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210 lines
9.4 KiB
C
210 lines
9.4 KiB
C
// Copyright (c) 2020 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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// This file was generated by the CEF translator tool and should not edited
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// by hand. See the translator.README.txt file in the tools directory for
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// more information.
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//
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// $hash=5241e3dd5d3fa0b17dd6d6ea2f30734a32150c88$
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//
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#ifndef CEF_INCLUDE_CAPI_CEF_RESOURCE_HANDLER_CAPI_H_
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#define CEF_INCLUDE_CAPI_CEF_RESOURCE_HANDLER_CAPI_H_
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#pragma once
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#include "include/capi/cef_base_capi.h"
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#include "include/capi/cef_browser_capi.h"
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#include "include/capi/cef_callback_capi.h"
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#include "include/capi/cef_cookie_capi.h"
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#include "include/capi/cef_request_capi.h"
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#include "include/capi/cef_response_capi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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///
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// Callback for asynchronous continuation of cef_resource_handler_t::skip().
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///
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typedef struct _cef_resource_skip_callback_t {
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///
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// Base structure.
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///
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cef_base_ref_counted_t base;
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///
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// Callback for asynchronous continuation of skip(). If |bytes_skipped| > 0
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// then either skip() will be called again until the requested number of bytes
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// have been skipped or the request will proceed. If |bytes_skipped| <= 0 the
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// request will fail with ERR_REQUEST_RANGE_NOT_SATISFIABLE.
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///
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void(CEF_CALLBACK* cont)(struct _cef_resource_skip_callback_t* self,
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int64 bytes_skipped);
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} cef_resource_skip_callback_t;
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///
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// Callback for asynchronous continuation of cef_resource_handler_t::read().
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///
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typedef struct _cef_resource_read_callback_t {
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///
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// Base structure.
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///
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cef_base_ref_counted_t base;
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///
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// Callback for asynchronous continuation of read(). If |bytes_read| == 0 the
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// response will be considered complete. If |bytes_read| > 0 then read() will
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// be called again until the request is complete (based on either the result
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// or the expected content length). If |bytes_read| < 0 then the request will
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// fail and the |bytes_read| value will be treated as the error code.
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///
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void(CEF_CALLBACK* cont)(struct _cef_resource_read_callback_t* self,
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int bytes_read);
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} cef_resource_read_callback_t;
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///
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// Structure used to implement a custom request handler structure. The functions
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// of this structure will be called on the IO thread unless otherwise indicated.
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///
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typedef struct _cef_resource_handler_t {
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///
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// Base structure.
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///
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cef_base_ref_counted_t base;
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///
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// Open the response stream. To handle the request immediately set
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// |handle_request| to true (1) and return true (1). To decide at a later time
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// set |handle_request| to false (0), return true (1), and execute |callback|
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// to continue or cancel the request. To cancel the request immediately set
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// |handle_request| to true (1) and return false (0). This function will be
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// called in sequence but not from a dedicated thread. For backwards
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// compatibility set |handle_request| to false (0) and return false (0) and
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// the ProcessRequest function will be called.
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///
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int(CEF_CALLBACK* open)(struct _cef_resource_handler_t* self,
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struct _cef_request_t* request,
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int* handle_request,
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struct _cef_callback_t* callback);
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///
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// Begin processing the request. To handle the request return true (1) and
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// call cef_callback_t::cont() once the response header information is
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// available (cef_callback_t::cont() can also be called from inside this
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// function if header information is available immediately). To cancel the
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// request return false (0).
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//
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// WARNING: This function is deprecated. Use Open instead.
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///
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int(CEF_CALLBACK* process_request)(struct _cef_resource_handler_t* self,
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struct _cef_request_t* request,
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struct _cef_callback_t* callback);
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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 read_response() will be called until it
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// returns false (0). If the response length is known set |response_length| to
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// a positive value and read_response() will be called until it returns false
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// (0) 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. |redirectUrl| can be either a relative or fully qualified URL. It is
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// also possible to set |response| to a redirect http status code and pass the
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// new URL via a Location header. Likewise with |redirectUrl| it is valid to
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// set a relative or fully qualified URL as the Location header value. If an
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// error occured while setting up the request you can call set_error() on
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// |response| to indicate the error condition.
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///
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void(CEF_CALLBACK* get_response_headers)(struct _cef_resource_handler_t* self,
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struct _cef_response_t* response,
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int64* response_length,
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cef_string_t* redirectUrl);
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///
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// Skip response data when requested by a Range header. Skip over and discard
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// |bytes_to_skip| bytes of response data. If data is available immediately
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// set |bytes_skipped| to the number of bytes skipped and return true (1). To
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// read the data at a later time set |bytes_skipped| to 0, return true (1) and
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// execute |callback| when the data is available. To indicate failure set
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// |bytes_skipped| to < 0 (e.g. -2 for ERR_FAILED) and return false (0). This
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// function will be called in sequence but not from a dedicated thread.
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///
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int(CEF_CALLBACK* skip)(struct _cef_resource_handler_t* self,
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int64 bytes_to_skip,
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int64* bytes_skipped,
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struct _cef_resource_skip_callback_t* callback);
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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 (1). To read the data at a later time keep a
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// pointer to |data_out|, set |bytes_read| to 0, return true (1) and execute
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// |callback| when the data is available (|data_out| will remain valid until
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// the callback is executed). To indicate response completion set |bytes_read|
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// to 0 and return false (0). To indicate failure set |bytes_read| to < 0
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// (e.g. -2 for ERR_FAILED) and return false (0). This function will be called
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// in sequence but not from a dedicated thread. For backwards compatibility
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// set |bytes_read| to -1 and return false (0) and the ReadResponse function
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// will be called.
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///
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int(CEF_CALLBACK* read)(struct _cef_resource_handler_t* self,
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void* data_out,
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int bytes_to_read,
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int* bytes_read,
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struct _cef_resource_read_callback_t* callback);
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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 (1). To read the data at a later time set
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// |bytes_read| to 0, return true (1) and call cef_callback_t::cont() when the
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// data is available. To indicate response completion return false (0).
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//
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// WARNING: This function is deprecated. Use Skip and Read instead.
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///
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int(CEF_CALLBACK* read_response)(struct _cef_resource_handler_t* self,
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void* data_out,
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int bytes_to_read,
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int* bytes_read,
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struct _cef_callback_t* callback);
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///
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// Request processing has been canceled.
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///
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void(CEF_CALLBACK* cancel)(struct _cef_resource_handler_t* self);
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} cef_resource_handler_t;
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#ifdef __cplusplus
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}
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#endif
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#endif // CEF_INCLUDE_CAPI_CEF_RESOURCE_HANDLER_CAPI_H_
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