git.iko.soy/unity8
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unity8/plugins/Unity/iconutils.cpp
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1/*
2 * Copyright (C) 2013 Canonical, Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *
16 * Authors:
17 * Michal Hruby <michal.hruby@canonical.com>
18 */
20#include "iconutils.h"
22#include <gio/gio.h>
24#include <QStringList>
25#include <QUrl>
26#include <QUrlQuery>
28#define BASE_THEME_ICON_URI "image://theme/"
29#define BASE_THUMBNAILER_URI "image://thumbnailer/"
30#define BASE_ALBUMART_URI "image://albumart/"
32QString gIconToDeclarativeImageProviderString(QString const &giconString)
34 if (giconString.isEmpty()) return giconString;
36 if (giconString.startsWith('/') || giconString.startsWith(QLatin1String("http")) ||
37 giconString.startsWith(QLatin1String("file:")) || giconString.startsWith(QLatin1String("image:"))) {
38 return giconString;
39 }
41 if (!giconString.startsWith(QLatin1String(". "))) {
42 // must be a themed icon
43 QString themedIcon(BASE_THEME_ICON_URI);
44 themedIcon.append(giconString);
45 return themedIcon;
46 }
48 // special case annotated icon
49 if (giconString.startsWith(QLatin1String(". UnityProtocolAnnotatedIcon "))) {
50 QString annotatedIcon;
51 QString serializedData(QUrl::fromPercentEncoding(giconString.mid(29).toUtf8()));
52 GVariant *variant = g_variant_parse(G_VARIANT_TYPE_VARDICT, serializedData.toUtf8().constData(), NULL, NULL, NULL);
53 gchar *baseUri;
54 if (variant != NULL && g_variant_lookup(variant, "base-icon", "&s", &baseUri)) {
55 annotatedIcon = gIconToDeclarativeImageProviderString(QString(baseUri));
56 // FIXME: enclose in image://annotated/... once unity supports that
57 }
58 if (variant != NULL) g_variant_unref(variant);
60 return annotatedIcon;
61 }
63 // handle real gicon strings
64 QString result;
65 GError *error = NULL;
66 GIcon *icon = g_icon_new_for_string(giconString.toLocal8Bit().constData(), &error);
67 if (error != NULL || icon == NULL) {
68 qWarning("Unable to deserialize icon: %s", giconString.toLocal8Bit().constData());
69 g_clear_error(&error);
70 return result;
71 }
73 if (G_IS_THEMED_ICON(icon)) {
74 QString themedIcon(BASE_THEME_ICON_URI);
75 QStringList list;
76 const char* const *iconNames = g_themed_icon_get_names(G_THEMED_ICON(icon));
77 if (iconNames != NULL) {
78 for (const char * const *iter = iconNames; *iter != NULL; ++iter) {
79 list << QLatin1String(*iter);
80 }
81 }
82 themedIcon.append(list.join(QString(",")));
83 result = themedIcon;
84 } else if (G_IS_FILE_ICON(icon)) {
85 GFile *file = g_file_icon_get_file(G_FILE_ICON(icon));
86 gchar *uri = g_file_get_uri(file);
87 QString iconUri(uri);
88 g_free(uri);
89 result = iconUri;
90 }
92 g_object_unref(icon);
94 return result;
97QString uriToThumbnailerProviderString(QString const &uri, QString const &mimetype, QVariantHash const &metadata)
99 if (uri.startsWith(QLatin1String("file:///"))) {
100 bool isAudio = mimetype.startsWith(QLatin1String("audio/"));
101 QString thumbnailerUri;
102 if (isAudio) {
103 thumbnailerUri = BASE_ALBUMART_URI;
104 if (metadata.contains("content")) {
105 QVariantHash contentHash = metadata["content"].toHash();
106 if (contentHash.contains("content")) { // nested content in Home?
107 contentHash = contentHash["content"].toHash();
108 }
109 if (contentHash.contains("album") && contentHash.contains("artist")) {
110 QUrlQuery query;
111 query.addQueryItem(QStringLiteral("artist"), contentHash["artist"].toString());
112 query.addQueryItem(QStringLiteral("album"), contentHash["album"].toString());
113 thumbnailerUri.append(query.toString());
114 }
115 }
116 } else {
117 thumbnailerUri = BASE_THUMBNAILER_URI;
118 thumbnailerUri.append(uri.midRef(7));
119 }
120 return thumbnailerUri;
121 }
123 return QString::null;