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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_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "base/basictypes.h"
     12 #include "base/compiler_specific.h"
     13 #include "chrome/browser/web_applications/web_app.h"
     14 #include "extensions/common/manifest_handlers/file_handler_info.h"
     15 #include "ui/views/controls/button/button.h"
     16 #include "ui/views/window/dialog_delegate.h"
     17 
     18 class FaviconDownloadHelper;
     19 class GURL;
     20 class Profile;
     21 class SkBitmap;
     22 
     23 namespace content {
     24 class WebContents;
     25 }
     26 
     27 namespace extensions {
     28 class Extension;
     29 }
     30 
     31 namespace views {
     32 class Checkbox;
     33 class Label;
     34 }
     35 
     36 // CreateShortcutViewCommon implements a dialog that asks user where to create
     37 // the shortcut for given web app.  There are two variants of this dialog:
     38 // Shortcuts that load a URL in an app-like window, and shortcuts that load
     39 // a chrome app (the kind you see under "apps" on the new tabs page) in an app
     40 // window.  These are implemented as subclasses of CreateShortcutViewCommon.
     41 class CreateApplicationShortcutView : public views::DialogDelegateView,
     42                                       public views::ButtonListener {
     43  public:
     44   enum DialogLayout {
     45     // URL shortcuts have an info frame at the top with a thumbnail, title and
     46     // description.
     47     DIALOG_LAYOUT_URL_SHORTCUT,
     48 
     49     // App shortcuts don't have an info frame, since they are launched from
     50     // places where it's clear what app they are from.
     51     DIALOG_LAYOUT_APP_SHORTCUT
     52   };
     53 
     54   explicit CreateApplicationShortcutView(Profile* profile);
     55   virtual ~CreateApplicationShortcutView();
     56 
     57   // Initialize the controls on the dialog.
     58   void InitControls(DialogLayout dialog_layout);
     59 
     60   // Overridden from views::View:
     61   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     62 
     63   // Overridden from views::DialogDelegate:
     64   virtual base::string16 GetDialogButtonLabel(
     65       ui::DialogButton button) const OVERRIDE;
     66   virtual bool IsDialogButtonEnabled(ui::DialogButton button) const OVERRIDE;
     67   virtual ui::ModalType GetModalType() const OVERRIDE;
     68   virtual base::string16 GetWindowTitle() const OVERRIDE;
     69   virtual bool Accept() OVERRIDE;
     70 
     71   // Overridden from views::ButtonListener:
     72   virtual void ButtonPressed(views::Button* sender,
     73                              const ui::Event& event) OVERRIDE;
     74 
     75  protected:
     76   // Adds a new check-box as a child to the view.
     77   views::Checkbox* AddCheckbox(const base::string16& text, bool checked);
     78 
     79   // Profile in which the shortcuts will be created.
     80   Profile* profile_;
     81 
     82   // UI elements on the dialog.
     83   // May be NULL if we are not displaying the app's info.
     84   views::View* app_info_;
     85   views::Label* create_shortcuts_label_;
     86   views::Checkbox* desktop_check_box_;
     87   views::Checkbox* menu_check_box_;
     88   views::Checkbox* quick_launch_check_box_;
     89 
     90   // Target shortcut and file handler info.
     91   web_app::ShortcutInfo shortcut_info_;
     92   extensions::FileHandlersInfo file_handlers_info_;
     93   // If false, the shortcut will be created in the root level of the Start Menu.
     94   bool create_in_chrome_apps_subdir_;
     95 
     96   DISALLOW_COPY_AND_ASSIGN(CreateApplicationShortcutView);
     97 };
     98 
     99 // Create an application shortcut pointing to a URL.
    100 class CreateUrlApplicationShortcutView : public CreateApplicationShortcutView {
    101  public:
    102   explicit CreateUrlApplicationShortcutView(content::WebContents* web_contents);
    103   virtual ~CreateUrlApplicationShortcutView();
    104 
    105   virtual bool Accept() OVERRIDE;
    106 
    107  private:
    108   // Fetch the largest unprocessed icon.
    109   // The first largest icon downloaded and decoded successfully will be used.
    110   void FetchIcon();
    111 
    112   // Favicon download callback.
    113   void DidDownloadFavicon(
    114       int requested_size,
    115       int id,
    116       int http_status_code,
    117       const GURL& image_url,
    118       const std::vector<SkBitmap>& bitmaps,
    119       const std::vector<gfx::Size>& original_bitmap_sizes);
    120 
    121   // The tab whose URL is being turned into an app.
    122   content::WebContents* web_contents_;
    123 
    124   // Pending app icon download tracked by us.
    125   int pending_download_id_;
    126 
    127   // Unprocessed icons from the WebApplicationInfo passed in.
    128   web_app::IconInfoList unprocessed_icons_;
    129 
    130   base::WeakPtrFactory<CreateUrlApplicationShortcutView> weak_ptr_factory_;
    131 
    132   DISALLOW_COPY_AND_ASSIGN(CreateUrlApplicationShortcutView);
    133 };
    134 
    135 // Create an application shortcut pointing to a chrome application.
    136 class CreateChromeApplicationShortcutView
    137     : public CreateApplicationShortcutView {
    138  public:
    139   CreateChromeApplicationShortcutView(
    140       Profile* profile,
    141       const extensions::Extension* app,
    142       const base::Callback<void(bool)>& close_callback);
    143   virtual ~CreateChromeApplicationShortcutView();
    144   virtual bool Accept() OVERRIDE;
    145   virtual bool Cancel() OVERRIDE;
    146 
    147  private:
    148   // Called when the app's ShortcutInfo (with icon) and FileHandlersInfo is
    149   // loaded.
    150   void OnAppInfoLoaded(const web_app::ShortcutInfo& shortcut_info,
    151                        const extensions::FileHandlersInfo& file_handlers_info);
    152 
    153   base::Callback<void(bool)> close_callback_;
    154 
    155   base::WeakPtrFactory<CreateChromeApplicationShortcutView> weak_ptr_factory_;
    156 
    157   DISALLOW_COPY_AND_ASSIGN(CreateChromeApplicationShortcutView);
    158 };
    159 
    160 #endif  // CHROME_BROWSER_UI_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_
    161