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// Copyright (c) 2011 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 "views/touchui/gesture_manager.h"
#ifndef NDEBUG
#include <ostream>
#endif
#include "base/logging.h"
#include "views/events/event.h"
#include "views/view.h"
#include "views/views_delegate.h"
#include "views/widget/widget.h"
namespace views {
GestureManager::~GestureManager() {
}
GestureManager* GestureManager::GetInstance() {
return Singleton<GestureManager>::get();
}
bool GestureManager::ProcessTouchEventForGesture(const TouchEvent& event,
View* source,
ui::TouchStatus status) {
if (status != ui::TOUCH_STATUS_UNKNOWN)
return false; // The event was consumed by a touch sequence.
// TODO(rjkroege): A realistic version of the GestureManager will
// appear in a subsequent CL. This interim version permits verifying that the
// event distribution code works by turning all touch inputs into
// mouse approximations.
// Conver the touch-event into a mouse-event. This mouse-event gets its
// location information from the native-event, so it needs to convert the
// coordinate to the target widget.
MouseEvent mouseev(event);
if (ViewsDelegate::views_delegate->GetDefaultParentView()) {
// TODO(oshima): We may need to send the event back through
// window manager to handle mouse capture correctly.
Widget* desktop =
ViewsDelegate::views_delegate->GetDefaultParentView()->GetWidget();
Widget* source_widget = source->GetWidget();
MouseEvent converted(
mouseev, desktop->GetRootView(), source_widget->GetRootView());
source_widget->OnMouseEvent(converted);
} else {
Widget* source_widget = source->GetWidget();
Widget* top_widget = source_widget->GetTopLevelWidget();
if (source_widget != top_widget) {
// This is necessary as TYPE_CHILD widget is still NativeWidgetGtk.
// Fix this once TYPE_CHILD is switched to NativeWidgetViews.
MouseEvent converted(mouseev,
top_widget->GetRootView(),
source_widget->GetRootView());
source_widget->OnMouseEvent(mouseev);
} else {
source_widget->OnMouseEvent(mouseev);
}
}
return true;
}
GestureManager::GestureManager() {
}
} // namespace views
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