gecko-dev/dom/plugins/base/PluginPRLibrary.cpp
2012-05-21 12:12:37 +01:00

317 lines
8.3 KiB
C++

/* -*- 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"
// 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>
#define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "GeckoJavaEnv", ## args)
#endif
namespace mozilla {
#ifdef MOZ_WIDGET_ANDROID
nsresult
PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs,
NPPluginFuncs* pFuncs, NPError* error)
{
JNIEnv* env = GetJNIForThread();
if (!env)
return NS_ERROR_FAILURE;
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_GetValue = pFuncs->getvalue;
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) || defined(XP_OS2)
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;
*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;
}
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();
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;
}
#if defined(MOZ_WIDGET_QT) && (MOZ_PLATFORM_MAEMO == 6)
nsresult
PluginPRLibrary::HandleGUIEvent(NPP instance, const nsGUIEvent& anEvent,
bool* handled)
{
nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif
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;
}
#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 = nsnull;
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