Review text extraction

CHANGES.rst

@@ -4,7 +4,8 @@ Changelog
 1.0b2 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Review text extraction.
+  [rodfersou]
 
 
 1.0b1 (2016-06-14)

src/collective/texttospeech/static/main.js

@@ -26,6 +26,23 @@ var MainView = (function() {
     this.paused = true;
     this.$button.attr('value', this.label_stopped);
   };
+  MainView.prototype.extract_text = function() {
+    var i, len, ref, results, paragraph;
+    // get title, description and all paragraphs
+    ref = $('#content .documentFirstHeading, #content .documentDescription, #content p');
+    results = [];
+    for (i = 0, len = ref.length; i < len; i++) {
+      // take out blank spaces
+      paragraph = $(ref[i]).text().replace(/\s+/g, ' ').trim();
+      // ignore empty lines
+      if (paragraph.length > 0) {
+        // take out ending periods
+        results.push(paragraph.replace(/\.$/, ''));
+      }
+    }
+    // add again ending periods
+    return results.join('. ');
+  };
   MainView.prototype.play_pause = function(e) {
     e.preventDefault();
     if (this.playing) {
@@ -40,8 +57,7 @@ var MainView = (function() {
       }
     } else {
       responsiveVoice.speak(
-        // remove spaces to avoid issues with some Firefox versions
-        $('#content').text().replace(/\s+/g, ' ').trim(),
+        this.extract_text(),
         this.voice, {
           onstart: $.proxy(this.onstart, this),
           onend: $.proxy(this.onend, this)