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// 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.
#include "views/touchui/gesture_manager.h"
#ifndef NDEBUG
#include <iostream>
#endif
#include "base/logging.h"
#include "views/events/event.h"
#include "views/view.h"
namespace views {
GestureManager::~GestureManager() {
}
GestureManager* GestureManager::GetInstance() {
return Singleton<GestureManager>::get();
}
bool GestureManager::ProcessTouchEventForGesture(const TouchEvent& event,
View* source,
View::TouchStatus status) {
if (status != View::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.
// TODO(sad): Clean this up.
// This is currently only called where |source| is a RootView. Now, RootView
// expects the mouse-events in the widget's coordinate system, and not in the
// RV's coordinate system. But |event| is in the RV's coordinate system. So it
// is necessary to construct the synthetic event in the widget's coordinate
// system.
gfx::Point location = event.location();
View::ConvertPointToWidget(source, &location);
if (event.type() == ui::ET_TOUCH_PRESSED) {
DVLOG(1) << "GestureManager::ProcessTouchEventForGesture: TouchPressed";
MouseEvent mouse_event(ui::ET_MOUSE_PRESSED, location.x(), location.y(),
event.flags());
source->OnMousePressed(mouse_event);
return true;
}
if (event.type() == ui::ET_TOUCH_RELEASED) {
DVLOG(1) << "GestureManager::ProcessTouchEventForGesture: TouchReleased";
MouseEvent mouse_event(ui::ET_MOUSE_RELEASED, location.x(), location.y(),
event.flags());
source->OnMouseReleased(mouse_event, false);
return true;
}
if (event.type() == ui::ET_TOUCH_MOVED) {
DVLOG(1) << "GestureManager::ProcessTouchEventForGesture: TouchMotion";
MouseEvent mouse_event(ui::ET_MOUSE_DRAGGED, location.x(), location.y(),
event.flags());
source->OnMouseDragged(mouse_event);
return true;
}
DVLOG(1) << "GestureManager::ProcessTouchEventForGesture: unhandled event";
return false;
}
GestureManager::GestureManager() {
}
} // namespace views
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