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// Copyright 2018 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 "ui/aura/mus/gesture_synchronizer.h"
#include "services/ws/public/mojom/window_tree.mojom.h"
#include "ui/aura/env.h"
#include "ui/aura/mus/window_mus.h"
#include "ui/aura/window.h"
#include "ui/events/gestures/gesture_recognizer.h"
namespace aura {
GestureSynchronizer::GestureSynchronizer(ws::mojom::WindowTree* window_tree)
: window_tree_(window_tree) {
Env::GetInstance()->gesture_recognizer()->AddObserver(this);
}
GestureSynchronizer::~GestureSynchronizer() {
Env::GetInstance()->gesture_recognizer()->RemoveObserver(this);
}
void GestureSynchronizer::OnActiveTouchesCanceledExcept(
ui::GestureConsumer* not_cancelled) {
ws::Id not_cancelled_window_id = kInvalidServerId;
if (not_cancelled) {
WindowMus* not_cancelled_window =
WindowMus::Get(static_cast<Window*>(not_cancelled));
not_cancelled_window_id = not_cancelled_window->server_id();
}
window_tree_->CancelActiveTouchesExcept(not_cancelled_window_id);
}
void GestureSynchronizer::OnEventsTransferred(
ui::GestureConsumer* current_consumer,
ui::GestureConsumer* new_consumer,
ui::TransferTouchesBehavior transfer_touches_behavior) {
WindowMus* current_window =
WindowMus::Get(static_cast<Window*>(current_consumer));
WindowMus* new_window = WindowMus::Get(static_cast<Window*>(new_consumer));
DCHECK(current_window);
DCHECK(new_window);
window_tree_->TransferGestureEventsTo(
current_window->server_id(), new_window->server_id(),
transfer_touches_behavior == ui::TransferTouchesBehavior::kCancel);
}
void GestureSynchronizer::OnActiveTouchesCanceled(
ui::GestureConsumer* consumer) {
WindowMus* window = WindowMus::Get(static_cast<Window*>(consumer));
window_tree_->CancelActiveTouches(window->server_id());
}
} // namespace aura
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