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// Copyright (c) 2012 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_restore_service.h"
#include "chrome/browser/extensions/api/app_runtime/app_runtime_api.h"
#include "chrome/browser/extensions/api/file_handlers/app_file_handler_util.h"
#include "chrome/browser/extensions/event_router.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/platform_app_launcher.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_set.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#if defined(OS_WIN)
#include "win8/util/win8_util.h"
#endif
using extensions::AppEventRouter;
using extensions::Extension;
using extensions::ExtensionHost;
using extensions::ExtensionPrefs;
using extensions::ExtensionSystem;
namespace apps {
// static
bool AppRestoreService::ShouldRestoreApps(bool is_browser_restart) {
bool should_restore_apps = is_browser_restart;
#if defined(OS_CHROMEOS)
// Chromeos always restarts apps, even if it was a regular shutdown.
should_restore_apps = true;
#elif defined(OS_WIN)
// Packaged apps are not supported in Metro mode, so don't try to start them.
if (win8::IsSingleWindowMetroMode())
should_restore_apps = false;
#endif
return should_restore_apps;
}
AppRestoreService::AppRestoreService(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());
}
void AppRestoreService::HandleStartup(bool should_restore_apps) {
ExtensionService* extension_service =
ExtensionSystem::Get(profile_)->extension_service();
const ExtensionSet* extensions = extension_service->extensions();
ExtensionPrefs* extension_prefs = extension_service->extension_prefs();
for (ExtensionSet::const_iterator it = extensions->begin();
it != extensions->end(); ++it) {
const Extension* extension = *it;
if (extension_prefs->IsExtensionRunning(extension->id())) {
std::vector<SavedFileEntry> file_entries;
extensions::app_file_handler_util::GetSavedFileEntries(extension_prefs,
extension->id(),
&file_entries);
RecordAppStop(extension->id());
if (should_restore_apps)
RestoreApp(*it, file_entries);
}
}
}
void AppRestoreService::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())
RecordAppStart(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())
RecordAppStop(extension->id());
break;
}
case chrome::NOTIFICATION_APP_TERMINATING: {
// Stop listening to NOTIFICATION_EXTENSION_HOST_DESTROYED in particular
// as all extension hosts will be destroyed as a result of shutdown.
registrar_.RemoveAll();
break;
}
}
}
void AppRestoreService::RecordAppStart(const std::string& extension_id) {
ExtensionPrefs* extension_prefs =
ExtensionSystem::Get(profile_)->extension_service()->extension_prefs();
extension_prefs->SetExtensionRunning(extension_id, true);
}
void AppRestoreService::RecordAppStop(const std::string& extension_id) {
ExtensionPrefs* extension_prefs =
ExtensionSystem::Get(profile_)->extension_service()->extension_prefs();
extension_prefs->SetExtensionRunning(extension_id, false);
extensions::app_file_handler_util::ClearSavedFileEntries(
extension_prefs, extension_id);
}
void AppRestoreService::RestoreApp(
const Extension* extension,
const std::vector<SavedFileEntry>& file_entries) {
extensions::RestartPlatformAppWithFileEntries(profile_,
extension,
file_entries);
}
} // namespace apps
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