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// Copyright (c) 2011 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.
#ifndef CHROME_BROWSER_UI_WEBUI_APP_LAUNCHER_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_APP_LAUNCHER_HANDLER_H_
#pragma once
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/extensions/extension_install_ui.h"
#include "chrome/browser/extensions/extension_uninstall_dialog.h"
#include "chrome/browser/prefs/pref_change_registrar.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_constants.h"
#include "content/browser/webui/web_ui.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
class ExtensionPrefs;
class ExtensionService;
class NotificationRegistrar;
class PrefChangeRegistrar;
class Profile;
namespace gfx {
class Rect;
}
// The handler for Javascript messages related to the "apps" view.
class AppLauncherHandler : public WebUIMessageHandler,
public ExtensionUninstallDialog::Delegate,
public ExtensionInstallUI::Delegate,
public NotificationObserver {
public:
explicit AppLauncherHandler(ExtensionService* extension_service);
virtual ~AppLauncherHandler();
// Populate a dictionary with the information from an extension.
static void CreateAppInfo(const Extension* extension,
ExtensionPrefs* extension_prefs,
DictionaryValue* value);
// Callback for pings related to launching apps on the NTP.
static bool HandlePing(Profile* profile, const std::string& path);
// WebUIMessageHandler implementation.
virtual WebUIMessageHandler* Attach(WebUI* web_ui);
virtual void RegisterMessages();
// NotificationObserver
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Populate the given dictionary with all installed app info.
void FillAppDictionary(DictionaryValue* value);
// Populate the given dictionary with the web store promo content.
void FillPromoDictionary(DictionaryValue* value);
// Callback for the "getApps" message.
void HandleGetApps(const ListValue* args);
// Callback for the "launchApp" message.
void HandleLaunchApp(const ListValue* args);
// Callback for the "setLaunchType" message.
void HandleSetLaunchType(const ListValue* args);
// Callback for the "uninstallApp" message.
void HandleUninstallApp(const ListValue* args);
// Callback for the "hideAppPromo" message.
void HandleHideAppsPromo(const ListValue* args);
// Callback for the "createAppShortcut" message.
void HandleCreateAppShortcut(const ListValue* args);
// Callback for the "reorderApps" message.
void HandleReorderApps(const ListValue* args);
// Callback for the "setPageIndex" message.
void HandleSetPageIndex(const ListValue* args);
// Callback for the "promoSeen" message.
void HandlePromoSeen(const ListValue* args);
private:
// Records a web store launch in the appropriate histograms. |promo_active|
// specifies if the web store promotion was active.
static void RecordWebStoreLaunch(bool promo_active);
// Records an app launch in the corresponding |bucket| of the app launch
// histogram. |promo_active| specifies if the web store promotion was active.
static void RecordAppLaunchByID(bool promo_active,
extension_misc::AppLaunchBucket bucket);
// Records an app launch in the corresponding |bucket| of the app launch
// histogram if the |escaped_url| corresponds to an installed app.
static void RecordAppLaunchByURL(Profile* profile,
std::string escaped_url,
extension_misc::AppLaunchBucket bucket);
// Prompts the user to re-enable the app for |extension_id|.
void PromptToEnableApp(const std::string& extension_id);
// ExtensionUninstallDialog::Delegate:
virtual void ExtensionDialogAccepted();
virtual void ExtensionDialogCanceled();
// ExtensionInstallUI::Delegate:
virtual void InstallUIProceed();
virtual void InstallUIAbort();
// Returns the ExtensionUninstallDialog object for this class, creating it if
// needed.
ExtensionUninstallDialog* GetExtensionUninstallDialog();
// Returns the ExtensionInstallUI object for this class, creating it if
// needed.
ExtensionInstallUI* GetExtensionInstallUI();
// Helper that uninstalls all the default apps.
void UninstallDefaultApps();
// The apps are represented in the extensions model, which
// outlives us since its owned by our containing profile.
ExtensionService* const extensions_service_;
// We monitor changes to the extension system so that we can reload the apps
// when necessary.
NotificationRegistrar registrar_;
// Monitor extension preference changes so that the Web UI can be notified.
PrefChangeRegistrar pref_change_registrar_;
// Used to show confirmation UI for uninstalling extensions in incognito mode.
scoped_ptr<ExtensionUninstallDialog> extension_uninstall_dialog_;
// Used to show confirmation UI for enabling extensions in incognito mode.
scoped_ptr<ExtensionInstallUI> extension_install_ui_;
// The id of the extension we are prompting the user about.
std::string extension_id_prompting_;
// Whether the promo is currently being shown.
bool promo_active_;
// When true, we ignore changes to the underlying data rather than immediately
// refreshing. This is useful when making many batch updates to avoid flicker.
bool ignore_changes_;
DISALLOW_COPY_AND_ASSIGN(AppLauncherHandler);
};
#endif // CHROME_BROWSER_UI_WEBUI_APP_LAUNCHER_HANDLER_H_
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