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(content::BrowserContext* browser_context,
  27                                    ui::WebDialogDelegate* delegate,
  28                                    WebDialogWebContentsDelegate* tab_delegate);
  29   ~ConstrainedWebDialogDelegateBase() override;
  30
  31   bool closed_via_webui() const;
  32
  33   // ConstrainedWebDialogDelegate interface.
  34   const ui::WebDialogDelegate* GetWebDialogDelegate() const override;
  35   ui::WebDialogDelegate* GetWebDialogDelegate() override;
  36   void OnDialogCloseFromWebUI() override;
  37   void ReleaseWebContentsOnDialogClose() override;
  38   content::WebContents* GetWebContents() override;
  39   gfx::NativeWindow GetNativeDialog() override;
  40   gfx::Size GetMinimumSize() const override;
  41   gfx::Size GetMaximumSize() const override;
  42   gfx::Size GetPreferredSize() const override;
  43
  44   // WebDialogWebContentsDelegate interface.
  45   void HandleKeyboardEvent(
  46       content::WebContents* source,
  47       const content::NativeWebKeyboardEvent& event) override;
  48
  49  private:
  50   scoped_ptr<ui::WebDialogDelegate> web_dialog_delegate_;
  51
  52   // Holds the HTML to display in the constrained dialog.
  53   scoped_ptr<content::WebContents> web_contents_;
  54
  55   // Was the dialog closed from WebUI (in which case |web_dialog_delegate_|'s
  56   // OnDialogClosed() method has already been called)?
  57   bool closed_via_webui_;
  58
  59   // If true, release |web_contents_| on close instead of destroying it.
  60   bool release_contents_on_close_;
  61
  62   scoped_ptr<WebDialogWebContentsDelegate> override_tab_delegate_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateBase);
  65 };
  66
  67 #endif  // CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_