| Index: content/browser/renderer_host/redirect_to_file_resource_handler.h
|
| ===================================================================
|
| --- content/browser/renderer_host/redirect_to_file_resource_handler.h (revision 170763)
|
| +++ content/browser/renderer_host/redirect_to_file_resource_handler.h (working copy)
|
| @@ -1,107 +0,0 @@
|
| -// Copyright (c) 2012 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_BROWSER_RENDERER_HOST_REDIRECT_TO_FILE_RESOURCE_HANDLER_H_
|
| -#define CONTENT_BROWSER_RENDERER_HOST_REDIRECT_TO_FILE_RESOURCE_HANDLER_H_
|
| -
|
| -#include "base/file_path.h"
|
| -#include "base/memory/ref_counted.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "base/memory/weak_ptr.h"
|
| -#include "base/platform_file.h"
|
| -#include "content/browser/renderer_host/layered_resource_handler.h"
|
| -#include "net/url_request/url_request_status.h"
|
| -
|
| -namespace net {
|
| -class FileStream;
|
| -class GrowableIOBuffer;
|
| -}
|
| -
|
| -namespace webkit_blob {
|
| -class ShareableFileReference;
|
| -}
|
| -
|
| -namespace content {
|
| -class ResourceDispatcherHostImpl;
|
| -
|
| -// Redirects network data to a file. This is intended to be layered in front
|
| -// of either the AsyncResourceHandler or the SyncResourceHandler.
|
| -class RedirectToFileResourceHandler : public LayeredResourceHandler {
|
| - public:
|
| - RedirectToFileResourceHandler(
|
| - scoped_ptr<ResourceHandler> next_handler,
|
| - int process_id,
|
| - ResourceDispatcherHostImpl* resource_dispatcher_host);
|
| - virtual ~RedirectToFileResourceHandler();
|
| -
|
| - // ResourceHandler implementation:
|
| - virtual bool OnResponseStarted(int request_id,
|
| - ResourceResponse* response,
|
| - bool* defer) OVERRIDE;
|
| - virtual bool OnWillStart(int request_id,
|
| - const GURL& url,
|
| - bool* defer) OVERRIDE;
|
| - virtual bool OnWillRead(int request_id,
|
| - net::IOBuffer** buf,
|
| - int* buf_size,
|
| - int min_size) OVERRIDE;
|
| - virtual bool OnReadCompleted(int request_id,
|
| - int bytes_read,
|
| - bool* defer) OVERRIDE;
|
| - virtual bool OnResponseCompleted(int request_id,
|
| - const net::URLRequestStatus& status,
|
| - const std::string& security_info) OVERRIDE;
|
| -
|
| - private:
|
| - void DidCreateTemporaryFile(base::PlatformFileError error_code,
|
| - base::PassPlatformFile file_handle,
|
| - const FilePath& file_path);
|
| - void DidWriteToFile(int result);
|
| - bool WriteMore();
|
| - bool BufIsFull() const;
|
| - void ResumeIfDeferred();
|
| -
|
| - base::WeakPtrFactory<RedirectToFileResourceHandler> weak_factory_;
|
| -
|
| - ResourceDispatcherHostImpl* host_;
|
| - int process_id_;
|
| - int request_id_;
|
| -
|
| - // We allocate a single, fixed-size IO buffer (buf_) used to read from the
|
| - // network (buf_write_pending_ is true while the system is copying data into
|
| - // buf_), and then write this buffer out to disk (write_callback_pending_ is
|
| - // true while writing to disk). Reading from the network is suspended while
|
| - // the buffer is full (BufIsFull returns true). The write_cursor_ member
|
| - // tracks the offset into buf_ that we are writing to disk.
|
| -
|
| - scoped_refptr<net::GrowableIOBuffer> buf_;
|
| - bool buf_write_pending_;
|
| - int write_cursor_;
|
| -
|
| - scoped_ptr<net::FileStream> file_stream_;
|
| - bool write_callback_pending_;
|
| -
|
| - // |next_buffer_size_| is the size of the buffer to be allocated on the next
|
| - // OnWillRead() call. We exponentially grow the size of the buffer allocated
|
| - // when our owner fills our buffers. On the first OnWillRead() call, we
|
| - // allocate a buffer of 32k and double it in OnReadCompleted() if the buffer
|
| - // was filled, up to a maximum size of 512k.
|
| - int next_buffer_size_;
|
| -
|
| - // We create a ShareableFileReference that's deletable for the temp
|
| - // file created as a result of the download.
|
| - scoped_refptr<webkit_blob::ShareableFileReference> deletable_file_;
|
| -
|
| - bool did_defer_ ;
|
| -
|
| - bool completed_during_write_;
|
| - net::URLRequestStatus completed_status_;
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| - std::string completed_security_info_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(RedirectToFileResourceHandler);
|
| -};
|
| -
|
| -} // namespace content
|
| -
|
| -#endif // CONTENT_BROWSER_RENDERER_HOST_REDIRECT_TO_FILE_RESOURCE_HANDLER_H_
|
|
|