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      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 
     10 class BrowserView;
     11 
     12 namespace aura {
     13 class 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.
     21 class 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