mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1946205e7c
Currently when either of these methods fail, we log something and rely on the calling code to null check. Since these failures are serious and likely unrecoverable, it's better to define these methods as infallible and just crash if they do fail.
321 lines
8.3 KiB
C++
321 lines
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/PluginPRLibrary.h"
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#include "nsNPAPIPluginInstance.h"
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// Some plugins on Windows, notably Quake Live, implement NP_Initialize using
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// cdecl instead of the documented stdcall. In order to work around this,
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// we force the caller to use a frame pointer.
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#if defined(XP_WIN) && defined(_M_IX86)
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#include <malloc.h>
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// gNotOptimized exists so that the compiler will not optimize the alloca
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// below.
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static int gNotOptimized;
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#define CALLING_CONVENTION_HACK void* foo = _alloca(gNotOptimized);
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#else
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#define CALLING_CONVENTION_HACK
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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#include "AndroidBridge.h"
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#include "android_npapi.h"
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#include <android/log.h>
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#undef ALOG
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#define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "GeckoJavaEnv", ## args)
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#endif
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using namespace mozilla::layers;
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namespace mozilla {
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#ifdef MOZ_WIDGET_ANDROID
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nsresult
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PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs,
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NPPluginFuncs* pFuncs, NPError* error)
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{
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JNIEnv* env = GetJNIForThread();
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mozilla::AutoLocalJNIFrame jniFrame(env);
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if (mNP_Initialize) {
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*error = mNP_Initialize(bFuncs, pFuncs, env);
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} else {
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NP_InitializeFunc pfNP_Initialize = (NP_InitializeFunc)
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PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
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if (!pfNP_Initialize)
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return NS_ERROR_FAILURE;
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*error = pfNP_Initialize(bFuncs, pFuncs, env);
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}
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// Save pointers to functions that get called through PluginLibrary itself.
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mNPP_New = pFuncs->newp;
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mNPP_ClearSiteData = pFuncs->clearsitedata;
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mNPP_GetSitesWithData = pFuncs->getsiteswithdata;
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return NS_OK;
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}
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#elif defined(MOZ_WIDGET_GONK)
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nsresult
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PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
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{
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return NS_OK;
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}
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#elif defined(XP_UNIX) && !defined(XP_MACOSX)
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nsresult
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PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs,
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NPPluginFuncs* pFuncs, NPError* error)
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{
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if (mNP_Initialize) {
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*error = mNP_Initialize(bFuncs, pFuncs);
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} else {
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NP_InitializeFunc pfNP_Initialize = (NP_InitializeFunc)
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PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
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if (!pfNP_Initialize)
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return NS_ERROR_FAILURE;
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*error = pfNP_Initialize(bFuncs, pFuncs);
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}
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// Save pointers to functions that get called through PluginLibrary itself.
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mNPP_New = pFuncs->newp;
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mNPP_ClearSiteData = pFuncs->clearsitedata;
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mNPP_GetSitesWithData = pFuncs->getsiteswithdata;
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return NS_OK;
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}
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#else
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nsresult
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PluginPRLibrary::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
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{
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CALLING_CONVENTION_HACK
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if (mNP_Initialize) {
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*error = mNP_Initialize(bFuncs);
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} else {
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NP_InitializeFunc pfNP_Initialize = (NP_InitializeFunc)
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PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
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if (!pfNP_Initialize)
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return NS_ERROR_FAILURE;
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*error = pfNP_Initialize(bFuncs);
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}
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return NS_OK;
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}
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#endif
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nsresult
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PluginPRLibrary::NP_Shutdown(NPError* error)
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{
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CALLING_CONVENTION_HACK
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if (mNP_Shutdown) {
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*error = mNP_Shutdown();
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} else {
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NP_ShutdownFunc pfNP_Shutdown = (NP_ShutdownFunc)
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PR_FindFunctionSymbol(mLibrary, "NP_Shutdown");
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if (!pfNP_Shutdown)
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return NS_ERROR_FAILURE;
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*error = pfNP_Shutdown();
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}
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return NS_OK;
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}
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nsresult
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PluginPRLibrary::NP_GetMIMEDescription(const char** mimeDesc)
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{
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CALLING_CONVENTION_HACK
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if (mNP_GetMIMEDescription) {
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*mimeDesc = mNP_GetMIMEDescription();
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}
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else {
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NP_GetMIMEDescriptionFunc pfNP_GetMIMEDescription =
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(NP_GetMIMEDescriptionFunc)
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PR_FindFunctionSymbol(mLibrary, "NP_GetMIMEDescription");
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if (!pfNP_GetMIMEDescription) {
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*mimeDesc = "";
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return NS_ERROR_FAILURE;
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}
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*mimeDesc = pfNP_GetMIMEDescription();
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}
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return NS_OK;
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}
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nsresult
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PluginPRLibrary::NP_GetValue(void *future, NPPVariable aVariable,
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void *aValue, NPError* error)
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{
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#if defined(XP_UNIX) && !defined(XP_MACOSX)
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if (mNP_GetValue) {
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*error = mNP_GetValue(future, aVariable, aValue);
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} else {
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NP_GetValueFunc pfNP_GetValue = (NP_GetValueFunc)PR_FindFunctionSymbol(mLibrary, "NP_GetValue");
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if (!pfNP_GetValue)
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return NS_ERROR_FAILURE;
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*error = pfNP_GetValue(future, aVariable, aValue);
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}
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return NS_OK;
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#else
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return NS_ERROR_NOT_IMPLEMENTED;
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#endif
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}
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#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_OS2)
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nsresult
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PluginPRLibrary::NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error)
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{
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CALLING_CONVENTION_HACK
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if (mNP_GetEntryPoints) {
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*error = mNP_GetEntryPoints(pFuncs);
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} else {
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NP_GetEntryPointsFunc pfNP_GetEntryPoints = (NP_GetEntryPointsFunc)
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PR_FindFunctionSymbol(mLibrary, "NP_GetEntryPoints");
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if (!pfNP_GetEntryPoints)
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return NS_ERROR_FAILURE;
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*error = pfNP_GetEntryPoints(pFuncs);
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}
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// Save pointers to functions that get called through PluginLibrary itself.
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mNPP_New = pFuncs->newp;
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mNPP_ClearSiteData = pFuncs->clearsitedata;
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mNPP_GetSitesWithData = pFuncs->getsiteswithdata;
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return NS_OK;
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}
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#endif
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nsresult
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PluginPRLibrary::NPP_New(NPMIMEType pluginType, NPP instance,
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uint16_t mode, int16_t argc, char* argn[],
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char* argv[], NPSavedData* saved,
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NPError* error)
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{
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if (!mNPP_New)
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return NS_ERROR_FAILURE;
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MAIN_THREAD_JNI_REF_GUARD;
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*error = mNPP_New(pluginType, instance, mode, argc, argn, argv, saved);
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return NS_OK;
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}
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nsresult
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PluginPRLibrary::NPP_ClearSiteData(const char* site, uint64_t flags,
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uint64_t maxAge)
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{
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if (!mNPP_ClearSiteData) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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MAIN_THREAD_JNI_REF_GUARD;
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NPError result = mNPP_ClearSiteData(site, flags, maxAge);
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switch (result) {
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case NPERR_NO_ERROR:
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return NS_OK;
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case NPERR_TIME_RANGE_NOT_SUPPORTED:
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return NS_ERROR_PLUGIN_TIME_RANGE_NOT_SUPPORTED;
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case NPERR_MALFORMED_SITE:
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return NS_ERROR_INVALID_ARG;
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default:
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return NS_ERROR_FAILURE;
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}
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}
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nsresult
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PluginPRLibrary::NPP_GetSitesWithData(InfallibleTArray<nsCString>& result)
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{
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if (!mNPP_GetSitesWithData) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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result.Clear();
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MAIN_THREAD_JNI_REF_GUARD;
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char** sites = mNPP_GetSitesWithData();
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if (!sites) {
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return NS_OK;
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}
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char** iterator = sites;
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while (*iterator) {
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result.AppendElement(*iterator);
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NS_Free(*iterator);
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++iterator;
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}
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NS_Free(sites);
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return NS_OK;
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}
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nsresult
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PluginPRLibrary::AsyncSetWindow(NPP instance, NPWindow* window)
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{
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nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
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NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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PluginPRLibrary::GetImageContainer(NPP instance, ImageContainer** aContainer)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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#if defined(XP_MACOSX)
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nsresult
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PluginPRLibrary::IsRemoteDrawingCoreAnimation(NPP instance, bool *aDrawing)
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{
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nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
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NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
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*aDrawing = false;
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return NS_OK;
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}
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nsresult
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PluginPRLibrary::ContentsScaleFactorChanged(NPP instance, double aContentsScaleFactor)
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{
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nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
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NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
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return NS_OK;
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}
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#endif
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nsresult
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PluginPRLibrary::GetImageSize(NPP instance, nsIntSize* aSize)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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PluginPRLibrary::SetBackgroundUnknown(NPP instance)
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{
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nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
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NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
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NS_ERROR("Unexpected use of async APIs for in-process plugin.");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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PluginPRLibrary::BeginUpdateBackground(NPP instance,
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const nsIntRect&, gfxContext** aCtx)
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{
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nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*)instance->ndata;
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NS_ENSURE_TRUE(inst, NS_ERROR_NULL_POINTER);
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NS_ERROR("Unexpected use of async APIs for in-process plugin.");
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*aCtx = nullptr;
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return NS_OK;
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}
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nsresult
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PluginPRLibrary::EndUpdateBackground(NPP instance,
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gfxContext*, const nsIntRect&)
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{
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NS_RUNTIMEABORT("This should never be called");
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return NS_ERROR_NOT_AVAILABLE;
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}
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} // namespace mozilla
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