Home | History | Annotate | Download | only in views 
      1 // Copyright (c) 2011 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 #pragma once
      8 
      9 #include <string>
     10 
     11 #include "chrome/browser/extensions/image_loading_tracker.h"
     12 #include "chrome/browser/web_applications/web_app.h"
     13 #include "views/controls/label.h"
     14 #include "views/view.h"
     15 #include "views/window/dialog_delegate.h"
     16 #include "third_party/skia/include/core/SkBitmap.h"
     17 
     18 namespace views {
     19 class Checkbox;
     20 class Label;
     21 class Window;
     22 };  // namespace views
     23 
     24 class Extension;
     25 class MessageLoop;
     26 class Profile;
     27 class TabContents;
     28 class TabContentsWrapper;
     29 
     30 // CreateShortcutViewCommon implements a dialog that asks user where to create
     31 // the shortcut for given web app.  There are two variants of this dialog:
     32 // Shortcuts that load a URL in an app-like window, and shortcuts that load
     33 // a chrome app (the kind you see under "apps" on the new tabs page) in an app
     34 // window.  These are implemented as subclasses of CreateShortcutViewCommon.
     35 class CreateApplicationShortcutView : public views::View,
     36                                       public views::DialogDelegate,
     37                                       public views::ButtonListener {
     38  public:
     39   explicit CreateApplicationShortcutView(Profile* profile);
     40   virtual ~CreateApplicationShortcutView();
     41 
     42   // Initialize the controls on the dialog.
     43   void InitControls();
     44 
     45   // Overridden from views::View:
     46   virtual gfx::Size GetPreferredSize();
     47 
     48   // Overridden from views::DialogDelegate:
     49   virtual std::wstring GetDialogButtonLabel(
     50       MessageBoxFlags::DialogButton button) const;
     51   virtual bool IsDialogButtonEnabled(
     52       MessageBoxFlags::DialogButton button) const;
     53   virtual bool CanResize() const;
     54   virtual bool CanMaximize() const;
     55   virtual bool IsAlwaysOnTop() const;
     56   virtual bool HasAlwaysOnTopMenu() const;
     57   virtual bool IsModal() const;
     58   virtual std::wstring GetWindowTitle() const;
     59   virtual bool Accept();
     60   virtual views::View* GetContentsView();
     61 
     62   // Overridden from views::ButtonListener:
     63   virtual void ButtonPressed(views::Button* sender, const views::Event& event);
     64 
     65  protected:
     66   // Adds a new check-box as a child to the view.
     67   views::Checkbox* AddCheckbox(const std::wstring& text, bool checked);
     68 
     69   // Profile in which the shortcuts will be created.
     70   Profile* profile_;
     71 
     72   // UI elements on the dialog.
     73   views::View* app_info_;
     74   views::Label* create_shortcuts_label_;
     75   views::Checkbox* desktop_check_box_;
     76   views::Checkbox* menu_check_box_;
     77   views::Checkbox* quick_launch_check_box_;
     78 
     79   // Target shortcut info.
     80   ShellIntegration::ShortcutInfo shortcut_info_;
     81 
     82   DISALLOW_COPY_AND_ASSIGN(CreateApplicationShortcutView);
     83 };
     84 
     85 // Create an application shortcut pointing to a URL.
     86 class CreateUrlApplicationShortcutView : public CreateApplicationShortcutView {
     87  public:
     88   explicit CreateUrlApplicationShortcutView(TabContentsWrapper* tab_contents);
     89   virtual ~CreateUrlApplicationShortcutView();
     90 
     91   virtual bool Accept();
     92 
     93  private:
     94   // Fetch the largest unprocessed icon.
     95   // The first largest icon downloaded and decoded successfully will be used.
     96   void FetchIcon();
     97 
     98   // Callback of icon download.
     99   void OnIconDownloaded(bool errored, const SkBitmap& image);
    100 
    101   // The tab whose URL is being turned into an app.
    102   TabContentsWrapper* tab_contents_;
    103 
    104   // Pending app icon download tracked by us.
    105   class IconDownloadCallbackFunctor;
    106   IconDownloadCallbackFunctor* pending_download_;
    107 
    108   // Unprocessed icons from the WebApplicationInfo passed in.
    109   web_app::IconInfoList unprocessed_icons_;
    110 
    111   DISALLOW_COPY_AND_ASSIGN(CreateUrlApplicationShortcutView);
    112 };
    113 
    114 // Create an application shortcut pointing to a chrome application.
    115 class CreateChromeApplicationShortcutView
    116    : public CreateApplicationShortcutView,
    117      public ImageLoadingTracker::Observer {
    118  public:
    119   explicit CreateChromeApplicationShortcutView(Profile* profile,
    120                                                const Extension* app);
    121   virtual ~CreateChromeApplicationShortcutView();
    122 
    123   // Implement ImageLoadingTracker::Observer.  |tracker_| is used to
    124   // load the app's icon.  This method recieves the icon, and adds
    125   // it to the "Create Shortcut" dailog box.
    126   virtual void OnImageLoaded(SkBitmap* image,
    127                              const ExtensionResource& resource,
    128                              int index);
    129 
    130  private:
    131   const Extension* app_;
    132   ImageLoadingTracker tracker_;
    133 
    134   DISALLOW_COPY_AND_ASSIGN(CreateChromeApplicationShortcutView);
    135 };
    136 
    137 
    138 #endif  // CHROME_BROWSER_UI_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_
    139