mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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301 lines
8.3 KiB
C++
301 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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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Plugin App.
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*
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* The Initial Developer of the Original Code is
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* Josh Aas <josh@mozilla.com>
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "mozilla/PluginPRLibrary.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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namespace mozilla {
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#if 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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*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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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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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::GetImage(NPP instance, ImageContainer* aContainer, Image** aImage)
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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, PRBool *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 = PR_FALSE;
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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 = nsnull;
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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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