this.twoPagePopUp = null;
this.leafEdgeTmp = null;
this.embedPopup = null;
- this.printPopup = null;
+ this.popup = null;
this.searchTerm = '';
this.searchResults = {};
};
// Text-to-Speech params
- this.ttsPosition = -1;
+ this.ttsIndex = null; //leaf index
+ this.ttsPosition = -1; //chunk (paragraph) number
+
return this;
};
BookReader.prototype.ttsStart = function () {
console.log('starting readAloud');
var url = 'http://'+this.server+'/BookReader/BookReaderGetTextWrapper.php?path='+this.bookPath+'_djvu.xml&page='+this.currentIndex();
- console.log('url is ' + url);
- $.ajax({url:url, dataType:'jsonp'});
+ this.ttsIndex = this.currentIndex();
+ $.ajax({url:url, dataType:'jsonp', jsonpCallback:'ttsStartCB'});
+}
+
+// ttsGetText()
+//______________________________________________________________________________
+BookReader.prototype.ttsGetText = function(index, callback) {
+ var url = 'http://'+this.server+'/BookReader/BookReaderGetTextWrapper.php?path='+this.bookPath+'_djvu.xml&page='+index;
+ $.ajax({url:url, dataType:'jsonp', jsonpCallback:callback});
}
-// ttsGetTextCB(): text-to-speech callback
+// ttsStartCB(): text-to-speech callback
//______________________________________________________________________________
-BookReader.prototype.ttsGetTextCB = function (data) {
- console.log('ttsGetTextCB got data:');
+BookReader.prototype.ttsStartCB = function (data) {
+ console.log('ttsStartCB got data:');
console.log(data);
this.ttsChunks = data;
this.ttsHilites = [];
//$.ajax({url:'http://'+this.ttsServer+'/renderAudio.py', data:{string:data[0][0], format:'ogg'}, dataType:'json'});
- this.ttsPosition = -1;
+ this.ttsShowPopup();
+
+ this.ttsPosition = -1;
var snd = soundManager.createSound({
- id: 'chunk0',
+ id: 'chunk'+this.ttsIndex+'-0',
//url: 'http://home.us.archive.org/~rkumar/arctic.ogg',
url: 'http://home.us.archive.org/~rkumar/getOgg.php?string=' + escape(data[0][0]) + '&f=.ogg', //the .ogg is to trick SoundManager2 to use the HTML5 audio player
- autoLoad: true
+ whileloading: function(){if (this.bytesLoaded == this.bytesTotal) {$(br.popup).remove(); br.popup=null;}} //onload never fires...
});
snd.br = this;
snd.load();
+
this.ttsNextChunk();
}
+// ttsShowPopup
+//______________________________________________________________________________
+BookReader.prototype.ttsShowPopup = function() {
+ this.popup = document.createElement("div");
+ $(this.popup).css({
+ position: 'absolute',
+ top: '20%',
+ left: ($('#BRcontainer').attr('clientWidth')-600)/2 + 'px',
+ width: '600px',
+ padding: "20px",
+ border: "3px double #999999",
+ zIndex: 3,
+ backgroundColor: "#f00",
+ color: "#fff",
+ fontSize: '1.875em'
+ }).appendTo('#BookReader');
+
+ htmlStr = '<p style="text-align:center;"><b>Ever wanted to wait while audio loads?</b><br/>';
+ htmlStr += "It's OK. We all do.</p>";
+
+ this.popup.innerHTML = htmlStr;
+}
+
+// ttsNextPageCB
+//______________________________________________________________________________
+BookReader.prototype.ttsNextPageCB = function (data) {
+ this.ttsNextChunks = data;
+ console.log('preloaded next chunks.. data is');
+}
+
+// ttsLoadChunk
+//______________________________________________________________________________
+BookReader.prototype.ttsLoadChunk = function (page, pos, string) {
+ var snd = soundManager.createSound({
+ id: 'chunk'+page+'-'+pos,
+ url: 'http://home.us.archive.org/~rkumar/getOgg.php?string=' + escape(string) + '&f=.ogg' //the .ogg is to trick SoundManager2 to use the HTML5 audio player
+ });
+ snd.br = this;
+ snd.load()
+}
+
+
// ttsNextChunk()
//______________________________________________________________________________
BookReader.prototype.ttsNextChunk = function () {
console.log(this);
console.log(this.ttsPosition);
+
+ if (-1 != this.ttsPosition) {
+ soundManager.destroySound('chunk'+this.ttsIndex+'-'+this.ttsPosition);
+ }
+
this.ttsPosition++;
console.log('next chunk is ');
- console.log(this.ttsPosition);
+ console.log(this.ttsPosition);
if (this.ttsPosition >= this.ttsChunks.length) {
- console.log('tts stop');
- return;
+
+ if (this.ttsIndex == (this.numLeafs-1)) {
+ console.log('tts stop');
+ return;
+ } else {
+ if (null != this.ttsNextChunks) {
+ console.log('moving to next page!');
+ this.ttsIndex++;
+ this.ttsPosition = 0;
+ this.ttsChunks = this.ttsNextChunks;
+ this.ttsNextChunks = null;
+ } else {
+ console.log('ttsNextChunks is null');
+ return;
+ }
+ }
}
+ //prefetch next page of text
+ if (0 == this.ttsPosition) {
+ if (this.ttsIndex<(this.numLeafs-1)) {
+ this.ttsGetText(this.ttsIndex+1, 'ttsNextPageCB');
+ }
+ }
+
var chunk = this.ttsChunks[this.ttsPosition];
+ console.log('position = ' + this.ttsPosition);
+ console.log('chunk = ' + chunk);
+ console.log(this.ttsChunks);
//remove old hilights
$(this.ttsHilites).remove();
this.ttsHilites = [];
+ //add new hilights
if (2 == this.mode) {
this.ttsHilite2UP(chunk);
} else {
//preload next chunk
var nextPos = this.ttsPosition+1;
- if (nextPos < this.ttsChunks.length) {
- var snd = soundManager.createSound({
- id: 'chunk'+nextPos,
- url: 'http://home.us.archive.org/~rkumar/getOgg.php?string=' + escape(this.ttsChunks[nextPos][0]) + '&f=.ogg', //the .ogg is to trick SoundManager2 to use the HTML5 audio player
- //url: 'http://home.us.archive.org/~rkumar/arctic.ogg',
- autoload: true
- });
- snd.br = this;
- snd.load()
- }
+ if (nextPos < this.ttsChunks.length) {
+ this.ttsLoadChunk(this.ttsIndex, nextPos, this.ttsChunks[nextPos][0]);
+ } else {
+ this.ttsLoadChunk(this.ttsIndex+1, 0, this.ttsNextChunks[0][0]);
+ }
//play current chunk
- var self = this;
- var foo = function() {console.log(this.br); br.ttsNextChunk();}
- soundManager.play('chunk'+this.ttsPosition,{onfinish:foo});
+ soundManager.play('chunk'+this.ttsIndex+'-'+this.ttsPosition,{onfinish:function(){br.ttsNextChunk();}});
}
var div = document.createElement('div');
this.ttsHilites.push(div);
$(div).attr('className', 'BookReaderSearchHilite').css('zIndex', 3).appendTo('#BRtwopageview');
- this.setHilightCss2UP(div, this.currentIndex(), l, r, t, b);
+ this.setHilightCss2UP(div, this.ttsIndex, l, r, t, b);
}
}
projects / bookreader.git / commitdiff