ui/events/test/platform_event_waiter.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/events/test/platform_event_waiter.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "ui/events/platform/platform_event_source.h"
   9
  10 namespace ui {
  11
  12 PlatformEventWaiter::PlatformEventWaiter(
  13     const base::Closure& success_callback,
  14     const PlatformEventMatcher& event_matcher)
  15     : success_callback_(success_callback),
  16       event_matcher_(event_matcher) {
  17   PlatformEventSource::GetInstance()->AddPlatformEventObserver(this);
  18 }
  19
  20 PlatformEventWaiter::~PlatformEventWaiter() {
  21   PlatformEventSource::GetInstance()->RemovePlatformEventObserver(this);
  22 }
  23
  24 void PlatformEventWaiter::WillProcessEvent(const PlatformEvent& event) {
  25   if (event_matcher_.Run(event)) {
  26     base::MessageLoop::current()->PostTask(FROM_HERE, success_callback_);
  27     delete this;
  28   }
  29 }
  30
  31 void PlatformEventWaiter::DidProcessEvent(const PlatformEvent& event) {
  32 }
  33
  34 // static
  35 PlatformEventWaiter* PlatformEventWaiter::Create(
  36     const base::Closure& success_callback,
  37     const PlatformEventMatcher& event_matcher) {
  38   return new PlatformEventWaiter(success_callback, event_matcher);
  39 }
  40
  41 }  // namespace ui