chrome/browser/ui/webui/constrained_web_dialog_delegate_base.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_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
  10 #include "ui/web_dialogs/web_dialog_ui.h"
  11 #include "ui/web_dialogs/web_dialog_web_contents_delegate.h"
  12
  13 namespace content {
  14 class BrowserContext;
  15 }
  16
  17 namespace ui {
  18 class WebDialogDelegate;
  19 }
  20
  21 // Platform-agnostic base implementation of ConstrainedWebDialogDelegate.
  22 class ConstrainedWebDialogDelegateBase
  23     : public ConstrainedWebDialogDelegate,
  24       public ui::WebDialogWebContentsDelegate {
  25  public:
  26   ConstrainedWebDialogDelegateBase(
  27       content::BrowserContext* browser_context,
  28       ui::WebDialogDelegate* delegate,
  29       WebDialogWebContentsDelegate* tab_delegate);
  30   virtual ~ConstrainedWebDialogDelegateBase();
  31
  32   bool closed_via_webui() const;
  33
  34   // ConstrainedWebDialogDelegate interface.
  35   virtual const ui::WebDialogDelegate*
  36       GetWebDialogDelegate() const OVERRIDE;
  37   virtual ui::WebDialogDelegate* GetWebDialogDelegate() OVERRIDE;
  38   virtual void OnDialogCloseFromWebUI() OVERRIDE;
  39   virtual void ReleaseWebContentsOnDialogClose() OVERRIDE;
  40   virtual web_modal::NativeWebContentsModalDialog GetNativeDialog() OVERRIDE;
  41   virtual content::WebContents* GetWebContents() OVERRIDE;
  42
  43   // WebDialogWebContentsDelegate interface.
  44   virtual void HandleKeyboardEvent(
  45       content::WebContents* source,
  46       const content::NativeWebKeyboardEvent& event) OVERRIDE;
  47
  48  private:
  49   scoped_ptr<ui::WebDialogDelegate> web_dialog_delegate_;
  50
  51   // Holds the HTML to display in the constrained dialog.
  52   scoped_ptr<content::WebContents> web_contents_;
  53
  54   // Was the dialog closed from WebUI (in which case |web_dialog_delegate_|'s
  55   // OnDialogClosed() method has already been called)?
  56   bool closed_via_webui_;
  57
  58   // If true, release |web_contents_| on close instead of destroying it.
  59   bool release_contents_on_close_;
  60
  61   scoped_ptr<WebDialogWebContentsDelegate> override_tab_delegate_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateBase);
  64 };
  65
  66 #endif  // CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_