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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/shortcut_manager.h"
#include "apps/pref_names.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/ui/web_applications/web_app_ui.h"
#include "chrome/browser/web_applications/web_app.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/extension_set.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
using extensions::Extension;
namespace {
// Creates a shortcut for an application in the applications menu.
void CreateShortcutsInApplicationsMenu(
const ShellIntegration::ShortcutInfo& shortcut_info) {
ShellIntegration::ShortcutLocations creation_locations;
creation_locations.in_applications_menu = true;
// Create the shortcut in the Chrome Apps subdir.
creation_locations.applications_menu_subdir =
web_app::GetAppShortcutsSubdirName();
web_app::CreateShortcuts(shortcut_info, creation_locations);
}
bool ShouldCreateShortcutFor(const extensions::Extension* extension) {
return extension->is_platform_app() &&
extension->location() != extensions::Manifest::COMPONENT &&
extension->ShouldDisplayInAppLauncher();
}
} // namespace
namespace apps {
ShortcutManager::ShortcutManager(Profile* profile)
: profile_(profile),
prefs_(profile->GetPrefs()),
weak_factory_(this) {
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_INSTALLED,
content::Source<Profile>(profile_));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
content::Source<Profile>(profile_));
// Wait for extensions to be ready before running OnceOffCreateShortcuts.
registrar_.Add(this, chrome::NOTIFICATION_EXTENSIONS_READY,
content::Source<Profile>(profile_));
}
ShortcutManager::~ShortcutManager() {}
void ShortcutManager::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_EXTENSIONS_READY: {
OnceOffCreateShortcuts();
break;
}
case chrome::NOTIFICATION_EXTENSION_INSTALLED: {
#if defined(OS_MACOSX)
if (!CommandLine::ForCurrentProcess()->
HasSwitch(switches::kEnableAppShims))
break;
#endif // defined(OS_MACOSX)
const extensions::InstalledExtensionInfo* installed_info =
content::Details<const extensions::InstalledExtensionInfo>(details)
.ptr();
const Extension* extension = installed_info->extension;
if (ShouldCreateShortcutFor(extension)) {
// If the app is being updated, update any existing shortcuts but do not
// create new ones. If it is being installed, automatically create a
// shortcut in the applications menu (e.g., Start Menu).
base::Callback<void(const ShellIntegration::ShortcutInfo&)>
create_or_update;
if (installed_info->is_update) {
string16 old_title = UTF8ToUTF16(installed_info->old_name);
create_or_update = base::Bind(&web_app::UpdateAllShortcuts,
old_title);
} else {
create_or_update = base::Bind(&CreateShortcutsInApplicationsMenu);
}
web_app::UpdateShortcutInfoAndIconForApp(*extension, profile_,
create_or_update);
}
break;
}
case chrome::NOTIFICATION_EXTENSION_UNINSTALLED: {
const Extension* extension = content::Details<const Extension>(
details).ptr();
DeleteApplicationShortcuts(extension);
break;
}
default:
NOTREACHED();
}
}
void ShortcutManager::OnceOffCreateShortcuts() {
bool was_enabled = prefs_->GetBoolean(apps::prefs::kShortcutsHaveBeenCreated);
// Creation of shortcuts on Mac currently sits behind --enable-app-shims.
// Until it is enabled permanently, we need to check the flag, and set the
// pref accordingly.
#if defined(OS_MACOSX)
bool is_now_enabled =
CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableAppShims);
#else
bool is_now_enabled = true;
#endif // defined(OS_MACOSX)
if (was_enabled != is_now_enabled)
prefs_->SetBoolean(apps::prefs::kShortcutsHaveBeenCreated, is_now_enabled);
if (was_enabled || !is_now_enabled)
return;
// Check if extension system/service are available. They might not be in
// tests.
extensions::ExtensionSystem* extension_system;
ExtensionServiceInterface* extension_service;
if (!(extension_system = extensions::ExtensionSystem::Get(profile_)) ||
!(extension_service = extension_system->extension_service()))
return;
// Create an applications menu shortcut for each app in this profile.
const ExtensionSet* apps = extension_service->extensions();
for (ExtensionSet::const_iterator it = apps->begin();
it != apps->end(); ++it) {
if (ShouldCreateShortcutFor(*it))
web_app::UpdateShortcutInfoAndIconForApp(
*(*it), profile_, base::Bind(&CreateShortcutsInApplicationsMenu));
}
}
void ShortcutManager::DeleteApplicationShortcuts(
const Extension* extension) {
ShellIntegration::ShortcutInfo delete_info =
web_app::ShortcutInfoForExtensionAndProfile(extension, profile_);
web_app::DeleteAllShortcuts(delete_info);
}
} // namespace apps
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