The Tor Browser / file comparison
comparison: dom/plugins/ipc/PluginMessageUtils.cpp
dom/plugins/ipc/PluginMessageUtils.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:c1c8960b07cc |
|---|---|
| 1 /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */ | |
| 2 /* vim: set sw=2 ts=8 et tw=80 : */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "PluginMessageUtils.h" | |
| 8 #include "nsIRunnable.h" | |
| 9 #include "nsThreadUtils.h" | |
| 10 | |
| 11 #include "PluginInstanceParent.h" | |
| 12 #include "PluginInstanceChild.h" | |
| 13 #include "PluginScriptableObjectParent.h" | |
| 14 #include "PluginScriptableObjectChild.h" | |
| 15 | |
| 16 using std::string; | |
| 17 | |
| 18 using mozilla::ipc::MessageChannel; | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 class DeferNPObjectReleaseRunnable : public nsRunnable | |
| 23 { | |
| 24 public: | |
| 25 DeferNPObjectReleaseRunnable(const NPNetscapeFuncs* f, NPObject* o) | |
| 26 : mFuncs(f) | |
| 27 , mObject(o) | |
| 28 { | |
| 29 NS_ASSERTION(o, "no release null objects"); | |
| 30 } | |
| 31 | |
| 32 NS_IMETHOD Run(); | |
| 33 | |
| 34 private: | |
| 35 const NPNetscapeFuncs* mFuncs; | |
| 36 NPObject* mObject; | |
| 37 }; | |
| 38 | |
| 39 NS_IMETHODIMP | |
| 40 DeferNPObjectReleaseRunnable::Run() | |
| 41 { | |
| 42 mFuncs->releaseobject(mObject); | |
| 43 return NS_OK; | |
| 44 } | |
| 45 | |
| 46 } // anonymous namespace | |
| 47 | |
| 48 namespace mozilla { | |
| 49 namespace plugins { | |
| 50 | |
| 51 NPRemoteWindow::NPRemoteWindow() : | |
| 52 window(0), x(0), y(0), width(0), height(0), type(NPWindowTypeDrawable) | |
| 53 #if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX) | |
| 54 , visualID(0) | |
| 55 , colormap(0) | |
| 56 #endif /* XP_UNIX */ | |
| 57 #if defined(XP_WIN) | |
| 58 ,surfaceHandle(0) | |
| 59 #endif | |
| 60 #if defined(XP_MACOSX) | |
| 61 ,contentsScaleFactor(1.0) | |
| 62 #endif | |
| 63 { | |
| 64 clipRect.top = 0; | |
| 65 clipRect.left = 0; | |
| 66 clipRect.bottom = 0; | |
| 67 clipRect.right = 0; | |
| 68 } | |
| 69 | |
| 70 ipc::RacyInterruptPolicy | |
| 71 MediateRace(const MessageChannel::Message& parent, | |
| 72 const MessageChannel::Message& child) | |
| 73 { | |
| 74 switch (parent.type()) { | |
| 75 case PPluginInstance::Msg_Paint__ID: | |
| 76 case PPluginInstance::Msg_NPP_SetWindow__ID: | |
| 77 case PPluginInstance::Msg_NPP_HandleEvent_Shmem__ID: | |
| 78 case PPluginInstance::Msg_NPP_HandleEvent_IOSurface__ID: | |
| 79 // our code relies on the frame list not changing during paints and | |
| 80 // reflows | |
| 81 return ipc::RIPParentWins; | |
| 82 | |
| 83 default: | |
| 84 return ipc::RIPChildWins; | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 #if defined(OS_LINUX) | |
| 89 static string | |
| 90 ReplaceAll(const string& haystack, const string& needle, const string& with) | |
| 91 { | |
| 92 string munged = haystack; | |
| 93 string::size_type i = 0; | |
| 94 | |
| 95 while (string::npos != (i = munged.find(needle, i))) { | |
| 96 munged.replace(i, needle.length(), with); | |
| 97 i += with.length(); | |
| 98 } | |
| 99 | |
| 100 return munged; | |
| 101 } | |
| 102 #endif | |
| 103 | |
| 104 string | |
| 105 MungePluginDsoPath(const string& path) | |
| 106 { | |
| 107 #if defined(OS_LINUX) | |
| 108 // https://bugzilla.mozilla.org/show_bug.cgi?id=519601 | |
| 109 return ReplaceAll(path, "netscape", "netsc@pe"); | |
| 110 #else | |
| 111 return path; | |
| 112 #endif | |
| 113 } | |
| 114 | |
| 115 string | |
| 116 UnmungePluginDsoPath(const string& munged) | |
| 117 { | |
| 118 #if defined(OS_LINUX) | |
| 119 return ReplaceAll(munged, "netsc@pe", "netscape"); | |
| 120 #else | |
| 121 return munged; | |
| 122 #endif | |
| 123 } | |
| 124 | |
| 125 | |
| 126 PRLogModuleInfo* | |
| 127 GetPluginLog() | |
| 128 { | |
| 129 static PRLogModuleInfo *sLog; | |
| 130 if (!sLog) | |
| 131 sLog = PR_NewLogModule("IPCPlugins"); | |
| 132 return sLog; | |
| 133 } | |
| 134 | |
| 135 void | |
| 136 DeferNPObjectLastRelease(const NPNetscapeFuncs* f, NPObject* o) | |
| 137 { | |
| 138 if (!o) | |
| 139 return; | |
| 140 | |
| 141 if (o->referenceCount > 1) { | |
| 142 f->releaseobject(o); | |
| 143 return; | |
| 144 } | |
| 145 | |
| 146 NS_DispatchToCurrentThread(new DeferNPObjectReleaseRunnable(f, o)); | |
| 147 } | |
| 148 | |
| 149 void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v) | |
| 150 { | |
| 151 if (!NPVARIANT_IS_OBJECT(*v)) { | |
| 152 f->releasevariantvalue(v); | |
| 153 return; | |
| 154 } | |
| 155 DeferNPObjectLastRelease(f, v->value.objectValue); | |
| 156 VOID_TO_NPVARIANT(*v); | |
| 157 } | |
| 158 | |
| 159 #ifdef XP_WIN | |
| 160 | |
| 161 // The private event used for double-pass widgetless plugin rendering. | |
| 162 UINT DoublePassRenderingEvent() | |
| 163 { | |
| 164 static UINT gEventID = 0; | |
| 165 if (!gEventID) | |
| 166 gEventID = ::RegisterWindowMessage(L"MozDoublePassMsg"); | |
| 167 return gEventID; | |
| 168 } | |
| 169 | |
| 170 #endif | |
| 171 | |
| 172 } // namespace plugins | |
| 173 } // namespace mozilla |
