1 files changed, 149 insertions, 0 deletions
diff --git a/extensions/firefox/chrome/inject_on_load.js b/extensions/firefox/chrome/inject_on_load.js
new file mode 100644
index 0000000..faa4dbf
--- /dev/null
+++ b/extensions/firefox/chrome/inject_on_load.js
@@ -0,0 +1,149 @@
+(function() {
+  var isFocused = true;
+
+  function vkAudio__getLastInstanceId() {
+    var id = null, pp = ls.get('pad_playlist');
+    if (pp && pp.source) id = pp.source;
+    return id;
+  }
+  function vkAudio__getParams() {
+    var data = {};
+    try {
+      var havePlayer = window.audioPlayer !== undefined;
+      var havePlaylist = havePlayer && !!padAudioPlaylist();
+
+      data = {
+        havePlayer: havePlayer,
+        havePlaylist: havePlaylist,
+        isPlaying: havePlayer && window.audioPlayer.player && !window.audioPlayer.player.paused(),
+        instanceId: window.curNotifier && curNotifier.instance_id,
+        trackId: havePlayer && audioPlayer.id,
+        lastInstanceId: vkAudio__getLastInstanceId()
+      };
+    } catch(e) {}
+
+    return data;
+  }
+  function vkAudio__getPlayFirstId() {
+    var id = currentAudioId() || ls.get('audio_id') || (window.audioPlaylist && audioPlaylist.start);
+    return id || null;
+  }
+  function vkAudio__executeAfterPadLoading(f) {
+    Pads.show('mus');
+    window.onPlaylistLoaded = function() {
+      if (f) {
+        try {
+          f();
+        } catch(e) {}
+      }
+      setTimeout(function() {
+        Pads.show('mus');
+      }, 10);
+    }
+  }
+  function vkAudio__next() {
+    console.log("Next");
+    window.audioPlayer && audioPlayer.nextTrack(true, !window.audioPlaylist);
+  }
+  function vkAudio__prev() {
+    console.log("Prev");
+    window.audioPlayer && audioPlayer.prevTrack(true, !window.audioPlaylist);
+  }
+  function vkAudio__playPause() {
+    console.log("PlayPause");
+    if (!window.audioPlayer || !padAudioPlaylist()) {
+      stManager.add(['audioplayer.js'], function() {
+        vkAudio__executeAfterPadLoading(function() {
+          var plist = padAudioPlaylist(), id = vkAudio__getPlayFirstId();
+          if (id) {
+            playAudioNew(id);
+          } else if (plist && plist.start) {
+            playAudioNew(plist.start);
+          }
+        });
+      });
+    } else {
+      if (window.audioPlayer && audioPlayer.player) {
+        if (audioPlayer.player.paused()) {
+          audioPlayer.playTrack(); 
+        } else {
+          audioPlayer.pauseTrack();
+        }
+      }
+    }
+  }
+
+  function createCData(data) {
+    var docu = new DOMParser().parseFromString('<xml></xml>',  "application/xml");
+    var cdata = docu.createCDATASection(data);
+    docu.getElementsByTagName('xml')[0].appendChild(cdata);
+    return cdata;
+  }
+  function sendMessage(json) {
+    // Fucking crazy.
+    json.bg = 1;
+
+    var cdata = createCData(JSON.stringify(json));
+    document.getElementById('utils').appendChild(cdata);
+
+    var evt = document.createEvent("Events");
+    evt.initEvent("VKPCInjectedMessage", true, false);
+    cdata.dispatchEvent(evt);
+  }
+  function remove() {
+    remove.parentNode.removeChild(remove);
+  }
+  function receiveCommand(e) {
+    var target = e.target, json = JSON.parse(target.data || "{}");
+
+    switch (json.cmd) {
+    case "getParams":
+      var params = vkAudio__getParams();
+      params.isFocused = isFocused;
+      sendMessage({
+        data: params, 
+        cmd: "params",
+        id: json.id
+      });
+      break;
+
+    case "audioCommand":
+      switch (json.command) {
+      case "play":
+      case "pause":
+        vkAudio__playPause();
+        break;
+      
+      case "next":
+        vkAudio__next();
+        break;
+
+      case "prev":
+        vkAudio__prev();
+        break;
+      }
+      break;
+    }
+
+    try {
+      _VKPC.remove(target);
+    } catch (e) {}
+  }
+
+  window.addEventListener("DOMContentLoaded", function(e) {
+    if (window.vk) {
+      document.addEventListener("VKPCBgMessage", receiveCommand, false);
+
+      sendMessage({
+        cmd: "register"
+      });
+    }
+  });
+
+  window.addEventListener("focus", function(e) {
+    isFocused = true;
+  }, false);
+  window.addEventListener("blur", function(e) {
+    isFocused = false
+  }, false);
+})();