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content / common / input / synthetic_pinch_gesture.cc [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/common/input/synthetic_pinch_gesture.h"
#include <memory>
#include "content/common/input/synthetic_touchpad_pinch_gesture.h"
#include "content/common/input/synthetic_touchscreen_pinch_gesture.h"
namespace content {
SyntheticPinchGesture::SyntheticPinchGesture(
const SyntheticPinchGestureParams& params)
: SyntheticGestureBase(params) {
CHECK_EQ(SyntheticGestureParams::PINCH_GESTURE, params.GetGestureType());
}
SyntheticPinchGesture::~SyntheticPinchGesture() = default;
SyntheticGesture::Result SyntheticPinchGesture::ForwardInputEvents(
const base::TimeTicks& timestamp,
SyntheticGestureTarget* target) {
DCHECK(dispatching_controller_);
if (!lazy_gesture_) {
content::mojom::GestureSourceType source_type =
params().gesture_source_type;
if (source_type == content::mojom::GestureSourceType::kDefaultInput) {
source_type = target->GetDefaultSyntheticGestureSourceType();
}
DCHECK_NE(content::mojom::GestureSourceType::kDefaultInput, source_type);
if (source_type == content::mojom::GestureSourceType::kTouchInput) {
lazy_gesture_ =
std::make_unique<SyntheticTouchscreenPinchGesture>(params());
} else {
DCHECK_EQ(content::mojom::GestureSourceType::kMouseInput, source_type);
lazy_gesture_ = std::make_unique<SyntheticTouchpadPinchGesture>(params());
}
lazy_gesture_->DidQueue(dispatching_controller_);
}
return lazy_gesture_->ForwardInputEvents(timestamp, target);
}
void SyntheticPinchGesture::WaitForTargetAck(
base::OnceClosure callback,
SyntheticGestureTarget* target) const {
target->WaitForTargetAck(params().GetGestureType(),
params().gesture_source_type, std::move(callback));
}
} // namespace content