root/apps/app_shim/app_shim_host_mac.cc

DEFINITIONS

1. ServeChannel
2. GetProfilePath
3. GetAppId
4. OnMessageReceived
5. OnChannelError
6. Send
7. OnLaunchApp
8. OnFocus
9. OnSetHidden
10. OnQuit
11. OnAppLaunchComplete
12. OnAppClosed
13. OnAppHide
14. OnAppRequestUserAttention
15. Close

// 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.

#include "apps/app_shim/app_shim_host_mac.h"

#include "apps/app_shim/app_shim_handler_mac.h"
#include "apps/app_shim/app_shim_messages.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "content/public/browser/browser_thread.h"
#include "ipc/ipc_channel_proxy.h"

AppShimHost::AppShimHost() : initial_launch_finished_(false) {}

AppShimHost::~AppShimHost() {
  DCHECK(CalledOnValidThread());
  apps::AppShimHandler* handler = apps::AppShimHandler::GetForAppMode(app_id_);
  if (handler)
    handler->OnShimClose(this);
}

void AppShimHost::ServeChannel(const IPC::ChannelHandle& handle) {
  DCHECK(CalledOnValidThread());
  DCHECK(!channel_.get());
  channel_.reset(new IPC::ChannelProxy(
      handle,
      IPC::Channel::MODE_SERVER,
      this,
      content::BrowserThread::GetMessageLoopProxyForThread(
          content::BrowserThread::IO).get()));
}

base::FilePath AppShimHost::GetProfilePath() const {
  return profile_path_;
}

std::string AppShimHost::GetAppId() const {
  return app_id_;
}

bool AppShimHost::OnMessageReceived(const IPC::Message& message) {
  DCHECK(CalledOnValidThread());
  bool handled = true;
  IPC_BEGIN_MESSAGE_MAP(AppShimHost, message)
    IPC_MESSAGE_HANDLER(AppShimHostMsg_LaunchApp, OnLaunchApp)
    IPC_MESSAGE_HANDLER(AppShimHostMsg_FocusApp, OnFocus)
    IPC_MESSAGE_HANDLER(AppShimHostMsg_SetAppHidden, OnSetHidden)
    IPC_MESSAGE_HANDLER(AppShimHostMsg_QuitApp, OnQuit)
    IPC_MESSAGE_UNHANDLED(handled = false)
  IPC_END_MESSAGE_MAP()

  return handled;
}

void AppShimHost::OnChannelError() {
  Close();
}

bool AppShimHost::Send(IPC::Message* message) {
  DCHECK(channel_.get());
  return channel_->Send(message);
}

void AppShimHost::OnLaunchApp(const base::FilePath& profile_dir,
                              const std::string& app_id,
                              apps::AppShimLaunchType launch_type,
                              const std::vector<base::FilePath>& files) {
  DCHECK(CalledOnValidThread());
  DCHECK(profile_path_.empty());
  // Only one app launch message per channel.
  if (!profile_path_.empty())
    return;

  profile_path_ = profile_dir;
  app_id_ = app_id;

  apps::AppShimHandler* handler = apps::AppShimHandler::GetForAppMode(app_id_);
  if (handler)
    handler->OnShimLaunch(this, launch_type, files);
  // |handler| can only be NULL after AppShimHostManager is destroyed. Since
  // this only happens at shutdown, do nothing here.
}

void AppShimHost::OnFocus(apps::AppShimFocusType focus_type,
                          const std::vector<base::FilePath>& files) {
  DCHECK(CalledOnValidThread());
  apps::AppShimHandler* handler = apps::AppShimHandler::GetForAppMode(app_id_);
  if (handler)
    handler->OnShimFocus(this, focus_type, files);
}

void AppShimHost::OnSetHidden(bool hidden) {
  DCHECK(CalledOnValidThread());
  apps::AppShimHandler* handler = apps::AppShimHandler::GetForAppMode(app_id_);
  if (handler)
    handler->OnShimSetHidden(this, hidden);
}

void AppShimHost::OnQuit() {
  DCHECK(CalledOnValidThread());
  apps::AppShimHandler* handler = apps::AppShimHandler::GetForAppMode(app_id_);
  if (handler)
    handler->OnShimQuit(this);
}

void AppShimHost::OnAppLaunchComplete(apps::AppShimLaunchResult result) {
  if (!initial_launch_finished_) {
    Send(new AppShimMsg_LaunchApp_Done(result));
    initial_launch_finished_ = true;
  }
}

void AppShimHost::OnAppClosed() {
  Close();
}

void AppShimHost::OnAppHide() {
  Send(new AppShimMsg_Hide);
}

void AppShimHost::OnAppRequestUserAttention() {
  Send(new AppShimMsg_RequestUserAttention);
}

void AppShimHost::Close() {
  DCHECK(CalledOnValidThread());
  delete this;
}