X11: Remove calls to XSelectInput

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WHOLE_SCREEN_MOVE_LOOP_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WHOLE_SCREEN_MOVE_LOOP_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/x/x11_types.h"
 #include "ui/views/widget/desktop_aura/x11_move_loop.h"
 #include "ui/views/widget/desktop_aura/x11_move_loop_delegate.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ui {
 class MouseEvent;
 class ScopedEventDispatcher;
+class XScopedEventSelector;
 }
 
 namespace views {
 
 class Widget;
 
 // Runs a nested message loop and grabs the mouse. This is used to implement
 // dragging.
 class X11WholeScreenMoveLoop : public X11MoveLoop,
                                public ui::PlatformEventDispatcher {
@@ skipping 11 matching lines @@
   void EndMoveLoop() override;
 
  private:
   // Grabs the pointer, setting the mouse cursor to |cursor|. Returns true if
   // successful.
   bool GrabPointer(gfx::NativeCursor cursor);
 
   void GrabEscKey();
 
   // Creates an input-only window to be used during the drag.
-  XID CreateDragInputWindow(XDisplay* display);
+  void CreateDragInputWindow(XDisplay* display);
 
   // Dispatch mouse movement event to |delegate_| in a posted task.
   void DispatchMouseMovement();
 
   X11MoveLoopDelegate* delegate_;
 
   // Are we running a nested message loop from RunMoveLoop()?
   bool in_move_loop_;
   std::unique_ptr<ui::ScopedEventDispatcher> nested_dispatcher_;
 
   // Cursor in use prior to the move loop starting. Restored when the move loop
   // quits.
   gfx::NativeCursor initial_cursor_;
 
   bool should_reset_mouse_flags_;
 
   // An invisible InputOnly window. Keyboard grab and sometimes mouse grab
   // are set on this window.
   XID grab_input_window_;
 
+  // Events selected on |grab_input_window_|.
+  std::unique_ptr<ui::XScopedEventSelector> grab_input_window_events_;
+
   // Whether the pointer was grabbed on |grab_input_window_|.
   bool grabbed_pointer_;
 
   base::Closure quit_closure_;
 
   // Keeps track of whether the move-loop is cancled by the user (e.g. by
   // pressing escape).
   bool canceled_;
 
   std::unique_ptr<ui::MouseEvent> last_motion_in_screen_;
   base::WeakPtrFactory<X11WholeScreenMoveLoop> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(X11WholeScreenMoveLoop);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WHOLE_SCREEN_MOVE_LOOP_H_