cef/cef1/include/capi/cef_request_handler_capi.h

160 lines
7.1 KiB
C

// Copyright (c) 2013 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.
//
// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
#ifndef CEF_INCLUDE_CAPI_CEF_REQUEST_HANDLER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_REQUEST_HANDLER_CAPI_H_
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include "include/capi/cef_base_capi.h"
///
// Implement this structure to handle events related to browser requests. The
// functions of this structure will be called on the thread indicated.
///
typedef struct _cef_request_handler_t {
///
// Base structure.
///
cef_base_t base;
///
// Called on the UI thread before browser navigation. Return true (1) to
// cancel the navigation or false (0) to allow the navigation to proceed.
///
int (CEF_CALLBACK *on_before_browse)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser, struct _cef_frame_t* frame,
struct _cef_request_t* request, enum cef_handler_navtype_t navType,
int isRedirect);
///
// Called on the IO thread before a resource is loaded. To allow the resource
// to load normally return false (0). To redirect the resource to a new url
// populate the |redirectUrl| value and return false (0). To specify data for
// the resource return a CefStream object in |resourceStream|, use the
// |response| object to set mime type, HTTP status code and optional header
// values, and return false (0). To cancel loading of the resource return true
// (1). Any modifications to |request| will be observed. If the URL in
// |request| is changed and |redirectUrl| is also set, the URL in |request|
// will be used.
///
int (CEF_CALLBACK *on_before_resource_load)(
struct _cef_request_handler_t* self, struct _cef_browser_t* browser,
struct _cef_request_t* request, cef_string_t* redirectUrl,
struct _cef_stream_reader_t** resourceStream,
struct _cef_response_t* response, int loadFlags);
///
// Called on the IO thread when a resource load is redirected. The |old_url|
// parameter will contain the old URL. The |new_url| parameter will contain
// the new URL and can be changed if desired.
///
void (CEF_CALLBACK *on_resource_redirect)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser, const cef_string_t* old_url,
cef_string_t* new_url);
///
// Called on the UI thread after a response to the resource request is
// received. Set |filter| if response content needs to be monitored and/or
// modified as it arrives.
///
void (CEF_CALLBACK *on_resource_response)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser, const cef_string_t* url,
struct _cef_response_t* response,
struct _cef_content_filter_t** filter);
///
// Called on the IO thread to handle requests for URLs with an unknown
// protocol component. Return true (1) to indicate that the request should
// succeed because it was handled externally. Set |allowOSExecution| to true
// (1) and return false (0) to attempt execution via the registered OS
// protocol handler, if any. If false (0) is returned and either
// |allow_os_execution| is false (0) or OS protocol handler execution fails
// then the request will fail with an error condition. SECURITY WARNING: YOU
// SHOULD USE THIS METHOD TO ENFORCE RESTRICTIONS BASED ON SCHEME, HOST OR
// OTHER URL ANALYSIS BEFORE ALLOWING OS EXECUTION.
///
int (CEF_CALLBACK *on_protocol_execution)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser, const cef_string_t* url,
int* allowOSExecution);
///
// Called on the UI thread when a server indicates via the 'Content-
// Disposition' header that a response represents a file to download.
// |mimeType| is the mime type for the download, |fileName| is the suggested
// target file name and |contentLength| is either the value of the 'Content-
// Size' header or -1 if no size was provided. Set |handler| to the
// cef_download_handler_t instance that will recieve the file contents. Return
// true (1) to download the file or false (0) to cancel the file download.
///
int (CEF_CALLBACK *get_download_handler)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser, const cef_string_t* mimeType,
const cef_string_t* fileName, int64 contentLength,
struct _cef_download_handler_t** handler);
///
// 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 number. Set |username| and |password| and return true (1)
// to handle the request. Return false (0) to cancel the request.
///
int (CEF_CALLBACK *get_auth_credentials)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser, int isProxy, const cef_string_t* host,
int port, const cef_string_t* realm, const cef_string_t* scheme,
cef_string_t* username, cef_string_t* password);
///
// Called on the IO thread to retrieve the cookie manager. |main_url| is the
// URL of the top-level frame. Cookies managers can be unique per browser or
// shared across multiple browsers. The global cookie manager will be used if
// this function returns NULL.
///
struct _cef_cookie_manager_t* (CEF_CALLBACK *get_cookie_manager)(
struct _cef_request_handler_t* self, struct _cef_browser_t* browser,
const cef_string_t* main_url);
} cef_request_handler_t;
#ifdef __cplusplus
}
#endif
#endif // CEF_INCLUDE_CAPI_CEF_REQUEST_HANDLER_CAPI_H_