michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef WIDGET_PUBLIC_WIDGETTRACEEVENT_H_
michael@0: #define WIDGET_PUBLIC_WIDGETTRACEEVENT_H_
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: // Perform any required initialization in the widget backend for
michael@0: // event tracing. Return true if initialization was successful.
michael@0: bool InitWidgetTracing();
michael@0: 
michael@0: // Perform any required cleanup in the widget backend for event tracing.
michael@0: void CleanUpWidgetTracing();
michael@0: 
michael@0: // Fire a tracer event at the UI-thread event loop, and block until
michael@0: // the event is processed. This should only be called by
michael@0: // a thread that's not the UI thread.
michael@0: bool FireAndWaitForTracerEvent();
michael@0: 
michael@0: // Signal that the event has been received by the event loop.
michael@0: void SignalTracerThread();
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif  // WIDGET_PUBLIC_WIDGETTRACEEVENT_H_