1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_UI_WEBUI_NTP_CORE_APP_LAUNCHER_HANDLER_H_
6#define CHROME_BROWSER_UI_WEBUI_NTP_CORE_APP_LAUNCHER_HANDLER_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/compiler_specific.h"
12#include "base/values.h"
13#include "chrome/common/extensions/extension_constants.h"
14#include "content/public/browser/web_ui_message_handler.h"
15#include "extensions/common/extension.h"
16
17namespace extensions {
18class Extension;
19}
20
21namespace user_prefs {
22class PrefRegistrySyncable;
23}
24
25class Profile;
26
27class CoreAppLauncherHandler : public content::WebUIMessageHandler {
28 public:
29  CoreAppLauncherHandler();
30  virtual ~CoreAppLauncherHandler();
31
32  // Records the given type of app launch for UMA.
33  static void RecordAppLaunchType(extension_misc::AppLaunchBucket bucket,
34                                  extensions::Manifest::Type app_type);
35
36  // Register app launcher preferences.
37  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
38
39  // Records an app launch from the search view of the app list.
40  static void RecordAppListSearchLaunch(const extensions::Extension* extension);
41
42  // Records an app launch from the main view of the app list.
43  static void RecordAppListMainLaunch(const extensions::Extension* extension);
44
45  // Records a web store launch in the appropriate histograms.
46  static void RecordWebStoreLaunch();
47
48 private:
49  // Callback for the "recordAppLaunchByUrl" message. Takes an escaped URL and
50  // a launch source(integer), and if the URL represents an app, records the
51  // action for UMA.
52  void HandleRecordAppLaunchByUrl(const base::ListValue* args);
53
54  // Records an app launch in the corresponding |bucket| of the app launch
55  // histogram if the |escaped_url| corresponds to an installed app.
56  void RecordAppLaunchByUrl(Profile* profile,
57                            std::string escaped_url,
58                            extension_misc::AppLaunchBucket bucket);
59
60  // WebUIMessageHandler implementation.
61  virtual void RegisterMessages() OVERRIDE;
62
63  DISALLOW_COPY_AND_ASSIGN(CoreAppLauncherHandler);
64};
65
66#endif  // CHROME_BROWSER_UI_WEBUI_NTP_CORE_APP_LAUNCHER_HANDLER_H_
67