Merge pull request #19 from salfab/feature/implement_contexts

Implement contexts.

SpotifyAPI/SpoitfyLocalAPI/RemoteHandler.cs

@@ -16,7 +16,7 @@ namespace SpotifyAPI.SpotifyLocalAPI
         public String oauthKey { get; private set; }
         public String cfidKey { get; private set; }
 
-        public String host = "127.0.0.1";
+        public String host = "SpotifyAPI.spotilocal.com";
 
         private class ExtendedWebClientInstance : ExtendedWebClient
         {
@@ -59,9 +59,10 @@ namespace SpotifyAPI.SpotifyLocalAPI
             await QueryAsync("remote/pause.json?pause=false", true, true, -1);
         }
 
-        internal async void SendPlayRequest(String url)
+        internal async void SendPlayRequest(String url, String context = "")
         {
-            await QueryAsync("remote/play.json?uri=" + url, true, true, -1);
+            // TODO: instead of having an empty context, one way to fix the bug with the playback time beyond the length of a song would be to provide a 1-song context, and it would be fixed.
+            await QueryAsync(string.Format("remote/play.json?uri={0}&context={1}", url, context), true, true, -1);
         }
 
         internal async void SendQueueRequest(String url)
@@ -174,7 +175,9 @@ namespace SpotifyAPI.SpotifyLocalAPI
                 parameters += "&returnon=login%2Clogout%2Cplay%2Cpause%2Cerror%2Cap";
             }
 
-            string a = "http://" + host + ":4380/" + request + parameters;
+        
+
+            string a = "http://" + host + ":4380/" + request + parameters ;
             string response = "";
             try
             {

SpotifyAPI/SpoitfyLocalAPI/SpotifyMusicHandler.cs

@@ -54,12 +54,16 @@ namespace SpotifyAPI.SpotifyLocalAPI
             return sr.volume;
         }
         /// <summary>
-        /// Plays a Spotify URI
+        /// Plays a Spotify URI within an optional context.
         /// </summary>
         /// <param name="uri">The Spotify URI. Can be checked with <seealso cref="SpotifyLocalAPIClass.IsValidSpotifyURI"/></param>
-        public void PlayURL(String uri)
+        /// <param name="context">The context in which to play the specified <paramref name="uri"/>. </param>
+        /// <remarks>
+        /// Contexts are basically a queue in spotify. a song can be played within a context, meaning that hitting next / previous would lead to another song. Contexts are leveraged by widgets as described in the "Multiple tracks player" section of the following documentation page: https://developer.spotify.com/technologies/widgets/spotify-play-button/
+        /// </remarks>
+        public void PlayURL(String uri, String context = "")
         {
-            rh.SendPlayRequest(uri);
+            rh.SendPlayRequest(uri, context);
         }
         /// <summary>
         /// Adds a Spotify URI to the Queue

SpotifyLocalAPIExample/Form1.Designer.cs

@@ -29,6 +29,9 @@
         private void InitializeComponent()
         {
             this.groupBox1 = new System.Windows.Forms.GroupBox();
+            this.linkLabel3 = new System.Windows.Forms.LinkLabel();
+            this.linkLabel2 = new System.Windows.Forms.LinkLabel();
+            this.linkLabel1 = new System.Windows.Forms.LinkLabel();
             this.progressBar1 = new System.Windows.Forms.ProgressBar();
             this.label4 = new System.Windows.Forms.Label();
             this.label5 = new System.Windows.Forms.Label();
@@ -39,6 +42,7 @@
             this.label6 = new System.Windows.Forms.Label();
             this.label7 = new System.Windows.Forms.Label();
             this.groupBox2 = new System.Windows.Forms.GroupBox();
+            this.tbContext = new System.Windows.Forms.TextBox();
             this.button5 = new System.Windows.Forms.Button();
             this.textBox1 = new System.Windows.Forms.TextBox();
             this.checkBox1 = new System.Windows.Forms.CheckBox();
@@ -51,9 +55,6 @@
             this.label9 = new System.Windows.Forms.Label();
             this.label8 = new System.Windows.Forms.Label();
             this.pictureBox2 = new System.Windows.Forms.PictureBox();
-            this.linkLabel1 = new System.Windows.Forms.LinkLabel();
-            this.linkLabel2 = new System.Windows.Forms.LinkLabel();
-            this.linkLabel3 = new System.Windows.Forms.LinkLabel();
             this.groupBox1.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
             this.groupBox2.SuspendLayout();
@@ -72,13 +73,43 @@
             this.groupBox1.Controls.Add(this.currentName);
             this.groupBox1.Controls.Add(this.currentAlbum);
             this.groupBox1.Controls.Add(this.pictureBox1);
-            this.groupBox1.Location = new System.Drawing.Point(12, 209);
+            this.groupBox1.Location = new System.Drawing.Point(12, 244);
             this.groupBox1.Name = "groupBox1";
             this.groupBox1.Size = new System.Drawing.Size(279, 313);
             this.groupBox1.TabIndex = 0;
             this.groupBox1.TabStop = false;
             this.groupBox1.Text = "Current Track";
             // 
+            // linkLabel3
+            // 
+            this.linkLabel3.AutoSize = true;
+            this.linkLabel3.Location = new System.Drawing.Point(50, 228);
+            this.linkLabel3.Name = "linkLabel3";
+            this.linkLabel3.Size = new System.Drawing.Size(55, 13);
+            this.linkLabel3.TabIndex = 12;
+            this.linkLabel3.TabStop = true;
+            this.linkLabel3.Text = "linkLabel3";
+            // 
+            // linkLabel2
+            // 
+            this.linkLabel2.AutoSize = true;
+            this.linkLabel2.Location = new System.Drawing.Point(50, 205);
+            this.linkLabel2.Name = "linkLabel2";
+            this.linkLabel2.Size = new System.Drawing.Size(55, 13);
+            this.linkLabel2.TabIndex = 11;
+            this.linkLabel2.TabStop = true;
+            this.linkLabel2.Text = "linkLabel2";
+            // 
+            // linkLabel1
+            // 
+            this.linkLabel1.AutoSize = true;
+            this.linkLabel1.Location = new System.Drawing.Point(50, 182);
+            this.linkLabel1.Name = "linkLabel1";
+            this.linkLabel1.Size = new System.Drawing.Size(55, 13);
+            this.linkLabel1.TabIndex = 10;
+            this.linkLabel1.TabStop = true;
+            this.linkLabel1.Text = "linkLabel1";
+            // 
             // progressBar1
             // 
             this.progressBar1.Location = new System.Drawing.Point(10, 280);
@@ -159,6 +190,7 @@
             // 
             // groupBox2
             // 
+            this.groupBox2.Controls.Add(this.tbContext);
             this.groupBox2.Controls.Add(this.button5);
             this.groupBox2.Controls.Add(this.textBox1);
             this.groupBox2.Controls.Add(this.label7);
@@ -174,10 +206,19 @@
             this.groupBox2.Controls.Add(this.label8);
             this.groupBox2.Location = new System.Drawing.Point(12, 12);
             this.groupBox2.Name = "groupBox2";
-            this.groupBox2.Size = new System.Drawing.Size(338, 191);
+            this.groupBox2.Size = new System.Drawing.Size(338, 226);
             this.groupBox2.TabIndex = 11;
             this.groupBox2.TabStop = false;
             this.groupBox2.Text = "Spotify";
+            // 
+            // tbContext
+            // 
+            this.tbContext.Location = new System.Drawing.Point(7, 165);
+            this.tbContext.Name = "tbContext";
+            this.tbContext.Size = new System.Drawing.Size(317, 20);
+            this.tbContext.TabIndex = 15;
+            this.tbContext.Text = "spotify:trackset:PREFEREDTITLE:1kICwqOzkICjv8qnQpr9Go,4myBMnNWZlgvVelYeTu55w,3JNc" +
+    "8Kvl4q1oSWH6084W2m,1YrnDTqvcnUKxAIeXyaEmU,1QFh8OH1e78dGd3VyJZCAC";
             // 
             // button5
             // 
@@ -193,10 +234,11 @@
             // 
             // textBox1
             // 
-            this.textBox1.Location = new System.Drawing.Point(6, 136);
+            this.textBox1.Location = new System.Drawing.Point(6, 137);
             this.textBox1.Name = "textBox1";
             this.textBox1.Size = new System.Drawing.Size(237, 20);
             this.textBox1.TabIndex = 13;
+            this.textBox1.Text = "https://open.spotify.com/track/4myBMnNWZlgvVelYeTu55w";
             // 
             // checkBox1
             // 
@@ -211,7 +253,7 @@
             // 
             // button4
             // 
-            this.button4.Location = new System.Drawing.Point(249, 162);
+            this.button4.Location = new System.Drawing.Point(249, 191);
             this.button4.Name = "button4";
             this.button4.Size = new System.Drawing.Size(75, 23);
             this.button4.TabIndex = 11;
@@ -221,7 +263,7 @@
             // 
             // button3
             // 
-            this.button3.Location = new System.Drawing.Point(168, 162);
+            this.button3.Location = new System.Drawing.Point(168, 191);
             this.button3.Name = "button3";
             this.button3.Size = new System.Drawing.Size(75, 23);
             this.button3.TabIndex = 10;
@@ -231,7 +273,7 @@
             // 
             // button2
             // 
-            this.button2.Location = new System.Drawing.Point(87, 162);
+            this.button2.Location = new System.Drawing.Point(87, 191);
             this.button2.Name = "button2";
             this.button2.Size = new System.Drawing.Size(75, 23);
             this.button2.TabIndex = 9;
@@ -241,7 +283,7 @@
             // 
             // button1
             // 
-            this.button1.Location = new System.Drawing.Point(6, 162);
+            this.button1.Location = new System.Drawing.Point(6, 191);
             this.button1.Name = "button1";
             this.button1.Size = new System.Drawing.Size(75, 23);
             this.button1.TabIndex = 8;
@@ -295,41 +337,11 @@
             this.pictureBox2.TabIndex = 12;
             this.pictureBox2.TabStop = false;
             // 
-            // linkLabel1
-            // 
-            this.linkLabel1.AutoSize = true;
-            this.linkLabel1.Location = new System.Drawing.Point(50, 182);
-            this.linkLabel1.Name = "linkLabel1";
-            this.linkLabel1.Size = new System.Drawing.Size(55, 13);
-            this.linkLabel1.TabIndex = 10;
-            this.linkLabel1.TabStop = true;
-            this.linkLabel1.Text = "linkLabel1";
-            // 
-            // linkLabel2
-            // 
-            this.linkLabel2.AutoSize = true;
-            this.linkLabel2.Location = new System.Drawing.Point(50, 205);
-            this.linkLabel2.Name = "linkLabel2";
-            this.linkLabel2.Size = new System.Drawing.Size(55, 13);
-            this.linkLabel2.TabIndex = 11;
-            this.linkLabel2.TabStop = true;
-            this.linkLabel2.Text = "linkLabel2";
-            // 
-            // linkLabel3
-            // 
-            this.linkLabel3.AutoSize = true;
-            this.linkLabel3.Location = new System.Drawing.Point(50, 228);
-            this.linkLabel3.Name = "linkLabel3";
-            this.linkLabel3.Size = new System.Drawing.Size(55, 13);
-            this.linkLabel3.TabIndex = 12;
-            this.linkLabel3.TabStop = true;
-            this.linkLabel3.Text = "linkLabel3";
-            // 
             // Form1
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(1002, 664);
+            this.ClientSize = new System.Drawing.Size(1002, 663);
             this.Controls.Add(this.pictureBox2);
             this.Controls.Add(this.groupBox2);
             this.Controls.Add(this.groupBox1);
@@ -376,6 +388,7 @@
         private System.Windows.Forms.LinkLabel linkLabel3;
         private System.Windows.Forms.LinkLabel linkLabel2;
         private System.Windows.Forms.LinkLabel linkLabel1;
+        private System.Windows.Forms.TextBox tbContext;
 
     }
 }

SpotifyLocalAPIExample/Form1.cs

@@ -139,7 +139,7 @@ namespace SpotifyAPI_Example
         {
             //Not working yet
             //if (SpotifyAPI.IsValidSpotifyURI(textBox1.Text))
-            mh.PlayURL(textBox1.Text);
+            mh.PlayURL(textBox1.Text, tbContext.Text);
         }
 
         private void checkBox1_CheckedChanged(object sender, EventArgs e)