106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file are only available to applications that link
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// against the libcef_dll_wrapper target.
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//
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#ifndef CEF_INCLUDE_WRAPPER_CEF_STREAM_RESOURCE_HANDLER_H_
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#define CEF_INCLUDE_WRAPPER_CEF_STREAM_RESOURCE_HANDLER_H_
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#pragma once
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#include "include/base/cef_logging.h"
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#include "include/base/cef_macros.h"
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#include "include/base/cef_scoped_ptr.h"
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#include "include/cef_base.h"
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#include "include/cef_resource_handler.h"
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#include "include/cef_response.h"
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class CefStreamReader;
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///
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// Implementation of the CefResourceHandler class for reading from a CefStream.
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///
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class CefStreamResourceHandler : public CefResourceHandler {
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public:
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///
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// Create a new object with default response values.
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///
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CefStreamResourceHandler(const CefString& mime_type,
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CefRefPtr<CefStreamReader> stream);
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///
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// Create a new object with explicit response values.
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///
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CefStreamResourceHandler(int status_code,
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const CefString& status_text,
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const CefString& mime_type,
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CefResponse::HeaderMap header_map,
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CefRefPtr<CefStreamReader> stream);
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virtual ~CefStreamResourceHandler();
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// CefResourceHandler methods.
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virtual bool ProcessRequest(CefRefPtr<CefRequest> request,
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CefRefPtr<CefCallback> callback) OVERRIDE;
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virtual void GetResponseHeaders(CefRefPtr<CefResponse> response,
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int64& response_length,
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CefString& redirectUrl) OVERRIDE;
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virtual bool ReadResponse(void* data_out,
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int bytes_to_read,
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int& bytes_read,
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CefRefPtr<CefCallback> callback) OVERRIDE;
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virtual void Cancel() OVERRIDE;
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private:
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void ReadOnFileThread(int bytes_to_read,
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CefRefPtr<CefCallback> callback);
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const int status_code_;
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const CefString status_text_;
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const CefString mime_type_;
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const CefResponse::HeaderMap header_map_;
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const CefRefPtr<CefStreamReader> stream_;
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bool read_on_file_thread_;
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class Buffer;
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scoped_ptr<Buffer> buffer_;
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#if DCHECK_IS_ON()
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// Used in debug builds to verify that |buffer_| isn't being accessed on
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// multiple threads at the same time.
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bool buffer_owned_by_file_thread_;
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#endif
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IMPLEMENT_REFCOUNTING(CefStreamResourceHandler);
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DISALLOW_COPY_AND_ASSIGN(CefStreamResourceHandler);
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};
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#endif // CEF_INCLUDE_WRAPPER_CEF_STREAM_RESOURCE_HANDLER_H_
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