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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_WEB_ASSOCIATED_URL_LOADER_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_WEB_ASSOCIATED_URL_LOADER_IMPL_H_
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "base/single_thread_task_runner.h"
#include "third_party/blink/public/web/web_associated_url_loader.h"
#include "third_party/blink/public/web/web_associated_url_loader_options.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
namespace blink {
class ThreadableLoader;
class WebAssociatedURLLoaderClient;
class ExecutionContext;
// This class is used to implement WebFrame::createAssociatedURLLoader.
class CORE_EXPORT WebAssociatedURLLoaderImpl final
: public WebAssociatedURLLoader {
USING_FAST_MALLOC(WebAssociatedURLLoaderImpl);
public:
WebAssociatedURLLoaderImpl(ExecutionContext*,
const WebAssociatedURLLoaderOptions&);
~WebAssociatedURLLoaderImpl() override;
void LoadAsynchronously(const WebURLRequest&,
WebAssociatedURLLoaderClient*) override;
void Cancel() override;
void SetDefersLoading(bool) override;
void SetLoadingTaskRunner(base::SingleThreadTaskRunner*) override;
// Called by ClientAdapter to handle completion of loading.
void ClientAdapterDone();
private:
class ClientAdapter;
class Observer;
void ContextDestroyed();
void CancelLoader();
void DisposeObserver();
WebAssociatedURLLoaderClient* ReleaseClient() {
WebAssociatedURLLoaderClient* client = client_;
client_ = nullptr;
return client;
}
WebAssociatedURLLoaderClient* client_;
WebAssociatedURLLoaderOptions options_;
// Converts ThreadableLoaderClient method calls into WebURLLoaderClient method
// calls.
Persistent<ClientAdapter> client_adapter_;
Persistent<ThreadableLoader> loader_;
// A ExecutionContextLifecycleObserver for cancelling |loader_| when the
// context is detached.
Persistent<Observer> observer_;
DISALLOW_COPY_AND_ASSIGN(WebAssociatedURLLoaderImpl);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_WEB_ASSOCIATED_URL_LOADER_IMPL_H_
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