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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 #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
     42