chrome/browser/ui/views/extensions/extension_dialog.h

   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_EXTENSIONS_EXTENSION_DIALOG_H_
   6 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_
   7
   8 #include "base/logging.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "content/public/browser/notification_observer.h"
  11 #include "content/public/browser/notification_registrar.h"
  12 #include "ui/views/window/dialog_delegate.h"
  13
  14 class ExtensionDialogObserver;
  15 class GURL;
  16 class Profile;
  17
  18 namespace content {
  19 class WebContents;
  20 }
  21
  22 namespace extensions {
  23 class ExtensionViewHost;
  24 }
  25
  26 namespace ui {
  27 class BaseWindow;
  28 }
  29
  30 // Modal dialog containing contents provided by an extension.
  31 // Dialog is automatically centered in the owning window and has fixed size.
  32 // For example, used by the Chrome OS file browser.
  33 class ExtensionDialog : public views::DialogDelegate,
  34                         public content::NotificationObserver,
  35                         public base::RefCounted<ExtensionDialog> {
  36  public:
  37   // Create and show a dialog with |url| centered over the provided window.
  38   // |base_window| is the window to which the pop-up will be attached.
  39   // |profile| is the profile that the extension is registered with.
  40   // |web_contents| is the tab that spawned the dialog.
  41   // |width| and |height| are the size of the dialog in pixels.
  42   static ExtensionDialog* Show(const GURL& url,
  43                                ui::BaseWindow* base_window,
  44                                Profile* profile,
  45                                content::WebContents* web_contents,
  46                                int width,
  47                                int height,
  48                                int min_width,
  49                                int min_height,
  50                                const base::string16& title,
  51                                ExtensionDialogObserver* observer);
  52
  53   // Notifies the dialog that the observer has been destroyed and should not
  54   // be sent notifications.
  55   void ObserverDestroyed();
  56
  57   // Focus to the render view if possible.
  58   void MaybeFocusRenderView();
  59
  60   // Sets the window title.
  61   void set_title(const base::string16& title) { window_title_ = title; }
  62
  63   // Sets minimum contents size in pixels and makes the window resizable.
  64   void SetMinimumContentsSize(int width, int height);
  65
  66   extensions::ExtensionViewHost* host() const { return host_.get(); }
  67
  68   // views::DialogDelegate override.
  69   virtual int GetDialogButtons() const OVERRIDE;
  70   virtual bool CanResize() const OVERRIDE;
  71   virtual ui::ModalType GetModalType() const OVERRIDE;
  72   virtual bool ShouldShowWindowTitle() const OVERRIDE;
  73   virtual base::string16 GetWindowTitle() const OVERRIDE;
  74   virtual void WindowClosing() OVERRIDE;
  75   virtual void DeleteDelegate() OVERRIDE;
  76   virtual views::Widget* GetWidget() OVERRIDE;
  77   virtual const views::Widget* GetWidget() const OVERRIDE;
  78   virtual views::View* GetContentsView() OVERRIDE;
  79   virtual bool UseNewStyleForThisDialog() const OVERRIDE;
  80
  81   // content::NotificationObserver overrides.
  82   virtual void Observe(int type,
  83                        const content::NotificationSource& source,
  84                        const content::NotificationDetails& details) OVERRIDE;
  85
  86  protected:
  87   virtual ~ExtensionDialog();
  88
  89  private:
  90   friend class base::RefCounted<ExtensionDialog>;
  91
  92   // Use Show() to create instances.
  93   ExtensionDialog(extensions::ExtensionViewHost* host,
  94                   ExtensionDialogObserver* observer);
  95
  96   void InitWindow(ui::BaseWindow* base_window, int width, int height);
  97
  98   // Window Title
  99   base::string16 window_title_;
 100
 101   // The contained host for the view.
 102   scoped_ptr<extensions::ExtensionViewHost> host_;
 103
 104   content::NotificationRegistrar registrar_;
 105
 106   // The observer of this popup.
 107   ExtensionDialogObserver* observer_;
 108
 109   DISALLOW_COPY_AND_ASSIGN(ExtensionDialog);
 110 };
 111
 112 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_