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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 CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_INPUT_OBSERVER_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_INPUT_OBSERVER_H_
#include "base/memory/raw_ptr.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/touch_selection_controller_client_manager.h"
#include "ui/touch_selection/touch_selection_controller.h"
namespace content {
// This class is responsible for forwarding input events to
// TouchSelectionController. TouchSelectionController lives in //ui layer which
// cannot depend on //content so we need to have this bridge which forwards the
// input events.
class TouchSelectionControllerInputObserver
: public RenderWidgetHost::InputEventObserver {
public:
// `controller`, `manager` and TouchSelectionControllerInputObserver are
// owned by RenderWidgetHostView implementation, and are destroyed in
// destructor of RenderWidgetHostView. The destruction is managed to destroy
// TouchSelectionControllerInputObserver after `controller` and `manager`.
TouchSelectionControllerInputObserver(
ui::TouchSelectionController* controller,
TouchSelectionControllerClientManager* manager);
// Start RenderWidgetHost::InputEventObserver overrides.
// TODO(crbug.com/375388841): Make touch selection controller an input event
// observer for Aura as well, currently it's just being used on Android.
void OnInputEvent(const RenderWidgetHost& widget,
const blink::WebInputEvent&) override;
void OnInputEventAck(const RenderWidgetHost& widget,
blink::mojom::InputEventResultSource source,
blink::mojom::InputEventResultState state,
const blink::WebInputEvent&) override;
// End RenderWidgetHost::InputEventObserver overrides.
void SetTouchSelectionControllerForTesting(
ui::TouchSelectionController* controller) {
controller_ = controller;
}
bool HasSeenScrollBeginAckForTesting() const {
return has_seen_scroll_begin_ack_;
}
private:
bool has_seen_scroll_begin_ack_ = false;
raw_ptr<ui::TouchSelectionController> controller_;
raw_ptr<TouchSelectionControllerClientManager> manager_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_INPUT_OBSERVER_H_
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