Adding first code drop

[demorecorder] / src / Track.vala

diff --git a/src/Track.vala b/src/Track.vala
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+++ b/src/Track.vala
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+/*  Demo Recorder for MAEMO 5
+*   Copyright (C) 2010 Dru Moore <usr@dru-id.co.uk>
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License version 2,
+*   or (at your option) any later version, as published by the Free
+*   Software Foundation
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details
+*
+*   You should have received a copy of the GNU General Public
+*   License along with this program; if not, write to the
+*   Free Software Foundation, Inc.,
+*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+namespace IdWorks {
+
+protected struct Track {
+
+  public string uri;
+  public string label;
+  public bool active;
+  public bool mute;
+  public double volume;
+  public double pan;
+  public TrackBin bin;
+  //public TrackTransport transport;
+  
+  public Track() {
+    this.uri = "";
+    this.label = "";
+    this.active = false;
+    this.mute = false;
+    this.volume = 0.0;
+    this.pan = 0.0;
+    this.bin = null;
+    //this.transport = null;
+  }
+  
+  public Track.with_uri(string uri, string label, bool active, bool mute, double volume, double pan) {
+    this.uri = uri;
+    this.label = label;
+    this.active = active;
+    this.mute = mute;
+    this.volume = volume;
+    this.pan = pan;
+    this.bin = new TrackBin(label);
+    this.bin.set_uri(uri);
+    //this.transport = null;
+  }
+  
+  //public void set_transport(TrackTransport transport) {
+    //this.transport = transport;
+    //this.transport.active_toggled.connect(active_toggled_callback);
+  //}
+  
+  public SettingsStructures.TrackSettings get_settings_structure() {
+    SettingsStructures.TrackSettings ret = SettingsStructures.TrackSettings();
+    ret.uri = uri;
+    ret.name = label;
+    ret.notes = "";
+    ret.active = active;
+    ret.volume = SettingsStructures.VolumeSettings.with_values(volume, mute);
+    ret.panorama = SettingsStructures.PanoramaSettings.with_values(pan);
+    ret.dynamics = SettingsStructures.DynamicsSettings();
+    ret.echo = SettingsStructures.EchoSettings();
+    ret.equalizer = SettingsStructures.EqualizerSettings();
+    return ret;
+  }
+  public void from_settings_structure(SettingsStructures.TrackSettings settings) {
+    this.uri = settings.uri;
+    this.label = settings.name;
+    this.active = settings.active;
+    this.mute = settings.volume.mute;
+    this.volume = settings.volume.volume;
+    this.pan = settings.panorama.panorama;
+    this.bin = new TrackBin(this.label);
+    this.bin.set_uri(this.uri);
+  }
+  
+  public static string tracklist_to_xml_string(List<Track?> tracklist) {
+    string ret = "<TrackList>\n";
+    for (int idx = 0; idx < tracklist.length(); ++idx) {
+      ret += ((Track)tracklist.nth_data(idx)).get_settings_structure().to_xml_string();
+    }
+    return ret + "</TrackList>\n";
+  }
+  
+  public static void tracklist_from_xml_node_helper(Xml.Node* node, ref unowned List<Track?> tracks) {
+    // Loop over the passed node's children
+    for (Xml.Node* iter = node->children; iter != null; iter = iter->next) {
+      // Spaces between tags are also nodes, discard them
+      if (iter->type != Xml.ElementType.ELEMENT_NODE) {
+        continue;
+      }
+      // Get the node's name
+      if ("TrackList" == iter->name) {
+        tracklist_from_xml_node(iter, ref tracks);
+        break;
+      }
+    }
+  }
+  
+  public static void tracklist_from_xml_node(Xml.Node* node, ref unowned List<Track?> tracks) {
+    // Loop over the passed node's children
+    for (Xml.Node* iter = node->children; iter != null; iter = iter->next) {
+      // Spaces between tags are also nodes, discard them
+      if (iter->type != Xml.ElementType.ELEMENT_NODE) {
+        continue;
+      }
+      // Get the node's name
+      string node_name = iter->name;
+      // Get the nodes type
+      //string? type = XmlHelpers.get_node_attribute(iter, "type");
+      if ("TrackSettings" == node_name)
+      {
+        SettingsStructures.TrackSettings track = SettingsStructures.TrackSettings();
+        track.from_xml_node(iter);
+        Track t = Track();
+        t.from_settings_structure(track);
+        tracks.append(t);
+      }
+    }
+  }
+
+}
+
+}