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1 // Copyright (c) 2012 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_ASH_LAUNCHER_APP_SHORTCUT_LAUNCHER_ITEM_CONTROLLER_H_
6 #define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_SHORTCUT_LAUNCHER_ITEM_CONTROLLER_H_
7 
8 #include <string>
9 
10 #include "base/time/time.h"
11 #include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
12 #include "url/gurl.h"
13 
14 class Browser;
15 class URLPattern;
16 
17 namespace aura {
18 class Window;
19 }
20 
21 namespace extensions {
22 class Extension;
23 }
24 
25 class ChromeLauncherController;
26 
27 // Item controller for an app shortcut. Shortcuts track app and launcher ids,
28 // but do not have any associated windows (opening a shortcut will replace the
29 // item with the appropriate LauncherItemController type).
30 class AppShortcutLauncherItemController : public LauncherItemController {
31  public:
32   AppShortcutLauncherItemController(const std::string& app_id,
33                                     ChromeLauncherController* controller);
34 
35   virtual ~AppShortcutLauncherItemController();
36 
37   std::vector<content::WebContents*> GetRunningApplications();
38 
39   // LauncherItemController overrides:
40   virtual bool IsOpen() const OVERRIDE;
41   virtual bool IsVisible() const OVERRIDE;
42   virtual void Launch(ash::LaunchSource source, int event_flags) OVERRIDE;
43   virtual bool Activate(ash::LaunchSource source) OVERRIDE;
44   virtual ChromeLauncherAppMenuItems GetApplicationList(
45       int event_flags) OVERRIDE;
46   virtual bool ItemSelected(const ui::Event& event) OVERRIDE;
47   virtual base::string16 GetTitle() OVERRIDE;
48   virtual ui::MenuModel* CreateContextMenu(
49       aura::Window* root_window) OVERRIDE;
50   virtual ash::ShelfMenuModel* CreateApplicationMenu(int event_flags) OVERRIDE;
51   virtual bool IsDraggable() OVERRIDE;
52   virtual bool ShouldShowTooltip() OVERRIDE;
53   virtual void Close() OVERRIDE;
54 
55   // Get the refocus url pattern, which can be used to identify this application
56   // from a URL link.
refocus_url()57   const GURL& refocus_url() const { return refocus_url_; }
58   // Set the refocus url pattern. Used by unit tests.
set_refocus_url(const GURL & refocus_url)59   void set_refocus_url(const GURL& refocus_url) { refocus_url_ = refocus_url; }
60 
61  private:
62   // Get the last running application.
63   content::WebContents* GetLRUApplication();
64 
65   // Returns true if this app matches the given |web_contents|. To accelerate
66   // the matching, the app managing |extension| as well as the parsed
67   // |refocus_pattern| get passed. If |is_app| is true, the application gets
68   // first checked against its original URL since a windowed app might have
69   // navigated away from its app domain.
70   bool WebContentMatchesApp(const extensions::Extension* extension,
71                             const URLPattern& refocus_pattern,
72                             content::WebContents* web_contents,
73                             Browser* browser);
74 
75   // Activate the browser with the given |content| and show the associated tab.
76   void ActivateContent(content::WebContents* content);
77 
78   // Advance to the next item if an owned item is already active. The function
79   // will return true if it has sucessfully advanced.
80   bool AdvanceToNextApp();
81 
82   // Returns true if the application is a V2 app.
83   bool IsV2App();
84 
85   // Returns true if it is allowed to try starting a V2 app again.
86   bool AllowNextLaunchAttempt();
87 
88   GURL refocus_url_;
89 
90   // Since V2 applications can be undetectable after launching, this timer is
91   // keeping track of the last launch attempt.
92   base::Time last_launch_attempt_;
93 
94   ChromeLauncherController* chrome_launcher_controller_;
95 
96   DISALLOW_COPY_AND_ASSIGN(AppShortcutLauncherItemController);
97 };
98 
99 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_SHORTCUT_LAUNCHER_ITEM_CONTROLLER_H_
100