Add linux title media source plugin

Change-Id: I8392f2426bfd68d74033560cc8e6822653e3b88c
Reviewed-on: http://gerrit.dmdirc.com/278
Reviewed-by: Gregory Holmes <greboid@dmdirc.com>
Tested-by: Gregory Holmes <greboid@dmdirc.com>

src/com/dmdirc/addons/mediasource_linux_title/TitleMediaSource.java

@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.addons.mediasource_linux_title;
+
+import com.dmdirc.addons.nowplaying.MediaSource;
+import com.dmdirc.addons.nowplaying.MediaSourceState;
+import com.dmdirc.logger.ErrorLevel;
+import com.dmdirc.logger.Logger;
+import com.dmdirc.util.StreamUtil;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+/**
+ * Provides a media source for Linux players using the `xwininfo` command.
+ */
+public class TitleMediaSource implements MediaSource {
+
+    /** The command to use to get the title. */
+    private final String command;
+
+    /** The name of the player we're retrieving. */
+    private final String name;
+
+    /**
+     * Creates a new title media source.
+     *
+     * @param command The command to be executed
+     * @param name The name of the media source
+     */
+    public TitleMediaSource(final String command, final String name) {
+        this.command = command;
+        this.name = name;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public MediaSourceState getState() {
+        if (getInfo().isEmpty()) {
+            return MediaSourceState.CLOSED;
+        } else if (getInfo().indexOf('-') == -1) {
+            return MediaSourceState.STOPPED;
+        } else {
+            return MediaSourceState.PLAYING;
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getAppName() {
+        return name;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getArtist() {
+        return getInfo().split("–", 2)[0].trim();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getTitle() {
+        final String[] info = getInfo().split("–", 2);
+        
+        if (info.length >= 2) {
+            return info[1].trim();
+        } else {
+            return "";
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getAlbum() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getLength() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getTime() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getFormat() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getBitrate() {
+        return "";
+    }
+    
+    private String getInfo() {
+        InputStreamReader reader = null;
+        BufferedReader input = null;
+        Process process;
+        
+        try {
+            final String[] args = new String[]{
+                "/bin/bash", "-c", "xwininfo -root -tree | " + command
+            };
+
+            process = Runtime.getRuntime().exec(args);
+            
+            reader = new InputStreamReader(process.getInputStream());
+            input = new BufferedReader(reader);
+            
+            String line = "";
+            
+            while ((line = input.readLine()) != null) {
+                return line;
+            }
+        } catch (IOException ex) {
+            Logger.userError(ErrorLevel.LOW, "Unable to retrieve media source info",
+                    ex);
+        } finally {
+            StreamUtil.close(reader);
+            StreamUtil.close(input);
+        }
+        
+        return "";
+    }
+
+}

src/com/dmdirc/addons/mediasource_linux_title/TitleMediaSourcePlugin.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.addons.mediasource_linux_title;
+
+import com.dmdirc.addons.nowplaying.MediaSource;
+import com.dmdirc.addons.nowplaying.MediaSourceManager;
+import com.dmdirc.plugins.Plugin;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A media source plugin which provides two {@link TitleMediaSource}s, one for
+ * the Last.fm linux client and one for Spotify (running under Wine).
+ *
+ * @author chris
+ */
+public class TitleMediaSourcePlugin extends Plugin implements MediaSourceManager {
+
+    /** The sources to be returned. */
+    private List<MediaSource> sources = null;
+
+    /** {@inheritDoc} */
+    @Override
+    public void onLoad() {
+        sources = new ArrayList<MediaSource>(2);
+        sources.add(new TitleMediaSource("grep -E '\\(\"last\\.?fm\" \"Last\\.?fm\"\\)'" +
+                    "| grep -vE '(\"Last.fm " +
+                    "Options\"|\"Diagnostics\"|\"last\\.?fm\"|\"Share\"|\\(has no " +
+                    "name\\)):' | sed -r 's/^[^\"]*?\"(.*)\": \\(\"last\\.?fm.*$/\\1/g'", "Last.fm"));
+        sources.add(new TitleMediaSource("grep '\": (\"spotify.exe' | cut -d '\"' -f 2 | "
+                    + "cut -d '-' -f 2- | sed -r 's/^\\s+|\\s+$//g' | sed -r 's/–/-/g'", "Spotify"));
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void onUnload() {
+        sources.clear();
+        sources = null;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public List<MediaSource> getSources() {
+        return sources;
+    }
+
+}

src/com/dmdirc/addons/mediasource_linux_title/plugin.config

@@ -0,0 +1,34 @@
+# This is a DMDirc configuration file.
+
+# This section indicates which sections below take key/value
+# pairs, rather than a simple list. It should be placed above
+# any sections that take key/values.
+keysections:
+  metadata
+  updates
+  version
+  requires
+
+metadata:
+  author=Chris <chris@dmdirc.com>
+  mainclass=com.dmdirc.addons.mediasource_linux_title.TitleMediaSourcePlugin
+  description=Provides a media source for the Linux Last.fm and Spotify clients
+  name=linuxtitlemediasource
+  nicename=Linux Title Media Source
+
+updates:
+  id=27
+
+version:
+  friendly=0.1
+
+provides:
+  spotify mediasource
+  lastfm mediasource
+
+requires:
+  os=linux
+  files=/bin/bash
+
+required-services:
+  mediasource manager