зеркало из https://github.com/mozilla/gecko-dev.git
696 строки
17 KiB
C++
696 строки
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=4 ts=4 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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#ifndef DOM_PLUGINS_PLUGINMESSAGEUTILS_H
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#define DOM_PLUGINS_PLUGINMESSAGEUTILS_H
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#include "ipc/IPCMessageUtils.h"
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#include "base/message_loop.h"
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#include "mozilla/ipc/MessageChannel.h"
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#include "mozilla/ipc/CrossProcessMutex.h"
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#include "mozilla/UniquePtr.h"
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#include "gfxipc/ShadowLayerUtils.h"
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#include "npapi.h"
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#include "npruntime.h"
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#include "npfunctions.h"
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#include "nsAutoPtr.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "mozilla/Logging.h"
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#include "nsHashKeys.h"
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#ifdef MOZ_CRASHREPORTER
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# include "nsExceptionHandler.h"
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#endif
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#ifdef XP_MACOSX
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#include "PluginInterposeOSX.h"
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#else
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namespace mac_plugin_interposing { class NSCursorInfo { }; }
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#endif
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using mac_plugin_interposing::NSCursorInfo;
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namespace mozilla {
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namespace plugins {
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using layers::SurfaceDescriptorX11;
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enum ScriptableObjectType
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{
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LocalObject,
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Proxy
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};
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mozilla::ipc::RacyInterruptPolicy
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MediateRace(const mozilla::ipc::MessageChannel::Message& parent,
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const mozilla::ipc::MessageChannel::Message& child);
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std::string
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MungePluginDsoPath(const std::string& path);
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std::string
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UnmungePluginDsoPath(const std::string& munged);
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extern mozilla::LogModule* GetPluginLog();
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#if defined(_MSC_VER)
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#define FULLFUNCTION __FUNCSIG__
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#elif defined(__GNUC__)
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#define FULLFUNCTION __PRETTY_FUNCTION__
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#else
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#define FULLFUNCTION __FUNCTION__
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#endif
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#define PLUGIN_LOG_DEBUG(args) MOZ_LOG(GetPluginLog(), mozilla::LogLevel::Debug, args)
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#define PLUGIN_LOG_DEBUG_FUNCTION MOZ_LOG(GetPluginLog(), mozilla::LogLevel::Debug, ("%s", FULLFUNCTION))
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#define PLUGIN_LOG_DEBUG_METHOD MOZ_LOG(GetPluginLog(), mozilla::LogLevel::Debug, ("%s [%p]", FULLFUNCTION, (void*) this))
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/**
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* This is NPByteRange without the linked list.
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*/
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struct IPCByteRange
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{
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int32_t offset;
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uint32_t length;
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};
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typedef nsTArray<IPCByteRange> IPCByteRanges;
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typedef nsCString Buffer;
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struct NPRemoteWindow
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{
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NPRemoteWindow();
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uint64_t window;
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int32_t x;
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int32_t y;
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uint32_t width;
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uint32_t height;
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NPRect clipRect;
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NPWindowType type;
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#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
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VisualID visualID;
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Colormap colormap;
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#endif /* XP_UNIX */
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#if defined(XP_MACOSX)
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double contentsScaleFactor;
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#endif
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};
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#ifdef XP_WIN
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typedef HWND NativeWindowHandle;
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#elif defined(MOZ_X11)
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typedef XID NativeWindowHandle;
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#elif defined(XP_DARWIN) || defined(ANDROID) || defined(MOZ_WIDGET_QT)
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typedef intptr_t NativeWindowHandle; // never actually used, will always be 0
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#else
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#error Need NativeWindowHandle for this platform
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#endif
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#ifdef XP_WIN
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typedef base::SharedMemoryHandle WindowsSharedMemoryHandle;
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typedef HANDLE DXGISharedSurfaceHandle;
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#else
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typedef mozilla::null_t WindowsSharedMemoryHandle;
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typedef mozilla::null_t DXGISharedSurfaceHandle;
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#endif
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// XXX maybe not the best place for these. better one?
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#define VARSTR(v_) case v_: return #v_
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inline const char*
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NPPVariableToString(NPPVariable aVar)
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{
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switch (aVar) {
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VARSTR(NPPVpluginNameString);
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VARSTR(NPPVpluginDescriptionString);
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VARSTR(NPPVpluginWindowBool);
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VARSTR(NPPVpluginTransparentBool);
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VARSTR(NPPVjavaClass);
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VARSTR(NPPVpluginWindowSize);
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VARSTR(NPPVpluginTimerInterval);
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VARSTR(NPPVpluginScriptableInstance);
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VARSTR(NPPVpluginScriptableIID);
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VARSTR(NPPVjavascriptPushCallerBool);
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VARSTR(NPPVpluginKeepLibraryInMemory);
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VARSTR(NPPVpluginNeedsXEmbed);
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VARSTR(NPPVpluginScriptableNPObject);
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VARSTR(NPPVformValue);
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VARSTR(NPPVpluginUrlRequestsDisplayedBool);
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VARSTR(NPPVpluginWantsAllNetworkStreams);
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#ifdef XP_MACOSX
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VARSTR(NPPVpluginDrawingModel);
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VARSTR(NPPVpluginEventModel);
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#endif
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default: return "???";
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}
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}
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inline const char*
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NPNVariableToString(NPNVariable aVar)
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{
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switch(aVar) {
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VARSTR(NPNVxDisplay);
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VARSTR(NPNVxtAppContext);
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VARSTR(NPNVnetscapeWindow);
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VARSTR(NPNVjavascriptEnabledBool);
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VARSTR(NPNVasdEnabledBool);
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VARSTR(NPNVisOfflineBool);
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VARSTR(NPNVserviceManager);
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VARSTR(NPNVDOMElement);
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VARSTR(NPNVDOMWindow);
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VARSTR(NPNVToolkit);
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VARSTR(NPNVSupportsXEmbedBool);
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VARSTR(NPNVWindowNPObject);
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VARSTR(NPNVPluginElementNPObject);
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VARSTR(NPNVSupportsWindowless);
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VARSTR(NPNVprivateModeBool);
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VARSTR(NPNVdocumentOrigin);
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default: return "???";
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}
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}
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#undef VARSTR
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inline bool IsPluginThread()
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{
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MessageLoop* loop = MessageLoop::current();
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if (!loop)
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return false;
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return (loop->type() == MessageLoop::TYPE_UI);
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}
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inline void AssertPluginThread()
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{
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MOZ_RELEASE_ASSERT(IsPluginThread(), "Should be on the plugin's main thread!");
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}
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#define ENSURE_PLUGIN_THREAD(retval) \
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PR_BEGIN_MACRO \
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if (!IsPluginThread()) { \
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NS_WARNING("Not running on the plugin's main thread!"); \
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return (retval); \
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} \
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PR_END_MACRO
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#define ENSURE_PLUGIN_THREAD_VOID() \
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PR_BEGIN_MACRO \
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if (!IsPluginThread()) { \
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NS_WARNING("Not running on the plugin's main thread!"); \
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return; \
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} \
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PR_END_MACRO
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void DeferNPObjectLastRelease(const NPNetscapeFuncs* f, NPObject* o);
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void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v);
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inline bool IsDrawingModelDirect(int16_t aModel)
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{
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return aModel == NPDrawingModelAsyncBitmapSurface
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#if defined(XP_WIN)
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|| aModel == NPDrawingModelAsyncWindowsDXGISurface
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#endif
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;
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}
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// in NPAPI, char* == nullptr is sometimes meaningful. the following is
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// helper code for dealing with nullable nsCString's
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inline nsCString
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NullableString(const char* aString)
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{
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if (!aString) {
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nsCString str;
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str.SetIsVoid(true);
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return str;
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}
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return nsCString(aString);
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}
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inline const char*
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NullableStringGet(const nsCString& str)
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{
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if (str.IsVoid())
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return nullptr;
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return str.get();
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}
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struct DeletingObjectEntry : public nsPtrHashKey<NPObject>
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{
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explicit DeletingObjectEntry(const NPObject* key)
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: nsPtrHashKey<NPObject>(key)
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, mDeleted(false)
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{ }
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bool mDeleted;
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};
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} /* namespace plugins */
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} /* namespace mozilla */
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namespace IPC {
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template <>
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struct ParamTraits<NPRect>
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{
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typedef NPRect paramType;
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static void Write(Message* aMsg, const paramType& aParam)
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{
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WriteParam(aMsg, aParam.top);
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WriteParam(aMsg, aParam.left);
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WriteParam(aMsg, aParam.bottom);
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WriteParam(aMsg, aParam.right);
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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uint16_t top, left, bottom, right;
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if (ReadParam(aMsg, aIter, &top) &&
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ReadParam(aMsg, aIter, &left) &&
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ReadParam(aMsg, aIter, &bottom) &&
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ReadParam(aMsg, aIter, &right)) {
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aResult->top = top;
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aResult->left = left;
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aResult->bottom = bottom;
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aResult->right = right;
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return true;
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}
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return false;
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}
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static void Log(const paramType& aParam, std::wstring* aLog)
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{
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aLog->append(StringPrintf(L"[%u, %u, %u, %u]", aParam.top, aParam.left,
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aParam.bottom, aParam.right));
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}
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};
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template <>
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struct ParamTraits<NPWindowType>
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{
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typedef NPWindowType paramType;
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static void Write(Message* aMsg, const paramType& aParam)
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{
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aMsg->WriteInt16(int16_t(aParam));
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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int16_t result;
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if (aMsg->ReadInt16(aIter, &result)) {
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*aResult = paramType(result);
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return true;
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}
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return false;
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}
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static void Log(const paramType& aParam, std::wstring* aLog)
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{
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aLog->append(StringPrintf(L"%d", int16_t(aParam)));
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}
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};
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template <>
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struct ParamTraits<mozilla::plugins::NPRemoteWindow>
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{
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typedef mozilla::plugins::NPRemoteWindow paramType;
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static void Write(Message* aMsg, const paramType& aParam)
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{
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aMsg->WriteUInt64(aParam.window);
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WriteParam(aMsg, aParam.x);
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WriteParam(aMsg, aParam.y);
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WriteParam(aMsg, aParam.width);
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WriteParam(aMsg, aParam.height);
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WriteParam(aMsg, aParam.clipRect);
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WriteParam(aMsg, aParam.type);
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#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
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aMsg->WriteULong(aParam.visualID);
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aMsg->WriteULong(aParam.colormap);
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#endif
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#if defined(XP_MACOSX)
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aMsg->WriteDouble(aParam.contentsScaleFactor);
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#endif
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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uint64_t window;
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int32_t x, y;
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uint32_t width, height;
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NPRect clipRect;
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NPWindowType type;
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if (!(aMsg->ReadUInt64(aIter, &window) &&
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ReadParam(aMsg, aIter, &x) &&
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ReadParam(aMsg, aIter, &y) &&
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ReadParam(aMsg, aIter, &width) &&
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ReadParam(aMsg, aIter, &height) &&
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ReadParam(aMsg, aIter, &clipRect) &&
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ReadParam(aMsg, aIter, &type)))
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return false;
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#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
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unsigned long visualID;
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unsigned long colormap;
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if (!(aMsg->ReadULong(aIter, &visualID) &&
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aMsg->ReadULong(aIter, &colormap)))
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return false;
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#endif
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#if defined(XP_MACOSX)
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double contentsScaleFactor;
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if (!aMsg->ReadDouble(aIter, &contentsScaleFactor))
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return false;
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#endif
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aResult->window = window;
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aResult->x = x;
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aResult->y = y;
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aResult->width = width;
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aResult->height = height;
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aResult->clipRect = clipRect;
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aResult->type = type;
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#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
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aResult->visualID = visualID;
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aResult->colormap = colormap;
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#endif
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#if defined(XP_MACOSX)
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aResult->contentsScaleFactor = contentsScaleFactor;
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#endif
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return true;
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}
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static void Log(const paramType& aParam, std::wstring* aLog)
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{
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aLog->append(StringPrintf(L"[%u, %d, %d, %u, %u, %d",
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(unsigned long)aParam.window,
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aParam.x, aParam.y, aParam.width,
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aParam.height, (long)aParam.type));
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}
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};
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#ifdef XP_MACOSX
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template <>
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struct ParamTraits<NPNSString*>
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{
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typedef NPNSString* paramType;
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// Empty string writes a length of 0 and no buffer.
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// We don't write a nullptr terminating character in buffers.
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static void Write(Message* aMsg, const paramType& aParam)
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{
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CFStringRef cfString = (CFStringRef)aParam;
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// Write true if we have a string, false represents nullptr.
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aMsg->WriteBool(!!cfString);
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if (!cfString) {
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return;
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}
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long length = ::CFStringGetLength(cfString);
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WriteParam(aMsg, length);
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if (length == 0) {
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return;
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}
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// Attempt to get characters without any allocation/conversion.
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if (::CFStringGetCharactersPtr(cfString)) {
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aMsg->WriteBytes(::CFStringGetCharactersPtr(cfString), length * sizeof(UniChar));
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} else {
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UniChar *buffer = (UniChar*)moz_xmalloc(length * sizeof(UniChar));
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::CFStringGetCharacters(cfString, ::CFRangeMake(0, length), buffer);
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aMsg->WriteBytes(buffer, length * sizeof(UniChar));
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free(buffer);
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}
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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bool haveString = false;
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if (!aMsg->ReadBool(aIter, &haveString)) {
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return false;
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}
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if (!haveString) {
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*aResult = nullptr;
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return true;
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}
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long length;
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if (!ReadParam(aMsg, aIter, &length)) {
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return false;
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}
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UniChar* buffer = nullptr;
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if (length != 0) {
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if (!aMsg->ReadBytes(aIter, (const char**)&buffer, length * sizeof(UniChar)) ||
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!buffer) {
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return false;
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}
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}
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*aResult = (NPNSString*)::CFStringCreateWithBytes(kCFAllocatorDefault, (UInt8*)buffer,
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length * sizeof(UniChar),
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kCFStringEncodingUTF16, false);
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if (!*aResult) {
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return false;
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}
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return true;
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}
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};
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#endif
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#ifdef XP_MACOSX
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template <>
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struct ParamTraits<NSCursorInfo>
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{
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typedef NSCursorInfo paramType;
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static void Write(Message* aMsg, const paramType& aParam)
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{
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NSCursorInfo::Type type = aParam.GetType();
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aMsg->WriteInt(type);
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nsPoint hotSpot = aParam.GetHotSpot();
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WriteParam(aMsg, hotSpot.x);
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WriteParam(aMsg, hotSpot.y);
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uint32_t dataLength = aParam.GetCustomImageDataLength();
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WriteParam(aMsg, dataLength);
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if (dataLength == 0) {
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return;
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}
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uint8_t* buffer = (uint8_t*)moz_xmalloc(dataLength);
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memcpy(buffer, aParam.GetCustomImageData(), dataLength);
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aMsg->WriteBytes(buffer, dataLength);
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free(buffer);
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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NSCursorInfo::Type type;
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if (!aMsg->ReadInt(aIter, (int*)&type)) {
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return false;
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}
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nscoord hotSpotX, hotSpotY;
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if (!ReadParam(aMsg, aIter, &hotSpotX) ||
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!ReadParam(aMsg, aIter, &hotSpotY)) {
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return false;
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}
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uint32_t dataLength;
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if (!ReadParam(aMsg, aIter, &dataLength)) {
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return false;
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}
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uint8_t* data = nullptr;
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if (dataLength != 0) {
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if (!aMsg->ReadBytes(aIter, (const char**)&data, dataLength) || !data) {
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return false;
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}
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}
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aResult->SetType(type);
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aResult->SetHotSpot(nsPoint(hotSpotX, hotSpotY));
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aResult->SetCustomImageData(data, dataLength);
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return true;
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}
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static void Log(const paramType& aParam, std::wstring* aLog)
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{
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const char* typeName = aParam.GetTypeName();
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nsPoint hotSpot = aParam.GetHotSpot();
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int hotSpotX, hotSpotY;
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#ifdef NS_COORD_IS_FLOAT
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hotSpotX = rint(hotSpot.x);
|
|
hotSpotY = rint(hotSpot.y);
|
|
#else
|
|
hotSpotX = hotSpot.x;
|
|
hotSpotY = hotSpot.y;
|
|
#endif
|
|
uint32_t dataLength = aParam.GetCustomImageDataLength();
|
|
uint8_t* data = aParam.GetCustomImageData();
|
|
|
|
aLog->append(StringPrintf(L"[%s, (%i %i), %u, %p]",
|
|
typeName, hotSpotX, hotSpotY, dataLength, data));
|
|
}
|
|
};
|
|
#else
|
|
template<>
|
|
struct ParamTraits<NSCursorInfo>
|
|
{
|
|
typedef NSCursorInfo paramType;
|
|
static void Write(Message* aMsg, const paramType& aParam) {
|
|
NS_RUNTIMEABORT("NSCursorInfo isn't meaningful on this platform");
|
|
}
|
|
static bool Read(const Message* aMsg, void** aIter, paramType* aResult) {
|
|
NS_RUNTIMEABORT("NSCursorInfo isn't meaningful on this platform");
|
|
return false;
|
|
}
|
|
};
|
|
#endif // #ifdef XP_MACOSX
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::plugins::IPCByteRange>
|
|
{
|
|
typedef mozilla::plugins::IPCByteRange paramType;
|
|
|
|
static void Write(Message* aMsg, const paramType& aParam)
|
|
{
|
|
WriteParam(aMsg, aParam.offset);
|
|
WriteParam(aMsg, aParam.length);
|
|
}
|
|
|
|
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
|
|
{
|
|
paramType p;
|
|
if (ReadParam(aMsg, aIter, &p.offset) &&
|
|
ReadParam(aMsg, aIter, &p.length)) {
|
|
*aResult = p;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct ParamTraits<NPNVariable>
|
|
{
|
|
typedef NPNVariable paramType;
|
|
|
|
static void Write(Message* aMsg, const paramType& aParam)
|
|
{
|
|
WriteParam(aMsg, int(aParam));
|
|
}
|
|
|
|
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
|
|
{
|
|
int intval;
|
|
if (ReadParam(aMsg, aIter, &intval)) {
|
|
*aResult = paramType(intval);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ParamTraits<NPNURLVariable>
|
|
{
|
|
typedef NPNURLVariable paramType;
|
|
|
|
static void Write(Message* aMsg, const paramType& aParam)
|
|
{
|
|
WriteParam(aMsg, int(aParam));
|
|
}
|
|
|
|
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
|
|
{
|
|
int intval;
|
|
if (ReadParam(aMsg, aIter, &intval)) {
|
|
switch (intval) {
|
|
case NPNURLVCookie:
|
|
case NPNURLVProxy:
|
|
*aResult = paramType(intval);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
|
|
template<>
|
|
struct ParamTraits<NPCoordinateSpace>
|
|
{
|
|
typedef NPCoordinateSpace paramType;
|
|
|
|
static void Write(Message* aMsg, const paramType& aParam)
|
|
{
|
|
WriteParam(aMsg, int32_t(aParam));
|
|
}
|
|
|
|
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
|
|
{
|
|
int32_t intval;
|
|
if (ReadParam(aMsg, aIter, &intval)) {
|
|
switch (intval) {
|
|
case NPCoordinateSpacePlugin:
|
|
case NPCoordinateSpaceWindow:
|
|
case NPCoordinateSpaceFlippedWindow:
|
|
case NPCoordinateSpaceScreen:
|
|
case NPCoordinateSpaceFlippedScreen:
|
|
*aResult = paramType(intval);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
} /* namespace IPC */
|
|
|
|
|
|
// Serializing NPEvents is completely platform-specific and can be rather
|
|
// intricate depending on the platform. So for readability we split it
|
|
// into separate files and have the only macro crud live here.
|
|
//
|
|
// NB: these guards are based on those where struct NPEvent is defined
|
|
// in npapi.h. They should be kept in sync.
|
|
#if defined(XP_MACOSX)
|
|
# include "mozilla/plugins/NPEventOSX.h"
|
|
#elif defined(XP_WIN)
|
|
# include "mozilla/plugins/NPEventWindows.h"
|
|
#elif defined(ANDROID)
|
|
# include "mozilla/plugins/NPEventAndroid.h"
|
|
#elif defined(XP_UNIX)
|
|
# include "mozilla/plugins/NPEventUnix.h"
|
|
#else
|
|
# error Unsupported platform
|
|
#endif
|
|
|
|
#endif /* DOM_PLUGINS_PLUGINMESSAGEUTILS_H */
|