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// Copyright 2017 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/browser/renderer_host/input/input_injector_impl.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/common/input/input_injector.mojom.h"
#include "content/common/input/synthetic_gesture.h"
#include "content/common/input/synthetic_pinch_gesture.h"
#include "content/common/input/synthetic_pointer_action.h"
#include "content/common/input/synthetic_smooth_drag_gesture.h"
#include "content/common/input/synthetic_smooth_scroll_gesture.h"
#include "content/common/input/synthetic_tap_gesture.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
namespace content {
namespace {
void SyntheticGestureCallback(base::OnceClosure callback,
SyntheticGesture::Result result) {
std::move(callback).Run();
}
} // namespace
InputInjectorImpl::InputInjectorImpl(
base::WeakPtr<RenderFrameHostImpl> frame_host)
: frame_host_(std::move(frame_host)) {}
InputInjectorImpl::~InputInjectorImpl() {}
void InputInjectorImpl::Create(
base::WeakPtr<RenderFrameHostImpl> frame_host,
mojo::PendingReceiver<mojom::InputInjector> receiver) {
mojo::MakeSelfOwnedReceiver(std::make_unique<InputInjectorImpl>(frame_host),
std::move(receiver));
}
void InputInjectorImpl::QueueSyntheticSmoothDrag(
const SyntheticSmoothDragGestureParams& drag,
QueueSyntheticSmoothDragCallback callback) {
QueueSyntheticGesture(
std::make_unique<SyntheticSmoothDragGesture>(drag),
base::BindOnce(SyntheticGestureCallback, std::move(callback)));
}
void InputInjectorImpl::QueueSyntheticSmoothScroll(
const SyntheticSmoothScrollGestureParams& scroll,
QueueSyntheticSmoothScrollCallback callback) {
QueueSyntheticGesture(
std::make_unique<SyntheticSmoothScrollGesture>(scroll),
base::BindOnce(SyntheticGestureCallback, std::move(callback)));
}
void InputInjectorImpl::QueueSyntheticPinch(
const SyntheticPinchGestureParams& pinch,
QueueSyntheticPinchCallback callback) {
QueueSyntheticGesture(
std::make_unique<SyntheticPinchGesture>(pinch),
base::BindOnce(SyntheticGestureCallback, std::move(callback)));
}
void InputInjectorImpl::QueueSyntheticTap(const SyntheticTapGestureParams& tap,
QueueSyntheticTapCallback callback) {
QueueSyntheticGesture(
std::make_unique<SyntheticTapGesture>(tap),
base::BindOnce(SyntheticGestureCallback, std::move(callback)));
}
void InputInjectorImpl::QueueSyntheticPointerAction(
const SyntheticPointerActionListParams& pointer_action,
QueueSyntheticPointerActionCallback callback) {
QueueSyntheticGesture(
std::make_unique<SyntheticPointerAction>(pointer_action),
base::BindOnce(SyntheticGestureCallback, std::move(callback)));
}
void InputInjectorImpl::QueueSyntheticGesture(
std::unique_ptr<SyntheticGesture> synthetic_gesture,
base::OnceCallback<void(SyntheticGesture::Result)> callback) {
if (!frame_host_)
return;
RenderWidgetHostViewBase* view =
static_cast<RenderWidgetHostViewBase*>(frame_host_->GetView());
if (!view)
return;
// Note that we do not transform coordinates in the case of a synthetic
// gesture that is initiated from an OOPIF. The coordinates are already
// expressed in terms of the root's visual viewport.
RenderWidgetHostViewBase* root_view = view->GetRootView();
if (!root_view)
return;
root_view->host()->QueueSyntheticGesture(std::move(synthetic_gesture),
std::move(callback));
}
} // namespace content
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