blob: 6db36b7873f6e68f3aa8300f07b5252ad4f12ef5 [file] [log] [blame]
// Copyright 2014 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 CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_
#define CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
#include "mojo/message_pump/handle_watcher.h"
#include "third_party/WebKit/public/platform/WebDataConsumerHandle.h"
#include "third_party/mojo/src/mojo/public/cpp/system/data_pipe.h"
namespace content {
class CONTENT_EXPORT WebDataConsumerHandleImpl final
: public NON_EXPORTED_BASE(blink::WebDataConsumerHandle) {
typedef mojo::ScopedDataPipeConsumerHandle Handle;
class Context;
public:
class CONTENT_EXPORT ReaderImpl final : public NON_EXPORTED_BASE(Reader) {
public:
ReaderImpl(scoped_refptr<Context> context, Client* client);
virtual ~ReaderImpl();
virtual Result read(void* data, size_t size, Flags flags, size_t* readSize);
virtual Result beginRead(const void** buffer,
Flags flags,
size_t* available);
virtual Result endRead(size_t readSize);
private:
Result HandleReadResult(MojoResult);
void StartWatching();
void OnHandleGotReadable(MojoResult);
scoped_refptr<Context> context_;
mojo::common::HandleWatcher handle_watcher_;
Client* client_;
};
scoped_ptr<Reader> ObtainReader(Client* client);
explicit WebDataConsumerHandleImpl(Handle handle);
virtual ~WebDataConsumerHandleImpl();
private:
virtual ReaderImpl* obtainReaderInternal(Client* client);
const char* debugName() const override;
scoped_refptr<Context> context_;
};
} // namespace content
#endif // CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_