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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.
#include "components/viz/service/input/render_input_router_support_android.h"
#include "base/trace_event/trace_event.h"
#include "components/input/render_widget_host_input_event_router.h"
#include "components/viz/service/gl/gpu_service_impl.h"
#include "ui/events/blink/web_input_event_traits.h"
#include "ui/events/gesture_detection/gesture_provider_config_helper.h"
namespace viz {
RenderInputRouterSupportAndroid::~RenderInputRouterSupportAndroid() = default;
RenderInputRouterSupportAndroid::RenderInputRouterSupportAndroid(
input::RenderInputRouter* rir,
RenderInputRouterSupportBase::Delegate* delegate,
const FrameSinkId& frame_sink_id,
GpuServiceImpl* gpu_service)
: RenderInputRouterSupportBase(rir, delegate, frame_sink_id),
gesture_provider_(ui::GetGestureProviderConfig(
ui::GestureProviderConfigType::CURRENT_PLATFORM,
base::SingleThreadTaskRunner::GetCurrentDefault()),
this),
gpu_service_(gpu_service) {
CHECK(gpu_service_);
input_helper_ = std::make_unique<input::AndroidInputHelper>(this, this);
UpdateFrameSinkIdRegistration();
}
bool RenderInputRouterSupportAndroid::OnTouchEvent(
const ui::MotionEventAndroid& event,
bool emit_histograms) {
if (emit_histograms) {
input_helper_->RecordToolTypeForActionDown(event);
input_helper_->ComputeEventLatencyOSTouchHistograms(
event, /*processing_time=*/base::TimeTicks::Now());
}
ui::FilteredGestureProvider::TouchHandlingResult result =
gesture_provider_.OnTouchEvent(event);
if (!result.succeeded) {
return false;
}
blink::WebTouchEvent web_event = ui::CreateWebTouchEventFromMotionEvent(
event, result.moved_beyond_slop_region /* may_cause_scrolling */,
false /* hovering */);
if (web_event.GetType() == blink::WebInputEvent::Type::kUndefined) {
return false;
}
input_helper_->RouteOrForwardTouchEvent(web_event);
return true;
}
bool RenderInputRouterSupportAndroid::ShouldRouteEvents() const {
return input_helper_->ShouldRouteEvents();
}
void RenderInputRouterSupportAndroid::ResetGestureDetection() {
input_helper_->ResetGestureDetection();
}
bool RenderInputRouterSupportAndroid::RequiresDoubleTapGestureEvents() const {
return input_helper_->RequiresDoubleTapGestureEvents();
}
bool RenderInputRouterSupportAndroid::IsRenderInputRouterSupportChildFrame()
const {
return false;
}
void RenderInputRouterSupportAndroid::NotifySiteIsMobileOptimized(
bool is_mobile_optimized) {
gesture_provider_.SetDoubleTapSupportForPageEnabled(!is_mobile_optimized);
}
void RenderInputRouterSupportAndroid::OnGestureEvent(
const ui::GestureEventData& gesture) {
input_helper_->OnGestureEvent(gesture);
}
void RenderInputRouterSupportAndroid::SendGestureEvent(
const blink::WebGestureEvent& event) {
// TODO(365985685): Refactor OverscrollController to work with input on Viz.
// TODO(366000885): Make touch selection controller input event observer.
if (event.GetType() == blink::WebInputEvent::Type::kUndefined) {
return;
}
input_helper_->RouteOrForwardGestureEvent(event);
}
ui::FilteredGestureProvider&
RenderInputRouterSupportAndroid::GetGestureProvider() {
return gesture_provider_;
}
void RenderInputRouterSupportAndroid::ProcessAckedTouchEvent(
const input::TouchEventWithLatencyInfo& touch,
blink::mojom::InputEventResultState ack_result) {
TRACE_EVENT0("input",
"RenderInputRouterSupportAndroid::ProcessAckedTouchEvent");
input_helper_->ProcessAckedTouchEvent(touch, ack_result);
}
FrameSinkId RenderInputRouterSupportAndroid::GetRootFrameSinkId() {
return delegate()->GetRootCompositorFrameSinkId(GetFrameSinkId());
}
SurfaceId RenderInputRouterSupportAndroid::GetCurrentSurfaceId() const {
// This is not required to be implemented on Viz.
NOTREACHED();
}
bool RenderInputRouterSupportAndroid::TransformPointToCoordSpaceForView(
const gfx::PointF& point,
input::RenderWidgetHostViewInput* target_view,
gfx::PointF* transformed_point) {
return input_helper_->TransformPointToCoordSpaceForView(point, target_view,
transformed_point);
}
void RenderInputRouterSupportAndroid::TransformPointToRootSurface(
gfx::PointF* point) {
auto* metadata = delegate()->GetLastActivatedFrameMetadata(GetFrameSinkId());
// Adjust the point's y-coordinate to account for the height of the top
// controls bar. In general, Viz should have the updated top controls height
// when transform is called and if it isn't updated, the toolbar isn't visible
// and thus the |point| is already "transformed".
if (metadata) {
*point +=
gfx::Vector2d(0, metadata->top_controls_visible_height.value_or(0.f));
}
}
blink::mojom::InputEventResultState
RenderInputRouterSupportAndroid::FilterInputEvent(
const blink::WebInputEvent& input_event) {
// On Viz side here we do not need a call to
// `GestureListenerManager::FilterInputEvent` which happens on Browser. This
// is used on Browser for offering input to embedders, and the only user is
// Webview which is not affected by InputVizard.
if (input_event.GetType() == blink::WebInputEvent::Type::kTouchStart) {
gpu_service_->WakeUpGpu();
}
return blink::mojom::InputEventResultState::kNotConsumed;
}
void RenderInputRouterSupportAndroid::GestureEventAck(
const blink::WebGestureEvent& event,
blink::mojom::InputEventResultSource ack_source,
blink::mojom::InputEventResultState ack_result) {
// TODO(365985685): Refactor OverscrollController to work with input on Viz.
// Stop flinging if a GSU event with momentum phase is sent to the renderer
// but not consumed.
StopFlingingIfNecessary(event, ack_result);
}
base::WeakPtr<RenderInputRouterSupportAndroid>
RenderInputRouterSupportAndroid::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
} // namespace viz
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