Revert 63397 - Add a message pump for touchui=1...

base/message_pump_glib_x.h

-// Copyright (c) 2010 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.
-
-#ifndef BASE_MESSAGE_PUMP_GLIB_X_H
-#define BASE_MESSAGE_PUMP_GLIB_X_H
-
-#include "base/message_pump.h"
-#include "base/message_pump_glib.h"
-
-#include <bitset>
-
-#include <glib.h>
-#include <gtk/gtk.h>
-#include <X11/X.h>
-
-namespace base {
-
-class MessagePumpGlibX : public MessagePumpForUI {
- public:
-  MessagePumpGlibX();
-  virtual ~MessagePumpGlibX();
-
-  // MessagePumpForUI implementation.
-  virtual bool RunOnce(GMainContext* context, bool block);
-
-  // Indicates whether a GDK event was injected by chrome (when |true|) or if it
-  // was captured and being processed by GDK (when |false|).
-  bool IsDispatchingEvent(void) { return dispatching_event_; }
-
- private:
-  static void EventDispatcherX(GdkEvent* event, gpointer data);
-
-  // Update the lookup table and flag the events that should be captured and
-  // processed so that GDK doesn't get to them.
-  void InitializeEventsToCapture(void);
-
-  // The event source for GDK events.
-  GSource* gdksource_;
-
-  // Indicates whether a GDK event was injected by chrome (when |true|) or if it
-  // was captured and being processed by GDK (when |false|).
-  bool dispatching_event_;
-
-#if ! GTK_CHECK_VERSION(2,18,0)
-// GDK_EVENT_LAST was introduced in GTK+ 2.18.0. For earlier versions, we pick a
-// large enough value (the value of GDK_EVENT_LAST in 2.18.0) so that it works
-// for all versions.
-#define GDK_EVENT_LAST 37
-#endif
-
-  // We do not want to process all the events ourselves. So we use a lookup
-  // table to quickly check if a particular event should be handled by us or if
-  // it should be passed on to the default GDK handler.
-  std::bitset<LASTEvent> capture_x_events_;
-  std::bitset<GDK_EVENT_LAST> capture_gdk_events_;
-
-  DISALLOW_COPY_AND_ASSIGN(MessagePumpGlibX);
-};
-
-}  // namespace base
-
-#endif  // BASE_MESSAGE_PUMP_GLIB_X_H