gecko-dev/dom/plugins/base/nsPluginInstanceOwner.cpp

3412 строки
107 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* 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/. */
#ifdef MOZ_X11
#include <cairo-xlib.h>
#include "gfxXlibSurface.h"
/* X headers suck */
enum { XKeyPress = KeyPress };
#include "mozilla/X11Util.h"
using mozilla::DefaultXDisplay;
#endif
#include "nsPluginInstanceOwner.h"
#include "gfxUtils.h"
#include "nsIRunnable.h"
#include "nsContentUtils.h"
#include "nsRect.h"
#include "nsSize.h"
#include "nsDisplayList.h"
#include "ImageLayers.h"
#include "GLImages.h"
#include "nsPluginFrame.h"
#include "nsIPluginDocument.h"
#include "nsIStringStream.h"
#include "nsNetUtil.h"
#include "mozilla/Preferences.h"
#include "nsILinkHandler.h"
#include "nsIDocShellTreeItem.h"
#include "nsIWebBrowserChrome.h"
#include "nsLayoutUtils.h"
#include "nsIPluginWidget.h"
#include "nsViewManager.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIDOMHTMLObjectElement.h"
#include "nsIAppShell.h"
#include "nsIObjectLoadingContent.h"
#include "nsObjectLoadingContent.h"
#include "nsAttrName.h"
#include "nsIFocusManager.h"
#include "nsFocusManager.h"
#include "nsIDOMDragEvent.h"
#include "nsIScriptSecurityManager.h"
#include "nsIScrollableFrame.h"
#include "nsIDocShell.h"
#include "ImageContainer.h"
#include "nsIDOMHTMLCollection.h"
#include "GLContext.h"
#include "EGLUtils.h"
#include "nsIContentInlines.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TextEvents.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/HTMLObjectElementBinding.h"
#include "mozilla/dom/TabChild.h"
#include "nsFrameSelection.h"
#include "PuppetWidget.h"
#include "nsPIWindowRoot.h"
#include "mozilla/IMEStateManager.h"
#include "mozilla/TextComposition.h"
#include "mozilla/AutoRestore.h"
#include "nsContentCID.h"
#include "nsWidgetsCID.h"
static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID);
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
#ifdef XP_WIN
#include <wtypes.h>
#include <winuser.h>
#include "mozilla/widget/WinMessages.h"
#endif // #ifdef XP_WIN
#ifdef XP_MACOSX
#include "ComplexTextInputPanel.h"
#include "nsIDOMXULDocument.h"
#include "nsIDOMXULCommandDispatcher.h"
#endif
#ifdef MOZ_WIDGET_GTK
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#endif
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::layers;
// special class for handeling DOM context menu events because for
// some reason it starves other mouse events if implemented on the
// same class
class nsPluginDOMContextMenuListener : public nsIDOMEventListener
{
virtual ~nsPluginDOMContextMenuListener();
public:
explicit nsPluginDOMContextMenuListener(nsIContent* aContent);
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
void Destroy(nsIContent* aContent);
nsEventStatus ProcessEvent(const WidgetGUIEvent& anEvent)
{
return nsEventStatus_eConsumeNoDefault;
}
};
class AsyncPaintWaitEvent : public Runnable
{
public:
AsyncPaintWaitEvent(nsIContent* aContent, bool aFinished) :
Runnable("AsyncPaintWaitEvent"),
mContent(aContent),
mFinished(aFinished)
{
}
NS_IMETHOD Run() override
{
nsContentUtils::DispatchTrustedEvent(mContent->OwnerDoc(), mContent,
mFinished ? NS_LITERAL_STRING("MozPaintWaitFinished") : NS_LITERAL_STRING("MozPaintWait"),
true, true);
return NS_OK;
}
private:
nsCOMPtr<nsIContent> mContent;
bool mFinished;
};
void
nsPluginInstanceOwner::NotifyPaintWaiter(nsDisplayListBuilder* aBuilder)
{
// This is notification for reftests about async plugin paint start
if (!mWaitingForPaint && !IsUpToDate() && aBuilder->ShouldSyncDecodeImages()) {
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
nsCOMPtr<nsIRunnable> event = new AsyncPaintWaitEvent(content, false);
// Run this event as soon as it's safe to do so, since listeners need to
// receive it immediately
nsContentUtils::AddScriptRunner(event);
mWaitingForPaint = true;
}
}
bool
nsPluginInstanceOwner::NeedsScrollImageLayer()
{
#if defined(XP_WIN)
// If this is a windowed plugin and we're doing layout in the content
// process, force the creation of an image layer for the plugin. We'll
// paint to this when scrolling.
return XRE_IsContentProcess() &&
mPluginWindow &&
mPluginWindow->type == NPWindowTypeWindow;
#else
return false;
#endif
}
already_AddRefed<ImageContainer>
nsPluginInstanceOwner::GetImageContainer()
{
if (!mInstance)
return nullptr;
RefPtr<ImageContainer> container;
if (NeedsScrollImageLayer()) {
// windowed plugin under e10s
#if defined(XP_WIN)
mInstance->GetScrollCaptureContainer(getter_AddRefs(container));
#endif
} else {
// async windowless rendering
mInstance->GetImageContainer(getter_AddRefs(container));
}
return container.forget();
}
void
nsPluginInstanceOwner::DidComposite()
{
if (mInstance) {
mInstance->DidComposite();
}
}
void
nsPluginInstanceOwner::SetBackgroundUnknown()
{
if (mInstance) {
mInstance->SetBackgroundUnknown();
}
}
already_AddRefed<mozilla::gfx::DrawTarget>
nsPluginInstanceOwner::BeginUpdateBackground(const nsIntRect& aRect)
{
nsIntRect rect = aRect;
RefPtr<DrawTarget> dt;
if (mInstance &&
NS_SUCCEEDED(mInstance->BeginUpdateBackground(&rect, getter_AddRefs(dt)))) {
return dt.forget();
}
return nullptr;
}
void
nsPluginInstanceOwner::EndUpdateBackground(const nsIntRect& aRect)
{
nsIntRect rect = aRect;
if (mInstance) {
mInstance->EndUpdateBackground(&rect);
}
}
bool
nsPluginInstanceOwner::UseAsyncRendering()
{
#ifdef XP_MACOSX
if (mUseAsyncRendering) {
return true;
}
#endif
bool isOOP;
bool result = (mInstance &&
NS_SUCCEEDED(mInstance->GetIsOOP(&isOOP)) && isOOP
#ifndef XP_MACOSX
&& (!mPluginWindow ||
mPluginWindow->type == NPWindowTypeDrawable)
#endif
);
#ifdef XP_MACOSX
if (result) {
mUseAsyncRendering = true;
}
#endif
return result;
}
nsIntSize
nsPluginInstanceOwner::GetCurrentImageSize()
{
nsIntSize size(0,0);
if (mInstance) {
mInstance->GetImageSize(&size);
}
return size;
}
nsPluginInstanceOwner::nsPluginInstanceOwner()
: mPluginWindow(nullptr)
{
// create nsPluginNativeWindow object, it is derived from NPWindow
// struct and allows to manipulate native window procedure
nsCOMPtr<nsIPluginHost> pluginHostCOM = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID);
mPluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
if (mPluginHost)
mPluginHost->NewPluginNativeWindow(&mPluginWindow);
mPluginFrame = nullptr;
mWidgetCreationComplete = false;
#ifdef XP_MACOSX
mSentInitialTopLevelWindowEvent = false;
mLastWindowIsActive = false;
mLastContentFocused = false;
mLastScaleFactor = 1.0;
mShouldBlurOnActivate = false;
#endif
mLastCSSZoomFactor = 1.0;
mContentFocused = false;
mWidgetVisible = true;
mPluginWindowVisible = false;
mPluginDocumentActiveState = true;
mLastMouseDownButtonType = -1;
#ifdef XP_MACOSX
#ifndef NP_NO_CARBON
// We don't support Carbon, but it is still the default model for i386 NPAPI.
mEventModel = NPEventModelCarbon;
#else
mEventModel = NPEventModelCocoa;
#endif
mUseAsyncRendering = false;
#endif
mWaitingForPaint = false;
#ifdef XP_WIN
mGotCompositionData = false;
mSentStartComposition = false;
mPluginDidNotHandleIMEComposition = false;
#endif
}
nsPluginInstanceOwner::~nsPluginInstanceOwner()
{
if (mWaitingForPaint) {
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (content) {
// We don't care when the event is dispatched as long as it's "soon",
// since whoever needs it will be waiting for it.
nsCOMPtr<nsIRunnable> event = new AsyncPaintWaitEvent(content, true);
NS_DispatchToMainThread(event);
}
}
mPluginFrame = nullptr;
PLUG_DeletePluginNativeWindow(mPluginWindow);
mPluginWindow = nullptr;
if (mInstance) {
mInstance->SetOwner(nullptr);
}
}
NS_IMPL_ISUPPORTS(nsPluginInstanceOwner,
nsIPluginInstanceOwner,
nsIDOMEventListener,
nsIPrivacyTransitionObserver,
nsIKeyEventInPluginCallback,
nsISupportsWeakReference)
nsresult
nsPluginInstanceOwner::SetInstance(nsNPAPIPluginInstance *aInstance)
{
NS_ASSERTION(!mInstance || !aInstance, "mInstance should only be set or unset!");
// If we're going to null out mInstance after use, be sure to call
// mInstance->SetOwner(nullptr) here, since it now won't be called
// from our destructor. This fixes bug 613376.
if (mInstance && !aInstance) {
mInstance->SetOwner(nullptr);
}
mInstance = aInstance;
nsCOMPtr<nsIDocument> doc;
GetDocument(getter_AddRefs(doc));
if (doc) {
if (nsCOMPtr<nsPIDOMWindowOuter> domWindow = doc->GetWindow()) {
nsCOMPtr<nsIDocShell> docShell = domWindow->GetDocShell();
if (docShell)
docShell->AddWeakPrivacyTransitionObserver(this);
}
}
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWindow(NPWindow *&aWindow)
{
NS_ASSERTION(mPluginWindow, "the plugin window object being returned is null");
aWindow = mPluginWindow;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMode(int32_t *aMode)
{
nsCOMPtr<nsIDocument> doc;
nsresult rv = GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIPluginDocument> pDoc (do_QueryInterface(doc));
if (pDoc) {
*aMode = NP_FULL;
} else {
*aMode = NP_EMBED;
}
return rv;
}
void nsPluginInstanceOwner::GetAttributes(nsTArray<MozPluginParameter>& attributes)
{
nsCOMPtr<nsIObjectLoadingContent> content = do_QueryReferent(mContent);
nsObjectLoadingContent *loadingContent =
static_cast<nsObjectLoadingContent*>(content.get());
loadingContent->GetPluginAttributes(attributes);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDOMElement(nsIDOMElement* *result)
{
return CallQueryReferent(mContent.get(), result);
}
nsresult nsPluginInstanceOwner::GetInstance(nsNPAPIPluginInstance **aInstance)
{
NS_ENSURE_ARG_POINTER(aInstance);
*aInstance = mInstance;
NS_IF_ADDREF(*aInstance);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL,
const char *aTarget,
nsIInputStream *aPostStream,
void *aHeadersData,
uint32_t aHeadersDataLen,
bool aDoCheckLoadURIChecks)
{
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (!content) {
return NS_ERROR_NULL_POINTER;
}
if (content->IsEditable()) {
return NS_OK;
}
nsIDocument *doc = content->GetUncomposedDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
nsIPresShell *presShell = doc->GetShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsPresContext *presContext = presShell->GetPresContext();
if (!presContext) {
return NS_ERROR_FAILURE;
}
// the container of the pres context will give us the link handler
nsCOMPtr<nsISupports> container = presContext->GetContainerWeak();
NS_ENSURE_TRUE(container,NS_ERROR_FAILURE);
nsCOMPtr<nsILinkHandler> lh = do_QueryInterface(container);
NS_ENSURE_TRUE(lh, NS_ERROR_FAILURE);
nsAutoString unitarget;
if ((0 == PL_strcmp(aTarget, "newwindow")) ||
(0 == PL_strcmp(aTarget, "_new"))) {
unitarget.AssignASCII("_blank");
}
else if (0 == PL_strcmp(aTarget, "_current")) {
unitarget.AssignASCII("_self");
}
else {
unitarget.AssignASCII(aTarget); // XXX could this be nonascii?
}
nsCOMPtr<nsIURI> baseURI = GetBaseURI();
// Create an absolute URL
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURI);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
nsCOMPtr<nsIInputStream> headersDataStream;
if (aPostStream && aHeadersData) {
if (!aHeadersDataLen)
return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIStringInputStream> sis = do_CreateInstance("@mozilla.org/io/string-input-stream;1");
if (!sis)
return NS_ERROR_OUT_OF_MEMORY;
rv = sis->SetData((char *)aHeadersData, aHeadersDataLen);
NS_ENSURE_SUCCESS(rv, rv);
headersDataStream = do_QueryInterface(sis);
}
int32_t blockPopups =
Preferences::GetInt("privacy.popups.disable_from_plugins");
nsAutoPopupStatePusher popupStatePusher((PopupControlState)blockPopups);
// if security checks (in particular CheckLoadURIWithPrincipal) needs
// to be skipped we are creating a codebasePrincipal to make sure
// that security check succeeds. Please note that we do not want to
// fall back to using the systemPrincipal, because that would also
// bypass ContentPolicy checks which should still be enforced.
nsCOMPtr<nsIPrincipal> triggeringPrincipal;
if (!aDoCheckLoadURIChecks) {
mozilla::OriginAttributes attrs =
BasePrincipal::Cast(content->NodePrincipal())->OriginAttributesRef();
triggeringPrincipal = BasePrincipal::CreateCodebasePrincipal(uri, attrs);
}
rv = lh->OnLinkClick(content, uri, unitarget.get(), NullString(),
aPostStream, headersDataStream, true, triggeringPrincipal);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument)
{
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (!aDocument || !content) {
return NS_ERROR_NULL_POINTER;
}
// XXX sXBL/XBL2 issue: current doc or owner doc?
// But keep in mind bug 322414 comment 33
NS_IF_ADDREF(*aDocument = content->OwnerDoc());
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRect(NPRect *invalidRect)
{
// If our object frame has gone away, we won't be able to determine
// up-to-date-ness, so just fire off the event.
if (mWaitingForPaint && (!mPluginFrame || IsUpToDate())) {
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
// We don't care when the event is dispatched as long as it's "soon",
// since whoever needs it will be waiting for it.
nsCOMPtr<nsIRunnable> event = new AsyncPaintWaitEvent(content, true);
NS_DispatchToMainThread(event);
mWaitingForPaint = false;
}
if (!mPluginFrame || !invalidRect || !mWidgetVisible)
return NS_ERROR_FAILURE;
#if defined(XP_MACOSX)
// Each time an asynchronously-drawing plugin sends a new surface to display,
// the image in the ImageContainer is updated and InvalidateRect is called.
RefPtr<ImageContainer> container;
mInstance->GetImageContainer(getter_AddRefs(container));
#endif
#ifndef XP_MACOSX
// Invalidate for windowed plugins needs to work.
if (mWidget) {
mWidget->Invalidate(
LayoutDeviceIntRect(invalidRect->left, invalidRect->top,
invalidRect->right - invalidRect->left,
invalidRect->bottom - invalidRect->top));
// Plugin instances also call invalidate when plugin windows are hidden
// during scrolling. In this case fall through so we invalidate the
// underlying layer.
if (!NeedsScrollImageLayer()) {
return NS_OK;
}
}
#endif
nsIntRect rect(invalidRect->left,
invalidRect->top,
invalidRect->right - invalidRect->left,
invalidRect->bottom - invalidRect->top);
// invalidRect is in "display pixels". In non-HiDPI modes "display pixels"
// are device pixels. But in HiDPI modes each display pixel corresponds
// to more than one device pixel.
double scaleFactor = 1.0;
GetContentsScaleFactor(&scaleFactor);
rect.ScaleRoundOut(scaleFactor);
mPluginFrame->InvalidateLayer(DisplayItemType::TYPE_PLUGIN, &rect);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRegion(NPRegion invalidRegion)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsPluginInstanceOwner::RedrawPlugin()
{
if (mPluginFrame) {
mPluginFrame->InvalidateLayer(DisplayItemType::TYPE_PLUGIN);
}
return NS_OK;
}
#if defined(XP_WIN)
nsIWidget*
nsPluginInstanceOwner::GetContainingWidgetIfOffset()
{
MOZ_ASSERT(mPluginFrame, "Caller should have checked for null mPluginFrame.");
// This property is provided to allow a "windowless" plugin to determine the window it is drawing
// in, so it can translate mouse coordinates it receives directly from the operating system
// to coordinates relative to itself.
// The original code returns the document's window, which is OK if the window the "windowless" plugin
// is drawing into has the same origin as the document's window, but this is not the case for "windowless" plugins inside of scrolling DIVs etc
// To make sure "windowless" plugins always get the right origin for translating mouse coordinates, this code
// determines the window handle of the mozilla window containing the "windowless" plugin.
// Given that this HWND may not be that of the document's window, there is a slight risk
// of confusing a plugin that is using this HWND for illicit purposes, but since the documentation
// does not suggest this HWND IS that of the document window, rather that of the window
// the plugin is drawn in, this seems like a safe fix.
// we only attempt to get the nearest window if this really is a "windowless" plugin so as not
// to change any behaviour for the much more common windowed plugins,
// though why this method would even be being called for a windowed plugin escapes me.
if (!XRE_IsContentProcess() &&
mPluginWindow && mPluginWindow->type == NPWindowTypeDrawable) {
// it turns out that flash also uses this window for determining focus, and is currently
// unable to show a caret correctly if we return the enclosing window. Therefore for
// now we only return the enclosing window when there is an actual offset which
// would otherwise cause coordinates to be offset incorrectly. (i.e.
// if the enclosing window if offset from the document window)
//
// fixing both the caret and ability to interact issues for a windowless control in a non document aligned windw
// does not seem to be possible without a change to the flash plugin
nsIWidget* win = mPluginFrame->GetNearestWidget();
if (win) {
nsView *view = nsView::GetViewFor(win);
NS_ASSERTION(view, "No view for widget");
nsPoint offset = view->GetOffsetTo(nullptr);
if (offset.x || offset.y) {
// in the case the two windows are offset from eachother, we do go ahead and return the correct enclosing window
// so that mouse co-ordinates are not messed up.
return win;
}
}
}
return nullptr;
}
static already_AddRefed<nsIWidget>
GetRootWidgetForPluginFrame(const nsPluginFrame* aPluginFrame)
{
MOZ_ASSERT(aPluginFrame);
nsViewManager* vm =
aPluginFrame->PresContext()->GetPresShell()->GetViewManager();
if (!vm) {
NS_WARNING("Could not find view manager for plugin frame.");
return nullptr;
}
nsCOMPtr<nsIWidget> rootWidget;
vm->GetRootWidget(getter_AddRefs(rootWidget));
return rootWidget.forget();
}
#endif
NS_IMETHODIMP nsPluginInstanceOwner::GetNetscapeWindow(void *value)
{
if (!mPluginFrame) {
NS_WARNING("plugin owner has no owner in getting doc's window handle");
return NS_ERROR_FAILURE;
}
#if defined(XP_WIN)
void** pvalue = (void**)value;
nsIWidget* offsetContainingWidget = GetContainingWidgetIfOffset();
if (offsetContainingWidget) {
*pvalue = (void*)offsetContainingWidget->GetNativeData(NS_NATIVE_WINDOW);
if (*pvalue) {
return NS_OK;
}
}
// simply return the topmost document window
nsCOMPtr<nsIWidget> widget = GetRootWidgetForPluginFrame(mPluginFrame);
if (widget) {
*pvalue = widget->GetNativeData(NS_NATIVE_SHAREABLE_WINDOW);
} else {
NS_ASSERTION(widget, "couldn't get doc's widget in getting doc's window handle");
}
return NS_OK;
#elif defined(MOZ_WIDGET_GTK) && defined(MOZ_X11)
// X11 window managers want the toplevel window for WM_TRANSIENT_FOR.
nsIWidget* win = mPluginFrame->GetNearestWidget();
if (!win)
return NS_ERROR_FAILURE;
*static_cast<Window*>(value) = (long unsigned int)win->GetNativeData(NS_NATIVE_SHAREABLE_WINDOW);
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
#if defined(XP_WIN)
void
nsPluginInstanceOwner::SetWidgetWindowAsParent(HWND aWindowToAdopt)
{
if (!mWidget) {
NS_ERROR("mWidget should exist before this gets called.");
return;
}
mWidget->SetNativeData(NS_NATIVE_CHILD_WINDOW,
reinterpret_cast<uintptr_t>(aWindowToAdopt));
}
nsresult
nsPluginInstanceOwner::SetNetscapeWindowAsParent(HWND aWindowToAdopt)
{
if (!mPluginFrame) {
NS_WARNING("Plugin owner has no plugin frame.");
return NS_ERROR_FAILURE;
}
// If there is a containing window that is offset then ask that to adopt.
nsIWidget* offsetWidget = GetContainingWidgetIfOffset();
if (offsetWidget) {
offsetWidget->SetNativeData(NS_NATIVE_CHILD_WINDOW,
reinterpret_cast<uintptr_t>(aWindowToAdopt));
return NS_OK;
}
// Otherwise ask the topmost document window to adopt.
nsCOMPtr<nsIWidget> rootWidget = GetRootWidgetForPluginFrame(mPluginFrame);
if (!rootWidget) {
NS_ASSERTION(rootWidget, "Couldn't get topmost document's widget.");
return NS_ERROR_FAILURE;
}
rootWidget->SetNativeData(NS_NATIVE_CHILD_OF_SHAREABLE_WINDOW,
reinterpret_cast<uintptr_t>(aWindowToAdopt));
return NS_OK;
}
bool
nsPluginInstanceOwner::GetCompositionString(uint32_t aType,
nsTArray<uint8_t>* aDist,
int32_t* aLength)
{
// Mark pkugin calls ImmGetCompositionStringW correctly
mGotCompositionData = true;
RefPtr<TextComposition> composition = GetTextComposition();
if (NS_WARN_IF(!composition)) {
return false;
}
switch(aType) {
case GCS_COMPSTR: {
if (!composition->IsComposing()) {
*aLength = 0;
return true;
}
uint32_t len = composition->LastData().Length() * sizeof(char16_t);
if (len) {
aDist->SetLength(len);
memcpy(aDist->Elements(), composition->LastData().get(), len);
}
*aLength = len;
return true;
}
case GCS_RESULTSTR: {
if (composition->IsComposing()) {
*aLength = 0;
return true;
}
uint32_t len = composition->LastData().Length() * sizeof(char16_t);
if (len) {
aDist->SetLength(len);
memcpy(aDist->Elements(), composition->LastData().get(), len);
}
*aLength = len;
return true;
}
case GCS_CURSORPOS: {
*aLength = 0;
TextRangeArray* ranges = composition->GetLastRanges();
if (!ranges) {
return true;
}
*aLength = ranges->GetCaretPosition();
if (*aLength < 0) {
return false;
}
return true;
}
case GCS_COMPATTR: {
TextRangeArray* ranges = composition->GetLastRanges();
if (!ranges || ranges->IsEmpty()) {
*aLength = 0;
return true;
}
aDist->SetLength(composition->LastData().Length());
memset(aDist->Elements(), ATTR_INPUT, aDist->Length());
for (TextRange& range : *ranges) {
uint8_t type = ATTR_INPUT;
switch(range.mRangeType) {
case TextRangeType::eRawClause:
type = ATTR_INPUT;
break;
case TextRangeType::eSelectedRawClause:
type = ATTR_TARGET_NOTCONVERTED;
break;
case TextRangeType::eConvertedClause:
type = ATTR_CONVERTED;
break;
case TextRangeType::eSelectedClause:
type = ATTR_TARGET_CONVERTED;
break;
default:
continue;
}
size_t minLen = std::min<size_t>(range.mEndOffset, aDist->Length());
for (size_t i = range.mStartOffset; i < minLen; i++) {
(*aDist)[i] = type;
}
}
*aLength = aDist->Length();
return true;
}
case GCS_COMPCLAUSE: {
RefPtr<TextRangeArray> ranges = composition->GetLastRanges();
if (!ranges || ranges->IsEmpty()) {
aDist->SetLength(sizeof(uint32_t));
memset(aDist->Elements(), 0, sizeof(uint32_t));
*aLength = aDist->Length();
return true;
}
AutoTArray<uint32_t, 16> clauses;
clauses.AppendElement(0);
for (TextRange& range : *ranges) {
if (!range.IsClause()) {
continue;
}
clauses.AppendElement(range.mEndOffset);
}
aDist->SetLength(clauses.Length() * sizeof(uint32_t));
memcpy(aDist->Elements(), clauses.Elements(), aDist->Length());
*aLength = aDist->Length();
return true;
}
case GCS_RESULTREADSTR: {
// When returning error causes unexpected error, so we return 0 instead.
*aLength = 0;
return true;
}
case GCS_RESULTCLAUSE: {
// When returning error causes unexpected error, so we return 0 instead.
*aLength = 0;
return true;
}
default:
NS_WARNING(
nsPrintfCString("Unsupported type %x of ImmGetCompositionStringW hook",
aType).get());
break;
}
return false;
}
bool
nsPluginInstanceOwner::SetCandidateWindow(
const widget::CandidateWindowPosition& aPosition)
{
if (NS_WARN_IF(!mPluginFrame)) {
return false;
}
nsCOMPtr<nsIWidget> widget = GetContainingWidgetIfOffset();
if (!widget) {
widget = GetRootWidgetForPluginFrame(mPluginFrame);
if (NS_WARN_IF(!widget)) {
return false;
}
}
widget->SetCandidateWindowForPlugin(aPosition);
return true;
}
bool
nsPluginInstanceOwner::RequestCommitOrCancel(bool aCommitted)
{
nsCOMPtr<nsIWidget> widget = GetContainingWidgetIfOffset();
if (!widget) {
widget = GetRootWidgetForPluginFrame(mPluginFrame);
if (NS_WARN_IF(!widget)) {
return false;
}
}
if (aCommitted) {
widget->NotifyIME(widget::REQUEST_TO_COMMIT_COMPOSITION);
} else {
widget->NotifyIME(widget::REQUEST_TO_CANCEL_COMPOSITION);
}
return true;
}
#endif // #ifdef XP_WIN
void
nsPluginInstanceOwner::HandledWindowedPluginKeyEvent(
const NativeEventData& aKeyEventData,
bool aIsConsumed)
{
if (NS_WARN_IF(!mInstance)) {
return;
}
DebugOnly<nsresult> rv =
mInstance->HandledWindowedPluginKeyEvent(aKeyEventData, aIsConsumed);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "HandledWindowedPluginKeyEvent fail");
}
void
nsPluginInstanceOwner::OnWindowedPluginKeyEvent(
const NativeEventData& aKeyEventData)
{
if (NS_WARN_IF(!mPluginFrame)) {
// Notifies the plugin process of the key event being not consumed by us.
HandledWindowedPluginKeyEvent(aKeyEventData, false);
return;
}
nsCOMPtr<nsIWidget> widget = mPluginFrame->PresContext()->GetRootWidget();
if (NS_WARN_IF(!widget)) {
// Notifies the plugin process of the key event being not consumed by us.
HandledWindowedPluginKeyEvent(aKeyEventData, false);
return;
}
nsresult rv = widget->OnWindowedPluginKeyEvent(aKeyEventData, this);
if (NS_WARN_IF(NS_FAILED(rv))) {
// Notifies the plugin process of the key event being not consumed by us.
HandledWindowedPluginKeyEvent(aKeyEventData, false);
return;
}
// If the key event is posted to another process, we need to wait a call
// of HandledWindowedPluginKeyEvent(). So, nothing to do here in this case.
if (rv == NS_SUCCESS_EVENT_HANDLED_ASYNCHRONOUSLY) {
return;
}
// Otherwise, the key event is handled synchronously. Let's notify the
// plugin process of the key event's result.
bool consumed = (rv == NS_SUCCESS_EVENT_CONSUMED);
HandledWindowedPluginKeyEvent(aKeyEventData, consumed);
}
NS_IMETHODIMP nsPluginInstanceOwner::SetEventModel(int32_t eventModel)
{
#ifdef XP_MACOSX
mEventModel = static_cast<NPEventModel>(eventModel);
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
#ifdef XP_MACOSX
NPBool nsPluginInstanceOwner::ConvertPointPuppet(PuppetWidget *widget,
nsPluginFrame* pluginFrame,
double sourceX, double sourceY,
NPCoordinateSpace sourceSpace,
double *destX, double *destY,
NPCoordinateSpace destSpace)
{
NS_ENSURE_TRUE(widget && widget->GetOwningTabChild() && pluginFrame, false);
// Caller has to want a result.
NS_ENSURE_TRUE(destX || destY, false);
if (sourceSpace == destSpace) {
if (destX) {
*destX = sourceX;
}
if (destY) {
*destY = sourceY;
}
return true;
}
nsPresContext* presContext = pluginFrame->PresContext();
CSSToLayoutDeviceScale scaleFactor(
double(nsPresContext::AppUnitsPerCSSPixel()) /
presContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom());
PuppetWidget *puppetWidget = static_cast<PuppetWidget*>(widget);
PuppetWidget *rootWidget = static_cast<PuppetWidget*>(widget->GetTopLevelWidget());
if (!rootWidget) {
return false;
}
CSSIntPoint chromeSize = CSSIntPoint::Truncate(
LayoutDeviceIntPoint::FromUnknownPoint(rootWidget->GetChromeDimensions()) /
scaleFactor);
nsIntSize intScreenDims = rootWidget->GetScreenDimensions();
CSSIntSize screenDims = CSSIntSize::Truncate(
LayoutDeviceIntSize::FromUnknownSize(intScreenDims) / scaleFactor);
int32_t screenH = screenDims.height;
CSSIntPoint windowPosition = CSSIntPoint::Truncate(
LayoutDeviceIntPoint::FromUnknownPoint(rootWidget->GetWindowPosition()) /
scaleFactor);
// Window size is tab size + chrome size.
LayoutDeviceIntRect tabContentBounds = puppetWidget->GetBounds();
tabContentBounds.ScaleInverseRoundOut(scaleFactor.scale);
int32_t windowH = tabContentBounds.height + int(chromeSize.y);
CSSIntPoint pluginPosition = pluginFrame->GetScreenRect().TopLeft();
// Convert (sourceX, sourceY) to 'real' (not PuppetWidget) screen space.
// In OSX, the Y-axis increases upward, which is the reverse of ours.
// We want OSX coordinates for window and screen so those equations are swapped.
CSSIntPoint sourcePoint = CSSIntPoint::Truncate(sourceX, sourceY);
CSSIntPoint screenPoint;
switch (sourceSpace) {
case NPCoordinateSpacePlugin:
screenPoint = sourcePoint + pluginPosition +
CSSIntPoint::Truncate(CSSPoint::FromAppUnits(
pluginFrame->GetContentRectRelativeToSelf().TopLeft()));
break;
case NPCoordinateSpaceWindow:
screenPoint = CSSIntPoint(sourcePoint.x, windowH-sourcePoint.y) +
windowPosition;
break;
case NPCoordinateSpaceFlippedWindow:
screenPoint = sourcePoint + windowPosition;
break;
case NPCoordinateSpaceScreen:
screenPoint = CSSIntPoint(sourcePoint.x, screenH-sourcePoint.y);
break;
case NPCoordinateSpaceFlippedScreen:
screenPoint = sourcePoint;
break;
default:
return false;
}
// Convert from screen to dest space.
CSSIntPoint destPoint;
switch (destSpace) {
case NPCoordinateSpacePlugin:
destPoint = screenPoint - pluginPosition -
CSSIntPoint::Truncate(CSSPoint::FromAppUnits(
pluginFrame->GetContentRectRelativeToSelf().TopLeft()));
break;
case NPCoordinateSpaceWindow:
destPoint = screenPoint - windowPosition;
destPoint.y = windowH - destPoint.y;
break;
case NPCoordinateSpaceFlippedWindow:
destPoint = screenPoint - windowPosition;
break;
case NPCoordinateSpaceScreen:
destPoint = CSSIntPoint(screenPoint.x, screenH-screenPoint.y);
break;
case NPCoordinateSpaceFlippedScreen:
destPoint = screenPoint;
break;
default:
return false;
}
if (destX) {
*destX = destPoint.x;
}
if (destY) {
*destY = destPoint.y;
}
return true;
}
NPBool nsPluginInstanceOwner::ConvertPointNoPuppet(nsIWidget *widget,
nsPluginFrame* pluginFrame,
double sourceX, double sourceY,
NPCoordinateSpace sourceSpace,
double *destX, double *destY,
NPCoordinateSpace destSpace)
{
NS_ENSURE_TRUE(widget && pluginFrame, false);
// Caller has to want a result.
NS_ENSURE_TRUE(destX || destY, false);
if (sourceSpace == destSpace) {
if (destX) {
*destX = sourceX;
}
if (destY) {
*destY = sourceY;
}
return true;
}
nsPresContext* presContext = pluginFrame->PresContext();
double scaleFactor = double(nsPresContext::AppUnitsPerCSSPixel())/
presContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom();
nsCOMPtr<nsIScreen> screen = widget->GetWidgetScreen();
if (!screen) {
return false;
}
int32_t screenX, screenY, screenWidth, screenHeight;
screen->GetRect(&screenX, &screenY, &screenWidth, &screenHeight);
screenHeight /= scaleFactor;
LayoutDeviceIntRect windowScreenBounds = widget->GetScreenBounds();
windowScreenBounds.ScaleInverseRoundOut(scaleFactor);
int32_t windowX = windowScreenBounds.x;
int32_t windowY = windowScreenBounds.y;
int32_t windowHeight = windowScreenBounds.height;
CSSIntRect pluginScreenRect = pluginFrame->GetScreenRect();
double screenXGecko, screenYGecko;
switch (sourceSpace) {
case NPCoordinateSpacePlugin:
screenXGecko = pluginScreenRect.x + sourceX;
screenYGecko = pluginScreenRect.y + sourceY;
break;
case NPCoordinateSpaceWindow:
screenXGecko = windowX + sourceX;
screenYGecko = windowY + (windowHeight - sourceY);
break;
case NPCoordinateSpaceFlippedWindow:
screenXGecko = windowX + sourceX;
screenYGecko = windowY + sourceY;
break;
case NPCoordinateSpaceScreen:
screenXGecko = sourceX;
screenYGecko = screenHeight - sourceY;
break;
case NPCoordinateSpaceFlippedScreen:
screenXGecko = sourceX;
screenYGecko = sourceY;
break;
default:
return false;
}
double destXCocoa, destYCocoa;
switch (destSpace) {
case NPCoordinateSpacePlugin:
destXCocoa = screenXGecko - pluginScreenRect.x;
destYCocoa = screenYGecko - pluginScreenRect.y;
break;
case NPCoordinateSpaceWindow:
destXCocoa = screenXGecko - windowX;
destYCocoa = windowHeight - (screenYGecko - windowY);
break;
case NPCoordinateSpaceFlippedWindow:
destXCocoa = screenXGecko - windowX;
destYCocoa = screenYGecko - windowY;
break;
case NPCoordinateSpaceScreen:
destXCocoa = screenXGecko;
destYCocoa = screenHeight - screenYGecko;
break;
case NPCoordinateSpaceFlippedScreen:
destXCocoa = screenXGecko;
destYCocoa = screenYGecko;
break;
default:
return false;
}
if (destX) {
*destX = destXCocoa;
}
if (destY) {
*destY = destYCocoa;
}
return true;
}
#endif // XP_MACOSX
NPBool nsPluginInstanceOwner::ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace)
{
#ifdef XP_MACOSX
if (!mPluginFrame) {
return false;
}
MOZ_ASSERT(mPluginFrame->GetNearestWidget());
if (nsIWidget::UsePuppetWidgets()) {
return ConvertPointPuppet(static_cast<PuppetWidget*>(mPluginFrame->GetNearestWidget()),
mPluginFrame, sourceX, sourceY, sourceSpace,
destX, destY, destSpace);
}
return ConvertPointNoPuppet(mPluginFrame->GetNearestWidget(),
mPluginFrame, sourceX, sourceY, sourceSpace,
destX, destY, destSpace);
#else
return false;
#endif
}
NPError nsPluginInstanceOwner::InitAsyncSurface(NPSize *size, NPImageFormat format,
void *initData, NPAsyncSurface *surface)
{
return NPERR_INCOMPATIBLE_VERSION_ERROR;
}
NPError nsPluginInstanceOwner::FinalizeAsyncSurface(NPAsyncSurface *)
{
return NPERR_INCOMPATIBLE_VERSION_ERROR;
}
void nsPluginInstanceOwner::SetCurrentAsyncSurface(NPAsyncSurface *, NPRect*)
{
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagType(nsPluginTagType *result)
{
NS_ENSURE_ARG_POINTER(result);
*result = nsPluginTagType_Unknown;
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (content->IsHTMLElement(nsGkAtoms::embed))
*result = nsPluginTagType_Embed;
else if (content->IsHTMLElement(nsGkAtoms::object))
*result = nsPluginTagType_Object;
return NS_OK;
}
void nsPluginInstanceOwner::GetParameters(nsTArray<MozPluginParameter>& parameters)
{
nsCOMPtr<nsIObjectLoadingContent> content = do_QueryReferent(mContent);
nsObjectLoadingContent *loadingContent =
static_cast<nsObjectLoadingContent*>(content.get());
loadingContent->GetPluginParameters(parameters);
}
#ifdef XP_MACOSX
static void InitializeNPCocoaEvent(NPCocoaEvent* event)
{
memset(event, 0, sizeof(NPCocoaEvent));
}
NPDrawingModel nsPluginInstanceOwner::GetDrawingModel()
{
#ifndef NP_NO_QUICKDRAW
// We don't support the Quickdraw drawing model any more but it's still
// the default model for i386 per NPAPI.
NPDrawingModel drawingModel = NPDrawingModelQuickDraw;
#else
NPDrawingModel drawingModel = NPDrawingModelCoreGraphics;
#endif
if (!mInstance)
return drawingModel;
mInstance->GetDrawingModel((int32_t*)&drawingModel);
return drawingModel;
}
bool nsPluginInstanceOwner::IsRemoteDrawingCoreAnimation()
{
if (!mInstance)
return false;
bool coreAnimation;
if (!NS_SUCCEEDED(mInstance->IsRemoteDrawingCoreAnimation(&coreAnimation)))
return false;
return coreAnimation;
}
NPEventModel nsPluginInstanceOwner::GetEventModel()
{
return mEventModel;
}
#define DEFAULT_REFRESH_RATE 20 // 50 FPS
nsCOMPtr<nsITimer> *nsPluginInstanceOwner::sCATimer = nullptr;
nsTArray<nsPluginInstanceOwner*> *nsPluginInstanceOwner::sCARefreshListeners = nullptr;
void nsPluginInstanceOwner::CARefresh(nsITimer *aTimer, void *aClosure) {
if (!sCARefreshListeners) {
return;
}
for (size_t i = 0; i < sCARefreshListeners->Length(); i++) {
nsPluginInstanceOwner* instanceOwner = (*sCARefreshListeners)[i];
NPWindow *window;
instanceOwner->GetWindow(window);
if (!window) {
continue;
}
NPRect r;
r.left = 0;
r.top = 0;
r.right = window->width;
r.bottom = window->height;
instanceOwner->InvalidateRect(&r);
}
}
void nsPluginInstanceOwner::AddToCARefreshTimer() {
if (!mInstance) {
return;
}
// Flash invokes InvalidateRect for us.
const char* mime = nullptr;
if (NS_SUCCEEDED(mInstance->GetMIMEType(&mime)) && mime &&
nsPluginHost::GetSpecialType(nsDependentCString(mime)) ==
nsPluginHost::eSpecialType_Flash) {
return;
}
if (!sCARefreshListeners) {
sCARefreshListeners = new nsTArray<nsPluginInstanceOwner*>();
}
if (sCARefreshListeners->Contains(this)) {
return;
}
sCARefreshListeners->AppendElement(this);
if (!sCATimer) {
sCATimer = new nsCOMPtr<nsITimer>();
}
if (sCARefreshListeners->Length() == 1) {
*sCATimer = do_CreateInstance("@mozilla.org/timer;1");
(*sCATimer)->InitWithNamedFuncCallback(CARefresh, nullptr,
DEFAULT_REFRESH_RATE, nsITimer::TYPE_REPEATING_SLACK,
"nsPluginInstanceOwner::CARefresh");
}
}
void nsPluginInstanceOwner::RemoveFromCARefreshTimer() {
if (!sCARefreshListeners || sCARefreshListeners->Contains(this) == false) {
return;
}
sCARefreshListeners->RemoveElement(this);
if (sCARefreshListeners->Length() == 0) {
if (sCATimer) {
(*sCATimer)->Cancel();
delete sCATimer;
sCATimer = nullptr;
}
delete sCARefreshListeners;
sCARefreshListeners = nullptr;
}
}
void nsPluginInstanceOwner::SetPluginPort()
{
void* pluginPort = GetPluginPort();
if (!pluginPort || !mPluginWindow)
return;
mPluginWindow->window = pluginPort;
}
#endif
#if defined(XP_MACOSX) || defined(XP_WIN)
nsresult nsPluginInstanceOwner::ContentsScaleFactorChanged(double aContentsScaleFactor)
{
if (!mInstance) {
return NS_ERROR_NULL_POINTER;
}
return mInstance->ContentsScaleFactorChanged(aContentsScaleFactor);
}
#endif
// static
uint32_t
nsPluginInstanceOwner::GetEventloopNestingLevel()
{
nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
uint32_t currentLevel = 0;
if (appShell) {
appShell->GetEventloopNestingLevel(&currentLevel);
#ifdef XP_MACOSX
// Cocoa widget code doesn't process UI events through the normal
// appshell event loop, so it needs an additional count here.
currentLevel++;
#endif
}
// No idea how this happens... but Linux doesn't consistently
// process UI events through the appshell event loop. If we get a 0
// here on any platform we increment the level just in case so that
// we make sure we always tear the plugin down eventually.
if (!currentLevel) {
currentLevel++;
}
return currentLevel;
}
nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent)
{
#ifndef XP_MACOSX
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow)) {
// continue only for cases without child window
return aFocusEvent->PreventDefault(); // consume event
}
#endif
WidgetEvent* theEvent = aFocusEvent->WidgetEventPtr();
if (theEvent) {
WidgetGUIEvent focusEvent(theEvent->IsTrusted(), theEvent->mMessage,
nullptr);
nsEventStatus rv = ProcessEvent(focusEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aFocusEvent->PreventDefault();
aFocusEvent->StopPropagation();
}
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::ProcessKeyPress(nsIDOMEvent* aKeyEvent)
{
#ifdef XP_MACOSX
return DispatchKeyToPlugin(aKeyEvent);
#else
if (SendNativeEvents())
DispatchKeyToPlugin(aKeyEvent);
if (mInstance) {
// If this event is going to the plugin, we want to kill it.
// Not actually sending keypress to the plugin, since we didn't before.
aKeyEvent->PreventDefault();
aKeyEvent->StopPropagation();
}
return NS_OK;
#endif
}
nsresult nsPluginInstanceOwner::DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent)
{
#if !defined(XP_MACOSX)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aKeyEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
if (mInstance) {
WidgetKeyboardEvent* keyEvent =
aKeyEvent->WidgetEventPtr()->AsKeyboardEvent();
if (keyEvent && keyEvent->mClass == eKeyboardEventClass) {
nsEventStatus rv = ProcessEvent(*keyEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aKeyEvent->PreventDefault();
aKeyEvent->StopPropagation();
}
}
}
return NS_OK;
}
nsresult
nsPluginInstanceOwner::ProcessMouseDown(nsIDOMEvent* aMouseEvent)
{
#if !defined(XP_MACOSX)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// if the plugin is windowless, we need to set focus ourselves
// otherwise, we might not get key events
if (mPluginFrame && mPluginWindow &&
mPluginWindow->type == NPWindowTypeDrawable) {
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm) {
nsCOMPtr<nsIDOMElement> elem = do_QueryReferent(mContent);
fm->SetFocus(elem, 0);
}
}
WidgetMouseEvent* mouseEvent =
aMouseEvent->WidgetEventPtr()->AsMouseEvent();
if (mouseEvent && mouseEvent->mClass == eMouseEventClass) {
mLastMouseDownButtonType = mouseEvent->button;
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
return aMouseEvent->PreventDefault(); // consume event
}
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent,
bool aAllowPropagate)
{
#if !defined(XP_MACOSX)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// don't send mouse events if we are hidden
if (!mWidgetVisible)
return NS_OK;
WidgetMouseEvent* mouseEvent =
aMouseEvent->WidgetEventPtr()->AsMouseEvent();
if (mouseEvent && mouseEvent->mClass == eMouseEventClass) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aMouseEvent->PreventDefault();
if (!aAllowPropagate) {
aMouseEvent->StopPropagation();
}
}
if (mouseEvent->mMessage == eMouseUp) {
mLastMouseDownButtonType = -1;
}
}
return NS_OK;
}
#ifdef XP_WIN
void
nsPluginInstanceOwner::CallDefaultProc(const WidgetGUIEvent* aEvent)
{
nsCOMPtr<nsIWidget> widget = GetContainingWidgetIfOffset();
if (!widget) {
widget = GetRootWidgetForPluginFrame(mPluginFrame);
if (NS_WARN_IF(!widget)) {
return;
}
}
const NPEvent* npEvent =
static_cast<const NPEvent*>(aEvent->mPluginEvent);
if (NS_WARN_IF(!npEvent)) {
return;
}
WidgetPluginEvent pluginEvent(true, ePluginInputEvent, widget);
pluginEvent.mPluginEvent.Copy(*npEvent);
widget->DefaultProcOfPluginEvent(pluginEvent);
}
already_AddRefed<TextComposition>
nsPluginInstanceOwner::GetTextComposition()
{
if (NS_WARN_IF(!mPluginFrame)) {
return nullptr;
}
nsCOMPtr<nsIWidget> widget = GetContainingWidgetIfOffset();
if (!widget) {
widget = GetRootWidgetForPluginFrame(mPluginFrame);
if (NS_WARN_IF(!widget)) {
return nullptr;
}
}
RefPtr<TextComposition> composition =
IMEStateManager::GetTextCompositionFor(widget);
if (NS_WARN_IF(!composition)) {
return nullptr;
}
return composition.forget();
}
void
nsPluginInstanceOwner::HandleNoConsumedCompositionMessage(
WidgetCompositionEvent* aCompositionEvent,
const NPEvent* aPluginEvent)
{
nsCOMPtr<nsIWidget> widget = GetContainingWidgetIfOffset();
if (!widget) {
widget = GetRootWidgetForPluginFrame(mPluginFrame);
if (NS_WARN_IF(!widget)) {
return;
}
}
NPEvent npevent;
if (aPluginEvent->lParam & GCS_RESULTSTR) {
// GCS_RESULTSTR's default proc will generate WM_CHAR. So emulate it.
for (size_t i = 0; i < aCompositionEvent->mData.Length(); i++) {
WidgetPluginEvent charEvent(true, ePluginInputEvent, widget);
npevent.event = WM_CHAR;
npevent.wParam = aCompositionEvent->mData[i];
npevent.lParam = 0;
charEvent.mPluginEvent.Copy(npevent);
ProcessEvent(charEvent);
}
return;
}
if (!mSentStartComposition) {
// We post WM_IME_COMPOSITION to default proc, but
// WM_IME_STARTCOMPOSITION isn't post yet. We should post it at first.
WidgetPluginEvent startEvent(true, ePluginInputEvent, widget);
npevent.event = WM_IME_STARTCOMPOSITION;
npevent.wParam = 0;
npevent.lParam = 0;
startEvent.mPluginEvent.Copy(npevent);
CallDefaultProc(&startEvent);
mSentStartComposition = true;
}
CallDefaultProc(aCompositionEvent);
}
#endif
nsresult
nsPluginInstanceOwner::DispatchCompositionToPlugin(nsIDOMEvent* aEvent)
{
#ifdef XP_WIN
if (!mPluginWindow) {
// CompositionEvent isn't cancellable. So it is unnecessary to call
// PreventDefaults() to consume event
return NS_OK;
}
WidgetCompositionEvent* compositionEvent =
aEvent->WidgetEventPtr()->AsCompositionEvent();
if (NS_WARN_IF(!compositionEvent)) {
return NS_ERROR_INVALID_ARG;
}
if (compositionEvent->mMessage == eCompositionChange) {
RefPtr<TextComposition> composition = GetTextComposition();
if (NS_WARN_IF(!composition)) {
return NS_ERROR_FAILURE;
}
TextComposition::CompositionChangeEventHandlingMarker
compositionChangeEventHandlingMarker(composition, compositionEvent);
}
const NPEvent* pPluginEvent =
static_cast<const NPEvent*>(compositionEvent->mPluginEvent);
if (pPluginEvent && pPluginEvent->event == WM_IME_COMPOSITION &&
mPluginDidNotHandleIMEComposition) {
// This is a workaround when running windowed and windowless Flash on
// same process.
// Flash with protected mode calls IMM APIs on own render process. This
// is a bug of Flash's protected mode.
// ImmGetCompositionString with GCS_RESULTSTR returns *LAST* committed
// string. So when windowed mode Flash handles IME composition,
// windowless plugin can get windowed mode's commited string by that API.
// So we never post WM_IME_COMPOSITION when plugin doesn't call
// ImmGetCompositionString() during WM_IME_COMPOSITION correctly.
HandleNoConsumedCompositionMessage(compositionEvent, pPluginEvent);
aEvent->StopImmediatePropagation();
return NS_OK;
}
// Protected mode Flash returns noDefault by NPP_HandleEvent, but
// composition information into plugin is invalid because plugin's bug.
// So if plugin doesn't get composition data by WM_IME_COMPOSITION, we
// recongnize it isn't handled
AutoRestore<bool> restore(mGotCompositionData);
mGotCompositionData = false;
nsEventStatus status = ProcessEvent(*compositionEvent);
aEvent->StopImmediatePropagation();
// Composition event isn't handled by plugin, so we have to call default proc.
if (NS_WARN_IF(!pPluginEvent)) {
return NS_OK;
}
if (pPluginEvent->event == WM_IME_STARTCOMPOSITION) {
// Flash's protected mode lies that composition event is handled, but it
// cannot do it well. So even if handled, we should post this message when
// no IMM API calls during WM_IME_COMPOSITION.
if (nsEventStatus_eConsumeNoDefault != status) {
CallDefaultProc(compositionEvent);
mSentStartComposition = true;
} else {
mSentStartComposition = false;
}
mPluginDidNotHandleIMEComposition = false;
return NS_OK;
}
if (pPluginEvent->event == WM_IME_ENDCOMPOSITION) {
// Always post WM_END_COMPOSITION to default proc. Because Flash may lie
// that it doesn't handle composition well, but event is handled.
// Even if posting this message, default proc do nothing if unnecessary.
CallDefaultProc(compositionEvent);
return NS_OK;
}
if (pPluginEvent->event == WM_IME_COMPOSITION && !mGotCompositionData) {
// If plugin doesn't handle WM_IME_COMPOSITION correctly, we don't send
// composition event until end composition.
mPluginDidNotHandleIMEComposition = true;
HandleNoConsumedCompositionMessage(compositionEvent, pPluginEvent);
}
#endif // #ifdef XP_WIN
return NS_OK;
}
nsresult
nsPluginInstanceOwner::HandleEvent(nsIDOMEvent* aEvent)
{
NS_ASSERTION(mInstance, "Should have a valid plugin instance or not receive events.");
nsAutoString eventType;
aEvent->GetType(eventType);
#ifdef XP_MACOSX
if (eventType.EqualsLiteral("activate") ||
eventType.EqualsLiteral("deactivate")) {
WindowFocusMayHaveChanged();
return NS_OK;
}
if (eventType.EqualsLiteral("MozPerformDelayedBlur")) {
if (mShouldBlurOnActivate) {
WidgetGUIEvent blurEvent(true, eBlur, nullptr);
ProcessEvent(blurEvent);
mShouldBlurOnActivate = false;
}
return NS_OK;
}
#endif
if (eventType.EqualsLiteral("focus")) {
mContentFocused = true;
return DispatchFocusToPlugin(aEvent);
}
if (eventType.EqualsLiteral("blur")) {
mContentFocused = false;
return DispatchFocusToPlugin(aEvent);
}
if (eventType.EqualsLiteral("mousedown")) {
return ProcessMouseDown(aEvent);
}
if (eventType.EqualsLiteral("mouseup")) {
return DispatchMouseToPlugin(aEvent);
}
if (eventType.EqualsLiteral("mousemove")) {
return DispatchMouseToPlugin(aEvent, true);
}
if (eventType.EqualsLiteral("click") ||
eventType.EqualsLiteral("dblclick") ||
eventType.EqualsLiteral("mouseover") ||
eventType.EqualsLiteral("mouseout")) {
return DispatchMouseToPlugin(aEvent);
}
if (eventType.EqualsLiteral("keydown") ||
eventType.EqualsLiteral("keyup")) {
return DispatchKeyToPlugin(aEvent);
}
if (eventType.EqualsLiteral("keypress")) {
return ProcessKeyPress(aEvent);
}
if (eventType.EqualsLiteral("compositionstart") ||
eventType.EqualsLiteral("compositionend") ||
eventType.EqualsLiteral("text")) {
return DispatchCompositionToPlugin(aEvent);
}
nsCOMPtr<nsIDOMDragEvent> dragEvent(do_QueryInterface(aEvent));
if (dragEvent && mInstance) {
WidgetEvent* ievent = aEvent->WidgetEventPtr();
if (ievent && ievent->IsTrusted() &&
ievent->mMessage != eDragEnter && ievent->mMessage != eDragOver) {
aEvent->PreventDefault();
}
// Let the plugin handle drag events.
aEvent->StopPropagation();
}
return NS_OK;
}
#ifdef MOZ_X11
static unsigned int XInputEventState(const WidgetInputEvent& anEvent)
{
unsigned int state = 0;
if (anEvent.IsShift()) state |= ShiftMask;
if (anEvent.IsControl()) state |= ControlMask;
if (anEvent.IsAlt()) state |= Mod1Mask;
if (anEvent.IsMeta()) state |= Mod4Mask;
return state;
}
#endif
#ifdef XP_MACOSX
// Returns whether or not content is the content that is or would be
// focused if the top-level chrome window was active.
static bool
ContentIsFocusedWithinWindow(nsIContent* aContent)
{
nsPIDOMWindowOuter* outerWindow = aContent->OwnerDoc()->GetWindow();
if (!outerWindow) {
return false;
}
nsPIDOMWindowOuter* rootWindow = outerWindow->GetPrivateRoot();
if (!rootWindow) {
return false;
}
nsFocusManager* fm = nsFocusManager::GetFocusManager();
if (!fm) {
return false;
}
nsCOMPtr<nsPIDOMWindowOuter> focusedFrame;
nsCOMPtr<nsIContent> focusedContent = fm->GetFocusedDescendant(rootWindow, true, getter_AddRefs(focusedFrame));
return (focusedContent.get() == aContent);
}
static NPCocoaEventType
CocoaEventTypeForEvent(const WidgetGUIEvent& anEvent, nsIFrame* aObjectFrame)
{
const NPCocoaEvent* event = static_cast<const NPCocoaEvent*>(anEvent.mPluginEvent);
if (event) {
return event->type;
}
switch (anEvent.mMessage) {
case eMouseOver:
return NPCocoaEventMouseEntered;
case eMouseOut:
return NPCocoaEventMouseExited;
case eMouseMove: {
// We don't know via information on events from the widget code whether or not
// we're dragging. The widget code just generates mouse move events from native
// drag events. If anybody is capturing, this is a drag event.
if (nsIPresShell::GetCapturingContent()) {
return NPCocoaEventMouseDragged;
}
return NPCocoaEventMouseMoved;
}
case eMouseDown:
return NPCocoaEventMouseDown;
case eMouseUp:
return NPCocoaEventMouseUp;
case eKeyDown:
return NPCocoaEventKeyDown;
case eKeyUp:
return NPCocoaEventKeyUp;
case eFocus:
case eBlur:
return NPCocoaEventFocusChanged;
case eLegacyMouseLineOrPageScroll:
return NPCocoaEventScrollWheel;
default:
return (NPCocoaEventType)0;
}
}
static NPCocoaEvent
TranslateToNPCocoaEvent(WidgetGUIEvent* anEvent, nsIFrame* aObjectFrame)
{
NPCocoaEvent cocoaEvent;
InitializeNPCocoaEvent(&cocoaEvent);
cocoaEvent.type = CocoaEventTypeForEvent(*anEvent, aObjectFrame);
if (anEvent->mMessage == eMouseMove ||
anEvent->mMessage == eMouseDown ||
anEvent->mMessage == eMouseUp ||
anEvent->mMessage == eLegacyMouseLineOrPageScroll ||
anEvent->mMessage == eMouseOver ||
anEvent->mMessage == eMouseOut)
{
nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(anEvent, aObjectFrame) -
aObjectFrame->GetContentRectRelativeToSelf().TopLeft();
nsPresContext* presContext = aObjectFrame->PresContext();
// Plugin event coordinates need to be translated from device pixels
// into "display pixels" in HiDPI modes.
double scaleFactor = double(nsPresContext::AppUnitsPerCSSPixel())/
aObjectFrame->PresContext()->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom();
size_t intScaleFactor = ceil(scaleFactor);
nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x) / intScaleFactor,
presContext->AppUnitsToDevPixels(pt.y) / intScaleFactor);
cocoaEvent.data.mouse.pluginX = double(ptPx.x);
cocoaEvent.data.mouse.pluginY = double(ptPx.y);
}
switch (anEvent->mMessage) {
case eMouseDown:
case eMouseUp: {
WidgetMouseEvent* mouseEvent = anEvent->AsMouseEvent();
if (mouseEvent) {
switch (mouseEvent->button) {
case WidgetMouseEvent::eLeftButton:
cocoaEvent.data.mouse.buttonNumber = 0;
break;
case WidgetMouseEvent::eRightButton:
cocoaEvent.data.mouse.buttonNumber = 1;
break;
case WidgetMouseEvent::eMiddleButton:
cocoaEvent.data.mouse.buttonNumber = 2;
break;
default:
NS_WARNING("Mouse button we don't know about?");
}
cocoaEvent.data.mouse.clickCount = mouseEvent->mClickCount;
} else {
NS_WARNING("eMouseUp/DOWN is not a WidgetMouseEvent?");
}
break;
}
case eLegacyMouseLineOrPageScroll: {
WidgetWheelEvent* wheelEvent = anEvent->AsWheelEvent();
if (wheelEvent) {
cocoaEvent.data.mouse.deltaX = wheelEvent->mLineOrPageDeltaX;
cocoaEvent.data.mouse.deltaY = wheelEvent->mLineOrPageDeltaY;
} else {
NS_WARNING("eLegacyMouseLineOrPageScroll is not a WidgetWheelEvent? "
"(could be, haven't checked)");
}
break;
}
case eKeyDown:
case eKeyUp:
{
WidgetKeyboardEvent* keyEvent = anEvent->AsKeyboardEvent();
// That keyEvent->mPluginTextEventString is non-empty is a signal that we should
// create a text event for the plugin, instead of a key event.
if (anEvent->mMessage == eKeyDown &&
!keyEvent->mPluginTextEventString.IsEmpty()) {
cocoaEvent.type = NPCocoaEventTextInput;
const char16_t* pluginTextEventString = keyEvent->mPluginTextEventString.get();
cocoaEvent.data.text.text = (NPNSString*)
::CFStringCreateWithCharacters(NULL,
reinterpret_cast<const UniChar*>(pluginTextEventString),
keyEvent->mPluginTextEventString.Length());
} else {
cocoaEvent.data.key.keyCode = keyEvent->mNativeKeyCode;
cocoaEvent.data.key.isARepeat = keyEvent->mIsRepeat;
cocoaEvent.data.key.modifierFlags = keyEvent->mNativeModifierFlags;
const char16_t* nativeChars = keyEvent->mNativeCharacters.get();
cocoaEvent.data.key.characters = (NPNSString*)
::CFStringCreateWithCharacters(NULL,
reinterpret_cast<const UniChar*>(nativeChars),
keyEvent->mNativeCharacters.Length());
const char16_t* nativeCharsIgnoringModifiers = keyEvent->mNativeCharactersIgnoringModifiers.get();
cocoaEvent.data.key.charactersIgnoringModifiers = (NPNSString*)
::CFStringCreateWithCharacters(NULL,
reinterpret_cast<const UniChar*>(nativeCharsIgnoringModifiers),
keyEvent->mNativeCharactersIgnoringModifiers.Length());
}
break;
}
case eFocus:
case eBlur:
cocoaEvent.data.focus.hasFocus = (anEvent->mMessage == eFocus);
break;
default:
break;
}
return cocoaEvent;
}
void nsPluginInstanceOwner::PerformDelayedBlurs()
{
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
nsCOMPtr<EventTarget> windowRoot = content->OwnerDoc()->GetWindow()->GetTopWindowRoot();
nsContentUtils::DispatchTrustedEvent(content->OwnerDoc(),
windowRoot,
NS_LITERAL_STRING("MozPerformDelayedBlur"),
false, false, nullptr);
}
#endif
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const WidgetGUIEvent& anEvent)
{
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance || !mPluginFrame) {
return nsEventStatus_eIgnore;
}
#ifdef XP_MACOSX
NPEventModel eventModel = GetEventModel();
if (eventModel != NPEventModelCocoa) {
return nsEventStatus_eIgnore;
}
// In the Cocoa event model, focus is per-window. Don't tell a plugin it lost
// focus unless it lost focus within the window. For example, ignore a blur
// event if it's coming due to the plugin's window deactivating.
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (anEvent.mMessage == eBlur && ContentIsFocusedWithinWindow(content)) {
mShouldBlurOnActivate = true;
return nsEventStatus_eIgnore;
}
// Also, don't tell the plugin it gained focus again after we've already given
// it focus. This might happen if it has focus, its window is blurred, then the
// window is made active again. The plugin never lost in-window focus, so it
// shouldn't get a focus event again.
if (anEvent.mMessage == eFocus && mLastContentFocused == true) {
mShouldBlurOnActivate = false;
return nsEventStatus_eIgnore;
}
// Now, if we're going to send a focus event, update mLastContentFocused and
// tell any plugins in our window that we have taken focus, so they should
// perform any delayed blurs.
if (anEvent.mMessage == eFocus || anEvent.mMessage == eBlur) {
mLastContentFocused = (anEvent.mMessage == eFocus);
mShouldBlurOnActivate = false;
PerformDelayedBlurs();
}
NPCocoaEvent cocoaEvent = TranslateToNPCocoaEvent(const_cast<WidgetGUIEvent*>(&anEvent), mPluginFrame);
if (cocoaEvent.type == (NPCocoaEventType)0) {
return nsEventStatus_eIgnore;
}
if (cocoaEvent.type == NPCocoaEventTextInput) {
mInstance->HandleEvent(&cocoaEvent, nullptr);
return nsEventStatus_eConsumeNoDefault;
}
int16_t response = kNPEventNotHandled;
mInstance->HandleEvent(&cocoaEvent,
&response,
NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
if ((response == kNPEventStartIME) && (cocoaEvent.type == NPCocoaEventKeyDown)) {
nsIWidget* widget = mPluginFrame->GetNearestWidget();
if (widget) {
const WidgetKeyboardEvent* keyEvent = anEvent.AsKeyboardEvent();
double screenX, screenY;
ConvertPoint(0.0, mPluginFrame->GetScreenRect().height,
NPCoordinateSpacePlugin, &screenX, &screenY,
NPCoordinateSpaceScreen);
nsAutoString outText;
if (NS_SUCCEEDED(widget->StartPluginIME(*keyEvent, screenX, screenY, outText)) &&
!outText.IsEmpty()) {
CFStringRef cfString =
::CFStringCreateWithCharacters(kCFAllocatorDefault,
reinterpret_cast<const UniChar*>(outText.get()),
outText.Length());
NPCocoaEvent textEvent;
InitializeNPCocoaEvent(&textEvent);
textEvent.type = NPCocoaEventTextInput;
textEvent.data.text.text = (NPNSString*)cfString;
mInstance->HandleEvent(&textEvent, nullptr);
}
}
}
bool handled = (response == kNPEventHandled || response == kNPEventStartIME);
bool leftMouseButtonDown = (anEvent.mMessage == eMouseDown) &&
(anEvent.AsMouseEvent()->button == WidgetMouseEvent::eLeftButton);
if (handled && !(leftMouseButtonDown && !mContentFocused)) {
rv = nsEventStatus_eConsumeNoDefault;
}
#endif
#ifdef XP_WIN
// this code supports windowless plugins
const NPEvent *pPluginEvent = static_cast<const NPEvent*>(anEvent.mPluginEvent);
// we can get synthetic events from the EventStateManager... these
// have no pluginEvent
NPEvent pluginEvent;
if (anEvent.mClass == eMouseEventClass ||
anEvent.mClass == eWheelEventClass) {
if (!pPluginEvent) {
// XXX Should extend this list to synthesize events for more event
// types
pluginEvent.event = 0;
bool initWParamWithCurrentState = true;
switch (anEvent.mMessage) {
case eMouseMove: {
pluginEvent.event = WM_MOUSEMOVE;
break;
}
case eMouseDown: {
static const int downMsgs[] =
{ WM_LBUTTONDOWN, WM_MBUTTONDOWN, WM_RBUTTONDOWN };
static const int dblClickMsgs[] =
{ WM_LBUTTONDBLCLK, WM_MBUTTONDBLCLK, WM_RBUTTONDBLCLK };
const WidgetMouseEvent* mouseEvent = anEvent.AsMouseEvent();
if (mouseEvent->mClickCount == 2) {
pluginEvent.event = dblClickMsgs[mouseEvent->button];
} else {
pluginEvent.event = downMsgs[mouseEvent->button];
}
break;
}
case eMouseUp: {
static const int upMsgs[] =
{ WM_LBUTTONUP, WM_MBUTTONUP, WM_RBUTTONUP };
const WidgetMouseEvent* mouseEvent = anEvent.AsMouseEvent();
pluginEvent.event = upMsgs[mouseEvent->button];
break;
}
// For plugins which don't support high-resolution scroll, we should
// generate legacy resolution wheel messages. I.e., the delta value
// should be WHEEL_DELTA * n.
case eWheel: {
const WidgetWheelEvent* wheelEvent = anEvent.AsWheelEvent();
int32_t delta = 0;
if (wheelEvent->mLineOrPageDeltaY) {
switch (wheelEvent->mDeltaMode) {
case nsIDOMWheelEvent::DOM_DELTA_PAGE:
pluginEvent.event = WM_MOUSEWHEEL;
delta = -WHEEL_DELTA * wheelEvent->mLineOrPageDeltaY;
break;
case nsIDOMWheelEvent::DOM_DELTA_LINE: {
UINT linesPerWheelDelta = 0;
if (NS_WARN_IF(!::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
&linesPerWheelDelta, 0))) {
// Use system default scroll amount, 3, when
// SPI_GETWHEELSCROLLLINES isn't available.
linesPerWheelDelta = 3;
}
if (!linesPerWheelDelta) {
break;
}
pluginEvent.event = WM_MOUSEWHEEL;
delta = -WHEEL_DELTA / linesPerWheelDelta;
delta *= wheelEvent->mLineOrPageDeltaY;
break;
}
case nsIDOMWheelEvent::DOM_DELTA_PIXEL:
default:
// We don't support WM_GESTURE with this path.
MOZ_ASSERT(!pluginEvent.event);
break;
}
} else if (wheelEvent->mLineOrPageDeltaX) {
switch (wheelEvent->mDeltaMode) {
case nsIDOMWheelEvent::DOM_DELTA_PAGE:
pluginEvent.event = WM_MOUSEHWHEEL;
delta = -WHEEL_DELTA * wheelEvent->mLineOrPageDeltaX;
break;
case nsIDOMWheelEvent::DOM_DELTA_LINE: {
pluginEvent.event = WM_MOUSEHWHEEL;
UINT charsPerWheelDelta = 0;
// FYI: SPI_GETWHEELSCROLLCHARS is available on Vista or later.
if (::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0,
&charsPerWheelDelta, 0)) {
// Use system default scroll amount, 3, when
// SPI_GETWHEELSCROLLCHARS isn't available.
charsPerWheelDelta = 3;
}
if (!charsPerWheelDelta) {
break;
}
delta = WHEEL_DELTA / charsPerWheelDelta;
delta *= wheelEvent->mLineOrPageDeltaX;
break;
}
case nsIDOMWheelEvent::DOM_DELTA_PIXEL:
default:
// We don't support WM_GESTURE with this path.
MOZ_ASSERT(!pluginEvent.event);
break;
}
}
if (!pluginEvent.event) {
break;
}
initWParamWithCurrentState = false;
int32_t modifiers =
(wheelEvent->IsControl() ? MK_CONTROL : 0) |
(wheelEvent->IsShift() ? MK_SHIFT : 0) |
(wheelEvent->IsLeftButtonPressed() ? MK_LBUTTON : 0) |
(wheelEvent->IsMiddleButtonPressed() ? MK_MBUTTON : 0) |
(wheelEvent->IsRightButtonPressed() ? MK_RBUTTON : 0) |
(wheelEvent->Is4thButtonPressed() ? MK_XBUTTON1 : 0) |
(wheelEvent->Is5thButtonPressed() ? MK_XBUTTON2 : 0);
pluginEvent.wParam = MAKEWPARAM(modifiers, delta);
pPluginEvent = &pluginEvent;
break;
}
// don't synthesize anything for eMouseDoubleClick, since that
// is a synthetic event generated on mouse-up, and Windows WM_*DBLCLK
// messages are sent on mouse-down
default:
break;
}
if (pluginEvent.event && initWParamWithCurrentState) {
pPluginEvent = &pluginEvent;
pluginEvent.wParam =
(::GetKeyState(VK_CONTROL) ? MK_CONTROL : 0) |
(::GetKeyState(VK_SHIFT) ? MK_SHIFT : 0) |
(::GetKeyState(VK_LBUTTON) ? MK_LBUTTON : 0) |
(::GetKeyState(VK_MBUTTON) ? MK_MBUTTON : 0) |
(::GetKeyState(VK_RBUTTON) ? MK_RBUTTON : 0) |
(::GetKeyState(VK_XBUTTON1) ? MK_XBUTTON1 : 0) |
(::GetKeyState(VK_XBUTTON2) ? MK_XBUTTON2 : 0);
}
}
if (pPluginEvent) {
// Make event coordinates relative to our enclosing widget,
// not the widget they were received on.
// See use of NPEvent in widget/windows/nsWindow.cpp
// for why this assert should be safe
NS_ASSERTION(anEvent.mMessage == eMouseDown ||
anEvent.mMessage == eMouseUp ||
anEvent.mMessage == eMouseDoubleClick ||
anEvent.mMessage == eMouseAuxClick ||
anEvent.mMessage == eMouseOver ||
anEvent.mMessage == eMouseOut ||
anEvent.mMessage == eMouseMove ||
anEvent.mMessage == eWheel,
"Incorrect event type for coordinate translation");
nsPoint pt =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mPluginFrame) -
mPluginFrame->GetContentRectRelativeToSelf().TopLeft();
nsPresContext* presContext = mPluginFrame->PresContext();
nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x),
presContext->AppUnitsToDevPixels(pt.y));
nsIntPoint widgetPtPx = ptPx + mPluginFrame->GetWindowOriginInPixels(true);
const_cast<NPEvent*>(pPluginEvent)->lParam = MAKELPARAM(widgetPtPx.x, widgetPtPx.y);
}
}
else if (!pPluginEvent) {
switch (anEvent.mMessage) {
case eFocus:
pluginEvent.event = WM_SETFOCUS;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
pPluginEvent = &pluginEvent;
break;
case eBlur:
pluginEvent.event = WM_KILLFOCUS;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
pPluginEvent = &pluginEvent;
break;
default:
break;
}
}
if (pPluginEvent && !pPluginEvent->event) {
// Don't send null events to plugins.
NS_WARNING("nsPluginFrame ProcessEvent: trying to send null event to plugin.");
return rv;
}
if (pPluginEvent) {
int16_t response = kNPEventNotHandled;
mInstance->HandleEvent(const_cast<NPEvent*>(pPluginEvent),
&response,
NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
if (response == kNPEventHandled)
rv = nsEventStatus_eConsumeNoDefault;
}
#endif
#ifdef MOZ_X11
// this code supports windowless plugins
nsIWidget* widget = anEvent.mWidget;
XEvent pluginEvent = XEvent();
pluginEvent.type = 0;
switch(anEvent.mClass) {
case eMouseEventClass:
{
switch (anEvent.mMessage) {
case eMouseClick:
case eMouseDoubleClick:
case eMouseAuxClick:
// Button up/down events sent instead.
return rv;
default:
break;
}
// Get reference point relative to plugin origin.
const nsPresContext* presContext = mPluginFrame->PresContext();
nsPoint appPoint =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mPluginFrame) -
mPluginFrame->GetContentRectRelativeToSelf().TopLeft();
nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x),
presContext->AppUnitsToDevPixels(appPoint.y));
const WidgetMouseEvent& mouseEvent = *anEvent.AsMouseEvent();
// Get reference point relative to screen:
LayoutDeviceIntPoint rootPoint(-1, -1);
if (widget) {
rootPoint = anEvent.mRefPoint + widget->WidgetToScreenOffset();
}
#ifdef MOZ_WIDGET_GTK
Window root = GDK_ROOT_WINDOW();
#else
Window root = X11None; // Could XQueryTree, but this is not important.
#endif
switch (anEvent.mMessage) {
case eMouseOver:
case eMouseOut:
{
XCrossingEvent& event = pluginEvent.xcrossing;
event.type = anEvent.mMessage == eMouseOver ?
EnterNotify : LeaveNotify;
event.root = root;
event.time = anEvent.mTime;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = X11None;
event.mode = -1;
event.detail = NotifyDetailNone;
event.same_screen = True;
event.focus = mContentFocused;
}
break;
case eMouseMove:
{
XMotionEvent& event = pluginEvent.xmotion;
event.type = MotionNotify;
event.root = root;
event.time = anEvent.mTime;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = X11None;
event.is_hint = NotifyNormal;
event.same_screen = True;
}
break;
case eMouseDown:
case eMouseUp:
{
XButtonEvent& event = pluginEvent.xbutton;
event.type = anEvent.mMessage == eMouseDown ?
ButtonPress : ButtonRelease;
event.root = root;
event.time = anEvent.mTime;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
switch (mouseEvent.button)
{
case WidgetMouseEvent::eMiddleButton:
event.button = 2;
break;
case WidgetMouseEvent::eRightButton:
event.button = 3;
break;
default: // WidgetMouseEvent::eLeftButton;
event.button = 1;
break;
}
// information lost:
event.subwindow = X11None;
event.same_screen = True;
}
break;
default:
break;
}
}
break;
//XXX case eMouseScrollEventClass: not received.
case eKeyboardEventClass:
if (anEvent.mPluginEvent)
{
XKeyEvent &event = pluginEvent.xkey;
#ifdef MOZ_WIDGET_GTK
event.root = GDK_ROOT_WINDOW();
event.time = anEvent.mTime;
const GdkEventKey* gdkEvent =
static_cast<const GdkEventKey*>(anEvent.mPluginEvent);
event.keycode = gdkEvent->hardware_keycode;
event.state = gdkEvent->state;
switch (anEvent.mMessage)
{
case eKeyDown:
// Handle eKeyDown for modifier key presses
// For non-modifiers we get eKeyPress
if (gdkEvent->is_modifier)
event.type = XKeyPress;
break;
case eKeyPress:
event.type = XKeyPress;
break;
case eKeyUp:
event.type = KeyRelease;
break;
default:
break;
}
#endif
// Information that could be obtained from pluginEvent but we may not
// want to promise to provide:
event.subwindow = X11None;
event.x = 0;
event.y = 0;
event.x_root = -1;
event.y_root = -1;
event.same_screen = False;
}
else
{
// If we need to send synthesized key events, then
// DOMKeyCodeToGdkKeyCode(keyEvent.keyCode) and
// gdk_keymap_get_entries_for_keyval will be useful, but the
// mappings will not be unique.
NS_WARNING("Synthesized key event not sent to plugin");
}
break;
default:
switch (anEvent.mMessage) {
case eFocus:
case eBlur:
{
XFocusChangeEvent &event = pluginEvent.xfocus;
event.type = anEvent.mMessage == eFocus ? FocusIn : FocusOut;
// information lost:
event.mode = -1;
event.detail = NotifyDetailNone;
}
break;
default:
break;
}
}
if (!pluginEvent.type) {
return rv;
}
// Fill in (useless) generic event information.
XAnyEvent& event = pluginEvent.xany;
event.display = widget ?
static_cast<Display*>(widget->GetNativeData(NS_NATIVE_DISPLAY)) : nullptr;
event.window = X11None; // not a real window
// information lost:
event.serial = 0;
event.send_event = False;
int16_t response = kNPEventNotHandled;
mInstance->HandleEvent(&pluginEvent, &response, NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
if (response == kNPEventHandled)
rv = nsEventStatus_eConsumeNoDefault;
#endif
return rv;
}
nsresult
nsPluginInstanceOwner::Destroy()
{
SetFrame(nullptr);
#ifdef XP_MACOSX
RemoveFromCARefreshTimer();
#endif
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
// unregister context menu listener
if (mCXMenuListener) {
mCXMenuListener->Destroy(content);
mCXMenuListener = nullptr;
}
content->RemoveEventListener(NS_LITERAL_STRING("focus"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("blur"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("click"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("dblclick"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, false);
content->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("drop"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("drag"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("dragenter"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("dragover"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("dragleave"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("dragexit"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("dragstart"), this, true);
content->RemoveEventListener(NS_LITERAL_STRING("dragend"), this, true);
content->RemoveSystemEventListener(NS_LITERAL_STRING("compositionstart"),
this, true);
content->RemoveSystemEventListener(NS_LITERAL_STRING("compositionend"),
this, true);
content->RemoveSystemEventListener(NS_LITERAL_STRING("text"), this, true);
if (mWidget) {
if (mPluginWindow) {
mPluginWindow->SetPluginWidget(nullptr);
}
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget) {
pluginWidget->SetPluginInstanceOwner(nullptr);
}
mWidget->Destroy();
}
return NS_OK;
}
// Paints are handled differently, so we just simulate an update event.
#ifdef XP_MACOSX
void nsPluginInstanceOwner::Paint(const gfxRect& aDirtyRect, CGContextRef cgContext)
{
if (!mInstance || !mPluginFrame)
return;
gfxRect dirtyRectCopy = aDirtyRect;
double scaleFactor = 1.0;
GetContentsScaleFactor(&scaleFactor);
if (scaleFactor != 1.0) {
::CGContextScaleCTM(cgContext, scaleFactor, scaleFactor);
// Convert aDirtyRect from device pixels to "display pixels"
// for HiDPI modes
dirtyRectCopy.ScaleRoundOut(1.0 / scaleFactor);
}
DoCocoaEventDrawRect(dirtyRectCopy, cgContext);
}
void nsPluginInstanceOwner::DoCocoaEventDrawRect(const gfxRect& aDrawRect, CGContextRef cgContext)
{
if (!mInstance || !mPluginFrame)
return;
// The context given here is only valid during the HandleEvent call.
NPCocoaEvent updateEvent;
InitializeNPCocoaEvent(&updateEvent);
updateEvent.type = NPCocoaEventDrawRect;
updateEvent.data.draw.context = cgContext;
updateEvent.data.draw.x = aDrawRect.X();
updateEvent.data.draw.y = aDrawRect.Y();
updateEvent.data.draw.width = aDrawRect.Width();
updateEvent.data.draw.height = aDrawRect.Height();
mInstance->HandleEvent(&updateEvent, nullptr);
}
#endif
#ifdef XP_WIN
void nsPluginInstanceOwner::Paint(const RECT& aDirty, HDC aDC)
{
if (!mInstance || !mPluginFrame)
return;
NPEvent pluginEvent;
pluginEvent.event = WM_PAINT;
pluginEvent.wParam = WPARAM(aDC);
pluginEvent.lParam = LPARAM(&aDirty);
mInstance->HandleEvent(&pluginEvent, nullptr);
}
#endif
#if defined(MOZ_X11)
void nsPluginInstanceOwner::Paint(gfxContext* aContext,
const gfxRect& aFrameRect,
const gfxRect& aDirtyRect)
{
if (!mInstance || !mPluginFrame)
return;
// to provide crisper and faster drawing.
gfxRect pluginRect = aFrameRect;
if (aContext->UserToDevicePixelSnapped(pluginRect)) {
pluginRect = aContext->DeviceToUser(pluginRect);
}
// Round out the dirty rect to plugin pixels to ensure the plugin draws
// enough pixels for interpolation to device pixels.
gfxRect dirtyRect = aDirtyRect - pluginRect.TopLeft();
dirtyRect.RoundOut();
// Plugins can only draw an integer number of pixels.
//
// With translation-only transformation matrices, pluginRect is already
// pixel-aligned.
//
// With more complex transformations, modifying the scales in the
// transformation matrix could retain subpixel accuracy and let the plugin
// draw a suitable number of pixels for interpolation to device pixels in
// Renderer::Draw, but such cases are not common enough to warrant the
// effort now.
nsIntSize pluginSize(NS_lround(pluginRect.width),
NS_lround(pluginRect.height));
// Determine what the plugin needs to draw.
nsIntRect pluginDirtyRect(int32_t(dirtyRect.x),
int32_t(dirtyRect.y),
int32_t(dirtyRect.width),
int32_t(dirtyRect.height));
if (!pluginDirtyRect.
IntersectRect(nsIntRect(0, 0, pluginSize.width, pluginSize.height),
pluginDirtyRect))
return;
NPWindow* window;
GetWindow(window);
uint32_t rendererFlags = 0;
if (!mFlash10Quirks) {
rendererFlags |=
Renderer::DRAW_SUPPORTS_CLIP_RECT |
Renderer::DRAW_SUPPORTS_ALTERNATE_VISUAL;
}
bool transparent;
mInstance->IsTransparent(&transparent);
if (!transparent)
rendererFlags |= Renderer::DRAW_IS_OPAQUE;
// Renderer::Draw() draws a rectangle with top-left at the aContext origin.
gfxContextAutoSaveRestore autoSR(aContext);
aContext->SetMatrix(
aContext->CurrentMatrix().PreTranslate(pluginRect.TopLeft()));
Renderer renderer(window, this, pluginSize, pluginDirtyRect);
Display* dpy = mozilla::DefaultXDisplay();
Screen* screen = DefaultScreenOfDisplay(dpy);
Visual* visual = DefaultVisualOfScreen(screen);
renderer.Draw(aContext, nsIntSize(window->width, window->height),
rendererFlags, screen, visual);
}
nsresult
nsPluginInstanceOwner::Renderer::DrawWithXlib(cairo_surface_t* xsurface,
nsIntPoint offset,
nsIntRect *clipRects,
uint32_t numClipRects)
{
Screen *screen = cairo_xlib_surface_get_screen(xsurface);
Colormap colormap;
Visual* visual;
if (!gfxXlibSurface::GetColormapAndVisual(xsurface, &colormap, &visual)) {
NS_ERROR("Failed to get visual and colormap");
return NS_ERROR_UNEXPECTED;
}
nsNPAPIPluginInstance *instance = mInstanceOwner->mInstance;
if (!instance)
return NS_ERROR_FAILURE;
// See if the plugin must be notified of new window parameters.
bool doupdatewindow = false;
if (mWindow->x != offset.x || mWindow->y != offset.y) {
mWindow->x = offset.x;
mWindow->y = offset.y;
doupdatewindow = true;
}
if (nsIntSize(mWindow->width, mWindow->height) != mPluginSize) {
mWindow->width = mPluginSize.width;
mWindow->height = mPluginSize.height;
doupdatewindow = true;
}
// The clip rect is relative to drawable top-left.
NS_ASSERTION(numClipRects <= 1, "We don't support multiple clip rectangles!");
nsIntRect clipRect;
if (numClipRects) {
clipRect.x = clipRects[0].x;
clipRect.y = clipRects[0].y;
clipRect.width = clipRects[0].width;
clipRect.height = clipRects[0].height;
// NPRect members are unsigned, but clip rectangles should be contained by
// the surface.
NS_ASSERTION(clipRect.x >= 0 && clipRect.y >= 0,
"Clip rectangle offsets are negative!");
}
else {
clipRect.x = offset.x;
clipRect.y = offset.y;
clipRect.width = mWindow->width;
clipRect.height = mWindow->height;
// Don't ask the plugin to draw outside the drawable.
// This also ensures that the unsigned clip rectangle offsets won't be -ve.
clipRect.IntersectRect(clipRect,
nsIntRect(0, 0,
cairo_xlib_surface_get_width(xsurface),
cairo_xlib_surface_get_height(xsurface)));
}
NPRect newClipRect;
newClipRect.left = clipRect.x;
newClipRect.top = clipRect.y;
newClipRect.right = clipRect.XMost();
newClipRect.bottom = clipRect.YMost();
if (mWindow->clipRect.left != newClipRect.left ||
mWindow->clipRect.top != newClipRect.top ||
mWindow->clipRect.right != newClipRect.right ||
mWindow->clipRect.bottom != newClipRect.bottom) {
mWindow->clipRect = newClipRect;
doupdatewindow = true;
}
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(mWindow->ws_info);
#ifdef MOZ_X11
if (ws_info->visual != visual || ws_info->colormap != colormap) {
ws_info->visual = visual;
ws_info->colormap = colormap;
ws_info->depth = gfxXlibSurface::DepthOfVisual(screen, visual);
doupdatewindow = true;
}
#endif
{
if (doupdatewindow)
instance->SetWindow(mWindow);
}
// Translate the dirty rect to drawable coordinates.
nsIntRect dirtyRect = mDirtyRect + offset;
if (mInstanceOwner->mFlash10Quirks) {
// Work around a bug in Flash up to 10.1 d51 at least, where expose event
// top left coordinates within the plugin-rect and not at the drawable
// origin are misinterpreted. (We can move the top left coordinate
// provided it is within the clipRect.)
dirtyRect.SetRect(offset.x, offset.y,
mDirtyRect.XMost(), mDirtyRect.YMost());
}
// Intersect the dirty rect with the clip rect to ensure that it lies within
// the drawable.
if (!dirtyRect.IntersectRect(dirtyRect, clipRect))
return NS_OK;
{
XEvent pluginEvent = XEvent();
XGraphicsExposeEvent& exposeEvent = pluginEvent.xgraphicsexpose;
// set the drawing info
exposeEvent.type = GraphicsExpose;
exposeEvent.display = DisplayOfScreen(screen);
exposeEvent.drawable = cairo_xlib_surface_get_drawable(xsurface);
exposeEvent.x = dirtyRect.x;
exposeEvent.y = dirtyRect.y;
exposeEvent.width = dirtyRect.width;
exposeEvent.height = dirtyRect.height;
exposeEvent.count = 0;
// information not set:
exposeEvent.serial = 0;
exposeEvent.send_event = False;
exposeEvent.major_code = 0;
exposeEvent.minor_code = 0;
instance->HandleEvent(&pluginEvent, nullptr);
}
return NS_OK;
}
#endif
nsresult nsPluginInstanceOwner::Init(nsIContent* aContent)
{
mLastEventloopNestingLevel = GetEventloopNestingLevel();
mContent = do_GetWeakReference(aContent);
// Get a frame, don't reflow. If a reflow was necessary it should have been
// done at a higher level than this (content).
nsIFrame* frame = aContent->GetPrimaryFrame();
nsIObjectFrame* iObjFrame = do_QueryFrame(frame);
nsPluginFrame* objFrame = static_cast<nsPluginFrame*>(iObjFrame);
if (objFrame) {
SetFrame(objFrame);
// Some plugins require a specific sequence of shutdown and startup when
// a page is reloaded. Shutdown happens usually when the last instance
// is destroyed. Here we make sure the plugin instance in the old
// document is destroyed before we try to create the new one.
objFrame->PresContext()->EnsureVisible();
} else {
NS_NOTREACHED("Should not be initializing plugin without a frame");
return NS_ERROR_FAILURE;
}
// register context menu listener
mCXMenuListener = new nsPluginDOMContextMenuListener(aContent);
aContent->AddEventListener(NS_LITERAL_STRING("focus"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("blur"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("mouseup"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("mousedown"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("mousemove"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("click"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("dblclick"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("mouseover"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("mouseout"), this, false,
false);
aContent->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("drop"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("drag"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("dragenter"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("dragover"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("dragleave"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("dragexit"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("dragstart"), this, true);
aContent->AddEventListener(NS_LITERAL_STRING("dragend"), this, true);
aContent->AddSystemEventListener(NS_LITERAL_STRING("compositionstart"),
this, true);
aContent->AddSystemEventListener(NS_LITERAL_STRING("compositionend"), this,
true);
aContent->AddSystemEventListener(NS_LITERAL_STRING("text"), this, true);
return NS_OK;
}
void* nsPluginInstanceOwner::GetPluginPort()
{
void* result = nullptr;
if (mWidget) {
#ifdef XP_WIN
if (!mPluginWindow || mPluginWindow->type == NPWindowTypeWindow)
#endif
result = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT); // HWND/gdk window
}
return result;
}
void nsPluginInstanceOwner::ReleasePluginPort(void * pluginPort)
{
}
NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
{
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
// Can't call this twice!
if (mWidget) {
NS_WARNING("Trying to create a plugin widget twice!");
return NS_ERROR_FAILURE;
}
bool windowless = false;
mInstance->IsWindowless(&windowless);
if (!windowless) {
#ifndef XP_WIN
// Only Windows supports windowed mode!
MOZ_ASSERT_UNREACHABLE();
return NS_ERROR_FAILURE;
#else
// Try to get a parent widget, on some platforms widget creation will fail without
// a parent.
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIWidget> parentWidget;
nsIDocument *doc = nullptr;
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (content) {
doc = content->OwnerDoc();
parentWidget = nsContentUtils::WidgetForDocument(doc);
// If we're running in the content process, we need a remote widget created in chrome.
if (XRE_IsContentProcess()) {
if (nsCOMPtr<nsPIDOMWindowOuter> window = doc->GetWindow()) {
if (nsCOMPtr<nsPIDOMWindowOuter> topWindow = window->GetTop()) {
dom::TabChild* tc = dom::TabChild::GetFrom(topWindow);
if (tc) {
// This returns a PluginWidgetProxy which remotes a number of calls.
rv = tc->CreatePluginWidget(parentWidget.get(), getter_AddRefs(mWidget));
if (NS_FAILED(rv)) {
return rv;
}
}
}
}
}
}
// A failure here is terminal since we can't fall back on the non-e10s code
// path below.
if (!mWidget && XRE_IsContentProcess()) {
return NS_ERROR_UNEXPECTED;
}
if (!mWidget) {
// native (single process)
mWidget = do_CreateInstance(kWidgetCID, &rv);
nsWidgetInitData initData;
initData.mWindowType = eWindowType_plugin;
initData.mUnicode = false;
initData.clipChildren = true;
initData.clipSiblings = true;
rv = mWidget->Create(parentWidget.get(), nullptr,
LayoutDeviceIntRect(0, 0, 0, 0), &initData);
if (NS_FAILED(rv)) {
mWidget->Destroy();
mWidget = nullptr;
return rv;
}
}
mWidget->EnableDragDrop(true);
mWidget->Show(false);
mWidget->Enable(false);
#endif // XP_WIN
}
if (mPluginFrame) {
// nullptr widget is fine, will result in windowless setup.
mPluginFrame->PrepForDrawing(mWidget);
}
if (windowless) {
mPluginWindow->type = NPWindowTypeDrawable;
// this needs to be a HDC according to the spec, but I do
// not see the right way to release it so let's postpone
// passing HDC till paint event when it is really
// needed. Change spec?
mPluginWindow->window = nullptr;
#ifdef MOZ_X11
// Fill in the display field.
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(mPluginWindow->ws_info);
ws_info->display = DefaultXDisplay();
nsAutoCString description;
GetPluginDescription(description);
NS_NAMED_LITERAL_CSTRING(flash10Head, "Shockwave Flash 10.");
mFlash10Quirks = StringBeginsWith(description, flash10Head);
#endif
} else if (mWidget) {
// mPluginWindow->type is used in |GetPluginPort| so it must
// be initialized first
mPluginWindow->type = NPWindowTypeWindow;
mPluginWindow->window = GetPluginPort();
// tell the plugin window about the widget
mPluginWindow->SetPluginWidget(mWidget);
// tell the widget about the current plugin instance owner.
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget) {
pluginWidget->SetPluginInstanceOwner(this);
}
}
#ifdef XP_MACOSX
if (GetDrawingModel() == NPDrawingModelCoreAnimation) {
AddToCARefreshTimer();
}
#endif
mWidgetCreationComplete = true;
return NS_OK;
}
// Mac specific code to fix up the port location and clipping region
#ifdef XP_MACOSX
void nsPluginInstanceOwner::FixUpPluginWindow(int32_t inPaintState)
{
if (!mPluginWindow || !mInstance || !mPluginFrame) {
return;
}
SetPluginPort();
LayoutDeviceIntSize widgetClip = mPluginFrame->GetWidgetlessClipRect().Size();
mPluginWindow->x = 0;
mPluginWindow->y = 0;
NPRect oldClipRect = mPluginWindow->clipRect;
// fix up the clipping region
mPluginWindow->clipRect.top = 0;
mPluginWindow->clipRect.left = 0;
if (inPaintState == ePluginPaintDisable) {
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left;
}
else if (inPaintState == ePluginPaintEnable)
{
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top + widgetClip.height;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left + widgetClip.width;
}
// if the clip rect changed, call SetWindow()
// (RealPlayer needs this to draw correctly)
if (mPluginWindow->clipRect.left != oldClipRect.left ||
mPluginWindow->clipRect.top != oldClipRect.top ||
mPluginWindow->clipRect.right != oldClipRect.right ||
mPluginWindow->clipRect.bottom != oldClipRect.bottom)
{
if (UseAsyncRendering()) {
mInstance->AsyncSetWindow(mPluginWindow);
}
else {
mPluginWindow->CallSetWindow(mInstance);
}
}
// After the first NPP_SetWindow call we need to send an initial
// top-level window focus event.
if (!mSentInitialTopLevelWindowEvent) {
// Set this before calling ProcessEvent to avoid endless recursion.
mSentInitialTopLevelWindowEvent = true;
bool isActive = WindowIsActive();
SendWindowFocusChanged(isActive);
mLastWindowIsActive = isActive;
}
}
void
nsPluginInstanceOwner::WindowFocusMayHaveChanged()
{
if (!mSentInitialTopLevelWindowEvent) {
return;
}
bool isActive = WindowIsActive();
if (isActive != mLastWindowIsActive) {
SendWindowFocusChanged(isActive);
mLastWindowIsActive = isActive;
}
}
bool
nsPluginInstanceOwner::WindowIsActive()
{
if (!mPluginFrame) {
return false;
}
EventStates docState = mPluginFrame->GetContent()->OwnerDoc()->GetDocumentState();
return !docState.HasState(NS_DOCUMENT_STATE_WINDOW_INACTIVE);
}
void
nsPluginInstanceOwner::SendWindowFocusChanged(bool aIsActive)
{
if (!mInstance) {
return;
}
NPCocoaEvent cocoaEvent;
InitializeNPCocoaEvent(&cocoaEvent);
cocoaEvent.type = NPCocoaEventWindowFocusChanged;
cocoaEvent.data.focus.hasFocus = aIsActive;
mInstance->HandleEvent(&cocoaEvent,
nullptr,
NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
}
void
nsPluginInstanceOwner::HidePluginWindow()
{
if (!mPluginWindow || !mInstance) {
return;
}
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left;
mWidgetVisible = false;
if (UseAsyncRendering()) {
mInstance->AsyncSetWindow(mPluginWindow);
} else {
mInstance->SetWindow(mPluginWindow);
}
}
#else // XP_MACOSX
void nsPluginInstanceOwner::UpdateWindowPositionAndClipRect(bool aSetWindow)
{
if (!mPluginWindow)
return;
// For windowless plugins a non-empty clip rectangle will be
// passed to the plugin during paint, an additional update
// of the the clip rectangle here is not required
if (aSetWindow && !mWidget && mPluginWindowVisible && !UseAsyncRendering())
return;
const NPWindow oldWindow = *mPluginWindow;
bool windowless = (mPluginWindow->type == NPWindowTypeDrawable);
nsIntPoint origin = mPluginFrame->GetWindowOriginInPixels(windowless);
mPluginWindow->x = origin.x;
mPluginWindow->y = origin.y;
mPluginWindow->clipRect.left = 0;
mPluginWindow->clipRect.top = 0;
if (mPluginWindowVisible && mPluginDocumentActiveState) {
mPluginWindow->clipRect.right = mPluginWindow->width;
mPluginWindow->clipRect.bottom = mPluginWindow->height;
} else {
mPluginWindow->clipRect.right = 0;
mPluginWindow->clipRect.bottom = 0;
}
if (!aSetWindow)
return;
if (mPluginWindow->x != oldWindow.x ||
mPluginWindow->y != oldWindow.y ||
mPluginWindow->clipRect.left != oldWindow.clipRect.left ||
mPluginWindow->clipRect.top != oldWindow.clipRect.top ||
mPluginWindow->clipRect.right != oldWindow.clipRect.right ||
mPluginWindow->clipRect.bottom != oldWindow.clipRect.bottom) {
CallSetWindow();
}
}
void
nsPluginInstanceOwner::UpdateWindowVisibility(bool aVisible)
{
mPluginWindowVisible = aVisible;
UpdateWindowPositionAndClipRect(true);
}
#endif // XP_MACOSX
void
nsPluginInstanceOwner::ResolutionMayHaveChanged()
{
#if defined(XP_MACOSX) || defined(XP_WIN)
double scaleFactor = 1.0;
GetContentsScaleFactor(&scaleFactor);
if (scaleFactor != mLastScaleFactor) {
ContentsScaleFactorChanged(scaleFactor);
mLastScaleFactor = scaleFactor;
}
#endif
float zoomFactor = 1.0;
GetCSSZoomFactor(&zoomFactor);
if (zoomFactor != mLastCSSZoomFactor) {
if (mInstance) {
mInstance->CSSZoomFactorChanged(zoomFactor);
}
mLastCSSZoomFactor = zoomFactor;
}
}
void
nsPluginInstanceOwner::UpdateDocumentActiveState(bool aIsActive)
{
AUTO_PROFILER_LABEL("nsPluginInstanceOwner::UpdateDocumentActiveState",
OTHER);
mPluginDocumentActiveState = aIsActive;
#ifndef XP_MACOSX
UpdateWindowPositionAndClipRect(true);
// We don't have a connection to PluginWidgetParent in the chrome
// process when dealing with tab visibility changes, so this needs
// to be forwarded over after the active state is updated. If we
// don't hide plugin widgets in hidden tabs, the native child window
// in chrome will remain visible after a tab switch.
if (mWidget && XRE_IsContentProcess()) {
mWidget->Show(aIsActive);
mWidget->Enable(aIsActive);
}
#endif // #ifndef XP_MACOSX
}
NS_IMETHODIMP
nsPluginInstanceOwner::CallSetWindow()
{
if (!mWidgetCreationComplete) {
// No widget yet, we can't run this code
return NS_OK;
}
if (mPluginFrame) {
mPluginFrame->CallSetWindow(false);
} else if (mInstance) {
if (UseAsyncRendering()) {
mInstance->AsyncSetWindow(mPluginWindow);
} else {
mInstance->SetWindow(mPluginWindow);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPluginInstanceOwner::GetContentsScaleFactor(double *result)
{
NS_ENSURE_ARG_POINTER(result);
double scaleFactor = 1.0;
// On Mac, device pixels need to be translated to (and from) "display pixels"
// for plugins. On other platforms, plugin coordinates are always in device
// pixels.
#if defined(XP_MACOSX) || defined(XP_WIN)
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
nsIPresShell* presShell = nsContentUtils::FindPresShellForDocument(content->OwnerDoc());
if (presShell) {
scaleFactor = double(nsPresContext::AppUnitsPerCSSPixel())/
presShell->GetPresContext()->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom();
}
#endif
*result = scaleFactor;
return NS_OK;
}
void
nsPluginInstanceOwner::GetCSSZoomFactor(float *result)
{
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
nsIPresShell* presShell = nsContentUtils::FindPresShellForDocument(content->OwnerDoc());
if (presShell) {
*result = presShell->GetPresContext()->DeviceContext()->GetFullZoom();
} else {
*result = 1.0;
}
}
void nsPluginInstanceOwner::SetFrame(nsPluginFrame *aFrame)
{
// Don't do anything if the frame situation hasn't changed.
if (mPluginFrame == aFrame) {
return;
}
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
// If we already have a frame that is changing or going away...
if (mPluginFrame) {
if (content && content->OwnerDoc() && content->OwnerDoc()->GetWindow()) {
nsCOMPtr<EventTarget> windowRoot = content->OwnerDoc()->GetWindow()->GetTopWindowRoot();
if (windowRoot) {
windowRoot->RemoveEventListener(NS_LITERAL_STRING("activate"),
this, false);
windowRoot->RemoveEventListener(NS_LITERAL_STRING("deactivate"),
this, false);
windowRoot->RemoveEventListener(NS_LITERAL_STRING("MozPerformDelayedBlur"),
this, false);
}
}
// Make sure the old frame isn't holding a reference to us.
mPluginFrame->SetInstanceOwner(nullptr);
}
// Swap in the new frame (or no frame)
mPluginFrame = aFrame;
// Set up a new frame
if (mPluginFrame) {
mPluginFrame->SetInstanceOwner(this);
// Can only call PrepForDrawing on an object frame once. Don't do it here unless
// widget creation is complete. Doesn't matter if we actually have a widget.
if (mWidgetCreationComplete) {
mPluginFrame->PrepForDrawing(mWidget);
}
mPluginFrame->FixupWindow(mPluginFrame->GetContentRectRelativeToSelf().Size());
mPluginFrame->InvalidateFrame();
nsFocusManager* fm = nsFocusManager::GetFocusManager();
const nsIContent* content = aFrame->GetContent();
if (fm && content) {
mContentFocused = (content == fm->GetFocusedContent());
}
// Register for widget-focus events on the window root.
if (content && content->OwnerDoc() && content->OwnerDoc()->GetWindow()) {
nsCOMPtr<EventTarget> windowRoot = content->OwnerDoc()->GetWindow()->GetTopWindowRoot();
if (windowRoot) {
windowRoot->AddEventListener(NS_LITERAL_STRING("activate"),
this, false, false);
windowRoot->AddEventListener(NS_LITERAL_STRING("deactivate"),
this, false, false);
windowRoot->AddEventListener(NS_LITERAL_STRING("MozPerformDelayedBlur"),
this, false, false);
}
}
}
}
nsPluginFrame* nsPluginInstanceOwner::GetFrame()
{
return mPluginFrame;
}
NS_IMETHODIMP nsPluginInstanceOwner::PrivateModeChanged(bool aEnabled)
{
return mInstance ? mInstance->PrivateModeStateChanged(aEnabled) : NS_OK;
}
already_AddRefed<nsIURI> nsPluginInstanceOwner::GetBaseURI() const
{
nsCOMPtr<nsIContent> content = do_QueryReferent(mContent);
if (!content) {
return nullptr;
}
return content->GetBaseURI();
}
// static
void
nsPluginInstanceOwner::GeneratePluginEvent(
const WidgetCompositionEvent* aSrcCompositionEvent,
WidgetCompositionEvent* aDistCompositionEvent)
{
#ifdef XP_WIN
NPEvent newEvent;
switch (aDistCompositionEvent->mMessage) {
case eCompositionChange: {
newEvent.event = WM_IME_COMPOSITION;
newEvent.wParam = 0;
if (aSrcCompositionEvent &&
(aSrcCompositionEvent->mMessage == eCompositionCommit ||
aSrcCompositionEvent->mMessage == eCompositionCommitAsIs)) {
newEvent.lParam = GCS_RESULTSTR;
} else {
newEvent.lParam = GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE;
}
TextRangeArray* ranges = aDistCompositionEvent->mRanges;
if (ranges && ranges->HasCaret()) {
newEvent.lParam |= GCS_CURSORPOS;
}
break;
}
case eCompositionStart:
newEvent.event = WM_IME_STARTCOMPOSITION;
newEvent.wParam = 0;
newEvent.lParam = 0;
break;
case eCompositionEnd:
newEvent.event = WM_IME_ENDCOMPOSITION;
newEvent.wParam = 0;
newEvent.lParam = 0;
break;
default:
return;
}
aDistCompositionEvent->mPluginEvent.Copy(newEvent);
#endif
}
// nsPluginDOMContextMenuListener class implementation
nsPluginDOMContextMenuListener::nsPluginDOMContextMenuListener(nsIContent* aContent)
{
aContent->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
}
nsPluginDOMContextMenuListener::~nsPluginDOMContextMenuListener()
{
}
NS_IMPL_ISUPPORTS(nsPluginDOMContextMenuListener,
nsIDOMEventListener)
NS_IMETHODIMP
nsPluginDOMContextMenuListener::HandleEvent(nsIDOMEvent* aEvent)
{
aEvent->PreventDefault(); // consume event
return NS_OK;
}
void nsPluginDOMContextMenuListener::Destroy(nsIContent* aContent)
{
// Unregister context menu listener
aContent->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
}