| // 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 "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "content/public/browser/notification_details.h" |
| #include "content/public/browser/notification_service.h" |
| #include "extensions/browser/app_window/app_window.h" |
| #include "extensions/browser/extension_host.h" |
| #include "extensions/browser/notification_types.h" |
| #include "extensions/common/extension.h" |
| |
| namespace apps { |
| |
| using extensions::AppWindow; |
| using extensions::AppWindowRegistry; |
| using extensions::Extension; |
| using extensions::ExtensionHost; |
| |
| AppLifetimeMonitor::AppLifetimeMonitor(Profile* profile) |
| : profile_(profile) { |
| registrar_.Add(this, |
| extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_FIRST_LOAD, |
| content::NotificationService::AllSources()); |
| registrar_.Add(this, |
| extensions::NOTIFICATION_EXTENSION_HOST_DESTROYED, |
| content::NotificationService::AllSources()); |
| registrar_.Add( |
| this, chrome::NOTIFICATION_APP_TERMINATING, |
| content::NotificationService::AllSources()); |
| |
| AppWindowRegistry* app_window_registry = |
| AppWindowRegistry::Factory::GetForBrowserContext(profile_, |
| false /* create */); |
| DCHECK(app_window_registry); |
| app_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 extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_FIRST_LOAD: { |
| ExtensionHost* host = content::Details<ExtensionHost>(details).ptr(); |
| const Extension* extension = host->extension(); |
| if (!extension || !extension->is_platform_app()) |
| return; |
| |
| NotifyAppStart(extension->id()); |
| break; |
| } |
| |
| case extensions::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::OnAppWindowRemoved(AppWindow* app_window) { |
| if (!HasOtherVisibleAppWindows(app_window)) |
| NotifyAppDeactivated(app_window->extension_id()); |
| } |
| |
| void AppLifetimeMonitor::OnAppWindowHidden(AppWindow* app_window) { |
| if (!HasOtherVisibleAppWindows(app_window)) |
| NotifyAppDeactivated(app_window->extension_id()); |
| } |
| |
| void AppLifetimeMonitor::OnAppWindowShown(AppWindow* app_window, |
| bool was_hidden) { |
| if (app_window->window_type() != AppWindow::WINDOW_TYPE_DEFAULT) |
| return; |
| |
| // The app is being activated if this is the first window to become visible. |
| if (was_hidden && !HasOtherVisibleAppWindows(app_window)) { |
| NotifyAppActivated(app_window->extension_id()); |
| } |
| } |
| |
| void AppLifetimeMonitor::Shutdown() { |
| AppWindowRegistry* app_window_registry = |
| AppWindowRegistry::Factory::GetForBrowserContext(profile_, |
| false /* create */); |
| if (app_window_registry) |
| app_window_registry->RemoveObserver(this); |
| } |
| |
| bool AppLifetimeMonitor::HasOtherVisibleAppWindows( |
| AppWindow* app_window) const { |
| AppWindowRegistry::AppWindowList windows = |
| AppWindowRegistry::Get(app_window->browser_context()) |
| ->GetAppWindowsForApp(app_window->extension_id()); |
| |
| for (AppWindowRegistry::AppWindowList::const_iterator i = windows.begin(); |
| i != windows.end(); |
| ++i) { |
| if (*i != app_window && !(*i)->is_hidden()) |
| return true; |
| } |
| return false; |
| } |
| |
| 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 |