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50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
// SKY_ENGINE_CORE_PAINTING_CANVASIMAGE_H_
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// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_ENGINE_CORE_LOADER_CANVASIMAGELOADER_H_
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#define SKY_ENGINE_CORE_LOADER_CANVASIMAGELOADER_H_
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#include "mojo/common/data_pipe_drainer.h"
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#include "sky/engine/core/loader/ImageLoaderCallback.h"
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#include "sky/engine/platform/SharedBuffer.h"
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#include "sky/engine/platform/fetcher/MojoFetcher.h"
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#include "sky/engine/tonic/dart_wrappable.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/text/AtomicString.h"
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namespace blink {
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class CanvasImageLoader : public MojoFetcher::Client,
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public mojo::common::DataPipeDrainer::Client,
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public RefCounted<CanvasImageLoader>,
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public DartWrappable {
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DEFINE_WRAPPERTYPEINFO();
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public:
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static PassRefPtr<CanvasImageLoader> create(const String& src, PassOwnPtr<ImageLoaderCallback> callback)
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{
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return adoptRef(new CanvasImageLoader(src, callback));
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}
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virtual ~CanvasImageLoader();
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// MojoFetcher::Client
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void OnReceivedResponse(mojo::URLResponsePtr) override;
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// mojo::common::DataPipeDrainer::Client
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void OnDataAvailable(const void*, size_t) override;
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void OnDataComplete() override;
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private:
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explicit CanvasImageLoader(const String& src, PassOwnPtr<ImageLoaderCallback> callback);
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OwnPtr<MojoFetcher> fetcher_;
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OwnPtr<mojo::common::DataPipeDrainer> drainer_;
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RefPtr<SharedBuffer> buffer_;
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OwnPtr<ImageLoaderCallback> callback_;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_LOADER_CANVASIMAGELOADER_H_
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