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