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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_INPUT_ANDROID_INPUT_RECEIVER_DATA_H_
#define COMPONENTS_INPUT_ANDROID_INPUT_RECEIVER_DATA_H_
#include <memory>
#include "base/component_export.h"
#include "base/memory/weak_ptr.h"
#include "components/input/android/android_input_callback.h"
#include "components/input/android/scoped_input_receiver.h"
#include "components/input/android/scoped_input_receiver_callbacks.h"
#include "components/input/android/scoped_input_transfer_token.h"
#include "ui/gfx/android/android_surface_control_compat.h"
namespace input {
// Store all the obects that are required throughout input receiver lifecycle
class COMPONENT_EXPORT(INPUT) InputReceiverData
: public AndroidInputCallback::Observer {
public:
InputReceiverData(
scoped_refptr<gfx::SurfaceControl::Surface> parent_input_sc,
scoped_refptr<gfx::SurfaceControl::Surface> input_sc,
ScopedInputTransferToken browser_input_token,
std::unique_ptr<AndroidInputCallback> android_input_callback,
ScopedInputReceiverCallbacks callbacks,
ScopedInputReceiver receiver,
ScopedInputTransferToken viz_input_token);
~InputReceiverData() override;
// AndroidInputCallback::Observer:
void OnMotionEvent(
const base::android::ScopedInputEvent& input_event) override;
// InputReceiverData owns the AndroidInputCallback, so it's responsible for
// its destruction.
void OnCallbackDestroyed() override {}
// `receiver` is only set for Android 16+, where the receiver could be either
// destroyed right away or waits for touch sequence to have finished before
// destroying receiver.
void OnDestroyedCompositorFrameSink(
std::unique_ptr<InputReceiverData> receiver);
const viz::FrameSinkId& root_frame_sink_id() {
return android_input_callback_->root_frame_sink_id();
}
// Attaches(reparents) the input surface control to a surface control linked
// to surface hierarchy(`parent_input_sc`) of root compositor. The "detach"
// happens when we receive OnDestroyedCompositorFrameSink notification for the
// attached root compositor frame sink.
void AttachToFrameSink(
const viz::FrameSinkId& root_frame_sink_id,
scoped_refptr<gfx::SurfaceControl::Surface> parent_input_sc);
const ScopedInputTransferToken& viz_input_token() const {
return viz_input_token_;
}
const ScopedInputTransferToken& browser_input_token() const {
return browser_input_token_;
}
private:
void DetachInputSurface();
void TryDestroySelf(std::unique_ptr<InputReceiverData> receiver_data);
scoped_refptr<gfx::SurfaceControl::Surface> parent_input_sc_;
scoped_refptr<gfx::SurfaceControl::Surface> input_sc_;
ScopedInputTransferToken browser_input_token_;
std::unique_ptr<AndroidInputCallback> android_input_callback_;
ScopedInputReceiverCallbacks callbacks_;
ScopedInputReceiver receiver_;
ScopedInputTransferToken viz_input_token_;
bool pending_destruction_ = false;
bool has_seen_events_ = false;
base::WeakPtrFactory<InputReceiverData> weak_ptr_factory_{this};
};
} // namespace input
#endif // COMPONENTS_INPUT_ANDROID_INPUT_RECEIVER_DATA_H_
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