The Tor Browser: dom/plugins/base/PluginPRLibrary.cpp@6474c204b198 (annotated)

dom/plugins/base/PluginPRLibrary.cpp@6474c204b198 (annotated)

dom/plugins/base/PluginPRLibrary.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
  * vim: sw=2 ts=8 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/PluginPRLibrary.h"
 #include "nsNPAPIPluginInstance.h"
 // Some plugins on Windows, notably Quake Live, implement NP_Initialize using
 // cdecl instead of the documented stdcall. In order to work around this,
 // we force the caller to use a frame pointer.
 #if defined(XP_WIN) && defined(_M_IX86)
 #include <malloc.h>
 // gNotOptimized exists so that the compiler will not optimize the alloca
 // below.
 static int gNotOptimized;
 #define CALLING_CONVENTION_HACK void* foo = _alloca(gNotOptimized);
 #else
 #define CALLING_CONVENTION_HACK
 #endif
 #ifdef MOZ_WIDGET_ANDROID
 #include "AndroidBridge.h"
 #include "android_npapi.h"
 #include <android/log.h>
 #undef ALOG
 #define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "GeckoJavaEnv", ## args)
 #endif
 using namespace mozilla::layers;
 namespace mozilla {
 #ifdef MOZ_WIDGET_ANDROID
 nsresult
 PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs,
 			       NPPluginFuncs* pFuncs, NPError* error)
 {
   JNIEnv* env = GetJNIForThread();
   mozilla::AutoLocalJNIFrame jniFrame(env);
   if (mNP_Initialize) {
     *error = mNP_Initialize(bFuncs, pFuncs, env);
   } else {
     NP_InitializeFunc pfNP_Initialize = (NP_InitializeFunc)
       PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
     if (!pfNP_Initialize)
       return NS_ERROR_FAILURE;
     *error = pfNP_Initialize(bFuncs, pFuncs, env);
   }
   // Save pointers to functions that get called through PluginLibrary itself.
   mNPP_New = pFuncs->newp;
   mNPP_ClearSiteData = pFuncs->clearsitedata;
   mNPP_GetSitesWithData = pFuncs->getsiteswithdata;
   return NS_OK;
 }
 #elif defined(MOZ_WIDGET_GONK)
 nsresult
 PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
 {
   return NS_OK;
 }
 #elif defined(XP_UNIX) && !defined(XP_MACOSX)
 nsresult
 PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs,
                                NPPluginFuncs* pFuncs, NPError* error)
 {
   if (mNP_Initialize) {
     *error = mNP_Initialize(bFuncs, pFuncs);
   } else {
     NP_InitializeFunc pfNP_Initialize = (NP_InitializeFunc)
       PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
     if (!pfNP_Initialize)
       return NS_ERROR_FAILURE;
     *error = pfNP_Initialize(bFuncs, pFuncs);
   }
   // Save pointers to functions that get called through PluginLibrary itself.
   mNPP_New = pFuncs->newp;
   mNPP_ClearSiteData = pFuncs->clearsitedata;
   mNPP_GetSitesWithData = pFuncs->getsiteswithdata;
   return NS_OK;
 }
 #else
 nsresult
 PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
 {
   CALLING_CONVENTION_HACK
   if (mNP_Initialize) {
     *error = mNP_Initialize(bFuncs);
   } else {
     NP_InitializeFunc pfNP_Initialize = (NP_InitializeFunc)
       PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
     if (!pfNP_Initialize)
       return NS_ERROR_FAILURE;
     *error = pfNP_Initialize(bFuncs);
   }
   return NS_OK;
 }
 #endif
 nsresult
 PluginPRLibrary::NP_Shutdown(NPError* error)
 {
   CALLING_CONVENTION_HACK
   if (mNP_Shutdown) {
     *error = mNP_Shutdown();
   } else {
     NP_ShutdownFunc pfNP_Shutdown = (NP_ShutdownFunc)
       PR_FindFunctionSymbol(mLibrary, "NP_Shutdown");
     if (!pfNP_Shutdown)
       return NS_ERROR_FAILURE;
     *error = pfNP_Shutdown();
   }
   return NS_OK;
 }
 nsresult
 PluginPRLibrary::NP_GetMIMEDescription(const char** mimeDesc)
 {
   CALLING_CONVENTION_HACK
   if (mNP_GetMIMEDescription) {
     *mimeDesc = mNP_GetMIMEDescription();
   }
   else {
     NP_GetMIMEDescriptionFunc pfNP_GetMIMEDescription =
       (NP_GetMIMEDescriptionFunc)
       PR_FindFunctionSymbol(mLibrary, "NP_GetMIMEDescription");
     if (!pfNP_GetMIMEDescription) {
       *mimeDesc = "";
       return NS_ERROR_FAILURE;
     }
     *mimeDesc = pfNP_GetMIMEDescription();
   }
   return NS_OK;
 }
 nsresult
 PluginPRLibrary::NP_GetValue(void *future, NPPVariable aVariable,
 			     void *aValue, NPError* error)
 {
 #if defined(XP_UNIX) && !defined(XP_MACOSX)
   if (mNP_GetValue) {
     *error = mNP_GetValue(future, aVariable, aValue);
   } else {
     NP_GetValueFunc pfNP_GetValue = (NP_GetValueFunc)PR_FindFunctionSymbol(mLibrary, "NP_GetValue");
     if (!pfNP_GetValue)
       return NS_ERROR_FAILURE;
     *error = pfNP_GetValue(future, aVariable, aValue);
   }
   return NS_OK;
 #else
   return NS_ERROR_NOT_IMPLEMENTED;
 #endif
 }
 #if defined(XP_WIN) || defined(XP_MACOSX)
 nsresult
 PluginPRLibrary::NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error)
 {
   CALLING_CONVENTION_HACK
   if (mNP_GetEntryPoints) {
     *error = mNP_GetEntryPoints(pFuncs);
   } else {
     NP_GetEntryPointsFunc pfNP_GetEntryPoints = (NP_GetEntryPointsFunc)
       PR_FindFunctionSymbol(mLibrary, "NP_GetEntryPoints");
     if (!pfNP_GetEntryPoints)
       return NS_ERROR_FAILURE;
     *error = pfNP_GetEntryPoints(pFuncs);
   }
   // Save pointers to functions that get called through PluginLibrary itself.
   mNPP_New = pFuncs->newp;
   mNPP_ClearSiteData = pFuncs->clearsitedata;
   mNPP_GetSitesWithData = pFuncs->getsiteswithdata;
   return NS_OK;
 }
 #endif
 nsresult
 PluginPRLibrary::NPP_New(NPMIMEType pluginType, NPP instance,
 			 uint16_t mode, int16_t argc, char* argn[],
 			 char* argv[], NPSavedData* saved,
 			 NPError* error)
 {
   if (!mNPP_New)
     return NS_ERROR_FAILURE;
   MAIN_THREAD_JNI_REF_GUARD;
   *error = mNPP_New(pluginType, instance, mode, argc, argn, argv, saved);
   return NS_OK;
 }
 nsresult
 PluginPRLibrary::NPP_ClearSiteData(const char* site, uint64_t flags,
                                    uint64_t maxAge)
 {
   if (!mNPP_ClearSiteData) {
     return NS_ERROR_NOT_AVAILABLE;
   }
   MAIN_THREAD_JNI_REF_GUARD;
   NPError result = mNPP_ClearSiteData(site, flags, maxAge);
   switch (result) {
   case NPERR_NO_ERROR:
     return NS_OK;
   case NPERR_TIME_RANGE_NOT_SUPPORTED:
     return NS_ERROR_PLUGIN_TIME_RANGE_NOT_SUPPORTED;
   case NPERR_MALFORMED_SITE:
     return NS_ERROR_INVALID_ARG;
   default:
     return NS_ERROR_FAILURE;
   }
 }
 nsresult
 PluginPRLibrary::NPP_GetSitesWithData(InfallibleTArray<nsCString>& result)
 {
   if (!mNPP_GetSitesWithData) {
     return NS_ERROR_NOT_AVAILABLE;
   }
   result.Clear();
   MAIN_THREAD_JNI_REF_GUARD;
   char** sites = mNPP_GetSitesWithData();
   if (!sites) {
     return NS_OK;
   }
   char** iterator = sites;
   while (*iterator) {
     result.AppendElement(*iterator);
     NS_Free(*iterator);
     ++iterator;
   }
   NS_Free(sites);
   return NS_OK;
 }
 nsresult
 PluginPRLibrary::AsyncSetWindow(NPP instance, NPWindow* window)
 {
   nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
   NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 nsresult
 PluginPRLibrary::GetImageContainer(NPP instance, ImageContainer** aContainer)
 {
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 #if defined(XP_MACOSX)
 nsresult
 PluginPRLibrary::IsRemoteDrawingCoreAnimation(NPP instance, bool *aDrawing)
 {
   nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
   NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
   *aDrawing = false;
   return NS_OK;
 }
 nsresult
 PluginPRLibrary::ContentsScaleFactorChanged(NPP instance, double aContentsScaleFactor)
 {
   nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
   NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
   return NS_OK;
 }
 #endif
 nsresult
 PluginPRLibrary::GetImageSize(NPP instance, nsIntSize* aSize)
 {
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 nsresult
 PluginPRLibrary::SetBackgroundUnknown(NPP instance)
 {
   nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
   NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
   NS_ERROR("Unexpected use of async APIs for in-process plugin.");
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 nsresult
 PluginPRLibrary::BeginUpdateBackground(NPP instance,
                                        const nsIntRect&, gfxContext** aCtx)
 {
   nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
   NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
   NS_ERROR("Unexpected use of async APIs for in-process plugin.");
   *aCtx = nullptr;
   return NS_OK;
 }
 nsresult
 PluginPRLibrary::EndUpdateBackground(NPP instance,
                                      gfxContext*, const nsIntRect&)
 {
   NS_RUNTIMEABORT("This should never be called");
   return NS_ERROR_NOT_AVAILABLE;
 }
 } // namespace mozilla

The Tor Browser / annotate

dom/plugins/base/PluginPRLibrary.cpp@6474c204b198 (annotated)

dom/plugins/base/PluginPRLibrary.cpp