cef/include/cef_request_context_handler.h

127 lines
6.1 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.
//
// ---------------------------------------------------------------------------
//
// 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_REQUEST_CONTEXT_HANDLER_H_
#define CEF_INCLUDE_CEF_REQUEST_CONTEXT_HANDLER_H_
#pragma once
#include "include/cef_base.h"
#include "include/cef_browser.h"
#include "include/cef_frame.h"
#include "include/cef_request.h"
#include "include/cef_resource_request_handler.h"
#include "include/cef_web_plugin.h"
///
// Implement this interface to provide handler implementations. The handler
// instance will not be released until all objects related to the context have
// been destroyed.
///
/*--cef(source=client,no_debugct_check)--*/
class CefRequestContextHandler : public virtual CefBaseRefCounted {
public:
typedef cef_plugin_policy_t PluginPolicy;
///
// Called on the browser process UI thread immediately after the request
// context has been initialized.
///
/*--cef()--*/
virtual void OnRequestContextInitialized(
CefRefPtr<CefRequestContext> request_context) {}
///
// Called on multiple browser process threads before a plugin instance is
// loaded. |mime_type| is the mime type of the plugin that will be loaded.
// |plugin_url| is the content URL that the plugin will load and may be empty.
// |is_main_frame| will be true if the plugin is being loaded in the main
// (top-level) frame, |top_origin_url| is the URL for the top-level frame that
// contains the plugin when loading a specific plugin instance or empty when
// building the initial list of enabled plugins for 'navigator.plugins'
// JavaScript state. |plugin_info| includes additional information about the
// plugin that will be loaded. |plugin_policy| is the recommended policy.
// Modify |plugin_policy| and return true to change the policy. Return false
// to use the recommended policy. The default plugin policy can be set at
// runtime using the `--plugin-policy=[allow|detect|block]` command-line flag.
// Decisions to mark a plugin as disabled by setting |plugin_policy| to
// PLUGIN_POLICY_DISABLED may be cached when |top_origin_url| is empty. To
// purge the plugin list cache and potentially trigger new calls to this
// method call CefRequestContext::PurgePluginListCache.
///
/*--cef(optional_param=plugin_url,optional_param=top_origin_url)--*/
virtual bool OnBeforePluginLoad(const CefString& mime_type,
const CefString& plugin_url,
bool is_main_frame,
const CefString& top_origin_url,
CefRefPtr<CefWebPluginInfo> plugin_info,
PluginPolicy* plugin_policy) {
return false;
}
///
// Called on the browser process IO thread before a resource request is
// initiated. The |browser| and |frame| values represent the source of the
// request, and may be NULL for requests originating from service workers or
// CefURLRequest. |request| represents the request contents and cannot be
// modified in this callback. |is_navigation| will be true if the resource
// request is a navigation. |is_download| will be true if the resource request
// is a download. |request_initiator| is the origin (scheme + domain) of the
// page that initiated the request. Set |disable_default_handling| to true to
// disable default handling of the request, in which case it will need to be
// handled via CefResourceRequestHandler::GetResourceHandler or it will be
// canceled. To allow the resource load to proceed with default handling
// return NULL. To specify a handler for the resource return a
// CefResourceRequestHandler object. This method will not be called if the
// client associated with |browser| returns a non-NULL value from
// CefRequestHandler::GetResourceRequestHandler for the same request
// (identified by CefRequest::GetIdentifier).
///
/*--cef(optional_param=browser,optional_param=frame,
optional_param=request_initiator)--*/
virtual CefRefPtr<CefResourceRequestHandler> GetResourceRequestHandler(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefRequest> request,
bool is_navigation,
bool is_download,
const CefString& request_initiator,
bool& disable_default_handling) {
return nullptr;
}
};
#endif // CEF_INCLUDE_CEF_REQUEST_CONTEXT_HANDLER_H_