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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/aura/dispatcher_linux.h"
#include <X11/extensions/XInput2.h>
#include "ui/base/events.h"
namespace aura {
DispatcherLinux::DispatcherLinux() {
base::MessagePumpX::SetDefaultDispatcher(this);
}
DispatcherLinux::~DispatcherLinux() {
base::MessagePumpX::SetDefaultDispatcher(NULL);
}
void DispatcherLinux::WindowDispatcherCreated(
::Window window,
MessageLoop::Dispatcher* dispatcher) {
dispatchers_.insert(std::make_pair(window, dispatcher));
}
void DispatcherLinux::WindowDispatcherDestroying(::Window window) {
dispatchers_.erase(window);
}
bool DispatcherLinux::Dispatch(const base::NativeEvent& xev) {
// XI_HierarchyChanged events are special. There is no window associated with
// these events. So process them directly from here.
if (xev->type == GenericEvent &&
xev->xgeneric.evtype == XI_HierarchyChanged) {
ui::UpdateDeviceList();
return true;
}
// MappingNotify events (meaning that the keyboard or pointer buttons have
// been remapped) aren't associated with a window; send them to all
// dispatchers.
if (xev->type == MappingNotify) {
for (DispatchersMap::const_iterator it = dispatchers_.begin();
it != dispatchers_.end(); ++it) {
it->second->Dispatch(xev);
}
return true;
}
MessageLoop::Dispatcher* dispatcher = GetDispatcherForXEvent(xev);
return dispatcher ? dispatcher->Dispatch(xev) : true;
}
MessageLoop::Dispatcher* DispatcherLinux::GetDispatcherForXEvent(
XEvent* xev) const {
::Window window = xev->xany.window;
if (xev->type == GenericEvent) {
XIDeviceEvent* xievent = static_cast<XIDeviceEvent*>(xev->xcookie.data);
window = xievent->event;
}
DispatchersMap::const_iterator it = dispatchers_.find(window);
return it != dispatchers_.end() ? it->second : NULL;
}
MessageLoop::Dispatcher* CreateDispatcher() {
return new DispatcherLinux;
}
} // namespace aura
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