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gecko-dev/layout/base/nsPresContext.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* IBM Corporation
*/
#include "nsCOMPtr.h"
#include "nsPresContext.h"
#include "nsIPresShell.h"
#include "nsIPref.h"
#include "nsILinkHandler.h"
#include "nsIStyleSet.h"
#include "nsFrameImageLoader.h"
#include "nsIFrameManager.h"
#include "nsIImageGroup.h"
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsIRenderingContext.h"
#include "nsIURL.h"
#include "nsIDocument.h"
#include "nsIStyleContext.h"
#include "nsLayoutAtoms.h"
#include "nsILookAndFeel.h"
#include "nsWidgetsCID.h"
#include "nsIComponentManager.h"
#include "nsIURIContentListener.h"
#include "nsIInterfaceRequestor.h"
#include "nsIServiceManager.h"
#include "nsBoxLayoutState.h"
#include "nsIBox.h"
#include "nsIDOMElement.h"
#include "nsContentPolicyUtils.h"
#include "nsIScriptGlobalObject.h"
#include "nsIDOMWindow.h"
#include "nsNetUtil.h"
#include "nsXPIDLString.h"
#include "prprf.h"
#ifdef IBMBIDI
#include "nsBidiPresUtils.h"
#endif // IBMBIDI
static nscolor
MakeColorPref(const char *colstr)
{
PRUint32 red, green, blue;
nscolor colorref;
// 4.x stored RGB color values as a string rather than as an int,
// thus we need to do this conversion
PR_sscanf(colstr, "#%02x%02x%02x", &red, &green, &blue);
colorref = NS_RGB(red, green, blue);
return colorref;
}
int
PrefChangedCallback(const char* aPrefName, void* instance_data)
{
nsPresContext* presContext = (nsPresContext*)instance_data;
NS_ASSERTION(nsnull != presContext, "bad instance data");
if (nsnull != presContext) {
presContext->PreferenceChanged(aPrefName);
}
return 0; // PREF_OK
}
#ifdef IBMBIDI
PRBool
IsVisualCharset(const nsAutoString& aCharset)
{
if (aCharset.EqualsIgnoreCase("ibm864") // Arabic//ahmed
|| aCharset.EqualsIgnoreCase("ibm862") // Hebrew
|| aCharset.EqualsIgnoreCase("iso-8859-8") ) { // Hebrew
return PR_TRUE; // visual text type
}
else {
return PR_FALSE; // logical text type
}
}
#endif // IBMBIDI
static NS_DEFINE_CID(kLookAndFeelCID, NS_LOOKANDFEEL_CID);
#include "nsContentCID.h"
static NS_DEFINE_CID(kEventStateManagerCID, NS_EVENTSTATEMANAGER_CID);
nsPresContext::nsPresContext()
: mDefaultFont("serif", NS_FONT_STYLE_NORMAL,
NS_FONT_VARIANT_NORMAL,
NS_FONT_WEIGHT_NORMAL,
0,
NSIntPointsToTwips(12)),
mDefaultFixedFont("monospace", NS_FONT_STYLE_NORMAL,
NS_FONT_VARIANT_NORMAL,
NS_FONT_WEIGHT_NORMAL,
0,
NSIntPointsToTwips(10))
{
NS_INIT_REFCNT();
mCompatibilityMode = eCompatibility_Standard;
mCompatibilityLocked = PR_FALSE;
mWidgetRenderingMode = eWidgetRendering_Gfx;
mImageAnimationMode = eImageAnimation_Normal;
mImageAnimationModePref = eImageAnimation_Normal;
mStopped = PR_FALSE;
mStopChrome = PR_TRUE;
mShell = nsnull;
mDefaultColor = NS_RGB(0x00, 0x00, 0x00);
mDefaultBackgroundColor = NS_RGB(0xFF, 0xFF, 0xFF);
nsILookAndFeel* look = nsnull;
if (NS_SUCCEEDED(GetLookAndFeel(&look)) && look) {
look->GetColor(nsILookAndFeel::eColor_WindowForeground, mDefaultColor);
look->GetColor(nsILookAndFeel::eColor_WindowBackground, mDefaultBackgroundColor);
NS_RELEASE(look);
}
mUseDocumentColors = PR_TRUE;
mUseDocumentFonts = PR_TRUE;
mLinkColor = NS_RGB(0x33, 0x33, 0xFF);
mVisitedLinkColor = NS_RGB(0x66, 0x00, 0xCC);
mUnderlineLinks = PR_TRUE;
mUseFocusColors = PR_FALSE;
mFocusTextColor = mDefaultColor;
mFocusBackgroundColor = mDefaultBackgroundColor;
mFocusRingWidth = 1;
mFocusRingOnAnything = PR_FALSE;
mDefaultBackgroundImageAttachment = NS_STYLE_BG_ATTACHMENT_SCROLL;
mDefaultBackgroundImageRepeat = NS_STYLE_BG_REPEAT_XY;
mDefaultBackgroundImageOffsetX = mDefaultBackgroundImageOffsetY = 0;
mLanguageSpecificTransformType = eLanguageSpecificTransformType_Unknown;
mIsRenderingOnlySelection = PR_FALSE;
#ifdef IBMBIDI
mIsVisual = PR_FALSE;
mBidiUtils = nsnull;
mIsBidiSystem = PR_FALSE;
mBidi = 0;
#endif // IBMBIDI
}
nsPresContext::~nsPresContext()
{
if (mShell) {
nsCOMPtr<nsIDocument> doc;
mShell->GetDocument(getter_AddRefs(doc));
if (doc) {
doc->RemoveCharSetObserver(this);
}
}
mShell = nsnull;
Stop();
if (mImageGroup) {
// Interrupt any loading images. This also stops all looping
// image animations.
mImageGroup->Interrupt();
}
if (mEventManager)
mEventManager->SetPresContext(nsnull); // unclear if this is needed, but can't hurt
// Unregister preference callbacks
if (mPrefs) {
mPrefs->UnregisterCallback("font.", PrefChangedCallback, (void*)this);
mPrefs->UnregisterCallback("browser.display.", PrefChangedCallback, (void*)this);
mPrefs->UnregisterCallback("browser.underline_anchors", PrefChangedCallback, (void*)this);
mPrefs->UnregisterCallback("browser.anchor_color", PrefChangedCallback, (void*)this);
mPrefs->UnregisterCallback("browser.visited_color", PrefChangedCallback, (void*)this);
mPrefs->UnregisterCallback("network.image.imageBehavior", PrefChangedCallback, (void*)this);
mPrefs->UnregisterCallback("image.animation_mode", PrefChangedCallback, (void*)this);
}
#ifdef IBMBIDI
if (mBidiUtils) {
delete mBidiUtils;
}
#endif // IBMBIDI
}
NS_IMPL_ISUPPORTS2(nsPresContext, nsIPresContext, nsIObserver)
void
nsPresContext::GetFontPreferences()
{
if (mPrefs) {
char* value = nsnull;
mPrefs->CopyCharPref("font.default", &value);
if (value) {
mDefaultFont.name.AssignWithConversion(value);
nsMemory::Free(value);
value = nsnull;
}
if (mLanguage) {
nsAutoString pref; pref.AssignWithConversion("font.size.variable.");
const PRUnichar* langGroup = nsnull;
nsCOMPtr<nsIAtom> langGroupAtom;
mLanguage->GetLanguageGroup(getter_AddRefs(langGroupAtom));
langGroupAtom->GetUnicode(&langGroup);
pref.Append(langGroup);
char name[128];
pref.ToCString(name, sizeof(name));
PRInt32 variableSize = 16;
mPrefs->GetIntPref(name, &variableSize);
pref.AssignWithConversion("font.size.fixed.");
pref.Append(langGroup);
pref.ToCString(name, sizeof(name));
PRInt32 fixedSize = 13;
mPrefs->GetIntPref(name, &fixedSize);
char* unit = nsnull;
mPrefs->CopyCharPref("font.size.unit", &unit);
char* defaultUnit = "px";
if (!unit) {
unit = defaultUnit;
}
if (!PL_strcmp(unit, "px")) {
float p2t;
GetScaledPixelsToTwips(&p2t);
mDefaultFont.size = NSFloatPixelsToTwips((float) variableSize, p2t);
mDefaultFixedFont.size = NSFloatPixelsToTwips((float) fixedSize, p2t);
}
else if (!PL_strcmp(unit, "pt")) {
mDefaultFont.size = NSIntPointsToTwips(variableSize);
mDefaultFixedFont.size = NSIntPointsToTwips(fixedSize);
}
else {
float p2t;
GetScaledPixelsToTwips(&p2t);
mDefaultFont.size = NSFloatPixelsToTwips((float) variableSize, p2t);
mDefaultFixedFont.size = NSFloatPixelsToTwips((float) fixedSize, p2t);
}
if (unit != defaultUnit) {
nsMemory::Free(unit);
unit = nsnull;
}
}
}
}
void
nsPresContext::GetUserPreferences()
{
PRInt32 prefInt;
if (NS_SUCCEEDED(mPrefs->GetIntPref("browser.display.base_font_scaler", &prefInt))) {
mFontScaler = prefInt;
}
if (NS_SUCCEEDED(mPrefs->GetIntPref("nglayout.compatibility.mode", &prefInt))) {
// XXX this should really be a state on the webshell instead of using prefs
switch (prefInt) {
case 1:
mCompatibilityLocked = PR_TRUE;
mCompatibilityMode = eCompatibility_Standard;
break;
case 2:
mCompatibilityLocked = PR_TRUE;
mCompatibilityMode = eCompatibility_NavQuirks;
break;
case 0: // auto
default:
mCompatibilityLocked = PR_FALSE;
break;
}
}
else {
mCompatibilityLocked = PR_FALSE; // auto
}
if (NS_SUCCEEDED(mPrefs->GetIntPref("nglayout.widget.mode", &prefInt))) {
mWidgetRenderingMode = (enum nsWidgetRendering)prefInt; // bad cast
}
// * document colors
PRBool usePrefColors = PR_TRUE;
PRBool boolPref;
nsXPIDLCString colorStr;
if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.use_system_colors", &boolPref))) {
usePrefColors = !boolPref;
}
if (usePrefColors) {
if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.foreground_color", getter_Copies(colorStr)))) {
mDefaultColor = MakeColorPref(colorStr);
}
if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.background_color", getter_Copies(colorStr)))) {
mDefaultBackgroundColor = MakeColorPref(colorStr);
}
}
else {
// Without this here, checking the "use system colors" checkbox
// has no affect until the constructor is called again
mDefaultColor = NS_RGB(0x00, 0x00, 0x00);
mDefaultBackgroundColor = NS_RGB(0xFF, 0xFF, 0xFF);
nsCOMPtr<nsILookAndFeel> look;
if (NS_SUCCEEDED(GetLookAndFeel(getter_AddRefs(look))) && look) {
look->GetColor(nsILookAndFeel::eColor_WindowForeground, mDefaultColor);
look->GetColor(nsILookAndFeel::eColor_WindowBackground, mDefaultBackgroundColor);
}
}
if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.use_document_colors", &boolPref))) {
mUseDocumentColors = boolPref;
}
// * link colors
if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.underline_anchors", &boolPref))) {
mUnderlineLinks = boolPref;
}
if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.anchor_color", getter_Copies(colorStr)))) {
mLinkColor = MakeColorPref(colorStr);
}
if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.visited_color", getter_Copies(colorStr)))) {
mVisitedLinkColor = MakeColorPref(colorStr);
}
if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.use_focus_colors", &boolPref))) {
mUseFocusColors = boolPref;
mFocusTextColor = mDefaultColor;
mFocusBackgroundColor = mDefaultBackgroundColor;
if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.focus_text_color", getter_Copies(colorStr)))) {
mFocusTextColor = MakeColorPref(colorStr);
}
if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.focus_background_color", getter_Copies(colorStr)))) {
mFocusBackgroundColor = MakeColorPref(colorStr);
}
}
if (NS_SUCCEEDED(mPrefs->GetIntPref("browser.display.focus_ring_width", &prefInt))) {
mFocusRingWidth = prefInt;
}
if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.focus_ring_on_anything", &boolPref))) {
mFocusRingOnAnything = boolPref;
}
// * use fonts?
if (NS_SUCCEEDED(mPrefs->GetIntPref("browser.display.use_document_fonts", &prefInt))) {
mUseDocumentFonts = prefInt == 0 ? PR_FALSE : PR_TRUE;
}
GetFontPreferences();
// * image animation
char* animatePref = 0;
nsresult rv = mPrefs->CopyCharPref("image.animation_mode", &animatePref);
if (NS_SUCCEEDED(rv) && animatePref) {
if (!nsCRT::strcmp(animatePref, "normal"))
mImageAnimationModePref = eImageAnimation_Normal;
else if (!nsCRT::strcmp(animatePref, "none"))
mImageAnimationModePref = eImageAnimation_None;
else if (!nsCRT::strcmp(animatePref, "once"))
mImageAnimationModePref = eImageAnimation_LoopOnce;
nsMemory::Free(animatePref);
}
}
NS_IMETHODIMP
nsPresContext::GetCachedBoolPref(PRUint32 prefType, PRBool &aValue)
{
nsresult rv = NS_ERROR_FAILURE;
switch(prefType) {
case kPresContext_UseDocumentFonts :
aValue = mUseDocumentFonts;
rv = NS_OK;
break;
case kPresContext_UseDocumentColors:
aValue = mUseDocumentColors;
rv = NS_OK;
break;
case kPresContext_UnderlineLinks:
aValue = mUnderlineLinks;
rv = NS_OK;
break;
default :
rv = NS_ERROR_FAILURE;
}
return rv;
}
NS_IMETHODIMP
nsPresContext::RemapStyleAndReflow()
{
if (mShell) {
// Have the root frame's style context remap its style based on the
// user preferences
nsIFrame* rootFrame;
mShell->GetRootFrame(&rootFrame);
if (rootFrame) {
nsIStyleContext* rootStyleContext;
rootFrame->GetStyleContext(&rootStyleContext);
rootStyleContext->RemapStyle(this);
NS_RELEASE(rootStyleContext);
// boxes know how to coelesce style changes. So if our root frame is a box
// then tell it to handle it. If its a block we are stuck with a full top to bottom
// reflow. -EDV
nsIFrame* child = nsnull;
rootFrame->FirstChild(this, nsnull, &child);
nsresult rv;
nsCOMPtr<nsIBox> box = do_QueryInterface(child, &rv);
if (NS_SUCCEEDED(rv) && box) {
nsBoxLayoutState state(this);
box->MarkStyleChange(state);
} else {
// Force a reflow of the root frame
// XXX We really should only do a reflow if a preference that affects
// formatting changed, e.g., a font change. If it's just a color change
// then we only need to repaint...
mShell->StyleChangeReflow();
}
}
}
return NS_OK;
}
void
nsPresContext::PreferenceChanged(const char* aPrefName)
{
// XXX for WM_FONTCHANGE messages, only flush the font cache (bug=89493)
// because nsObjectFrame can't handle a reframe at this time
if (strcmp(aPrefName,"font.internaluseonly.changed") == 0) {
if (mDeviceContext) {
mDeviceContext->FlushFontCache();
}
return;
}
// Initialize our state from the user preferences
GetUserPreferences();
// update the presShell: tell it to set the preference style rules up
if (mShell) {
mShell->SetPreferenceStyleRules(PR_TRUE);
}
if (mDeviceContext) {
mDeviceContext->FlushFontCache();
RemapStyleAndReflow();
}
}
NS_IMETHODIMP
nsPresContext::Init(nsIDeviceContext* aDeviceContext)
{
NS_ASSERTION(!(mInitialized == PR_TRUE), "attempt to reinit pres context");
mDeviceContext = dont_QueryInterface(aDeviceContext);
mLangService = do_GetService(NS_LANGUAGEATOMSERVICE_CONTRACTID);
mPrefs = do_GetService(NS_PREF_CONTRACTID);
if (mPrefs) {
// Register callbacks so we're notified when the preferences change
mPrefs->RegisterCallback("font.", PrefChangedCallback, (void*)this);
mPrefs->RegisterCallback("browser.display.", PrefChangedCallback, (void*)this);
mPrefs->RegisterCallback("browser.underline_anchors", PrefChangedCallback, (void*)this);
mPrefs->RegisterCallback("browser.anchor_color", PrefChangedCallback, (void*)this);
mPrefs->RegisterCallback("browser.visited_color", PrefChangedCallback, (void*)this);
mPrefs->RegisterCallback("network.image.imageBehavior", PrefChangedCallback, (void*)this);
mPrefs->RegisterCallback("image.animation_mode", PrefChangedCallback, (void*)this);
// Initialize our state from the user preferences
GetUserPreferences();
}
#ifdef DEBUG
mInitialized = PR_TRUE;
#endif
return NS_OK;
}
// Note: We don't hold a reference on the shell; it has a reference to
// us
NS_IMETHODIMP
nsPresContext::SetShell(nsIPresShell* aShell)
{
mShell = aShell;
if (nsnull != mShell) {
nsCOMPtr<nsIDocument> doc;
if (NS_SUCCEEDED(mShell->GetDocument(getter_AddRefs(doc)))) {
NS_ASSERTION(doc, "expect document here");
if (doc) {
doc->GetBaseURL(*getter_AddRefs(mBaseURL));
if (mBaseURL) {
PRBool isChrome = PR_FALSE;
PRBool isRes = PR_FALSE;
mBaseURL->SchemeIs("chrome", &isChrome);
mBaseURL->SchemeIs("resource", &isRes);
if (!isChrome && !isRes)
mImageAnimationMode = mImageAnimationModePref;
else
mImageAnimationMode = eImageAnimation_Normal;
}
if (mLangService) {
nsAutoString charset;
doc->AddCharSetObserver(this);
doc->GetDocumentCharacterSet(charset);
UpdateCharSet(charset.get());
}
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetShell(nsIPresShell** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mShell;
NS_IF_ADDREF(mShell);
return NS_OK;
}
void
nsPresContext::UpdateCharSet(const PRUnichar* aCharSet)
{
if (mLangService) {
mLangService->LookupCharSet(aCharSet, getter_AddRefs(mLanguage));
GetFontPreferences();
if (mLanguage) {
nsCOMPtr<nsIAtom> langGroupAtom;
mLanguage->GetLanguageGroup(getter_AddRefs(langGroupAtom));
NS_ASSERTION(langGroupAtom, "non-NULL language group atom expected");
if (langGroupAtom.get() == nsLayoutAtoms::Japanese) {
mLanguageSpecificTransformType =
eLanguageSpecificTransformType_Japanese;
}
else if (langGroupAtom.get() == nsLayoutAtoms::Korean) {
mLanguageSpecificTransformType =
eLanguageSpecificTransformType_Korean;
}
else {
mLanguageSpecificTransformType =
eLanguageSpecificTransformType_None;
}
}
}
#ifdef IBMBIDI
//ahmed
mCharset=aCharSet;
SetVisualMode(IsVisualCharset(mCharset) );
#endif // IBMBIDI
}
NS_IMETHODIMP
nsPresContext::Observe(nsISupports* aSubject, const PRUnichar* aTopic,
const PRUnichar* aData)
{
if (nsAutoString(aTopic).EqualsWithConversion("charset")) {
UpdateCharSet(aData);
}
else {
NS_WARNING("unrecognized topic in nsPresContext::Observe");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetCompatibilityMode(nsCompatibility* aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mCompatibilityMode;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetCompatibilityMode(nsCompatibility aMode)
{
if (! mCompatibilityLocked) {
mCompatibilityMode = aMode;
}
// enable/disable the QuirkSheet
NS_ASSERTION(mShell, "PresShell must be set on PresContext before calling nsPresContext::SetCompatibilityMode");
if (mShell) {
nsCOMPtr<nsIStyleSet> set;
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
if (NS_SUCCEEDED(rv) && set) {
set->EnableQuirkStyleSheet((mCompatibilityMode != eCompatibility_Standard) ? PR_TRUE : PR_FALSE);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetWidgetRenderingMode(nsWidgetRendering* aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = mWidgetRenderingMode;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetWidgetRenderingMode(nsWidgetRendering aMode)
{
mWidgetRenderingMode = aMode;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetImageAnimationMode(nsImageAnimation* aModeResult)
{
NS_ENSURE_ARG_POINTER(aModeResult);
*aModeResult = mImageAnimationMode;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetImageAnimationMode(nsImageAnimation aMode)
{
mImageAnimationMode = aMode;
return NS_OK;
}
/* This function has now been depricated. It is no longer necesary to
* hold on to presContext just to get a nsLookAndFeel. nsLookAndFeel is
* now a service provided by ServiceManager.
*/
NS_IMETHODIMP
nsPresContext::GetLookAndFeel(nsILookAndFeel** aLookAndFeel)
{
NS_PRECONDITION(nsnull != aLookAndFeel, "null ptr");
if (nsnull == aLookAndFeel) {
return NS_ERROR_NULL_POINTER;
}
nsresult result = NS_OK;
if (! mLookAndFeel) {
mLookAndFeel = do_GetService(kLookAndFeelCID,&result);
}
*aLookAndFeel = mLookAndFeel;
NS_IF_ADDREF(*aLookAndFeel);
return result;
}
NS_IMETHODIMP
nsPresContext::GetBaseURL(nsIURI** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mBaseURL;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::ResolveStyleContextFor(nsIContent* aContent,
nsIStyleContext* aParentContext,
PRBool aForceUnique,
nsIStyleContext** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
nsIStyleContext* result = nsnull;
nsCOMPtr<nsIStyleSet> set;
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
if (NS_SUCCEEDED(rv)) {
if (set) {
result = set->ResolveStyleFor(this, aContent, aParentContext,
aForceUnique);
if (nsnull == result) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
}
}
*aResult = result;
return rv;
}
NS_IMETHODIMP
nsPresContext::ResolvePseudoStyleContextFor(nsIContent* aParentContent,
nsIAtom* aPseudoTag,
nsIStyleContext* aParentContext,
PRBool aForceUnique,
nsIStyleContext** aResult)
{
return ResolvePseudoStyleWithComparator(aParentContent, aPseudoTag, aParentContext,
aForceUnique, nsnull, aResult);
}
NS_IMETHODIMP
nsPresContext::ResolvePseudoStyleWithComparator(nsIContent* aParentContent,
nsIAtom* aPseudoTag,
nsIStyleContext* aParentContext,
PRBool aForceUnique,
nsICSSPseudoComparator* aComparator,
nsIStyleContext** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
nsIStyleContext* result = nsnull;
nsCOMPtr<nsIStyleSet> set;
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
if (NS_SUCCEEDED(rv)) {
if (set) {
result = set->ResolvePseudoStyleFor(this, aParentContent, aPseudoTag,
aParentContext, aForceUnique, aComparator);
if (nsnull == result) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
}
}
*aResult = result;
return rv;
}
NS_IMETHODIMP
nsPresContext::ProbePseudoStyleContextFor(nsIContent* aParentContent,
nsIAtom* aPseudoTag,
nsIStyleContext* aParentContext,
PRBool aForceUnique,
nsIStyleContext** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
nsIStyleContext* result = nsnull;
nsCOMPtr<nsIStyleSet> set;
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
if (NS_SUCCEEDED(rv)) {
if (set) {
result = set->ProbePseudoStyleFor(this, aParentContent, aPseudoTag,
aParentContext, aForceUnique);
}
}
*aResult = result;
return rv;
}
NS_IMETHODIMP
nsPresContext::ReParentStyleContext(nsIFrame* aFrame,
nsIStyleContext* aNewParentContext)
{
NS_PRECONDITION(aFrame, "null ptr");
if (! aFrame) {
return NS_ERROR_NULL_POINTER;
}
nsCOMPtr<nsIFrameManager> manager;
nsresult rv = mShell->GetFrameManager(getter_AddRefs(manager));
if (NS_SUCCEEDED(rv) && manager) {
rv = manager->ReParentStyleContext(this, aFrame, aNewParentContext);
}
return rv;
}
NS_IMETHODIMP
nsPresContext::AllocateFromShell(size_t aSize, void** aResult)
{
if (mShell)
return mShell->AllocateFrame(aSize, aResult);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::FreeToShell(size_t aSize, void* aFreeChunk)
{
if (mShell)
return mShell->FreeFrame(aSize, aFreeChunk);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetMetricsFor(const nsFont& aFont, nsIFontMetrics** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
nsIFontMetrics* metrics = nsnull;
if (mDeviceContext) {
nsCOMPtr<nsIAtom> langGroup;
if (mLanguage) {
mLanguage->GetLanguageGroup(getter_AddRefs(langGroup));
}
mDeviceContext->GetMetricsFor(aFont, langGroup, metrics);
}
*aResult = metrics;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultFont(nsFont& aResult)
{
aResult = mDefaultFont;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultFont(const nsFont& aFont)
{
mDefaultFont = aFont;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultFixedFont(nsFont& aResult)
{
aResult = mDefaultFixedFont;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultFixedFont(const nsFont& aFont)
{
mDefaultFixedFont = aFont;
return NS_OK;
}
const nsFont&
nsPresContext::GetDefaultFontDeprecated()
{
return mDefaultFont;
}
const nsFont&
nsPresContext::GetDefaultFixedFontDeprecated()
{
return mDefaultFixedFont;
}
NS_IMETHODIMP
nsPresContext::GetFontScaler(PRInt32* aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mFontScaler;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetFontScaler(PRInt32 aScaler)
{
mFontScaler = aScaler;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultColor(nscolor* aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mDefaultColor;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultBackgroundColor(nscolor* aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mDefaultBackgroundColor;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultBackgroundImage(nsString& aImage)
{
aImage = mDefaultBackgroundImage;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultBackgroundImageRepeat(PRUint8* aRepeat)
{
NS_PRECONDITION(nsnull != aRepeat, "null ptr");
if (nsnull == aRepeat) { return NS_ERROR_NULL_POINTER; }
*aRepeat = mDefaultBackgroundImageRepeat;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultBackgroundImageOffset(nscoord* aX, nscoord* aY)
{
NS_PRECONDITION((nsnull != aX) && (nsnull != aY), "null ptr");
if (!aX || !aY) { return NS_ERROR_NULL_POINTER; }
*aX = mDefaultBackgroundImageOffsetX;
*aY = mDefaultBackgroundImageOffsetY;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultBackgroundImageAttachment(PRUint8* aAttachment)
{
NS_PRECONDITION(nsnull != aAttachment, "null ptr");
if (nsnull == aAttachment) { return NS_ERROR_NULL_POINTER; }
*aAttachment = mDefaultBackgroundImageAttachment;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDefaultLinkColor(nscolor* aColor)
{
NS_PRECONDITION(nsnull != aColor, "null argument");
if (aColor) {
*aColor = mLinkColor;
return NS_OK;
}
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsPresContext::GetDefaultVisitedLinkColor(nscolor* aColor)
{
NS_PRECONDITION(nsnull != aColor, "null argument");
if (aColor) {
*aColor = mVisitedLinkColor;
return NS_OK;
}
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsPresContext::GetFocusRingOnAnything(PRBool& aFocusRingOnAnything)
{
aFocusRingOnAnything = mFocusRingOnAnything;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetUseFocusColors(PRBool& aUseFocusColors)
{
aUseFocusColors = mUseFocusColors;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetFocusTextColor(nscolor* aColor)
{
NS_PRECONDITION(nsnull != aColor, "null argument");
if (aColor) {
*aColor = mFocusTextColor;
return NS_OK;
}
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsPresContext::GetFocusBackgroundColor(nscolor* aColor)
{
NS_PRECONDITION(nsnull != aColor, "null argument");
if (aColor) {
*aColor = mFocusBackgroundColor;
return NS_OK;
}
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsPresContext::GetFocusRingWidth(PRUint8 *aFocusRingWidth)
{
NS_PRECONDITION(nsnull != aFocusRingWidth, "null argument");
if (aFocusRingWidth) {
*aFocusRingWidth = mFocusRingWidth;
return NS_OK;
}
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsPresContext::SetDefaultColor(nscolor aColor)
{
mDefaultColor = aColor;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultBackgroundColor(nscolor aColor)
{
mDefaultBackgroundColor = aColor;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultBackgroundImage(const nsString& aImage)
{
mDefaultBackgroundImage = aImage;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultBackgroundImageRepeat(PRUint8 aRepeat)
{
mDefaultBackgroundImageRepeat = aRepeat;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultBackgroundImageOffset(nscoord aX, nscoord aY)
{
mDefaultBackgroundImageOffsetX = aX;
mDefaultBackgroundImageOffsetY = aY;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultBackgroundImageAttachment(PRUint8 aAttachment)
{
mDefaultBackgroundImageAttachment = aAttachment;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultLinkColor(nscolor aColor)
{
mLinkColor = aColor;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetDefaultVisitedLinkColor(nscolor aColor)
{
mVisitedLinkColor = aColor;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetVisibleArea(nsRect& aResult)
{
aResult = mVisibleArea;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetVisibleArea(const nsRect& r)
{
mVisibleArea = r;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetPixelsToTwips(float* aResult) const
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
float p2t = 1.0f;
if (mDeviceContext) {
mDeviceContext->GetDevUnitsToAppUnits(p2t);
}
*aResult = p2t;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetTwipsToPixels(float* aResult) const
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
float app2dev = 1.0f;
if (mDeviceContext) {
mDeviceContext->GetAppUnitsToDevUnits(app2dev);
}
*aResult = app2dev;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetScaledPixelsToTwips(float* aResult) const
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
float scale = 1.0f;
if (mDeviceContext)
{
float p2t;
mDeviceContext->GetDevUnitsToAppUnits(p2t);
mDeviceContext->GetCanonicalPixelScale(scale);
scale = p2t * scale;
}
*aResult = scale;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetDeviceContext(nsIDeviceContext** aResult) const
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mDeviceContext;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetImageGroup(nsIImageGroup** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
if (!mImageGroup) {
// Create image group
nsresult rv = NS_NewImageGroup(getter_AddRefs(mImageGroup));
if (NS_OK != rv) {
return rv;
}
// Initialize the image group
nsCOMPtr<nsIURIContentListener> loadHandler (do_GetInterface(mContainer, &rv));
if (NS_SUCCEEDED(rv) && loadHandler)
{
nsCOMPtr<nsISupports> loadContext;
loadHandler->GetLoadCookie(getter_AddRefs(loadContext));
rv = mImageGroup->Init(mDeviceContext, loadContext);
}
if (NS_OK != rv) {
return rv;
}
}
*aResult = mImageGroup;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::StartLoadImage(const nsString& aURL,
const nscolor* aBackgroundColor,
const nsSize* aDesiredSize,
nsIFrame* aTargetFrame,
nsIFrameImageLoaderCB aCallBack,
void* aClosure,
void* aKey,
nsIFrameImageLoader** aResult)
{
if (mStopped) {
// if we are stopped and the image is not chrome
// don't load.
// If we are chrome don't load if we
// were told to stop chrome
if (!aURL.EqualsWithConversion("chrome:", PR_TRUE, 7) || mStopChrome) {
if (aResult) {
*aResult = nsnull;
}
return NS_OK;
}
}
// Allow for a null target frame argument (for precached images)
if (aTargetFrame) {
// Mark frame as having loaded an image
nsFrameState state;
aTargetFrame->GetFrameState(&state);
state |= NS_FRAME_HAS_LOADED_IMAGES;
aTargetFrame->SetFrameState(state);
}
// Lookup image request in our loaders array (maybe the load request
// has already been made for that url at the desired size).
PRInt32 i, n = mImageLoaders.Count();
nsIFrameImageLoader* loader;
for (i = 0; i < n; i++) {
PRBool same;
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
loader->IsSameImageRequest(aURL, aBackgroundColor, aDesiredSize, &same);
if (same) {
// This is pretty sick, but because we can get a notification
// *before* the caller has returned we have to store into
// aResult before calling the AddFrame method.
if (aResult) {
NS_ADDREF(loader);
*aResult = loader;
}
// Add frame to list of interested frames for this loader
loader->AddFrame(aTargetFrame, aCallBack, aClosure, aKey);
return NS_OK;
}
}
// Check with the content-policy things to make sure this load is permitted.
PRBool shouldLoad = PR_TRUE; // default permit
nsCOMPtr<nsIContent> content;
nsCOMPtr<nsIDOMElement> element;
if (aTargetFrame &&
NS_SUCCEEDED(aTargetFrame->GetContent(getter_AddRefs(content)))) {
element = do_QueryInterface(content);
}
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL);
if (NS_FAILED(rv)) {
NS_ASSERTION(0, "was expecting a URI");
return NS_OK;
}
nsCOMPtr<nsIDocument> document;
rv = mShell->GetDocument(getter_AddRefs(document));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIScriptGlobalObject> globalScript;
rv = document->GetScriptGlobalObject(getter_AddRefs(globalScript));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIDOMWindow> domWin(do_QueryInterface(globalScript));
if (NS_SUCCEEDED(NS_CheckContentLoadPolicy(nsIContentPolicy::IMAGE,
uri, element, domWin, &shouldLoad))
&& !shouldLoad) {
return NS_OK;
}
// Create image group if needed
if (!mImageGroup) {
nsCOMPtr<nsIImageGroup> group;
rv = GetImageGroup(getter_AddRefs(group)); // sets mImageGroup as side effect
if (NS_OK != rv) {
return rv;
}
}
// We haven't seen that image before. Create a new loader and
// start it going.
rv = NS_NewFrameImageLoader(&loader);
if (NS_OK != rv) {
return rv;
}
mImageLoaders.AppendElement(loader);
// This is pretty sick, but because we can get a notification
// *before* the caller has returned we have to store into aResult
// before calling the loaders init method.
if (aResult) {
*aResult = loader;
NS_ADDREF(loader);
}
rv = loader->Init(this, mImageGroup, aURL, aBackgroundColor, aDesiredSize,
aTargetFrame, mImageAnimationMode, aCallBack, aClosure,
aKey);
if (NS_OK != rv) {
mImageLoaders.RemoveElement(loader);
loader->StopImageLoad();
NS_RELEASE(loader);
// Undo premature store of reslut
if (aResult) {
*aResult = nsnull;
NS_RELEASE(loader);
}
return rv;
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::Stop(PRBool aStopChrome)
{
mStopChrome = aStopChrome;
PRInt32 n = mImageLoaders.Count();
for (PRInt32 i = n-1; i >= 0; i--) {
nsIFrameImageLoader* loader;
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
if (NS_SUCCEEDED(loader->StopImageLoad(aStopChrome))) {
mImageLoaders.RemoveElementAt(i);
NS_RELEASE(loader);
}
}
mStopped = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::StopLoadImage(void* aKey, nsIFrameImageLoader* aLoader)
{
PRInt32 i, n = mImageLoaders.Count();
nsIFrameImageLoader* loader;
for (i = 0; i < n; i++) {
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
if (loader == aLoader) {
// Remove frame from list of interested frames for this loader
loader->RemoveFrame(aKey);
// If loader is no longer loading for anybody and its safe to
// nuke it, nuke it.
PRBool safe;
loader->SafeToDestroy(&safe);
if (safe) {
loader->StopImageLoad();
NS_RELEASE(loader);
mImageLoaders.RemoveElementAt(i);
n--;
i--;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::StopAllLoadImagesFor(nsIFrame* aTargetFrame, void *aKey)
{
nsFrameState state;
aTargetFrame->GetFrameState(&state);
if (NS_FRAME_HAS_LOADED_IMAGES & state) {
nsIFrameImageLoader* loader;
PRInt32 i, n = mImageLoaders.Count();
for (i = 0; i < n; i++) {
PRBool safe;
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
loader->RemoveFrame(aKey);
loader->SafeToDestroy(&safe);
if (safe) {
loader->StopImageLoad();
NS_RELEASE(loader);
mImageLoaders.RemoveElementAt(i);
n--;
i--;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetLinkHandler(nsILinkHandler* aHandler)
{
mLinkHandler = aHandler;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetLinkHandler(nsILinkHandler** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mLinkHandler;
NS_IF_ADDREF(mLinkHandler);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetContainer(nsISupports* aHandler)
{
mContainer = aHandler;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetContainer(nsISupports** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mContainer;
NS_IF_ADDREF(mContainer);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetEventStateManager(nsIEventStateManager** aManager)
{
NS_PRECONDITION(nsnull != aManager, "null ptr");
if (nsnull == aManager) {
return NS_ERROR_NULL_POINTER;
}
if (!mEventManager) {
nsresult rv;
mEventManager = do_CreateInstance(kEventStateManagerCID,&rv);
if (NS_FAILED(rv)) {
return rv;
}
}
//Not refcnted, set null in destructor
mEventManager->SetPresContext(this);
*aManager = mEventManager;
NS_IF_ADDREF(*aManager);
return NS_OK;
}
#ifdef IBMBIDI
//ahmed
NS_IMETHODIMP
nsPresContext::IsArabicEncoding(PRBool& aResult)
{
aResult=PR_FALSE;
if ( (mCharset.EqualsIgnoreCase("ibm864") )||(mCharset.EqualsIgnoreCase("ibm864i") )||(mCharset.EqualsIgnoreCase("windows-1256") )||(mCharset.EqualsIgnoreCase("iso-8859-6") ))
aResult=PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::IsVisRTL(PRBool& aResult)
{
aResult=PR_FALSE;
if ( (mIsVisual)&&(GET_BIDI_OPTION_DIRECTION(mBidi) == IBMBIDI_TEXTDIRECTION_RTL) )
aResult=PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetBidiEnabled(PRBool* aBidiEnabled) const
{
NS_ENSURE_ARG_POINTER(aBidiEnabled);
*aBidiEnabled = PR_FALSE;
NS_ASSERTION(mShell, "PresShell must be set on PresContext before calling nsPresContext::GetBidiEnabled");
if (mShell) {
nsCOMPtr<nsIDocument> doc;
mShell->GetDocument(getter_AddRefs(doc) );
NS_ASSERTION(doc, "PresShell has no document in nsPresContext::GetBidiEnabled");
if (doc) {
doc->GetBidiEnabled(aBidiEnabled);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetBidiEnabled(PRBool aBidiEnabled) const
{
if (mShell) {
nsCOMPtr<nsIDocument> doc;
mShell->GetDocument(getter_AddRefs(doc) );
if (doc) {
doc->SetBidiEnabled(aBidiEnabled);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::SetVisualMode(PRBool aIsVisual)
{
mIsVisual = aIsVisual;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::IsVisualMode(PRBool& aIsVisual) const
{
aIsVisual = mIsVisual;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetBidiUtils(nsBidiPresUtils** aBidiUtils)
{
nsresult rv = NS_OK;
if (!mBidiUtils) {
mBidiUtils = new nsBidiPresUtils;
if (!mBidiUtils) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
}
*aBidiUtils = mBidiUtils;
return rv;
}
NS_IMETHODIMP nsPresContext::SetBidi(PRUint32 aSource, PRBool aForceReflow)
{
mBidi = aSource;
if (IBMBIDI_TEXTDIRECTION_RTL == GET_BIDI_OPTION_DIRECTION(mBidi)
|| IBMBIDI_NUMERAL_HINDI == GET_BIDI_OPTION_NUMERAL(mBidi)) {
SetBidiEnabled(PR_TRUE);
}
if (IBMBIDI_TEXTTYPE_VISUAL == GET_BIDI_OPTION_TEXTTYPE(mBidi)) {
SetVisualMode(PR_TRUE);
}
else if (IBMBIDI_TEXTTYPE_LOGICAL == GET_BIDI_OPTION_TEXTTYPE(mBidi)) {
SetVisualMode(PR_FALSE);
}
else {
SetVisualMode(IsVisualCharset(mCharset) );
}
if (mShell && aForceReflow) {
RemapStyleAndReflow();
}
return NS_OK;
}
NS_IMETHODIMP nsPresContext::GetBidi(PRUint32* aDest)
{
if (aDest)
*aDest = mBidi;
return NS_OK;
}
//Mohamed 17-1-01
NS_IMETHODIMP
nsPresContext::SetIsBidiSystem(PRBool aIsBidi)
{
mIsBidiSystem = aIsBidi;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetIsBidiSystem(PRBool& aResult) const
{
aResult = mIsBidiSystem;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetBidiCharset(nsAWritableString &aCharSet)
{
aCharSet = mCharset;
return NS_OK;
}
//Mohamed End
#endif //IBMBIDI
NS_IMETHODIMP
nsPresContext::GetLanguage(nsILanguageAtom** aLanguage)
{
NS_ENSURE_ARG_POINTER(aLanguage);
*aLanguage = mLanguage;
NS_IF_ADDREF(*aLanguage);
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::GetLanguageSpecificTransformType(
nsLanguageSpecificTransformType* aType)
{
NS_ENSURE_ARG_POINTER(aType);
*aType = mLanguageSpecificTransformType;
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::IsRenderingOnlySelection(PRBool* aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = mIsRenderingOnlySelection;
return NS_OK;
}
#ifdef MOZ_REFLOW_PERF
NS_IMETHODIMP
nsPresContext::CountReflows(const char * aName, PRUint32 aType, nsIFrame * aFrame)
{
if (mShell) {
mShell->CountReflows(aName, aType, aFrame);
}
return NS_OK;
}
NS_IMETHODIMP
nsPresContext::PaintCount(const char * aName, nsIRenderingContext* aRenderingContext, nsIFrame * aFrame, PRUint32 aColor)
{
if (mShell) {
mShell->PaintCount(aName, aRenderingContext, this, aFrame, aColor);
}
return NS_OK;
}
#endif
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