cef/include/capi/cef_extension_handler_capi.h
2018-01-03 15:46:26 -05:00

211 lines
9.0 KiB
C

// Copyright (c) 2018 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.
//
// $hash=9ce34129b7058aaba2e2f77cd63e3edb23e70bb7$
//
#ifndef CEF_INCLUDE_CAPI_CEF_EXTENSION_HANDLER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_EXTENSION_HANDLER_CAPI_H_
#pragma once
#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_browser_capi.h"
#include "include/capi/cef_extension_capi.h"
#include "include/capi/cef_stream_capi.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _cef_client_t;
///
// Callback structure used for asynchronous continuation of
// cef_extension_tHandler::GetExtensionResource.
///
typedef struct _cef_get_extension_resource_callback_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Continue the request. Read the resource contents from |stream|.
///
void(CEF_CALLBACK* cont)(struct _cef_get_extension_resource_callback_t* self,
struct _cef_stream_reader_t* stream);
///
// Cancel the request.
///
void(CEF_CALLBACK* cancel)(
struct _cef_get_extension_resource_callback_t* self);
} cef_get_extension_resource_callback_t;
///
// Implement this structure to handle events related to browser extensions. The
// functions of this structure will be called on the UI thread. See
// cef_request_tContext::LoadExtension for information about extension loading.
///
typedef struct _cef_extension_handler_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Called if the cef_request_tContext::LoadExtension request fails. |result|
// will be the error code.
///
void(CEF_CALLBACK* on_extension_load_failed)(
struct _cef_extension_handler_t* self,
cef_errorcode_t result);
///
// Called if the cef_request_tContext::LoadExtension request succeeds.
// |extension| is the loaded extension.
///
void(CEF_CALLBACK* on_extension_loaded)(struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension);
///
// Called after the cef_extension_t::Unload request has completed.
///
void(CEF_CALLBACK* on_extension_unloaded)(
struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension);
///
// Called when an extension needs a browser to host a background script
// specified via the "background" manifest key. The browser will have no
// visible window and cannot be displayed. |extension| is the extension that
// is loading the background script. |url| is an internally generated
// reference to an HTML page that will be used to load the background script
// via a <script> src attribute. To allow creation of the browser optionally
// modify |client| and |settings| and return false (0). To cancel creation of
// the browser (and consequently cancel load of the background script) return
// true (1). Successful creation will be indicated by a call to
// cef_life_span_handler_t::OnAfterCreated, and
// cef_browser_host_t::IsBackgroundHost will return true (1) for the resulting
// browser. See https://developer.chrome.com/extensions/event_pages for more
// information about extension background script usage.
///
int(CEF_CALLBACK* on_before_background_browser)(
struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension,
const cef_string_t* url,
struct _cef_client_t** client,
struct _cef_browser_settings_t* settings);
///
// Called when an extension API (e.g. chrome.tabs.create) requests creation of
// a new browser. |extension| and |browser| are the source of the API call.
// |active_browser| may optionally be specified via the windowId property or
// returned via the get_active_browser() callback and provides the default
// |client| and |settings| values for the new browser. |index| is the position
// value optionally specified via the index property. |url| is the URL that
// will be loaded in the browser. |active| is true (1) if the new browser
// should be active when opened. To allow creation of the browser optionally
// modify |windowInfo|, |client| and |settings| and return false (0). To
// cancel creation of the browser return true (1). Successful creation will be
// indicated by a call to cef_life_span_handler_t::OnAfterCreated. Any
// modifications to |windowInfo| will be ignored if |active_browser| is
// wrapped in a cef_browser_view_t.
///
int(CEF_CALLBACK* on_before_browser)(
struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension,
struct _cef_browser_t* browser,
struct _cef_browser_t* active_browser,
int index,
const cef_string_t* url,
int active,
struct _cef_window_info_t* windowInfo,
struct _cef_client_t** client,
struct _cef_browser_settings_t* settings);
///
// Called when no tabId is specified to an extension API call that accepts a
// tabId parameter (e.g. chrome.tabs.*). |extension| and |browser| are the
// source of the API call. Return the browser that will be acted on by the API
// call or return NULL to act on |browser|. The returned browser must share
// the same cef_request_tContext as |browser|. Incognito browsers should not
// be considered unless the source extension has incognito access enabled, in
// which case |include_incognito| will be true (1).
///
struct _cef_browser_t*(CEF_CALLBACK* get_active_browser)(
struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension,
struct _cef_browser_t* browser,
int include_incognito);
///
// Called when the tabId associated with |target_browser| is specified to an
// extension API call that accepts a tabId parameter (e.g. chrome.tabs.*).
// |extension| and |browser| are the source of the API call. Return true (1)
// to allow access of false (0) to deny access. Access to incognito browsers
// should not be allowed unless the source extension has incognito access
// enabled, in which case |include_incognito| will be true (1).
///
int(CEF_CALLBACK* can_access_browser)(struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension,
struct _cef_browser_t* browser,
int include_incognito,
struct _cef_browser_t* target_browser);
///
// Called to retrieve an extension resource that would normally be loaded from
// disk (e.g. if a file parameter is specified to chrome.tabs.executeScript).
// |extension| and |browser| are the source of the resource request. |file| is
// the requested relative file path. To handle the resource request return
// true (1) and execute |callback| either synchronously or asynchronously. For
// the default behavior which reads the resource from the extension directory
// on disk return false (0). Localization substitutions will not be applied to
// resources handled via this function.
///
int(CEF_CALLBACK* get_extension_resource)(
struct _cef_extension_handler_t* self,
struct _cef_extension_t* extension,
struct _cef_browser_t* browser,
const cef_string_t* file,
struct _cef_get_extension_resource_callback_t* callback);
} cef_extension_handler_t;
#ifdef __cplusplus
}
#endif
#endif // CEF_INCLUDE_CAPI_CEF_EXTENSION_HANDLER_CAPI_H_