diff options
Diffstat (limited to 'smarttv-client/Javascript/Config.js')
| -rwxr-xr-x | smarttv-client/Javascript/Config.js | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/smarttv-client/Javascript/Config.js b/smarttv-client/Javascript/Config.js new file mode 100755 index 0000000..b0742a4 --- /dev/null +++ b/smarttv-client/Javascript/Config.js @@ -0,0 +1,227 @@ +var Config = {
+ cfgFileName : curWidget.id + "/config.dta",
+ XHRObj : null,
+ xmlDocument : null,
+ serverUrl : "", // Will become the main URL for contacting the server
+ serverAddr : "192.168.1.122:8000",
+ format :"has",
+ tgtBufferBitrate : 6000, // kbps
+ totalBufferDuration : 30, // sec
+ initialBuffer : 10, // in percent
+ pendingBuffer: 40, // in percent
+ initialTimeOut: 3, // sec
+ skipDuration : 30, // sec
+ noLiveChannels : 30,
+ firstLaunch : false
+};
+
+
+/*
+ * Check for First launch
+ * Launch Config Menu
+ * Write File in Confi Menu
+ * Come back here, read the file and continue
+ */
+
+
+Config.init = function () {
+ var fileSystemObj = new FileSystem();
+
+ if (fileSystemObj.isValidCommonPath(curWidget.id) == 0){
+ Display.showPopup ("First Launch of the Widget --> Launching Config Menu");
+ alert("First Launch of the Widget");
+ // should switch to the config screen here
+ var res = fileSystemObj.createCommonDir(curWidget.id);
+ if (res == true) {
+ Config.firstLaunch = true;
+
+// Config.writeContext("192.168.1.122:8000");
+ Main.changeState(4);
+ return;
+ }
+ else {
+ Display.showPopup ("ERROR: Cannot create widget folder");
+ }
+ return;
+ }
+
+ else {
+ Config.readContext();
+ }
+
+ Config.fetchConfig();
+};
+
+Config.fetchConfig = function () {
+ if (this.XHRObj == null) {
+ this.XHRObj = new XMLHttpRequest();
+ }
+
+ if (this.XHRObj) {
+
+ this.XHRObj.onreadystatechange = function() {
+ if (Config.XHRObj.readyState == 4) {
+ Config.processConfig();
+ }
+ };
+
+ this.XHRObj.open("GET", this.serverUrl + "/widget.conf", true);
+ this.XHRObj.send(null);
+ }
+};
+
+Config.writeContext = function (addr) {
+ var fileSystemObj = new FileSystem();
+
+ var fd = fileSystemObj.openCommonFile(Config.cfgFileName,"w");
+
+ fd.writeLine('serverAddr ' + addr); // SHould be overwritten by Options menue
+ fileSystemObj.closeCommonFile(fd);
+};
+
+Config.updateContext = function (addr) {
+ var fileSystemObj = new FileSystem();
+
+ var fd = fileSystemObj.openCommonFile(Config.cfgFileName,"w");
+
+ fd.writeLine('serverAddr ' + addr); // SHould be overwritten by Options menue
+ fileSystemObj.closeCommonFile(fd);
+
+ Config.serverAddr = addr;
+ Config.serverUrl = "http://" + Config.serverAddr;
+};
+
+Config.readContext = function () {
+ var fileSystemObj = new FileSystem();
+
+// Display.showPopup ("Reading Config file for curWidget.id= " + curWidget.id);
+
+ try {
+ var fd = fileSystemObj.openCommonFile(Config.cfgFileName, "r");
+
+ var line = "";
+
+ while (line = fd.readLine()) {
+ var avp = line.split(" ");
+// Display.showPopup ("Reading Config: attr= " + avp[0] + " val= " + avp[1]);
+ if (avp.length > 1) {
+ Config.serverAddr = avp[1];
+ Config.serverUrl = "http://" + Config.serverAddr;
+ }
+ else {
+ Display.showPopup ("WARNING: Error in Config File");
+ }
+ }
+ fileSystemObj.closeCommonFile(fd);
+ }
+ catch (e) {
+ var res = fileSystemObj.createCommonDir(curWidget.id);
+ if (res == true) {
+ Display.showPopup ("*** Read Error and Widget Folder successfully created ***");
+ alert("-------------- Error: res = true ------------------------");
+ }
+ else {
+ Display.showPopup ("*** Read Error and Widget Folder creation failed ***");
+ alert("-------------- Error: res = false ------------------------");
+ }
+
+ Config.firstLaunch = true;
+ Main.changeState(4);
+ }
+};
+
+
+Config.getXmlValue = function (itm) {
+ var val = this.xmlDocument.getElementsByTagName(itm);
+ var res = 0;
+ try {
+ res = val[0].firstChild.data;
+ }
+ catch (e) {
+ Main.log("parsing widget.conf: Item= " + itm + " not found" + e);
+ alert ("parsing widget.conf: Item= " + itm + " not found e= " + e);
+ }
+ return res;
+
+};
+
+Config.getXmlString = function (itm) {
+ var val = this.xmlDocument.getElementsByTagName(itm);
+
+ var res = "";
+ try {
+ res = val[0].firstChild.data;
+ }
+ catch (e) {
+ Main.log("parsing widget.conf: Item= " + itm + " not found" + e);
+ alert ("parsing widget.conf: Item= " + itm + " not found e= " + e);
+ };
+
+ return res;
+};
+
+Config.processConfig = function () {
+ if (this.XHRObj.status != 200) {
+ alert ("Config Server Error");
+ Display.showPopup("Config Server Error " + this.XHRObj.status);
+ Main.log("Config Server Error " + this.XHRObj.status);
+ }
+ else {
+ var xmlResponse = this.XHRObj.responseXML;
+ if (xmlResponse == null) {
+ alert ("xml error");
+ Display.showPopup("Error in XML Config File");
+ return;
+ }
+ this.xmlDocument = xmlResponse.documentElement;
+ if (!this.xmlDocument ) {
+ alert("Failed to get valid Config XML");
+ Display.showPopup("Failed to get valid Config XML");
+ return;
+ }
+ else {
+ alert ("Paring config XML now");
+ this.format = Config.getXmlString("format");
+ var res = Config.getXmlValue("tgtBufferBitrate");
+ if (res != 0)
+ this.tgtBufferBitrate = 1.0 * res;
+ res = Config.getXmlValue("totalBufferDuration");
+ if (res != 0) this.totalBufferDuration = 1.0 * res;
+
+ res= Config.getXmlValue("initialBuffer");
+ if (res != 0) this.initialBuffer = 1.0 * res;
+
+ res = Config.getXmlValue("pendingBuffer");
+ if (res != 0) this.pendingBuffer = 1.0 * res;
+
+ res = Config.getXmlValue("skipDuration");
+ if (res != 0) this.skipDuration= 1.0 * res;
+
+ res = Config.getXmlValue("initialTimeOut");
+ if (res != 0) this.initialTimeOut = 1.0 * res;
+
+ res = Config.getXmlValue("liveChannels");
+ if (res != 0) noLiveChannels = res;
+
+ alert("**** Config ****");
+ alert("serverUrl= " + Config.serverUrl);
+ alert("format= " + Config.format);
+ alert("tgtBufferBitrate= " + Config.tgtBufferBitrate);
+ alert("totalBufferDuration= " + Config.totalBufferDuration);
+ alert("initialBuffer= " + Config.initialBuffer);
+ alert("pendingBuffer= " + Config.pendingBuffer);
+ alert("skipDuration= " + Config.skipDuration);
+ alert("initialTimeOut= " + Config.initialTimeOut);
+ alert("**** /Config ****");
+ };
+
+ };
+
+ Main.init();
+};
+
+// This function cleans up after un-installation
+Config.reset = function () {
+ var fileSystemObj = new FileSystem();
+ fileSystemObj.deleteCommonFile(curWidget.id + "/config.dta");
+};
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