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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_SERVICE_INPUT_RENDER_INPUT_ROUTER_SUPPORT_ANDROID_H_
#define COMPONENTS_VIZ_SERVICE_INPUT_RENDER_INPUT_ROUTER_SUPPORT_ANDROID_H_
#include <memory>
#include "base/memory/weak_ptr.h"
#include "components/input/android_input_helper.h"
#include "components/input/events_helper.h"
#include "components/viz/service/input/render_input_router_support_base.h"
#include "ui/events/android/motion_event_android.h"
#include "ui/events/gesture_detection/filtered_gesture_provider.h"
namespace viz {
class GpuServiceImpl;
// Allow easy testing of code calling into RenderInputRouterSupport's
// OnTouchEvent.
class RenderInputRouterSupportAndroidInterface {
public:
virtual bool OnTouchEvent(const ui::MotionEventAndroid& event,
bool emit_histograms) = 0;
};
class VIZ_SERVICE_EXPORT RenderInputRouterSupportAndroid
: public RenderInputRouterSupportBase,
public ui::GestureProviderClient,
public input::AndroidInputHelper::Delegate,
public RenderInputRouterSupportAndroidInterface {
public:
explicit RenderInputRouterSupportAndroid(
input::RenderInputRouter* rir,
RenderInputRouterSupportBase::Delegate* delegate,
const FrameSinkId& frame_sink_id,
GpuServiceImpl* gpu_service);
RenderInputRouterSupportAndroid(const RenderInputRouterSupportAndroid&) =
delete;
RenderInputRouterSupportAndroid& operator=(
const RenderInputRouterSupportAndroid&) = delete;
~RenderInputRouterSupportAndroid() override;
// RenderInputRouterSupportAndroidInterface implementation.
// |emit_histograms|: Whether to emit tool type and OS touch latency
// histograms, for the events forwarded from Browser we wouldn't want to emit
// histograms for them since Browser code would have already emitted them.
bool OnTouchEvent(const ui::MotionEventAndroid& event,
bool emit_histograms) override;
bool ShouldRouteEvents() const;
void ResetGestureDetection();
// RenderInputRouterSupportBase implementation.
bool IsRenderInputRouterSupportChildFrame() const override;
void NotifySiteIsMobileOptimized(bool is_mobile_optimized) override;
// ui::GestureProviderClient implementation.
void OnGestureEvent(const ui::GestureEventData& gesture) override;
bool RequiresDoubleTapGestureEvents() const override;
// RenderWidgetHostViewInput implementation.
void ProcessAckedTouchEvent(
const input::TouchEventWithLatencyInfo& touch,
blink::mojom::InputEventResultState ack_result) override;
FrameSinkId GetRootFrameSinkId() override;
SurfaceId GetCurrentSurfaceId() const override;
bool TransformPointToCoordSpaceForView(
const gfx::PointF& point,
input::RenderWidgetHostViewInput* target_view,
gfx::PointF* transformed_point) override;
void TransformPointToRootSurface(gfx::PointF* point) override;
blink::mojom::InputEventResultState FilterInputEvent(
const blink::WebInputEvent& input_event) override;
void GestureEventAck(const blink::WebGestureEvent& event,
blink::mojom::InputEventResultSource ack_source,
blink::mojom::InputEventResultState ack_result) override;
// AndroidInputHelper::Delegate implementation.
void SendGestureEvent(const blink::WebGestureEvent& event) override;
ui::FilteredGestureProvider& GetGestureProvider() override;
base::WeakPtr<RenderInputRouterSupportAndroid> GetWeakPtr();
private:
std::unique_ptr<input::AndroidInputHelper> input_helper_;
// Provides gesture synthesis given a stream of touch events (derived from
// Android MotionEvent's) and touch event acks.
ui::FilteredGestureProvider gesture_provider_;
// FrameSinkManager owns InputManager which in turn owns
// RenderInputRouterSupportAndroid. GpuServiceImpl is destroyed only after
// FrameSinkManager, `gpu_service_` will be valid for the lifecycle of
// RenderInputRouterSupportAndroid.
const raw_ptr<GpuServiceImpl> gpu_service_;
base::WeakPtrFactory<RenderInputRouterSupportAndroid> weak_factory_{this};
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_INPUT_RENDER_INPUT_ROUTER_SUPPORT_ANDROID_H_
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