ash/wm/event_client_impl.cc

   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 #include "ash/wm/event_client_impl.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/shell_window_ids.h"
   9 #include "ui/aura/window.h"
  10
  11 namespace ash {
  12 namespace internal {
  13
  14 EventClientImpl::EventClientImpl() {
  15 }
  16
  17 EventClientImpl::~EventClientImpl() {
  18 }
  19
  20 bool EventClientImpl::CanProcessEventsWithinSubtree(
  21     const aura::Window* window) const {
  22   const aura::RootWindow* root_window =
  23       window ? window->GetRootWindow() : NULL;
  24   if (Shell::GetInstance()->IsScreenLocked() && root_window) {
  25     const aura::Window* lock_screen_containers = Shell::GetContainer(
  26         root_window,
  27         kShellWindowId_LockScreenContainersContainer);
  28     const aura::Window* lock_background_containers = Shell::GetContainer(
  29         root_window,
  30         kShellWindowId_LockScreenBackgroundContainer);
  31     const aura::Window* lock_screen_related_containers = Shell::GetContainer(
  32         root_window,
  33         kShellWindowId_LockScreenRelatedContainersContainer);
  34     return (window->Contains(lock_screen_containers) &&
  35         window->Contains(lock_background_containers) &&
  36         window->Contains(lock_screen_related_containers)) ||
  37         lock_screen_containers->Contains(window) ||
  38         lock_background_containers->Contains(window) ||
  39         lock_screen_related_containers->Contains(window);
  40   }
  41   return true;
  42 }
  43
  44 ui::EventTarget* EventClientImpl::GetToplevelEventTarget() {
  45   return Shell::GetInstance();
  46 }
  47
  48 }  // namespace internal
  49 }  // namespace ash