cef/include/cef_urlrequest.h

205 lines
8.1 KiB
C++

// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//
#ifndef CEF_INCLUDE_CEF_URLREQUEST_H_
#define CEF_INCLUDE_CEF_URLREQUEST_H_
#pragma once
#include "include/cef_auth_callback.h"
#include "include/cef_base.h"
#include "include/cef_request.h"
#include "include/cef_request_context.h"
#include "include/cef_response.h"
class CefURLRequestClient;
///
// Class used to make a URL request. URL requests are not associated with a
// browser instance so no CefClient callbacks will be executed. URL requests
// can be created on any valid CEF thread in either the browser or render
// process. Once created the methods of the URL request object must be accessed
// on the same thread that created it.
///
/*--cef(source=library)--*/
class CefURLRequest : public virtual CefBaseRefCounted {
public:
typedef cef_urlrequest_status_t Status;
typedef cef_errorcode_t ErrorCode;
///
// Create a new URL request that is not associated with a specific browser or
// frame. Use CefFrame::CreateURLRequest instead if you want the request to
// have this association, in which case it may be handled differently (see
// documentation on that method). Requests may originate from the both browser
// process and the render process.
//
// For requests originating from the browser process:
// - It may be intercepted by the client via CefResourceRequestHandler or
// CefSchemeHandlerFactory.
// - POST data may only contain only a single element of type PDE_TYPE_FILE
// or PDE_TYPE_BYTES.
// - If |request_context| is empty the global request context will be used.
// For requests originating from the render process:
// - It cannot be intercepted by the client so only http(s) and blob schemes
// are supported.
// - POST data may only contain a single element of type PDE_TYPE_BYTES.
// - The |request_context| parameter must be NULL.
//
// The |request| object will be marked as read-only after calling this method.
///
/*--cef(optional_param=request_context)--*/
static CefRefPtr<CefURLRequest> Create(
CefRefPtr<CefRequest> request,
CefRefPtr<CefURLRequestClient> client,
CefRefPtr<CefRequestContext> request_context);
///
// Returns the request object used to create this URL request. The returned
// object is read-only and should not be modified.
///
/*--cef()--*/
virtual CefRefPtr<CefRequest> GetRequest() = 0;
///
// Returns the client.
///
/*--cef()--*/
virtual CefRefPtr<CefURLRequestClient> GetClient() = 0;
///
// Returns the request status.
///
/*--cef(default_retval=UR_UNKNOWN)--*/
virtual Status GetRequestStatus() = 0;
///
// Returns the request error if status is UR_CANCELED or UR_FAILED, or 0
// otherwise.
///
/*--cef(default_retval=ERR_NONE)--*/
virtual ErrorCode GetRequestError() = 0;
///
// Returns the response, or NULL if no response information is available.
// Response information will only be available after the upload has completed.
// The returned object is read-only and should not be modified.
///
/*--cef()--*/
virtual CefRefPtr<CefResponse> GetResponse() = 0;
///
// Returns true if the response body was served from the cache. This includes
// responses for which revalidation was required.
///
/*--cef()--*/
virtual bool ResponseWasCached() = 0;
///
// Cancel the request.
///
/*--cef()--*/
virtual void Cancel() = 0;
};
///
// Interface that should be implemented by the CefURLRequest client. The
// methods of this class will be called on the same thread that created the
// request unless otherwise documented.
///
/*--cef(source=client)--*/
class CefURLRequestClient : public virtual CefBaseRefCounted {
public:
///
// Notifies the client that the request has completed. Use the
// CefURLRequest::GetRequestStatus method to determine if the request was
// successful or not.
///
/*--cef()--*/
virtual void OnRequestComplete(CefRefPtr<CefURLRequest> request) = 0;
///
// Notifies the client of upload progress. |current| denotes the number of
// bytes sent so far and |total| is the total size of uploading data (or -1 if
// chunked upload is enabled). This method will only be called if the
// UR_FLAG_REPORT_UPLOAD_PROGRESS flag is set on the request.
///
/*--cef()--*/
virtual void OnUploadProgress(CefRefPtr<CefURLRequest> request,
int64 current,
int64 total) = 0;
///
// Notifies the client of download progress. |current| denotes the number of
// bytes received up to the call and |total| is the expected total size of the
// response (or -1 if not determined).
///
/*--cef()--*/
virtual void OnDownloadProgress(CefRefPtr<CefURLRequest> request,
int64 current,
int64 total) = 0;
///
// Called when some part of the response is read. |data| contains the current
// bytes received since the last call. This method will not be called if the
// UR_FLAG_NO_DOWNLOAD_DATA flag is set on the request.
///
/*--cef()--*/
virtual void OnDownloadData(CefRefPtr<CefURLRequest> request,
const void* data,
size_t data_length) = 0;
///
// Called on the IO thread when the browser needs credentials from the user.
// |isProxy| indicates whether the host is a proxy server. |host| contains the
// hostname and |port| contains the port number. Return true to continue the
// request and call CefAuthCallback::Continue() when the authentication
// information is available. If the request has an associated browser/frame
// then returning false will result in a call to GetAuthCredentials on the
// CefRequestHandler associated with that browser, if any. Otherwise,
// returning false will cancel the request immediately. This method will only
// be called for requests initiated from the browser process.
///
/*--cef(optional_param=realm)--*/
virtual bool GetAuthCredentials(bool isProxy,
const CefString& host,
int port,
const CefString& realm,
const CefString& scheme,
CefRefPtr<CefAuthCallback> callback) = 0;
};
#endif // CEF_INCLUDE_CEF_URLREQUEST_H_