michael@0: /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
michael@0: /* vim: set sw=2 ts=8 et tw=80 : */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "PluginMessageUtils.h"
michael@0: #include "nsIRunnable.h"
michael@0: #include "nsThreadUtils.h"
michael@0: 
michael@0: #include "PluginInstanceParent.h"
michael@0: #include "PluginInstanceChild.h"
michael@0: #include "PluginScriptableObjectParent.h"
michael@0: #include "PluginScriptableObjectChild.h"
michael@0: 
michael@0: using std::string;
michael@0: 
michael@0: using mozilla::ipc::MessageChannel;
michael@0: 
michael@0: namespace {
michael@0: 
michael@0: class DeferNPObjectReleaseRunnable : public nsRunnable
michael@0: {
michael@0: public:
michael@0:   DeferNPObjectReleaseRunnable(const NPNetscapeFuncs* f, NPObject* o)
michael@0:     : mFuncs(f)
michael@0:     , mObject(o)
michael@0:   {
michael@0:     NS_ASSERTION(o, "no release null objects");
michael@0:   }
michael@0: 
michael@0:   NS_IMETHOD Run();
michael@0: 
michael@0: private:
michael@0:   const NPNetscapeFuncs* mFuncs;
michael@0:   NPObject* mObject;
michael@0: };
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: DeferNPObjectReleaseRunnable::Run()
michael@0: {
michael@0:   mFuncs->releaseobject(mObject);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: } // anonymous namespace
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace plugins {
michael@0: 
michael@0: NPRemoteWindow::NPRemoteWindow() :
michael@0:   window(0), x(0), y(0), width(0), height(0), type(NPWindowTypeDrawable)
michael@0: #if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
michael@0:   , visualID(0)
michael@0:   , colormap(0)
michael@0: #endif /* XP_UNIX */
michael@0: #if defined(XP_WIN)
michael@0:   ,surfaceHandle(0)
michael@0: #endif
michael@0: #if defined(XP_MACOSX)
michael@0:   ,contentsScaleFactor(1.0)
michael@0: #endif
michael@0: {
michael@0:   clipRect.top = 0;
michael@0:   clipRect.left = 0;
michael@0:   clipRect.bottom = 0;
michael@0:   clipRect.right = 0;
michael@0: }
michael@0: 
michael@0: ipc::RacyInterruptPolicy
michael@0: MediateRace(const MessageChannel::Message& parent,
michael@0:             const MessageChannel::Message& child)
michael@0: {
michael@0:   switch (parent.type()) {
michael@0:   case PPluginInstance::Msg_Paint__ID:
michael@0:   case PPluginInstance::Msg_NPP_SetWindow__ID:
michael@0:   case PPluginInstance::Msg_NPP_HandleEvent_Shmem__ID:
michael@0:   case PPluginInstance::Msg_NPP_HandleEvent_IOSurface__ID:
michael@0:     // our code relies on the frame list not changing during paints and
michael@0:     // reflows
michael@0:     return ipc::RIPParentWins;
michael@0: 
michael@0:   default:
michael@0:     return ipc::RIPChildWins;
michael@0:   }
michael@0: }
michael@0: 
michael@0: #if defined(OS_LINUX)
michael@0: static string
michael@0: ReplaceAll(const string& haystack, const string& needle, const string& with)
michael@0: {
michael@0:   string munged = haystack;
michael@0:   string::size_type i = 0;
michael@0: 
michael@0:   while (string::npos != (i = munged.find(needle, i))) {
michael@0:     munged.replace(i, needle.length(), with);
michael@0:     i += with.length();
michael@0:   }
michael@0: 
michael@0:   return munged;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: string
michael@0: MungePluginDsoPath(const string& path)
michael@0: {
michael@0: #if defined(OS_LINUX)
michael@0:   // https://bugzilla.mozilla.org/show_bug.cgi?id=519601
michael@0:   return ReplaceAll(path, "netscape", "netsc@pe");
michael@0: #else
michael@0:   return path;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: string
michael@0: UnmungePluginDsoPath(const string& munged)
michael@0: {
michael@0: #if defined(OS_LINUX)
michael@0:   return ReplaceAll(munged, "netsc@pe", "netscape");
michael@0: #else
michael@0:   return munged;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: 
michael@0: PRLogModuleInfo*
michael@0: GetPluginLog()
michael@0: {
michael@0:   static PRLogModuleInfo *sLog;
michael@0:   if (!sLog)
michael@0:     sLog = PR_NewLogModule("IPCPlugins");
michael@0:   return sLog;
michael@0: }
michael@0: 
michael@0: void
michael@0: DeferNPObjectLastRelease(const NPNetscapeFuncs* f, NPObject* o)
michael@0: {
michael@0:   if (!o)
michael@0:     return;
michael@0: 
michael@0:   if (o->referenceCount > 1) {
michael@0:     f->releaseobject(o);
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   NS_DispatchToCurrentThread(new DeferNPObjectReleaseRunnable(f, o));
michael@0: }
michael@0: 
michael@0: void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v)
michael@0: {
michael@0:   if (!NPVARIANT_IS_OBJECT(*v)) {
michael@0:     f->releasevariantvalue(v);
michael@0:     return;
michael@0:   }
michael@0:   DeferNPObjectLastRelease(f, v->value.objectValue);
michael@0:   VOID_TO_NPVARIANT(*v);
michael@0: }
michael@0: 
michael@0: #ifdef XP_WIN
michael@0: 
michael@0: // The private event used for double-pass widgetless plugin rendering.
michael@0: UINT DoublePassRenderingEvent()
michael@0: {
michael@0:   static UINT gEventID = 0;
michael@0:   if (!gEventID)
michael@0:     gEventID = ::RegisterWindowMessage(L"MozDoublePassMsg");
michael@0:   return gEventID;
michael@0: }
michael@0: 
michael@0: #endif
michael@0: 
michael@0: } // namespace plugins
michael@0: } // namespace mozilla