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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.
#include "apps/app_lifetime_monitor.h"
#include "apps/shell_window.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/extension.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
namespace apps {
using extensions::Extension;
using extensions::ExtensionHost;
AppLifetimeMonitor::AppLifetimeMonitor(Profile* profile)
: profile_(profile) {
registrar_.Add(
this, chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING,
content::NotificationService::AllSources());
registrar_.Add(
this, chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
content::NotificationService::AllSources());
registrar_.Add(
this, chrome::NOTIFICATION_APP_TERMINATING,
content::NotificationService::AllSources());
ShellWindowRegistry* shell_window_registry =
ShellWindowRegistry::Factory::GetForBrowserContext(
profile_, false /* create */);
DCHECK(shell_window_registry);
shell_window_registry->AddObserver(this);
}
AppLifetimeMonitor::~AppLifetimeMonitor() {}
void AppLifetimeMonitor::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void AppLifetimeMonitor::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void AppLifetimeMonitor::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING: {
ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
const Extension* extension = host->extension();
if (!extension || !extension->is_platform_app())
return;
NotifyAppStart(extension->id());
break;
}
case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED: {
ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
const Extension* extension = host->extension();
if (!extension || !extension->is_platform_app())
return;
NotifyAppStop(extension->id());
break;
}
case chrome::NOTIFICATION_APP_TERMINATING: {
NotifyChromeTerminating();
break;
}
}
}
void AppLifetimeMonitor::OnShellWindowAdded(ShellWindow* shell_window) {
if (shell_window->window_type() != ShellWindow::WINDOW_TYPE_DEFAULT)
return;
ShellWindowRegistry::ShellWindowList windows =
ShellWindowRegistry::Get(shell_window->profile())->
GetShellWindowsForApp(shell_window->extension_id());
if (windows.size() == 1)
NotifyAppActivated(shell_window->extension_id());
}
void AppLifetimeMonitor::OnShellWindowIconChanged(ShellWindow* shell_window) {}
void AppLifetimeMonitor::OnShellWindowRemoved(ShellWindow* shell_window) {
ShellWindowRegistry::ShellWindowList windows =
ShellWindowRegistry::Get(shell_window->profile())->
GetShellWindowsForApp(shell_window->extension_id());
if (windows.empty())
NotifyAppDeactivated(shell_window->extension_id());
}
void AppLifetimeMonitor::Shutdown() {
ShellWindowRegistry* shell_window_registry =
ShellWindowRegistry::Factory::GetForBrowserContext(
profile_, false /* create */);
if (shell_window_registry)
shell_window_registry->RemoveObserver(this);
}
void AppLifetimeMonitor::NotifyAppStart(const std::string& app_id) {
FOR_EACH_OBSERVER(Observer, observers_, OnAppStart(profile_, app_id));
}
void AppLifetimeMonitor::NotifyAppActivated(const std::string& app_id) {
FOR_EACH_OBSERVER(Observer, observers_, OnAppActivated(profile_, app_id));
}
void AppLifetimeMonitor::NotifyAppDeactivated(const std::string& app_id) {
FOR_EACH_OBSERVER(Observer, observers_, OnAppDeactivated(profile_, app_id));
}
void AppLifetimeMonitor::NotifyAppStop(const std::string& app_id) {
FOR_EACH_OBSERVER(Observer, observers_, OnAppStop(profile_, app_id));
}
void AppLifetimeMonitor::NotifyChromeTerminating() {
FOR_EACH_OBSERVER(Observer, observers_, OnChromeTerminating());
}
} // namespace apps
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