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gecko-dev/dom/plugins/base/nsPluginInstanceOwner.cpp
Jonathan Watt e8bd2a53a8 Bug 1029211 - Get rid of a couple more Thebes backed gfxContexts by using gfxUtils::ClearThebesSurface instead. r=mattwoodrow 
--HG--
extra : rebase_source : cc75965e0ba908b84a592e337af0429ddb9cc846
2014-06-24 10:02:10 +01:00

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103 KiB
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/* -*- 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 "SharedTextureImage.h"
#include "nsObjectFrame.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 "nsIDOMHTMLAppletElement.h"
#include "nsIObjectLoadingContent.h"
#include "nsAttrName.h"
#include "nsIFocusManager.h"
#include "nsFocusManager.h"
#include "nsIDOMDragEvent.h"
#include "nsIScrollableFrame.h"
#include "nsIDocShell.h"
#include "ImageContainer.h"
#include "nsIDOMHTMLCollection.h"
#include "GLContext.h"
#include "GLSharedHandleHelpers.h"
#include "nsIContentInlines.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TextEvents.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>
#endif
#ifdef XP_MACOSX
#include <Carbon/Carbon.h>
#include "nsPluginUtilsOSX.h"
#endif
#ifdef MOZ_WIDGET_GTK
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#endif
#ifdef MOZ_WIDGET_ANDROID
#include "ANPBase.h"
#include "AndroidBridge.h"
#include "nsWindow.h"
static nsPluginInstanceOwner* sFullScreenInstance = nullptr;
using namespace mozilla::dom;
#include <android/log.h>
#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "GeckoPlugins" , ## args)
#endif
using namespace mozilla;
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:
nsPluginDOMContextMenuListener(nsIContent* aContent);
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
void Destroy(nsIContent* aContent);
nsEventStatus ProcessEvent(const WidgetGUIEvent& anEvent)
{
return nsEventStatus_eConsumeNoDefault;
}
};
class AsyncPaintWaitEvent : public nsRunnable
{
public:
AsyncPaintWaitEvent(nsIContent* aContent, bool aFinished) :
mContent(aContent), mFinished(aFinished)
{
}
NS_IMETHOD Run()
{
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<nsIRunnable> event = new AsyncPaintWaitEvent(mContent, false);
// Run this event as soon as it's safe to do so, since listeners need to
// receive it immediately
mWaitingForPaint = nsContentUtils::AddScriptRunner(event);
}
}
already_AddRefed<ImageContainer>
nsPluginInstanceOwner::GetImageContainer()
{
if (!mInstance)
return nullptr;
nsRefPtr<ImageContainer> container;
#if MOZ_WIDGET_ANDROID
// Right now we only draw with Gecko layers on Honeycomb and higher. See Paint()
// for what we do on other versions.
if (AndroidBridge::Bridge()->GetAPIVersion() < 11)
return nullptr;
LayoutDeviceRect r = GetPluginRect();
// NotifySize() causes Flash to do a bunch of stuff like ask for surfaces to render
// into, set y-flip flags, etc, so we do this at the beginning.
gfxSize resolution = mObjectFrame->PresContext()->PresShell()->GetCumulativeResolution();
ScreenSize screenSize = (r * LayoutDeviceToScreenScale(resolution.width, resolution.height)).Size();
mInstance->NotifySize(nsIntSize(screenSize.width, screenSize.height));
container = LayerManager::CreateImageContainer();
nsRefPtr<Image> img = container->CreateImage(ImageFormat::SHARED_TEXTURE);
SharedTextureImage::Data data;
data.mSize = gfx::IntSize(r.width, r.height);
data.mHandle = mInstance->CreateSharedHandle();
data.mShareType = mozilla::gl::SharedTextureShareType::SameProcess;
data.mInverted = mInstance->Inverted();
SharedTextureImage* pluginImage = static_cast<SharedTextureImage*>(img.get());
pluginImage->SetData(data);
container->SetCurrentImageInTransaction(img);
return container.forget();
#endif
mInstance->GetImageContainer(getter_AddRefs(container));
return container.forget();
}
void
nsPluginInstanceOwner::SetBackgroundUnknown()
{
if (mInstance) {
mInstance->SetBackgroundUnknown();
}
}
already_AddRefed<gfxContext>
nsPluginInstanceOwner::BeginUpdateBackground(const nsIntRect& aRect)
{
nsIntRect rect = aRect;
nsRefPtr<gfxContext> ctx;
if (mInstance &&
NS_SUCCEEDED(mInstance->BeginUpdateBackground(&rect, getter_AddRefs(ctx)))) {
return ctx.forget();
}
return nullptr;
}
void
nsPluginInstanceOwner::EndUpdateBackground(gfxContext* aContext,
const nsIntRect& aRect)
{
nsIntRect rect = aRect;
if (mInstance) {
mInstance->EndUpdateBackground(aContext, &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()
{
// 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);
else
mPluginWindow = nullptr;
mObjectFrame = nullptr;
mContent = nullptr;
mWidgetCreationComplete = false;
#ifdef XP_MACOSX
memset(&mCGPluginPortCopy, 0, sizeof(NP_CGContext));
mInCGPaintLevel = 0;
mSentInitialTopLevelWindowEvent = false;
mColorProfile = nullptr;
mPluginPortChanged = false;
#endif
mContentFocused = false;
mWidgetVisible = true;
mPluginWindowVisible = false;
mPluginDocumentActiveState = true;
mNumCachedAttrs = 0;
mNumCachedParams = 0;
mCachedAttrParamNames = nullptr;
mCachedAttrParamValues = nullptr;
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 MOZ_WIDGET_ANDROID
mFullScreen = false;
mJavaView = nullptr;
#endif
}
nsPluginInstanceOwner::~nsPluginInstanceOwner()
{
int32_t cnt;
if (mWaitingForPaint) {
// 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(mContent, true);
NS_DispatchToMainThread(event);
}
mObjectFrame = nullptr;
for (cnt = 0; cnt < (mNumCachedAttrs + 1 + mNumCachedParams); cnt++) {
if (mCachedAttrParamNames && mCachedAttrParamNames[cnt]) {
NS_Free(mCachedAttrParamNames[cnt]);
mCachedAttrParamNames[cnt] = nullptr;
}
if (mCachedAttrParamValues && mCachedAttrParamValues[cnt]) {
NS_Free(mCachedAttrParamValues[cnt]);
mCachedAttrParamValues[cnt] = nullptr;
}
}
if (mCachedAttrParamNames) {
NS_Free(mCachedAttrParamNames);
mCachedAttrParamNames = nullptr;
}
if (mCachedAttrParamValues) {
NS_Free(mCachedAttrParamValues);
mCachedAttrParamValues = nullptr;
}
PLUG_DeletePluginNativeWindow(mPluginWindow);
mPluginWindow = nullptr;
#ifdef MOZ_WIDGET_ANDROID
RemovePluginView();
#endif
if (mInstance) {
mInstance->SetOwner(nullptr);
}
}
NS_IMPL_ISUPPORTS(nsPluginInstanceOwner,
nsIPluginInstanceOwner,
nsIDOMEventListener,
nsIPrivacyTransitionObserver,
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);
#ifdef MOZ_WIDGET_ANDROID
RemovePluginView();
#endif
}
mInstance = aInstance;
nsCOMPtr<nsIDocument> doc;
GetDocument(getter_AddRefs(doc));
if (doc) {
nsCOMPtr<nsPIDOMWindow> domWindow = doc->GetWindow();
if (domWindow) {
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;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttributes(uint16_t& n,
const char*const*& names,
const char*const*& values)
{
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
n = mNumCachedAttrs;
names = (const char **)mCachedAttrParamNames;
values = (const char **)mCachedAttrParamValues;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttribute(const char* name, const char* *result)
{
NS_ENSURE_ARG_POINTER(name);
NS_ENSURE_ARG_POINTER(result);
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
*result = nullptr;
for (int i = 0; i < mNumCachedAttrs; i++) {
if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) {
*result = mCachedAttrParamValues[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDOMElement(nsIDOMElement* *result)
{
return CallQueryInterface(mContent, 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)
{
NS_ENSURE_TRUE(mContent, NS_ERROR_NULL_POINTER);
if (mContent->IsEditable()) {
return NS_OK;
}
nsIDocument *doc = mContent->GetCurrentDoc();
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;
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);
rv = lh->OnLinkClick(mContent, uri, unitarget.get(), NullString(),
aPostStream, headersDataStream, true);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
rv = this->ShowStatus(NS_ConvertUTF8toUTF16(aStatusMsg).get());
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char16_t *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
if (!mObjectFrame) {
return rv;
}
nsCOMPtr<nsIDocShellTreeItem> docShellItem = mObjectFrame->PresContext()->GetDocShell();
if (NS_FAILED(rv) || !docShellItem) {
return rv;
}
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
rv = docShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
if (NS_FAILED(rv) || !treeOwner) {
return rv;
}
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(treeOwner, &rv));
if (NS_FAILED(rv) || !browserChrome) {
return rv;
}
rv = browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT,
aStatusMsg);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument)
{
if (!aDocument)
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 = mContent->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 && (!mObjectFrame || IsUpToDate())) {
// 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(mContent, true);
NS_DispatchToMainThread(event);
mWaitingForPaint = false;
}
if (!mObjectFrame || !invalidRect || !mWidgetVisible)
return NS_ERROR_FAILURE;
#if defined(XP_MACOSX) || defined(MOZ_WIDGET_ANDROID)
// Each time an asynchronously-drawing plugin sends a new surface to display,
// the image in the ImageContainer is updated and InvalidateRect is called.
// There are different side effects for (sync) Android plugins.
nsRefPtr<ImageContainer> container;
mInstance->GetImageContainer(getter_AddRefs(container));
#endif
#ifndef XP_MACOSX
// Windowed plugins should not be calling NPN_InvalidateRect, but
// Silverlight does and expects it to "work"
if (mWidget) {
mWidget->Invalidate(nsIntRect(invalidRect->left, invalidRect->top,
invalidRect->right - invalidRect->left,
invalidRect->bottom - invalidRect->top));
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);
mObjectFrame->InvalidateLayer(nsDisplayItem::TYPE_PLUGIN, &rect);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRegion(NPRegion invalidRegion)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsPluginInstanceOwner::RedrawPlugin()
{
if (mObjectFrame) {
mObjectFrame->InvalidateLayer(nsDisplayItem::TYPE_PLUGIN);
}
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetNetscapeWindow(void *value)
{
if (!mObjectFrame) {
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;
nsViewManager* vm = mObjectFrame->PresContext()->GetPresShell()->GetViewManager();
if (!vm)
return NS_ERROR_FAILURE;
#if defined(XP_WIN)
// 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 (outside this #if) 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 (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 = mObjectFrame->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.
*pvalue = (void*)win->GetNativeData(NS_NATIVE_WINDOW);
if (*pvalue)
return NS_OK;
}
}
}
#endif
// simply return the topmost document window
nsCOMPtr<nsIWidget> widget;
vm->GetRootWidget(getter_AddRefs(widget));
if (widget) {
*pvalue = (void*)widget->GetNativeData(NS_NATIVE_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_WIDGET_QT)) && defined(MOZ_X11)
// X11 window managers want the toplevel window for WM_TRANSIENT_FOR.
nsIWidget* win = mObjectFrame->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
}
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
}
NPError nsPluginInstanceOwner::ShowNativeContextMenu(NPMenu* menu, void* event)
{
if (!menu || !event)
return NPERR_GENERIC_ERROR;
#ifdef XP_MACOSX
if (GetEventModel() != NPEventModelCocoa)
return NPERR_INCOMPATIBLE_VERSION_ERROR;
return NS_NPAPI_ShowCocoaContextMenu(static_cast<void*>(menu), mWidget,
static_cast<NPCocoaEvent*>(event));
#else
return NPERR_INCOMPATIBLE_VERSION_ERROR;
#endif
}
NPBool nsPluginInstanceOwner::ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace)
{
#ifdef XP_MACOSX
if (!mWidget)
return false;
return NS_NPAPI_ConvertPointCocoa(mWidget->GetNativeData(NS_NATIVE_WIDGET),
sourceX, sourceY, sourceSpace, destX, destY, destSpace);
#else
// we should implement this for all platforms
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;
nsIAtom *atom = mContent->Tag();
if (atom == nsGkAtoms::applet)
*result = nsPluginTagType_Applet;
else if (atom == nsGkAtoms::embed)
*result = nsPluginTagType_Embed;
else if (atom == nsGkAtoms::object)
*result = nsPluginTagType_Object;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameters(uint16_t& n, const char*const*& names, const char*const*& values)
{
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
n = mNumCachedParams;
if (n) {
names = (const char **)(mCachedAttrParamNames + mNumCachedAttrs + 1);
values = (const char **)(mCachedAttrParamValues + mNumCachedAttrs + 1);
} else
names = values = nullptr;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameter(const char* name, const char* *result)
{
NS_ENSURE_ARG_POINTER(name);
NS_ENSURE_ARG_POINTER(result);
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
*result = nullptr;
for (int i = mNumCachedAttrs + 1; i < (mNumCachedParams + 1 + mNumCachedAttrs); i++) {
if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) {
*result = mCachedAttrParamValues[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
// Cache the attributes and/or parameters of our tag into a single set
// of arrays to be compatible with Netscape 4.x. The attributes go first,
// followed by a PARAM/null and then any PARAM tags. Also, hold the
// cached array around for the duration of the life of the instance
// because Netscape 4.x did. See bug 111008.
nsresult nsPluginInstanceOwner::EnsureCachedAttrParamArrays()
{
if (mCachedAttrParamValues)
return NS_OK;
NS_PRECONDITION(((mNumCachedAttrs + mNumCachedParams) == 0) &&
!mCachedAttrParamNames,
"re-cache of attrs/params not implemented! use the DOM "
"node directy instead");
// Convert to a 16-bit count. Subtract 3 in case we add an extra
// "src", "wmode", or "codebase" entry below.
uint32_t cattrs = mContent->GetAttrCount();
if (cattrs < 0x0000FFFC) {
mNumCachedAttrs = static_cast<uint16_t>(cattrs);
} else {
mNumCachedAttrs = 0xFFFC;
}
// Check if we are java for special codebase handling
const char* mime = nullptr;
bool isJava = NS_SUCCEEDED(mInstance->GetMIMEType(&mime)) && mime &&
nsPluginHost::IsJavaMIMEType(mime);
// now, we need to find all the PARAM tags that are children of us
// however, be careful not to include any PARAMs that don't have us
// as a direct parent. For nested object (or applet) tags, be sure
// to only round up the param tags that coorespond with THIS
// instance. And also, weed out any bogus tags that may get in the
// way, see bug 39609. Then, with any param tag that meet our
// qualification, temporarly cache them in an nsCOMArray until
// we can figure out what size to make our fixed char* array.
nsCOMArray<nsIDOMElement> ourParams;
// Get all dependent PARAM tags, even if they are not direct children.
nsCOMPtr<nsIDOMElement> mydomElement = do_QueryInterface(mContent);
NS_ENSURE_TRUE(mydomElement, NS_ERROR_NO_INTERFACE);
// Making DOM method calls can cause our frame to go away.
nsCOMPtr<nsIPluginInstanceOwner> kungFuDeathGrip(this);
nsCOMPtr<nsIDOMHTMLCollection> allParams;
NS_NAMED_LITERAL_STRING(xhtml_ns, "http://www.w3.org/1999/xhtml");
mydomElement->GetElementsByTagNameNS(xhtml_ns, NS_LITERAL_STRING("param"),
getter_AddRefs(allParams));
if (allParams) {
uint32_t numAllParams;
allParams->GetLength(&numAllParams);
for (uint32_t i = 0; i < numAllParams; i++) {
nsCOMPtr<nsIDOMNode> pnode;
allParams->Item(i, getter_AddRefs(pnode));
nsCOMPtr<nsIDOMElement> domelement = do_QueryInterface(pnode);
if (domelement) {
// Ignore params without a name attribute.
nsAutoString name;
domelement->GetAttribute(NS_LITERAL_STRING("name"), name);
if (!name.IsEmpty()) {
// Find the first object or applet parent.
nsCOMPtr<nsIDOMNode> parent;
nsCOMPtr<nsIDOMHTMLObjectElement> domobject;
nsCOMPtr<nsIDOMHTMLAppletElement> domapplet;
pnode->GetParentNode(getter_AddRefs(parent));
while (!(domobject || domapplet) && parent) {
domobject = do_QueryInterface(parent);
domapplet = do_QueryInterface(parent);
nsCOMPtr<nsIDOMNode> temp;
parent->GetParentNode(getter_AddRefs(temp));
parent = temp;
}
if (domapplet || domobject) {
if (domapplet) {
parent = do_QueryInterface(domapplet);
}
else {
parent = do_QueryInterface(domobject);
}
nsCOMPtr<nsIDOMNode> mydomNode = do_QueryInterface(mydomElement);
if (parent == mydomNode) {
ourParams.AppendObject(domelement);
}
}
}
}
}
}
// Convert to a 16-bit count.
uint32_t cparams = ourParams.Count();
if (cparams < 0x0000FFFF) {
mNumCachedParams = static_cast<uint16_t>(cparams);
} else {
mNumCachedParams = 0xFFFF;
}
uint16_t numRealAttrs = mNumCachedAttrs;
// Some plugins were never written to understand the "data" attribute of the OBJECT tag.
// Real and WMP will not play unless they find a "src" attribute, see bug 152334.
// Nav 4.x would simply replace the "data" with "src". Because some plugins correctly
// look for "data", lets instead copy the "data" attribute and add another entry
// to the bottom of the array if there isn't already a "src" specified.
nsAutoString data;
if (mContent->Tag() == nsGkAtoms::object &&
!mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::src) &&
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::data, data) &&
!data.IsEmpty()) {
mNumCachedAttrs++;
}
// "plugins.force.wmode" forces us to send a specific "wmode" parameter,
// used by flash to select a rendering mode. Common values include
// "opaque", "transparent", "windowed", "direct"
nsCString wmodeType;
nsAdoptingCString wmodePref = Preferences::GetCString("plugins.force.wmode");
if (!wmodePref.IsEmpty()) {
mNumCachedAttrs++;
wmodeType = wmodePref;
}
#if defined(XP_WIN) || defined(XP_LINUX)
// Bug 923745 - Until we support windowed mode plugins in content processes,
// force flash to use a windowless rendering mode. This hack should go away
// when bug 923746 lands. (OS X plugins always use some native widgets, so
// unfortunately this does not help there)
else if (XRE_GetProcessType() == GeckoProcessType_Content) {
mNumCachedAttrs++;
wmodeType.AssignLiteral("transparent");
}
#endif
// (Bug 738396) java has quirks in its codebase parsing, pass the
// absolute codebase URI as content sees it.
bool addCodebase = false;
nsAutoCString codebaseStr;
if (isJava) {
nsCOMPtr<nsIObjectLoadingContent> objlc = do_QueryInterface(mContent);
NS_ENSURE_TRUE(objlc, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIURI> codebaseURI;
nsresult rv = objlc->GetBaseURI(getter_AddRefs(codebaseURI));
NS_ENSURE_SUCCESS(rv, rv);
codebaseURI->GetSpec(codebaseStr);
if (!mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::codebase)) {
mNumCachedAttrs++;
addCodebase = true;
}
}
mCachedAttrParamNames = (char**)NS_Alloc(sizeof(char*) * (mNumCachedAttrs + 1 + mNumCachedParams));
NS_ENSURE_TRUE(mCachedAttrParamNames, NS_ERROR_OUT_OF_MEMORY);
mCachedAttrParamValues = (char**)NS_Alloc(sizeof(char*) * (mNumCachedAttrs + 1 + mNumCachedParams));
NS_ENSURE_TRUE(mCachedAttrParamValues, NS_ERROR_OUT_OF_MEMORY);
// Some plugins (eg Flash, see bug 234675.) are actually sensitive to the
// attribute order. So we want to make sure we give the plugin the
// attributes in the order they came in in the source, to be compatible with
// other browsers. Now in HTML, the storage order is the reverse of the
// source order, while in XML and XHTML it's the same as the source order
// (see the AddAttributes functions in the HTML and XML content sinks).
int32_t start, end, increment;
if (mContent->IsHTML() &&
mContent->IsInHTMLDocument()) {
// HTML. Walk attributes in reverse order.
start = numRealAttrs - 1;
end = -1;
increment = -1;
} else {
// XHTML or XML. Walk attributes in forward order.
start = 0;
end = numRealAttrs;
increment = 1;
}
// Set to the next slot to fill in name and value cache arrays.
uint32_t nextAttrParamIndex = 0;
// Whether or not we force the wmode below while traversing
// the name/value pairs.
bool wmodeSet = false;
// Add attribute name/value pairs.
for (int32_t index = start; index != end; index += increment) {
const nsAttrName* attrName = mContent->GetAttrNameAt(index);
nsIAtom* atom = attrName->LocalName();
nsAutoString value;
mContent->GetAttr(attrName->NamespaceID(), atom, value);
nsAutoString name;
atom->ToString(name);
FixUpURLS(name, value);
mCachedAttrParamNames [nextAttrParamIndex] = ToNewUTF8String(name);
if (!wmodeType.IsEmpty() &&
0 == PL_strcasecmp(mCachedAttrParamNames[nextAttrParamIndex], "wmode")) {
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(NS_ConvertUTF8toUTF16(wmodeType));
if (!wmodeSet) {
// We allocated space to add a wmode attr, but we don't need it now.
mNumCachedAttrs--;
wmodeSet = true;
}
} else if (isJava && 0 == PL_strcasecmp(mCachedAttrParamNames[nextAttrParamIndex], "codebase")) {
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(NS_ConvertUTF8toUTF16(codebaseStr));
} else {
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(value);
}
nextAttrParamIndex++;
}
// Potentially add CODEBASE attribute
if (addCodebase) {
mCachedAttrParamNames [nextAttrParamIndex] = ToNewUTF8String(NS_LITERAL_STRING("codebase"));
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(NS_ConvertUTF8toUTF16(codebaseStr));
nextAttrParamIndex++;
}
// Potentially add WMODE attribute.
if (!wmodeType.IsEmpty() && !wmodeSet) {
mCachedAttrParamNames [nextAttrParamIndex] = ToNewUTF8String(NS_LITERAL_STRING("wmode"));
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(NS_ConvertUTF8toUTF16(wmodeType));
nextAttrParamIndex++;
}
// Potentially add SRC attribute.
if (!data.IsEmpty()) {
mCachedAttrParamNames [nextAttrParamIndex] = ToNewUTF8String(NS_LITERAL_STRING("SRC"));
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(data);
nextAttrParamIndex++;
}
// Add PARAM and null separator.
mCachedAttrParamNames [nextAttrParamIndex] = ToNewUTF8String(NS_LITERAL_STRING("PARAM"));
#ifdef MOZ_WIDGET_ANDROID
// Flash expects an empty string on android
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(NS_LITERAL_STRING(""));
#else
mCachedAttrParamValues[nextAttrParamIndex] = nullptr;
#endif
nextAttrParamIndex++;
// Add PARAM name/value pairs.
// We may decrement mNumCachedParams below
uint16_t totalParams = mNumCachedParams;
for (uint16_t i = 0; i < totalParams; i++) {
nsIDOMElement* param = ourParams.ObjectAt(i);
if (!param) {
continue;
}
nsAutoString name;
nsAutoString value;
param->GetAttribute(NS_LITERAL_STRING("name"), name); // check for empty done above
param->GetAttribute(NS_LITERAL_STRING("value"), value);
FixUpURLS(name, value);
/*
* According to the HTML 4.01 spec, at
* http://www.w3.org/TR/html4/types.html#type-cdata
* ''User agents may ignore leading and trailing
* white space in CDATA attribute values (e.g., "
* myval " may be interpreted as "myval"). Authors
* should not declare attribute values with
* leading or trailing white space.''
* However, do not trim consecutive spaces as in bug 122119
*/
name.Trim(" \n\r\t\b", true, true, false);
value.Trim(" \n\r\t\b", true, true, false);
if (isJava && name.EqualsIgnoreCase("codebase")) {
// We inserted normalized codebase above, don't include other versions in
// params
mNumCachedParams--;
continue;
}
mCachedAttrParamNames [nextAttrParamIndex] = ToNewUTF8String(name);
mCachedAttrParamValues[nextAttrParamIndex] = ToNewUTF8String(value);
nextAttrParamIndex++;
}
return NS_OK;
}
#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;
}
nsresult nsPluginInstanceOwner::ContentsScaleFactorChanged(double aContentsScaleFactor)
{
if (!mInstance) {
return NS_ERROR_NULL_POINTER;
}
return mInstance->ContentsScaleFactorChanged(aContentsScaleFactor);
}
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) {
if (strcmp(mime, "application/x-shockwave-flash") == 0) {
return;
}
}
if (!sCARefreshListeners) {
sCARefreshListeners = new nsTArray<nsPluginInstanceOwner*>();
if (!sCARefreshListeners) {
return;
}
}
if (sCARefreshListeners->Contains(this)) {
return;
}
sCARefreshListeners->AppendElement(this);
if (!sCATimer) {
sCATimer = new nsCOMPtr<nsITimer>();
if (!sCATimer) {
return;
}
}
if (sCARefreshListeners->Length() == 1) {
*sCATimer = do_CreateInstance("@mozilla.org/timer;1");
(*sCATimer)->InitWithFuncCallback(CARefresh, nullptr,
DEFAULT_REFRESH_RATE, nsITimer::TYPE_REPEATING_SLACK);
}
}
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::RenderCoreAnimation(CGContextRef aCGContext,
int aWidth, int aHeight)
{
if (aWidth == 0 || aHeight == 0)
return;
if (!mCARenderer) {
mCARenderer = new nsCARenderer();
}
// aWidth and aHeight are 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);
if (!mIOSurface ||
(mIOSurface->GetWidth() != (size_t)aWidth ||
mIOSurface->GetHeight() != (size_t)aHeight ||
mIOSurface->GetContentsScaleFactor() != scaleFactor)) {
mIOSurface = nullptr;
// If the renderer is backed by an IOSurface, resize it as required.
mIOSurface = MacIOSurface::CreateIOSurface(aWidth, aHeight, scaleFactor);
if (mIOSurface) {
RefPtr<MacIOSurface> attachSurface = MacIOSurface::LookupSurface(
mIOSurface->GetIOSurfaceID(),
scaleFactor);
if (attachSurface) {
mCARenderer->AttachIOSurface(attachSurface);
} else {
NS_ERROR("IOSurface attachment failed");
mIOSurface = nullptr;
}
}
}
if (!mColorProfile) {
mColorProfile = CreateSystemColorSpace();
}
if (mCARenderer->isInit() == false) {
void *caLayer = nullptr;
nsresult rv = mInstance->GetValueFromPlugin(NPPVpluginCoreAnimationLayer, &caLayer);
if (NS_FAILED(rv) || !caLayer) {
return;
}
// We don't run Flash in-process so we can unconditionally disallow
// the offliner renderer.
mCARenderer->SetupRenderer(caLayer, aWidth, aHeight, scaleFactor,
DISALLOW_OFFLINE_RENDERER);
// Setting up the CALayer requires resetting the painting otherwise we
// get garbage for the first few frames.
FixUpPluginWindow(ePluginPaintDisable);
FixUpPluginWindow(ePluginPaintEnable);
}
CGImageRef caImage = nullptr;
nsresult rt = mCARenderer->Render(aWidth, aHeight, scaleFactor, &caImage);
if (rt == NS_OK && mIOSurface && mColorProfile) {
nsCARenderer::DrawSurfaceToCGContext(aCGContext, mIOSurface, mColorProfile,
0, 0, aWidth, aHeight);
} else if (rt == NS_OK && caImage != nullptr) {
// Significant speed up by resetting the scaling
::CGContextSetInterpolationQuality(aCGContext, kCGInterpolationNone );
::CGContextTranslateCTM(aCGContext, 0, (double) aHeight * scaleFactor);
::CGContextScaleCTM(aCGContext, scaleFactor, -scaleFactor);
::CGContextDrawImage(aCGContext, CGRectMake(0,0,aWidth,aHeight), caImage);
} else {
NS_NOTREACHED("nsCARenderer::Render failure");
}
}
void* nsPluginInstanceOwner::GetPluginPortCopy()
{
if (GetDrawingModel() == NPDrawingModelCoreGraphics ||
GetDrawingModel() == NPDrawingModelCoreAnimation ||
GetDrawingModel() == NPDrawingModelInvalidatingCoreAnimation)
return &mCGPluginPortCopy;
return nullptr;
}
// Currently (on OS X in Cocoa widgets) any changes made as a result of
// calling GetPluginPortFromWidget() are immediately reflected in the NPWindow
// structure that has been passed to the plugin via SetWindow(). This is
// because calls to nsChildView::GetNativeData(NS_NATIVE_PLUGIN_PORT_CG)
// always return a pointer to the same internal (private) object, but may
// make changes inside that object. All calls to GetPluginPortFromWidget() made while
// the plugin is active (i.e. excluding those made at our initialization)
// need to take this into account. The easiest way to do so is to replace
// them with calls to SetPluginPortAndDetectChange(). This method keeps track
// of when calls to GetPluginPortFromWidget() result in changes, and sets a flag to make
// sure SetWindow() gets called the next time through FixUpPluginWindow(), so
// that the plugin is notified of these changes.
void* nsPluginInstanceOwner::SetPluginPortAndDetectChange()
{
if (!mPluginWindow)
return nullptr;
void* pluginPort = GetPluginPortFromWidget();
if (!pluginPort)
return nullptr;
mPluginWindow->window = pluginPort;
return mPluginWindow->window;
}
void nsPluginInstanceOwner::BeginCGPaint()
{
++mInCGPaintLevel;
}
void nsPluginInstanceOwner::EndCGPaint()
{
--mInCGPaintLevel;
NS_ASSERTION(mInCGPaintLevel >= 0, "Mismatched call to nsPluginInstanceOwner::EndCGPaint()!");
}
#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;
}
#ifdef MOZ_WIDGET_ANDROID
// Modified version of nsFrame::GetOffsetToCrossDoc that stops when it
// hits an element with a displayport (or runs out of frames). This is
// not really the right thing to do, but it's better than what was here before.
static nsPoint
GetOffsetRootContent(nsIFrame* aFrame)
{
// offset will hold the final offset
// docOffset holds the currently accumulated offset at the current APD, it
// will be converted and added to offset when the current APD changes.
nsPoint offset(0, 0), docOffset(0, 0);
const nsIFrame* f = aFrame;
int32_t currAPD = aFrame->PresContext()->AppUnitsPerDevPixel();
int32_t apd = currAPD;
nsRect displayPort;
while (f) {
if (f->GetContent() && nsLayoutUtils::GetDisplayPort(f->GetContent(), &displayPort))
break;
docOffset += f->GetPosition();
nsIFrame* parent = f->GetParent();
if (parent) {
f = parent;
} else {
nsPoint newOffset(0, 0);
f = nsLayoutUtils::GetCrossDocParentFrame(f, &newOffset);
int32_t newAPD = f ? f->PresContext()->AppUnitsPerDevPixel() : 0;
if (!f || newAPD != currAPD) {
// Convert docOffset to the right APD and add it to offset.
offset += docOffset.ConvertAppUnits(currAPD, apd);
docOffset.x = docOffset.y = 0;
}
currAPD = newAPD;
docOffset += newOffset;
}
}
offset += docOffset.ConvertAppUnits(currAPD, apd);
return offset;
}
LayoutDeviceRect nsPluginInstanceOwner::GetPluginRect()
{
// Get the offset of the content relative to the page
nsRect bounds = mObjectFrame->GetContentRectRelativeToSelf() + GetOffsetRootContent(mObjectFrame);
LayoutDeviceIntRect rect = LayoutDeviceIntRect::FromAppUnitsToNearest(bounds, mObjectFrame->PresContext()->AppUnitsPerDevPixel());
return LayoutDeviceRect(rect);
}
bool nsPluginInstanceOwner::AddPluginView(const LayoutDeviceRect& aRect /* = LayoutDeviceRect(0, 0, 0, 0) */)
{
if (!mJavaView) {
mJavaView = mInstance->GetJavaSurface();
if (!mJavaView)
return false;
mJavaView = (void*)AndroidBridge::GetJNIEnv()->NewGlobalRef((jobject)mJavaView);
}
if (AndroidBridge::Bridge())
AndroidBridge::Bridge()->AddPluginView((jobject)mJavaView, aRect, mFullScreen);
if (mFullScreen)
sFullScreenInstance = this;
return true;
}
void nsPluginInstanceOwner::RemovePluginView()
{
if (!mInstance || !mJavaView)
return;
mozilla::widget::android::GeckoAppShell::RemovePluginView((jobject)mJavaView, mFullScreen);
AndroidBridge::GetJNIEnv()->DeleteGlobalRef((jobject)mJavaView);
mJavaView = nullptr;
if (mFullScreen)
sFullScreenInstance = nullptr;
}
void nsPluginInstanceOwner::GetVideos(nsTArray<nsNPAPIPluginInstance::VideoInfo*>& aVideos)
{
if (!mInstance)
return;
mInstance->GetVideos(aVideos);
}
already_AddRefed<ImageContainer> nsPluginInstanceOwner::GetImageContainerForVideo(nsNPAPIPluginInstance::VideoInfo* aVideoInfo)
{
nsRefPtr<ImageContainer> container = LayerManager::CreateImageContainer();
nsRefPtr<Image> img = container->CreateImage(ImageFormat::SHARED_TEXTURE);
SharedTextureImage::Data data;
data.mShareType = gl::SharedTextureShareType::SameProcess;
data.mHandle = gl::CreateSharedHandle(mInstance->GLContext(),
data.mShareType,
aVideoInfo->mSurfaceTexture,
gl::SharedTextureBufferType::SurfaceTexture);
// The logic below for Honeycomb is just a guess, but seems to work. We don't have a separate
// inverted flag for video.
data.mInverted = AndroidBridge::Bridge()->IsHoneycomb() ? true : mInstance->Inverted();
data.mSize = gfx::IntSize(aVideoInfo->mDimensions.width, aVideoInfo->mDimensions.height);
SharedTextureImage* pluginImage = static_cast<SharedTextureImage*>(img.get());
pluginImage->SetData(data);
container->SetCurrentImageInTransaction(img);
return container.forget();
}
void nsPluginInstanceOwner::Invalidate() {
NPRect rect;
rect.left = rect.top = 0;
rect.right = mPluginWindow->width;
rect.bottom = mPluginWindow->height;
InvalidateRect(&rect);
}
void nsPluginInstanceOwner::RequestFullScreen() {
if (mFullScreen)
return;
// Remove whatever view we currently have (if any, fullscreen or otherwise)
RemovePluginView();
mFullScreen = true;
AddPluginView();
mInstance->NotifyFullScreen(mFullScreen);
}
void nsPluginInstanceOwner::ExitFullScreen() {
if (!mFullScreen)
return;
RemovePluginView();
mFullScreen = false;
int32_t model = mInstance->GetANPDrawingModel();
if (model == kSurface_ANPDrawingModel) {
// We need to do this immediately, otherwise Flash
// sometimes causes a deadlock (bug 762407)
AddPluginView(GetPluginRect());
}
mInstance->NotifyFullScreen(mFullScreen);
// This will cause Paint() to be called, which is where
// we normally add/update views and layers
Invalidate();
}
void nsPluginInstanceOwner::ExitFullScreen(jobject view) {
JNIEnv* env = AndroidBridge::GetJNIEnv();
if (sFullScreenInstance && sFullScreenInstance->mInstance &&
env->IsSameObject(view, (jobject)sFullScreenInstance->mInstance->GetJavaSurface())) {
sFullScreenInstance->ExitFullScreen();
}
}
#endif
nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent)
{
#ifdef MOZ_WIDGET_ANDROID
if (mInstance) {
ANPEvent event;
event.inSize = sizeof(ANPEvent);
event.eventType = kLifecycle_ANPEventType;
nsAutoString eventType;
aFocusEvent->GetType(eventType);
if (eventType.EqualsLiteral("focus")) {
event.data.lifecycle.action = kGainFocus_ANPLifecycleAction;
}
else if (eventType.EqualsLiteral("blur")) {
event.data.lifecycle.action = kLoseFocus_ANPLifecycleAction;
}
else {
NS_ASSERTION(false, "nsPluginInstanceOwner::DispatchFocusToPlugin, wierd eventType");
}
mInstance->HandleEvent(&event, nullptr);
}
#endif
#ifndef XP_MACOSX
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow)) {
// continue only for cases without child window
return aFocusEvent->PreventDefault(); // consume event
}
#endif
WidgetEvent* theEvent = aFocusEvent->GetInternalNSEvent();
if (theEvent) {
// we only care about the message in ProcessEvent
WidgetGUIEvent focusEvent(theEvent->mFlags.mIsTrusted, theEvent->message,
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->GetInternalNSEvent()->AsKeyboardEvent();
if (keyEvent && keyEvent->eventStructType == NS_KEY_EVENT) {
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 (mObjectFrame && mPluginWindow &&
mPluginWindow->type == NPWindowTypeDrawable) {
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm) {
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mContent);
fm->SetFocus(elem, 0);
}
}
WidgetMouseEvent* mouseEvent =
aMouseEvent->GetInternalNSEvent()->AsMouseEvent();
if (mouseEvent && mouseEvent->eventStructType == NS_MOUSE_EVENT) {
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->GetInternalNSEvent()->AsMouseEvent();
if (mouseEvent && mouseEvent->eventStructType == NS_MOUSE_EVENT) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aMouseEvent->PreventDefault();
if (!aAllowPropagate) {
aMouseEvent->StopPropagation();
}
}
if (mouseEvent->message == NS_MOUSE_BUTTON_UP) {
mLastMouseDownButtonType = -1;
}
}
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);
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")) {
// Don't send a mouse-up event to the plugin if its button type doesn't
// match that of the preceding mouse-down event (if any). This kind of
// mismatch can happen if the previous mouse-down event was sent to a DOM
// element above the plugin, the mouse is still above the plugin, and the
// mouse-down event caused the element to disappear. See bug 627649 and
// bug 909678.
WidgetMouseEvent* mouseEvent = aEvent->GetInternalNSEvent()->AsMouseEvent();
if (mouseEvent &&
static_cast<int>(mouseEvent->button) != mLastMouseDownButtonType) {
aEvent->PreventDefault();
return NS_OK;
}
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);
}
nsCOMPtr<nsIDOMDragEvent> dragEvent(do_QueryInterface(aEvent));
if (dragEvent && mInstance) {
WidgetEvent* ievent = aEvent->GetInternalNSEvent();
if ((ievent && ievent->mFlags.mIsTrusted) &&
ievent->message != NS_DRAGDROP_ENTER && ievent->message != NS_DRAGDROP_OVER) {
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
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const WidgetGUIEvent& anEvent)
{
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance || !mObjectFrame) // if mInstance is null, we shouldn't be here
return nsEventStatus_eIgnore;
#ifdef XP_MACOSX
if (!mWidget)
return nsEventStatus_eIgnore;
// we never care about synthesized mouse enter
if (anEvent.message == NS_MOUSE_ENTER_SYNTH)
return nsEventStatus_eIgnore;
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (!pluginWidget || NS_FAILED(pluginWidget->StartDrawPlugin()))
return nsEventStatus_eIgnore;
NPEventModel eventModel = GetEventModel();
// If we have to synthesize an event we'll use one of these.
NPCocoaEvent synthCocoaEvent;
void* event = anEvent.pluginEvent;
nsPoint pt =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->GetContentRectRelativeToSelf().TopLeft();
nsPresContext* presContext = mObjectFrame->PresContext();
// Plugin event coordinates need to be translated from device pixels
// into "display pixels" in HiDPI modes.
double scaleFactor = 1.0;
GetContentsScaleFactor(&scaleFactor);
size_t intScaleFactor = ceil(scaleFactor);
nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x) / intScaleFactor,
presContext->AppUnitsToDevPixels(pt.y) / intScaleFactor);
if (!event) {
InitializeNPCocoaEvent(&synthCocoaEvent);
switch (anEvent.message) {
case NS_MOUSE_MOVE:
{
// Ignore mouse-moved events that happen as part of a dragging
// operation that started over another frame. See bug 525078.
nsRefPtr<nsFrameSelection> frameselection = mObjectFrame->GetFrameSelection();
if (!frameselection->GetMouseDownState() ||
(nsIPresShell::GetCapturingContent() == mObjectFrame->GetContent())) {
synthCocoaEvent.type = NPCocoaEventMouseMoved;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
event = &synthCocoaEvent;
}
}
break;
case NS_MOUSE_BUTTON_DOWN:
synthCocoaEvent.type = NPCocoaEventMouseDown;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
event = &synthCocoaEvent;
break;
case NS_MOUSE_BUTTON_UP:
// If we're in a dragging operation that started over another frame,
// convert it into a mouse-entered event (in the Cocoa Event Model).
// See bug 525078.
if (anEvent.AsMouseEvent()->button == WidgetMouseEvent::eLeftButton &&
(nsIPresShell::GetCapturingContent() != mObjectFrame->GetContent())) {
synthCocoaEvent.type = NPCocoaEventMouseEntered;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
event = &synthCocoaEvent;
} else {
synthCocoaEvent.type = NPCocoaEventMouseUp;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
event = &synthCocoaEvent;
}
break;
default:
break;
}
// If we still don't have an event, bail.
if (!event) {
pluginWidget->EndDrawPlugin();
return nsEventStatus_eIgnore;
}
}
int16_t response = kNPEventNotHandled;
void* window = FixUpPluginWindow(ePluginPaintEnable);
if (window || (eventModel == NPEventModelCocoa)) {
mInstance->HandleEvent(event, &response, NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
}
if (eventModel == NPEventModelCocoa && response == kNPEventStartIME) {
pluginWidget->StartComplexTextInputForCurrentEvent();
}
if ((response == kNPEventHandled || response == kNPEventStartIME) &&
!(anEvent.message == NS_MOUSE_BUTTON_DOWN &&
anEvent.AsMouseEvent()->button == WidgetMouseEvent::eLeftButton &&
!mContentFocused)) {
rv = nsEventStatus_eConsumeNoDefault;
}
pluginWidget->EndDrawPlugin();
#endif
#ifdef XP_WIN
// this code supports windowless plugins
NPEvent *pPluginEvent = (NPEvent*)anEvent.pluginEvent;
// we can get synthetic events from the EventStateManager... these
// have no pluginEvent
NPEvent pluginEvent;
if (anEvent.eventStructType == NS_MOUSE_EVENT) {
if (!pPluginEvent) {
// XXX Should extend this list to synthesize events for more event
// types
pluginEvent.event = 0;
const WidgetMouseEvent* mouseEvent = anEvent.AsMouseEvent();
switch (anEvent.message) {
case NS_MOUSE_MOVE:
pluginEvent.event = WM_MOUSEMOVE;
break;
case NS_MOUSE_BUTTON_DOWN: {
static const int downMsgs[] =
{ WM_LBUTTONDOWN, WM_MBUTTONDOWN, WM_RBUTTONDOWN };
static const int dblClickMsgs[] =
{ WM_LBUTTONDBLCLK, WM_MBUTTONDBLCLK, WM_RBUTTONDBLCLK };
if (mouseEvent->clickCount == 2) {
pluginEvent.event = dblClickMsgs[mouseEvent->button];
} else {
pluginEvent.event = downMsgs[mouseEvent->button];
}
break;
}
case NS_MOUSE_BUTTON_UP: {
static const int upMsgs[] =
{ WM_LBUTTONUP, WM_MBUTTONUP, WM_RBUTTONUP };
pluginEvent.event = upMsgs[mouseEvent->button];
break;
}
// don't synthesize anything for NS_MOUSE_DOUBLECLICK, 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) {
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.message == NS_MOUSE_BUTTON_DOWN ||
anEvent.message == NS_MOUSE_BUTTON_UP ||
anEvent.message == NS_MOUSE_DOUBLECLICK ||
anEvent.message == NS_MOUSE_ENTER_SYNTH ||
anEvent.message == NS_MOUSE_EXIT_SYNTH ||
anEvent.message == NS_MOUSE_MOVE,
"Incorrect event type for coordinate translation");
nsPoint pt =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->GetContentRectRelativeToSelf().TopLeft();
nsPresContext* presContext = mObjectFrame->PresContext();
nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x),
presContext->AppUnitsToDevPixels(pt.y));
nsIntPoint widgetPtPx = ptPx + mObjectFrame->GetWindowOriginInPixels(true);
pPluginEvent->lParam = MAKELPARAM(widgetPtPx.x, widgetPtPx.y);
}
}
else if (!pPluginEvent) {
switch (anEvent.message) {
case NS_FOCUS_CONTENT:
pluginEvent.event = WM_SETFOCUS;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
pPluginEvent = &pluginEvent;
break;
case NS_BLUR_CONTENT:
pluginEvent.event = WM_KILLFOCUS;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
pPluginEvent = &pluginEvent;
break;
}
}
if (pPluginEvent && !pPluginEvent->event) {
// Don't send null events to plugins.
NS_WARNING("nsObjectFrame ProcessEvent: trying to send null event to plugin.");
return rv;
}
if (pPluginEvent) {
int16_t response = kNPEventNotHandled;
mInstance->HandleEvent(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.widget;
XEvent pluginEvent = XEvent();
pluginEvent.type = 0;
switch(anEvent.eventStructType)
{
case NS_MOUSE_EVENT:
{
switch (anEvent.message)
{
case NS_MOUSE_CLICK:
case NS_MOUSE_DOUBLECLICK:
// Button up/down events sent instead.
return rv;
}
// Get reference point relative to plugin origin.
const nsPresContext* presContext = mObjectFrame->PresContext();
nsPoint appPoint =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->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.refPoint +
LayoutDeviceIntPoint::FromUntyped(widget->WidgetToScreenOffset());
#ifdef MOZ_WIDGET_GTK
Window root = GDK_ROOT_WINDOW();
#elif defined(MOZ_WIDGET_QT)
Window root = RootWindowOfScreen(DefaultScreenOfDisplay(mozilla::DefaultXDisplay()));
#else
Window root = None; // Could XQueryTree, but this is not important.
#endif
switch (anEvent.message)
{
case NS_MOUSE_ENTER_SYNTH:
case NS_MOUSE_EXIT_SYNTH:
{
XCrossingEvent& event = pluginEvent.xcrossing;
event.type = anEvent.message == NS_MOUSE_ENTER_SYNTH ?
EnterNotify : LeaveNotify;
event.root = root;
event.time = anEvent.time;
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 = None;
event.mode = -1;
event.detail = NotifyDetailNone;
event.same_screen = True;
event.focus = mContentFocused;
}
break;
case NS_MOUSE_MOVE:
{
XMotionEvent& event = pluginEvent.xmotion;
event.type = MotionNotify;
event.root = root;
event.time = anEvent.time;
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 = None;
event.is_hint = NotifyNormal;
event.same_screen = True;
}
break;
case NS_MOUSE_BUTTON_DOWN:
case NS_MOUSE_BUTTON_UP:
{
XButtonEvent& event = pluginEvent.xbutton;
event.type = anEvent.message == NS_MOUSE_BUTTON_DOWN ?
ButtonPress : ButtonRelease;
event.root = root;
event.time = anEvent.time;
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 = None;
event.same_screen = True;
}
break;
}
}
break;
//XXX case NS_MOUSE_SCROLL_EVENT: not received.
case NS_KEY_EVENT:
if (anEvent.pluginEvent)
{
XKeyEvent &event = pluginEvent.xkey;
#ifdef MOZ_WIDGET_GTK
event.root = GDK_ROOT_WINDOW();
event.time = anEvent.time;
const GdkEventKey* gdkEvent =
static_cast<const GdkEventKey*>(anEvent.pluginEvent);
event.keycode = gdkEvent->hardware_keycode;
event.state = gdkEvent->state;
switch (anEvent.message)
{
case NS_KEY_DOWN:
// Handle NS_KEY_DOWN for modifier key presses
// For non-modifiers we get NS_KEY_PRESS
if (gdkEvent->is_modifier)
event.type = XKeyPress;
break;
case NS_KEY_PRESS:
event.type = XKeyPress;
break;
case NS_KEY_UP:
event.type = KeyRelease;
break;
}
#endif
// Information that could be obtained from pluginEvent but we may not
// want to promise to provide:
event.subwindow = None;
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.message)
{
case NS_FOCUS_CONTENT:
case NS_BLUR_CONTENT:
{
XFocusChangeEvent &event = pluginEvent.xfocus;
event.type =
anEvent.message == NS_FOCUS_CONTENT ? FocusIn : FocusOut;
// information lost:
event.mode = -1;
event.detail = NotifyDetailNone;
}
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 = None; // 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
#ifdef MOZ_WIDGET_ANDROID
// this code supports windowless plugins
{
// The plugin needs focus to receive keyboard and touch events
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm) {
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mContent);
fm->SetFocus(elem, 0);
}
}
switch(anEvent.eventStructType)
{
case NS_MOUSE_EVENT:
{
switch (anEvent.message)
{
case NS_MOUSE_CLICK:
case NS_MOUSE_DOUBLECLICK:
// Button up/down events sent instead.
return rv;
}
// Get reference point relative to plugin origin.
const nsPresContext* presContext = mObjectFrame->PresContext();
nsPoint appPoint =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->GetContentRectRelativeToSelf().TopLeft();
nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x),
presContext->AppUnitsToDevPixels(appPoint.y));
switch (anEvent.message)
{
case NS_MOUSE_MOVE:
{
// are these going to be touch events?
// pluginPoint.x;
// pluginPoint.y;
}
break;
case NS_MOUSE_BUTTON_DOWN:
{
ANPEvent event;
event.inSize = sizeof(ANPEvent);
event.eventType = kMouse_ANPEventType;
event.data.mouse.action = kDown_ANPMouseAction;
event.data.mouse.x = pluginPoint.x;
event.data.mouse.y = pluginPoint.y;
mInstance->HandleEvent(&event, nullptr, NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
}
break;
case NS_MOUSE_BUTTON_UP:
{
ANPEvent event;
event.inSize = sizeof(ANPEvent);
event.eventType = kMouse_ANPEventType;
event.data.mouse.action = kUp_ANPMouseAction;
event.data.mouse.x = pluginPoint.x;
event.data.mouse.y = pluginPoint.y;
mInstance->HandleEvent(&event, nullptr, NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
}
break;
}
}
break;
case NS_KEY_EVENT:
{
const WidgetKeyboardEvent& keyEvent = *anEvent.AsKeyboardEvent();
LOG("Firing NS_KEY_EVENT %d %d\n", keyEvent.keyCode, keyEvent.charCode);
// pluginEvent is initialized by nsWindow::InitKeyEvent().
ANPEvent* pluginEvent = reinterpret_cast<ANPEvent*>(keyEvent.pluginEvent);
if (pluginEvent) {
MOZ_ASSERT(pluginEvent->inSize == sizeof(ANPEvent));
MOZ_ASSERT(pluginEvent->eventType == kKey_ANPEventType);
mInstance->HandleEvent(pluginEvent, nullptr, NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
}
}
break;
default:
break;
}
rv = nsEventStatus_eConsumeNoDefault;
#endif
return rv;
}
nsresult
nsPluginInstanceOwner::Destroy()
{
SetFrame(nullptr);
#ifdef XP_MACOSX
RemoveFromCARefreshTimer();
if (mColorProfile)
::CGColorSpaceRelease(mColorProfile);
#endif
// unregister context menu listener
if (mCXMenuListener) {
mCXMenuListener->Destroy(mContent);
mCXMenuListener = nullptr;
}
mContent->RemoveEventListener(NS_LITERAL_STRING("focus"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("blur"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("click"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("dblclick"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, false);
mContent->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("drop"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragdrop"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("drag"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragenter"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragover"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragleave"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragexit"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragstart"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("draggesture"), this, true);
mContent->RemoveEventListener(NS_LITERAL_STRING("dragend"), this, true);
#if MOZ_WIDGET_ANDROID
RemovePluginView();
#endif
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 || !mObjectFrame)
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);
}
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
DoCocoaEventDrawRect(dirtyRectCopy, cgContext);
pluginWidget->EndDrawPlugin();
}
}
void nsPluginInstanceOwner::DoCocoaEventDrawRect(const gfxRect& aDrawRect, CGContextRef cgContext)
{
if (!mInstance || !mObjectFrame)
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 || !mObjectFrame)
return;
NPEvent pluginEvent;
pluginEvent.event = WM_PAINT;
pluginEvent.wParam = WPARAM(aDC);
pluginEvent.lParam = LPARAM(&aDirty);
mInstance->HandleEvent(&pluginEvent, nullptr);
}
#endif
#ifdef MOZ_WIDGET_ANDROID
void nsPluginInstanceOwner::Paint(gfxContext* aContext,
const gfxRect& aFrameRect,
const gfxRect& aDirtyRect)
{
if (!mInstance || !mObjectFrame || !mPluginDocumentActiveState || mFullScreen)
return;
int32_t model = mInstance->GetANPDrawingModel();
if (model == kSurface_ANPDrawingModel) {
if (!AddPluginView(GetPluginRect())) {
Invalidate();
}
return;
}
if (model != kBitmap_ANPDrawingModel)
return;
#ifdef ANP_BITMAP_DRAWING_MODEL
static nsRefPtr<gfxImageSurface> pluginSurface;
if (pluginSurface == nullptr ||
aFrameRect.width != pluginSurface->Width() ||
aFrameRect.height != pluginSurface->Height()) {
pluginSurface = new gfxImageSurface(gfxIntSize(aFrameRect.width, aFrameRect.height),
gfxImageFormat::ARGB32);
if (!pluginSurface)
return;
}
// Clears buffer. I think this is needed.
gfxUtils::ClearThebesSurface(pluginSurface);
ANPEvent event;
event.inSize = sizeof(ANPEvent);
event.eventType = 4;
event.data.draw.model = 1;
event.data.draw.clip.top = 0;
event.data.draw.clip.left = 0;
event.data.draw.clip.bottom = aFrameRect.width;
event.data.draw.clip.right = aFrameRect.height;
event.data.draw.data.bitmap.format = kRGBA_8888_ANPBitmapFormat;
event.data.draw.data.bitmap.width = aFrameRect.width;
event.data.draw.data.bitmap.height = aFrameRect.height;
event.data.draw.data.bitmap.baseAddr = pluginSurface->Data();
event.data.draw.data.bitmap.rowBytes = aFrameRect.width * 4;
if (!mInstance)
return;
mInstance->HandleEvent(&event, nullptr);
aContext->SetOperator(gfxContext::OPERATOR_SOURCE);
aContext->SetSource(pluginSurface, gfxPoint(aFrameRect.x, aFrameRect.y));
aContext->Clip(aFrameRect);
aContext->Paint();
#endif
}
#endif
#if defined(MOZ_X11)
void nsPluginInstanceOwner::Paint(gfxContext* aContext,
const gfxRect& aFrameRect,
const gfxRect& aDirtyRect)
{
if (!mInstance || !mObjectFrame)
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->Translate(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 = 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);
nsObjectFrame* objFrame = static_cast<nsObjectFrame*>(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);
mContent->AddEventListener(NS_LITERAL_STRING("focus"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("blur"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("mouseup"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("mousedown"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("mousemove"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("click"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("dblclick"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("mouseover"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("mouseout"), this, false,
false);
mContent->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("drop"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragdrop"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("drag"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragenter"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragover"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragleave"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragexit"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragstart"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("draggesture"), this, true);
mContent->AddEventListener(NS_LITERAL_STRING("dragend"), this, true);
return NS_OK;
}
void* nsPluginInstanceOwner::GetPluginPortFromWidget()
{
//!!! Port must be released for windowless plugins on Windows, because it is HDC !!!
void* result = nullptr;
if (mWidget) {
#ifdef XP_WIN
if (mPluginWindow && (mPluginWindow->type == NPWindowTypeDrawable))
result = mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
else
#endif
#ifdef XP_MACOSX
if (GetDrawingModel() == NPDrawingModelCoreGraphics ||
GetDrawingModel() == NPDrawingModelCoreAnimation ||
GetDrawingModel() == NPDrawingModelInvalidatingCoreAnimation)
result = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT_CG);
else
#endif
result = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
}
return result;
}
void nsPluginInstanceOwner::ReleasePluginPort(void * pluginPort)
{
#ifdef XP_WIN
if (mWidget && mPluginWindow &&
mPluginWindow->type == NPWindowTypeDrawable) {
mWidget->FreeNativeData((HDC)pluginPort, NS_NATIVE_GRAPHIC);
}
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
{
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
nsresult rv = NS_ERROR_FAILURE;
// 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
// Mac plugins use the widget for setting up the plugin window and event handling.
// We want to use the puppet widgets there with e10s
#ifndef XP_MACOSX
&& !nsIWidget::UsePuppetWidgets()
#endif
) {
// Try to get a parent widget, on some platforms widget creation will fail without
// a parent.
nsCOMPtr<nsIWidget> parentWidget;
nsIDocument *doc = nullptr;
if (mContent) {
doc = mContent->OwnerDoc();
parentWidget = nsContentUtils::WidgetForDocument(doc);
}
mWidget = do_CreateInstance(kWidgetCID, &rv);
if (NS_FAILED(rv)) {
return rv;
}
nsWidgetInitData initData;
initData.mWindowType = eWindowType_plugin;
initData.mUnicode = false;
initData.clipChildren = true;
initData.clipSiblings = true;
rv = mWidget->Create(parentWidget.get(), nullptr, nsIntRect(0,0,0,0),
nullptr, &initData);
if (NS_FAILED(rv)) {
mWidget->Destroy();
mWidget = nullptr;
return rv;
}
mWidget->EnableDragDrop(true);
mWidget->Show(false);
mWidget->Enable(false);
#ifdef XP_MACOSX
// Now that we have a widget we want to set the event model before
// any events are processed.
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (!pluginWidget) {
return NS_ERROR_FAILURE;
}
pluginWidget->SetPluginEventModel(GetEventModel());
pluginWidget->SetPluginDrawingModel(GetDrawingModel());
if (GetDrawingModel() == NPDrawingModelCoreAnimation) {
AddToCARefreshTimer();
}
#endif
}
if (mObjectFrame) {
// nullptr widget is fine, will result in windowless setup.
mObjectFrame->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 = GetPluginPortFromWidget();
// 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);
}
}
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 (!mWidget || !mPluginWindow || !mInstance || !mObjectFrame)
return nullptr;
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (!pluginWidget)
return nullptr;
// If we've already set up a CGContext in nsObjectFrame::PaintPlugin(), we
// don't want calls to SetPluginPortAndDetectChange() to step on our work.
if (mInCGPaintLevel < 1) {
SetPluginPortAndDetectChange();
}
// We'll need the top-level Cocoa window for the Cocoa event model.
nsIWidget* widget = mObjectFrame->GetNearestWidget();
if (!widget)
return nullptr;
void *cocoaTopLevelWindow = widget->GetNativeData(NS_NATIVE_WINDOW);
// We don't expect to have a top level window in a content process
if (!cocoaTopLevelWindow && XRE_GetProcessType() == GeckoProcessType_Default) {
return nullptr;
}
nsIntPoint pluginOrigin;
nsIntRect widgetClip;
bool widgetVisible;
pluginWidget->GetPluginClipRect(widgetClip, pluginOrigin, widgetVisible);
// TODO: Detect visibility for e10s mac plugins
if (XRE_GetProcessType() != GeckoProcessType_Default) {
widgetVisible = true;
}
mWidgetVisible = widgetVisible;
// printf("GetPluginClipRect returning visible %d\n", widgetVisible);
// This would be a lot easier if we could use obj-c here,
// but we can't. Since we have only nsIWidget and we can't
// use its native widget (an obj-c object) we have to go
// from the widget's screen coordinates to its window coords
// instead of straight to window coords.
nsIntPoint geckoScreenCoords = mWidget->WidgetToScreenOffset();
nsRect windowRect;
if (cocoaTopLevelWindow) {
NS_NPAPI_CocoaWindowFrame(cocoaTopLevelWindow, windowRect);
}
double scaleFactor = 1.0;
GetContentsScaleFactor(&scaleFactor);
int intScaleFactor = ceil(scaleFactor);
// Convert geckoScreenCoords from device pixels to "display pixels"
// for HiDPI modes.
mPluginWindow->x = geckoScreenCoords.x/intScaleFactor - windowRect.x;
mPluginWindow->y = geckoScreenCoords.y/intScaleFactor - windowRect.y;
NPRect oldClipRect = mPluginWindow->clipRect;
// fix up the clipping region
mPluginWindow->clipRect.top = widgetClip.y;
mPluginWindow->clipRect.left = widgetClip.x;
if (!mWidgetVisible || inPaintState == ePluginPaintDisable) {
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left;
}
else if (XRE_GetProcessType() != GeckoProcessType_Default)
{
// For e10s we only support async windowless plugin. This means that
// we're always going to allocate a full window for the plugin to draw
// for even if the plugin is mostly outside of the scroll port. Thus
// we never trim the window to the bounds of the widget.
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top + mPluginWindow->height;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left + mPluginWindow->width;
}
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 ||
mPluginPortChanged)
{
if (UseAsyncRendering()) {
mInstance->AsyncSetWindow(mPluginWindow);
}
else {
mPluginWindow->CallSetWindow(mInstance);
}
mPluginPortChanged = false;
}
// 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;
WidgetPluginEvent pluginEvent(true, NS_PLUGIN_FOCUS_EVENT, nullptr);
NPCocoaEvent cocoaEvent;
InitializeNPCocoaEvent(&cocoaEvent);
cocoaEvent.type = NPCocoaEventWindowFocusChanged;
cocoaEvent.data.focus.hasFocus = cocoaTopLevelWindow ? NS_NPAPI_CocoaWindowIsMain(cocoaTopLevelWindow) : true;
pluginEvent.pluginEvent = &cocoaEvent;
ProcessEvent(pluginEvent);
}
return nullptr;
}
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 = mObjectFrame->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);
}
void
nsPluginInstanceOwner::UpdateDocumentActiveState(bool aIsActive)
{
mPluginDocumentActiveState = aIsActive;
UpdateWindowPositionAndClipRect(true);
#ifdef MOZ_WIDGET_ANDROID
if (mInstance) {
if (!mPluginDocumentActiveState)
RemovePluginView();
mInstance->NotifyOnScreen(mPluginDocumentActiveState);
// This is, perhaps, incorrect. It is supposed to be sent
// when "the webview has paused or resumed". The side effect
// is that Flash video players pause or resume (if they were
// playing before) based on the value here. I personally think
// we want that on Android when switching to another tab, so
// that's why we call it here.
mInstance->NotifyForeground(mPluginDocumentActiveState);
}
#endif
}
#endif // XP_MACOSX
NS_IMETHODIMP
nsPluginInstanceOwner::CallSetWindow()
{
if (mObjectFrame) {
mObjectFrame->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)
nsIPresShell* presShell = nsContentUtils::FindPresShellForDocument(mContent->OwnerDoc());
if (presShell) {
scaleFactor = double(nsPresContext::AppUnitsPerCSSPixel())/
presShell->GetPresContext()->DeviceContext()->UnscaledAppUnitsPerDevPixel();
}
#endif
*result = scaleFactor;
return NS_OK;
}
void nsPluginInstanceOwner::SetFrame(nsObjectFrame *aFrame)
{
// Don't do anything if the frame situation hasn't changed.
if (mObjectFrame == aFrame) {
return;
}
// If we already have a frame that is changing or going away...
if (mObjectFrame) {
// Make sure the old frame isn't holding a reference to us.
mObjectFrame->SetInstanceOwner(nullptr);
}
// Swap in the new frame (or no frame)
mObjectFrame = aFrame;
// Set up a new frame
if (mObjectFrame) {
mObjectFrame->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) {
mObjectFrame->PrepForDrawing(mWidget);
}
mObjectFrame->FixupWindow(mObjectFrame->GetContentRectRelativeToSelf().Size());
mObjectFrame->InvalidateFrame();
nsFocusManager* fm = nsFocusManager::GetFocusManager();
const nsIContent* content = aFrame->GetContent();
if (fm && content) {
mContentFocused = (content == fm->GetFocusedContent());
}
}
}
nsObjectFrame* nsPluginInstanceOwner::GetFrame()
{
return mObjectFrame;
}
// Little helper function to resolve relative URL in
// |value| for certain inputs of |name|
void nsPluginInstanceOwner::FixUpURLS(const nsString &name, nsAString &value)
{
if (name.LowerCaseEqualsLiteral("pluginspage")) {
nsCOMPtr<nsIURI> baseURI = GetBaseURI();
nsAutoString newURL;
NS_MakeAbsoluteURI(newURL, value, baseURI);
if (!newURL.IsEmpty())
value = newURL;
}
}
NS_IMETHODIMP nsPluginInstanceOwner::PrivateModeChanged(bool aEnabled)
{
return mInstance ? mInstance->PrivateModeStateChanged(aEnabled) : NS_OK;
}
already_AddRefed<nsIURI> nsPluginInstanceOwner::GetBaseURI() const
{
if (!mContent) {
return nullptr;
}
return mContent->GetBaseURI();
}
// 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);
}
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