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