118 lines
4.9 KiB
C++
118 lines
4.9 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 must follow a specific format in order to
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// support the CEF translator tool. See the translator.README.txt file in the
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// tools directory for more information.
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//
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#ifndef CEF_INCLUDE_CEF_RESOURCE_HANDLER_H_
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#define CEF_INCLUDE_CEF_RESOURCE_HANDLER_H_
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#pragma once
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#include "include/cef_base.h"
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#include "include/cef_browser.h"
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#include "include/cef_callback.h"
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#include "include/cef_cookie.h"
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#include "include/cef_request.h"
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#include "include/cef_response.h"
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///
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// Class used to implement a custom request handler interface. The methods of
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// this class will always be called on the IO thread.
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///
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/*--cef(source=client)--*/
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class CefResourceHandler : public virtual CefBaseRefCounted {
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public:
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///
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// Begin processing the request. To handle the request return true and call
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// CefCallback::Continue() once the response header information is available
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// (CefCallback::Continue() can also be called from inside this method if
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// header information is available immediately). To cancel the request return
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// false.
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///
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/*--cef()--*/
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virtual bool ProcessRequest(CefRefPtr<CefRequest> request,
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CefRefPtr<CefCallback> callback) = 0;
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///
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// Retrieve response header information. If the response length is not known
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// set |response_length| to -1 and ReadResponse() will be called until it
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// returns false. If the response length is known set |response_length|
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// to a positive value and ReadResponse() will be called until it returns
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// false or the specified number of bytes have been read. Use the |response|
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// object to set the mime type, http status code and other optional header
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// values. To redirect the request to a new URL set |redirectUrl| to the new
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// URL. If an error occured while setting up the request you can call
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// SetError() on |response| to indicate the error condition.
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///
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/*--cef()--*/
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virtual void GetResponseHeaders(CefRefPtr<CefResponse> response,
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int64& response_length,
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CefString& redirectUrl) = 0;
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///
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// Read response data. If data is available immediately copy up to
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// |bytes_to_read| bytes into |data_out|, set |bytes_read| to the number of
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// bytes copied, and return true. To read the data at a later time set
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// |bytes_read| to 0, return true and call CefCallback::Continue() when the
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// data is available. To indicate response completion return false.
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///
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/*--cef()--*/
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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) = 0;
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///
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// Return true if the specified cookie can be sent with the request or false
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// otherwise. If false is returned for any cookie then no cookies will be sent
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// with the request.
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///
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/*--cef()--*/
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virtual bool CanGetCookie(const CefCookie& cookie) { return true; }
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///
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// Return true if the specified cookie returned with the response can be set
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// or false otherwise.
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///
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/*--cef()--*/
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virtual bool CanSetCookie(const CefCookie& cookie) { return true; }
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///
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// Request processing has been canceled.
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///
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/*--cef()--*/
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virtual void Cancel() = 0;
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};
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#endif // CEF_INCLUDE_CEF_RESOURCE_HANDLER_H_
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