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-rw-r--r--dom/plugins/ipc/PluginInstanceParent.cpp2326
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diff --git a/dom/plugins/ipc/PluginInstanceParent.cpp b/dom/plugins/ipc/PluginInstanceParent.cpp
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+++ b/dom/plugins/ipc/PluginInstanceParent.cpp
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=4 et :
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/DebugOnly.h"
+#include <stdint.h> // for intptr_t
+
+#include "mozilla/BasicEvents.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "mozilla/Telemetry.h"
+#include "mozilla/ToString.h"
+#include "mozilla/dom/Element.h"
+#include "PluginInstanceParent.h"
+#include "BrowserStreamParent.h"
+#include "PluginBackgroundDestroyer.h"
+#include "PluginModuleParent.h"
+#include "StreamNotifyParent.h"
+#include "npfunctions.h"
+#include "gfxASurface.h"
+#include "gfxContext.h"
+#include "gfxPlatform.h"
+#include "gfxSharedImageSurface.h"
+#include "nsNetUtil.h"
+#include "nsNPAPIPluginInstance.h"
+#include "nsPluginInstanceOwner.h"
+#include "nsFocusManager.h"
+#ifdef MOZ_X11
+# include "gfxXlibSurface.h"
+#endif
+#include "gfxUtils.h"
+#include "mozilla/gfx/2D.h"
+#include "Layers.h"
+#include "ImageContainer.h"
+#include "GLContext.h"
+#include "GLContextProvider.h"
+#include "mozilla/layers/TextureWrapperImage.h"
+#include "mozilla/layers/TextureClientRecycleAllocator.h"
+#include "mozilla/layers/ImageBridgeChild.h"
+#if defined(XP_WIN)
+# include "mozilla/layers/D3D11ShareHandleImage.h"
+# include "mozilla/gfx/DeviceManagerDx.h"
+# include "mozilla/layers/TextureD3D11.h"
+#endif
+
+#ifdef XP_MACOSX
+# include "MacIOSurfaceImage.h"
+#endif
+
+#if defined(OS_WIN)
+# include <windowsx.h>
+# include "gfxWindowsPlatform.h"
+# include "mozilla/plugins/PluginSurfaceParent.h"
+# include "nsClassHashtable.h"
+# include "nsHashKeys.h"
+# include "nsIWidget.h"
+# include "nsPluginNativeWindow.h"
+# include "PluginQuirks.h"
+# include "mozilla/layers/CompositorBridgeChild.h"
+# include "GPUVideoImage.h"
+# include "mozilla/layers/SynchronousTask.h"
+extern const wchar_t* kFlashFullscreenClass;
+#elif defined(MOZ_WIDGET_GTK)
+# include "mozilla/dom/ContentChild.h"
+# include <gdk/gdk.h>
+#elif defined(XP_MACOSX)
+# include <ApplicationServices/ApplicationServices.h>
+#endif // defined(XP_MACOSX)
+
+using namespace mozilla::plugins;
+using namespace mozilla::layers;
+using namespace mozilla::gl;
+
+void StreamNotifyParent::ActorDestroy(ActorDestroyReason aWhy) {
+ // Implement me! Bug 1005162
+}
+
+mozilla::ipc::IPCResult StreamNotifyParent::RecvRedirectNotifyResponse(
+ const bool& allow) {
+ PluginInstanceParent* instance =
+ static_cast<PluginInstanceParent*>(Manager());
+ instance->mNPNIface->urlredirectresponse(instance->mNPP, this,
+ static_cast<NPBool>(allow));
+ return IPC_OK();
+}
+
+#if defined(XP_WIN)
+namespace mozilla {
+namespace plugins {
+/**
+ * e10s specific, used in cross referencing hwnds with plugin instances so we
+ * can access methods here from PluginWidgetChild.
+ */
+static nsClassHashtable<nsVoidPtrHashKey, PluginInstanceParent>*
+ sPluginInstanceList;
+
+// static
+PluginInstanceParent* PluginInstanceParent::LookupPluginInstanceByID(
+ uintptr_t aId) {
+ MOZ_ASSERT(NS_IsMainThread());
+ if (sPluginInstanceList) {
+ return sPluginInstanceList->Get((void*)aId);
+ }
+ return nullptr;
+}
+} // namespace plugins
+} // namespace mozilla
+#endif
+
+PluginInstanceParent::PluginInstanceParent(PluginModuleParent* parent, NPP npp,
+ const nsCString& aMimeType,
+ const NPNetscapeFuncs* npniface)
+ : mParent(parent),
+ mNPP(npp),
+ mNPNIface(npniface),
+ mWindowType(NPWindowTypeWindow),
+ mDrawingModel(kDefaultDrawingModel),
+ mLastRecordedDrawingModel(-1),
+ mFrameID(0)
+#if defined(OS_WIN)
+ ,
+ mPluginHWND(nullptr),
+ mChildPluginHWND(nullptr),
+ mChildPluginsParentHWND(nullptr),
+ mPluginWndProc(nullptr)
+#endif // defined(XP_WIN)
+#if defined(XP_MACOSX)
+ ,
+ mShWidth(0),
+ mShHeight(0),
+ mShColorSpace(nullptr)
+#endif
+{
+#if defined(OS_WIN)
+ if (!sPluginInstanceList) {
+ sPluginInstanceList =
+ new nsClassHashtable<nsVoidPtrHashKey, PluginInstanceParent>();
+ }
+#endif
+}
+
+PluginInstanceParent::~PluginInstanceParent() {
+ if (mNPP) mNPP->pdata = nullptr;
+
+#if defined(OS_WIN)
+ NS_ASSERTION(!(mPluginHWND || mPluginWndProc),
+ "Subclass was not reset correctly before the dtor was reached!");
+#endif
+#if defined(MOZ_WIDGET_COCOA)
+ if (mShWidth != 0 && mShHeight != 0) {
+ DeallocShmem(mShSurface);
+ }
+ if (mShColorSpace) ::CGColorSpaceRelease(mShColorSpace);
+#endif
+}
+
+bool PluginInstanceParent::InitMetadata(const nsACString& aMimeType,
+ const nsACString& aSrcAttribute) {
+ if (aSrcAttribute.IsEmpty()) {
+ return false;
+ }
+ // Ensure that the src attribute is absolute
+ RefPtr<nsPluginInstanceOwner> owner = GetOwner();
+ if (!owner) {
+ return false;
+ }
+ return NS_SUCCEEDED(
+ NS_MakeAbsoluteURI(mSrcAttribute, aSrcAttribute, owner->GetBaseURI()));
+}
+
+void PluginInstanceParent::ActorDestroy(ActorDestroyReason why) {
+#if defined(OS_WIN)
+ if (why == AbnormalShutdown) {
+ // If the plugin process crashes, this is the only
+ // chance we get to destroy resources.
+ UnsubclassPluginWindow();
+ }
+#endif
+ if (mFrontSurface) {
+ mFrontSurface = nullptr;
+ if (mImageContainer) {
+ mImageContainer->ClearAllImages();
+ }
+#ifdef MOZ_X11
+ FinishX(DefaultXDisplay());
+#endif
+ }
+ if (IsUsingDirectDrawing() && mImageContainer) {
+ mImageContainer->ClearAllImages();
+ }
+}
+
+NPError PluginInstanceParent::Destroy() {
+ NPError retval;
+ if (!CallNPP_Destroy(&retval)) {
+ retval = NPERR_GENERIC_ERROR;
+ }
+
+#if defined(OS_WIN)
+ UnsubclassPluginWindow();
+#endif
+
+ return retval;
+}
+
+bool PluginInstanceParent::IsUsingDirectDrawing() {
+ return IsDrawingModelDirect(mDrawingModel);
+}
+
+PBrowserStreamParent* PluginInstanceParent::AllocPBrowserStreamParent(
+ const nsCString& url, const uint32_t& length, const uint32_t& lastmodified,
+ PStreamNotifyParent* notifyData, const nsCString& headers) {
+ MOZ_CRASH("Not reachable");
+ return nullptr;
+}
+
+bool PluginInstanceParent::DeallocPBrowserStreamParent(
+ PBrowserStreamParent* stream) {
+ delete stream;
+ return true;
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_NPNVnetscapeWindow(
+ NativeWindowHandle* value, NPError* result) {
+#ifdef XP_WIN
+ HWND id;
+#elif defined(MOZ_X11)
+ XID id;
+#elif defined(XP_DARWIN)
+ intptr_t id;
+#elif defined(ANDROID) || defined(MOZ_WAYLAND)
+ // TODO: Need impl
+ int id;
+#else
+# warning Implement me
+#endif
+
+ *result = mNPNIface->getvalue(mNPP, NPNVnetscapeWindow, &id);
+ *value = id;
+ return IPC_OK();
+}
+
+bool PluginInstanceParent::InternalGetValueForNPObject(
+ NPNVariable aVariable, PPluginScriptableObjectParent** aValue,
+ NPError* aResult) {
+ NPObject* npobject;
+ NPError result = mNPNIface->getvalue(mNPP, aVariable, (void*)&npobject);
+ if (result == NPERR_NO_ERROR) {
+ NS_ASSERTION(npobject, "Shouldn't return null and NPERR_NO_ERROR!");
+
+ PluginScriptableObjectParent* actor = GetActorForNPObject(npobject);
+ mNPNIface->releaseobject(npobject);
+ if (actor) {
+ *aValue = actor;
+ *aResult = NPERR_NO_ERROR;
+ return true;
+ }
+
+ NS_ERROR("Failed to get actor!");
+ result = NPERR_GENERIC_ERROR;
+ }
+
+ *aValue = nullptr;
+ *aResult = result;
+ return true;
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_NPNVWindowNPObject(
+ PPluginScriptableObjectParent** aValue, NPError* aResult) {
+ if (!InternalGetValueForNPObject(NPNVWindowNPObject, aValue, aResult)) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_NPNVPluginElementNPObject(
+ PPluginScriptableObjectParent** aValue, NPError* aResult) {
+ if (!InternalGetValueForNPObject(NPNVPluginElementNPObject, aValue,
+ aResult)) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_NPNVprivateModeBool(bool* value,
+ NPError* result) {
+ NPBool v;
+ *result = mNPNIface->getvalue(mNPP, NPNVprivateModeBool, &v);
+ *value = v;
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_DrawingModelSupport(
+ const NPNVariable& model, bool* value) {
+ *value = false;
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_NPNVdocumentOrigin(nsCString* value,
+ NPError* result) {
+ void* v = nullptr;
+ *result = mNPNIface->getvalue(mNPP, NPNVdocumentOrigin, &v);
+ if (*result == NPERR_NO_ERROR && v) {
+ value->Adopt(static_cast<char*>(v));
+ }
+ return IPC_OK();
+}
+
+static inline bool AllowDirectBitmapSurfaceDrawing() {
+ if (!mozilla::StaticPrefs::dom_ipc_plugins_asyncdrawing_enabled()) {
+ return false;
+ }
+ return gfxPlatform::GetPlatform()->SupportsPluginDirectBitmapDrawing();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_SupportsAsyncBitmapSurface(
+ bool* value) {
+ *value = AllowDirectBitmapSurfaceDrawing();
+ return IPC_OK();
+}
+
+/* static */
+bool PluginInstanceParent::SupportsPluginDirectDXGISurfaceDrawing() {
+ bool value = false;
+#if defined(XP_WIN)
+ // When WebRender does not use ANGLE, DXGISurface could not be used.
+ bool useAsyncDXGISurface =
+ StaticPrefs::dom_ipc_plugins_allow_dxgi_surface() &&
+ !(gfx::gfxVars::UseWebRender() && !gfx::gfxVars::UseWebRenderANGLE());
+ if (useAsyncDXGISurface) {
+ auto cbc = CompositorBridgeChild::Get();
+ if (cbc) {
+ cbc->SendSupportsAsyncDXGISurface(&value);
+ }
+ }
+#endif
+ return value;
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_GetValue_PreferredDXGIAdapter(
+ DxgiAdapterDesc* aOutDesc) {
+ PodZero(aOutDesc);
+#if defined(XP_WIN)
+ auto cbc = CompositorBridgeChild::Get();
+ if (cbc) {
+ cbc->SendPreferredDXGIAdapter(aOutDesc);
+ }
+#endif
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginWindow(const bool& windowed,
+ NPError* result) {
+ // Yes, we are passing a boolean as a void*. We have to cast to intptr_t
+ // first to avoid gcc warnings about casting to a pointer from a
+ // non-pointer-sized integer.
+ *result = mNPNIface->setvalue(mNPP, NPPVpluginWindowBool,
+ (void*)(intptr_t)windowed);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginTransparent(
+ const bool& transparent, NPError* result) {
+ *result = mNPNIface->setvalue(mNPP, NPPVpluginTransparentBool,
+ (void*)(intptr_t)transparent);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginUsesDOMForCursor(
+ const bool& useDOMForCursor, NPError* result) {
+ *result = mNPNIface->setvalue(mNPP, NPPVpluginUsesDOMForCursorBool,
+ (void*)(intptr_t)useDOMForCursor);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginDrawingModel(
+ const int& drawingModel, NPError* result) {
+ bool allowed = false;
+
+ switch (drawingModel) {
+#if defined(XP_MACOSX)
+ case NPDrawingModelCoreAnimation:
+ case NPDrawingModelInvalidatingCoreAnimation:
+ case NPDrawingModelOpenGL:
+ case NPDrawingModelCoreGraphics:
+ allowed = true;
+ break;
+#elif defined(XP_WIN)
+ case NPDrawingModelSyncWin:
+ allowed = true;
+ break;
+ case NPDrawingModelAsyncWindowsDXGISurface:
+ allowed = SupportsPluginDirectDXGISurfaceDrawing();
+ break;
+#elif defined(MOZ_X11)
+ case NPDrawingModelSyncX:
+ allowed = true;
+ break;
+#endif
+ case NPDrawingModelAsyncBitmapSurface:
+ allowed = AllowDirectBitmapSurfaceDrawing();
+ break;
+ default:
+ allowed = false;
+ break;
+ }
+
+ if (!allowed) {
+ *result = NPERR_GENERIC_ERROR;
+ return IPC_OK();
+ }
+
+ mDrawingModel = drawingModel;
+
+ int requestModel = drawingModel;
+
+#ifdef XP_MACOSX
+ if (drawingModel == NPDrawingModelCoreAnimation ||
+ drawingModel == NPDrawingModelInvalidatingCoreAnimation) {
+ // We need to request CoreGraphics otherwise
+ // the nsPluginFrame will try to draw a CALayer
+ // that can not be shared across process.
+ requestModel = NPDrawingModelCoreGraphics;
+ }
+#endif
+
+ *result = mNPNIface->setvalue(mNPP, NPPVpluginDrawingModel,
+ (void*)(intptr_t)requestModel);
+
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginEventModel(
+ const int& eventModel, NPError* result) {
+#ifdef XP_MACOSX
+ *result = mNPNIface->setvalue(mNPP, NPPVpluginEventModel,
+ (void*)(intptr_t)eventModel);
+ return IPC_OK();
+#else
+ *result = NPERR_GENERIC_ERROR;
+ return IPC_OK();
+#endif
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_SetValue_NPPVpluginIsPlayingAudio(
+ const bool& isAudioPlaying, NPError* result) {
+ *result = mNPNIface->setvalue(mNPP, NPPVpluginIsPlayingAudio,
+ (void*)(intptr_t)isAudioPlaying);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerNPN_GetURL(
+ const nsCString& url, const nsCString& target, NPError* result) {
+ *result = mNPNIface->geturl(mNPP, NullableStringGet(url),
+ NullableStringGet(target));
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerNPN_PostURL(
+ const nsCString& url, const nsCString& target, const nsCString& buffer,
+ const bool& file, NPError* result) {
+ *result = mNPNIface->posturl(mNPP, url.get(), NullableStringGet(target),
+ buffer.Length(), buffer.get(), file);
+ return IPC_OK();
+}
+
+PStreamNotifyParent* PluginInstanceParent::AllocPStreamNotifyParent(
+ const nsCString& url, const nsCString& target, const bool& post,
+ const nsCString& buffer, const bool& file, NPError* result) {
+ return new StreamNotifyParent();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerPStreamNotifyConstructor(
+ PStreamNotifyParent* actor, const nsCString& url, const nsCString& target,
+ const bool& post, const nsCString& buffer, const bool& file,
+ NPError* result) {
+ bool streamDestroyed = false;
+ static_cast<StreamNotifyParent*>(actor)->SetDestructionFlag(&streamDestroyed);
+
+ if (!post) {
+ *result = mNPNIface->geturlnotify(mNPP, NullableStringGet(url),
+ NullableStringGet(target), actor);
+ } else {
+ *result = mNPNIface->posturlnotify(
+ mNPP, NullableStringGet(url), NullableStringGet(target),
+ buffer.Length(), NullableStringGet(buffer), file, actor);
+ }
+
+ if (streamDestroyed) {
+ // If the stream was destroyed, we must return an error code in the
+ // constructor.
+ *result = NPERR_GENERIC_ERROR;
+ } else {
+ static_cast<StreamNotifyParent*>(actor)->ClearDestructionFlag();
+ if (*result != NPERR_NO_ERROR) {
+ if (!PStreamNotifyParent::Send__delete__(actor, NPERR_GENERIC_ERROR)) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+ return IPC_OK();
+ }
+ }
+
+ return IPC_OK();
+}
+
+bool PluginInstanceParent::DeallocPStreamNotifyParent(
+ PStreamNotifyParent* notifyData) {
+ delete notifyData;
+ return true;
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvNPN_InvalidateRect(
+ const NPRect& rect) {
+ mNPNIface->invalidaterect(mNPP, const_cast<NPRect*>(&rect));
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvRevokeCurrentDirectSurface() {
+ ImageContainer* container = GetImageContainer();
+ if (!container) {
+ return IPC_OK();
+ }
+
+ container->ClearAllImages();
+
+ PLUGIN_LOG_DEBUG((" (RecvRevokeCurrentDirectSurface)"));
+ return IPC_OK();
+}
+
+#if defined(XP_WIN)
+// Uses the ImageBridge to perform IGPUVideoSurfaceManager operations
+// in the GPU process.
+class AsyncPluginSurfaceManager : public IGPUVideoSurfaceManager {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AsyncPluginSurfaceManager, override)
+
+ already_AddRefed<gfx::SourceSurface> Readback(
+ const SurfaceDescriptorGPUVideo& aSD) override {
+ SurfaceDescriptorPlugin pluginSD = aSD;
+ if (!InImageBridgeChildThread()) {
+ SynchronousTask task("AsyncPluginSurfaceManager readback sync");
+ RefPtr<gfx::SourceSurface> result;
+ ImageBridgeChild::GetSingleton()->GetThread()->Dispatch(
+ NewRunnableFunction("AsyncPluginSurfaceManager readback",
+ &DoSyncReadback, &pluginSD, &result, &task));
+ task.Wait();
+ return result.forget();
+ }
+
+ return DoReadback(pluginSD);
+ }
+
+ void DeallocateSurfaceDescriptor(
+ const SurfaceDescriptorGPUVideo& aSD) override {
+ SurfaceDescriptorPlugin pluginSD = aSD;
+ if (!InImageBridgeChildThread()) {
+ ImageBridgeChild::GetSingleton()->GetThread()->Dispatch(
+ NewRunnableFunction("AsyncPluginSurfaceManager dealloc", &DoDealloc,
+ &pluginSD));
+ return;
+ }
+
+ return DoDealloc(&pluginSD);
+ }
+
+ // Set of display surfaces for which the related plugin surface has been
+ // freed. They are freed when the AsyncPluginSurfaceManager is told it is
+ // safe.
+ static HashSet<WindowsHandle> sOrphanedDisplaySurfaces;
+
+ private:
+ ~AsyncPluginSurfaceManager() {}
+
+ struct SurfaceDescriptorUserData {
+ explicit SurfaceDescriptorUserData(layers::SurfaceDescriptor& aSD)
+ : mSD(aSD) {}
+
+ ~SurfaceDescriptorUserData() {
+ auto ibc = ImageBridgeChild::GetSingleton();
+ if (!ibc) {
+ return;
+ }
+ DestroySurfaceDescriptor(ibc, &mSD);
+ }
+
+ layers::SurfaceDescriptor mSD;
+ };
+
+ static void DeleteSurfaceDescriptorUserData(void* aClosure) {
+ SurfaceDescriptorUserData* sd =
+ reinterpret_cast<SurfaceDescriptorUserData*>(aClosure);
+ delete sd;
+ }
+
+ static already_AddRefed<gfx::SourceSurface> DoReadback(
+ const SurfaceDescriptorPlugin& aSD) {
+ MOZ_ASSERT(InImageBridgeChildThread());
+
+ RefPtr<DataSourceSurface> source;
+ auto ibc = ImageBridgeChild::GetSingleton();
+ if (!ibc) {
+ return nullptr;
+ }
+
+ layers::SurfaceDescriptor dataSD = null_t();
+ ibc->SendReadbackAsyncPluginSurface(aSD, &dataSD);
+ if (!IsSurfaceDescriptorValid(dataSD)) {
+ NS_WARNING("Bad SurfaceDescriptor received in Readback");
+ return nullptr;
+ }
+
+ source = GetSurfaceForDescriptor(dataSD);
+ if (!source) {
+ DestroySurfaceDescriptor(ibc, &dataSD);
+ NS_WARNING("Failed to map SurfaceDescriptor in Readback");
+ return nullptr;
+ }
+
+ static UserDataKey sSurfaceDescriptor;
+ source->AddUserData(&sSurfaceDescriptor,
+ new SurfaceDescriptorUserData(dataSD),
+ DeleteSurfaceDescriptorUserData);
+
+ return source.forget();
+ }
+
+ static void DoSyncReadback(const SurfaceDescriptorPlugin* aSD,
+ RefPtr<gfx::SourceSurface>* aResult,
+ SynchronousTask* aTask) {
+ AutoCompleteTask act(aTask);
+ *aResult = DoReadback(*aSD);
+ }
+
+ static void DoDealloc(const SurfaceDescriptorPlugin* aSD) {
+ MOZ_ASSERT(InImageBridgeChildThread());
+
+ // If the plugin already Finalized and freed its surface then, since the
+ // compositor is now also done with the display surface, we can free
+ // it too.
+ WindowsHandle handle = aSD->displaySurf().handle();
+ auto surfIt = sOrphanedDisplaySurfaces.lookup(handle);
+ if (!surfIt) {
+ // We wil continue to use the surfaces with future GPUVideoImages.
+ return;
+ }
+
+ sOrphanedDisplaySurfaces.remove(surfIt);
+ auto ibc = ImageBridgeChild::GetSingleton();
+ if (!ibc) {
+ return;
+ }
+ ibc->SendRemoveAsyncPluginSurface(*aSD, true);
+ }
+};
+
+/* static */ HashSet<WindowsHandle>
+ AsyncPluginSurfaceManager::sOrphanedDisplaySurfaces;
+
+void InitDXGISurface(const gfx::SurfaceFormat& aFormat,
+ const gfx::IntSize& aSize,
+ SurfaceDescriptorPlugin* aSDPlugin,
+ SynchronousTask* aTask) {
+ MOZ_ASSERT(InImageBridgeChildThread());
+
+ AutoCompleteTask act(aTask);
+ auto ibc = ImageBridgeChild::GetSingleton();
+ if (!ibc) {
+ return;
+ }
+
+ layers::SurfaceDescriptorPlugin sd;
+ if (!ibc->SendMakeAsyncPluginSurfaces(aFormat, aSize, &sd)) {
+ return;
+ }
+ *aSDPlugin = sd;
+}
+
+void FinalizeDXGISurface(const SurfaceDescriptorPlugin& aSD) {
+ MOZ_ASSERT(InImageBridgeChildThread());
+
+ Unused << AsyncPluginSurfaceManager::sOrphanedDisplaySurfaces.put(
+ aSD.displaySurf().handle());
+
+ auto ibc = ImageBridgeChild::GetSingleton();
+ if (!ibc) {
+ return;
+ }
+ ibc->SendRemoveAsyncPluginSurface(aSD, false);
+}
+
+void CopyDXGISurface(const SurfaceDescriptorPlugin& aSD,
+ SynchronousTask* aTask) {
+ MOZ_ASSERT(InImageBridgeChildThread());
+
+ AutoCompleteTask act(aTask);
+ auto ibc = ImageBridgeChild::GetSingleton();
+ if (!ibc) {
+ return;
+ }
+ ibc->SendUpdateAsyncPluginSurface(aSD);
+}
+
+#endif // defined(XP_WIN)
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvInitDXGISurface(
+ const gfx::SurfaceFormat& format, const gfx::IntSize& size,
+ WindowsHandle* outHandle, NPError* outError) {
+ *outHandle = 0;
+ *outError = NPERR_GENERIC_ERROR;
+
+#if defined(XP_WIN)
+ MOZ_ASSERT(NS_IsMainThread());
+ if (format != SurfaceFormat::B8G8R8A8 && format != SurfaceFormat::B8G8R8X8) {
+ *outError = NPERR_INVALID_PARAM;
+ return IPC_OK();
+ }
+ if (size.width <= 0 || size.height <= 0) {
+ *outError = NPERR_INVALID_PARAM;
+ return IPC_OK();
+ }
+
+ if (!ImageBridgeChild::GetSingleton()) {
+ return IPC_OK();
+ }
+
+ // Ask the ImageBridge thread to generate two SurfaceDescriptorPlugins --
+ // one for the GPU process to display and one for the Plugin process to
+ // render to.
+ SurfaceDescriptorPlugin sd;
+ SynchronousTask task("SendMakeAsyncPluginSurfaces sync");
+ ImageBridgeChild::GetSingleton()->GetThread()->Dispatch(
+ NewRunnableFunction("SendingMakeAsyncPluginSurfaces", &InitDXGISurface,
+ format, size, &sd, &task));
+ task.Wait();
+
+ if (!sd.id()) {
+ NS_WARNING("SendMakeAsyncPluginSurfaces failed");
+ return IPC_OK();
+ }
+
+ WindowsHandle pluginSurfHandle = sd.pluginSurf().handle();
+ bool ok = mAsyncSurfaceMap.put(pluginSurfHandle, AsyncSurfaceInfo{sd, size});
+ if (!ok) {
+ return IPC_OK();
+ }
+
+ *outHandle = pluginSurfHandle;
+ *outError = NPERR_NO_ERROR;
+#endif
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvFinalizeDXGISurface(
+ const WindowsHandle& pluginSurfHandle) {
+#if defined(XP_WIN)
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!ImageBridgeChild::GetSingleton()) {
+ return IPC_OK();
+ }
+
+ auto asiIt = mAsyncSurfaceMap.lookup(pluginSurfHandle);
+ if (!asiIt) {
+ NS_WARNING("Plugin surface did not exist to finalize");
+ return IPC_OK();
+ }
+
+ AsyncSurfaceInfo& asi = asiIt->value();
+
+ // Release the plugin surface but keep the display surface since it may
+ // still be displayed. Also let the display surface know that it should
+ // not receive further requests to copy from the plugin surface.
+ ImageBridgeChild::GetSingleton()->GetThread()->Dispatch(NewRunnableFunction(
+ "SendingRemoveAsyncPluginSurface", &FinalizeDXGISurface, asi.mSD));
+
+ mAsyncSurfaceMap.remove(asiIt);
+#endif
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvShowDirectBitmap(
+ Shmem&& buffer, const SurfaceFormat& format, const uint32_t& stride,
+ const IntSize& size, const IntRect& dirty) {
+ // Validate format.
+ if (format != SurfaceFormat::B8G8R8A8 && format != SurfaceFormat::B8G8R8X8) {
+ MOZ_ASSERT_UNREACHABLE("bad format type");
+ return IPC_FAIL_NO_REASON(this);
+ }
+ if (size.width <= 0 || size.height <= 0) {
+ MOZ_ASSERT_UNREACHABLE("bad image size");
+ return IPC_FAIL_NO_REASON(this);
+ }
+ if (mDrawingModel != NPDrawingModelAsyncBitmapSurface) {
+ MOZ_ASSERT_UNREACHABLE("plugin did not set a bitmap drawing model");
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ // Validate buffer and size.
+ CheckedInt<uint32_t> nbytes =
+ CheckedInt<uint32_t>(uint32_t(size.height)) * stride;
+ if (!nbytes.isValid() || nbytes.value() != buffer.Size<uint8_t>()) {
+ MOZ_ASSERT_UNREACHABLE("bad shmem size");
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ ImageContainer* container = GetImageContainer();
+ if (!container) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ RefPtr<gfx::DataSourceSurface> source =
+ gfx::Factory::CreateWrappingDataSourceSurface(buffer.get<uint8_t>(),
+ stride, size, format);
+ if (!source) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ // Allocate a texture for the compositor.
+ RefPtr<TextureClientRecycleAllocator> allocator =
+ mParent->EnsureTextureAllocatorForDirectBitmap();
+ RefPtr<TextureClient> texture = allocator->CreateOrRecycle(
+ format, size, BackendSelector::Content, TextureFlags::NO_FLAGS,
+ TextureAllocationFlags(ALLOC_FOR_OUT_OF_BAND_CONTENT |
+ ALLOC_UPDATE_FROM_SURFACE));
+ if (!texture) {
+ NS_WARNING("Could not allocate a TextureClient for plugin!");
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ // Upload the plugin buffer.
+ {
+ TextureClientAutoLock autoLock(texture, OpenMode::OPEN_WRITE_ONLY);
+ if (!autoLock.Succeeded()) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+ texture->UpdateFromSurface(source);
+ }
+
+ // Wrap the texture in an image and ship it off.
+ RefPtr<TextureWrapperImage> image =
+ new TextureWrapperImage(texture, gfx::IntRect(gfx::IntPoint(0, 0), size));
+ SetCurrentImage(image);
+
+ PLUGIN_LOG_DEBUG(
+ (" (RecvShowDirectBitmap received shmem=%p stride=%d size=%s dirty=%s)",
+ buffer.get<unsigned char>(), stride, ToString(size).c_str(),
+ ToString(dirty).c_str()));
+ return IPC_OK();
+}
+
+void PluginInstanceParent::SetCurrentImage(Image* aImage) {
+ MOZ_ASSERT(IsUsingDirectDrawing());
+ ImageContainer::NonOwningImage holder(aImage);
+ holder.mFrameID = ++mFrameID;
+
+ AutoTArray<ImageContainer::NonOwningImage, 1> imageList;
+ imageList.AppendElement(holder);
+ mImageContainer->SetCurrentImages(imageList);
+
+ // Invalidate our area in the page so the image gets flushed.
+ gfx::IntRect rect = aImage->GetPictureRect();
+ NPRect nprect = {uint16_t(rect.x), uint16_t(rect.y), uint16_t(rect.width),
+ uint16_t(rect.height)};
+ RecvNPN_InvalidateRect(nprect);
+
+ RecordDrawingModel();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvShowDirectDXGISurface(
+ const WindowsHandle& pluginSurfHandle, const gfx::IntRect& dirty) {
+#if defined(XP_WIN)
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!ImageBridgeChild::GetSingleton()) {
+ return IPC_OK();
+ }
+
+ auto asiIt = mAsyncSurfaceMap.lookup(pluginSurfHandle);
+ if (!asiIt) {
+ NS_WARNING("Plugin surface did not exist to finalize");
+ return IPC_OK();
+ }
+
+ AsyncSurfaceInfo& asi = asiIt->value();
+
+ // Tell the ImageBridge to copy from the plugin surface to the display surface
+ SynchronousTask task("SendUpdateAsyncPluginSurface sync");
+ ImageBridgeChild::GetSingleton()->GetThread()->Dispatch(NewRunnableFunction(
+ "SendingUpdateAsyncPluginSurface", &CopyDXGISurface, asi.mSD, &task));
+ task.Wait();
+
+ // Make sure we have an ImageContainer for SetCurrentImage.
+ ImageContainer* container = GetImageContainer();
+ if (!container) {
+ return IPC_OK();
+ }
+
+ SetCurrentImage(
+ new GPUVideoImage(new AsyncPluginSurfaceManager(), asi.mSD, asi.mSize));
+
+ PLUGIN_LOG_DEBUG((" (RecvShowDirectDXGISurface received handle=%p rect=%s)",
+ reinterpret_cast<void*>(pluginSurfHandle),
+ ToString(dirty).c_str()));
+#endif
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvShow(
+ const NPRect& updatedRect, const SurfaceDescriptor& newSurface,
+ SurfaceDescriptor* prevSurface) {
+ PLUGIN_LOG_DEBUG(("[InstanceParent][%p] RecvShow for <x=%d,y=%d, w=%d,h=%d>",
+ this, updatedRect.left, updatedRect.top,
+ updatedRect.right - updatedRect.left,
+ updatedRect.bottom - updatedRect.top));
+
+ MOZ_ASSERT(!IsUsingDirectDrawing());
+
+ // XXXjwatt rewrite to use Moz2D
+ RefPtr<gfxASurface> surface;
+ if (newSurface.type() == SurfaceDescriptor::TShmem) {
+ if (!newSurface.get_Shmem().IsReadable()) {
+ NS_WARNING("back surface not readable");
+ return IPC_FAIL_NO_REASON(this);
+ }
+ surface = gfxSharedImageSurface::Open(newSurface.get_Shmem());
+ }
+#ifdef XP_MACOSX
+ else if (newSurface.type() == SurfaceDescriptor::TIOSurfaceDescriptor) {
+ IOSurfaceDescriptor iodesc = newSurface.get_IOSurfaceDescriptor();
+
+ RefPtr<MacIOSurface> newIOSurface = MacIOSurface::LookupSurface(
+ iodesc.surfaceId(), iodesc.contentsScaleFactor());
+
+ if (!newIOSurface) {
+ NS_WARNING("Got bad IOSurfaceDescriptor in RecvShow");
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ if (mFrontIOSurface)
+ *prevSurface =
+ IOSurfaceDescriptor(mFrontIOSurface->GetIOSurfaceID(),
+ mFrontIOSurface->GetContentsScaleFactor());
+ else
+ *prevSurface = null_t();
+
+ mFrontIOSurface = newIOSurface;
+
+ RecvNPN_InvalidateRect(updatedRect);
+
+ PLUGIN_LOG_DEBUG(
+ (" (RecvShow invalidated for surface %p)", mFrontSurface.get()));
+
+ return IPC_OK();
+ }
+#endif
+#ifdef MOZ_X11
+ else if (newSurface.type() == SurfaceDescriptor::TSurfaceDescriptorX11) {
+ surface = newSurface.get_SurfaceDescriptorX11().OpenForeign();
+ }
+#endif
+#ifdef XP_WIN
+ else if (newSurface.type() == SurfaceDescriptor::TPPluginSurfaceParent) {
+ PluginSurfaceParent* s = static_cast<PluginSurfaceParent*>(
+ newSurface.get_PPluginSurfaceParent());
+ surface = s->Surface();
+ }
+#endif
+
+ if (mFrontSurface) {
+ // This is the "old front buffer" we're about to hand back to
+ // the plugin. We might still have drawing operations
+ // referencing it.
+#ifdef MOZ_X11
+ if (mFrontSurface->GetType() == gfxSurfaceType::Xlib) {
+ // Finish with the surface and XSync here to ensure the server has
+ // finished operations on the surface before the plugin starts
+ // scribbling on it again, or worse, destroys it.
+ mFrontSurface->Finish();
+ FinishX(DefaultXDisplay());
+ } else
+#endif
+ {
+ mFrontSurface->Flush();
+ }
+ }
+
+ if (mFrontSurface && gfxSharedImageSurface::IsSharedImage(mFrontSurface))
+ *prevSurface = std::move(
+ static_cast<gfxSharedImageSurface*>(mFrontSurface.get())->GetShmem());
+ else
+ *prevSurface = null_t();
+
+ if (surface) {
+ // Notify the cairo backend that this surface has changed behind
+ // its back.
+ gfxRect ur(updatedRect.left, updatedRect.top,
+ updatedRect.right - updatedRect.left,
+ updatedRect.bottom - updatedRect.top);
+ surface->MarkDirty(ur);
+
+ bool isPlugin = true;
+ RefPtr<gfx::SourceSurface> sourceSurface =
+ gfxPlatform::GetSourceSurfaceForSurface(nullptr, surface, isPlugin);
+ RefPtr<SourceSurfaceImage> image =
+ new SourceSurfaceImage(surface->GetSize(), sourceSurface);
+
+ AutoTArray<ImageContainer::NonOwningImage, 1> imageList;
+ imageList.AppendElement(ImageContainer::NonOwningImage(image));
+
+ ImageContainer* container = GetImageContainer();
+ container->SetCurrentImages(imageList);
+ } else if (mImageContainer) {
+ mImageContainer->ClearAllImages();
+ }
+
+ mFrontSurface = surface;
+ RecvNPN_InvalidateRect(updatedRect);
+
+ PLUGIN_LOG_DEBUG(
+ (" (RecvShow invalidated for surface %p)", mFrontSurface.get()));
+
+ RecordDrawingModel();
+ return IPC_OK();
+}
+
+nsresult PluginInstanceParent::AsyncSetWindow(NPWindow* aWindow) {
+ NPRemoteWindow window;
+ mWindowType = aWindow->type;
+ window.window = reinterpret_cast<uint64_t>(aWindow->window);
+ window.x = aWindow->x;
+ window.y = aWindow->y;
+ window.width = aWindow->width;
+ window.height = aWindow->height;
+ window.clipRect = aWindow->clipRect;
+ window.type = aWindow->type;
+#if defined(XP_MACOSX) || defined(XP_WIN)
+ double scaleFactor = 1.0;
+ mNPNIface->getvalue(mNPP, NPNVcontentsScaleFactor, &scaleFactor);
+ window.contentsScaleFactor = scaleFactor;
+#endif
+
+#if defined(OS_WIN)
+ MaybeCreateChildPopupSurrogate();
+#endif
+
+#if defined(OS_WIN)
+ // Windows async surfaces must be Win32. In particular, it is incompatible
+ // with in-memory surface types.
+ gfxSurfaceType surfType = gfxSurfaceType::Win32;
+#else
+ gfxSurfaceType surfType =
+ gfxPlatform::GetPlatform()->ScreenReferenceSurface()->GetType();
+#endif
+
+ if (surfType == (gfxSurfaceType)-1) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (!SendAsyncSetWindow(surfType, window)) return NS_ERROR_FAILURE;
+
+ return NS_OK;
+}
+
+nsresult PluginInstanceParent::GetImageContainer(ImageContainer** aContainer) {
+ if (IsUsingDirectDrawing()) {
+ // Use the image container created by the most recent direct surface
+ // call, if any. We don't create one if no surfaces were presented
+ // yet.
+ ImageContainer* container = mImageContainer;
+ NS_IF_ADDREF(container);
+ *aContainer = container;
+ return NS_OK;
+ }
+
+#ifdef XP_MACOSX
+ MacIOSurface* ioSurface = nullptr;
+
+ if (mFrontIOSurface) {
+ ioSurface = mFrontIOSurface;
+ } else if (mIOSurface) {
+ ioSurface = mIOSurface;
+ }
+
+ if (!mFrontSurface && !ioSurface)
+#else
+ if (!mFrontSurface)
+#endif
+ return NS_ERROR_NOT_AVAILABLE;
+
+ ImageContainer* container = GetImageContainer();
+
+ if (!container) {
+ return NS_ERROR_FAILURE;
+ }
+
+#ifdef XP_MACOSX
+ if (ioSurface) {
+ RefPtr<Image> image = new MacIOSurfaceImage(ioSurface);
+ container->SetCurrentImageInTransaction(image);
+
+ NS_IF_ADDREF(container);
+ *aContainer = container;
+ return NS_OK;
+ }
+#endif
+
+ NS_IF_ADDREF(container);
+ *aContainer = container;
+ return NS_OK;
+}
+
+nsresult PluginInstanceParent::GetImageSize(nsIntSize* aSize) {
+ if (IsUsingDirectDrawing()) {
+ if (!mImageContainer) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ *aSize = mImageContainer->GetCurrentSize();
+ return NS_OK;
+ }
+
+ if (mFrontSurface) {
+ mozilla::gfx::IntSize size = mFrontSurface->GetSize();
+ *aSize = nsIntSize(size.width, size.height);
+ return NS_OK;
+ }
+
+#ifdef XP_MACOSX
+ if (mFrontIOSurface) {
+ *aSize =
+ nsIntSize(mFrontIOSurface->GetWidth(), mFrontIOSurface->GetHeight());
+ return NS_OK;
+ } else if (mIOSurface) {
+ *aSize = nsIntSize(mIOSurface->GetWidth(), mIOSurface->GetHeight());
+ return NS_OK;
+ }
+#endif
+
+ return NS_ERROR_NOT_AVAILABLE;
+}
+
+void PluginInstanceParent::DidComposite() {
+ if (!IsUsingDirectDrawing()) {
+ return;
+ }
+ Unused << SendNPP_DidComposite();
+}
+
+#ifdef XP_MACOSX
+nsresult PluginInstanceParent::IsRemoteDrawingCoreAnimation(bool* aDrawing) {
+ *aDrawing = (NPDrawingModelCoreAnimation == (NPDrawingModel)mDrawingModel ||
+ NPDrawingModelInvalidatingCoreAnimation ==
+ (NPDrawingModel)mDrawingModel);
+ return NS_OK;
+}
+#endif
+#if defined(XP_MACOSX) || defined(XP_WIN)
+nsresult PluginInstanceParent::ContentsScaleFactorChanged(
+ double aContentsScaleFactor) {
+ bool rv = SendContentsScaleFactorChanged(aContentsScaleFactor);
+ return rv ? NS_OK : NS_ERROR_FAILURE;
+}
+#endif // #ifdef XP_MACOSX
+
+nsresult PluginInstanceParent::SetBackgroundUnknown() {
+ PLUGIN_LOG_DEBUG(("[InstanceParent][%p] SetBackgroundUnknown", this));
+
+ if (mBackground) {
+ DestroyBackground();
+ MOZ_ASSERT(!mBackground, "Background not destroyed");
+ }
+
+ return NS_OK;
+}
+
+nsresult PluginInstanceParent::BeginUpdateBackground(const nsIntRect& aRect,
+ DrawTarget** aDrawTarget) {
+ PLUGIN_LOG_DEBUG(
+ ("[InstanceParent][%p] BeginUpdateBackground for <x=%d,y=%d, w=%d,h=%d>",
+ this, aRect.x, aRect.y, aRect.width, aRect.height));
+
+ if (!mBackground) {
+ // XXX if we failed to create a background surface on one
+ // update, there's no guarantee that later updates will be for
+ // the entire background area until successful. We might want
+ // to fix that eventually.
+ MOZ_ASSERT(aRect.TopLeft() == nsIntPoint(0, 0),
+ "Expecting rect for whole frame");
+ if (!CreateBackground(aRect.Size())) {
+ *aDrawTarget = nullptr;
+ return NS_OK;
+ }
+ }
+
+ mozilla::gfx::IntSize sz = mBackground->GetSize();
+#ifdef DEBUG
+ MOZ_ASSERT(nsIntRect(0, 0, sz.width, sz.height).Contains(aRect),
+ "Update outside of background area");
+#endif
+
+ RefPtr<gfx::DrawTarget> dt = gfxPlatform::CreateDrawTargetForSurface(
+ mBackground, gfx::IntSize(sz.width, sz.height));
+ dt.forget(aDrawTarget);
+
+ return NS_OK;
+}
+
+nsresult PluginInstanceParent::EndUpdateBackground(const nsIntRect& aRect) {
+ PLUGIN_LOG_DEBUG(
+ ("[InstanceParent][%p] EndUpdateBackground for <x=%d,y=%d, w=%d,h=%d>",
+ this, aRect.x, aRect.y, aRect.width, aRect.height));
+
+#ifdef MOZ_X11
+ // Have to XSync here to avoid the plugin trying to draw with this
+ // surface racing with its creation in the X server. We also want
+ // to avoid the plugin drawing onto stale pixels, then handing us
+ // back a front surface from those pixels that we might
+ // recomposite for "a while" until the next update. This XSync
+ // still doesn't guarantee that the plugin draws onto a consistent
+ // view of its background, but it does mean that the plugin is
+ // drawing onto pixels no older than those in the latest
+ // EndUpdateBackground().
+ XSync(DefaultXDisplay(), X11False);
+#endif
+
+ Unused << SendUpdateBackground(BackgroundDescriptor(), aRect);
+
+ return NS_OK;
+}
+
+#if defined(XP_WIN)
+nsresult PluginInstanceParent::SetScrollCaptureId(uint64_t aScrollCaptureId) {
+ if (aScrollCaptureId == ImageContainer::sInvalidAsyncContainerId) {
+ return NS_ERROR_FAILURE;
+ }
+
+ mImageContainer = new ImageContainer(CompositableHandle(aScrollCaptureId));
+ return NS_OK;
+}
+
+nsresult PluginInstanceParent::GetScrollCaptureContainer(
+ ImageContainer** aContainer) {
+ if (!aContainer || !mImageContainer) {
+ return NS_ERROR_FAILURE;
+ }
+
+ RefPtr<ImageContainer> container = GetImageContainer();
+ container.forget(aContainer);
+
+ return NS_OK;
+}
+#endif // XP_WIN
+
+bool PluginInstanceParent::CreateBackground(const nsIntSize& aSize) {
+ MOZ_ASSERT(!mBackground, "Already have a background");
+
+ // XXX refactor me
+
+#if defined(MOZ_X11)
+ Screen* screen = DefaultScreenOfDisplay(DefaultXDisplay());
+ Visual* visual = DefaultVisualOfScreen(screen);
+ mBackground = gfxXlibSurface::Create(
+ screen, visual, mozilla::gfx::IntSize(aSize.width, aSize.height));
+ return !!mBackground;
+
+#elif defined(XP_WIN)
+ // We have chosen to create an unsafe surface in which the plugin
+ // can read from the region while we're writing to it.
+ mBackground = gfxSharedImageSurface::CreateUnsafe(
+ this, mozilla::gfx::IntSize(aSize.width, aSize.height),
+ mozilla::gfx::SurfaceFormat::X8R8G8B8_UINT32);
+ return !!mBackground;
+#else
+ return false;
+#endif
+}
+
+void PluginInstanceParent::DestroyBackground() {
+ if (!mBackground) {
+ return;
+ }
+
+ // Relinquish ownership of |mBackground| to its destroyer
+ PPluginBackgroundDestroyerParent* pbd =
+ new PluginBackgroundDestroyerParent(mBackground);
+ mBackground = nullptr;
+
+ // If this fails, there's no problem: |bd| will be destroyed along
+ // with the old background surface.
+ Unused << SendPPluginBackgroundDestroyerConstructor(pbd);
+}
+
+mozilla::plugins::SurfaceDescriptor
+PluginInstanceParent::BackgroundDescriptor() {
+ MOZ_ASSERT(mBackground, "Need a background here");
+
+ // XXX refactor me
+
+#ifdef MOZ_X11
+ gfxXlibSurface* xsurf = static_cast<gfxXlibSurface*>(mBackground.get());
+ return SurfaceDescriptorX11(xsurf);
+#endif
+
+#ifdef XP_WIN
+ MOZ_ASSERT(gfxSharedImageSurface::IsSharedImage(mBackground),
+ "Expected shared image surface");
+ gfxSharedImageSurface* shmem =
+ static_cast<gfxSharedImageSurface*>(mBackground.get());
+ return mozilla::plugins::SurfaceDescriptor(std::move(shmem->GetShmem()));
+#endif
+
+ // If this is ever used, which it shouldn't be, it will trigger a
+ // hard assertion in IPDL-generated code.
+ return mozilla::plugins::SurfaceDescriptor();
+}
+
+ImageContainer* PluginInstanceParent::GetImageContainer() {
+ if (mImageContainer) {
+ return mImageContainer;
+ }
+
+ if (IsUsingDirectDrawing()) {
+ mImageContainer =
+ LayerManager::CreateImageContainer(ImageContainer::ASYNCHRONOUS);
+ } else {
+ mImageContainer = LayerManager::CreateImageContainer();
+ }
+ return mImageContainer;
+}
+
+PPluginBackgroundDestroyerParent*
+PluginInstanceParent::AllocPPluginBackgroundDestroyerParent() {
+ MOZ_CRASH("'Power-user' ctor is used exclusively");
+ return nullptr;
+}
+
+bool PluginInstanceParent::DeallocPPluginBackgroundDestroyerParent(
+ PPluginBackgroundDestroyerParent* aActor) {
+ delete aActor;
+ return true;
+}
+
+NPError PluginInstanceParent::NPP_SetWindow(const NPWindow* aWindow) {
+ PLUGIN_LOG_DEBUG(("%s (aWindow=%p)", FULLFUNCTION, (void*)aWindow));
+
+ NS_ENSURE_TRUE(aWindow, NPERR_GENERIC_ERROR);
+
+ NPRemoteWindow window;
+ mWindowType = aWindow->type;
+
+#if defined(OS_WIN)
+ // On windowless controls, reset the shared memory surface as needed.
+ if (mWindowType == NPWindowTypeDrawable) {
+ MaybeCreateChildPopupSurrogate();
+ } else {
+ SubclassPluginWindow(reinterpret_cast<HWND>(aWindow->window));
+
+ window.window = reinterpret_cast<uint64_t>(aWindow->window);
+ window.x = aWindow->x;
+ window.y = aWindow->y;
+ window.width = aWindow->width;
+ window.height = aWindow->height;
+ window.type = aWindow->type;
+
+ // On Windows we need to create and set the parent before we set the
+ // window on the plugin, or keyboard interaction will not work.
+ if (!MaybeCreateAndParentChildPluginWindow()) {
+ return NPERR_GENERIC_ERROR;
+ }
+ }
+#else
+ window.window = reinterpret_cast<uint64_t>(aWindow->window);
+ window.x = aWindow->x;
+ window.y = aWindow->y;
+ window.width = aWindow->width;
+ window.height = aWindow->height;
+ window.clipRect = aWindow->clipRect; // MacOS specific
+ window.type = aWindow->type;
+#endif
+
+#if defined(XP_MACOSX) || defined(XP_WIN)
+ double floatScaleFactor = 1.0;
+ mNPNIface->getvalue(mNPP, NPNVcontentsScaleFactor, &floatScaleFactor);
+ window.contentsScaleFactor = floatScaleFactor;
+#endif
+#if defined(XP_MACOSX)
+ int scaleFactor = ceil(floatScaleFactor);
+ if (mShWidth != window.width * scaleFactor ||
+ mShHeight != window.height * scaleFactor) {
+ if (mDrawingModel == NPDrawingModelCoreAnimation ||
+ mDrawingModel == NPDrawingModelInvalidatingCoreAnimation) {
+ mIOSurface = MacIOSurface::CreateIOSurface(window.width, window.height,
+ floatScaleFactor);
+ } else if (uint32_t(mShWidth * mShHeight) !=
+ window.width * scaleFactor * window.height * scaleFactor) {
+ if (mShWidth != 0 && mShHeight != 0) {
+ DeallocShmem(mShSurface);
+ mShWidth = 0;
+ mShHeight = 0;
+ }
+
+ if (window.width != 0 && window.height != 0) {
+ if (!AllocShmem(
+ window.width * scaleFactor * window.height * 4 * scaleFactor,
+ SharedMemory::TYPE_BASIC, &mShSurface)) {
+ PLUGIN_LOG_DEBUG(("Shared memory could not be allocated."));
+ return NPERR_GENERIC_ERROR;
+ }
+ }
+ }
+ mShWidth = window.width * scaleFactor;
+ mShHeight = window.height * scaleFactor;
+ }
+#endif
+
+#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
+ const NPSetWindowCallbackStruct* ws_info =
+ static_cast<NPSetWindowCallbackStruct*>(aWindow->ws_info);
+ window.visualID = ws_info->visual ? ws_info->visual->visualid : 0;
+ window.colormap = ws_info->colormap;
+#endif
+
+ if (!CallNPP_SetWindow(window)) {
+ return NPERR_GENERIC_ERROR;
+ }
+
+ RecordDrawingModel();
+ return NPERR_NO_ERROR;
+}
+
+NPError PluginInstanceParent::NPP_GetValue(NPPVariable aVariable,
+ void* _retval) {
+ switch (aVariable) {
+ case NPPVpluginWantsAllNetworkStreams: {
+ bool wantsAllStreams;
+ NPError rv;
+
+ if (!CallNPP_GetValue_NPPVpluginWantsAllNetworkStreams(&wantsAllStreams,
+ &rv)) {
+ return NPERR_GENERIC_ERROR;
+ }
+
+ if (NPERR_NO_ERROR != rv) {
+ return rv;
+ }
+
+ (*(NPBool*)_retval) = wantsAllStreams;
+ return NPERR_NO_ERROR;
+ }
+
+ case NPPVpluginScriptableNPObject: {
+ PPluginScriptableObjectParent* actor;
+ NPError rv;
+ if (!CallNPP_GetValue_NPPVpluginScriptableNPObject(&actor, &rv)) {
+ return NPERR_GENERIC_ERROR;
+ }
+
+ if (NPERR_NO_ERROR != rv) {
+ return rv;
+ }
+
+ if (!actor) {
+ NS_ERROR("NPPVpluginScriptableNPObject succeeded but null.");
+ return NPERR_GENERIC_ERROR;
+ }
+
+ const NPNetscapeFuncs* npn = mParent->GetNetscapeFuncs();
+ if (!npn) {
+ NS_WARNING("No netscape functions?!");
+ return NPERR_GENERIC_ERROR;
+ }
+
+ NPObject* object =
+ static_cast<PluginScriptableObjectParent*>(actor)->GetObject(true);
+ NS_ASSERTION(object, "This shouldn't ever be null!");
+
+ (*(NPObject**)_retval) = npn->retainobject(object);
+ return NPERR_NO_ERROR;
+ }
+
+#ifdef MOZ_ACCESSIBILITY_ATK
+ case NPPVpluginNativeAccessibleAtkPlugId: {
+ nsCString plugId;
+ NPError rv;
+ if (!CallNPP_GetValue_NPPVpluginNativeAccessibleAtkPlugId(&plugId, &rv)) {
+ return NPERR_GENERIC_ERROR;
+ }
+
+ if (NPERR_NO_ERROR != rv) {
+ return rv;
+ }
+
+ (*(nsCString*)_retval) = plugId;
+ return NPERR_NO_ERROR;
+ }
+#endif
+
+ default:
+ MOZ_LOG(GetPluginLog(), LogLevel::Warning,
+ ("In PluginInstanceParent::NPP_GetValue: Unhandled NPPVariable "
+ "%i (%s)",
+ (int)aVariable, NPPVariableToString(aVariable)));
+ return NPERR_GENERIC_ERROR;
+ }
+}
+
+NPError PluginInstanceParent::NPP_SetValue(NPNVariable variable, void* value) {
+ NPError result;
+ switch (variable) {
+ case NPNVprivateModeBool:
+ if (!CallNPP_SetValue_NPNVprivateModeBool(*static_cast<NPBool*>(value),
+ &result))
+ return NPERR_GENERIC_ERROR;
+
+ return result;
+
+ case NPNVmuteAudioBool:
+ if (!CallNPP_SetValue_NPNVmuteAudioBool(*static_cast<NPBool*>(value),
+ &result))
+ return NPERR_GENERIC_ERROR;
+
+ return result;
+
+ case NPNVCSSZoomFactor:
+ if (!CallNPP_SetValue_NPNVCSSZoomFactor(*static_cast<double*>(value),
+ &result))
+ return NPERR_GENERIC_ERROR;
+
+ return result;
+
+ default:
+ NS_ERROR("Unhandled NPNVariable in NPP_SetValue");
+ MOZ_LOG(GetPluginLog(), LogLevel::Warning,
+ ("In PluginInstanceParent::NPP_SetValue: Unhandled NPNVariable "
+ "%i (%s)",
+ (int)variable, NPNVariableToString(variable)));
+ return NPERR_GENERIC_ERROR;
+ }
+}
+
+void PluginInstanceParent::NPP_URLRedirectNotify(const char* url,
+ int32_t status,
+ void* notifyData) {
+ if (!notifyData) return;
+
+ PStreamNotifyParent* streamNotify =
+ static_cast<PStreamNotifyParent*>(notifyData);
+ Unused << streamNotify->SendRedirectNotify(NullableString(url), status);
+}
+
+int16_t PluginInstanceParent::NPP_HandleEvent(void* event) {
+ PLUGIN_LOG_DEBUG_FUNCTION;
+
+#if defined(XP_MACOSX)
+ NPCocoaEvent* npevent = reinterpret_cast<NPCocoaEvent*>(event);
+#else
+ NPEvent* npevent = reinterpret_cast<NPEvent*>(event);
+#endif
+ NPRemoteEvent npremoteevent;
+ npremoteevent.event = *npevent;
+#if defined(XP_MACOSX) || defined(XP_WIN)
+ double scaleFactor = 1.0;
+ mNPNIface->getvalue(mNPP, NPNVcontentsScaleFactor, &scaleFactor);
+ npremoteevent.contentsScaleFactor = scaleFactor;
+#endif
+ int16_t handled = 0;
+
+#if defined(OS_WIN)
+ if (mWindowType == NPWindowTypeDrawable) {
+ switch (npevent->event) {
+ case WM_KILLFOCUS: {
+ // When the user selects fullscreen mode in Flash video players,
+ // WM_KILLFOCUS will be delayed by deferred event processing:
+ // WM_LBUTTONUP results in a call to CreateWindow within Flash,
+ // which fires WM_KILLFOCUS. Delayed delivery causes Flash to
+ // misinterpret the event, dropping back out of fullscreen. Trap
+ // this event and drop it.
+ // mPluginHWND is always NULL for non-windowed plugins.
+ if (mPluginHWND) {
+ wchar_t szClass[26];
+ HWND hwnd = GetForegroundWindow();
+ if (hwnd && hwnd != mPluginHWND &&
+ GetClassNameW(hwnd, szClass,
+ sizeof(szClass) / sizeof(char16_t)) &&
+ !wcscmp(szClass, kFlashFullscreenClass)) {
+ return 0;
+ }
+ }
+ } break;
+
+ case WM_WINDOWPOSCHANGED: {
+ // We send this in nsPluginFrame just before painting
+ return SendWindowPosChanged(npremoteevent);
+ }
+
+ case WM_IME_STARTCOMPOSITION:
+ case WM_IME_COMPOSITION:
+ case WM_IME_ENDCOMPOSITION:
+ if (!(mParent->GetQuirks() & QUIRK_WINLESS_HOOK_IME)) {
+ // IME message will be posted on allowed plugins only such as
+ // Flash. Because if we cannot know that plugin can handle
+ // IME correctly.
+ return 0;
+ }
+ break;
+ }
+ }
+#endif
+
+#if defined(MOZ_X11)
+ switch (npevent->type) {
+ case GraphicsExpose:
+ PLUGIN_LOG_DEBUG((" schlepping drawable 0x%lx across the pipe\n",
+ npevent->xgraphicsexpose.drawable));
+ // Make sure the X server has created the Drawable and completes any
+ // drawing before the plugin draws on top.
+ //
+ // XSync() waits for the X server to complete. Really this parent
+ // process does not need to wait; the child is the process that needs
+ // to wait. A possibly-slightly-better alternative would be to send
+ // an X event to the child that the child would wait for.
+ FinishX(DefaultXDisplay());
+
+ return CallPaint(npremoteevent, &handled) ? handled : 0;
+
+ case ButtonPress:
+ // Release any active pointer grab so that the plugin X client can
+ // grab the pointer if it wishes.
+ Display* dpy = DefaultXDisplay();
+# ifdef MOZ_WIDGET_GTK
+ // GDK attempts to (asynchronously) track whether there is an active
+ // grab so ungrab through GDK.
+ //
+ // This call needs to occur in the same process that receives the event in
+ // the first place (chrome process)
+ if (XRE_IsContentProcess()) {
+ dom::ContentChild* cp = dom::ContentChild::GetSingleton();
+ cp->SendUngrabPointer(npevent->xbutton.time);
+ } else {
+ gdk_pointer_ungrab(npevent->xbutton.time);
+ }
+# else
+ XUngrabPointer(dpy, npevent->xbutton.time);
+# endif
+ // Wait for the ungrab to complete.
+ XSync(dpy, X11False);
+ break;
+ }
+#endif
+
+#ifdef XP_MACOSX
+ if (npevent->type == NPCocoaEventDrawRect) {
+ if (mDrawingModel == NPDrawingModelCoreAnimation ||
+ mDrawingModel == NPDrawingModelInvalidatingCoreAnimation) {
+ if (!mIOSurface) {
+ NS_ERROR("No IOSurface allocated.");
+ return false;
+ }
+ if (!CallNPP_HandleEvent_IOSurface(
+ npremoteevent, mIOSurface->GetIOSurfaceID(), &handled))
+ return false; // no good way to handle errors here...
+
+ CGContextRef cgContext = npevent->data.draw.context;
+ if (!mShColorSpace) {
+ mShColorSpace = CreateSystemColorSpace();
+ }
+ if (!mShColorSpace) {
+ PLUGIN_LOG_DEBUG(("Could not allocate ColorSpace."));
+ return false;
+ }
+ if (cgContext) {
+ nsCARenderer::DrawSurfaceToCGContext(
+ cgContext, mIOSurface, mShColorSpace, npevent->data.draw.x,
+ npevent->data.draw.y, npevent->data.draw.width,
+ npevent->data.draw.height);
+ }
+ return true;
+ } else if (mFrontIOSurface) {
+ CGContextRef cgContext = npevent->data.draw.context;
+ if (!mShColorSpace) {
+ mShColorSpace = CreateSystemColorSpace();
+ }
+ if (!mShColorSpace) {
+ PLUGIN_LOG_DEBUG(("Could not allocate ColorSpace."));
+ return false;
+ }
+ if (cgContext) {
+ nsCARenderer::DrawSurfaceToCGContext(
+ cgContext, mFrontIOSurface, mShColorSpace, npevent->data.draw.x,
+ npevent->data.draw.y, npevent->data.draw.width,
+ npevent->data.draw.height);
+ }
+ return true;
+ } else {
+ if (mShWidth == 0 && mShHeight == 0) {
+ PLUGIN_LOG_DEBUG(("NPCocoaEventDrawRect on window of size 0."));
+ return false;
+ }
+ if (!mShSurface.IsReadable()) {
+ PLUGIN_LOG_DEBUG(("Shmem is not readable."));
+ return false;
+ }
+
+ if (!CallNPP_HandleEvent_Shmem(npremoteevent, std::move(mShSurface),
+ &handled, &mShSurface))
+ return false; // no good way to handle errors here...
+
+ if (!mShSurface.IsReadable()) {
+ PLUGIN_LOG_DEBUG(
+ ("Shmem not returned. Either the plugin crashed "
+ "or we have a bug."));
+ return false;
+ }
+
+ char* shContextByte = mShSurface.get<char>();
+
+ if (!mShColorSpace) {
+ mShColorSpace = CreateSystemColorSpace();
+ }
+ if (!mShColorSpace) {
+ PLUGIN_LOG_DEBUG(("Could not allocate ColorSpace."));
+ return false;
+ }
+ CGContextRef shContext = ::CGBitmapContextCreate(
+ shContextByte, mShWidth, mShHeight, 8, mShWidth * 4, mShColorSpace,
+ kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
+ if (!shContext) {
+ PLUGIN_LOG_DEBUG(("Could not allocate CGBitmapContext."));
+ return false;
+ }
+
+ CGImageRef shImage = ::CGBitmapContextCreateImage(shContext);
+ if (shImage) {
+ CGContextRef cgContext = npevent->data.draw.context;
+
+ ::CGContextDrawImage(cgContext, CGRectMake(0, 0, mShWidth, mShHeight),
+ shImage);
+ ::CGImageRelease(shImage);
+ } else {
+ ::CGContextRelease(shContext);
+ return false;
+ }
+ ::CGContextRelease(shContext);
+ return true;
+ }
+ }
+#endif
+
+ if (!CallNPP_HandleEvent(npremoteevent, &handled))
+ return 0; // no good way to handle errors here...
+
+ return handled;
+}
+
+NPError PluginInstanceParent::NPP_NewStream(NPMIMEType type, NPStream* stream,
+ NPBool seekable, uint16_t* stype) {
+ PLUGIN_LOG_DEBUG(("%s (type=%s, stream=%p, seekable=%i)", FULLFUNCTION,
+ (char*)type, (void*)stream, (int)seekable));
+
+ BrowserStreamParent* bs = new BrowserStreamParent(this, stream);
+
+ if (!SendPBrowserStreamConstructor(
+ bs, NullableString(stream->url), stream->end, stream->lastmodified,
+ static_cast<PStreamNotifyParent*>(stream->notifyData),
+ NullableString(stream->headers))) {
+ return NPERR_GENERIC_ERROR;
+ }
+
+ NPError err = NPERR_NO_ERROR;
+ bs->SetAlive();
+ if (!CallNPP_NewStream(bs, NullableString(type), seekable, &err, stype)) {
+ err = NPERR_GENERIC_ERROR;
+ }
+ if (NPERR_NO_ERROR != err) {
+ Unused << PBrowserStreamParent::Send__delete__(bs);
+ }
+
+ return err;
+}
+
+NPError PluginInstanceParent::NPP_DestroyStream(NPStream* stream,
+ NPReason reason) {
+ PLUGIN_LOG_DEBUG(
+ ("%s (stream=%p, reason=%i)", FULLFUNCTION, (void*)stream, (int)reason));
+
+ AStream* s = static_cast<AStream*>(stream->pdata);
+ if (!s) {
+ // The stream has already been deleted by other means.
+ // With async plugin init this could happen if async NPP_NewStream
+ // returns an error code.
+ return NPERR_NO_ERROR;
+ }
+ MOZ_ASSERT(s->IsBrowserStream());
+ BrowserStreamParent* sp = static_cast<BrowserStreamParent*>(s);
+ if (sp->mNPP != this) MOZ_CRASH("Mismatched plugin data");
+ sp->NPP_DestroyStream(reason);
+ return NPERR_NO_ERROR;
+}
+
+void PluginInstanceParent::NPP_Print(NPPrint* platformPrint) {
+ // TODO: implement me
+ NS_ERROR("Not implemented");
+}
+
+PPluginScriptableObjectParent*
+PluginInstanceParent::AllocPPluginScriptableObjectParent() {
+ return new PluginScriptableObjectParent(Proxy);
+}
+
+bool PluginInstanceParent::DeallocPPluginScriptableObjectParent(
+ PPluginScriptableObjectParent* aObject) {
+ PluginScriptableObjectParent* actor =
+ static_cast<PluginScriptableObjectParent*>(aObject);
+
+ NPObject* object = actor->GetObject(false);
+ if (object) {
+ NS_ASSERTION(mScriptableObjects.Get(object, nullptr),
+ "NPObject not in the hash!");
+ mScriptableObjects.Remove(object);
+ }
+#ifdef DEBUG
+ else {
+ for (auto iter = mScriptableObjects.Iter(); !iter.Done(); iter.Next()) {
+ NS_ASSERTION(actor != iter.UserData(),
+ "Actor in the hash with a null NPObject!");
+ }
+ }
+#endif
+
+ delete actor;
+ return true;
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::RecvPPluginScriptableObjectConstructor(
+ PPluginScriptableObjectParent* aActor) {
+ // This is only called in response to the child process requesting the
+ // creation of an actor. This actor will represent an NPObject that is
+ // created by the plugin and returned to the browser.
+ PluginScriptableObjectParent* actor =
+ static_cast<PluginScriptableObjectParent*>(aActor);
+ NS_ASSERTION(!actor->GetObject(false), "Actor already has an object?!");
+
+ actor->InitializeProxy();
+ NS_ASSERTION(actor->GetObject(false), "Actor should have an object!");
+
+ return IPC_OK();
+}
+
+void PluginInstanceParent::NPP_URLNotify(const char* url, NPReason reason,
+ void* notifyData) {
+ PLUGIN_LOG_DEBUG(
+ ("%s (%s, %i, %p)", FULLFUNCTION, url, (int)reason, notifyData));
+
+ PStreamNotifyParent* streamNotify =
+ static_cast<PStreamNotifyParent*>(notifyData);
+ Unused << PStreamNotifyParent::Send__delete__(streamNotify, reason);
+}
+
+bool PluginInstanceParent::RegisterNPObjectForActor(
+ NPObject* aObject, PluginScriptableObjectParent* aActor) {
+ NS_ASSERTION(aObject && aActor, "Null pointers!");
+ NS_ASSERTION(!mScriptableObjects.Get(aObject, nullptr), "Duplicate entry!");
+ mScriptableObjects.Put(aObject, aActor);
+ return true;
+}
+
+void PluginInstanceParent::UnregisterNPObject(NPObject* aObject) {
+ NS_ASSERTION(aObject, "Null pointer!");
+ NS_ASSERTION(mScriptableObjects.Get(aObject, nullptr), "Unknown entry!");
+ mScriptableObjects.Remove(aObject);
+}
+
+PluginScriptableObjectParent* PluginInstanceParent::GetActorForNPObject(
+ NPObject* aObject) {
+ NS_ASSERTION(aObject, "Null pointer!");
+
+ if (aObject->_class == PluginScriptableObjectParent::GetClass()) {
+ // One of ours!
+ ParentNPObject* object = static_cast<ParentNPObject*>(aObject);
+ NS_ASSERTION(object->parent, "Null actor!");
+ return object->parent;
+ }
+
+ PluginScriptableObjectParent* actor;
+ if (mScriptableObjects.Get(aObject, &actor)) {
+ return actor;
+ }
+
+ actor = new PluginScriptableObjectParent(LocalObject);
+ if (!SendPPluginScriptableObjectConstructor(actor)) {
+ NS_WARNING("Failed to send constructor message!");
+ return nullptr;
+ }
+
+ actor->InitializeLocal(aObject);
+ return actor;
+}
+
+PPluginSurfaceParent* PluginInstanceParent::AllocPPluginSurfaceParent(
+ const WindowsSharedMemoryHandle& handle, const mozilla::gfx::IntSize& size,
+ const bool& transparent) {
+#ifdef XP_WIN
+ return new PluginSurfaceParent(handle, size, transparent);
+#else
+ NS_ERROR("This shouldn't be called!");
+ return nullptr;
+#endif
+}
+
+bool PluginInstanceParent::DeallocPPluginSurfaceParent(
+ PPluginSurfaceParent* s) {
+#ifdef XP_WIN
+ delete s;
+ return true;
+#else
+ return false;
+#endif
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerNPN_PushPopupsEnabledState(
+ const bool& aState) {
+ mNPNIface->pushpopupsenabledstate(mNPP, aState ? 1 : 0);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+PluginInstanceParent::AnswerNPN_PopPopupsEnabledState() {
+ mNPNIface->poppopupsenabledstate(mNPP);
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerNPN_GetValueForURL(
+ const NPNURLVariable& variable, const nsCString& url, nsCString* value,
+ NPError* result) {
+ char* v;
+ uint32_t len;
+
+ *result = mNPNIface->getvalueforurl(mNPP, (NPNURLVariable)variable, url.get(),
+ &v, &len);
+ if (NPERR_NO_ERROR == *result) value->Adopt(v, len);
+
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerNPN_SetValueForURL(
+ const NPNURLVariable& variable, const nsCString& url,
+ const nsCString& value, NPError* result) {
+ *result = mNPNIface->setvalueforurl(mNPP, (NPNURLVariable)variable, url.get(),
+ value.get(), value.Length());
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerNPN_ConvertPoint(
+ const double& sourceX, const bool& ignoreDestX, const double& sourceY,
+ const bool& ignoreDestY, const NPCoordinateSpace& sourceSpace,
+ const NPCoordinateSpace& destSpace, double* destX, double* destY,
+ bool* result) {
+ *result = mNPNIface->convertpoint(mNPP, sourceX, sourceY, sourceSpace,
+ ignoreDestX ? nullptr : destX,
+ ignoreDestY ? nullptr : destY, destSpace);
+
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvRedrawPlugin() {
+ nsNPAPIPluginInstance* inst =
+ static_cast<nsNPAPIPluginInstance*>(mNPP->ndata);
+ if (!inst) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+
+ inst->RedrawPlugin();
+ return IPC_OK();
+}
+
+nsPluginInstanceOwner* PluginInstanceParent::GetOwner() {
+ nsNPAPIPluginInstance* inst =
+ static_cast<nsNPAPIPluginInstance*>(mNPP->ndata);
+ if (!inst) {
+ return nullptr;
+ }
+ return inst->GetOwner();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvSetNetscapeWindowAsParent(
+ const NativeWindowHandle& childWindow) {
+#if defined(XP_WIN)
+ nsPluginInstanceOwner* owner = GetOwner();
+ if (!owner || NS_FAILED(owner->SetNetscapeWindowAsParent(childWindow))) {
+ NS_WARNING("Failed to set Netscape window as parent.");
+ }
+
+ return IPC_OK();
+#else
+ MOZ_ASSERT_UNREACHABLE("RecvSetNetscapeWindowAsParent not implemented!");
+ return IPC_FAIL_NO_REASON(this);
+#endif
+}
+
+#if defined(OS_WIN)
+
+/*
+ plugin focus changes between processes
+
+ focus from dom -> child:
+ Focus manager calls on widget to set the focus on the window.
+ We pick up the resulting wm_setfocus event here, and forward
+ that over ipc to the child which calls set focus on itself.
+
+ focus from child -> focus manager:
+ Child picks up the local wm_setfocus and sends it via ipc over
+ here. We then post a custom event to widget/windows/nswindow
+ which fires off a gui event letting the browser know.
+*/
+
+static const wchar_t kPluginInstanceParentProperty[] =
+ L"PluginInstanceParentProperty";
+
+// static
+LRESULT CALLBACK PluginInstanceParent::PluginWindowHookProc(HWND hWnd,
+ UINT message,
+ WPARAM wParam,
+ LPARAM lParam) {
+ PluginInstanceParent* self = reinterpret_cast<PluginInstanceParent*>(
+ ::GetPropW(hWnd, kPluginInstanceParentProperty));
+ if (!self) {
+ MOZ_ASSERT_UNREACHABLE(
+ "PluginInstanceParent::PluginWindowHookProc null this ptr!");
+ return DefWindowProc(hWnd, message, wParam, lParam);
+ }
+
+ NS_ASSERTION(self->mPluginHWND == hWnd, "Wrong window!");
+
+ switch (message) {
+ case WM_SETFOCUS:
+ // Let the child plugin window know it should take focus.
+ Unused << self->CallSetPluginFocus();
+ break;
+
+ case WM_CLOSE:
+ self->UnsubclassPluginWindow();
+ break;
+ }
+
+ if (self->mPluginWndProc == PluginWindowHookProc) {
+ MOZ_ASSERT_UNREACHABLE(
+ "PluginWindowHookProc invoking mPluginWndProc w/"
+ "mPluginWndProc == PluginWindowHookProc????");
+ return DefWindowProc(hWnd, message, wParam, lParam);
+ }
+ return ::CallWindowProc(self->mPluginWndProc, hWnd, message, wParam, lParam);
+}
+
+void PluginInstanceParent::SubclassPluginWindow(HWND aWnd) {
+ if ((aWnd && mPluginHWND == aWnd) || (!aWnd && mPluginHWND)) {
+ return;
+ }
+
+ if (XRE_IsContentProcess()) {
+ if (!aWnd) {
+ NS_WARNING(
+ "PluginInstanceParent::SubclassPluginWindow unexpected null window");
+ return;
+ }
+ mPluginHWND = aWnd; // now a remote window, we can't subclass this
+ mPluginWndProc = nullptr;
+ // Note sPluginInstanceList wil delete 'this' if we do not remove
+ // it on shutdown.
+ sPluginInstanceList->Put((void*)mPluginHWND, this);
+ return;
+ }
+
+ NS_ASSERTION(
+ !(mPluginHWND && aWnd != mPluginHWND),
+ "PluginInstanceParent::SubclassPluginWindow hwnd is not our window!");
+
+ mPluginHWND = aWnd;
+ mPluginWndProc = (WNDPROC)::SetWindowLongPtrA(
+ mPluginHWND, GWLP_WNDPROC,
+ reinterpret_cast<LONG_PTR>(PluginWindowHookProc));
+ DebugOnly<bool> bRes =
+ ::SetPropW(mPluginHWND, kPluginInstanceParentProperty, this);
+ NS_ASSERTION(
+ mPluginWndProc,
+ "PluginInstanceParent::SubclassPluginWindow failed to set subclass!");
+ NS_ASSERTION(
+ bRes, "PluginInstanceParent::SubclassPluginWindow failed to set prop!");
+}
+
+void PluginInstanceParent::UnsubclassPluginWindow() {
+ if (XRE_IsContentProcess()) {
+ if (mPluginHWND) {
+ // Remove 'this' from the plugin list safely
+ mozilla::UniquePtr<PluginInstanceParent> tmp;
+ MOZ_ASSERT(sPluginInstanceList);
+ sPluginInstanceList->Remove((void*)mPluginHWND, &tmp);
+ mozilla::Unused << tmp.release();
+ if (!sPluginInstanceList->Count()) {
+ delete sPluginInstanceList;
+ sPluginInstanceList = nullptr;
+ }
+ }
+ mPluginHWND = nullptr;
+ return;
+ }
+
+ if (mPluginHWND && mPluginWndProc) {
+ ::SetWindowLongPtrA(mPluginHWND, GWLP_WNDPROC,
+ reinterpret_cast<LONG_PTR>(mPluginWndProc));
+
+ ::RemovePropW(mPluginHWND, kPluginInstanceParentProperty);
+
+ mPluginWndProc = nullptr;
+ mPluginHWND = nullptr;
+ }
+}
+
+/* windowless drawing helpers */
+
+/*
+ * Origin info:
+ *
+ * windowless, offscreen:
+ *
+ * WM_WINDOWPOSCHANGED: origin is relative to container
+ * setwindow: origin is 0,0
+ * WM_PAINT: origin is 0,0
+ *
+ * windowless, native:
+ *
+ * WM_WINDOWPOSCHANGED: origin is relative to container
+ * setwindow: origin is relative to container
+ * WM_PAINT: origin is relative to container
+ *
+ * PluginInstanceParent:
+ *
+ * painting: mPluginPort (nsIntRect, saved in SetWindow)
+ */
+
+bool PluginInstanceParent::MaybeCreateAndParentChildPluginWindow() {
+ // On Windows we need to create and set the parent before we set the
+ // window on the plugin, or keyboard interaction will not work.
+ if (!mChildPluginHWND) {
+ if (!CallCreateChildPluginWindow(&mChildPluginHWND) || !mChildPluginHWND) {
+ return false;
+ }
+ }
+
+ // It's not clear if the parent window would ever change, but when this
+ // was done in the NPAPI child it used to allow for this.
+ if (mPluginHWND == mChildPluginsParentHWND) {
+ return true;
+ }
+
+ nsPluginInstanceOwner* owner = GetOwner();
+ if (!owner) {
+ // We can't reparent without an owner, the plugin is probably shutting
+ // down, just return true to allow any calls to continue.
+ return true;
+ }
+
+ // Note that this call will probably cause a sync native message to the
+ // process that owns the child window.
+ owner->SetWidgetWindowAsParent(mChildPluginHWND);
+ mChildPluginsParentHWND = mPluginHWND;
+ return true;
+}
+
+void PluginInstanceParent::MaybeCreateChildPopupSurrogate() {
+ // Already created or not required for this plugin.
+ if (mChildPluginHWND || mWindowType != NPWindowTypeDrawable ||
+ !(mParent->GetQuirks() & QUIRK_WINLESS_TRACKPOPUP_HOOK)) {
+ return;
+ }
+
+ // We need to pass the netscape window down to be cached as part of the call
+ // to create the surrogate, because the reparenting of the surrogate in the
+ // main process can cause sync Windows messages to the plugin process, which
+ // then cause sync messages from the plugin child for the netscape window
+ // which causes a deadlock.
+ NativeWindowHandle netscapeWindow;
+ NPError result =
+ mNPNIface->getvalue(mNPP, NPNVnetscapeWindow, &netscapeWindow);
+ if (NPERR_NO_ERROR != result) {
+ NS_WARNING("Can't get netscape window to pass to plugin child.");
+ return;
+ }
+
+ if (!SendCreateChildPopupSurrogate(netscapeWindow)) {
+ NS_WARNING("Failed to create popup surrogate in child.");
+ }
+}
+
+#endif // defined(OS_WIN)
+
+mozilla::ipc::IPCResult PluginInstanceParent::AnswerPluginFocusChange(
+ const bool& gotFocus) {
+ PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
+
+ // Currently only in use on windows - an event we receive from the child
+ // when it's plugin window (or one of it's children) receives keyboard
+ // focus. We detect this and forward a notification here so we can update
+ // focus.
+#if defined(OS_WIN)
+ if (gotFocus) {
+ nsPluginInstanceOwner* owner = GetOwner();
+ if (owner) {
+ RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager();
+ RefPtr<dom::Element> element;
+ owner->GetDOMElement(getter_AddRefs(element));
+ if (fm && element) {
+ fm->SetFocus(element, 0);
+ }
+ }
+ }
+ return IPC_OK();
+#else
+ MOZ_ASSERT_UNREACHABLE("AnswerPluginFocusChange not implemented!");
+ return IPC_FAIL_NO_REASON(this);
+#endif
+}
+
+PluginInstanceParent* PluginInstanceParent::Cast(NPP aInstance) {
+ auto ip = static_cast<PluginInstanceParent*>(aInstance->pdata);
+
+ // If the plugin crashed and the PluginInstanceParent was deleted,
+ // aInstance->pdata will be nullptr.
+ if (!ip) {
+ return nullptr;
+ }
+
+ if (aInstance != ip->mNPP) {
+ MOZ_CRASH("Corrupted plugin data.");
+ }
+
+ return ip;
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvGetCompositionString(
+ const uint32_t& aIndex, nsTArray<uint8_t>* aDist, int32_t* aLength) {
+#if defined(OS_WIN)
+ nsPluginInstanceOwner* owner = GetOwner();
+ if (!owner) {
+ *aLength = IMM_ERROR_GENERAL;
+ return IPC_OK();
+ }
+
+ if (!owner->GetCompositionString(aIndex, aDist, aLength)) {
+ *aLength = IMM_ERROR_NODATA;
+ }
+#endif
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvRequestCommitOrCancel(
+ const bool& aCommitted) {
+#if defined(OS_WIN)
+ nsPluginInstanceOwner* owner = GetOwner();
+ if (owner) {
+ owner->RequestCommitOrCancel(aCommitted);
+ }
+#endif
+ return IPC_OK();
+}
+
+nsresult PluginInstanceParent::HandledWindowedPluginKeyEvent(
+ const NativeEventData& aKeyEventData, bool aIsConsumed) {
+ if (NS_WARN_IF(
+ !SendHandledWindowedPluginKeyEvent(aKeyEventData, aIsConsumed))) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+mozilla::ipc::IPCResult PluginInstanceParent::RecvOnWindowedPluginKeyEvent(
+ const NativeEventData& aKeyEventData) {
+ nsPluginInstanceOwner* owner = GetOwner();
+ if (NS_WARN_IF(!owner)) {
+ // Notifies the plugin process of the key event being not consumed
+ // by us.
+ HandledWindowedPluginKeyEvent(aKeyEventData, false);
+ return IPC_OK();
+ }
+ owner->OnWindowedPluginKeyEvent(aKeyEventData);
+ return IPC_OK();
+}
+
+void PluginInstanceParent::RecordDrawingModel() {
+ int mode = -1;
+ switch (mWindowType) {
+ case NPWindowTypeWindow:
+ // We use 0=windowed since there is no specific NPDrawingModel value.
+ mode = 0;
+ break;
+ case NPWindowTypeDrawable:
+ mode = mDrawingModel + 1;
+ break;
+ default:
+ MOZ_ASSERT_UNREACHABLE("bad window type");
+ return;
+ }
+
+ if (mode == mLastRecordedDrawingModel) {
+ return;
+ }
+ MOZ_ASSERT(mode >= 0);
+
+ Telemetry::Accumulate(Telemetry::PLUGIN_DRAWING_MODEL, mode);
+ mLastRecordedDrawingModel = mode;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 11:54:33 +0000