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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.
     57   const GURL& refocus_url() const { return refocus_url_; }
     58   // Set the refocus url pattern. Used by unit tests.
     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