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/*
* Copyright (C) 2021 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitMediaKeySystemPermissionRequest.h"
#include "MediaKeySystemPermissionRequest.h"
#include "WebKitMediaKeySystemPermissionRequestPrivate.h"
#include "WebKitPermissionRequest.h"
#include <wtf/glib/WTFGType.h>
#if !ENABLE(2022_GLIB_API)
typedef WebKitPermissionRequestIface WebKitPermissionRequestInterface;
#endif
using namespace WebKit;
/**
* WebKitMediaKeySystemPermissionRequest:
* @See_also: #WebKitPermissionRequest, #WebKitWebView
*
* A permission request for using an EME Content Decryption Module.
*
* WebKitMediaKeySystemPermissionRequest represents a request for permission to decide whether
* WebKit should use the given CDM to access protected media when requested through the
* MediaKeySystem API.
*
* When a WebKitMediaKeySystemPermissionRequest is not handled by the user,
* it is denied by default.
*
* When handling this permission request the application may perform additional installation of the
* requested CDM, unless it is already present on the host system.
*/
static void webkit_permission_request_interface_init(WebKitPermissionRequestInterface*);
struct _WebKitMediaKeySystemPermissionRequestPrivate {
RefPtr<MediaKeySystemPermissionRequest> request;
bool madeDecision;
CString keySystem;
};
WEBKIT_DEFINE_FINAL_TYPE_WITH_CODE(
WebKitMediaKeySystemPermissionRequest, webkit_media_key_system_permission_request, G_TYPE_OBJECT, GObject,
G_IMPLEMENT_INTERFACE(WEBKIT_TYPE_PERMISSION_REQUEST, webkit_permission_request_interface_init))
static void webkitMediaKeySystemPermissionRequestAllow(WebKitPermissionRequest* request)
{
ASSERT(WEBKIT_IS_MEDIA_KEY_SYSTEM_PERMISSION_REQUEST(request));
WebKitMediaKeySystemPermissionRequestPrivate* priv = WEBKIT_MEDIA_KEY_SYSTEM_PERMISSION_REQUEST(request)->priv;
// Only one decision at a time.
if (priv->madeDecision)
return;
priv->request->complete(true);
priv->madeDecision = true;
}
static void webkitMediaKeySystemPermissionRequestDeny(WebKitPermissionRequest* request)
{
ASSERT(WEBKIT_IS_MEDIA_KEY_SYSTEM_PERMISSION_REQUEST(request));
WebKitMediaKeySystemPermissionRequestPrivate* priv = WEBKIT_MEDIA_KEY_SYSTEM_PERMISSION_REQUEST(request)->priv;
// Only one decision at a time.
if (priv->madeDecision)
return;
priv->request->complete(false);
priv->madeDecision = true;
}
static void webkit_permission_request_interface_init(WebKitPermissionRequestInterface* iface)
{
iface->allow = webkitMediaKeySystemPermissionRequestAllow;
iface->deny = webkitMediaKeySystemPermissionRequestDeny;
}
static void webkitMediaKeySystemPermissionRequestDispose(GObject* object)
{
// Default behaviour when no decision has been made is denying the request.
webkitMediaKeySystemPermissionRequestDeny(WEBKIT_PERMISSION_REQUEST(object));
G_OBJECT_CLASS(webkit_media_key_system_permission_request_parent_class)->dispose(object);
}
static void webkit_media_key_system_permission_request_class_init(WebKitMediaKeySystemPermissionRequestClass* klass)
{
GObjectClass* objectClass = G_OBJECT_CLASS(klass);
objectClass->dispose = webkitMediaKeySystemPermissionRequestDispose;
}
WebKitMediaKeySystemPermissionRequest* webkitMediaKeySystemPermissionRequestCreate(Ref<MediaKeySystemPermissionRequest>&& request)
{
WebKitMediaKeySystemPermissionRequest* permissionRequest = WEBKIT_MEDIA_KEY_SYSTEM_PERMISSION_REQUEST(g_object_new(WEBKIT_TYPE_MEDIA_KEY_SYSTEM_PERMISSION_REQUEST, NULL));
permissionRequest->priv->request = WTFMove(request);
return permissionRequest;
}
/**
* webkit_media_key_system_permission_get_name:
* @request: a #WebKitMediaKeySystemPermissionRequest
*
* Get the key system for which access permission is being requested.
*
* Returns: the key system name for @request
*
* Since: 2.32
*/
const gchar*
webkit_media_key_system_permission_get_name(WebKitMediaKeySystemPermissionRequest* request)
{
auto* priv = request->priv;
if (priv->keySystem.isNull())
priv->keySystem = priv->request->keySystem().utf8().data();
return priv->keySystem.data();
}
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