diff -r 000000000000 -r 6474c204b198 dom/plugins/base/PluginPRLibrary.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/plugins/base/PluginPRLibrary.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,320 @@
+/* -*- 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