gecko-dev/dom/plugins/ipc/PluginProcessParent.h

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2.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 et :
* 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/. */
#ifndef dom_plugins_PluginProcessParent_h
#define dom_plugins_PluginProcessParent_h 1
#include "mozilla/Attributes.h"
#include "base/basictypes.h"
#include "base/file_path.h"
#include "base/task.h"
#include "base/thread.h"
#include "base/waitable_event.h"
#include "chrome/common/child_process_host.h"
#include "mozilla/ipc/GeckoChildProcessHost.h"
#include "mozilla/plugins/TaskFactory.h"
#include "mozilla/UniquePtr.h"
#include "nsCOMPtr.h"
#include "nsIRunnable.h"
namespace mozilla {
namespace plugins {
class LaunchCompleteTask : public Runnable
{
public:
LaunchCompleteTask()
: mLaunchSucceeded(false)
{
}
void SetLaunchSucceeded() { mLaunchSucceeded = true; }
protected:
bool mLaunchSucceeded;
};
class PluginProcessParent : public mozilla::ipc::GeckoChildProcessHost
{
public:
explicit PluginProcessParent(const std::string& aPluginFilePath);
~PluginProcessParent();
/**
* Launch the plugin process. If the process fails to launch,
* this method will return false.
*
* @param aLaunchCompleteTask Task that is executed on the main
* thread once the asynchonous launch has completed.
* @param aSandboxLevel Determines the strength of the sandbox.
* <= 0 means no sandbox.
*/
bool Launch(UniquePtr<LaunchCompleteTask> aLaunchCompleteTask = UniquePtr<LaunchCompleteTask>(),
int32_t aSandboxLevel = 0);
void Delete();
virtual bool CanShutdown() override
{
return true;
}
const std::string& GetPluginFilePath() { return mPluginFilePath; }
using mozilla::ipc::GeckoChildProcessHost::GetShutDownEvent;
using mozilla::ipc::GeckoChildProcessHost::GetChannel;
void SetCallRunnableImmediately(bool aCallImmediately);
virtual bool WaitUntilConnected(int32_t aTimeoutMs = 0) override;
virtual void OnChannelConnected(int32_t peer_pid) override;
virtual void OnChannelError() override;
bool IsConnected();
private:
void RunLaunchCompleteTask();
std::string mPluginFilePath;
TaskFactory<PluginProcessParent> mTaskFactory;
UniquePtr<LaunchCompleteTask> mLaunchCompleteTask;
MessageLoop* mMainMsgLoop;
bool mRunCompleteTaskImmediately;
DISALLOW_EVIL_CONSTRUCTORS(PluginProcessParent);
};
} // namespace plugins
} // namespace mozilla
#endif // ifndef dom_plugins_PluginProcessParent_h