Implementing accelerators for Linux toolkit_views

base/message_pump_glib.cc

 // Copyright (c) 2008 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 "base/message_pump_glib.h"
 
 #include <fcntl.h>
 #include <math.h>
 
 #include "base/eintr_wrapper.h"
@@ skipping 135 matching lines @@
 
 MessagePumpForUI::~MessagePumpForUI() {
   gdk_event_handler_set(reinterpret_cast<GdkEventFunc>(gtk_main_do_event),
                         this, NULL);
   g_source_destroy(work_source_);
   g_source_unref(work_source_);
   close(wakeup_pipe_read_);
   close(wakeup_pipe_write_);
 }
 
-void MessagePumpForUI::Run(Delegate* delegate) {
+void MessagePumpForUI::RunWithDispatcher(Delegate* delegate,
+                                         Dispatcher* dispatcher) {
 #ifndef NDEBUG
   // Make sure we only run this on one thread.  GTK only has one message pump
   // so we can only have one UI loop per process.
   static PlatformThreadId thread_id = PlatformThread::CurrentId();
   DCHECK(thread_id == PlatformThread::CurrentId()) <<
       "Running MessagePumpForUI on two different threads; "
       "this is unsupported by GLib!";
 #endif
 
   RunState state;
   state.delegate = delegate;
+  state.dispatcher = dispatcher;
   state.should_quit = false;
   state.run_depth = state_ ? state_->run_depth + 1 : 1;
   state.has_work = false;
 
   RunState* previous_state = state_;
   state_ = &state;
 
   // We really only do a single task for each iteration of the loop.  If we
   // have done something, assume there is likely something more to do.  This
   // will mean that we don't block on the message pump until there was nothing
@@ skipping 124 matching lines @@
 
 void MessagePumpForUI::ScheduleDelayedWork(const Time& delayed_work_time) {
   // We need to wake up the loop in case the poll timeout needs to be
   // adjusted.  This will cause us to try to do work, but that's ok.
   delayed_work_time_ = delayed_work_time;
   ScheduleWork();
 }
 
 // static
 void MessagePumpForUI::EventDispatcher(GdkEvent* event, gpointer data) {
-  reinterpret_cast<MessagePumpForUI*>(data)->WillProcessEvent(event);
-  gtk_main_do_event(event);
-  reinterpret_cast<MessagePumpForUI*>(data)->DidProcessEvent(event);
+  MessagePumpForUI* message_pump = reinterpret_cast<MessagePumpForUI*>(data);
+
+  message_pump->WillProcessEvent(event);
+  if (message_pump->state_->dispatcher) {
+    if (!message_pump->state_->dispatcher->Dispatch(event))
+      message_pump->state_->should_quit = true;
+  } else {
+    gtk_main_do_event(event);
+  }
+  message_pump->DidProcessEvent(event);
 }
 
 }  // namespace base