Merge aura::DispatcherLinux into base::MessagePumpAuraX11.

ui/aura/dispatcher_linux.cc

-// 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()
-    : x_root_window_(
-        DefaultRootWindow(base::MessagePumpAuraX11::GetDefaultXDisplay())) {
-  base::MessagePumpAuraX11::SetDefaultDispatcher(this);
-  MessageLoopForUI::current()->AddObserver(this);
-}
-
-DispatcherLinux::~DispatcherLinux() {
-  MessageLoopForUI::current()->RemoveObserver(this);
-  base::MessagePumpAuraX11::SetDefaultDispatcher(NULL);
-}
-
-void DispatcherLinux::AddDispatcherForWindow(
-    MessageLoop::Dispatcher* dispatcher,
-    ::Window x_window) {
-  dispatchers_.insert(std::make_pair(x_window, dispatcher));
-}
-
-void DispatcherLinux::RemoveDispatcherForWindow(::Window x_window) {
-  dispatchers_.erase(x_window);
-}
-
-void DispatcherLinux::AddDispatcherForRootWindow(
-    MessageLoop::Dispatcher* dispatcher) {
-  DCHECK(std::find(root_window_dispatchers_.begin(),
-                   root_window_dispatchers_.end(),
-                   dispatcher) ==
-         root_window_dispatchers_.end());
-  root_window_dispatchers_.push_back(dispatcher);
-}
-
-void DispatcherLinux::RemoveDispatcherForRootWindow(
-    MessageLoop::Dispatcher* dispatcher) {
-  root_window_dispatchers_.erase(
-      std::remove(root_window_dispatchers_.begin(),
-                  root_window_dispatchers_.end(),
-                  dispatcher));
-}
-
-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;
-  }
-  if (xev->xany.window == x_root_window_) {
-    for (Dispatchers::const_iterator it = root_window_dispatchers_.begin();
-         it != root_window_dispatchers_.end();
-         ++it) {
-      (*it)->Dispatch(xev);
-    }
-    return true;
-  }
-  MessageLoop::Dispatcher* dispatcher = GetDispatcherForXEvent(xev);
-  return dispatcher ? dispatcher->Dispatch(xev) : true;
-}
-
-base::EventStatus DispatcherLinux::WillProcessEvent(
-    const base::NativeEvent& event) {
-  return base::EVENT_CONTINUE;
-}
-
-void DispatcherLinux::DidProcessEvent(const base::NativeEvent& event) {
-}
-
-MessageLoop::Dispatcher* DispatcherLinux::GetDispatcherForXEvent(
-    XEvent* xev) const {
-  ::Window x_window = xev->xany.window;
-  if (xev->type == GenericEvent) {
-    XIDeviceEvent* xievent = static_cast<XIDeviceEvent*>(xev->xcookie.data);
-    x_window = xievent->event;
-  }
-  DispatchersMap::const_iterator it = dispatchers_.find(x_window);
-  return it != dispatchers_.end() ? it->second : NULL;
-}
-
-MessageLoop::Dispatcher* CreateDispatcher() {
-  return new DispatcherLinux;
-}
-
-}  // namespace aura