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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_PHONEHUB_ICON_DECODER_IMPL_H_
#define CHROMEOS_ASH_COMPONENTS_PHONEHUB_ICON_DECODER_IMPL_H_
#include "chromeos/ash/components/phonehub/icon_decoder.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/phonehub/proto/phonehub_api.pb.h"
#include "services/data_decoder/public/cpp/data_decoder.h"
#include "services/data_decoder/public/cpp/decode_image.h"
namespace ash::phonehub {
class IconDecoderImpl : public IconDecoder {
public:
IconDecoderImpl();
~IconDecoderImpl() override;
void BatchDecode(
std::unique_ptr<std::vector<DecodingData>> decode_items,
base::OnceCallback<void(std::unique_ptr<std::vector<DecodingData>>)>
finished_callback) override;
private:
friend class IconDecoderImplTest;
friend class TestDecoderDelegate;
friend class PhoneStatusProcessorTest;
// Delegate class that decodes icons. Can be overridden in tests.
class DecoderDelegate {
public:
DecoderDelegate();
virtual ~DecoderDelegate();
virtual void Decode(const DecodingData& data,
data_decoder::DecodeImageCallback callback);
private:
// The instance of DataDecoder to decode thumbnail images. The underlying
// service instance is started lazily when needed and torn down when not in
// use.
data_decoder::DataDecoder data_decoder_;
};
void OnIconDecoded(DecodingData& decoding_data, const SkBitmap& result);
void OnAllIconsDecoded(
base::OnceCallback<void(std::unique_ptr<std::vector<DecodingData>>)>
finished_callback);
void CancelPendingRequests();
std::unique_ptr<DecoderDelegate> decoder_delegate_;
std::unique_ptr<std::vector<DecodingData>> pending_items_;
base::RepeatingClosure barrier_closure_;
// Contains weak pointers to callbacks passed to the |DecoderDelegate|.
base::WeakPtrFactory<IconDecoderImpl> weak_ptr_factory_{this};
};
} // namespace ash::phonehub
#endif // CHROMEOS_ASH_COMPONENTS_PHONEHUB_ICON_DECODER_IMPL_H_
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