ui/views/event_monitor_aura.cc

   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 #include "ui/views/event_monitor_aura.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/aura/env.h"
   9 #include "ui/aura/window.h"
  10 #include "ui/events/event_target.h"
  11
  12 namespace views {
  13
  14 // static
  15 scoped_ptr<EventMonitor> EventMonitor::CreateApplicationMonitor(
  16     ui::EventHandler* event_handler) {
  17   return make_scoped_ptr(
  18       new EventMonitorAura(event_handler, aura::Env::GetInstance()));
  19 }
  20
  21 // static
  22 scoped_ptr<EventMonitor> EventMonitor::CreateWindowMonitor(
  23     ui::EventHandler* event_handler,
  24     gfx::NativeWindow target_window) {
  25   return make_scoped_ptr(new EventMonitorAura(event_handler, target_window));
  26 }
  27
  28 // static
  29 gfx::Point EventMonitor::GetLastMouseLocation() {
  30   return aura::Env::GetInstance()->last_mouse_location();
  31 }
  32
  33 EventMonitorAura::EventMonitorAura(ui::EventHandler* event_handler,
  34                                    ui::EventTarget* event_target)
  35     : event_handler_(event_handler), event_target_(event_target) {
  36   DCHECK(event_handler_);
  37   DCHECK(event_target_);
  38   event_target_->AddPreTargetHandler(event_handler_);
  39 }
  40
  41 EventMonitorAura::~EventMonitorAura() {
  42   event_target_->RemovePreTargetHandler(event_handler_);
  43 }
  44
  45 }  // namespace views