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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_WEB_APPLICATIONS_APP_SHIM_HOST_MAC_H_
#define CHROME_BROWSER_WEB_APPLICATIONS_APP_SHIM_HOST_MAC_H_
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ipc/ipc_listener.h"
#include "ipc/ipc_sender.h"
class Profile;
namespace IPC {
struct ChannelHandle;
class ChannelProxy;
class Message;
} // namespace IPC
// This is the counterpart to AppShimController in
// chrome/app/chrome_main_app_mode_mac.mm. The AppShimHost owns itself, and is
// destroyed when the app it corresponds to is closed or when the channel
// connected to the app shim is closed.
class AppShimHost : public IPC::Listener,
public IPC::Sender,
public content::NotificationObserver,
public base::NonThreadSafe {
public:
AppShimHost();
virtual ~AppShimHost();
// Creates a new server-side IPC channel at |handle|, which should contain a
// file descriptor of a channel created by an IPC::ChannelFactory, and begins
// listening for messages on it.
void ServeChannel(const IPC::ChannelHandle& handle);
const std::string& app_id() const { return app_id_; }
const Profile* profile() const { return profile_; }
protected:
// Used internally; virtual so they can be mocked for testing.
virtual Profile* FetchProfileForDirectory(const std::string& profile_dir);
virtual bool LaunchApp(Profile* profile, const std::string& app_id);
// IPC::Listener implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
// IPC::Sender implementation.
virtual bool Send(IPC::Message* message) OVERRIDE;
private:
// The app shim process is requesting that an app be launched. Once it has
// done so the |profile| and |app_id| are stored, and all future messages
// from the app shim relate to the app it launched. It is an error for the
// app shim to send multiple launch messages.
void OnLaunchApp(std::string profile, std::string app_id);
// Called when the app shim process notifies that the app should be brought
// to the front (i.e. the user has clicked on the app's icon in the dock or
// Cmd+Tabbed to it.)
void OnFocus();
bool LaunchAppImpl(const std::string& profile_dir, const std::string& app_id);
// The AppShimHost listens to the NOTIFICATION_EXTENSION_HOST_DESTROYED
// message to detect when the app closes. When that happens, the AppShimHost
// closes the channel, which causes the app shim process to quit.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Closes the channel and destroys the AppShimHost.
void Close();
scoped_ptr<IPC::ChannelProxy> channel_;
std::string app_id_;
Profile* profile_;
content::NotificationRegistrar registrar_;
};
#endif // CHROME_BROWSER_WEB_APPLICATIONS_APP_SHIM_HOST_MAC_H_
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