javascript_app_modal_event_blocker_x11.h revision e5d81f57cb97b3b6b7fccc9c5610d21eb81db09d 
1// Copyright 2014 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_JAVASCRIPT_APP_MODAL_EVENT_BLOCKER_X11_H_
6#define CHROME_BROWSER_UI_VIEWS_JAVASCRIPT_APP_MODAL_EVENT_BLOCKER_X11_H_
7
8#include "ui/events/event_handler.h"
9
10class BrowserView;
11
12namespace aura {
13class Window;
14}
15
16// JavascriptAppModalEventBlockerX11 blocks events to all browser windows except
17// the browser window which hosts |app_modal_window| for the duration of its
18// lifetime. JavascriptAppModalEventBlockerX11 should not outlive
19// |app_modal_window|.
20// TODO(pkotwicz): Merge this class into WindowModalityController.
21class JavascriptAppModalEventBlockerX11 : public ui::EventHandler {
22 public:
23  explicit JavascriptAppModalEventBlockerX11(aura::Window* app_modal_window);
24  virtual ~JavascriptAppModalEventBlockerX11();
25
26 private:
27  // Returns true if the propagation of events to |target| should be stopped.
28  bool ShouldStopPropagationTo(ui::EventTarget* target);
29
30  // ui::EventHandler:
31  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
32  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
33  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
34  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
35
36  // The app modal dialog.
37  aura::Window* modal_window_;
38
39  // The BrowserView which hosts the app modal dialog.
40  BrowserView* browser_view_with_modal_dialog_;
41
42  DISALLOW_COPY_AND_ASSIGN(JavascriptAppModalEventBlockerX11);
43};
44
45#endif  // CHROME_BROWSER_UI_VIEWS_JAVASCRIPT_APP_MODAL_EVENT_BLOCKER_X11_H_
46