1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginMessageUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,173 @@
1.4 +/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
1.5 +/* vim: set sw=2 ts=8 et tw=80 : */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "PluginMessageUtils.h"
1.11 +#include "nsIRunnable.h"
1.12 +#include "nsThreadUtils.h"
1.13 +
1.14 +#include "PluginInstanceParent.h"
1.15 +#include "PluginInstanceChild.h"
1.16 +#include "PluginScriptableObjectParent.h"
1.17 +#include "PluginScriptableObjectChild.h"
1.18 +
1.19 +using std::string;
1.20 +
1.21 +using mozilla::ipc::MessageChannel;
1.22 +
1.23 +namespace {
1.24 +
1.25 +class DeferNPObjectReleaseRunnable : public nsRunnable
1.26 +{
1.27 +public:
1.28 + DeferNPObjectReleaseRunnable(const NPNetscapeFuncs* f, NPObject* o)
1.29 + : mFuncs(f)
1.30 + , mObject(o)
1.31 + {
1.32 + NS_ASSERTION(o, "no release null objects");
1.33 + }
1.34 +
1.35 + NS_IMETHOD Run();
1.36 +
1.37 +private:
1.38 + const NPNetscapeFuncs* mFuncs;
1.39 + NPObject* mObject;
1.40 +};
1.41 +
1.42 +NS_IMETHODIMP
1.43 +DeferNPObjectReleaseRunnable::Run()
1.44 +{
1.45 + mFuncs->releaseobject(mObject);
1.46 + return NS_OK;
1.47 +}
1.48 +
1.49 +} // anonymous namespace
1.50 +
1.51 +namespace mozilla {
1.52 +namespace plugins {
1.53 +
1.54 +NPRemoteWindow::NPRemoteWindow() :
1.55 + window(0), x(0), y(0), width(0), height(0), type(NPWindowTypeDrawable)
1.56 +#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
1.57 + , visualID(0)
1.58 + , colormap(0)
1.59 +#endif /* XP_UNIX */
1.60 +#if defined(XP_WIN)
1.61 + ,surfaceHandle(0)
1.62 +#endif
1.63 +#if defined(XP_MACOSX)
1.64 + ,contentsScaleFactor(1.0)
1.65 +#endif
1.66 +{
1.67 + clipRect.top = 0;
1.68 + clipRect.left = 0;
1.69 + clipRect.bottom = 0;
1.70 + clipRect.right = 0;
1.71 +}
1.72 +
1.73 +ipc::RacyInterruptPolicy
1.74 +MediateRace(const MessageChannel::Message& parent,
1.75 + const MessageChannel::Message& child)
1.76 +{
1.77 + switch (parent.type()) {
1.78 + case PPluginInstance::Msg_Paint__ID:
1.79 + case PPluginInstance::Msg_NPP_SetWindow__ID:
1.80 + case PPluginInstance::Msg_NPP_HandleEvent_Shmem__ID:
1.81 + case PPluginInstance::Msg_NPP_HandleEvent_IOSurface__ID:
1.82 + // our code relies on the frame list not changing during paints and
1.83 + // reflows
1.84 + return ipc::RIPParentWins;
1.85 +
1.86 + default:
1.87 + return ipc::RIPChildWins;
1.88 + }
1.89 +}
1.90 +
1.91 +#if defined(OS_LINUX)
1.92 +static string
1.93 +ReplaceAll(const string& haystack, const string& needle, const string& with)
1.94 +{
1.95 + string munged = haystack;
1.96 + string::size_type i = 0;
1.97 +
1.98 + while (string::npos != (i = munged.find(needle, i))) {
1.99 + munged.replace(i, needle.length(), with);
1.100 + i += with.length();
1.101 + }
1.102 +
1.103 + return munged;
1.104 +}
1.105 +#endif
1.106 +
1.107 +string
1.108 +MungePluginDsoPath(const string& path)
1.109 +{
1.110 +#if defined(OS_LINUX)
1.111 + // https://bugzilla.mozilla.org/show_bug.cgi?id=519601
1.112 + return ReplaceAll(path, "netscape", "netsc@pe");
1.113 +#else
1.114 + return path;
1.115 +#endif
1.116 +}
1.117 +
1.118 +string
1.119 +UnmungePluginDsoPath(const string& munged)
1.120 +{
1.121 +#if defined(OS_LINUX)
1.122 + return ReplaceAll(munged, "netsc@pe", "netscape");
1.123 +#else
1.124 + return munged;
1.125 +#endif
1.126 +}
1.127 +
1.128 +
1.129 +PRLogModuleInfo*
1.130 +GetPluginLog()
1.131 +{
1.132 + static PRLogModuleInfo *sLog;
1.133 + if (!sLog)
1.134 + sLog = PR_NewLogModule("IPCPlugins");
1.135 + return sLog;
1.136 +}
1.137 +
1.138 +void
1.139 +DeferNPObjectLastRelease(const NPNetscapeFuncs* f, NPObject* o)
1.140 +{
1.141 + if (!o)
1.142 + return;
1.143 +
1.144 + if (o->referenceCount > 1) {
1.145 + f->releaseobject(o);
1.146 + return;
1.147 + }
1.148 +
1.149 + NS_DispatchToCurrentThread(new DeferNPObjectReleaseRunnable(f, o));
1.150 +}
1.151 +
1.152 +void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v)
1.153 +{
1.154 + if (!NPVARIANT_IS_OBJECT(*v)) {
1.155 + f->releasevariantvalue(v);
1.156 + return;
1.157 + }
1.158 + DeferNPObjectLastRelease(f, v->value.objectValue);
1.159 + VOID_TO_NPVARIANT(*v);
1.160 +}
1.161 +
1.162 +#ifdef XP_WIN
1.163 +
1.164 +// The private event used for double-pass widgetless plugin rendering.
1.165 +UINT DoublePassRenderingEvent()
1.166 +{
1.167 + static UINT gEventID = 0;
1.168 + if (!gEventID)
1.169 + gEventID = ::RegisterWindowMessage(L"MozDoublePassMsg");
1.170 + return gEventID;
1.171 +}
1.172 +
1.173 +#endif
1.174 +
1.175 +} // namespace plugins
1.176 +} // namespace mozilla
