gecko/dom/plugins/ipc/PluginProcessParent.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 et :
2012-05-21 04:12:37 -07:00
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/plugins/PluginProcessParent.h"
#include "base/string_util.h"
#include "base/process_util.h"
#include "mozilla/ipc/BrowserProcessSubThread.h"
#include "mozilla/plugins/PluginMessageUtils.h"
using std::vector;
using std::string;
using mozilla::ipc::BrowserProcessSubThread;
using mozilla::ipc::GeckoChildProcessHost;
using mozilla::plugins::PluginProcessParent;
using base::ProcessArchitecture;
template<>
struct RunnableMethodTraits<PluginProcessParent>
{
static void RetainCallee(PluginProcessParent* obj) { }
static void ReleaseCallee(PluginProcessParent* obj) { }
};
PluginProcessParent::PluginProcessParent(const std::string& aPluginFilePath) :
GeckoChildProcessHost(GeckoProcessType_Plugin),
mPluginFilePath(aPluginFilePath)
{
}
PluginProcessParent::~PluginProcessParent()
{
}
bool
PluginProcessParent::Launch(int32_t timeoutMs)
{
ProcessArchitecture currentArchitecture = base::GetCurrentProcessArchitecture();
uint32_t containerArchitectures = GetSupportedArchitecturesForProcessType(GeckoProcessType_Plugin);
uint32_t pluginLibArchitectures = currentArchitecture;
#ifdef XP_MACOSX
nsresult rv = GetArchitecturesForBinary(mPluginFilePath.c_str(), &pluginLibArchitectures);
if (NS_FAILED(rv)) {
// If the call failed just assume that we want the current architecture.
pluginLibArchitectures = currentArchitecture;
}
#endif
ProcessArchitecture selectedArchitecture = currentArchitecture;
if (!(pluginLibArchitectures & containerArchitectures & currentArchitecture)) {
// Prefererence in order: x86_64, i386, PPC. The only particularly important thing
// about this order is that we'll prefer 64-bit architectures first.
if (base::PROCESS_ARCH_X86_64 & pluginLibArchitectures & containerArchitectures) {
selectedArchitecture = base::PROCESS_ARCH_X86_64;
}
else if (base::PROCESS_ARCH_I386 & pluginLibArchitectures & containerArchitectures) {
selectedArchitecture = base::PROCESS_ARCH_I386;
}
else if (base::PROCESS_ARCH_PPC & pluginLibArchitectures & containerArchitectures) {
selectedArchitecture = base::PROCESS_ARCH_PPC;
}
else if (base::PROCESS_ARCH_ARM & pluginLibArchitectures & containerArchitectures) {
selectedArchitecture = base::PROCESS_ARCH_ARM;
}
else {
return false;
}
}
vector<string> args;
args.push_back(MungePluginDsoPath(mPluginFilePath));
return SyncLaunch(args, timeoutMs, selectedArchitecture);
}
void
PluginProcessParent::Delete()
{
MessageLoop* currentLoop = MessageLoop::current();
MessageLoop* ioLoop = XRE_GetIOMessageLoop();
if (currentLoop == ioLoop) {
delete this;
return;
}
ioLoop->PostTask(FROM_HERE,
NewRunnableMethod(this, &PluginProcessParent::Delete));
}