Add a message pump for touchui=1

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 <gtk/gtk.h>
@@ skipping 189 matching lines @@
   // first iteration of the loop, so RunAllPending() works correctly.
   bool more_work_is_plausible = true;
 
   // We run our own loop instead of using g_main_loop_quit in one of the
   // callbacks.  This is so we only quit our own loops, and we don't quit
   // nested loops run by others.  TODO(deanm): Is this what we want?
   for (;;) {
     // Don't block if we think we have more work to do.
     bool block = !more_work_is_plausible;
 
-    // g_main_context_iteration returns true if events have been dispatched.
-    more_work_is_plausible = g_main_context_iteration(context_, block);
+    more_work_is_plausible = RunOnce(context_, block);
     if (state_->should_quit)
       break;
 
     more_work_is_plausible |= state_->delegate->DoWork();
     if (state_->should_quit)
       break;
 
     more_work_is_plausible |=
         state_->delegate->DoDelayedWork(&delayed_work_time_);
     if (state_->should_quit)
       break;
 
     if (more_work_is_plausible)
       continue;
 
     more_work_is_plausible = state_->delegate->DoIdleWork();
     if (state_->should_quit)
       break;
   }
 
   state_ = previous_state;
 }
 
+bool MessagePumpForUI::RunOnce(GMainContext* context, bool block) {
+  // g_main_context_iteration returns true if events have been dispatched.
+  return g_main_context_iteration(context, block);
+}
+
 // Return the timeout we want passed to poll.
 int MessagePumpForUI::HandlePrepare() {
   // We know we have work, but we haven't called HandleDispatch yet. Don't let
   // the pump block so that we can do some processing.
   if (state_ &&  // state_ may be null during tests.
       state_->has_work)
     return 0;
 
   // We don't think we have work to do, but make sure not to block
   // longer than the next time we need to run delayed work.
@@ skipping 80 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();
 }
 
+void MessagePumpForUI::DispatchEvents(GdkEvent* event) {
+  WillProcessEvent(event);
+  if (state_ && state_->dispatcher) { // state_ may be null during tests.
+    if (!state_->dispatcher->Dispatch(event))
+      state_->should_quit = true;
+  } else {
+    gtk_main_do_event(event);
+  }
+  DidProcessEvent(event);
+}
+
 // static
 void MessagePumpForUI::EventDispatcher(GdkEvent* event, gpointer data) {
   MessagePumpForUI* message_pump = reinterpret_cast<MessagePumpForUI*>(data);
-
-  message_pump->WillProcessEvent(event);
-  if (message_pump->state_ &&  // state_ may be null during tests.
-      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);
+  message_pump->DispatchEvents(event);
 }
 
 }  // namespace base