touchui: Directly process key and mouse events.

base/message_pump_glib_x_dispatch.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_DISPATCH_H
+#define BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H
+
+#include "base/message_pump.h"
+#include "base/message_pump_glib.h"
+
+typedef union _XEvent XEvent;
+
+namespace base {
+
+// The message pump used for TOUCH_UI on linux is MessagePumpGlibX, which can
+// dispatch both GdkEvents* and XEvents* captured directly from X.
+// MessagePumpForUI::Dispatcher provides the mechanism for dispatching
+// GdkEvents. This class provides additional mechanism for dispatching XEvents.
+class MessagePumpGlibXDispatcher : public MessagePumpForUI::Dispatcher {
+ public:
+  // Dispatches the event. If true is returned processing continues as
+  // normal. If false is returned, the nested loop exits immediately.
+  virtual bool Dispatch(XEvent* xevent) = 0;
+};
+
+}  // namespace base
+
+#endif  // BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H