mirror of
https://github.com/mozilla/gecko-dev.git
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164 lines
3.5 KiB
C++
164 lines
3.5 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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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 "PluginMessageUtils.h"
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#include "nsIRunnable.h"
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#include "nsThreadUtils.h"
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#include "PluginInstanceParent.h"
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#include "PluginInstanceChild.h"
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#include "PluginScriptableObjectParent.h"
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#include "PluginScriptableObjectChild.h"
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using std::string;
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using mozilla::ipc::RPCChannel;
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namespace {
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class DeferNPObjectReleaseRunnable : public nsRunnable
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{
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public:
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DeferNPObjectReleaseRunnable(const NPNetscapeFuncs* f, NPObject* o)
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: mFuncs(f)
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, mObject(o)
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{
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NS_ASSERTION(o, "no release null objects");
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}
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NS_IMETHOD Run();
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private:
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const NPNetscapeFuncs* mFuncs;
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NPObject* mObject;
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};
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NS_IMETHODIMP
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DeferNPObjectReleaseRunnable::Run()
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{
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mFuncs->releaseobject(mObject);
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return NS_OK;
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}
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} // anonymous namespace
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namespace mozilla {
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namespace plugins {
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NPRemoteWindow::NPRemoteWindow() :
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window(0), x(0), y(0), width(0), height(0), type(NPWindowTypeDrawable)
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#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
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, visualID(0)
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, colormap(0)
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#endif /* XP_UNIX */
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#if defined(XP_WIN)
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,surfaceHandle(0)
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#endif
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{
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clipRect.top = 0;
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clipRect.left = 0;
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clipRect.bottom = 0;
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clipRect.right = 0;
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}
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RPCChannel::RacyRPCPolicy
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MediateRace(const RPCChannel::Message& parent,
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const RPCChannel::Message& child)
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{
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switch (parent.type()) {
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case PPluginInstance::Msg_Paint__ID:
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case PPluginInstance::Msg_NPP_SetWindow__ID:
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case PPluginInstance::Msg_NPP_HandleEvent_Shmem__ID:
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case PPluginInstance::Msg_NPP_HandleEvent_IOSurface__ID:
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// our code relies on the frame list not changing during paints and
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// reflows
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return RPCChannel::RRPParentWins;
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default:
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return RPCChannel::RRPChildWins;
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}
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}
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#if defined(OS_LINUX)
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static string
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ReplaceAll(const string& haystack, const string& needle, const string& with)
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{
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string munged = haystack;
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string::size_type i = 0;
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while (string::npos != (i = munged.find(needle, i))) {
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munged.replace(i, needle.length(), with);
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i += with.length();
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}
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return munged;
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}
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#endif
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string
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MungePluginDsoPath(const string& path)
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{
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#if defined(OS_LINUX)
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// https://bugzilla.mozilla.org/show_bug.cgi?id=519601
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return ReplaceAll(path, "netscape", "netsc@pe");
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#else
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return path;
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#endif
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}
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string
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UnmungePluginDsoPath(const string& munged)
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{
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#if defined(OS_LINUX)
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return ReplaceAll(munged, "netsc@pe", "netscape");
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#else
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return munged;
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#endif
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}
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PRLogModuleInfo* gPluginLog = PR_NewLogModule("IPCPlugins");
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void
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DeferNPObjectLastRelease(const NPNetscapeFuncs* f, NPObject* o)
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{
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if (!o)
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return;
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if (o->referenceCount > 1) {
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f->releaseobject(o);
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return;
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}
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NS_DispatchToCurrentThread(new DeferNPObjectReleaseRunnable(f, o));
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}
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void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v)
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{
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if (!NPVARIANT_IS_OBJECT(*v)) {
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f->releasevariantvalue(v);
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return;
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}
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DeferNPObjectLastRelease(f, v->value.objectValue);
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VOID_TO_NPVARIANT(*v);
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}
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#ifdef XP_WIN
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// The private event used for double-pass widgetless plugin rendering.
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UINT DoublePassRenderingEvent()
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{
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static UINT gEventID = 0;
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if (!gEventID)
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gEventID = ::RegisterWindowMessage(L"MozDoublePassMsg");
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return gEventID;
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}
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#endif
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} // namespace plugins
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} // namespace mozilla
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