1 // Copyright (c) 2013 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/ozone/event_factory_ozone.h" 6 7 #include "base/command_line.h" 8 #include "base/message_loop/message_pump_ozone.h" 9 #include "base/stl_util.h" 10 #include "base/strings/stringprintf.h" 11 #include "ui/events/event_switches.h" 12 13 namespace ui { 14 15 // static 16 EventFactoryOzone* EventFactoryOzone::impl_ = NULL; 17 EventFactoryOzone()18EventFactoryOzone::EventFactoryOzone() {} 19 ~EventFactoryOzone()20EventFactoryOzone::~EventFactoryOzone() { 21 // Always delete watchers before converters to prevent a possible race. 22 STLDeleteValues<std::map<int, FDWatcher> >(&watchers_); 23 STLDeleteValues<std::map<int, Converter> >(&converters_); 24 } 25 GetInstance()26EventFactoryOzone* EventFactoryOzone::GetInstance() { 27 CHECK(impl_) << "No EventFactoryOzone implementation set."; 28 return impl_; 29 } 30 SetInstance(EventFactoryOzone * impl)31void EventFactoryOzone::SetInstance(EventFactoryOzone* impl) { impl_ = impl; } 32 StartProcessingEvents()33void EventFactoryOzone::StartProcessingEvents() {} 34 AddEventConverter(int fd,scoped_ptr<EventConverterOzone> converter)35void EventFactoryOzone::AddEventConverter( 36 int fd, 37 scoped_ptr<EventConverterOzone> converter) { 38 CHECK(watchers_.count(fd) == 0 && converters_.count(fd) == 0); 39 40 FDWatcher watcher = new base::MessagePumpLibevent::FileDescriptorWatcher(); 41 42 base::MessagePumpOzone::Current()->WatchFileDescriptor( 43 fd, 44 true, 45 base::MessagePumpLibevent::WATCH_READ, 46 watcher, 47 converter.get()); 48 49 converters_[fd] = converter.release(); 50 watchers_[fd] = watcher; 51 } 52 RemoveEventConverter(int fd)53void EventFactoryOzone::RemoveEventConverter(int fd) { 54 // Always delete watchers before converters to prevent a possible race. 55 delete watchers_[fd]; 56 delete converters_[fd]; 57 watchers_.erase(fd); 58 converters_.erase(fd); 59 } 60 61 } // namespace ui 62