Render typed PM media using shared Qt message roles

tools/chatgui-android/jni_bridge/android_jni_bridge.c

@@ -664,13 +664,14 @@ void utun_bridge_dm_send_file(const char* conv_id, const char* path, const char*
     if (!conv_id || !path || !name || !uasync_is_running(ua)) { bridge_log(BLEV_WARN, "DM file: invalid request/core stopped"); return; }
     struct dm_file_req* req = u_calloc(1, sizeof(*req));
     if (!req) { bridge_log(BLEV_ERROR, "DM file: OOM"); return; }
-    if (strlen(conv_id) >= sizeof(req->conv) || strlen(path) >= sizeof(req->path) || strlen(name) >= sizeof(req->name)) {
+    if (strlen(conv_id) >= sizeof(req->conv) || strlen(path) >= sizeof(req->path) || strlen(name) >= sizeof(req->info.name)) {
         bridge_log(BLEV_ERROR, "DM file: path, conversation or name too long"); u_free(req); return;
     }
     req->inst = instance_lite_get_instance();
     snprintf(req->conv, sizeof(req->conv), "%s", conv_id);
     snprintf(req->path, sizeof(req->path), "%s", path);
-    snprintf(req->name, sizeof(req->name), "%s", name);
+    req->info.kind = ATTACHMENT_FILE;
+    snprintf(req->info.name, sizeof(req->info.name), "%s", name);
     uasync_post(ua, dm_send_file_trampoline, req);
 }
 

tools/chatgui/src/messagelist.cpp

@@ -385,6 +385,17 @@ MessageList::MessageList(DbManager* db, AudioRecorder* recorder, QWidget *parent
     msgDelegate->setImageOpenCallback([this](const QString& path) {
         emit openImageRequested(path);
     });
+    msgDelegate->setDownloadCallback([](const QModelIndex& index) {
+        QString target = index.data(MsgChannelIdRole).toString();
+        qint64 id = index.data(MsgIdRole).toLongLong();
+        if (target.isEmpty() || target.startsWith("dm:") || id <= 0) return false;
+        auto* req = (struct attachment_dl_req*)u_calloc(1, sizeof(struct attachment_dl_req));
+        if (!req) { DEBUG_ERROR(DEBUG_CATEGORY_MEDIA, "attachment: download request allocation failed"); return false; }
+        req->inst = gui_bridge_get_inst(); req->msg_id = id;
+        snprintf(req->channel_id, sizeof(req->channel_id), "%s", target.toUtf8().constData());
+        gui_bridge_post_uasync_fn(chat_core_attachment_download_trampoline, req);
+        return true;
+    });
     m_view->setItemDelegate(msgDelegate);
     m_view->setEditTriggers(QAbstractItemView::NoEditTriggers);
     m_view->setSelectionMode(QAbstractItemView::NoSelection);
@@ -1097,7 +1108,8 @@ void MessageList::onDmMessages(const uint8_t* data, int len) {
         item->setData(QVariant::fromValue(author), MsgAuthorNodeIdRole);
         item->setData(dir == 1 ? 1 : 0, MsgIsOutgoingRole);
         item->setData(m_currentChannelId, MsgChannelIdRole);
-        item->setData(file ? QStringLiteral("application/octet-stream") : QStringLiteral("text/plain"), MsgContentTypeRole);
+        QString type = message.value("content_type").toString(QStringLiteral("text/plain"));
+        item->setData(type, MsgContentTypeRole);
         if (file) {
             QString path = message.value("media_path").toString();
             item->setData(path, MsgVoiceFileRole);
@@ -1105,6 +1117,19 @@ void MessageList::onDmMessages(const uint8_t* data, int len) {
             item->setData((qint64)message.value("media_size").toDouble(), MsgFileSizeRole);
             item->setData(path.isEmpty() ? (state == "expired" ? 0 : 1) : 2, MsgFileDownloadStateRole);
             item->setData(status, MsgDeliveryStateRole);
+            int duration = message.value("duration_ms").toInt();
+            if (type == "audio/opus") {
+                item->setData(QString::number(duration / 1000.0, 'f', 1) + "s", MsgVoiceDurationRole);
+                item->setData((qint64)message.value("media_size").toDouble(), MsgVoiceFileSizeRole);
+                QVariantList waveform;
+                const QString levels = QStringLiteral("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
+                for (QChar level : message.value("waveform").toString()) waveform.append(qMax(0, levels.indexOf(level)) / 63.0);
+                item->setData(waveform, MsgVoiceWaveformRole);
+            } else if (type == "video/mp4") {
+                item->setData(duration, MsgVideoDurationMsRole);
+                item->setData(message.value("width").toInt(), MsgVideoWidthRole);
+                item->setData(message.value("height").toInt(), MsgVideoHeightRole);
+            }
         }
         m_model->appendRow(item);
     }