1/*
2 * Copyright (C) 2014 Igalia S.L
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "config.h"
20#include "WebKitUserMediaPermissionRequest.h"
21
22#include "UserMediaPermissionRequestProxy.h"
23#include "WebKitPermissionRequest.h"
24#include "WebKitUserMediaPermissionRequestPrivate.h"
25#include <glib/gi18n-lib.h>
26#include <wtf/glib/WTFGType.h>
27
28using namespace WebKit;
29
30/**
31 * SECTION: WebKitUserMediaPermissionRequest
32 * @Short_description: A permission request for accessing user's audio/video devices.
33 * @Title: WebKitUserMediaPermissionRequest
34 * @See_also: #WebKitPermissionRequest, #WebKitWebView
35 *
36 * WebKitUserMediaPermissionRequest represents a request for
37 * permission to decide whether WebKit should be allowed to access the user's
38 * audio and video source devices when requested through the getUserMedia API.
39 *
40 * When a WebKitUserMediaPermissionRequest is not handled by the user,
41 * it is denied by default.
42 *
43 * Since: 2.8
44 */
45
46enum {
47 PROP_0,
48 PROP_IS_FOR_AUDIO_DEVICE,
49 PROP_IS_FOR_VIDEO_DEVICE
50};
51
52static void webkit_permission_request_interface_init(WebKitPermissionRequestIface*);
53
54struct _WebKitUserMediaPermissionRequestPrivate {
55 RefPtr<UserMediaPermissionRequestProxy> request;
56 bool madeDecision;
57};
58
59WEBKIT_DEFINE_TYPE_WITH_CODE(
60 WebKitUserMediaPermissionRequest, webkit_user_media_permission_request, G_TYPE_OBJECT,
61 G_IMPLEMENT_INTERFACE(WEBKIT_TYPE_PERMISSION_REQUEST, webkit_permission_request_interface_init))
62
63static void webkitUserMediaPermissionRequestAllow(WebKitPermissionRequest* request)
64{
65 ASSERT(WEBKIT_IS_USER_MEDIA_PERMISSION_REQUEST(request));
66
67 WebKitUserMediaPermissionRequestPrivate* priv = WEBKIT_USER_MEDIA_PERMISSION_REQUEST(request)->priv;
68
69 // Only one decision at a time.
70 if (priv->madeDecision)
71 return;
72
73 priv->madeDecision = true;
74
75 auto videoDeviceUIDs = priv->request->videoDeviceUIDs();
76 auto audioDeviceUIDs = priv->request->audioDeviceUIDs();
77
78 auto videoDevice = !videoDeviceUIDs.isEmpty() ? videoDeviceUIDs[0] : emptyString();
79 auto audioDevice = !audioDeviceUIDs.isEmpty() ? audioDeviceUIDs[0] : emptyString();
80
81 priv->request->allow(audioDevice, videoDevice);
82}
83
84static void webkitUserMediaPermissionRequestDeny(WebKitPermissionRequest* request)
85{
86 ASSERT(WEBKIT_IS_USER_MEDIA_PERMISSION_REQUEST(request));
87
88 WebKitUserMediaPermissionRequestPrivate* priv = WEBKIT_USER_MEDIA_PERMISSION_REQUEST(request)->priv;
89
90 // Only one decision at a time.
91 if (priv->madeDecision)
92 return;
93
94 priv->madeDecision = true;
95 priv->request->deny(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::PermissionDenied);
96}
97
98static void webkit_permission_request_interface_init(WebKitPermissionRequestIface* iface)
99{
100 iface->allow = webkitUserMediaPermissionRequestAllow;
101 iface->deny = webkitUserMediaPermissionRequestDeny;
102}
103
104static void webkitUserMediaPermissionRequestDispose(GObject* object)
105{
106 // Default behaviour when no decision has been made is denying the request.
107 webkitUserMediaPermissionRequestDeny(WEBKIT_PERMISSION_REQUEST(object));
108 G_OBJECT_CLASS(webkit_user_media_permission_request_parent_class)->dispose(object);
109}
110
111/**
112 * webkit_user_media_permission_is_for_audio_device:
113 * @request: a #WebKitUserMediaPermissionRequest
114 *
115 * Returns: %TRUE if access to an audio device was requested.
116 *
117 * Since: 2.8
118 */
119gboolean webkit_user_media_permission_is_for_audio_device(WebKitUserMediaPermissionRequest* request)
120{
121 g_return_val_if_fail(request->priv->request, FALSE);
122 return request->priv->request->requiresAudioCapture();
123}
124
125/**
126 * webkit_user_media_permission_is_for_video_device:
127 * @request: a #WebKitUserMediaPermissionRequest
128 *
129 * Returns: %TRUE if access to a video device was requested.
130 *
131 * Since: 2.8
132 */
133gboolean webkit_user_media_permission_is_for_video_device(WebKitUserMediaPermissionRequest* request)
134{
135 g_return_val_if_fail(request->priv->request, FALSE);
136 return request->priv->request->requiresVideoCapture();
137}
138
139static void webkitUserMediaPermissionRequestGetProperty(GObject* object, guint propId, GValue* value, GParamSpec* paramSpec)
140{
141 WebKitUserMediaPermissionRequest* request = WEBKIT_USER_MEDIA_PERMISSION_REQUEST(object);
142
143 switch (propId) {
144 case PROP_IS_FOR_AUDIO_DEVICE:
145 g_value_set_boolean(value, webkit_user_media_permission_is_for_audio_device(request));
146 break;
147 case PROP_IS_FOR_VIDEO_DEVICE:
148 g_value_set_boolean(value, webkit_user_media_permission_is_for_video_device(request));
149 break;
150 default:
151 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propId, paramSpec);
152 }
153}
154
155static void webkit_user_media_permission_request_class_init(WebKitUserMediaPermissionRequestClass* klass)
156{
157 GObjectClass* objectClass = G_OBJECT_CLASS(klass);
158 objectClass->dispose = webkitUserMediaPermissionRequestDispose;
159 objectClass->get_property = webkitUserMediaPermissionRequestGetProperty;
160
161 /**
162 * WebKitUserPermissionRequest:is-for-audio-device:
163 *
164 * Whether the media device to which the permission was requested has a microphone or not.
165 *
166 * Since: 2.8
167 */
168 g_object_class_install_property(objectClass, PROP_IS_FOR_AUDIO_DEVICE,
169 g_param_spec_boolean("is-for-audio-device", _("Is for audio device"),
170 _("Whether the media device to which the permission was requested has a microphone or not."),
171 FALSE,
172 WEBKIT_PARAM_READABLE));
173
174 /**
175 * WebKitUserPermissionRequest:is-for-video-device:
176 *
177 * Whether the media device to which the permission was requested has a video capture capability or not.
178 *
179 * Since: 2.8
180 */
181 g_object_class_install_property(objectClass, PROP_IS_FOR_VIDEO_DEVICE,
182 g_param_spec_boolean("is-for-video-device", _("Is for video device"),
183 _("Whether the media device to which the permission was requested has a video capture capability or not."),
184 FALSE,
185 WEBKIT_PARAM_READABLE));
186}
187
188WebKitUserMediaPermissionRequest* webkitUserMediaPermissionRequestCreate(UserMediaPermissionRequestProxy& request, API::SecurityOrigin& userMediaDocumentOrigin, API::SecurityOrigin& topLevelDocumentOrigin)
189{
190 WebKitUserMediaPermissionRequest* usermediaPermissionRequest = WEBKIT_USER_MEDIA_PERMISSION_REQUEST(g_object_new(WEBKIT_TYPE_USER_MEDIA_PERMISSION_REQUEST, nullptr));
191
192 // FIXME: store SecurityOrigins
193 UNUSED_PARAM(userMediaDocumentOrigin);
194 UNUSED_PARAM(topLevelDocumentOrigin);
195
196 usermediaPermissionRequest->priv->request = &request;
197 return usermediaPermissionRequest;
198}
199