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gecko-dev/widget/windows/TSFTextStore.cpp

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211 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <olectl.h>
#include <algorithm>
#include "mozilla/Logging.h"
#include "nscore.h"
#include "nsWindow.h"
#include "nsPrintfCString.h"
#include "WinUtils.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextEvents.h"
#include "mozilla/WindowsVersion.h"
#include "nsIXULRuntime.h"
#define INPUTSCOPE_INIT_GUID
#define TEXTATTRS_INIT_GUID
#include "TSFTextStore.h"
namespace mozilla {
namespace widget {
static const char* kPrefNameEnableTSF = "intl.tsf.enable";
static const char* kPrefNameForceEnableTSF = "intl.tsf.force_enable";
/**
* TSF related code should log its behavior even on release build especially
* in the interface methods.
*
* In interface methods, use LogLevel::Info.
* In internal methods, use LogLevel::Debug for logging normal behavior.
* For logging error, use LogLevel::Error.
*
* When an instance method is called, start with following text:
* "TSF: 0x%p TSFFoo::Bar(", the 0x%p should be the "this" of the nsFoo.
* after that, start with:
* "TSF: 0x%p TSFFoo::Bar("
* In an internal method, start with following text:
* "TSF: 0x%p TSFFoo::Bar("
* When a static method is called, start with following text:
* "TSF: TSFFoo::Bar("
*/
PRLogModuleInfo* sTextStoreLog = nullptr;
static const char*
GetBoolName(bool aBool)
{
return aBool ? "true" : "false";
}
static void
HandleSeparator(nsCString& aDesc)
{
if (!aDesc.IsEmpty()) {
aDesc.AppendLiteral(" | ");
}
}
static const nsCString
GetFindFlagName(DWORD aFindFlag)
{
nsAutoCString description;
if (!aFindFlag) {
description.AppendLiteral("no flags (0)");
return description;
}
if (aFindFlag & TS_ATTR_FIND_BACKWARDS) {
description.AppendLiteral("TS_ATTR_FIND_BACKWARDS");
}
if (aFindFlag & TS_ATTR_FIND_WANT_OFFSET) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_OFFSET");
}
if (aFindFlag & TS_ATTR_FIND_UPDATESTART) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_UPDATESTART");
}
if (aFindFlag & TS_ATTR_FIND_WANT_VALUE) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_VALUE");
}
if (aFindFlag & TS_ATTR_FIND_WANT_END) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_END");
}
if (aFindFlag & TS_ATTR_FIND_HIDDEN) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_HIDDEN");
}
if (description.IsEmpty()) {
description.AppendLiteral("Unknown (");
description.AppendInt(static_cast<uint32_t>(aFindFlag));
description.Append(')');
}
return description;
}
class GetACPFromPointFlagName : public nsAutoCString
{
public:
GetACPFromPointFlagName(DWORD aFlags)
{
if (!aFlags) {
AppendLiteral("no flags (0)");
return;
}
if (aFlags & GXFPF_ROUND_NEAREST) {
AppendLiteral("GXFPF_ROUND_NEAREST");
aFlags &= ~GXFPF_ROUND_NEAREST;
}
if (aFlags & GXFPF_NEAREST) {
HandleSeparator(*this);
AppendLiteral("GXFPF_NEAREST");
aFlags &= ~GXFPF_NEAREST;
}
if (aFlags) {
HandleSeparator(*this);
AppendLiteral("Unknown(");
AppendInt(static_cast<uint32_t>(aFlags));
Append(')');
}
}
virtual ~GetACPFromPointFlagName() {}
};
static const char*
GetIMEEnabledName(IMEState::Enabled aIMEEnabled)
{
switch (aIMEEnabled) {
case IMEState::DISABLED:
return "DISABLED";
case IMEState::ENABLED:
return "ENABLED";
case IMEState::PASSWORD:
return "PASSWORD";
case IMEState::PLUGIN:
return "PLUGIN";
default:
return "Invalid";
}
}
static const char*
GetFocusChangeName(InputContextAction::FocusChange aFocusChange)
{
switch (aFocusChange) {
case InputContextAction::FOCUS_NOT_CHANGED:
return "FOCUS_NOT_CHANGED";
case InputContextAction::GOT_FOCUS:
return "GOT_FOCUS";
case InputContextAction::LOST_FOCUS:
return "LOST_FOCUS";
case InputContextAction::MENU_GOT_PSEUDO_FOCUS:
return "MENU_GOT_PSEUDO_FOCUS";
case InputContextAction::MENU_LOST_PSEUDO_FOCUS:
return "MENU_LOST_PSEUDO_FOCUS";
default:
return "Unknown";
}
}
static nsCString
GetCLSIDNameStr(REFCLSID aCLSID)
{
LPOLESTR str = nullptr;
HRESULT hr = ::StringFromCLSID(aCLSID, &str);
if (FAILED(hr) || !str || !str[0]) {
return EmptyCString();
}
nsAutoCString result;
result = NS_ConvertUTF16toUTF8(str);
::CoTaskMemFree(str);
return result;
}
static nsCString
GetGUIDNameStr(REFGUID aGUID)
{
OLECHAR str[40];
int len = ::StringFromGUID2(aGUID, str, ArrayLength(str));
if (!len || !str[0]) {
return EmptyCString();
}
return NS_ConvertUTF16toUTF8(str);
}
static nsCString
GetGUIDNameStrWithTable(REFGUID aGUID)
{
#define RETURN_GUID_NAME(aNamedGUID) \
if (IsEqualGUID(aGUID, aNamedGUID)) { \
return NS_LITERAL_CSTRING(#aNamedGUID); \
}
RETURN_GUID_NAME(GUID_PROP_INPUTSCOPE)
RETURN_GUID_NAME(TSATTRID_OTHERS)
RETURN_GUID_NAME(TSATTRID_Font)
RETURN_GUID_NAME(TSATTRID_Font_FaceName)
RETURN_GUID_NAME(TSATTRID_Font_SizePts)
RETURN_GUID_NAME(TSATTRID_Font_Style)
RETURN_GUID_NAME(TSATTRID_Font_Style_Bold)
RETURN_GUID_NAME(TSATTRID_Font_Style_Italic)
RETURN_GUID_NAME(TSATTRID_Font_Style_SmallCaps)
RETURN_GUID_NAME(TSATTRID_Font_Style_Capitalize)
RETURN_GUID_NAME(TSATTRID_Font_Style_Uppercase)
RETURN_GUID_NAME(TSATTRID_Font_Style_Lowercase)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_LasVegasLights)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_BlinkingBackground)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_SparkleText)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_MarchingBlackAnts)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_MarchingRedAnts)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_Shimmer)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_WipeDown)
RETURN_GUID_NAME(TSATTRID_Font_Style_Animation_WipeRight)
RETURN_GUID_NAME(TSATTRID_Font_Style_Emboss)
RETURN_GUID_NAME(TSATTRID_Font_Style_Engrave)
RETURN_GUID_NAME(TSATTRID_Font_Style_Hidden)
RETURN_GUID_NAME(TSATTRID_Font_Style_Kerning)
RETURN_GUID_NAME(TSATTRID_Font_Style_Outlined)
RETURN_GUID_NAME(TSATTRID_Font_Style_Position)
RETURN_GUID_NAME(TSATTRID_Font_Style_Protected)
RETURN_GUID_NAME(TSATTRID_Font_Style_Shadow)
RETURN_GUID_NAME(TSATTRID_Font_Style_Spacing)
RETURN_GUID_NAME(TSATTRID_Font_Style_Weight)
RETURN_GUID_NAME(TSATTRID_Font_Style_Height)
RETURN_GUID_NAME(TSATTRID_Font_Style_Underline)
RETURN_GUID_NAME(TSATTRID_Font_Style_Underline_Single)
RETURN_GUID_NAME(TSATTRID_Font_Style_Underline_Double)
RETURN_GUID_NAME(TSATTRID_Font_Style_Strikethrough)
RETURN_GUID_NAME(TSATTRID_Font_Style_Strikethrough_Single)
RETURN_GUID_NAME(TSATTRID_Font_Style_Strikethrough_Double)
RETURN_GUID_NAME(TSATTRID_Font_Style_Overline)
RETURN_GUID_NAME(TSATTRID_Font_Style_Overline_Single)
RETURN_GUID_NAME(TSATTRID_Font_Style_Overline_Double)
RETURN_GUID_NAME(TSATTRID_Font_Style_Blink)
RETURN_GUID_NAME(TSATTRID_Font_Style_Subscript)
RETURN_GUID_NAME(TSATTRID_Font_Style_Superscript)
RETURN_GUID_NAME(TSATTRID_Font_Style_Color)
RETURN_GUID_NAME(TSATTRID_Font_Style_BackgroundColor)
RETURN_GUID_NAME(TSATTRID_Text)
RETURN_GUID_NAME(TSATTRID_Text_VerticalWriting)
RETURN_GUID_NAME(TSATTRID_Text_RightToLeft)
RETURN_GUID_NAME(TSATTRID_Text_Orientation)
RETURN_GUID_NAME(TSATTRID_Text_Language)
RETURN_GUID_NAME(TSATTRID_Text_ReadOnly)
RETURN_GUID_NAME(TSATTRID_Text_EmbeddedObject)
RETURN_GUID_NAME(TSATTRID_Text_Alignment)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Left)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Right)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Center)
RETURN_GUID_NAME(TSATTRID_Text_Alignment_Justify)
RETURN_GUID_NAME(TSATTRID_Text_Link)
RETURN_GUID_NAME(TSATTRID_Text_Hyphenation)
RETURN_GUID_NAME(TSATTRID_Text_Para)
RETURN_GUID_NAME(TSATTRID_Text_Para_FirstLineIndent)
RETURN_GUID_NAME(TSATTRID_Text_Para_LeftIndent)
RETURN_GUID_NAME(TSATTRID_Text_Para_RightIndent)
RETURN_GUID_NAME(TSATTRID_Text_Para_SpaceAfter)
RETURN_GUID_NAME(TSATTRID_Text_Para_SpaceBefore)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Single)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_OnePtFive)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Double)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_AtLeast)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Exactly)
RETURN_GUID_NAME(TSATTRID_Text_Para_LineSpacing_Multiple)
RETURN_GUID_NAME(TSATTRID_List)
RETURN_GUID_NAME(TSATTRID_List_LevelIndel)
RETURN_GUID_NAME(TSATTRID_List_Type)
RETURN_GUID_NAME(TSATTRID_List_Type_Bullet)
RETURN_GUID_NAME(TSATTRID_List_Type_Arabic)
RETURN_GUID_NAME(TSATTRID_List_Type_LowerLetter)
RETURN_GUID_NAME(TSATTRID_List_Type_UpperLetter)
RETURN_GUID_NAME(TSATTRID_List_Type_LowerRoman)
RETURN_GUID_NAME(TSATTRID_List_Type_UpperRoman)
RETURN_GUID_NAME(TSATTRID_App)
RETURN_GUID_NAME(TSATTRID_App_IncorrectSpelling)
RETURN_GUID_NAME(TSATTRID_App_IncorrectGrammar)
#undef RETURN_GUID_NAME
return GetGUIDNameStr(aGUID);
}
static nsCString
GetRIIDNameStr(REFIID aRIID)
{
LPOLESTR str = nullptr;
HRESULT hr = ::StringFromIID(aRIID, &str);
if (FAILED(hr) || !str || !str[0]) {
return EmptyCString();
}
nsAutoString key(L"Interface\\");
key += str;
nsAutoCString result;
wchar_t buf[256];
if (WinUtils::GetRegistryKey(HKEY_CLASSES_ROOT, key.get(), nullptr,
buf, sizeof(buf))) {
result = NS_ConvertUTF16toUTF8(buf);
} else {
result = NS_ConvertUTF16toUTF8(str);
}
::CoTaskMemFree(str);
return result;
}
static const char*
GetCommonReturnValueName(HRESULT aResult)
{
switch (aResult) {
case S_OK:
return "S_OK";
case E_ABORT:
return "E_ABORT";
case E_ACCESSDENIED:
return "E_ACCESSDENIED";
case E_FAIL:
return "E_FAIL";
case E_HANDLE:
return "E_HANDLE";
case E_INVALIDARG:
return "E_INVALIDARG";
case E_NOINTERFACE:
return "E_NOINTERFACE";
case E_NOTIMPL:
return "E_NOTIMPL";
case E_OUTOFMEMORY:
return "E_OUTOFMEMORY";
case E_POINTER:
return "E_POINTER";
case E_UNEXPECTED:
return "E_UNEXPECTED";
default:
return SUCCEEDED(aResult) ? "Succeeded" : "Failed";
}
}
static const char*
GetTextStoreReturnValueName(HRESULT aResult)
{
switch (aResult) {
case TS_E_FORMAT:
return "TS_E_FORMAT";
case TS_E_INVALIDPOINT:
return "TS_E_INVALIDPOINT";
case TS_E_INVALIDPOS:
return "TS_E_INVALIDPOS";
case TS_E_NOINTERFACE:
return "TS_E_NOINTERFACE";
case TS_E_NOLAYOUT:
return "TS_E_NOLAYOUT";
case TS_E_NOLOCK:
return "TS_E_NOLOCK";
case TS_E_NOOBJECT:
return "TS_E_NOOBJECT";
case TS_E_NOSELECTION:
return "TS_E_NOSELECTION";
case TS_E_NOSERVICE:
return "TS_E_NOSERVICE";
case TS_E_READONLY:
return "TS_E_READONLY";
case TS_E_SYNCHRONOUS:
return "TS_E_SYNCHRONOUS";
case TS_S_ASYNC:
return "TS_S_ASYNC";
default:
return GetCommonReturnValueName(aResult);
}
}
static const nsCString
GetSinkMaskNameStr(DWORD aSinkMask)
{
nsAutoCString description;
if (aSinkMask & TS_AS_TEXT_CHANGE) {
description.AppendLiteral("TS_AS_TEXT_CHANGE");
}
if (aSinkMask & TS_AS_SEL_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_SEL_CHANGE");
}
if (aSinkMask & TS_AS_LAYOUT_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_LAYOUT_CHANGE");
}
if (aSinkMask & TS_AS_ATTR_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_ATTR_CHANGE");
}
if (aSinkMask & TS_AS_STATUS_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_STATUS_CHANGE");
}
if (description.IsEmpty()) {
description.AppendLiteral("not-specified");
}
return description;
}
static const char*
GetActiveSelEndName(TsActiveSelEnd aSelEnd)
{
return aSelEnd == TS_AE_NONE ? "TS_AE_NONE" :
aSelEnd == TS_AE_START ? "TS_AE_START" :
aSelEnd == TS_AE_END ? "TS_AE_END" : "Unknown";
}
static const nsCString
GetLockFlagNameStr(DWORD aLockFlags)
{
nsAutoCString description;
if ((aLockFlags & TS_LF_READWRITE) == TS_LF_READWRITE) {
description.AppendLiteral("TS_LF_READWRITE");
} else if (aLockFlags & TS_LF_READ) {
description.AppendLiteral("TS_LF_READ");
}
if (aLockFlags & TS_LF_SYNC) {
if (!description.IsEmpty()) {
description.AppendLiteral(" | ");
}
description.AppendLiteral("TS_LF_SYNC");
}
if (description.IsEmpty()) {
description.AppendLiteral("not-specified");
}
return description;
}
static const char*
GetTextRunTypeName(TsRunType aRunType)
{
switch (aRunType) {
case TS_RT_PLAIN:
return "TS_RT_PLAIN";
case TS_RT_HIDDEN:
return "TS_RT_HIDDEN";
case TS_RT_OPAQUE:
return "TS_RT_OPAQUE";
default:
return "Unknown";
}
}
static nsCString
GetColorName(const TF_DA_COLOR& aColor)
{
switch (aColor.type) {
case TF_CT_NONE:
return NS_LITERAL_CSTRING("TF_CT_NONE");
case TF_CT_SYSCOLOR:
return nsPrintfCString("TF_CT_SYSCOLOR, nIndex:0x%08X",
static_cast<int32_t>(aColor.nIndex));
case TF_CT_COLORREF:
return nsPrintfCString("TF_CT_COLORREF, cr:0x%08X",
static_cast<int32_t>(aColor.cr));
break;
default:
return nsPrintfCString("Unknown(%08X)",
static_cast<int32_t>(aColor.type));
}
}
static nsCString
GetLineStyleName(TF_DA_LINESTYLE aLineStyle)
{
switch (aLineStyle) {
case TF_LS_NONE:
return NS_LITERAL_CSTRING("TF_LS_NONE");
case TF_LS_SOLID:
return NS_LITERAL_CSTRING("TF_LS_SOLID");
case TF_LS_DOT:
return NS_LITERAL_CSTRING("TF_LS_DOT");
case TF_LS_DASH:
return NS_LITERAL_CSTRING("TF_LS_DASH");
case TF_LS_SQUIGGLE:
return NS_LITERAL_CSTRING("TF_LS_SQUIGGLE");
default: {
return nsPrintfCString("Unknown(%08X)", static_cast<int32_t>(aLineStyle));
}
}
}
static nsCString
GetClauseAttrName(TF_DA_ATTR_INFO aAttr)
{
switch (aAttr) {
case TF_ATTR_INPUT:
return NS_LITERAL_CSTRING("TF_ATTR_INPUT");
case TF_ATTR_TARGET_CONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_TARGET_CONVERTED");
case TF_ATTR_CONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_CONVERTED");
case TF_ATTR_TARGET_NOTCONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_TARGET_NOTCONVERTED");
case TF_ATTR_INPUT_ERROR:
return NS_LITERAL_CSTRING("TF_ATTR_INPUT_ERROR");
case TF_ATTR_FIXEDCONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_FIXEDCONVERTED");
case TF_ATTR_OTHER:
return NS_LITERAL_CSTRING("TF_ATTR_OTHER");
default: {
return nsPrintfCString("Unknown(%08X)", static_cast<int32_t>(aAttr));
}
}
}
static nsCString
GetDisplayAttrStr(const TF_DISPLAYATTRIBUTE& aDispAttr)
{
nsAutoCString str;
str = "crText:{ ";
str += GetColorName(aDispAttr.crText);
str += " }, crBk:{ ";
str += GetColorName(aDispAttr.crBk);
str += " }, lsStyle: ";
str += GetLineStyleName(aDispAttr.lsStyle);
str += ", fBoldLine: ";
str += GetBoolName(aDispAttr.fBoldLine);
str += ", crLine:{ ";
str += GetColorName(aDispAttr.crLine);
str += " }, bAttr: ";
str += GetClauseAttrName(aDispAttr.bAttr);
return str;
}
static const char*
GetMouseButtonName(int16_t aButton)
{
switch (aButton) {
case WidgetMouseEventBase::eLeftButton:
return "LeftButton";
case WidgetMouseEventBase::eMiddleButton:
return "MiddleButton";
case WidgetMouseEventBase::eRightButton:
return "RightButton";
default:
return "UnknownButton";
}
}
#define ADD_SEPARATOR_IF_NECESSARY(aStr) \
if (!aStr.IsEmpty()) { \
aStr.AppendLiteral(", "); \
}
static nsCString
GetMouseButtonsName(int16_t aButtons)
{
if (!aButtons) {
return NS_LITERAL_CSTRING("no buttons");
}
nsAutoCString names;
if (aButtons & WidgetMouseEventBase::eLeftButtonFlag) {
names = "LeftButton";
}
if (aButtons & WidgetMouseEventBase::eRightButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "RightButton";
}
if (aButtons & WidgetMouseEventBase::eMiddleButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "MiddleButton";
}
if (aButtons & WidgetMouseEventBase::e4thButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "4thButton";
}
if (aButtons & WidgetMouseEventBase::e5thButtonFlag) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += "5thButton";
}
return names;
}
static nsCString
GetModifiersName(Modifiers aModifiers)
{
if (aModifiers == MODIFIER_NONE) {
return NS_LITERAL_CSTRING("no modifiers");
}
nsAutoCString names;
if (aModifiers & MODIFIER_ALT) {
names = NS_DOM_KEYNAME_ALT;
}
if (aModifiers & MODIFIER_ALTGRAPH) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_ALTGRAPH;
}
if (aModifiers & MODIFIER_CAPSLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_CAPSLOCK;
}
if (aModifiers & MODIFIER_CONTROL) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_CONTROL;
}
if (aModifiers & MODIFIER_FN) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_FN;
}
if (aModifiers & MODIFIER_FNLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_FNLOCK;
}
if (aModifiers & MODIFIER_META) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_META;
}
if (aModifiers & MODIFIER_NUMLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_NUMLOCK;
}
if (aModifiers & MODIFIER_SCROLLLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SCROLLLOCK;
}
if (aModifiers & MODIFIER_SHIFT) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SHIFT;
}
if (aModifiers & MODIFIER_SYMBOL) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SYMBOL;
}
if (aModifiers & MODIFIER_SYMBOLLOCK) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_SYMBOLLOCK;
}
if (aModifiers & MODIFIER_OS) {
ADD_SEPARATOR_IF_NECESSARY(names);
names += NS_DOM_KEYNAME_OS;
}
return names;
}
class GetWritingModeName : public nsAutoCString
{
public:
GetWritingModeName(const WritingMode& aWritingMode)
{
if (!aWritingMode.IsVertical()) {
AssignLiteral("Horizontal");
return;
}
if (aWritingMode.IsVerticalLR()) {
AssignLiteral("Vertical (LR)");
return;
}
AssignLiteral("Vertical (RL)");
}
virtual ~GetWritingModeName() {}
};
/******************************************************************/
/* InputScopeImpl */
/******************************************************************/
class InputScopeImpl final : public ITfInputScope
{
~InputScopeImpl() {}
public:
InputScopeImpl(const nsTArray<InputScope>& aList)
: mInputScopes(aList)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p InputScopeImpl()", this));
}
NS_INLINE_DECL_IUNKNOWN_REFCOUNTING(InputScopeImpl)
STDMETHODIMP QueryInterface(REFIID riid, void** ppv)
{
*ppv=nullptr;
if ( (IID_IUnknown == riid) || (IID_ITfInputScope == riid) ) {
*ppv = static_cast<ITfInputScope*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP GetInputScopes(InputScope** pprgInputScopes, UINT* pcCount)
{
uint32_t count = (mInputScopes.IsEmpty() ? 1 : mInputScopes.Length());
InputScope* pScope = (InputScope*) CoTaskMemAlloc(sizeof(InputScope) * count);
NS_ENSURE_TRUE(pScope, E_OUTOFMEMORY);
if (mInputScopes.IsEmpty()) {
*pScope = IS_DEFAULT;
*pcCount = 1;
*pprgInputScopes = pScope;
return S_OK;
}
*pcCount = 0;
for (uint32_t idx = 0; idx < count; idx++) {
*(pScope + idx) = mInputScopes[idx];
(*pcCount)++;
}
*pprgInputScopes = pScope;
return S_OK;
}
STDMETHODIMP GetPhrase(BSTR **ppbstrPhrases, UINT* pcCount)
{
return E_NOTIMPL;
}
STDMETHODIMP GetRegularExpression(BSTR* pbstrRegExp) { return E_NOTIMPL; }
STDMETHODIMP GetSRGS(BSTR* pbstrSRGS) { return E_NOTIMPL; }
STDMETHODIMP GetXML(BSTR* pbstrXML) { return E_NOTIMPL; }
private:
nsTArray<InputScope> mInputScopes;
};
/******************************************************************/
/* TSFStaticSink */
/******************************************************************/
class TSFStaticSink final : public ITfActiveLanguageProfileNotifySink
, public ITfInputProcessorProfileActivationSink
{
public:
static TSFStaticSink* GetInstance()
{
if (!sInstance) {
sInstance = new TSFStaticSink();
}
return sInstance;
}
static void Shutdown()
{
if (sInstance) {
sInstance->Destroy();
sInstance = nullptr;
}
}
bool Init(ITfThreadMgr* aThreadMgr,
ITfInputProcessorProfiles* aInputProcessorProfiles);
STDMETHODIMP QueryInterface(REFIID riid, void** ppv)
{
*ppv = nullptr;
if (IID_IUnknown == riid ||
IID_ITfActiveLanguageProfileNotifySink == riid) {
*ppv = static_cast<ITfActiveLanguageProfileNotifySink*>(this);
} else if (IID_ITfInputProcessorProfileActivationSink == riid) {
*ppv = static_cast<ITfInputProcessorProfileActivationSink*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
NS_INLINE_DECL_IUNKNOWN_REFCOUNTING(TSFStaticSink)
const nsString& GetActiveTIPKeyboardDescription() const
{
return mActiveTIPKeyboardDescription;
}
static bool IsIMM_IME()
{
if (!sInstance || !sInstance->EnsureInitActiveTIPKeyboard()) {
return IsIMM_IME(::GetKeyboardLayout(0));
}
return sInstance->mIsIMM_IME;
}
static bool IsIMM_IME(HKL aHKL)
{
return (::ImmGetIMEFileNameW(aHKL, nullptr, 0) > 0);
}
bool EnsureInitActiveTIPKeyboard();
/****************************************************************************
* Japanese TIP
****************************************************************************/
// Note that TIP name may depend on the language of the environment.
// For example, some TIP may use localized name for its target language
// environment but English name for the others.
bool IsMSJapaneseIMEActive() const
{
// FYI: Name of MS-IME for Japanese is same as MS-IME for Korean.
// Therefore, we need to check the langid too.
return mLangID == 0x411 &&
(mActiveTIPKeyboardDescription.EqualsLiteral("Microsoft IME") ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("Microsoft \xC785\xB825\xAE30")) ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8F6F\x8F93\x5165\x6CD5")) ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8EDF\x8F38\x5165\x6CD5")));
}
bool IsMSOfficeJapaneseIME2010Active() const
{
// {54EDCC94-1524-4BB1-9FB7-7BABE4F4CA64}
static const GUID kGUID = {
0x54EDCC94, 0x1524, 0x4BB1,
{ 0x9F, 0xB7, 0x7B, 0xAB, 0xE4, 0xF4, 0xCA, 0x64 }
};
return mActiveTIPGUID == kGUID;
}
bool IsATOKActive() const
{
// FYI: Name of ATOK includes the release year like "ATOK 2015".
return StringBeginsWith(mActiveTIPKeyboardDescription,
NS_LITERAL_STRING("ATOK "));
}
/****************************************************************************
* Traditional Chinese TIP
****************************************************************************/
bool IsMSChangJieActive() const
{
return mActiveTIPKeyboardDescription.EqualsLiteral("Microsoft ChangJie") ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8F6F\x4ED3\x9889")) ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8EDF\x5009\x9821"));
}
bool IsMSQuickQuickActive() const
{
return mActiveTIPKeyboardDescription.EqualsLiteral("Microsoft Quick") ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8F6F\x901F\x6210")) ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8EDF\x901F\x6210"));
}
bool IsFreeChangJieActive() const
{
// FYI: The TIP name is misspelled...
return mActiveTIPKeyboardDescription.EqualsLiteral("Free CangJie IME 10");
}
bool IsEasyChangjeiActive() const
{
return
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING(
"\x4E2D\x6587 (\x7E41\x9AD4) - \x6613\x9821\x8F38\x5165\x6CD5"));
}
/****************************************************************************
* Simplified Chinese TIP
****************************************************************************/
bool IsMSPinyinActive() const
{
return mActiveTIPKeyboardDescription.EqualsLiteral("Microsoft Pinyin") ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8F6F\x62FC\x97F3")) ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8EDF\x62FC\x97F3"));
}
bool IsMSWubiActive() const
{
return mActiveTIPKeyboardDescription.EqualsLiteral("Microsoft Wubi") ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8F6F\x4E94\x7B14")) ||
mActiveTIPKeyboardDescription.Equals(
NS_LITERAL_STRING("\x5FAE\x8EDF\x4E94\x7B46"));
}
public: // ITfActiveLanguageProfileNotifySink
STDMETHODIMP OnActivated(REFCLSID clsid, REFGUID guidProfile,
BOOL fActivated);
public: // ITfInputProcessorProfileActivationSink
STDMETHODIMP OnActivated(DWORD, LANGID, REFCLSID, REFGUID, REFGUID,
HKL, DWORD);
private:
TSFStaticSink();
virtual ~TSFStaticSink() {}
void Destroy();
void GetTIPDescription(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile, nsAString& aDescription);
bool IsTIPCategoryKeyboard(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile);
// Cookie of installing ITfInputProcessorProfileActivationSink
DWORD mIPProfileCookie;
// Cookie of installing ITfActiveLanguageProfileNotifySink
DWORD mLangProfileCookie;
LANGID mLangID;
// True if current IME is implemented with IMM.
bool mIsIMM_IME;
// True if OnActivated() is already called
bool mOnActivatedCalled;
RefPtr<ITfThreadMgr> mThreadMgr;
RefPtr<ITfInputProcessorProfiles> mInputProcessorProfiles;
// Active TIP keyboard's description. If active language profile isn't TIP,
// i.e., IMM-IME or just a keyboard layout, this is empty.
nsString mActiveTIPKeyboardDescription;
// Active TIP's GUID
GUID mActiveTIPGUID;
static StaticRefPtr<TSFStaticSink> sInstance;
};
StaticRefPtr<TSFStaticSink> TSFStaticSink::sInstance;
TSFStaticSink::TSFStaticSink()
: mIPProfileCookie(TF_INVALID_COOKIE)
, mLangProfileCookie(TF_INVALID_COOKIE)
, mLangID(0)
, mIsIMM_IME(false)
, mOnActivatedCalled(false)
, mActiveTIPGUID(GUID_NULL)
{
}
bool
TSFStaticSink::Init(ITfThreadMgr* aThreadMgr,
ITfInputProcessorProfiles* aInputProcessorProfiles)
{
MOZ_ASSERT(!mThreadMgr && !mInputProcessorProfiles,
"TSFStaticSink::Init() must be called only once");
mThreadMgr = aThreadMgr;
mInputProcessorProfiles = aInputProcessorProfiles;
RefPtr<ITfSource> source;
HRESULT hr =
mThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::Init() FAILED to get ITfSource "
"instance (0x%08X)", this, hr));
return false;
}
// On Vista or later, Windows let us know activate IME changed only with
// ITfInputProcessorProfileActivationSink. However, it's not available on XP.
// On XP, ITfActiveLanguageProfileNotifySink is available for it.
// NOTE: Each OnActivated() should be called when TSF becomes available.
if (IsVistaOrLater()) {
hr = source->AdviseSink(IID_ITfInputProcessorProfileActivationSink,
static_cast<ITfInputProcessorProfileActivationSink*>(this),
&mIPProfileCookie);
if (FAILED(hr) || mIPProfileCookie == TF_INVALID_COOKIE) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::Init() FAILED to install "
"ITfInputProcessorProfileActivationSink (0x%08X)", this, hr));
return false;
}
} else {
hr = source->AdviseSink(IID_ITfActiveLanguageProfileNotifySink,
static_cast<ITfActiveLanguageProfileNotifySink*>(this),
&mLangProfileCookie);
if (FAILED(hr) || mLangProfileCookie == TF_INVALID_COOKIE) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::Init() FAILED to install "
"ITfActiveLanguageProfileNotifySink (0x%08X)", this, hr));
return false;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::Init(), "
"mIPProfileCookie=0x%08X, mLangProfileCookie=0x%08X",
this, mIPProfileCookie, mLangProfileCookie));
return true;
}
void
TSFStaticSink::Destroy()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::Shutdown() "
"mIPProfileCookie=0x%08X, mLangProfileCookie=0x%08X",
this, mIPProfileCookie, mLangProfileCookie));
if (mIPProfileCookie != TF_INVALID_COOKIE) {
RefPtr<ITfSource> source;
HRESULT hr =
mThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::Shutdown() FAILED to get "
"ITfSource instance (0x%08X)", this, hr));
} else {
hr = source->UnadviseSink(mIPProfileCookie);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::Shutdown() FAILED to uninstall "
"ITfInputProcessorProfileActivationSink (0x%08X)",
this, hr));
}
}
}
if (mLangProfileCookie != TF_INVALID_COOKIE) {
RefPtr<ITfSource> source;
HRESULT hr =
mThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::Shutdown() FAILED to get "
"ITfSource instance (0x%08X)", this, hr));
} else {
hr = source->UnadviseSink(mLangProfileCookie);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::Shutdown() FAILED to uninstall "
"ITfActiveLanguageProfileNotifySink (0x%08X)",
this, hr));
}
}
}
mThreadMgr = nullptr;
mInputProcessorProfiles = nullptr;
}
STDMETHODIMP
TSFStaticSink::OnActivated(REFCLSID clsid, REFGUID guidProfile,
BOOL fActivated)
{
// NOTE: This is installed only on XP or Server 2003.
if (fActivated) {
// TODO: We should check if the profile's category is keyboard or not.
mOnActivatedCalled = true;
mActiveTIPGUID = guidProfile;
mIsIMM_IME = IsIMM_IME(::GetKeyboardLayout(0));
HRESULT hr = mInputProcessorProfiles->GetCurrentLanguage(&mLangID);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFStaticSink::OnActivated() FAILED due to "
"GetCurrentLanguage() failure, hr=0x%08X", hr));
} else if (IsTIPCategoryKeyboard(clsid, mLangID, guidProfile)) {
GetTIPDescription(clsid, mLangID, guidProfile,
mActiveTIPKeyboardDescription);
} else if (clsid == CLSID_NULL || guidProfile == GUID_NULL) {
// Perhaps, this case is that keyboard layout without TIP is activated.
mActiveTIPKeyboardDescription.Truncate();
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::OnActivated(rclsid=%s, guidProfile=%s, "
"fActivated=%s), mIsIMM_IME=%s, mActiveTIPDescription=\"%s\"",
this, GetCLSIDNameStr(clsid).get(),
GetGUIDNameStr(guidProfile).get(), GetBoolName(fActivated),
GetBoolName(mIsIMM_IME),
NS_ConvertUTF16toUTF8(mActiveTIPKeyboardDescription).get()));
return S_OK;
}
STDMETHODIMP
TSFStaticSink::OnActivated(DWORD dwProfileType,
LANGID langid,
REFCLSID rclsid,
REFGUID catid,
REFGUID guidProfile,
HKL hkl,
DWORD dwFlags)
{
// NOTE: This is installed only on Vista or later. However, this may be
// called by EnsureInitActiveLanguageProfile() even on XP or Server
// 2003.
if ((dwFlags & TF_IPSINK_FLAG_ACTIVE) &&
(dwProfileType == TF_PROFILETYPE_KEYBOARDLAYOUT ||
catid == GUID_TFCAT_TIP_KEYBOARD)) {
mOnActivatedCalled = true;
mActiveTIPGUID = guidProfile;
mLangID = langid;
mIsIMM_IME = IsIMM_IME(hkl);
GetTIPDescription(rclsid, mLangID, guidProfile,
mActiveTIPKeyboardDescription);
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::OnActivated(dwProfileType=%s (0x%08X), "
"langid=0x%08X, rclsid=%s, catid=%s, guidProfile=%s, hkl=0x%08X, "
"dwFlags=0x%08X (TF_IPSINK_FLAG_ACTIVE: %s)), mIsIMM_IME=%s, "
"mActiveTIPDescription=\"%s\"",
this, dwProfileType == TF_PROFILETYPE_INPUTPROCESSOR ?
"TF_PROFILETYPE_INPUTPROCESSOR" :
dwProfileType == TF_PROFILETYPE_KEYBOARDLAYOUT ?
"TF_PROFILETYPE_KEYBOARDLAYOUT" : "Unknown", dwProfileType,
langid, GetCLSIDNameStr(rclsid).get(), GetGUIDNameStr(catid).get(),
GetGUIDNameStr(guidProfile).get(), hkl, dwFlags,
GetBoolName(dwFlags & TF_IPSINK_FLAG_ACTIVE),
GetBoolName(mIsIMM_IME),
NS_ConvertUTF16toUTF8(mActiveTIPKeyboardDescription).get()));
return S_OK;
}
bool
TSFStaticSink::EnsureInitActiveTIPKeyboard()
{
if (mOnActivatedCalled) {
return true;
}
if (IsVistaOrLater()) {
RefPtr<ITfInputProcessorProfileMgr> profileMgr;
HRESULT hr =
mInputProcessorProfiles->QueryInterface(IID_ITfInputProcessorProfileMgr,
getter_AddRefs(profileMgr));
if (FAILED(hr) || !profileMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get input processor profile manager, hr=0x%08X", this, hr));
return false;
}
TF_INPUTPROCESSORPROFILE profile;
hr = profileMgr->GetActiveProfile(GUID_TFCAT_TIP_KEYBOARD, &profile);
if (hr == S_FALSE) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get active keyboard layout profile due to no active profile, "
"hr=0x%08X", this, hr));
// XXX Should we call OnActivated() with arguments like non-TIP in this
// case?
return false;
}
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get active TIP keyboard, hr=0x%08X", this, hr));
return false;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), "
"calling OnActivated() manually...", this));
OnActivated(profile.dwProfileType, profile.langid, profile.clsid,
profile.catid, profile.guidProfile, ::GetKeyboardLayout(0),
TF_IPSINK_FLAG_ACTIVE);
return true;
}
LANGID langID;
HRESULT hr = mInputProcessorProfiles->GetCurrentLanguage(&langID);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get current language ID, hr=0x%08X", this, hr));
return false;
}
RefPtr<IEnumTfLanguageProfiles> enumLangProfiles;
hr = mInputProcessorProfiles->EnumLanguageProfiles(langID,
getter_AddRefs(enumLangProfiles));
if (FAILED(hr) || !enumLangProfiles) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), FAILED "
"to get language profiles enumerator, hr=0x%08X", this, hr));
return false;
}
TF_LANGUAGEPROFILE profile;
ULONG fetch = 0;
while (SUCCEEDED(enumLangProfiles->Next(1, &profile, &fetch)) && fetch) {
if (!profile.fActive || profile.catid != GUID_TFCAT_TIP_KEYBOARD) {
continue;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), "
"calling OnActivated() manually...", this));
bool isTIP = profile.guidProfile != GUID_NULL;
OnActivated(isTIP ? TF_PROFILETYPE_INPUTPROCESSOR :
TF_PROFILETYPE_KEYBOARDLAYOUT,
profile.langid, profile.clsid, profile.catid,
profile.guidProfile, ::GetKeyboardLayout(0),
TF_IPSINK_FLAG_ACTIVE);
return true;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFStaticSink::EnsureInitActiveLanguageProfile(), "
"calling OnActivated() without active TIP manually...", this));
OnActivated(TF_PROFILETYPE_KEYBOARDLAYOUT,
langID, CLSID_NULL, GUID_TFCAT_TIP_KEYBOARD,
GUID_NULL, ::GetKeyboardLayout(0),
TF_IPSINK_FLAG_ACTIVE);
return true;
}
void
TSFStaticSink::GetTIPDescription(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile, nsAString& aDescription)
{
aDescription.Truncate();
if (aTextService == CLSID_NULL || aProfile == GUID_NULL) {
return;
}
BSTR description = nullptr;
HRESULT hr =
mInputProcessorProfiles->GetLanguageProfileDescription(aTextService,
aLangID,
aProfile,
&description);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::InitActiveTIPDescription() FAILED "
"due to GetLanguageProfileDescription() failure, hr=0x%08X",
this, hr));
return;
}
if (description && description[0]) {
aDescription.Assign(description);
}
::SysFreeString(description);
}
bool
TSFStaticSink::IsTIPCategoryKeyboard(REFCLSID aTextService, LANGID aLangID,
REFGUID aProfile)
{
if (aTextService == CLSID_NULL || aProfile == GUID_NULL) {
return false;
}
RefPtr<IEnumTfLanguageProfiles> enumLangProfiles;
HRESULT hr =
mInputProcessorProfiles->EnumLanguageProfiles(aLangID,
getter_AddRefs(enumLangProfiles));
if (FAILED(hr) || !enumLangProfiles) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFStaticSink::IsTIPCategoryKeyboard(), FAILED "
"to get language profiles enumerator, hr=0x%08X", this, hr));
return false;
}
TF_LANGUAGEPROFILE profile;
ULONG fetch = 0;
while (SUCCEEDED(enumLangProfiles->Next(1, &profile, &fetch)) && fetch) {
// XXX We're not sure a profile is registered with two or more categories.
if (profile.clsid == aTextService &&
profile.guidProfile == aProfile &&
profile.catid == GUID_TFCAT_TIP_KEYBOARD) {
return true;
}
}
return false;
}
/******************************************************************/
/* TSFTextStore */
/******************************************************************/
StaticRefPtr<ITfThreadMgr> TSFTextStore::sThreadMgr;
StaticRefPtr<ITfMessagePump> TSFTextStore::sMessagePump;
StaticRefPtr<ITfKeystrokeMgr> TSFTextStore::sKeystrokeMgr;
StaticRefPtr<ITfDisplayAttributeMgr> TSFTextStore::sDisplayAttrMgr;
StaticRefPtr<ITfCategoryMgr> TSFTextStore::sCategoryMgr;
StaticRefPtr<ITfDocumentMgr> TSFTextStore::sDisabledDocumentMgr;
StaticRefPtr<ITfContext> TSFTextStore::sDisabledContext;
StaticRefPtr<ITfInputProcessorProfiles> TSFTextStore::sInputProcessorProfiles;
StaticRefPtr<TSFTextStore> TSFTextStore::sEnabledTextStore;
DWORD TSFTextStore::sClientId = 0;
bool TSFTextStore::sCreateNativeCaretForATOK = false;
bool TSFTextStore::sDoNotReturnNoLayoutErrorToMSSimplifiedTIP = false;
bool TSFTextStore::sDoNotReturnNoLayoutErrorToMSTraditionalTIP = false;
bool TSFTextStore::sDoNotReturnNoLayoutErrorToFreeChangJie = false;
bool TSFTextStore::sDoNotReturnNoLayoutErrorToEasyChangjei = false;
bool TSFTextStore::sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar = false;
bool TSFTextStore::sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret = false;
bool TSFTextStore::sHackQueryInsertForMSSimplifiedTIP = false;
bool TSFTextStore::sHackQueryInsertForMSTraditionalTIP = false;
#define TEXTSTORE_DEFAULT_VIEW (1)
TSFTextStore::TSFTextStore()
: mEditCookie(0)
, mSinkMask(0)
, mLock(0)
, mLockQueued(0)
, mLockedContent(mComposition, mSelection)
, mRequestedAttrValues(false)
, mIsRecordingActionsWithoutLock(false)
, mPendingOnSelectionChange(false)
, mHasReturnedNoLayoutError(false)
, mWaitingQueryLayout(false)
, mPendingDestroy(false)
, mDeferClearingLockedContent(false)
, mNativeCaretIsCreated(false)
, mDeferNotifyingTSF(false)
, mDeferCommittingComposition(false)
, mDeferCancellingComposition(false)
, mDestroyed(false)
{
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
mRequestedAttrs[i] = false;
}
// We hope that 5 or more actions don't occur at once.
mPendingActions.SetCapacity(5);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::TSFTextStore() SUCCEEDED", this));
}
TSFTextStore::~TSFTextStore()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore instance is destroyed", this));
}
bool
TSFTextStore::Init(nsWindowBase* aWidget)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::Init(aWidget=0x%p)",
this, aWidget));
TSFStaticSink::GetInstance()->EnsureInitActiveTIPKeyboard();
if (mDocumentMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::Init() FAILED due to already initialized",
this));
return false;
}
// Create document manager
HRESULT hr = sThreadMgr->CreateDocumentMgr(getter_AddRefs(mDocumentMgr));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::Init() FAILED to create DocumentMgr "
"(0x%08X)", this, hr));
return false;
}
mWidget = aWidget;
// Create context and add it to document manager
hr = mDocumentMgr->CreateContext(sClientId, 0,
static_cast<ITextStoreACP*>(this),
getter_AddRefs(mContext), &mEditCookie);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::Init() FAILED to create the context "
"(0x%08X)", this, hr));
mDocumentMgr = nullptr;
return false;
}
hr = mDocumentMgr->Push(mContext);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::Init() FAILED to push the context (0x%08X)",
this, hr));
// XXX Why don't we use NS_IF_RELEASE() here??
mContext = nullptr;
mDocumentMgr = nullptr;
return false;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::Init() succeeded: "
"mDocumentMgr=0x%p, mContext=0x%p, mEditCookie=0x%08X",
this, mDocumentMgr.get(), mContext.get(), mEditCookie));
return true;
}
bool
TSFTextStore::Destroy()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::Destroy(), mLock=%s, "
"mComposition.IsComposing()=%s",
this, GetLockFlagNameStr(mLock).get(),
GetBoolName(mComposition.IsComposing())));
mDestroyed = true;
if (mLock) {
mPendingDestroy = true;
return true;
}
// If there is composition, TSF keeps the composition even after the text
// store destroyed. So, we should clear the composition here.
if (mComposition.IsComposing()) {
NS_WARNING("Composition is still alive at destroying the text store");
CommitCompositionInternal(false);
}
MaybeDestroyNativeCaret();
if (mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::Destroy(), calling "
"ITextStoreACPSink::OnLayoutChange(TS_LC_DESTROY)...",
this));
mSink->OnLayoutChange(TS_LC_DESTROY, TEXTSTORE_DEFAULT_VIEW);
}
mLockedContent.Clear();
mSelection.MarkDirty();
mContext = nullptr;
if (mDocumentMgr) {
mDocumentMgr->Pop(TF_POPF_ALL);
mDocumentMgr = nullptr;
}
mSink = nullptr;
mWidget = nullptr;
if (!mMouseTrackers.IsEmpty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::Destroy(), removing a mouse tracker...",
this));
mMouseTrackers.Clear();
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::Destroy() succeeded", this));
return true;
}
STDMETHODIMP
TSFTextStore::QueryInterface(REFIID riid,
void** ppv)
{
*ppv=nullptr;
if ( (IID_IUnknown == riid) || (IID_ITextStoreACP == riid) ) {
*ppv = static_cast<ITextStoreACP*>(this);
} else if (IID_ITfContextOwnerCompositionSink == riid) {
*ppv = static_cast<ITfContextOwnerCompositionSink*>(this);
} else if (IID_ITfMouseTrackerACP == riid) {
*ppv = static_cast<ITfMouseTrackerACP*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::QueryInterface() FAILED, riid=%s",
this, GetRIIDNameStr(riid).get()));
return E_NOINTERFACE;
}
STDMETHODIMP
TSFTextStore::AdviseSink(REFIID riid,
IUnknown* punk,
DWORD dwMask)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::AdviseSink(riid=%s, punk=0x%p, dwMask=%s), "
"mSink=0x%p, mSinkMask=%s",
this, GetRIIDNameStr(riid).get(), punk, GetSinkMaskNameStr(dwMask).get(),
mSink.get(), GetSinkMaskNameStr(mSinkMask).get()));
if (!punk) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseSink() FAILED due to the null punk",
this));
return E_UNEXPECTED;
}
if (IID_ITextStoreACPSink != riid) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseSink() FAILED due to "
"unsupported interface", this));
return E_INVALIDARG; // means unsupported interface.
}
if (!mSink) {
// Install sink
punk->QueryInterface(IID_ITextStoreACPSink, getter_AddRefs(mSink));
if (!mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseSink() FAILED due to "
"punk not having the interface", this));
return E_UNEXPECTED;
}
} else {
// If sink is already installed we check to see if they are the same
// Get IUnknown from both sides for comparison
RefPtr<IUnknown> comparison1, comparison2;
punk->QueryInterface(IID_IUnknown, getter_AddRefs(comparison1));
mSink->QueryInterface(IID_IUnknown, getter_AddRefs(comparison2));
if (comparison1 != comparison2) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseSink() FAILED due to "
"the sink being different from the stored sink", this));
return CONNECT_E_ADVISELIMIT;
}
}
// Update mask either for a new sink or an existing sink
mSinkMask = dwMask;
return S_OK;
}
STDMETHODIMP
TSFTextStore::UnadviseSink(IUnknown* punk)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::UnadviseSink(punk=0x%p), mSink=0x%p",
this, punk, mSink.get()));
if (!punk) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::UnadviseSink() FAILED due to the null punk",
this));
return E_INVALIDARG;
}
if (!mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::UnadviseSink() FAILED due to "
"any sink not stored", this));
return CONNECT_E_NOCONNECTION;
}
// Get IUnknown from both sides for comparison
RefPtr<IUnknown> comparison1, comparison2;
punk->QueryInterface(IID_IUnknown, getter_AddRefs(comparison1));
mSink->QueryInterface(IID_IUnknown, getter_AddRefs(comparison2));
// Unadvise only if sinks are the same
if (comparison1 != comparison2) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::UnadviseSink() FAILED due to "
"the sink being different from the stored sink", this));
return CONNECT_E_NOCONNECTION;
}
mSink = nullptr;
mSinkMask = 0;
return S_OK;
}
STDMETHODIMP
TSFTextStore::RequestLock(DWORD dwLockFlags,
HRESULT* phrSession)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestLock(dwLockFlags=%s, phrSession=0x%p), "
"mLock=%s, mDestroyed=%s", this, GetLockFlagNameStr(dwLockFlags).get(),
phrSession, GetLockFlagNameStr(mLock).get(), GetBoolName(mDestroyed)));
if (!mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RequestLock() FAILED due to "
"any sink not stored", this));
return E_FAIL;
}
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RequestLock() FAILED due to "
"being destroyed", this));
return E_FAIL;
}
if (!phrSession) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RequestLock() FAILED due to "
"null phrSession", this));
return E_INVALIDARG;
}
if (!mLock) {
// put on lock
mLock = dwLockFlags & (~TS_LF_SYNC);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p Locking (%s) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>",
this, GetLockFlagNameStr(mLock).get()));
// Don't release this instance during this lock because this is called by
// TSF but they don't grab us during this call.
RefPtr<TSFTextStore> kungFuDeathGrip(this);
*phrSession = mSink->OnLockGranted(mLock);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p Unlocked (%s) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<",
this, GetLockFlagNameStr(mLock).get()));
DidLockGranted();
while (mLockQueued) {
mLock = mLockQueued;
mLockQueued = 0;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p Locking for the request in the queue (%s) >>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>",
this, GetLockFlagNameStr(mLock).get()));
mSink->OnLockGranted(mLock);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p Unlocked (%s) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<",
this, GetLockFlagNameStr(mLock).get()));
DidLockGranted();
}
// The document is now completely unlocked.
mLock = 0;
MaybeFlushPendingNotifications();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestLock() succeeded: *phrSession=%s",
this, GetTextStoreReturnValueName(*phrSession)));
return S_OK;
}
// only time when reentrant lock is allowed is when caller holds a
// read-only lock and is requesting an async write lock
if (IsReadLocked() && !IsReadWriteLocked() && IsReadWriteLock(dwLockFlags) &&
!(dwLockFlags & TS_LF_SYNC)) {
*phrSession = TS_S_ASYNC;
mLockQueued = dwLockFlags & (~TS_LF_SYNC);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestLock() stores the request in the "
"queue, *phrSession=TS_S_ASYNC", this));
return S_OK;
}
// no more locks allowed
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestLock() didn't allow to lock, "
"*phrSession=TS_E_SYNCHRONOUS", this));
*phrSession = TS_E_SYNCHRONOUS;
return E_FAIL;
}
void
TSFTextStore::DidLockGranted()
{
if (IsReadWriteLocked()) {
// FreeCJ (TIP for Traditional Chinese) calls SetSelection() to set caret
// to the start of composition string and insert a full width space for
// a placeholder with a call of SetText(). After that, it calls
// OnUpdateComposition() without new range. Therefore, let's record the
// composition update information here.
CompleteLastActionIfStillIncomplete();
FlushPendingActions();
}
// If the widget has gone, we don't need to notify anything.
if (!mWidget || mWidget->Destroyed()) {
mPendingOnSelectionChange = false;
mHasReturnedNoLayoutError = false;
}
}
void
TSFTextStore::DispatchEvent(WidgetGUIEvent& aEvent)
{
if (NS_WARN_IF(!mWidget) || NS_WARN_IF(mWidget->Destroyed())) {
return;
}
// If the event isn't a query content event, the event may be handled
// asynchronously. So, we should put off to answer from GetTextExt() etc.
if (!aEvent.AsQueryContentEvent()) {
mDeferNotifyingTSF = true;
}
mWidget->DispatchWindowEvent(&aEvent);
}
void
TSFTextStore::FlushPendingActions()
{
if (!mWidget || mWidget->Destroyed()) {
mPendingActions.Clear();
mLockedContent.Clear();
mPendingOnSelectionChange = false;
mHasReturnedNoLayoutError = false;
return;
}
RefPtr<nsWindowBase> kungFuDeathGrip(mWidget);
for (uint32_t i = 0; i < mPendingActions.Length(); i++) {
PendingAction& action = mPendingActions[i];
switch (action.mType) {
case PendingAction::COMPOSITION_START: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions() "
"flushing COMPOSITION_START={ mSelectionStart=%d, "
"mSelectionLength=%d }",
this, action.mSelectionStart, action.mSelectionLength));
if (action.mAdjustSelection) {
// Select composition range so the new composition replaces the range
WidgetSelectionEvent selectionSet(true, eSetSelection, mWidget);
mWidget->InitEvent(selectionSet);
selectionSet.mOffset = static_cast<uint32_t>(action.mSelectionStart);
selectionSet.mLength = static_cast<uint32_t>(action.mSelectionLength);
selectionSet.mReversed = false;
DispatchEvent(selectionSet);
if (!selectionSet.mSucceeded) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::FlushPendingActions() "
"FAILED due to eSetSelection failure", this));
break;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions() "
"dispatching compositionstart event...", this));
WidgetCompositionEvent compositionStart(true, eCompositionStart,
mWidget);
mWidget->InitEvent(compositionStart);
// eCompositionStart always causes NOTIFY_IME_OF_COMPOSITION_UPDATE.
// Therefore, we should wait to clear the locked content until it's
// notified.
mDeferClearingLockedContent = true;
DispatchEvent(compositionStart);
if (!mWidget || mWidget->Destroyed()) {
break;
}
break;
}
case PendingAction::COMPOSITION_UPDATE: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions() "
"flushing COMPOSITION_UPDATE={ mData=\"%s\", "
"mRanges=0x%p, mRanges->Length()=%d }",
this, NS_ConvertUTF16toUTF8(action.mData).get(), action.mRanges.get(),
action.mRanges ? action.mRanges->Length() : 0));
if (!action.mRanges) {
NS_WARNING("How does this case occur?");
action.mRanges = new TextRangeArray();
}
// Adjust offsets in the ranges for XP linefeed character (only \n).
// XXX Following code is the safest approach. However, it wastes
// a little performance. For ensuring the clauses do not
// overlap each other, we should redesign TextRange later.
for (uint32_t i = 0; i < action.mRanges->Length(); ++i) {
TextRange& range = action.mRanges->ElementAt(i);
TextRange nativeRange = range;
if (nativeRange.mStartOffset > 0) {
nsAutoString preText(
Substring(action.mData, 0, nativeRange.mStartOffset));
preText.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
range.mStartOffset = preText.Length();
}
if (nativeRange.Length() == 0) {
range.mEndOffset = range.mStartOffset;
} else {
nsAutoString clause(
Substring(action.mData,
nativeRange.mStartOffset, nativeRange.Length()));
clause.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
range.mEndOffset = range.mStartOffset + clause.Length();
}
}
action.mData.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions(), "
"dispatching compositionchange event...", this));
WidgetCompositionEvent compositionChange(true, eCompositionChange,
mWidget);
mWidget->InitEvent(compositionChange);
compositionChange.mData = action.mData;
if (action.mRanges->IsEmpty()) {
TextRange wholeRange;
wholeRange.mStartOffset = 0;
wholeRange.mEndOffset = compositionChange.mData.Length();
wholeRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
action.mRanges->AppendElement(wholeRange);
}
compositionChange.mRanges = action.mRanges;
// When the eCompositionChange causes a DOM text event,
// the IME will be notified of NOTIFY_IME_OF_COMPOSITION_UPDATE. In
// such case, we should not clear the locked content until we notify
// the IME of the composition update.
if (compositionChange.CausesDOMTextEvent()) {
mDeferClearingLockedContent = true;
}
DispatchEvent(compositionChange);
// Be aware, the mWidget might already have been destroyed.
break;
}
case PendingAction::COMPOSITION_END: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions() "
"flushing COMPOSITION_END={ mData=\"%s\" }",
this, NS_ConvertUTF16toUTF8(action.mData).get()));
action.mData.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions(), "
"dispatching compositioncommit event...", this));
WidgetCompositionEvent compositionCommit(true, eCompositionCommit,
mWidget);
mWidget->InitEvent(compositionCommit);
compositionCommit.mData = action.mData;
// When the eCompositionCommit causes a DOM text event,
// the IME will be notified of NOTIFY_IME_OF_COMPOSITION_UPDATE. In
// such case, we should not clear the locked content until we notify
// the IME of the composition update.
if (compositionCommit.CausesDOMTextEvent()) {
mDeferClearingLockedContent = true;
}
DispatchEvent(compositionCommit);
if (!mWidget || mWidget->Destroyed()) {
break;
}
break;
}
case PendingAction::SET_SELECTION: {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::FlushPendingActions() "
"flushing SET_SELECTION={ mSelectionStart=%d, "
"mSelectionLength=%d, mSelectionReversed=%s }",
this, action.mSelectionStart, action.mSelectionLength,
GetBoolName(action.mSelectionReversed)));
WidgetSelectionEvent selectionSet(true, eSetSelection, mWidget);
selectionSet.mOffset =
static_cast<uint32_t>(action.mSelectionStart);
selectionSet.mLength =
static_cast<uint32_t>(action.mSelectionLength);
selectionSet.mReversed = action.mSelectionReversed;
break;
}
default:
MOZ_CRASH("unexpected action type");
}
if (mWidget && !mWidget->Destroyed()) {
continue;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::FlushPendingActions(), "
"qutting since the mWidget has gone", this));
break;
}
mPendingActions.Clear();
}
void
TSFTextStore::MaybeFlushPendingNotifications()
{
if (IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"putting off flushing pending notifications due to being the "
"document locked...", this));
return;
}
if (mDeferCommittingComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::CommitCompositionInternal(false)...", this));
mDeferCommittingComposition = mDeferCancellingComposition = false;
CommitCompositionInternal(false);
} else if (mDeferCancellingComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::CommitCompositionInternal(true)...", this));
mDeferCommittingComposition = mDeferCancellingComposition = false;
CommitCompositionInternal(true);
}
if (mDeferNotifyingTSF) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"putting off flushing pending notifications due to being "
"dispatching events...", this));
return;
}
if (mPendingDestroy) {
Destroy();
return;
}
if (!mDeferClearingLockedContent && mLockedContent.IsInitialized()) {
mLockedContent.Clear();
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"mLockedContent is cleared", this));
}
if (mHasReturnedNoLayoutError) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::NotifyTSFOfLayoutChange()...", this));
NotifyTSFOfLayoutChange();
}
if (mPendingOnSelectionChange) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::MaybeFlushPendingNotifications(), "
"calling TSFTextStore::NotifyTSFOfSelectionChange()...", this));
NotifyTSFOfSelectionChange();
}
}
STDMETHODIMP
TSFTextStore::GetStatus(TS_STATUS* pdcs)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetStatus(pdcs=0x%p)", this, pdcs));
if (!pdcs) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetStatus() FAILED due to null pdcs", this));
return E_INVALIDARG;
}
pdcs->dwDynamicFlags = 0;
// we use a "flat" text model for TSF support so no hidden text
pdcs->dwStaticFlags = TS_SS_NOHIDDENTEXT;
return S_OK;
}
STDMETHODIMP
TSFTextStore::QueryInsert(LONG acpTestStart,
LONG acpTestEnd,
ULONG cch,
LONG* pacpResultStart,
LONG* pacpResultEnd)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::QueryInsert(acpTestStart=%ld, "
"acpTestEnd=%ld, cch=%lu, pacpResultStart=0x%p, pacpResultEnd=0x%p)",
this, acpTestStart, acpTestEnd, cch, acpTestStart, acpTestEnd));
if (!pacpResultStart || !pacpResultEnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::QueryInsert() FAILED due to "
"the null argument", this));
return E_INVALIDARG;
}
if (acpTestStart < 0 || acpTestStart > acpTestEnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::QueryInsert() FAILED due to "
"wrong argument", this));
return E_INVALIDARG;
}
// XXX need to adjust to cluster boundary
// Assume we are given good offsets for now
const TSFStaticSink* kSink = TSFStaticSink::GetInstance();
if (IsWin8OrLater() && !mComposition.IsComposing() &&
((sHackQueryInsertForMSTraditionalTIP &&
(kSink->IsMSChangJieActive() || kSink->IsMSQuickQuickActive())) ||
(sHackQueryInsertForMSSimplifiedTIP &&
(kSink->IsMSPinyinActive() || kSink->IsMSWubiActive())))) {
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("TSF: 0x%p TSFTextStore::QueryInsert() WARNING using different "
"result for the TIP", this));
// Chinese TIPs of Microsoft assume that QueryInsert() returns selected
// range which should be removed.
*pacpResultStart = acpTestStart;
*pacpResultEnd = acpTestEnd;
} else {
*pacpResultStart = acpTestStart;
*pacpResultEnd = acpTestStart + cch;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::QueryInsert() succeeded: "
"*pacpResultStart=%ld, *pacpResultEnd=%ld)",
this, *pacpResultStart, *pacpResultEnd));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetSelection(ULONG ulIndex,
ULONG ulCount,
TS_SELECTION_ACP* pSelection,
ULONG* pcFetched)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetSelection(ulIndex=%lu, ulCount=%lu, "
"pSelection=0x%p, pcFetched=0x%p)",
this, ulIndex, ulCount, pSelection, pcFetched));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetSelection() FAILED due to not locked",
this));
return TS_E_NOLOCK;
}
if (!ulCount || !pSelection || !pcFetched) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*pcFetched = 0;
if (ulIndex != static_cast<ULONG>(TS_DEFAULT_SELECTION) &&
ulIndex != 0) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetSelection() FAILED due to "
"unsupported selection", this));
return TS_E_NOSELECTION;
}
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetSelection() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
*pSelection = currentSel.ACP();
*pcFetched = 1;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetSelection() succeeded", this));
return S_OK;
}
TSFTextStore::Content&
TSFTextStore::LockedContent()
{
// This should be called when the document is locked or the content hasn't
// been abandoned yet.
if (NS_WARN_IF(!IsReadLocked() && !mLockedContent.IsInitialized())) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::LockedContent(), FAILED, due to "
"called wrong timing, IsReadLocked()=%s, "
"mLockedContent.IsInitialized()=%s",
this, GetBoolName(IsReadLocked()),
GetBoolName(mLockedContent.IsInitialized())));
mLockedContent.Clear();
return mLockedContent;
}
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::LockedContent(), FAILED, due to "
"CurrentSelection() failure", this));
mLockedContent.Clear();
return mLockedContent;
}
if (!mLockedContent.IsInitialized()) {
nsAutoString text;
if (NS_WARN_IF(!GetCurrentText(text))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::LockedContent(), FAILED, due to "
"GetCurrentText() failure", this));
mLockedContent.Clear();
return mLockedContent;
}
mLockedContent.Init(text);
// Basically, the locked content should be cleared after the document is
// unlocked. However, in e10s mode, content will be modified
// asynchronously. In such case, mDeferClearingLockedContent may be
// true even after the document is unlocked.
mDeferClearingLockedContent = false;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::LockedContent(): "
"mLockedContent={ mText=\"%s\" (Length()=%u), "
"mLastCompositionString=\"%s\" (Length()=%u), "
"mMinTextModifiedOffset=%u }",
this, mLockedContent.Text().Length() <= 20 ?
NS_ConvertUTF16toUTF8(mLockedContent.Text()).get() : "<omitted>",
mLockedContent.Text().Length(),
NS_ConvertUTF16toUTF8(mLockedContent.LastCompositionString()).get(),
mLockedContent.LastCompositionString().Length(),
mLockedContent.MinTextModifiedOffset()));
return mLockedContent;
}
bool
TSFTextStore::GetCurrentText(nsAString& aTextContent)
{
if (mLockedContent.IsInitialized()) {
aTextContent = mLockedContent.Text();
return true;
}
MOZ_ASSERT(mWidget && !mWidget->Destroyed());
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetCurrentText(): "
"retrieving text from the content...", this));
WidgetQueryContentEvent queryText(true, eQueryTextContent, mWidget);
queryText.InitForQueryTextContent(0, UINT32_MAX);
mWidget->InitEvent(queryText);
DispatchEvent(queryText);
if (NS_WARN_IF(!queryText.mSucceeded)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetCurrentText(), FAILED, due to "
"eQueryTextContent failure", this));
aTextContent.Truncate();
return false;
}
aTextContent = queryText.mReply.mString;
return true;
}
TSFTextStore::Selection&
TSFTextStore::CurrentSelection()
{
if (mSelection.IsDirty()) {
// If the window has never been available, we should crash since working
// with broken values may make TIP confused.
if (!mWidget || mWidget->Destroyed()) {
MOZ_CRASH();
}
WidgetQueryContentEvent querySelection(true, eQuerySelectedText, mWidget);
mWidget->InitEvent(querySelection);
DispatchEvent(querySelection);
NS_ENSURE_TRUE(querySelection.mSucceeded, mSelection);
mSelection.SetSelection(querySelection.mReply.mOffset,
querySelection.mReply.mString.Length(),
querySelection.mReply.mReversed,
querySelection.GetWritingMode());
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::CurrentSelection(): "
"acpStart=%d, acpEnd=%d (length=%d), reverted=%s",
this, mSelection.StartOffset(), mSelection.EndOffset(),
mSelection.Length(),
GetBoolName(mSelection.IsReversed())));
return mSelection;
}
static HRESULT
GetRangeExtent(ITfRange* aRange, LONG* aStart, LONG* aLength)
{
RefPtr<ITfRangeACP> rangeACP;
aRange->QueryInterface(IID_ITfRangeACP, getter_AddRefs(rangeACP));
NS_ENSURE_TRUE(rangeACP, E_FAIL);
return rangeACP->GetExtent(aStart, aLength);
}
static uint32_t
GetGeckoSelectionValue(TF_DISPLAYATTRIBUTE& aDisplayAttr)
{
uint32_t result;
switch (aDisplayAttr.bAttr) {
case TF_ATTR_TARGET_CONVERTED:
result = NS_TEXTRANGE_SELECTEDCONVERTEDTEXT;
break;
case TF_ATTR_CONVERTED:
result = NS_TEXTRANGE_CONVERTEDTEXT;
break;
case TF_ATTR_TARGET_NOTCONVERTED:
result = NS_TEXTRANGE_SELECTEDRAWTEXT;
break;
default:
result = NS_TEXTRANGE_RAWINPUT;
break;
}
return result;
}
HRESULT
TSFTextStore::GetDisplayAttribute(ITfProperty* aAttrProperty,
ITfRange* aRange,
TF_DISPLAYATTRIBUTE* aResult)
{
NS_ENSURE_TRUE(aAttrProperty, E_FAIL);
NS_ENSURE_TRUE(aRange, E_FAIL);
NS_ENSURE_TRUE(aResult, E_FAIL);
HRESULT hr;
if (MOZ_LOG_TEST(sTextStoreLog, LogLevel::Debug)) {
LONG start = 0, length = 0;
hr = GetRangeExtent(aRange, &start, &length);
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute(): "
"GetDisplayAttribute range=%ld-%ld (hr=%s)",
this, start - mComposition.mStart,
start - mComposition.mStart + length,
GetCommonReturnValueName(hr)));
}
VARIANT propValue;
::VariantInit(&propValue);
hr = aAttrProperty->GetValue(TfEditCookie(mEditCookie), aRange, &propValue);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfProperty::GetValue() failed", this));
return hr;
}
if (VT_I4 != propValue.vt) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfProperty::GetValue() returns non-VT_I4 value", this));
::VariantClear(&propValue);
return E_FAIL;
}
NS_ENSURE_TRUE(sCategoryMgr, E_FAIL);
GUID guid;
hr = sCategoryMgr->GetGUID(DWORD(propValue.lVal), &guid);
::VariantClear(&propValue);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfCategoryMgr::GetGUID() failed", this));
return hr;
}
NS_ENSURE_TRUE(sDisplayAttrMgr, E_FAIL);
RefPtr<ITfDisplayAttributeInfo> info;
hr = sDisplayAttrMgr->GetDisplayAttributeInfo(guid, getter_AddRefs(info),
nullptr);
if (FAILED(hr) || !info) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfDisplayAttributeMgr::GetDisplayAttributeInfo() failed", this));
return hr;
}
hr = info->GetAttributeInfo(aResult);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute() FAILED due to "
"ITfDisplayAttributeInfo::GetAttributeInfo() failed", this));
return hr;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetDisplayAttribute() succeeded: "
"Result={ %s }", this, GetDisplayAttrStr(*aResult).get()));
return S_OK;
}
HRESULT
TSFTextStore::RestartCompositionIfNecessary(ITfRange* aRangeNew)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary("
"aRangeNew=0x%p), mComposition.mView=0x%p",
this, aRangeNew, mComposition.mView.get()));
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary() FAILED "
"due to no composition view", this));
return E_FAIL;
}
HRESULT hr;
RefPtr<ITfCompositionView> pComposition(mComposition.mView);
RefPtr<ITfRange> composingRange(aRangeNew);
if (!composingRange) {
hr = pComposition->GetRange(getter_AddRefs(composingRange));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary() "
"FAILED due to pComposition->GetRange() failure", this));
return hr;
}
}
// Get starting offset of the composition
LONG compStart = 0, compLength = 0;
hr = GetRangeExtent(composingRange, &compStart, &compLength);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary(), "
"range=%ld-%ld, mComposition={ mStart=%ld, mString.Length()=%lu }",
this, compStart, compStart + compLength, mComposition.mStart,
mComposition.mString.Length()));
if (mComposition.mStart != compStart ||
mComposition.mString.Length() != (ULONG)compLength) {
// If the queried composition length is different from the length
// of our composition string, OnUpdateComposition is being called
// because a part of the original composition was committed.
hr = RestartComposition(pComposition, composingRange);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary() "
"FAILED due to RestartComposition() failure", this));
return hr;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RestartCompositionIfNecessary() succeeded",
this));
return S_OK;
}
HRESULT
TSFTextStore::RestartComposition(ITfCompositionView* aCompositionView,
ITfRange* aNewRange)
{
Selection& currentSelection = CurrentSelection();
LONG newStart, newLength;
HRESULT hr = GetRangeExtent(aNewRange, &newStart, &newLength);
LONG newEnd = newStart + newLength;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RestartComposition(aCompositionView=0x%p, "
"aNewRange=0x%p { newStart=%d, newLength=%d }), "
"mComposition={ mStart=%d, mCompositionString.Length()=%d }, "
"currentSelection={ IsDirty()=%s, StartOffset()=%d, Length()=%d }",
this, aCompositionView, aNewRange, newStart, newLength,
mComposition.mStart, mComposition.mString.Length(),
GetBoolName(currentSelection.IsDirty()),
currentSelection.StartOffset(), currentSelection.Length()));
if (currentSelection.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartComposition() FAILED "
"due to CurrentSelection() failure", this));
return E_FAIL;
}
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartComposition() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
// If the new range has no overlap with the crrent range, we just commit
// the composition and restart new composition with the new range but
// current selection range should be preserved.
if (newStart >= mComposition.EndOffset() || newEnd <= mComposition.mStart) {
RecordCompositionEndAction();
RecordCompositionStartAction(aCompositionView, newStart, newLength, true);
return S_OK;
}
// If the new range has an overlap with the current one, we should not commit
// the whole current range to avoid creating an odd undo transaction.
// I.e., the overlapped range which is being composed should not appear in
// undo transaction.
// Backup current composition data and selection data.
Composition oldComposition = mComposition;
Selection oldSelection = currentSelection;
// Commit only the part of composition.
LONG keepComposingStartOffset = std::max(mComposition.mStart, newStart);
LONG keepComposingEndOffset = std::min(mComposition.EndOffset(), newEnd);
MOZ_ASSERT(keepComposingStartOffset <= keepComposingEndOffset,
"Why keepComposingEndOffset is smaller than keepComposingStartOffset?");
LONG keepComposingLength = keepComposingEndOffset - keepComposingStartOffset;
// Remove the overlapped part from the commit string.
nsAutoString commitString(mComposition.mString);
commitString.Cut(keepComposingStartOffset - mComposition.mStart,
keepComposingLength);
// Update the composition string.
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RestartComposition() FAILED "
"due to LockedContent() failure", this));
return E_FAIL;
}
lockedContent.ReplaceTextWith(mComposition.mStart,
mComposition.mString.Length(),
commitString);
// Record a compositionupdate action for commit the part of composing string.
PendingAction* action = LastOrNewPendingCompositionUpdate();
action->mData = mComposition.mString;
action->mRanges->Clear();
TextRange caretRange;
caretRange.mStartOffset = caretRange.mEndOffset =
uint32_t(oldComposition.mStart + commitString.Length());
caretRange.mRangeType = NS_TEXTRANGE_CARETPOSITION;
action->mRanges->AppendElement(caretRange);
action->mIncomplete = false;
// Record compositionend action.
RecordCompositionEndAction();
// Record compositionstart action only with the new start since this method
// hasn't restored composing string yet.
RecordCompositionStartAction(aCompositionView, newStart, 0, false);
// Restore the latest text content and selection.
lockedContent.ReplaceSelectedTextWith(
nsDependentSubstring(oldComposition.mString,
keepComposingStartOffset - oldComposition.mStart,
keepComposingLength));
currentSelection = oldSelection;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RestartComposition() succeeded, "
"mComposition={ mStart=%d, mCompositionString.Length()=%d }, "
"currentSelection={ IsDirty()=%s, StartOffset()=%d, Length()=%d }",
this, mComposition.mStart, mComposition.mString.Length(),
GetBoolName(currentSelection.IsDirty()),
currentSelection.StartOffset(), currentSelection.Length()));
return S_OK;
}
static bool
GetColor(const TF_DA_COLOR& aTSFColor, nscolor& aResult)
{
switch (aTSFColor.type) {
case TF_CT_SYSCOLOR: {
DWORD sysColor = ::GetSysColor(aTSFColor.nIndex);
aResult = NS_RGB(GetRValue(sysColor), GetGValue(sysColor),
GetBValue(sysColor));
return true;
}
case TF_CT_COLORREF:
aResult = NS_RGB(GetRValue(aTSFColor.cr), GetGValue(aTSFColor.cr),
GetBValue(aTSFColor.cr));
return true;
case TF_CT_NONE:
default:
return false;
}
}
static bool
GetLineStyle(TF_DA_LINESTYLE aTSFLineStyle, uint8_t& aTextRangeLineStyle)
{
switch (aTSFLineStyle) {
case TF_LS_NONE:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_NONE;
return true;
case TF_LS_SOLID:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_SOLID;
return true;
case TF_LS_DOT:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_DOTTED;
return true;
case TF_LS_DASH:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_DASHED;
return true;
case TF_LS_SQUIGGLE:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_WAVY;
return true;
default:
return false;
}
}
HRESULT
TSFTextStore::RecordCompositionUpdateAction()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction(), "
"mComposition={ mView=0x%p, mStart=%d, mString=\"%s\" "
"(Length()=%d) }",
this, mComposition.mView.get(), mComposition.mStart,
NS_ConvertUTF16toUTF8(mComposition.mString).get(),
mComposition.mString.Length()));
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to no composition view", this));
return E_FAIL;
}
// Getting display attributes is *really* complicated!
// We first get the context and the property objects to query for
// attributes, but since a big range can have a variety of values for
// the attribute, we have to find out all the ranges that have distinct
// attribute values. Then we query for what the value represents through
// the display attribute manager and translate that to TextRange to be
// sent in eCompositionChange
RefPtr<ITfProperty> attrPropetry;
HRESULT hr = mContext->GetProperty(GUID_PROP_ATTRIBUTE,
getter_AddRefs(attrPropetry));
if (FAILED(hr) || !attrPropetry) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to mContext->GetProperty() failure", this));
return FAILED(hr) ? hr : E_FAIL;
}
RefPtr<ITfRange> composingRange;
hr = mComposition.mView->GetRange(getter_AddRefs(composingRange));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() "
"FAILED due to mComposition.mView->GetRange() failure", this));
return hr;
}
RefPtr<IEnumTfRanges> enumRanges;
hr = attrPropetry->EnumRanges(TfEditCookie(mEditCookie),
getter_AddRefs(enumRanges), composingRange);
if (FAILED(hr) || !enumRanges) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to attrPropetry->EnumRanges() failure", this));
return FAILED(hr) ? hr : E_FAIL;
}
// First, put the log of content and selection here.
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() FAILED "
"due to CurrentSelection() failure", this));
return E_FAIL;
}
PendingAction* action = LastOrNewPendingCompositionUpdate();
action->mData = mComposition.mString;
// The ranges might already have been initialized, however, if this is
// called again, that means we need to overwrite the ranges with current
// information.
action->mRanges->Clear();
TextRange newRange;
// No matter if we have display attribute info or not,
// we always pass in at least one range to eCompositionChange
newRange.mStartOffset = 0;
newRange.mEndOffset = action->mData.Length();
newRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
action->mRanges->AppendElement(newRange);
RefPtr<ITfRange> range;
while (S_OK == enumRanges->Next(1, getter_AddRefs(range), nullptr) && range) {
LONG rangeStart = 0, rangeLength = 0;
if (FAILED(GetRangeExtent(range, &rangeStart, &rangeLength))) {
continue;
}
// The range may include out of composition string. We should ignore
// outside of the composition string.
LONG start = std::min(std::max(rangeStart, mComposition.mStart),
mComposition.EndOffset());
LONG end = std::max(std::min(rangeStart + rangeLength,
mComposition.EndOffset()),
mComposition.mStart);
LONG length = end - start;
if (length < 0) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() "
"ignores invalid range (%d-%d)",
this, rangeStart - mComposition.mStart,
rangeStart - mComposition.mStart + rangeLength));
continue;
}
if (!length) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() "
"ignores a range due to outside of the composition or empty "
"(%d-%d)",
this, rangeStart - mComposition.mStart,
rangeStart - mComposition.mStart + rangeLength));
continue;
}
TextRange newRange;
newRange.mStartOffset = uint32_t(start - mComposition.mStart);
// The end of the last range in the array is
// always kept at the end of composition
newRange.mEndOffset = mComposition.mString.Length();
TF_DISPLAYATTRIBUTE attr;
hr = GetDisplayAttribute(attrPropetry, range, &attr);
if (FAILED(hr)) {
newRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
} else {
newRange.mRangeType = GetGeckoSelectionValue(attr);
if (GetColor(attr.crText, newRange.mRangeStyle.mForegroundColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_FOREGROUND_COLOR;
}
if (GetColor(attr.crBk, newRange.mRangeStyle.mBackgroundColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_BACKGROUND_COLOR;
}
if (GetColor(attr.crLine, newRange.mRangeStyle.mUnderlineColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_UNDERLINE_COLOR;
}
if (GetLineStyle(attr.lsStyle, newRange.mRangeStyle.mLineStyle)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_LINESTYLE;
newRange.mRangeStyle.mIsBoldLine = attr.fBoldLine != 0;
}
}
TextRange& lastRange = action->mRanges->LastElement();
if (lastRange.mStartOffset == newRange.mStartOffset) {
// Replace range if last range is the same as this one
// So that ranges don't overlap and confuse the editor
lastRange = newRange;
} else {
lastRange.mEndOffset = newRange.mStartOffset;
action->mRanges->AppendElement(newRange);
}
}
// We need to hack for Korean Input System which is Korean standard TIP.
// It sets no change style to IME selection (the selection is always only
// one). So, the composition string looks like normal (or committed) string.
// At this time, current selection range is same as the composition string
// range. Other applications set a wide caret which covers the composition
// string, however, Gecko doesn't support the wide caret drawing now (Gecko
// doesn't support XOR drawing), unfortunately. For now, we should change
// the range style to undefined.
if (!currentSel.IsCollapsed() && action->mRanges->Length() == 1) {
TextRange& range = action->mRanges->ElementAt(0);
LONG start = currentSel.MinOffset();
LONG end = currentSel.MaxOffset();
if ((LONG)range.mStartOffset == start - mComposition.mStart &&
(LONG)range.mEndOffset == end - mComposition.mStart &&
range.mRangeStyle.IsNoChangeStyle()) {
range.mRangeStyle.Clear();
// The looks of selected type is better than others.
range.mRangeType = NS_TEXTRANGE_SELECTEDRAWTEXT;
}
}
// The caret position has to be collapsed.
uint32_t caretPosition =
static_cast<uint32_t>(currentSel.MaxOffset() - mComposition.mStart);
// If caret is in the target clause and it doesn't have specific style,
// the target clause will be painted as normal selection range. Since caret
// shouldn't be in selection range on Windows, we shouldn't append caret
// range in such case.
const TextRange* targetClause = action->mRanges->GetTargetClause();
if (!targetClause || targetClause->mRangeStyle.IsDefined() ||
caretPosition < targetClause->mStartOffset ||
caretPosition > targetClause->mEndOffset) {
TextRange caretRange;
caretRange.mStartOffset = caretRange.mEndOffset = caretPosition;
caretRange.mRangeType = NS_TEXTRANGE_CARETPOSITION;
action->mRanges->AppendElement(caretRange);
}
action->mIncomplete = false;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RecordCompositionUpdateAction() "
"succeeded", this));
return S_OK;
}
HRESULT
TSFTextStore::SetSelectionInternal(const TS_SELECTION_ACP* pSelection,
bool aDispatchCompositionChangeEvent)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::SetSelectionInternal(pSelection={ "
"acpStart=%ld, acpEnd=%ld, style={ ase=%s, fInterimChar=%s} }, "
"aDispatchCompositionChangeEvent=%s), mComposition.IsComposing()=%s",
this, pSelection->acpStart, pSelection->acpEnd,
GetActiveSelEndName(pSelection->style.ase),
GetBoolName(pSelection->style.fInterimChar),
GetBoolName(aDispatchCompositionChangeEvent),
GetBoolName(mComposition.IsComposing())));
MOZ_ASSERT(IsReadWriteLocked());
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
if (mComposition.IsComposing()) {
if (aDispatchCompositionChangeEvent) {
HRESULT hr = RestartCompositionIfNecessary();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"RestartCompositionIfNecessary() failure", this));
return hr;
}
}
if (pSelection->acpStart < mComposition.mStart ||
pSelection->acpEnd > mComposition.EndOffset()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"the selection being out of the composition string", this));
return TS_E_INVALIDPOS;
}
// Emulate selection during compositions
currentSel.SetSelection(*pSelection);
if (aDispatchCompositionChangeEvent) {
HRESULT hr = RecordCompositionUpdateAction();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelectionInternal() FAILED due to "
"RecordCompositionUpdateAction() failure", this));
return hr;
}
}
return S_OK;
}
CompleteLastActionIfStillIncomplete();
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::SET_SELECTION;
action->mSelectionStart = pSelection->acpStart;
action->mSelectionLength = pSelection->acpEnd - pSelection->acpStart;
action->mSelectionReversed = (pSelection->style.ase == TS_AE_START);
currentSel.SetSelection(*pSelection);
return S_OK;
}
STDMETHODIMP
TSFTextStore::SetSelection(ULONG ulCount,
const TS_SELECTION_ACP* pSelection)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::SetSelection(ulCount=%lu, pSelection=%p { "
"acpStart=%ld, acpEnd=%ld, style={ ase=%s, fInterimChar=%s } }), "
"mComposition.IsComposing()=%s",
this, ulCount, pSelection,
pSelection ? pSelection->acpStart : 0,
pSelection ? pSelection->acpEnd : 0,
pSelection ? GetActiveSelEndName(pSelection->style.ase) : "",
pSelection ? GetBoolName(pSelection->style.fInterimChar) : "",
GetBoolName(mComposition.IsComposing())));
if (!IsReadWriteLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelection() FAILED due to "
"not locked (read-write)", this));
return TS_E_NOLOCK;
}
if (ulCount != 1) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelection() FAILED due to "
"trying setting multiple selection", this));
return E_INVALIDARG;
}
if (!pSelection) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
HRESULT hr = SetSelectionInternal(pSelection, true);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetSelection() FAILED due to "
"SetSelectionInternal() failure", this));
} else {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::SetSelection() succeeded", this));
}
return hr;
}
STDMETHODIMP
TSFTextStore::GetText(LONG acpStart,
LONG acpEnd,
WCHAR* pchPlain,
ULONG cchPlainReq,
ULONG* pcchPlainOut,
TS_RUNINFO* prgRunInfo,
ULONG ulRunInfoReq,
ULONG* pulRunInfoOut,
LONG* pacpNext)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetText(acpStart=%ld, acpEnd=%ld, pchPlain=0x%p, "
"cchPlainReq=%lu, pcchPlainOut=0x%p, prgRunInfo=0x%p, ulRunInfoReq=%lu, "
"pulRunInfoOut=0x%p, pacpNext=0x%p), mComposition={ mStart=%ld, "
"mString.Length()=%lu, IsComposing()=%s }",
this, acpStart, acpEnd, pchPlain, cchPlainReq, pcchPlainOut,
prgRunInfo, ulRunInfoReq, pulRunInfoOut, pacpNext,
mComposition.mStart, mComposition.mString.Length(),
GetBoolName(mComposition.IsComposing())));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetText() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pcchPlainOut || (!pchPlain && !prgRunInfo) ||
!cchPlainReq != !pchPlain || !ulRunInfoReq != !prgRunInfo) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetText() FAILED due to "
"invalid argument", this));
return E_INVALIDARG;
}
if (acpStart < 0 || acpEnd < -1 || (acpEnd != -1 && acpStart > acpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetText() FAILED due to "
"invalid position", this));
return TS_E_INVALIDPOS;
}
// Making sure to null-terminate string just to be on the safe side
*pcchPlainOut = 0;
if (pchPlain && cchPlainReq) *pchPlain = 0;
if (pulRunInfoOut) *pulRunInfoOut = 0;
if (pacpNext) *pacpNext = acpStart;
if (prgRunInfo && ulRunInfoReq) {
prgRunInfo->uCount = 0;
prgRunInfo->type = TS_RT_PLAIN;
}
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetText() FAILED due to "
"LockedContent() failure", this));
return E_FAIL;
}
if (lockedContent.Text().Length() < static_cast<uint32_t>(acpStart)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetText() FAILED due to "
"acpStart is larger offset than the actual text length", this));
return TS_E_INVALIDPOS;
}
if (acpEnd != -1 &&
lockedContent.Text().Length() < static_cast<uint32_t>(acpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetText() FAILED due to "
"acpEnd is larger offset than the actual text length", this));
return TS_E_INVALIDPOS;
}
uint32_t length = (acpEnd == -1) ?
lockedContent.Text().Length() - static_cast<uint32_t>(acpStart) :
static_cast<uint32_t>(acpEnd - acpStart);
if (cchPlainReq && cchPlainReq - 1 < length) {
length = cchPlainReq - 1;
}
if (length) {
if (pchPlain && cchPlainReq) {
const char16_t* startChar =
lockedContent.Text().BeginReading() + acpStart;
memcpy(pchPlain, startChar, length * sizeof(*pchPlain));
pchPlain[length] = 0;
*pcchPlainOut = length;
}
if (prgRunInfo && ulRunInfoReq) {
prgRunInfo->uCount = length;
prgRunInfo->type = TS_RT_PLAIN;
if (pulRunInfoOut) *pulRunInfoOut = 1;
}
if (pacpNext) *pacpNext = acpStart + length;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetText() succeeded: pcchPlainOut=0x%p, "
"*prgRunInfo={ uCount=%lu, type=%s }, *pulRunInfoOut=%lu, "
"*pacpNext=%ld)",
this, pcchPlainOut, prgRunInfo ? prgRunInfo->uCount : 0,
prgRunInfo ? GetTextRunTypeName(prgRunInfo->type) : "N/A",
pulRunInfoOut ? pulRunInfoOut : 0, pacpNext ? pacpNext : 0));
return S_OK;
}
STDMETHODIMP
TSFTextStore::SetText(DWORD dwFlags,
LONG acpStart,
LONG acpEnd,
const WCHAR* pchText,
ULONG cch,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::SetText(dwFlags=%s, acpStart=%ld, "
"acpEnd=%ld, pchText=0x%p \"%s\", cch=%lu, pChange=0x%p), "
"mComposition.IsComposing()=%s",
this, dwFlags == TS_ST_CORRECTION ? "TS_ST_CORRECTION" :
"not-specified",
acpStart, acpEnd, pchText,
pchText && cch ?
NS_ConvertUTF16toUTF8(pchText, cch).get() : "",
cch, pChange, GetBoolName(mComposition.IsComposing())));
// Per SDK documentation, and since we don't have better
// ways to do this, this method acts as a helper to
// call SetSelection followed by InsertTextAtSelection
if (!IsReadWriteLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetText() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
TS_SELECTION_ACP selection;
selection.acpStart = acpStart;
selection.acpEnd = acpEnd;
selection.style.ase = TS_AE_END;
selection.style.fInterimChar = 0;
// Set selection to desired range
HRESULT hr = SetSelectionInternal(&selection);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetText() FAILED due to "
"SetSelectionInternal() failure", this));
return hr;
}
// Replace just selected text
if (!InsertTextAtSelectionInternal(nsDependentSubstring(pchText, cch),
pChange)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::SetText() FAILED due to "
"InsertTextAtSelectionInternal() failure", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::SetText() succeeded: pChange={ "
"acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld }",
this, pChange ? pChange->acpStart : 0,
pChange ? pChange->acpOldEnd : 0, pChange ? pChange->acpNewEnd : 0));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetFormattedText(LONG acpStart,
LONG acpEnd,
IDataObject** ppDataObject)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetFormattedText() called "
"but not supported (E_NOTIMPL)", this));
// no support for formatted text
return E_NOTIMPL;
}
STDMETHODIMP
TSFTextStore::GetEmbedded(LONG acpPos,
REFGUID rguidService,
REFIID riid,
IUnknown** ppunk)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetEmbedded() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
STDMETHODIMP
TSFTextStore::QueryInsertEmbedded(const GUID* pguidService,
const FORMATETC* pFormatEtc,
BOOL* pfInsertable)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::QueryInsertEmbedded() called "
"but not supported, *pfInsertable=FALSE (S_OK)", this));
// embedded objects are not supported
*pfInsertable = FALSE;
return S_OK;
}
STDMETHODIMP
TSFTextStore::InsertEmbedded(DWORD dwFlags,
LONG acpStart,
LONG acpEnd,
IDataObject* pDataObject,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::InsertEmbedded() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
void
TSFTextStore::SetInputScope(const nsString& aHTMLInputType)
{
mInputScopes.Clear();
if (aHTMLInputType.IsEmpty() || aHTMLInputType.EqualsLiteral("text")) {
return;
}
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html
if (aHTMLInputType.EqualsLiteral("url")) {
mInputScopes.AppendElement(IS_URL);
} else if (aHTMLInputType.EqualsLiteral("search")) {
mInputScopes.AppendElement(IS_SEARCH);
} else if (aHTMLInputType.EqualsLiteral("email")) {
mInputScopes.AppendElement(IS_EMAIL_SMTPEMAILADDRESS);
} else if (aHTMLInputType.EqualsLiteral("password")) {
mInputScopes.AppendElement(IS_PASSWORD);
} else if (aHTMLInputType.EqualsLiteral("datetime") ||
aHTMLInputType.EqualsLiteral("datetime-local")) {
mInputScopes.AppendElement(IS_DATE_FULLDATE);
mInputScopes.AppendElement(IS_TIME_FULLTIME);
} else if (aHTMLInputType.EqualsLiteral("date") ||
aHTMLInputType.EqualsLiteral("month") ||
aHTMLInputType.EqualsLiteral("week")) {
mInputScopes.AppendElement(IS_DATE_FULLDATE);
} else if (aHTMLInputType.EqualsLiteral("time")) {
mInputScopes.AppendElement(IS_TIME_FULLTIME);
} else if (aHTMLInputType.EqualsLiteral("tel")) {
mInputScopes.AppendElement(IS_TELEPHONE_FULLTELEPHONENUMBER);
mInputScopes.AppendElement(IS_TELEPHONE_LOCALNUMBER);
} else if (aHTMLInputType.EqualsLiteral("number")) {
mInputScopes.AppendElement(IS_NUMBER);
}
}
int32_t
TSFTextStore::GetRequestedAttrIndex(const TS_ATTRID& aAttrID)
{
if (IsEqualGUID(aAttrID, GUID_PROP_INPUTSCOPE)) {
return eInputScope;
}
if (IsEqualGUID(aAttrID, TSATTRID_Text_VerticalWriting)) {
return eTextVerticalWriting;
}
if (IsEqualGUID(aAttrID, TSATTRID_Text_Orientation)) {
return eTextOrientation;
}
return eNotSupported;
}
TS_ATTRID
TSFTextStore::GetAttrID(int32_t aIndex)
{
switch (aIndex) {
case eInputScope:
return GUID_PROP_INPUTSCOPE;
case eTextVerticalWriting:
return TSATTRID_Text_VerticalWriting;
case eTextOrientation:
return TSATTRID_Text_Orientation;
default:
MOZ_CRASH("Invalid index? Or not implemented yet?");
return GUID_NULL;
}
}
HRESULT
TSFTextStore::HandleRequestAttrs(DWORD aFlags,
ULONG aFilterCount,
const TS_ATTRID* aFilterAttrs)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::HandleRequestAttrs(aFlags=%s, "
"aFilterCount=%u)",
this, GetFindFlagName(aFlags).get(), aFilterCount));
// This is a little weird! RequestSupportedAttrs gives us advanced notice
// of a support query via RetrieveRequestedAttrs for a specific attribute.
// RetrieveRequestedAttrs needs to return valid data for all attributes we
// support, but the text service will only want the input scope object
// returned in RetrieveRequestedAttrs if the dwFlags passed in here contains
// TS_ATTR_FIND_WANT_VALUE.
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
mRequestedAttrs[i] = false;
}
mRequestedAttrValues = !!(aFlags & TS_ATTR_FIND_WANT_VALUE);
for (uint32_t i = 0; i < aFilterCount; i++) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::HandleRequestAttrs(), "
"requested attr=%s",
this, GetGUIDNameStrWithTable(aFilterAttrs[i]).get()));
int32_t index = GetRequestedAttrIndex(aFilterAttrs[i]);
if (index != eNotSupported) {
mRequestedAttrs[index] = true;
}
}
return S_OK;
}
STDMETHODIMP
TSFTextStore::RequestSupportedAttrs(DWORD dwFlags,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttrs)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestSupportedAttrs(dwFlags=%s, "
"cFilterAttrs=%lu)",
this, GetFindFlagName(dwFlags).get(), cFilterAttrs));
return HandleRequestAttrs(dwFlags, cFilterAttrs, paFilterAttrs);
}
STDMETHODIMP
TSFTextStore::RequestAttrsAtPosition(LONG acpPos,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttrs,
DWORD dwFlags)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestAttrsAtPosition(acpPos=%ld, "
"cFilterAttrs=%lu, dwFlags=%s)",
this, acpPos, cFilterAttrs, GetFindFlagName(dwFlags).get()));
return HandleRequestAttrs(dwFlags | TS_ATTR_FIND_WANT_VALUE,
cFilterAttrs, paFilterAttrs);
}
STDMETHODIMP
TSFTextStore::RequestAttrsTransitioningAtPosition(LONG acpPos,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttr,
DWORD dwFlags)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RequestAttrsTransitioningAtPosition("
"acpPos=%ld, cFilterAttrs=%lu, dwFlags=%s) called but not supported "
"(S_OK)",
this, acpPos, cFilterAttrs, GetFindFlagName(dwFlags).get()));
// no per character attributes defined
return S_OK;
}
STDMETHODIMP
TSFTextStore::FindNextAttrTransition(LONG acpStart,
LONG acpHalt,
ULONG cFilterAttrs,
const TS_ATTRID* paFilterAttrs,
DWORD dwFlags,
LONG* pacpNext,
BOOL* pfFound,
LONG* plFoundOffset)
{
if (!pacpNext || !pfFound || !plFoundOffset) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::FindNextAttrTransition() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::FindNextAttrTransition() called "
"but not supported (S_OK)", this));
// no per character attributes defined
*pacpNext = *plFoundOffset = acpHalt;
*pfFound = FALSE;
return S_OK;
}
STDMETHODIMP
TSFTextStore::RetrieveRequestedAttrs(ULONG ulCount,
TS_ATTRVAL* paAttrVals,
ULONG* pcFetched)
{
if (!pcFetched || !paAttrVals) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RetrieveRequestedAttrs() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
ULONG expectedCount = 0;
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
if (mRequestedAttrs[i]) {
expectedCount++;
}
}
if (ulCount < expectedCount) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RetrieveRequestedAttrs() FAILED due to "
"not enough count ulCount=%u, expectedCount=%u",
this, ulCount, expectedCount));
return E_INVALIDARG;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RetrieveRequestedAttrs() called "
"ulCount=%d, mRequestedAttrValues=%s",
this, ulCount, GetBoolName(mRequestedAttrValues)));
int32_t count = 0;
for (int32_t i = 0; i < NUM_OF_SUPPORTED_ATTRS; i++) {
if (!mRequestedAttrs[i]) {
continue;
}
mRequestedAttrs[i] = false;
TS_ATTRID attrID = GetAttrID(i);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RetrieveRequestedAttrs() for %s",
this, GetGUIDNameStrWithTable(attrID).get()));
paAttrVals[count].idAttr = attrID;
paAttrVals[count].dwOverlapId = 0;
if (!mRequestedAttrValues) {
paAttrVals[count].varValue.vt = VT_EMPTY;
} else {
switch (i) {
case eInputScope: {
paAttrVals[count].varValue.vt = VT_UNKNOWN;
RefPtr<IUnknown> inputScope = new InputScopeImpl(mInputScopes);
paAttrVals[count].varValue.punkVal = inputScope.forget().take();
break;
}
case eTextVerticalWriting: {
Selection& currentSelection = CurrentSelection();
paAttrVals[count].varValue.vt = VT_BOOL;
paAttrVals[count].varValue.boolVal =
currentSelection.GetWritingMode().IsVertical()
? VARIANT_TRUE : VARIANT_FALSE;
break;
}
case eTextOrientation: {
Selection& currentSelection = CurrentSelection();
paAttrVals[count].varValue.vt = VT_I4;
paAttrVals[count].varValue.lVal =
currentSelection.GetWritingMode().IsVertical() ? 2700 : 0;
break;
}
default:
MOZ_CRASH("Invalid index? Or not implemented yet?");
break;
}
}
count++;
}
mRequestedAttrValues = false;
if (count) {
*pcFetched = count;
return S_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RetrieveRequestedAttrs() called "
"for unknown TS_ATTRVAL, *pcFetched=0 (S_OK)", this));
paAttrVals->dwOverlapId = 0;
paAttrVals->varValue.vt = VT_EMPTY;
*pcFetched = 0;
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetEndACP(LONG* pacp)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetEndACP(pacp=0x%p)", this, pacp));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetEndACP() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pacp) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetEndACP() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetEndACP() FAILED due to "
"LockedContent() failure", this));
return E_FAIL;
}
*pacp = static_cast<LONG>(lockedContent.Text().Length());
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetActiveView(TsViewCookie* pvcView)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetActiveView(pvcView=0x%p)",
this, pvcView));
if (!pvcView) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetActiveView() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*pvcView = TEXTSTORE_DEFAULT_VIEW;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetActiveView() succeeded: *pvcView=%ld",
this, *pvcView));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetACPFromPoint(TsViewCookie vcView,
const POINT* pt,
DWORD dwFlags,
LONG* pacp)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetACPFromPoint(pvcView=%d, pt=%p (x=%d, "
"y=%d), dwFlags=%s, pacp=%p, mDeferNotifyingTSF=%s, "
"mWaitingQueryLayout=%s",
this, vcView, pt, pt ? pt->x : 0, pt ? pt->y : 0,
GetACPFromPointFlagName(dwFlags).get(), pacp,
GetBoolName(mDeferNotifyingTSF), GetBoolName(mWaitingQueryLayout)));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!pt) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"null pt", this));
return E_INVALIDARG;
}
if (!pacp) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"null pacp", this));
return E_INVALIDARG;
}
mWaitingQueryLayout = false;
if (mLockedContent.IsLayoutChanged()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() returned "
"TS_E_NOLAYOUT", this));
mHasReturnedNoLayoutError = true;
return TS_E_NOLAYOUT;
}
LayoutDeviceIntPoint ourPt(pt->x, pt->y);
// Convert to widget relative coordinates from screen's.
ourPt -= mWidget->WidgetToScreenOffset();
// NOTE: Don't check if the point is in the widget since the point can be
// outside of the widget if focused editor is in a XUL <panel>.
WidgetQueryContentEvent charAtPt(true, eQueryCharacterAtPoint, mWidget);
mWidget->InitEvent(charAtPt, &ourPt);
// FYI: WidgetQueryContentEvent may cause flushing pending layout and it
// may cause focus change or something.
RefPtr<TSFTextStore> kungFuDeathGrip(this);
DispatchEvent(charAtPt);
if (!mWidget || mWidget->Destroyed()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"mWidget was destroyed during eQueryCharacterAtPoint", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetACPFromPoint(), charAtPt={ "
"mSucceeded=%s, mReply={ mOffset=%u, mTentativeCaretOffset=%u }}",
this, GetBoolName(charAtPt.mSucceeded), charAtPt.mReply.mOffset,
charAtPt.mReply.mTentativeCaretOffset));
if (NS_WARN_IF(!charAtPt.mSucceeded)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"eQueryCharacterAtPoint failure", this));
return E_FAIL;
}
// If dwFlags isn't set and the point isn't in any character's bounding box,
// we should return TS_E_INVALIDPOINT.
if (!(dwFlags & GXFPF_NEAREST) &&
charAtPt.mReply.mOffset == WidgetQueryContentEvent::NOT_FOUND) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to the "
"point contained by no bounding box", this));
return TS_E_INVALIDPOINT;
}
// Although, we're not sure if mTentativeCaretOffset becomes NOT_FOUND,
// let's assume that there is no content in such case.
if (NS_WARN_IF(charAtPt.mReply.mTentativeCaretOffset ==
WidgetQueryContentEvent::NOT_FOUND)) {
charAtPt.mReply.mTentativeCaretOffset = 0;
}
uint32_t offset;
// If dwFlags includes GXFPF_ROUND_NEAREST, we should return tentative
// caret offset (MSDN calls it "range position").
if (dwFlags & GXFPF_ROUND_NEAREST) {
offset = charAtPt.mReply.mTentativeCaretOffset;
} else if (charAtPt.mReply.mOffset != WidgetQueryContentEvent::NOT_FOUND) {
// Otherwise, we should return character offset whose bounding box contains
// the point.
offset = charAtPt.mReply.mOffset;
} else {
// If the point isn't in any character's bounding box but we need to return
// the nearest character from the point, we should *guess* the character
// offset since there is no inexpensive API to check it strictly.
// XXX If we retrieve 2 bounding boxes, one is before the offset and
// the other is after the offset, we could resolve the offset.
// However, dispatching 2 eQueryTextRect may be expensive.
// So, use tentative offset for now.
offset = charAtPt.mReply.mTentativeCaretOffset;
// However, if it's after the last character, we need to decrement the
// offset.
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to "
"LockedContent() failure", this));
return E_FAIL;
}
if (lockedContent.Text().Length() <= offset) {
// If the tentative caret is after the last character, let's return
// the last character's offset.
offset = lockedContent.Text().Length() - 1;
}
}
if (NS_WARN_IF(offset > LONG_MAX)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() FAILED due to out of "
"range of the result", this));
return TS_E_INVALIDPOINT;
}
*pacp = static_cast<LONG>(offset);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetACPFromPoint() succeeded: *pacp=%d",
this, *pacp));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetTextExt(TsViewCookie vcView,
LONG acpStart,
LONG acpEnd,
RECT* prc,
BOOL* pfClipped)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetTextExt(vcView=%ld, "
"acpStart=%ld, acpEnd=%ld, prc=0x%p, pfClipped=0x%p), "
"mDeferNotifyingTSF=%s, mWaitingQueryLayout=%s",
this, vcView, acpStart, acpEnd, prc, pfClipped,
GetBoolName(mDeferNotifyingTSF), GetBoolName(mWaitingQueryLayout)));
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!prc || !pfClipped) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (acpStart < 0 || acpEnd < acpStart) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"invalid position", this));
return TS_E_INVALIDPOS;
}
mWaitingQueryLayout = false;
// NOTE: TSF (at least on Win 8.1) doesn't return TS_E_NOLAYOUT to the
// caller even if we return it. It's converted to just E_FAIL.
// However, this is fixed on Win 10.
const TSFStaticSink* kSink = TSFStaticSink::GetInstance();
if (mComposition.IsComposing() && mComposition.mStart < acpEnd &&
mLockedContent.IsLayoutChangedAfter(acpEnd)) {
const Selection& currentSel = CurrentSelection();
// The bug of Microsoft Office IME 2010 for Japanese is similar to
// MS-IME for Win 8.1 and Win 10. Newer version of MS Office IME is not
// released yet. So, we can hack it without prefs because there must be
// no developers who want to disable this hack for tests.
const bool kIsMSOfficeJapaneseIME2010 =
kSink->IsMSOfficeJapaneseIME2010Active();
// MS IME for Japanese doesn't support asynchronous handling at deciding
// its suggest list window position. The feature was implemented
// starting from Windows 8. And also we may meet same trouble in e10s
// mode on Win7. So, we should never return TS_E_NOLAYOUT to MS IME for
// Japanese.
if (kIsMSOfficeJapaneseIME2010 ||
((sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar ||
sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret) &&
kSink->IsMSJapaneseIMEActive())) {
// Basically, MS-IME tries to retrieve whole composition string rect
// at deciding suggest window immediately after unlocking the document.
// However, in e10s mode, the content hasn't updated yet in most cases.
// Therefore, if the first character at the retrieving range rect is
// available, we should use it as the result.
if ((kIsMSOfficeJapaneseIME2010 ||
sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar) &&
!mLockedContent.IsLayoutChangedAfter(acpStart) &&
acpStart < acpEnd) {
acpEnd = acpStart;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetTextExt() hacked the offsets "
"of the first character of changing range of the composition "
"string for TIP acpStart=%d, acpEnd=%d",
this, acpStart, acpEnd));
}
// Although, the condition is not clear, MS-IME sometimes retrieves the
// caret rect immediately after modifying the composition string but
// before unlocking the document. In such case, we should return the
// nearest character rect.
else if ((kIsMSOfficeJapaneseIME2010 ||
sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret) &&
acpStart == acpEnd &&
currentSel.IsCollapsed() && currentSel.EndOffset() == acpEnd) {
acpEnd = acpStart = mLockedContent.MinOffsetOfLayoutChanged();
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetTextExt() hacked the offsets "
"of the caret of the composition string for TIP acpStart=%d, "
"acpEnd=%d", this, acpStart, acpEnd));
}
}
// Free ChangJie 2010 and Easy Changjei 1.0.12.0 doesn't handle
// ITfContextView::GetTextExt() properly. Prehaps, it's due to the bug of
// TSF. We need to check if this is necessary on Windows 10 before
// disabling this on Windows 10.
else if ((sDoNotReturnNoLayoutErrorToFreeChangJie &&
kSink->IsFreeChangJieActive()) ||
(sDoNotReturnNoLayoutErrorToEasyChangjei &&
kSink->IsEasyChangjeiActive())) {
acpEnd = mComposition.mStart;
acpStart = std::min(acpStart, acpEnd);
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetTextExt() hacked the offsets for "
"TIP acpStart=%d, acpEnd=%d", this, acpStart, acpEnd));
}
// Some Chinese TIPs of Microsoft doesn't show candidate window in e10s
// mode on Win8 or later.
else if (IsWin8OrLater() &&
((sDoNotReturnNoLayoutErrorToMSTraditionalTIP &&
(kSink->IsMSChangJieActive() ||
kSink->IsMSQuickQuickActive())) ||
(sDoNotReturnNoLayoutErrorToMSSimplifiedTIP &&
(kSink->IsMSPinyinActive() ||
kSink->IsMSWubiActive())))) {
acpEnd = mComposition.mStart;
acpStart = std::min(acpStart, acpEnd);
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetTextExt() hacked the offsets for "
"TIP acpStart=%d, acpEnd=%d", this, acpStart, acpEnd));
}
}
if (mLockedContent.IsLayoutChangedAfter(acpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() returned TS_E_NOLAYOUT "
"(acpEnd=%d)", this, acpEnd));
mHasReturnedNoLayoutError = true;
return TS_E_NOLAYOUT;
}
// use eQueryTextRect to get rect in system, screen coordinates
WidgetQueryContentEvent event(true, eQueryTextRect, mWidget);
mWidget->InitEvent(event);
event.InitForQueryTextRect(acpStart, acpEnd - acpStart);
DispatchEvent(event);
if (!event.mSucceeded) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"eQueryTextRect failure", this));
return TS_E_INVALIDPOS; // but unexpected failure, maybe.
}
// IMEs don't like empty rects, fix here
if (event.mReply.mRect.width <= 0)
event.mReply.mRect.width = 1;
if (event.mReply.mRect.height <= 0)
event.mReply.mRect.height = 1;
// convert to unclipped screen rect
nsWindow* refWindow = static_cast<nsWindow*>(
event.mReply.mFocusedWidget ? event.mReply.mFocusedWidget : mWidget);
// Result rect is in top level widget coordinates
refWindow = refWindow->GetTopLevelWindow(false);
if (!refWindow) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"no top level window", this));
return E_FAIL;
}
event.mReply.mRect.MoveBy(refWindow->WidgetToScreenOffset());
// get bounding screen rect to test for clipping
if (!GetScreenExtInternal(*prc)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetTextExt() FAILED due to "
"GetScreenExtInternal() failure", this));
return E_FAIL;
}
// clip text rect to bounding rect
RECT textRect;
::SetRect(&textRect, event.mReply.mRect.x, event.mReply.mRect.y,
event.mReply.mRect.XMost(), event.mReply.mRect.YMost());
if (!::IntersectRect(prc, prc, &textRect))
// Text is not visible
::SetRectEmpty(prc);
// not equal if text rect was clipped
*pfClipped = !::EqualRect(prc, &textRect);
// ATOK refers native caret position and size on Desktop applications for
// deciding candidate window. Therefore, we need to create native caret
// for hacking the bug.
if (sCreateNativeCaretForATOK && kSink->IsATOKActive() &&
mComposition.IsComposing() &&
mComposition.mStart <= acpStart && mComposition.EndOffset() >= acpStart &&
mComposition.mStart <= acpEnd && mComposition.EndOffset() >= acpEnd) {
CreateNativeCaret();
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetTextExt() succeeded: "
"*prc={ left=%ld, top=%ld, right=%ld, bottom=%ld }, *pfClipped=%s",
this, prc->left, prc->top, prc->right, prc->bottom,
GetBoolName(*pfClipped)));
return S_OK;
}
STDMETHODIMP
TSFTextStore::GetScreenExt(TsViewCookie vcView,
RECT* prc)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetScreenExt(vcView=%ld, prc=0x%p)",
this, vcView, prc));
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExt() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!prc) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (!GetScreenExtInternal(*prc)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExt() FAILED due to "
"GetScreenExtInternal() failure", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetScreenExt() succeeded: "
"*prc={ left=%ld, top=%ld, right=%ld, bottom=%ld }",
this, prc->left, prc->top, prc->right, prc->bottom));
return S_OK;
}
bool
TSFTextStore::GetScreenExtInternal(RECT& aScreenExt)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetScreenExtInternal()", this));
// use NS_QUERY_EDITOR_RECT to get rect in system, screen coordinates
WidgetQueryContentEvent event(true, eQueryEditorRect, mWidget);
mWidget->InitEvent(event);
DispatchEvent(event);
if (!event.mSucceeded) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExtInternal() FAILED due to "
"eQueryEditorRect failure", this));
return false;
}
nsWindow* refWindow = static_cast<nsWindow*>(
event.mReply.mFocusedWidget ?
event.mReply.mFocusedWidget : mWidget);
// Result rect is in top level widget coordinates
refWindow = refWindow->GetTopLevelWindow(false);
if (!refWindow) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExtInternal() FAILED due to "
"no top level window", this));
return false;
}
LayoutDeviceIntRect boundRect;
if (NS_FAILED(refWindow->GetClientBounds(boundRect))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExtInternal() FAILED due to "
"failed to get the client bounds", this));
return false;
}
boundRect.MoveTo(0, 0);
// Clip frame rect to window rect
boundRect.IntersectRect(event.mReply.mRect, boundRect);
if (!boundRect.IsEmpty()) {
boundRect.MoveBy(refWindow->WidgetToScreenOffset());
::SetRect(&aScreenExt, boundRect.x, boundRect.y,
boundRect.XMost(), boundRect.YMost());
} else {
::SetRectEmpty(&aScreenExt);
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::GetScreenExtInternal() succeeded: "
"aScreenExt={ left=%ld, top=%ld, right=%ld, bottom=%ld }",
this, aScreenExt.left, aScreenExt.top,
aScreenExt.right, aScreenExt.bottom));
return true;
}
STDMETHODIMP
TSFTextStore::GetWnd(TsViewCookie vcView,
HWND* phwnd)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetWnd(vcView=%ld, phwnd=0x%p), "
"mWidget=0x%p",
this, vcView, phwnd, mWidget.get()));
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetWnd() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!phwnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::GetScreenExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*phwnd = mWidget->GetWindowHandle();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::GetWnd() succeeded: *phwnd=0x%p",
this, static_cast<void*>(*phwnd)));
return S_OK;
}
STDMETHODIMP
TSFTextStore::InsertTextAtSelection(DWORD dwFlags,
const WCHAR* pchText,
ULONG cch,
LONG* pacpStart,
LONG* pacpEnd,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection(dwFlags=%s, "
"pchText=0x%p \"%s\", cch=%lu, pacpStart=0x%p, pacpEnd=0x%p, "
"pChange=0x%p), IsComposing()=%s",
this, dwFlags == 0 ? "0" :
dwFlags == TF_IAS_NOQUERY ? "TF_IAS_NOQUERY" :
dwFlags == TF_IAS_QUERYONLY ? "TF_IAS_QUERYONLY" : "Unknown",
pchText,
pchText && cch ? NS_ConvertUTF16toUTF8(pchText, cch).get() : "",
cch, pacpStart, pacpEnd, pChange,
GetBoolName(mComposition.IsComposing())));
if (cch && !pchText) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null pchText", this));
return E_INVALIDARG;
}
if (TS_IAS_QUERYONLY == dwFlags) {
if (!IsReadLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pacpStart || !pacpEnd) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
// Get selection first
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
// Simulate text insertion
*pacpStart = currentSel.StartOffset();
*pacpEnd = currentSel.EndOffset();
if (pChange) {
pChange->acpStart = currentSel.StartOffset();
pChange->acpOldEnd = currentSel.EndOffset();
pChange->acpNewEnd = currentSel.StartOffset() + static_cast<LONG>(cch);
}
} else {
if (!IsReadWriteLocked()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"not locked (read-write)", this));
return TS_E_NOLOCK;
}
if (!pChange) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null pChange", this));
return E_INVALIDARG;
}
if (TS_IAS_NOQUERY != dwFlags && (!pacpStart || !pacpEnd)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (!InsertTextAtSelectionInternal(nsDependentSubstring(pchText, cch),
pChange)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() FAILED due to "
"InsertTextAtSelectionInternal() failure", this));
return E_FAIL;
}
if (TS_IAS_NOQUERY != dwFlags) {
*pacpStart = pChange->acpStart;
*pacpEnd = pChange->acpNewEnd;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::InsertTextAtSelection() succeeded: "
"*pacpStart=%ld, *pacpEnd=%ld, "
"*pChange={ acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld })",
this, pacpStart ? *pacpStart : 0, pacpEnd ? *pacpEnd : 0,
pChange ? pChange->acpStart: 0, pChange ? pChange->acpOldEnd : 0,
pChange ? pChange->acpNewEnd : 0));
return S_OK;
}
bool
TSFTextStore::InsertTextAtSelectionInternal(const nsAString& aInsertStr,
TS_TEXTCHANGE* aTextChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::InsertTextAtSelectionInternal("
"aInsertStr=\"%s\", aTextChange=0x%p), IsComposing=%s",
this, NS_ConvertUTF16toUTF8(aInsertStr).get(), aTextChange,
GetBoolName(mComposition.IsComposing())));
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::InsertTextAtSelectionInternal() failed "
"due to LockedContent() failure()", this));
return false;
}
TS_SELECTION_ACP oldSelection = lockedContent.Selection().ACP();
if (!mComposition.IsComposing()) {
// Use a temporary composition to contain the text
PendingAction* compositionStart = mPendingActions.AppendElement();
compositionStart->mType = PendingAction::COMPOSITION_START;
compositionStart->mSelectionStart = oldSelection.acpStart;
compositionStart->mSelectionLength =
oldSelection.acpEnd - oldSelection.acpStart;
compositionStart->mAdjustSelection = false;
PendingAction* compositionEnd = mPendingActions.AppendElement();
compositionEnd->mType = PendingAction::COMPOSITION_END;
compositionEnd->mData = aInsertStr;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::InsertTextAtSelectionInternal() "
"appending pending compositionstart and compositionend... "
"PendingCompositionStart={ mSelectionStart=%d, "
"mSelectionLength=%d }, PendingCompositionEnd={ mData=\"%s\" "
"(Length()=%u) }",
this, compositionStart->mSelectionStart,
compositionStart->mSelectionLength,
NS_ConvertUTF16toUTF8(compositionEnd->mData).get(),
compositionEnd->mData.Length()));
}
lockedContent.ReplaceSelectedTextWith(aInsertStr);
if (aTextChange) {
aTextChange->acpStart = oldSelection.acpStart;
aTextChange->acpOldEnd = oldSelection.acpEnd;
aTextChange->acpNewEnd = lockedContent.Selection().EndOffset();
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::InsertTextAtSelectionInternal() "
"succeeded: mWidget=0x%p, mWidget->Destroyed()=%s, aTextChange={ "
"acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld }",
this, mWidget.get(),
GetBoolName(mWidget ? mWidget->Destroyed() : true),
aTextChange ? aTextChange->acpStart : 0,
aTextChange ? aTextChange->acpOldEnd : 0,
aTextChange ? aTextChange->acpNewEnd : 0));
return true;
}
STDMETHODIMP
TSFTextStore::InsertEmbeddedAtSelection(DWORD dwFlags,
IDataObject* pDataObject,
LONG* pacpStart,
LONG* pacpEnd,
TS_TEXTCHANGE* pChange)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::InsertEmbeddedAtSelection() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
HRESULT
TSFTextStore::RecordCompositionStartAction(ITfCompositionView* aComposition,
ITfRange* aRange,
bool aPreserveSelection)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction("
"aComposition=0x%p, aRange=0x%p, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, aComposition, aRange, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
LONG start = 0, length = 0;
HRESULT hr = GetRangeExtent(aRange, &start, &length);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
return RecordCompositionStartAction(aComposition, start, length,
aPreserveSelection);
}
HRESULT
TSFTextStore::RecordCompositionStartAction(ITfCompositionView* aComposition,
LONG aStart,
LONG aLength,
bool aPreserveSelection)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction("
"aComposition=0x%p, aStart=%d, aLength=%d, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, aComposition, aStart, aLength, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction() FAILED "
"due to LockedContent() failure", this));
return E_FAIL;
}
CompleteLastActionIfStillIncomplete();
// TIP may have inserted text at selection before calling
// OnStartComposition(). In this case, we've already created a pair of
// pending compositionstart and pending compositionend. If the pending
// compositionstart occurred same range as this composition, it was the
// start of this composition. In such case, we should cancel the pending
// compositionend and start composition normally.
if (!aPreserveSelection &&
WasTextInsertedWithoutCompositionAt(aStart, aLength)) {
const PendingAction& pendingCompositionEnd = mPendingActions.LastElement();
const PendingAction& pendingCompositionStart =
mPendingActions[mPendingActions.Length() - 2];
lockedContent.RestoreCommittedComposition(
aComposition, pendingCompositionStart, pendingCompositionEnd);
mPendingActions.RemoveElementAt(mPendingActions.Length() - 1);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction() "
"succeeded: restoring the committed string as composing string, "
"mComposition={ mStart=%ld, mString.Length()=%ld, "
"mSelection={ acpStart=%ld, acpEnd=%ld, style.ase=%s, "
"style.fInterimChar=%s } }",
this, mComposition.mStart, mComposition.mString.Length(),
mSelection.StartOffset(), mSelection.EndOffset(),
GetActiveSelEndName(mSelection.ActiveSelEnd()),
GetBoolName(mSelection.IsInterimChar())));
return S_OK;
}
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_START;
action->mSelectionStart = aStart;
action->mSelectionLength = aLength;
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction() FAILED "
"due to CurrentSelection() failure", this));
action->mAdjustSelection = true;
} else if (currentSel.MinOffset() != aStart ||
currentSel.MaxOffset() != aStart + aLength) {
// If new composition range is different from current selection range,
// we need to set selection before dispatching compositionstart event.
action->mAdjustSelection = true;
} else {
// We shouldn't dispatch selection set event before dispatching
// compositionstart event because it may cause put caret different
// position in HTML editor since generated flat text content and offset in
// it are lossy data of HTML contents.
action->mAdjustSelection = false;
}
lockedContent.StartComposition(aComposition, *action, aPreserveSelection);
action->mData = mComposition.mString;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RecordCompositionStartAction() succeeded: "
"mComposition={ mStart=%ld, mString.Length()=%ld, "
"mSelection={ acpStart=%ld, acpEnd=%ld, style.ase=%s, "
"style.fInterimChar=%s } }",
this, mComposition.mStart, mComposition.mString.Length(),
mSelection.StartOffset(), mSelection.EndOffset(),
GetActiveSelEndName(mSelection.ActiveSelEnd()),
GetBoolName(mSelection.IsInterimChar())));
return S_OK;
}
HRESULT
TSFTextStore::RecordCompositionEndAction()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::RecordCompositionEndAction(), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
MOZ_ASSERT(mComposition.IsComposing());
CompleteLastActionIfStillIncomplete();
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_END;
action->mData = mComposition.mString;
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::RecordCompositionEndAction() FAILED due "
"to LockedContent() failure", this));
return E_FAIL;
}
lockedContent.EndComposition(*action);
// If this composition was restart but the composition doesn't modify
// anything, we should remove the pending composition for preventing to
// dispatch redundant composition events.
for (size_t i = mPendingActions.Length(), j = 1; i > 0; --i, ++j) {
PendingAction& pendingAction = mPendingActions[i - 1];
if (pendingAction.mType == PendingAction::COMPOSITION_START) {
if (pendingAction.mData != action->mData) {
break;
}
// When only setting selection is necessary, we should append it.
if (pendingAction.mAdjustSelection) {
PendingAction* setSelection = mPendingActions.AppendElement();
setSelection->mType = PendingAction::SET_SELECTION;
setSelection->mSelectionStart = pendingAction.mSelectionStart;
setSelection->mSelectionLength = pendingAction.mSelectionLength;
setSelection->mSelectionReversed = false;
}
// Remove the redundant pending composition.
mPendingActions.RemoveElementsAt(i - 1, j);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RecordCompositionEndAction(), "
"succeeded, but the composition was canceled due to redundant",
this));
return S_OK;
}
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::RecordCompositionEndAction(), succeeded",
this));
return S_OK;
}
STDMETHODIMP
TSFTextStore::OnStartComposition(ITfCompositionView* pComposition,
BOOL* pfOk)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnStartComposition(pComposition=0x%p, "
"pfOk=0x%p), mComposition.mView=0x%p",
this, pComposition, pfOk, mComposition.mView.get()));
AutoPendingActionAndContentFlusher flusher(this);
*pfOk = FALSE;
// Only one composition at a time
if (mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnStartComposition() FAILED due to "
"there is another composition already (but returns S_OK)", this));
return S_OK;
}
RefPtr<ITfRange> range;
HRESULT hr = pComposition->GetRange(getter_AddRefs(range));
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnStartComposition() FAILED due to "
"pComposition->GetRange() failure", this));
return hr;
}
hr = RecordCompositionStartAction(pComposition, range, false);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnStartComposition() FAILED due to "
"RecordCompositionStartAction() failure", this));
return hr;
}
*pfOk = TRUE;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnStartComposition() succeeded", this));
return S_OK;
}
STDMETHODIMP
TSFTextStore::OnUpdateComposition(ITfCompositionView* pComposition,
ITfRange* pRangeNew)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnUpdateComposition(pComposition=0x%p, "
"pRangeNew=0x%p), mComposition.mView=0x%p",
this, pComposition, pRangeNew, mComposition.mView.get()));
AutoPendingActionAndContentFlusher flusher(this);
if (!mDocumentMgr || !mContext) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"not ready for the composition", this));
return E_UNEXPECTED;
}
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"no active composition", this));
return E_UNEXPECTED;
}
if (mComposition.mView != pComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"different composition view specified", this));
return E_UNEXPECTED;
}
// pRangeNew is null when the update is not complete
if (!pRangeNew) {
PendingAction* action = LastOrNewPendingCompositionUpdate();
action->mIncomplete = true;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() succeeded but "
"not complete", this));
return S_OK;
}
HRESULT hr = RestartCompositionIfNecessary(pRangeNew);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"RestartCompositionIfNecessary() failure", this));
return hr;
}
hr = RecordCompositionUpdateAction();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"RecordCompositionUpdateAction() failure", this));
return hr;
}
if (MOZ_LOG_TEST(sTextStoreLog, LogLevel::Info)) {
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnUpdateComposition() succeeded: "
"mComposition={ mStart=%ld, mString=\"%s\" }, "
"CurrentSelection()={ acpStart=%ld, acpEnd=%ld, style.ase=%s }",
this, mComposition.mStart,
NS_ConvertUTF16toUTF8(mComposition.mString).get(),
currentSel.StartOffset(), currentSel.EndOffset(),
GetActiveSelEndName(currentSel.ActiveSelEnd())));
}
return S_OK;
}
STDMETHODIMP
TSFTextStore::OnEndComposition(ITfCompositionView* pComposition)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnEndComposition(pComposition=0x%p), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, pComposition, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
AutoPendingActionAndContentFlusher flusher(this);
if (!mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnEndComposition() FAILED due to "
"no active composition", this));
return E_UNEXPECTED;
}
if (mComposition.mView != pComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnEndComposition() FAILED due to "
"different composition view specified", this));
return E_UNEXPECTED;
}
HRESULT hr = RecordCompositionEndAction();
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::OnEndComposition() FAILED due to "
"RecordCompositionEndAction() failure", this));
return hr;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnEndComposition(), succeeded", this));
return S_OK;
}
STDMETHODIMP
TSFTextStore::AdviseMouseSink(ITfRangeACP* range,
ITfMouseSink* pSink,
DWORD* pdwCookie)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::AdviseMouseSink(range=0x%p, pSink=0x%p, "
"pdwCookie=0x%p)", this, range, pSink, pdwCookie));
if (!pdwCookie) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseMouseSink() FAILED due to the "
"pdwCookie is null", this));
return E_INVALIDARG;
}
// Initialize the result with invalid cookie for safety.
*pdwCookie = MouseTracker::kInvalidCookie;
if (!range) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseMouseSink() FAILED due to the "
"range is null", this));
return E_INVALIDARG;
}
if (!pSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseMouseSink() FAILED due to the "
"pSink is null", this));
return E_INVALIDARG;
}
// Looking for an unusing tracker.
MouseTracker* tracker = nullptr;
for (size_t i = 0; i < mMouseTrackers.Length(); i++) {
if (mMouseTrackers[i].IsUsing()) {
continue;
}
tracker = &mMouseTrackers[i];
}
// If there is no unusing tracker, create new one.
// XXX Should we make limitation of the number of installs?
if (!tracker) {
tracker = mMouseTrackers.AppendElement();
HRESULT hr = tracker->Init(this);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseMouseSink() FAILED due to "
"failure of MouseTracker::Init()", this));
return hr;
}
}
HRESULT hr = tracker->AdviseSink(this, range, pSink);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::AdviseMouseSink() FAILED due to failure "
"of MouseTracker::Init()", this));
return hr;
}
*pdwCookie = tracker->Cookie();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::AdviseMouseSink(), succeeded, "
"*pdwCookie=%d", this, *pdwCookie));
return S_OK;
}
STDMETHODIMP
TSFTextStore::UnadviseMouseSink(DWORD dwCookie)
{
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::UnadviseMouseSink(dwCookie=%d)",
this, dwCookie));
if (dwCookie == MouseTracker::kInvalidCookie) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::UnadviseMouseSink() FAILED due to "
"the cookie is invalid value", this));
return E_INVALIDARG;
}
// The cookie value must be an index of mMouseTrackers.
// We can use this shortcut for now.
if (static_cast<size_t>(dwCookie) >= mMouseTrackers.Length()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::UnadviseMouseSink() FAILED due to "
"the cookie is too large value", this));
return E_INVALIDARG;
}
MouseTracker& tracker = mMouseTrackers[dwCookie];
if (!tracker.IsUsing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::UnadviseMouseSink() FAILED due to "
"the found tracker uninstalled already", this));
return E_INVALIDARG;
}
tracker.UnadviseSink();
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::UnadviseMouseSink(), succeeded", this));
return S_OK;
}
// static
nsresult
TSFTextStore::OnFocusChange(bool aGotFocus,
nsWindowBase* aFocusedWidget,
const InputContext& aContext)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::OnFocusChange(aGotFocus=%s, "
"aFocusedWidget=0x%p, aContext={ mIMEState={ mEnabled=%s }, "
"mHTMLInputType=\"%s\" }), "
"sThreadMgr=0x%p, sEnabledTextStore=0x%p",
GetBoolName(aGotFocus), aFocusedWidget,
GetIMEEnabledName(aContext.mIMEState.mEnabled),
NS_ConvertUTF16toUTF8(aContext.mHTMLInputType).get(),
sThreadMgr.get(), sEnabledTextStore.get()));
if (NS_WARN_IF(!IsInTSFMode())) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<ITfDocumentMgr> prevFocusedDocumentMgr;
// If currently sEnableTextStore has focus, notifies TSF of losing focus.
if (ThinksHavingFocus()) {
DebugOnly<HRESULT> hr =
sThreadMgr->AssociateFocus(
sEnabledTextStore->mWidget->GetWindowHandle(),
nullptr, getter_AddRefs(prevFocusedDocumentMgr));
NS_ASSERTION(SUCCEEDED(hr), "Disassociating focus failed");
NS_ASSERTION(prevFocusedDocumentMgr == sEnabledTextStore->mDocumentMgr,
"different documentMgr has been associated with the window");
}
// If there is sEnabledTextStore, we don't use it in the new focused editor.
// Release it now.
if (sEnabledTextStore) {
sEnabledTextStore->Destroy();
sEnabledTextStore = nullptr;
}
// If this is a notification of blur, move focus to the dummy document
// manager.
if (!aGotFocus || !aContext.mIMEState.IsEditable()) {
HRESULT hr = sThreadMgr->SetFocus(sDisabledDocumentMgr);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::OnFocusChange() FAILED due to "
"ITfThreadMgr::SetFocus() failure"));
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// If an editor is getting focus, create new TextStore and set focus.
if (NS_WARN_IF(!CreateAndSetFocus(aFocusedWidget, aContext))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::OnFocusChange() FAILED due to "
"ITfThreadMgr::CreateAndSetFocus() failure"));
// If setting focus, we should destroy the TextStore completely because
// it causes memory leak.
if (sEnabledTextStore) {
sEnabledTextStore->Destroy();
sEnabledTextStore = nullptr;
}
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// static
bool
TSFTextStore::CreateAndSetFocus(nsWindowBase* aFocusedWidget,
const InputContext& aContext)
{
// TSF might do something which causes that we need to access static methods
// of TSFTextStore. At that time, sEnabledTextStore may be necessary.
// So, we should set sEnabledTextStore directly.
sEnabledTextStore = new TSFTextStore();
if (NS_WARN_IF(!sEnabledTextStore->Init(aFocusedWidget))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CreateAndSetFocus() FAILED due to "
"TSFTextStore::Init() failure"));
return false;
}
if (NS_WARN_IF(!sEnabledTextStore->mDocumentMgr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CreateAndSetFocus() FAILED due to "
"invalid TSFTextStore::mDocumentMgr"));
return false;
}
if (aContext.mIMEState.mEnabled == IMEState::PASSWORD) {
MarkContextAsKeyboardDisabled(sEnabledTextStore->mContext);
RefPtr<ITfContext> topContext;
sEnabledTextStore->mDocumentMgr->GetTop(getter_AddRefs(topContext));
if (topContext && topContext != sEnabledTextStore->mContext) {
MarkContextAsKeyboardDisabled(topContext);
}
}
HRESULT hr = sThreadMgr->SetFocus(sEnabledTextStore->mDocumentMgr);
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CreateAndSetFocus() FAILED due to "
"ITfTheadMgr::SetFocus() failure"));
return false;
}
// Use AssociateFocus() for ensuring that any native focus event
// never steal focus from our documentMgr.
RefPtr<ITfDocumentMgr> prevFocusedDocumentMgr;
hr = sThreadMgr->AssociateFocus(aFocusedWidget->GetWindowHandle(),
sEnabledTextStore->mDocumentMgr,
getter_AddRefs(prevFocusedDocumentMgr));
if (NS_WARN_IF(FAILED(hr))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CreateAndSetFocus() FAILED due to "
"ITfTheadMgr::AssociateFocus() failure"));
return false;
}
sEnabledTextStore->SetInputScope(aContext.mHTMLInputType);
if (sEnabledTextStore->mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: TSFTextStore::CreateAndSetFocus(), calling "
"ITextStoreACPSink::OnLayoutChange(TS_LC_CREATE) for 0x%p...",
sEnabledTextStore.get()));
sEnabledTextStore->mSink->OnLayoutChange(TS_LC_CREATE,
TEXTSTORE_DEFAULT_VIEW);
}
return true;
}
// static
nsIMEUpdatePreference
TSFTextStore::GetIMEUpdatePreference()
{
if (sThreadMgr && sEnabledTextStore && sEnabledTextStore->mDocumentMgr) {
RefPtr<ITfDocumentMgr> docMgr;
sThreadMgr->GetFocus(getter_AddRefs(docMgr));
if (docMgr == sEnabledTextStore->mDocumentMgr) {
nsIMEUpdatePreference updatePreference(
nsIMEUpdatePreference::NOTIFY_SELECTION_CHANGE |
nsIMEUpdatePreference::NOTIFY_TEXT_CHANGE |
nsIMEUpdatePreference::NOTIFY_POSITION_CHANGE |
nsIMEUpdatePreference::NOTIFY_MOUSE_BUTTON_EVENT_ON_CHAR |
nsIMEUpdatePreference::NOTIFY_DURING_DEACTIVE);
// TSFTextStore shouldn't notify TSF of selection change and text change
// which are caused by composition.
updatePreference.DontNotifyChangesCausedByComposition();
return updatePreference;
}
}
return nsIMEUpdatePreference();
}
nsresult
TSFTextStore::OnTextChangeInternal(const IMENotification& aIMENotification)
{
const IMENotification::TextChangeDataBase& textChangeData =
aIMENotification.mTextChangeData;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::OnTextChangeInternal(aIMENotification={ "
"mMessage=0x%08X, mTextChangeData={ mStartOffset=%lu, "
"mRemovedEndOffset=%lu, mAddedEndOffset=%lu, "
"mCausedOnlyByComposition=%s, "
"mIncludingChangesDuringComposition=%s, "
"mIncludingChangesWithoutComposition=%s }), "
"mSink=0x%p, mSinkMask=%s, mComposition.IsComposing()=%s",
this, aIMENotification.mMessage,
textChangeData.mStartOffset,
textChangeData.mRemovedEndOffset,
textChangeData.mAddedEndOffset,
GetBoolName(textChangeData.mCausedOnlyByComposition),
GetBoolName(textChangeData.mIncludingChangesDuringComposition),
GetBoolName(textChangeData.mIncludingChangesWithoutComposition),
mSink.get(),
GetSinkMaskNameStr(mSinkMask).get(),
GetBoolName(mComposition.IsComposing())));
if (textChangeData.mCausedOnlyByComposition) {
// Ignore text change notifications caused only by composition since it's
// already been handled internally.
return NS_OK;
}
if (mComposition.IsComposing() &&
!textChangeData.mIncludingChangesDuringComposition) {
// Ignore text changes when they don't include changes caused not by
// composition at the latest composition because changes before current
// composition start shouldn't cause forcibly committing composition.
// In the future, we should notify TSF of such delayed text changes
// after current composition is active (In such case,
// mIncludingChangesWithoutComposition is true).
return NS_OK;
}
mDeferNotifyingTSF = false;
if (IsReadLocked()) {
// XXX If text change occurs during the document is locked, it must be
// modified by Javascript. In such case, we should notify merged
// text changes after it's unlocked.
return NS_OK;
}
mSelection.MarkDirty();
if (!mSink || !(mSinkMask & TS_AS_TEXT_CHANGE)) {
return NS_OK;
}
if (aIMENotification.mTextChangeData.IsInInt32Range()) {
TS_TEXTCHANGE textChange;
textChange.acpStart = static_cast<LONG>(textChangeData.mStartOffset);
textChange.acpOldEnd = static_cast<LONG>(textChangeData.mRemovedEndOffset);
textChange.acpNewEnd = static_cast<LONG>(textChangeData.mAddedEndOffset);
NotifyTSFOfTextChange(textChange);
} else {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::NotifyTSFOfTextChange() FAILED due to "
"offset is too big for calling "
"ITextStoreACPSink::OnTextChange()...",
this));
}
MaybeFlushPendingNotifications();
return NS_OK;
}
void
TSFTextStore::NotifyTSFOfTextChange(const TS_TEXTCHANGE& aTextChange)
{
// XXX We need to cache the text change ranges and notify TSF of that
// the document is unlocked.
if (NS_WARN_IF(IsReadLocked())) {
return;
}
// Some TIPs are confused by text change notification during composition.
// Especially, some of them stop working for composition in our process.
// For preventing it, let's commit the composition.
if (mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfTextChange(), "
"committing the composition for avoiding making TIP confused...",
this));
CommitCompositionInternal(false);
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfTextChange(), calling "
"ITextStoreACPSink::OnTextChange(0, { acpStart=%ld, acpOldEnd=%ld, "
"acpNewEnd=%ld })...", this, aTextChange.acpStart,
aTextChange.acpOldEnd, aTextChange.acpNewEnd));
mSink->OnTextChange(0, &aTextChange);
}
nsresult
TSFTextStore::OnSelectionChangeInternal(const IMENotification& aIMENotification)
{
const IMENotification::SelectionChangeDataBase& selectionChangeData =
aIMENotification.mSelectionChangeData;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::OnSelectionChangeInternal("
"aIMENotification={ mSelectionChangeData={ mOffset=%lu, "
"Length()=%lu, mReversed=%s, mWritingMode=%s, "
"mCausedByComposition=%s, mCausedBySelectionEvent=%s, "
"mOccurredDuringComposition=%s } }), "
"mSink=0x%p, mSinkMask=%s, mIsRecordingActionsWithoutLock=%s, "
"mComposition.IsComposing()=%s",
this, selectionChangeData.mOffset, selectionChangeData.Length(),
GetBoolName(selectionChangeData.mReversed),
GetWritingModeName(selectionChangeData.GetWritingMode()).get(),
GetBoolName(selectionChangeData.mCausedByComposition),
GetBoolName(selectionChangeData.mCausedBySelectionEvent),
GetBoolName(selectionChangeData.mOccurredDuringComposition),
mSink.get(), GetSinkMaskNameStr(mSinkMask).get(),
GetBoolName(mIsRecordingActionsWithoutLock),
GetBoolName(mComposition.IsComposing())));
if (selectionChangeData.mCausedByComposition) {
// Ignore selection change notifications caused by composition since it's
// already been handled internally.
return NS_OK;
}
mDeferNotifyingTSF = false;
// A compositionstart event handler can change selection before actually
// starting composition in the editor. This causes very complicated issue
// because TSF requests to lock the document but we allow to change the
// selection for web apps for keeping compatibility.
// For now, we should not send selection change notification until the
// active composition ends. However, this causes TSF stores wrong selection
// offset. That might cause TSF stopping working. So, at next change,
// we should cache content *until* composition end. Then, we will solve
// this issue.
if (mComposition.IsComposing() &&
!selectionChangeData.mOccurredDuringComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("TSF: 0x%p TSFTextStore::OnSelectionChangeInternal(), WARNING, "
"ignoring selection change notification which occurred before "
"composition start.", this));
return NS_OK;
}
mSelection.SetSelection(
selectionChangeData.mOffset,
selectionChangeData.Length(),
selectionChangeData.mReversed,
selectionChangeData.GetWritingMode());
if (!selectionChangeData.mCausedBySelectionEvent) {
// Should be notified via MaybeFlushPendingNotifications() for keeping
// the order of change notifications.
mPendingOnSelectionChange = true;
if (mIsRecordingActionsWithoutLock) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnSelectionChangeInternal(), putting "
"off notifying TSF of selection change...", this));
return NS_OK;
}
} else {
// If the selection change is caused by setting selection range, we don't
// need to notify that. Additionally, even if there is pending selection
// change notification, we don't need to notify that since the selection
// range is changed as expected by TSF or TIP.
mPendingOnSelectionChange = false;
}
// Flush remaining pending notifications here if it's possible.
MaybeFlushPendingNotifications();
return NS_OK;
}
void
TSFTextStore::NotifyTSFOfSelectionChange()
{
if (NS_WARN_IF(IsReadLocked())) {
return;
}
mPendingOnSelectionChange = false;
if (!mSink || !(mSinkMask & TS_AS_SEL_CHANGE)) {
return;
}
// Some TIPs are confused by selection change notification during composition.
// Especially, some of them stop working for composition in our process.
// For preventing it, let's commit the composition.
if (mComposition.IsComposing()) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfSelectionChange(), "
"committing the composition for avoiding making TIP confused...",
this));
CommitCompositionInternal(false);
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfSelectionChange(), calling "
"ITextStoreACPSink::OnSelectionChange()...", this));
mSink->OnSelectionChange();
}
nsresult
TSFTextStore::OnLayoutChangeInternal()
{
NS_ENSURE_TRUE(mContext, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(mSink, NS_ERROR_FAILURE);
mDeferNotifyingTSF = false;
nsresult rv = NS_OK;
// We need to notify TSF of layout change even if the document is locked.
// So, don't use MaybeFlushPendingNotifications() for flushing pending
// layout change.
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::OnLayoutChangeInternal(), calling "
"NotifyTSFOfLayoutChange()...", this));
if (NS_WARN_IF(!NotifyTSFOfLayoutChange())) {
rv = NS_ERROR_FAILURE;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::OnLayoutChangeInternal(), calling "
"MaybeFlushPendingNotifications()...", this));
MaybeFlushPendingNotifications();
return rv;
}
bool
TSFTextStore::NotifyTSFOfLayoutChange()
{
// If we're waiting a query of layout information from TIP, it means that
// we've returned TS_E_NOLAYOUT error.
bool returnedNoLayoutError =
mHasReturnedNoLayoutError || mWaitingQueryLayout;
// If we returned TS_E_NOLAYOUT, TIP should query the computed layout again.
mWaitingQueryLayout = returnedNoLayoutError;
// For avoiding to call this method again at unlocking the document during
// calls of OnLayoutChange(), reset mHasReturnedNoLayoutError.
mHasReturnedNoLayoutError = false;
// Now, layout has been computed. We should notify mLockedContent for
// making GetTextExt() and GetACPFromPoint() not return TS_E_NOLAYOUT.
if (mLockedContent.IsInitialized()) {
mLockedContent.OnLayoutChanged();
}
// Now, the caret position is different from ours. Destroy the native caret
// if there is.
MaybeDestroyNativeCaret();
// This method should return true if either way succeeds.
bool ret = true;
if (mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"calling ITextStoreACPSink::OnLayoutChange()...",
this));
HRESULT hr = mSink->OnLayoutChange(TS_LC_CHANGE, TEXTSTORE_DEFAULT_VIEW);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"called ITextStoreACPSink::OnLayoutChange()",
this));
ret = SUCCEEDED(hr);
}
// The layout change caused by composition string change should cause
// calling ITfContextOwnerServices::OnLayoutChange() too.
if (returnedNoLayoutError && mContext) {
RefPtr<ITfContextOwnerServices> service;
mContext->QueryInterface(IID_ITfContextOwnerServices,
getter_AddRefs(service));
if (service) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"calling ITfContextOwnerServices::OnLayoutChange()...",
this));
HRESULT hr = service->OnLayoutChange();
ret = ret && SUCCEEDED(hr);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"called ITfContextOwnerServices::OnLayoutChange()",
this));
}
}
if (!mWidget || mWidget->Destroyed()) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"the widget is destroyed during calling OnLayoutChange()",
this));
return ret;
}
if (mDestroyed) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"the TSFTextStore instance is destroyed during calling "
"OnLayoutChange()",
this));
return ret;
}
// If we returned TS_E_NOLAYOUT again, we need another call of
// OnLayoutChange() later. So, let's wait a query from TIP.
if (mHasReturnedNoLayoutError) {
mWaitingQueryLayout = true;
}
if (!mWaitingQueryLayout) {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"succeeded notifying TIP of our layout change",
this));
return ret;
}
// If we believe that TIP needs to retry to retrieve our layout information
// later, we should call it with ::PostMessage() hack.
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChange(), "
"posing MOZ_WM_NOTIY_TSF_OF_LAYOUT_CHANGE for calling "
"OnLayoutChange() again...", this));
::PostMessage(mWidget->GetWindowHandle(),
MOZ_WM_NOTIY_TSF_OF_LAYOUT_CHANGE,
reinterpret_cast<WPARAM>(this), 0);
return true;
}
void
TSFTextStore::NotifyTSFOfLayoutChangeAgain()
{
// Before preforming this method, TIP has accessed our layout information by
// itself. In such case, we don't need to call OnLayoutChange() anymore.
if (!mWaitingQueryLayout) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChangeAgain(), "
"calling NotifyTSFOfLayoutChange()...", this));
NotifyTSFOfLayoutChange();
// If TIP didn't retrieved our layout information during a call of
// NotifyTSFOfLayoutChange(), it means that the TIP already gave up to
// retry to retrieve layout information or doesn't necessary it anymore.
// But don't forget that the call may have caused returning TS_E_NOLAYOUT
// error again. In such case we still need to call OnLayoutChange() later.
if (!mHasReturnedNoLayoutError && mWaitingQueryLayout) {
mWaitingQueryLayout = false;
MOZ_LOG(sTextStoreLog, LogLevel::Warning,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChangeAgain(), "
"called NotifyTSFOfLayoutChange() but TIP didn't retry to "
"retrieve the layout information", this));
} else {
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::NotifyTSFOfLayoutChangeAgain(), "
"called NotifyTSFOfLayoutChange()", this));
}
}
nsresult
TSFTextStore::OnUpdateCompositionInternal()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::OnUpdateCompositionInternal(), "
"mDeferNotifyingTSF=%s",
this, GetBoolName(mDeferNotifyingTSF)));
// Now, all sent composition events are handled by the content even in
// e10s mode.
mDeferClearingLockedContent = false;
mDeferNotifyingTSF = false;
MaybeFlushPendingNotifications();
return NS_OK;
}
nsresult
TSFTextStore::OnMouseButtonEventInternal(
const IMENotification& aIMENotification)
{
if (mMouseTrackers.IsEmpty()) {
return NS_OK;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::OnMouseButtonEventInternal("
"aIMENotification={ mEventMessage=%s, mOffset=%u, mCursorPos={ "
"mX=%d, mY=%d }, mCharRect={ mX=%d, mY=%d, mWidth=%d, mHeight=%d }, "
"mButton=%s, mButtons=%s, mModifiers=%s })",
this, ToChar(aIMENotification.mMouseButtonEventData.mEventMessage),
aIMENotification.mMouseButtonEventData.mOffset,
aIMENotification.mMouseButtonEventData.mCursorPos.mX,
aIMENotification.mMouseButtonEventData.mCursorPos.mY,
aIMENotification.mMouseButtonEventData.mCharRect.mX,
aIMENotification.mMouseButtonEventData.mCharRect.mY,
aIMENotification.mMouseButtonEventData.mCharRect.mWidth,
aIMENotification.mMouseButtonEventData.mCharRect.mHeight,
GetMouseButtonName(aIMENotification.mMouseButtonEventData.mButton),
GetMouseButtonsName(
aIMENotification.mMouseButtonEventData.mButtons).get(),
GetModifiersName(
aIMENotification.mMouseButtonEventData.mModifiers).get()));
uint32_t offset = aIMENotification.mMouseButtonEventData.mOffset;
nsIntRect charRect =
aIMENotification.mMouseButtonEventData.mCharRect.AsIntRect();
nsIntPoint cursorPos =
aIMENotification.mMouseButtonEventData.mCursorPos.AsIntPoint();
ULONG quadrant = 1;
if (charRect.width > 0) {
int32_t cursorXInChar = cursorPos.x - charRect.x;
quadrant = cursorXInChar * 4 / charRect.width;
quadrant = (quadrant + 2) % 4;
}
ULONG edge = quadrant < 2 ? offset + 1 : offset;
DWORD buttonStatus = 0;
bool isMouseUp =
aIMENotification.mMouseButtonEventData.mEventMessage == eMouseUp;
if (!isMouseUp) {
switch (aIMENotification.mMouseButtonEventData.mButton) {
case WidgetMouseEventBase::eLeftButton:
buttonStatus = MK_LBUTTON;
break;
case WidgetMouseEventBase::eMiddleButton:
buttonStatus = MK_MBUTTON;
break;
case WidgetMouseEventBase::eRightButton:
buttonStatus = MK_RBUTTON;
break;
}
}
if (aIMENotification.mMouseButtonEventData.mModifiers & MODIFIER_CONTROL) {
buttonStatus |= MK_CONTROL;
}
if (aIMENotification.mMouseButtonEventData.mModifiers & MODIFIER_SHIFT) {
buttonStatus |= MK_SHIFT;
}
for (size_t i = 0; i < mMouseTrackers.Length(); i++) {
MouseTracker& tracker = mMouseTrackers[i];
if (!tracker.IsUsing() || !tracker.InRange(offset)) {
continue;
}
if (tracker.OnMouseButtonEvent(edge - tracker.RangeStart(),
quadrant, buttonStatus)) {
return NS_SUCCESS_EVENT_CONSUMED;
}
}
return NS_OK;
}
void
TSFTextStore::CreateNativeCaret()
{
MaybeDestroyNativeCaret();
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::CreateNativeCaret(), "
"mComposition.IsComposing()=%s",
this, GetBoolName(mComposition.IsComposing())));
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"CurrentSelection() failure", this));
return;
}
// XXX If this is called without composition and the selection isn't
// collapsed, is it OK?
uint32_t caretOffset = currentSel.MaxOffset();
WidgetQueryContentEvent queryCaretRect(true, eQueryCaretRect, mWidget);
queryCaretRect.InitForQueryCaretRect(caretOffset);
mWidget->InitEvent(queryCaretRect);
DispatchEvent(queryCaretRect);
if (!queryCaretRect.mSucceeded) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"eQueryCaretRect failure (offset=%d)", this, caretOffset));
return;
}
LayoutDeviceIntRect& caretRect = queryCaretRect.mReply.mRect;
mNativeCaretIsCreated = ::CreateCaret(mWidget->GetWindowHandle(), nullptr,
caretRect.width, caretRect.height);
if (!mNativeCaretIsCreated) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"CreateCaret() failure", this));
return;
}
nsWindow* window = static_cast<nsWindow*>(mWidget.get());
nsWindow* toplevelWindow = window->GetTopLevelWindow(false);
if (!toplevelWindow) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::CreateNativeCaret() FAILED due to "
"no top level window", this));
return;
}
if (toplevelWindow != window) {
caretRect.MoveBy(toplevelWindow->WidgetToScreenOffset());
caretRect.MoveBy(-window->WidgetToScreenOffset());
}
::SetCaretPos(caretRect.x, caretRect.y);
}
void
TSFTextStore::MaybeDestroyNativeCaret()
{
if (!mNativeCaretIsCreated) {
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MaybeDestroyNativeCaret(), "
"destroying native caret", this));
::DestroyCaret();
mNativeCaretIsCreated = false;
}
void
TSFTextStore::CommitCompositionInternal(bool aDiscard)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::CommitCompositionInternal(aDiscard=%s), "
"mSink=0x%p, mContext=0x%p, mComposition.mView=0x%p, "
"mComposition.mString=\"%s\"",
this, GetBoolName(aDiscard), mSink.get(), mContext.get(),
mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
// If the document is locked, TSF will fail to commit composition since
// TSF needs another document lock. So, let's put off the request.
// Note that TextComposition will commit composition in the focused editor
// with the latest composition string for web apps and waits asynchronous
// committing messages. Therefore, we can and need to perform this
// asynchronously.
if (IsReadLocked()) {
if (mDeferCommittingComposition || mDeferCancellingComposition) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::CommitCompositionInternal(), "
"does nothing because already called and waiting unlock...", this));
return;
}
if (aDiscard) {
mDeferCancellingComposition = true;
} else {
mDeferCommittingComposition = true;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::CommitCompositionInternal(), "
"putting off to request to %s composition after unlocking the document",
this, aDiscard ? "cancel" : "commit"));
return;
}
if (mComposition.IsComposing() && aDiscard) {
LONG endOffset = mComposition.EndOffset();
mComposition.mString.Truncate(0);
if (mSink) {
TS_TEXTCHANGE textChange;
textChange.acpStart = mComposition.mStart;
textChange.acpOldEnd = endOffset;
textChange.acpNewEnd = mComposition.mStart;
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: 0x%p TSFTextStore::CommitCompositionInternal(), calling"
"mSink->OnTextChange(0, { acpStart=%ld, acpOldEnd=%ld, "
"acpNewEnd=%ld })...", this, textChange.acpStart,
textChange.acpOldEnd, textChange.acpNewEnd));
mSink->OnTextChange(0, &textChange);
}
}
// Terminate two contexts, the base context (mContext) and the top
// if the top context is not the same as the base context
RefPtr<ITfContext> context = mContext;
do {
if (context) {
RefPtr<ITfContextOwnerCompositionServices> services;
context->QueryInterface(IID_ITfContextOwnerCompositionServices,
getter_AddRefs(services));
if (services) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::CommitCompositionInternal(), "
"requesting TerminateComposition() for the context 0x%p...",
this, context.get()));
services->TerminateComposition(nullptr);
}
}
if (context != mContext)
break;
if (mDocumentMgr)
mDocumentMgr->GetTop(getter_AddRefs(context));
} while (context != mContext);
}
static
bool
GetCompartment(IUnknown* pUnk,
const GUID& aID,
ITfCompartment** aCompartment)
{
if (!pUnk) return false;
RefPtr<ITfCompartmentMgr> compMgr;
pUnk->QueryInterface(IID_ITfCompartmentMgr, getter_AddRefs(compMgr));
if (!compMgr) return false;
return SUCCEEDED(compMgr->GetCompartment(aID, aCompartment)) &&
(*aCompartment) != nullptr;
}
// static
void
TSFTextStore::SetIMEOpenState(bool aState)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::SetIMEOpenState(aState=%s)",
GetBoolName(aState)));
RefPtr<ITfCompartment> comp;
if (!GetCompartment(sThreadMgr,
GUID_COMPARTMENT_KEYBOARD_OPENCLOSE,
getter_AddRefs(comp))) {
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::SetIMEOpenState() FAILED due to"
"no compartment available"));
return;
}
VARIANT variant;
variant.vt = VT_I4;
variant.lVal = aState;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::SetIMEOpenState(), setting "
"0x%04X to GUID_COMPARTMENT_KEYBOARD_OPENCLOSE...",
variant.lVal));
comp->SetValue(sClientId, &variant);
}
// static
bool
TSFTextStore::GetIMEOpenState()
{
RefPtr<ITfCompartment> comp;
if (!GetCompartment(sThreadMgr,
GUID_COMPARTMENT_KEYBOARD_OPENCLOSE,
getter_AddRefs(comp)))
return false;
VARIANT variant;
::VariantInit(&variant);
if (SUCCEEDED(comp->GetValue(&variant)) && variant.vt == VT_I4)
return variant.lVal != 0;
::VariantClear(&variant); // clear up in case variant.vt != VT_I4
return false;
}
// static
void
TSFTextStore::SetInputContext(nsWindowBase* aWidget,
const InputContext& aContext,
const InputContextAction& aAction)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::SetInputContext(aWidget=%p, "
"aContext.mIMEState.mEnabled=%s, aAction.mFocusChange=%s), "
"sEnabledTextStore=0x%p, ThinksHavingFocus()=%s",
aWidget, GetIMEEnabledName(aContext.mIMEState.mEnabled),
GetFocusChangeName(aAction.mFocusChange), sEnabledTextStore.get(),
GetBoolName(ThinksHavingFocus())));
NS_ENSURE_TRUE_VOID(IsInTSFMode());
if (aAction.mFocusChange != InputContextAction::FOCUS_NOT_CHANGED) {
if (sEnabledTextStore) {
sEnabledTextStore->SetInputScope(aContext.mHTMLInputType);
}
return;
}
// If focus isn't actually changed but the enabled state is changed,
// emulate the focus move.
if (!ThinksHavingFocus() && aContext.mIMEState.IsEditable()) {
OnFocusChange(true, aWidget, aContext);
} else if (ThinksHavingFocus() && !aContext.mIMEState.IsEditable()) {
OnFocusChange(false, aWidget, aContext);
}
}
// static
void
TSFTextStore::MarkContextAsKeyboardDisabled(ITfContext* aContext)
{
VARIANT variant_int4_value1;
variant_int4_value1.vt = VT_I4;
variant_int4_value1.lVal = 1;
RefPtr<ITfCompartment> comp;
if (!GetCompartment(aContext,
GUID_COMPARTMENT_KEYBOARD_DISABLED,
getter_AddRefs(comp))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::MarkContextAsKeyboardDisabled() failed"
"aContext=0x%p...", aContext));
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::MarkContextAsKeyboardDisabled(), setting "
"to disable context 0x%p...",
aContext));
comp->SetValue(sClientId, &variant_int4_value1);
}
// static
void
TSFTextStore::MarkContextAsEmpty(ITfContext* aContext)
{
VARIANT variant_int4_value1;
variant_int4_value1.vt = VT_I4;
variant_int4_value1.lVal = 1;
RefPtr<ITfCompartment> comp;
if (!GetCompartment(aContext,
GUID_COMPARTMENT_EMPTYCONTEXT,
getter_AddRefs(comp))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::MarkContextAsEmpty() failed"
"aContext=0x%p...", aContext));
return;
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: TSFTextStore::MarkContextAsEmpty(), setting "
"to mark empty context 0x%p...", aContext));
comp->SetValue(sClientId, &variant_int4_value1);
}
// static
void
TSFTextStore::Initialize()
{
if (!sTextStoreLog) {
sTextStoreLog = PR_NewLogModule("nsTextStoreWidgets");
}
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: TSFTextStore::Initialize() is called..."));
if (sThreadMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED due to already initialized"));
return;
}
bool enableTsf =
Preferences::GetBool(kPrefNameForceEnableTSF, false) ||
(IsVistaOrLater() && Preferences::GetBool(kPrefNameEnableTSF, false));
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: TSFTextStore::Initialize(), TSF is %s",
enableTsf ? "enabled" : "disabled"));
if (!enableTsf) {
return;
}
// XXX MSDN documents that ITfInputProcessorProfiles is available only on
// desktop apps. However, there is no known way to obtain
// ITfInputProcessorProfileMgr instance without ITfInputProcessorProfiles
// instance.
RefPtr<ITfInputProcessorProfiles> inputProcessorProfiles;
HRESULT hr =
::CoCreateInstance(CLSID_TF_InputProcessorProfiles, nullptr,
CLSCTX_INPROC_SERVER,
IID_ITfInputProcessorProfiles,
getter_AddRefs(inputProcessorProfiles));
if (FAILED(hr) || !inputProcessorProfiles) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to create input processor "
"profiles, hr=0x%08X", hr));
return;
}
RefPtr<ITfThreadMgr> threadMgr;
hr = ::CoCreateInstance(CLSID_TF_ThreadMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfThreadMgr,
getter_AddRefs(threadMgr));
if (FAILED(hr) || !threadMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to "
"create the thread manager, hr=0x%08X", hr));
return;
}
RefPtr<ITfMessagePump> messagePump;
hr = threadMgr->QueryInterface(IID_ITfMessagePump,
getter_AddRefs(messagePump));
if (FAILED(hr) || !messagePump) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to "
"QI message pump from the thread manager, hr=0x%08X", hr));
return;
}
RefPtr<ITfKeystrokeMgr> keystrokeMgr;
hr = threadMgr->QueryInterface(IID_ITfKeystrokeMgr,
getter_AddRefs(keystrokeMgr));
if (FAILED(hr) || !keystrokeMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to "
"QI keystroke manager from the thread manager, hr=0x%08X", hr));
return;
}
hr = threadMgr->Activate(&sClientId);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to activate, hr=0x%08X", hr));
return;
}
RefPtr<ITfDisplayAttributeMgr> displayAttributeMgr;
hr = ::CoCreateInstance(CLSID_TF_DisplayAttributeMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfDisplayAttributeMgr,
getter_AddRefs(displayAttributeMgr));
if (FAILED(hr) || !displayAttributeMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to create "
"a display attribute manager instance, hr=0x%08X", hr));
return;
}
RefPtr<ITfCategoryMgr> categoryMgr;
hr = ::CoCreateInstance(CLSID_TF_CategoryMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfCategoryMgr,
getter_AddRefs(categoryMgr));
if (FAILED(hr) || !categoryMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to create "
"a category manager instance, hr=0x%08X", hr));
return;
}
RefPtr<ITfDocumentMgr> disabledDocumentMgr;
hr = threadMgr->CreateDocumentMgr(getter_AddRefs(disabledDocumentMgr));
if (FAILED(hr) || !disabledDocumentMgr) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to create "
"a document manager for disabled mode, hr=0x%08X", hr));
return;
}
RefPtr<ITfContext> disabledContext;
DWORD editCookie = 0;
hr = disabledDocumentMgr->CreateContext(sClientId, 0, nullptr,
getter_AddRefs(disabledContext),
&editCookie);
if (FAILED(hr) || !disabledContext) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to create "
"a context for disabled mode, hr=0x%08X", hr));
return;
}
MarkContextAsKeyboardDisabled(disabledContext);
MarkContextAsEmpty(disabledContext);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: TSFTextStore::Initialize() is creating "
"a TSFStaticSink instance..."));
TSFStaticSink* staticSink = TSFStaticSink::GetInstance();
if (!staticSink->Init(threadMgr, inputProcessorProfiles)) {
TSFStaticSink::Shutdown();
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::Initialize() FAILED to initialize TSFStaticSink "
"instance"));
return;
}
sInputProcessorProfiles = inputProcessorProfiles;
sThreadMgr = threadMgr;
sMessagePump = messagePump;
sKeystrokeMgr = keystrokeMgr;
sDisplayAttrMgr = displayAttributeMgr;
sCategoryMgr = categoryMgr;
sDisabledDocumentMgr = disabledDocumentMgr;
sDisabledContext = disabledContext;
sCreateNativeCaretForATOK =
Preferences::GetBool("intl.tsf.hack.atok.create_native_caret", true);
sDoNotReturnNoLayoutErrorToMSSimplifiedTIP =
Preferences::GetBool(
"intl.tsf.hack.ms_simplified_chinese.do_not_return_no_layout_error",
true);
sDoNotReturnNoLayoutErrorToMSTraditionalTIP =
Preferences::GetBool(
"intl.tsf.hack.ms_traditional_chinese.do_not_return_no_layout_error",
true);
sDoNotReturnNoLayoutErrorToFreeChangJie =
Preferences::GetBool(
"intl.tsf.hack.free_chang_jie.do_not_return_no_layout_error", true);
sDoNotReturnNoLayoutErrorToEasyChangjei =
Preferences::GetBool(
"intl.tsf.hack.easy_changjei.do_not_return_no_layout_error", true);
sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar =
Preferences::GetBool(
"intl.tsf.hack.ms_japanese_ime."
"do_not_return_no_layout_error_at_first_char", true);
sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret =
Preferences::GetBool(
"intl.tsf.hack.ms_japanese_ime.do_not_return_no_layout_error_at_caret",
true);
sHackQueryInsertForMSSimplifiedTIP =
Preferences::GetBool(
"intl.tsf.hack.ms_simplified_chinese.query_insert_result", true);
sHackQueryInsertForMSTraditionalTIP =
Preferences::GetBool(
"intl.tsf.hack.ms_traditional_chinese.query_insert_result", true);
MOZ_LOG(sTextStoreLog, LogLevel::Info,
("TSF: TSFTextStore::Initialize(), sThreadMgr=0x%p, "
"sClientId=0x%08X, sDisplayAttrMgr=0x%p, "
"sCategoryMgr=0x%p, sDisabledDocumentMgr=0x%p, sDisabledContext=%p, "
"sCreateNativeCaretForATOK=%s, "
"sDoNotReturnNoLayoutErrorToFreeChangJie=%s, "
"sDoNotReturnNoLayoutErrorToEasyChangjei=%s, "
"sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar=%s, "
"sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret=%s",
sThreadMgr.get(), sClientId, sDisplayAttrMgr.get(),
sCategoryMgr.get(), sDisabledDocumentMgr.get(), sDisabledContext.get(),
GetBoolName(sCreateNativeCaretForATOK),
GetBoolName(sDoNotReturnNoLayoutErrorToFreeChangJie),
GetBoolName(sDoNotReturnNoLayoutErrorToEasyChangjei),
GetBoolName(sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtFirstChar),
GetBoolName(sDoNotReturnNoLayoutErrorToMSJapaneseIMEAtCaret)));
}
// static
void
TSFTextStore::Terminate()
{
MOZ_LOG(sTextStoreLog, LogLevel::Info, ("TSF: TSFTextStore::Terminate()"));
TSFStaticSink::Shutdown();
sDisplayAttrMgr = nullptr;
sCategoryMgr = nullptr;
sEnabledTextStore = nullptr;
sDisabledDocumentMgr = nullptr;
sDisabledContext = nullptr;
sInputProcessorProfiles = nullptr;
sClientId = 0;
if (sThreadMgr) {
sThreadMgr->Deactivate();
sThreadMgr = nullptr;
sMessagePump = nullptr;
sKeystrokeMgr = nullptr;
}
}
// static
bool
TSFTextStore::ProcessRawKeyMessage(const MSG& aMsg)
{
if (!sKeystrokeMgr) {
return false; // not in TSF mode
}
if (aMsg.message == WM_KEYDOWN) {
BOOL eaten;
HRESULT hr = sKeystrokeMgr->TestKeyDown(aMsg.wParam, aMsg.lParam, &eaten);
if (FAILED(hr) || !eaten) {
return false;
}
hr = sKeystrokeMgr->KeyDown(aMsg.wParam, aMsg.lParam, &eaten);
return SUCCEEDED(hr) && eaten;
}
if (aMsg.message == WM_KEYUP) {
BOOL eaten;
HRESULT hr = sKeystrokeMgr->TestKeyUp(aMsg.wParam, aMsg.lParam, &eaten);
if (FAILED(hr) || !eaten) {
return false;
}
hr = sKeystrokeMgr->KeyUp(aMsg.wParam, aMsg.lParam, &eaten);
return SUCCEEDED(hr) && eaten;
}
return false;
}
// static
void
TSFTextStore::ProcessMessage(nsWindowBase* aWindow,
UINT aMessage,
WPARAM& aWParam,
LPARAM& aLParam,
MSGResult& aResult)
{
switch (aMessage) {
case WM_IME_SETCONTEXT:
// If a windowless plugin had focus and IME was handled on it, composition
// window was set the position. After that, even in TSF mode, WinXP keeps
// to use composition window at the position if the active IME is not
// aware TSF. For avoiding this issue, we need to hide the composition
// window here.
if (aWParam) {
aLParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
}
break;
case WM_ENTERIDLE:
// When an modal dialog such as a file picker is open, composition
// should be committed because IME might be used on it.
if (!IsComposingOn(aWindow)) {
break;
}
CommitComposition(false);
break;
case MOZ_WM_NOTIY_TSF_OF_LAYOUT_CHANGE: {
TSFTextStore* textStore = reinterpret_cast<TSFTextStore*>(aWParam);
if (textStore == sEnabledTextStore) {
textStore->NotifyTSFOfLayoutChangeAgain();
}
break;
}
}
}
// static
bool
TSFTextStore::IsIMM_IME()
{
return TSFStaticSink::IsIMM_IME();
}
/******************************************************************/
/* TSFTextStore::Composition */
/******************************************************************/
void
TSFTextStore::Composition::Start(ITfCompositionView* aCompositionView,
LONG aCompositionStartOffset,
const nsAString& aCompositionString)
{
mView = aCompositionView;
mString = aCompositionString;
mStart = aCompositionStartOffset;
}
void
TSFTextStore::Composition::End()
{
mView = nullptr;
mString.Truncate();
}
/******************************************************************************
* TSFTextStore::Content
*****************************************************************************/
const nsDependentSubstring
TSFTextStore::Content::GetSelectedText() const
{
MOZ_ASSERT(mInitialized);
return GetSubstring(static_cast<uint32_t>(mSelection.StartOffset()),
static_cast<uint32_t>(mSelection.Length()));
}
const nsDependentSubstring
TSFTextStore::Content::GetSubstring(uint32_t aStart, uint32_t aLength) const
{
MOZ_ASSERT(mInitialized);
return nsDependentSubstring(mText, aStart, aLength);
}
void
TSFTextStore::Content::ReplaceSelectedTextWith(const nsAString& aString)
{
MOZ_ASSERT(mInitialized);
ReplaceTextWith(mSelection.StartOffset(), mSelection.Length(), aString);
}
inline uint32_t
FirstDifferentCharOffset(const nsAString& aStr1, const nsAString& aStr2)
{
MOZ_ASSERT(aStr1 != aStr2);
uint32_t i = 0;
uint32_t minLength = std::min(aStr1.Length(), aStr2.Length());
for (; i < minLength && aStr1[i] == aStr2[i]; i++) {
/* nothing to do */
}
return i;
}
void
TSFTextStore::Content::ReplaceTextWith(LONG aStart,
LONG aLength,
const nsAString& aReplaceString)
{
MOZ_ASSERT(mInitialized);
const nsDependentSubstring replacedString =
GetSubstring(static_cast<uint32_t>(aStart),
static_cast<uint32_t>(aLength));
if (aReplaceString != replacedString) {
uint32_t firstDifferentOffset = mMinTextModifiedOffset;
if (mComposition.IsComposing()) {
// Emulate text insertion during compositions, because during a
// composition, editor expects the whole composition string to
// be sent in eCompositionChange, not just the inserted part.
// The actual eCompositionChange will be sent in SetSelection
// or OnUpdateComposition.
MOZ_ASSERT(aStart >= mComposition.mStart);
MOZ_ASSERT(aStart + aLength <= mComposition.EndOffset());
mComposition.mString.Replace(
static_cast<uint32_t>(aStart - mComposition.mStart),
static_cast<uint32_t>(aLength), aReplaceString);
// TIP may set composition string twice or more times during a document
// lock. Therefore, we should compute the first difference offset with
// mLastCompositionString.
if (mComposition.mString != mLastCompositionString) {
firstDifferentOffset =
mComposition.mStart +
FirstDifferentCharOffset(mComposition.mString,
mLastCompositionString);
// The previous change to the composition string is canceled.
if (mMinTextModifiedOffset >=
static_cast<uint32_t>(mComposition.mStart) &&
mMinTextModifiedOffset < firstDifferentOffset) {
mMinTextModifiedOffset = firstDifferentOffset;
}
} else if (mMinTextModifiedOffset >=
static_cast<uint32_t>(mComposition.mStart) &&
mMinTextModifiedOffset <
static_cast<uint32_t>(mComposition.EndOffset())) {
// The previous change to the composition string is canceled.
mMinTextModifiedOffset = firstDifferentOffset =
mComposition.EndOffset();
}
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::Content::ReplaceTextWith(aStart=%d, "
"aLength=%d, aReplaceString=\"%s\"), mComposition={ mStart=%d, "
"mString=\"%s\" }, mLastCompositionString=\"%s\", "
"mMinTextModifiedOffset=%u, firstDifferentOffset=%u",
this, aStart, aLength, NS_ConvertUTF16toUTF8(aReplaceString).get(),
mComposition.mStart, NS_ConvertUTF16toUTF8(mComposition.mString).get(),
NS_ConvertUTF16toUTF8(mLastCompositionString).get(),
mMinTextModifiedOffset, firstDifferentOffset));
} else {
firstDifferentOffset =
static_cast<uint32_t>(aStart) +
FirstDifferentCharOffset(aReplaceString, replacedString);
}
mMinTextModifiedOffset =
std::min(mMinTextModifiedOffset, firstDifferentOffset);
mText.Replace(static_cast<uint32_t>(aStart),
static_cast<uint32_t>(aLength), aReplaceString);
}
// Selection should be collapsed at the end of the inserted string.
mSelection.CollapseAt(
static_cast<uint32_t>(aStart) + aReplaceString.Length());
}
void
TSFTextStore::Content::StartComposition(ITfCompositionView* aCompositionView,
const PendingAction& aCompStart,
bool aPreserveSelection)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(aCompositionView);
MOZ_ASSERT(!mComposition.mView);
MOZ_ASSERT(aCompStart.mType == PendingAction::COMPOSITION_START);
mComposition.Start(aCompositionView, aCompStart.mSelectionStart,
GetSubstring(static_cast<uint32_t>(aCompStart.mSelectionStart),
static_cast<uint32_t>(aCompStart.mSelectionLength)));
if (!aPreserveSelection) {
// XXX Do we need to set a new writing-mode here when setting a new
// selection? Currently, we just preserve the existing value.
mSelection.SetSelection(mComposition.mStart, mComposition.mString.Length(),
false, mSelection.GetWritingMode());
}
}
void
TSFTextStore::Content::RestoreCommittedComposition(
ITfCompositionView* aCompositionView,
const PendingAction& aPendingCompositionStart,
const PendingAction& aCanceledCompositionEnd)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(aCompositionView);
MOZ_ASSERT(!mComposition.mView);
MOZ_ASSERT(aPendingCompositionStart.mType ==
PendingAction::COMPOSITION_START);
MOZ_ASSERT(aCanceledCompositionEnd.mType ==
PendingAction::COMPOSITION_END);
MOZ_ASSERT(GetSubstring(
static_cast<uint32_t>(aPendingCompositionStart.mSelectionStart),
static_cast<uint32_t>(aCanceledCompositionEnd.mData.Length())) ==
aCanceledCompositionEnd.mData);
// Restore the committed string as composing string.
mComposition.Start(aCompositionView,
aPendingCompositionStart.mSelectionStart,
aCanceledCompositionEnd.mData);
}
void
TSFTextStore::Content::EndComposition(const PendingAction& aCompEnd)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(mComposition.mView);
MOZ_ASSERT(aCompEnd.mType == PendingAction::COMPOSITION_END);
mSelection.CollapseAt(mComposition.mStart + aCompEnd.mData.Length());
mComposition.End();
}
/******************************************************************************
* TSFTextStore::MouseTracker
*****************************************************************************/
TSFTextStore::MouseTracker::MouseTracker()
: mStart(-1)
, mLength(-1)
, mCookie(kInvalidCookie)
{
}
HRESULT
TSFTextStore::MouseTracker::Init(TSFTextStore* aTextStore)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MouseTracker::Init(aTextStore=0x%p), "
"aTextStore->mMouseTrackers.Length()=%d",
this, aTextStore->mMouseTrackers.Length()));
if (&aTextStore->mMouseTrackers.LastElement() != this) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::Init() FAILED due to "
"this is not the last element of mMouseTrackers", this));
return E_FAIL;
}
if (aTextStore->mMouseTrackers.Length() > kInvalidCookie) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::Init() FAILED due to "
"no new cookie available", this));
return E_FAIL;
}
MOZ_ASSERT(!aTextStore->mMouseTrackers.IsEmpty(),
"This instance must be in TSFTextStore::mMouseTrackers");
mCookie = static_cast<DWORD>(aTextStore->mMouseTrackers.Length() - 1);
return S_OK;
}
HRESULT
TSFTextStore::MouseTracker::AdviseSink(TSFTextStore* aTextStore,
ITfRangeACP* aTextRange,
ITfMouseSink* aMouseSink)
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseSink(aTextStore=0x%p, "
"aTextRange=0x%p, aMouseSink=0x%p), mCookie=%d, mSink=0x%p",
this, aTextStore, aTextRange, aMouseSink, mCookie, mSink.get()));
MOZ_ASSERT(mCookie != kInvalidCookie, "This hasn't been initalized?");
if (mSink) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to already being used", this));
return E_FAIL;
}
HRESULT hr = aTextRange->GetExtent(&mStart, &mLength);
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to failure of ITfRangeACP::GetExtent()", this));
return hr;
}
if (mStart < 0 || mLength <= 0) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to odd result of ITfRangeACP::GetExtent(), "
"mStart=%d, mLength=%d", this, mStart, mLength));
return E_INVALIDARG;
}
nsAutoString textContent;
if (NS_WARN_IF(!aTextStore->GetCurrentText(textContent))) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to failure of TSFTextStore::GetCurrentText()", this));
return E_FAIL;
}
if (textContent.Length() <= static_cast<uint32_t>(mStart) ||
textContent.Length() < static_cast<uint32_t>(mStart + mLength)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to out of range, mStart=%d, mLength=%d, "
"textContent.Length()=%d",
this, mStart, mLength, textContent.Length()));
return E_INVALIDARG;
}
mSink = aMouseSink;
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MouseTracker::AdviseMouseSink(), "
"succeeded, mStart=%d, mLength=%d, textContent.Length()=%d",
this, mStart, mLength, textContent.Length()));
return S_OK;
}
void
TSFTextStore::MouseTracker::UnadviseSink()
{
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MouseTracker::UnadviseSink(), "
"mCookie=%d, mSink=0x%p, mStart=%d, mLength=%d",
this, mCookie, mSink.get(), mStart, mLength));
mSink = nullptr;
mStart = mLength = -1;
}
bool
TSFTextStore::MouseTracker::OnMouseButtonEvent(ULONG aEdge,
ULONG aQuadrant,
DWORD aButtonStatus)
{
MOZ_ASSERT(IsUsing(), "The caller must check before calling OnMouseEvent()");
BOOL eaten = FALSE;
HRESULT hr = mSink->OnMouseEvent(aEdge, aQuadrant, aButtonStatus, &eaten);
MOZ_LOG(sTextStoreLog, LogLevel::Debug,
("TSF: 0x%p TSFTextStore::MouseTracker::OnMouseEvent(aEdge=%d, "
"aQuadrant=%d, aButtonStatus=0x%08X), hr=0x%08X, eaten=%s",
this, aEdge, aQuadrant, aButtonStatus, hr, GetBoolName(!!eaten)));
return SUCCEEDED(hr) && eaten;
}
#ifdef DEBUG
// static
bool
TSFTextStore::CurrentKeyboardLayoutHasIME()
{
if (!sInputProcessorProfiles) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CurrentKeyboardLayoutHasIME() FAILED due to "
"there is no input processor profiles instance"));
return false;
}
RefPtr<ITfInputProcessorProfileMgr> profileMgr;
HRESULT hr =
sInputProcessorProfiles->QueryInterface(IID_ITfInputProcessorProfileMgr,
getter_AddRefs(profileMgr));
if (FAILED(hr) || !profileMgr) {
// On Windows Vista or later, ImmIsIME() API always returns true.
// If we failed to obtain the profile manager, we cannot know if current
// keyboard layout has IME.
if (IsVistaOrLater()) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CurrentKeyboardLayoutHasIME() FAILED to query "
"ITfInputProcessorProfileMgr"));
return false;
}
// If the profiles instance doesn't have ITfInputProcessorProfileMgr
// interface, that means probably we're running on WinXP or WinServer2003
// (except WinServer2003 R2). Then, we should use ImmIsIME().
return ::ImmIsIME(::GetKeyboardLayout(0));
}
TF_INPUTPROCESSORPROFILE profile;
hr = profileMgr->GetActiveProfile(GUID_TFCAT_TIP_KEYBOARD, &profile);
if (hr == S_FALSE) {
return false; // not found or not active
}
if (FAILED(hr)) {
MOZ_LOG(sTextStoreLog, LogLevel::Error,
("TSF: TSFTextStore::CurrentKeyboardLayoutHasIME() FAILED to retreive "
"active profile"));
return false;
}
return (profile.dwProfileType == TF_PROFILETYPE_INPUTPROCESSOR);
}
#endif // #ifdef DEBUG
} // name widget
} // name mozilla
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