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