/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: sw=4 ts=4 et : * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Plugin App. * * The Initial Developer of the Original Code is * Chris Jones * Portions created by the Initial Developer are Copyright (C) 2009 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef dom_plugins_PluginModuleParent_h #define dom_plugins_PluginModuleParent_h 1 #include #include "base/basictypes.h" #include "prlink.h" #include "npapi.h" #include "npfunctions.h" #include "base/string_util.h" #include "mozilla/PluginLibrary.h" #include "mozilla/plugins/PPluginModuleParent.h" #include "mozilla/plugins/PluginInstanceParent.h" #include "mozilla/plugins/PluginProcessParent.h" #include "mozilla/plugins/PluginIdentifierParent.h" #include "nsAutoPtr.h" #include "nsDataHashtable.h" #include "nsHashKeys.h" #include "nsIFileStreams.h" #include "nsTObserverArray.h" #include "nsITimer.h" namespace mozilla { namespace plugins { //----------------------------------------------------------------------------- class BrowserStreamParent; /** * PluginModuleParent * * This class implements the NPP API from the perspective of the rest * of Gecko, forwarding NPP calls along to the child process that is * actually running the plugin. * * This class /also/ implements a version of the NPN API, because the * child process needs to make these calls back into Gecko proper. * This class is responsible for "actually" making those function calls. */ class PluginModuleParent : public PPluginModuleParent, PluginLibrary { private: typedef mozilla::PluginLibrary PluginLibrary; protected: virtual PPluginIdentifierParent* AllocPPluginIdentifier(const nsCString& aString, const int32_t& aInt); virtual bool DeallocPPluginIdentifier(PPluginIdentifierParent* aActor); PPluginInstanceParent* AllocPPluginInstance(const nsCString& aMimeType, const uint16_t& aMode, const nsTArray& aNames, const nsTArray& aValues, NPError* rv); virtual bool DeallocPPluginInstance(PPluginInstanceParent* aActor); public: PluginModuleParent(const char* aFilePath); virtual ~PluginModuleParent(); NS_OVERRIDE virtual void SetPlugin(nsNPAPIPlugin* plugin) { mPlugin = plugin; } NS_OVERRIDE virtual void ActorDestroy(ActorDestroyReason why); /** * LoadModule * * This may or may not launch a plugin child process, * and may or may not be very expensive. */ static PluginLibrary* LoadModule(const char* aFilePath); const NPNetscapeFuncs* GetNetscapeFuncs() { return mNPNIface; } PluginProcessParent* Process() const { return mSubprocess; } base::ProcessHandle ChildProcessHandle() { return mSubprocess->GetChildProcessHandle(); } bool OkToCleanup() const { return !IsOnCxxStack(); } PPluginIdentifierParent* GetIdentifierForNPIdentifier(NPIdentifier aIdentifier); #ifdef OS_MACOSX void AddToRefreshTimer(PluginInstanceParent *aInstance); void RemoveFromRefreshTimer(PluginInstanceParent *aInstance); #endif protected: NS_OVERRIDE virtual mozilla::ipc::RPCChannel::RacyRPCPolicy MediateRPCRace(const Message& parent, const Message& child) { return MediateRace(parent, child); } virtual bool RecvXXX_HACK_FIXME_cjones(Shmem& mem) { NS_RUNTIMEABORT("not reached"); return false; } NS_OVERRIDE virtual bool ShouldContinueFromReplyTimeout(); virtual bool AnswerNPN_UserAgent(nsCString* userAgent); virtual bool AnswerNPN_GetValue_WithBoolReturn(const NPNVariable& aVariable, NPError* aError, bool* aBoolVal); NS_OVERRIDE virtual bool AnswerProcessSomeEvents(); NS_OVERRIDE virtual bool RecvProcessNativeEventsInRPCCall(); virtual bool RecvAppendNotesToCrashReport(const nsCString& aNotes); NS_OVERRIDE virtual bool RecvPluginShowWindow(const uint32_t& aWindowId, const bool& aModal, const int32_t& aX, const int32_t& aY, const size_t& aWidth, const size_t& aHeight); NS_OVERRIDE virtual bool RecvPluginHideWindow(const uint32_t& aWindowId); static PluginInstanceParent* InstCast(NPP instance); static BrowserStreamParent* StreamCast(NPP instance, NPStream* s); private: void SetPluginFuncs(NPPluginFuncs* aFuncs); // Implement the module-level functions from NPAPI; these are // normally resolved directly from the DSO. #ifdef OS_LINUX NPError NP_Initialize(const NPNetscapeFuncs* npnIface, NPPluginFuncs* nppIface); #else NPError NP_Initialize(const NPNetscapeFuncs* npnIface); NPError NP_GetEntryPoints(NPPluginFuncs* nppIface); #endif // NPP-like API that Gecko calls are trampolined into. These // messages then get forwarded along to the plugin instance, // and then eventually the child process. static NPError NPP_Destroy(NPP instance, NPSavedData** save); static NPError NPP_SetWindow(NPP instance, NPWindow* window); static NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype); static NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason); static int32_t NPP_WriteReady(NPP instance, NPStream* stream); static int32_t NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer); static void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname); static void NPP_Print(NPP instance, NPPrint* platformPrint); static int16_t NPP_HandleEvent(NPP instance, void* event); static void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData); static NPError NPP_GetValue(NPP instance, NPPVariable variable, void *ret_value); static NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value); virtual bool HasRequiredFunctions(); virtual nsresult AsyncSetWindow(NPP instance, NPWindow* window); virtual nsresult NotifyPainted(NPP instance); virtual nsresult GetSurface(NPP instance, gfxASurface** aSurface); virtual nsresult UseAsyncPainting(NPP instance, PRBool* aIsAsync); #if defined(XP_UNIX) && !defined(XP_MACOSX) virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs, NPError* error); #else virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error); #endif virtual nsresult NP_Shutdown(NPError* error); virtual nsresult NP_GetMIMEDescription(const char** mimeDesc); virtual nsresult NP_GetValue(void *future, NPPVariable aVariable, void *aValue, NPError* error); #if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_OS2) virtual nsresult NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error); #endif virtual nsresult NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved, NPError* error); private: void WritePluginExtraDataForMinidump(const nsAString& id); void WriteExtraDataForHang(); void CleanupFromTimeout(); static int TimeoutChanged(const char* aPref, void* aModule); void NotifyPluginCrashed(); nsCString mCrashNotes; PluginProcessParent* mSubprocess; // the plugin thread in mSubprocess NativeThreadId mPluginThread; bool mShutdown; const NPNetscapeFuncs* mNPNIface; nsDataHashtable mIdentifiers; nsNPAPIPlugin* mPlugin; time_t mProcessStartTime; ScopedRunnableMethodFactory mTaskFactory; nsString mPluginDumpID; nsString mBrowserDumpID; nsString mHangID; #ifdef OS_MACOSX nsCOMPtr mCATimer; nsTObserverArray mCATimerTargets; #endif }; } // namespace plugins } // namespace mozilla #endif // ifndef dom_plugins_PluginModuleParent_h