Add sound manager initial source code

[staging/soundmanager.git] / sample / mediaplayer / app / api / LightMediaScanner.qml

diff --git a/sample/mediaplayer/app/api/LightMediaScanner.qml b/sample/mediaplayer/app/api/LightMediaScanner.qml
new file mode 100644 (file)
index 0000000..cbacb8c
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+++ b/sample/mediaplayer/app/api/LightMediaScanner.qml
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2016 The Qt Company Ltd.
+ * Copyright (C) 2017 Konsulko Group
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import QtQuick 2.6
+import QtWebSockets 1.0
+
+WebSocket {
+    id: root
+    active: true
+    url: bindingAddress
+
+    property string statusString: "waiting..."
+    property string apiString: "media-manager"
+    property var verbs: []
+    property var items: []
+    property string payloadLength: "9999"
+
+    readonly property var msgid: {
+        "call": 2,
+        "retok": 3,
+        "reterr": 4,
+        "event": 5
+    }
+
+    function validateItem(media) {
+        for (var i = 0; i < media.length; i++) {
+            var item = media[i]
+            if (root.items.indexOf(item) < 0) {
+                playlist.addItem(item)
+                root.items.push(item)
+            }
+        }
+    }
+
+    onTextMessageReceived: {
+        var json = JSON.parse(message)
+        console.debug("Raw response: " + message)
+        var request = json[2].request
+        var response = json[2].response
+        console.debug("response: " + JSON.stringify(response))
+        switch (json[0]) {
+            case msgid.call:
+                break
+            case msgid.retok:
+                root.statusString = request.status
+                var verb = verbs.shift()
+                if (verb == "media_result") {
+                    console.debug("Media result returned")
+                    validateItem(response.Media)
+                }
+                break
+            case msgid.reterr:
+                root.statusString = "Bad return value, binding probably not installed"
+                break
+            case msgid.event:
+                var payload = JSON.parse(JSON.stringify(json[2]))
+                var event = payload.event
+                if (event == "media-manager/media_added") {
+                    console.debug("Media is inserted")
+                    validateItem(json[2].data.Media)
+                } else if (event == "media-manager/media_removed") {
+                    var removed = 0
+                    console.debug("Media is removed")
+                    player.stop()
+
+                    for (var i = 0; i < root.items.length; i++) {
+                        if (root.items[i].startsWith(json[2].data.Path)) {
+                            playlist.removeItem(i - removed++)
+                        }
+                    }
+                    root.items = root.items.filter(function (item) { return !item.startsWith(json[2].data.Path) })
+                }
+                break
+        }
+    }
+
+    onStatusChanged: {
+        switch (status) {
+            case WebSocket.Open:
+            console.debug("onStatusChanged: Open")
+            sendSocketMessage("subscribe", { value: "media_added" })
+            sendSocketMessage("subscribe", { value: "media_removed" })
+            root.populateMediaPlaylist()
+            break
+            case WebSocket.Error:
+            root.statusString = "WebSocket error: " + root.errorString
+            break
+        }
+    }
+
+    function sendSocketMessage(verb, parameter) {
+        var requestJson = [ msgid.call, payloadLength, apiString + '/'
+        + verb, parameter ]
+        console.debug("sendSocketMessage: " + JSON.stringify(requestJson))
+        verbs.push(verb)
+        sendTextMessage(JSON.stringify(requestJson))
+    }
+
+    function populateMediaPlaylist() {
+        sendSocketMessage("media_result", 'None')
+    }
+}