From 46560924cefedf8f1db2c5f13177f2e08b5f37a9 Mon Sep 17 00:00:00 2001
From: blue <blue@macaw.me>
Date: Sun, 2 Sep 2018 22:22:28 +0300
Subject: [PATCH] A draft of player controller in libjs

---
 libjs/wController/CMakeLists.txt |   1 +
 libjs/wController/player.js      | 118 +++++++++++++++++++++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 libjs/wController/player.js

diff --git a/libjs/wController/CMakeLists.txt b/libjs/wController/CMakeLists.txt
index 96b4f71..7f30e50 100644
--- a/libjs/wController/CMakeLists.txt
+++ b/libjs/wController/CMakeLists.txt
@@ -17,3 +17,4 @@ configure_file(localModel.js localModel.js)
 configure_file(catalogue.js catalogue.js)
 configure_file(imagePane.js imagePane.js)
 configure_file(file/file.js file/file.js)
+configure_file(player.js player.js)
diff --git a/libjs/wController/player.js b/libjs/wController/player.js
new file mode 100644
index 0000000..ccb015f
--- /dev/null
+++ b/libjs/wController/player.js
@@ -0,0 +1,118 @@
+"use strict";
+
+var Controller = require("./controller");
+var Button = require("./button");
+var Vocabulary = require("./vocabulary");
+var Enum = require("../utils/enum");
+
+var Player = Controller.inherit({
+    className: "Player",
+    constructor: function(addr) {
+        Controller.fn.constructor.call(this, addr);
+        
+        this.controls = Object.create(null);
+        this.views = Object.create(null);
+        
+        this.addHandler("get");
+        this.addHandler("viewsChange");
+    },
+    _addControl: function(type, address) {
+        var t = type.valueOf();
+        
+        if (this.controls[t] !== undefined) {
+            throw new Error("An attempt to add multiple instances of " + ItemType.reversed[t] + " into Player");
+        }
+        
+        if (ItemType.reversed[t] !== undefined) {
+            switch (t) {
+                case ItemType.straight.playPause:
+                    var btn = new Button(address.clone());
+                    btn.itemType = t;
+                    this.controls[t] = btn;
+                    this.addController(btn);
+                    break;
+                default:
+                    this.trigger("serviceMessage", "An attempt to add ItemType " + ItemType.reversed[t] + " to controls of the Player, but it's not qualified to be a control");
+            }
+        } else {
+            this.trigger("serviceMessage", "An unrecgnized item ItemType in Player: " + t);
+        }
+    },
+    _addView: function(type, address) {
+        var t = type.valueOf();
+        
+        if (this.views[t] !== undefined) {
+            throw new Error("An attempt to add multiple instances of " + ItemType.reversed[t] + " into Player");
+        }
+        
+        if (ItemType.reversed[t] !== undefined) {
+            switch (t) {
+                case ItemType.straight.queue:
+                    this.trigger("serviceMessage", "Queue is not supported yet in Player");
+                    break;
+                case ItemType.straight.currentPlayback:
+                    var cpb = new Vocabulary(address.clone());
+                    cpb.ItemType = t;
+                    this.views[t] = cpb;
+                    this.addController(cpb);
+                default:
+                    this.trigger("serviceMessage", "An attempt to add ItemType " + ItemType.reversed[t] + " to views of the Player, but it's not qualified to be a view");
+            }
+        } else {
+            this.trigger("serviceMessage", "An unrecgnized item ItemType in Player: " + t);
+        }
+    },
+    _h_get: function(ev) {
+        var data = ev.getData();
+        
+        var controls = data.at("controls");
+        var views = data.at("views");
+        var size, i, vc;
+        
+        size = controls.length();
+        for (i = 0; i < size; ++i) {
+            vc = controls.at(i);
+            this._addControl(vc.at("type"), vc.at("address"));
+        }
+        
+        size = views.length();
+        for (i = 0; i < size; ++i) {
+            vc = views.at(i);
+            this._addview(vc.at("type"), vc.at("address"));
+        }
+    },
+    _h_viewsChange: function(ev) {
+        var data = ev.getData();
+        
+        var add = data.at("add");
+        var remove = data.at("remove");
+        var size, i, vc;
+        
+        size = remove.length();
+        for (i = 0; i < size; ++i) {
+            this._removeView(remove.at(i));
+        }
+        
+        size = add.length();
+        for (i = 0; i < size; ++i) {
+            vc = add.at(i);
+            this._addview(vc.at("type"), vc.at("address"));
+        }
+    },
+    _removeControl: function(type) {
+        //TODO
+    },
+    _removeView: function(type) {
+        //TODO
+    }
+    
+});
+
+var ItemType = new Enum("ItemType");
+ItemType.add("playPause");
+ItemType.add("currentPlayback");
+ItemType.add("queue");
+
+Player.ItemType = ItemType;
+
+module.exports = Player;