chrome/browser/ui/cocoa/web_contents_modal_dialog_manager_views_mac.h

   1 // Copyright 2015 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_COCOA_WEB_CONTENTS_MODAL_DIALOG_MANAGER_VIEWS_MAC_H_
   6 #define CHROME_BROWSER_UI_COCOA_WEB_CONTENTS_MODAL_DIALOG_MANAGER_VIEWS_MAC_H_
   7
   8 #import "base/mac/scoped_nsobject.h"
   9 #include "components/web_modal/single_web_contents_dialog_manager.h"
  10 #include "ui/views/widget/widget_observer.h"
  11
  12 @class NSWindow;
  13 @class WrappedConstrainedWindowSheet;
  14
  15 // WebContents dialog manager for a toolkit-views dialog parented off a Cocoa
  16 // browser window. Most of the modality behavior is still performed by the Cocoa
  17 // based ConstrainedWindowSheetController. This class bridges the expectations
  18 // of a toolkit-views dialog to the Cocoa ConstrainedWindowSheetController.
  19 // Note that this is not a web_modal::ModalDialogHostObserver. This is because
  20 // tabs in a Cocoa browser can't be dragged off their window if they have a tab-
  21 // modal dialog open, so the ModalDialogHost is only used by the views plumbing
  22 // when creating the dialog.
  23 class SingleWebContentsDialogManagerViewsMac
  24     : public web_modal::SingleWebContentsDialogManager,
  25       public views::WidgetObserver {
  26  public:
  27   SingleWebContentsDialogManagerViewsMac(
  28       NSWindow* dialog,
  29       web_modal::SingleWebContentsDialogManagerDelegate* delegate);
  30
  31   ~SingleWebContentsDialogManagerViewsMac() override;
  32
  33   // SingleWebContentsDialogManager:
  34   void Show() override;
  35   void Hide() override;
  36   void Close() override;
  37   void Focus() override;
  38   void Pulse() override;
  39   void HostChanged(web_modal::WebContentsModalDialogHost* new_host) override;
  40   gfx::NativeWindow dialog() override;
  41
  42   // views::WidgetObserver:
  43   void OnWidgetClosing(views::Widget* widget) override;
  44   void OnWidgetDestroying(views::Widget* widget) override;
  45
  46  private:
  47   base::scoped_nsobject<WrappedConstrainedWindowSheet> sheet_;
  48   // Weak. Owns this.
  49   web_modal::SingleWebContentsDialogManagerDelegate* delegate_;
  50   // Weak. Owned by parent window.
  51   web_modal::WebContentsModalDialogHost* host_;
  52
  53   views::Widget* widget_;  // Weak. Deletes |this| when closing.
  54
  55   DISALLOW_COPY_AND_ASSIGN(SingleWebContentsDialogManagerViewsMac);
  56 };
  57
  58 #endif  // CHROME_BROWSER_UI_COCOA_WEB_CONTENTS_MODAL_DIALOG_MANAGER_VIEWS_MAC_H_