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HTT-contentscript.js
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HTT-contentscript.js
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(function() {
//globals
var HTTtimeoutID;
var HTTelem;
var HTTcurX;
var HTTcurY;
var HTTtooltip;
var HTTdefinitions = ""; //translation output
var HTToptions;
//helper functions
function appendChild(child,parent){return(parent.insertBefore(child,parent.lastChild.nextSibling));}
function HTTshowToolTip() {
if(HTTdefinitions.length) {
var minX, minY, maxX, maxY, ttX, ttY;
HTTtooltip.style.width = "auto";
HTTtooltip.style.height = "auto";
HTTtooltip.innerHTML = HTTdefinitions;
HTTtooltip.firstChild.style.marginTop = "0";
HTTtooltip.firstChild.style.marginRight = "0";
HTTtooltip.firstChild.style.marginBottom = "0";
HTTtooltip.firstChild.style.marginLeft = "0";
ttX = HTTcurX;// + window.scrollX;
ttY = HTTcurY;// + window.scrollY;
if(HTToptions['align_left']) {
ttX += 10;
} else {
ttX -= HTTtooltip.scrollWidth + 10;
}
if(HTToptions['align_top']) {
ttY += 10;
} else {
ttY -= HTTtooltip.scrollHeight + 10;
}
minX = 0;//window.scrollX;
minY = 0;//window.scrollY;
maxX = minX + window.innerWidth - HTTtooltip.scrollWidth;
maxY = minY + window.innerHeight - HTTtooltip.scrollHeight;
if(HTToptions['keep_on_screen']) {
if(ttX < minX)
ttX = minX;
else if(ttX > maxX)
ttX = maxX;
if(ttY < minY)
ttY = minY;
else if(ttY > maxY)
ttY = maxY;
}
HTTtooltip.style.left = ttX + "px";
HTTtooltip.style.top = ttY + "px";
HTTtooltip.style.visibility="visible";
}
}
function HTTparseResponse(responseText) {
HTThide(true);
if(responseText == null) return; //quit if we didn't get anything
var tempDiv = document.createElement('div');
tempDiv.innerHTML = responseText.replace(/<script(.|\s)*?\/script>/gi, '').replace(/src="[^"]*"/gi, '');
var translations_e2h = tempDiv.getElementsByClassName("Translation_content_enTohe");
var results = new Array();
var rtl = 0; //count how many of each type
for(var i = 0; i < translations_e2h.length; i++) {
try {
var new_result = new Object;
new_result['word'] = translations_e2h[i].getElementsByClassName("Translation_spTop_enTohe")[0].innerText.trim();
new_result['partOfSpeech'] = translations_e2h[i].getElementsByClassName("Translation_sp2Top_enTohe")[0].innerText.trim();
new_result['definition'] = translations_e2h[i].getElementsByClassName('normal_translation_div')[0].innerText.trim();
new_result['rtl'] = 0;
rtl--;
results.push(new_result);
} catch (e) {
console.error("HTT can't parse Hebrew to English: " + e);
}
}
var translations_h2e = tempDiv.getElementsByClassName("Translation_content_heToen");
for(var i = 0; i < translations_h2e.length; i++) {
try {
var new_result = new Object;
new_result['word'] = translations_h2e[i].getElementsByClassName("Translation_spTop_heToen")[0].innerText.trim();
new_result['partOfSpeech'] = translations_h2e[i].getElementsByClassName("Translation_sp2Top_heToen")[0].innerText.trim();
new_result['definition'] = translations_h2e[i].getElementsByClassName('normal_translation_div')[0].innerText.trim();
new_result['rtl'] = 1;
rtl++;
results.push(new_result);
} catch (e) {
console.error("HTT can't parse English to Hebrew: " + e);
}
}
tempDiv = null;
if(results.length > 0) {
var rtl = (rtl > 0); //map to either 0 or 1
HTTdefinitions = "";
HTTdefinitions += "<table class='HTT " + (rtl?"HTTHebrew":"HTTEnglish") + "' dir=\"\"><tbody class='HTT " + (rtl?"HTTHebrew":"HTTEnglish") + "' dir=\"\">\n";
for(var i = 0; i < results.length; i++) {
HTTdefinitions += "<tr class='HTT'>";
HTTdefinitions += "<td class='HTT HTTWord " + (results[i].rtl?"HTTHebrew":"HTTEnglish") + "'>" + results[i].word + "</td>\n";
HTTdefinitions += "<td class='HTT HTTPartOfSpeech " + (results[i].rtl?"HTTHebrew":"HTTEnglish") + "'>" + results[i].partOfSpeech + "</td>\n";
HTTdefinitions += "<td class='HTT HTTDefinition " + (!results[i].rtl?"HTTHebrew":"HTTEnglish") + "'>" + results[i].definition + "</td>";
HTTdefinitions += "</tr>\n";
}
HTTdefinitions += "</tbody></table>";
HTTshowToolTip();
}
}
function HTTtranslateWord(input) {
if(input != '') {
if(HTToptions['activity_indicator']) {
HTTtooltip.style.width = "auto";
HTTtooltip.style.height = "auto";
HTTtooltip.innerHTML = "<span class='HTT HTTActivityIndicator'>HTT...</span>"
ttX = HTTcurX;
ttY = HTTcurY;
if(HTToptions['align_left']) {
ttX += 10;
} else {
ttX -= HTTtooltip.scrollWidth + 10;
}
if(HTToptions['align_top']) {
ttY += 10;
} else {
ttY -= HTTtooltip.scrollHeight + 10;
}
minX = 0;
minY = 0;
maxX = minX + window.innerWidth - HTTtooltip.scrollWidth;
maxY = minY + window.innerHeight - HTTtooltip.scrollHeight;
if(HTToptions['keep_on_screen']) {
if(ttX < minX)
ttX = minX;
else if(ttX > maxX)
ttX = maxX;
if(ttY < minY)
ttY = minY;
else if(ttY > maxY)
ttY = maxY;
}
HTTtooltip.style.left = ttX + "px";
HTTtooltip.style.top = ttY + "px";
HTTtooltip.style.visibility="visible";
}
var HTTreq;
chrome.extension.sendRequest({'action' : 'xhr', 'url' : 'http://www.morfix.co.il/' + encodeURIComponent(input)}, HTTparseResponse);
}
}
function getStringOffsetFromPointHelper(elem, x, y, range, start, end) {
if (start >= end) {
return null;
}
// At this point, start < end.
var mid = Math.round((start+end)/2);
range.setStart(elem, start);
range.setEnd(elem, mid);
var result0 = null;
if (range.getBoundingClientRect() &&
range.getBoundingClientRect().left <= x && range.getBoundingClientRect().right >= x &&
range.getBoundingClientRect().top <= y && range.getBoundingClientRect().bottom >= y) {
if (start + 1 == mid) {
// Found it.
return {'offset' : start, 'text_node' : elem};
} else {
// Need to recurse on this section.
result0 = getStringOffsetFromPointHelper(elem, x, y, range, start, mid);
}
}
range.setStart(elem, mid);
range.setEnd(elem, end);
var result1 = null;
if (range.getBoundingClientRect() &&
range.getBoundingClientRect().left <= x && range.getBoundingClientRect().right >= x &&
range.getBoundingClientRect().top <= y && range.getBoundingClientRect().bottom >= y) {
if (mid + 1 == end) {
// Found it.
return {'offset' : start, 'text_node' : elem};
} else {
// Need to recurse on this section.
result1 = getStringOffsetFromPointHelper(elem, x, y, range, mid, end);
}
}
return result0 || result1; // At most 1 should be valid.
}
function getStringOffsetFromPoint(elem, x, y) {
try {
if(elem.nodeType == elem.TEXT_NODE) {
var range = elem.ownerDocument.createRange();
range.selectNodeContents(elem);
var str = range.toString();
// Binary search on both halves that report true.
var result = getStringOffsetFromPointHelper(elem, x, y, range, 0, range.endOffset);
range.detach();
return({'string' : str,
'offset' : result['offset'],
'text_node' : result['text_node']});
} else {
for(var i = 0; i < elem.childNodes.length; i++) {
var range = elem.childNodes[i].ownerDocument.createRange();
try {
range.selectNodeContents(elem.childNodes[i]);
} catch(err) {
continue;
}
if(range.getBoundingClientRect() &&
range.getBoundingClientRect().left <= x && range.getBoundingClientRect().right >= x &&
range.getBoundingClientRect().top <= y && range.getBoundingClientRect().bottom >= y) {
range.detach();
var ret = getStringOffsetFromPoint(elem.childNodes[i], x, y);
if(ret)
return(ret);
} else {
range.detach();
}
}
}
return(null);
} catch (e) {
return(null);
}
}
function HTTgetWord() {
var text = "";
var str_offset = getStringOffsetFromPoint(HTTelem, HTTcurX, HTTcurY);
if(str_offset) {
var range = window.getSelection();
if(range && //there is a range
range.toString != "" && //there is text selected
range.anchorNode == range.focusNode && //it's just a single node
str_offset.text_node == range.anchorNode && //it's the same node as the one under the cursor
((range.baseOffset < range.focusOffset && range.baseOffset <= str_offset.offset && str_offset.offset <= range.focusOffset) || //offset is inside the selected region
(range.focusOffset < range.baseOffset && range.focusOffset <= str_offset.offset && str_offset.offset <= range.baseOffset))) {
text = range.toString();
} else {
var str = str_offset.string;
var start = str_offset.offset;
var end = start + 1;
var valid_word = /^((\w)+|([\u0590-\u05ff\"\']+))$/;
if(!valid_word.test(str.substring(start, end)))
return null;
while(start > 0 && valid_word.test(str.substring(start - 1, end)))
start--;
while(end < str.length && valid_word.test(str.substring(start, end+1)))
end++;
text = str.substring(start, end);
}
}
HTTtranslateWord(text);
}
function HTThide(force) {
if(HTTtimeoutID || force) {
HTTdefinitions = "";
HTTtooltip.style.visibility = "hidden";
HTTtooltip.innerHTML = HTTdefinitions;
HTTtooltip.style.left = 0 + "px";
HTTtooltip.style.top = 0 + "px";
HTTtooltip.style.width = 0 + "px";
HTTtooltip.style.height = 0 + "px";
window.clearTimeout(HTTtimeoutID);
HTTtimeoutID = 0;
}
}
function HTTmousescroll(event) {
var e = event;
//variables for use in displaying the translation
HTTelem = e.target;
HTTcurX = e.clientX;
HTTcurY = e.clientY;
//GM_log("got click");
if(HTToptions['hide_scroll'])
HTThide(true); //hide the old one if there is one
if(HTToptions['trigger_hover'])
HTTtimeoutID = window.setTimeout(HTTgetWord, HTToptions['HTTtooltipDelay']);
return;
}
function HTTkeypress(event) {
var e = event;
//GM_log("got keypress");
if(HTToptions['hide_keyboard'])
HTThide(true); //hide the old one if there is one
var keynum;
var keychar;
var numcheck;
var text;
if(window.event) // IE
keynum = e.keyCode;
else if(e.which) // Netscape/Firefox/Opera
keynum = e.which;
keychar = String.fromCharCode(keynum);
//GM_log("keychar is " + keychar);
if(HTToptions['trigger_keyboard'] &&
(HTToptions['HTTtooltipCharacter'] == '' || HTToptions['HTTtooltipCharacter'].indexOf(keychar) >= 0) &&
(HTToptions['trigger_keyboard_ctrl'] == e.ctrlKey) &&
(HTToptions['trigger_keyboard_alt'] == e.altKey) &&
(HTToptions['trigger_keyboard_shift'] == e.shiftKey)) {
//GM_log("match");
if(window.getSelection() != '') {
//GM_log("translating phrase " + window.getSelection());
HTTtranslateWord(window.getSelection());
} else {
HTTgetWord(); //get the word under the cursor right now and translate it
}
}
return;
}
function HTTmouseup(event) {
var e = event;
HTTcurX=e.clientX;
HTTcurY=e.clientY;
//GM_log("got mouseup " + window.getSelection());
//HTThide(true); //hide the old one if there is one
//variables for use in displaying the translation
//GM_log("try to translate " + window.getSelection());
if(window.getSelection() != '' &&
HTToptions['trigger_highlight'] &&
(HTToptions['trigger_highlight_ctrl'] == e.ctrlKey) &&
(HTToptions['trigger_highlight_alt'] == e.altKey) &&
(HTToptions['trigger_highlight_shift'] == e.shiftKey))
HTTtranslateWord(window.getSelection());
return;
}
function HTTclick(event) {
var e = event;
//click is used by many handlers, mostly to hide the tooltip
//variables for use in displaying the translation
HTTelem = e.target;
HTTcurX = e.clientX;
HTTcurY = e.clientY;
//GM_log("got click");
if(HTToptions['hide_click'])
HTThide(true); //hide the old one if there is one
if(HTToptions['trigger_click'] &&
(HTToptions['trigger_click_ctrl'] == e.ctrlKey) &&
(HTToptions['trigger_click_alt'] == e.altKey) &&
(HTToptions['trigger_click_shift'] == e.shiftKey))
HTTgetWord(); //get the word under the cursor right now
return;
}
function HTTmousemove(event) {
var e = event;
if(HTTelem == e.target && HTTcurX == e.clientX && HTTcurY == e.clientY)
return; //already got this mousemove so ignore it
//variables for use in finding the word and displaying the translation
HTTelem = e.target;
HTTcurX = e.clientX;
HTTcurY = e.clientY;
if(HTToptions['hide_move'])
HTThide(true);
if(HTToptions['trigger_hover'])
HTTtimeoutID = window.setTimeout(HTTgetWord, HTToptions['HTTtooltipDelay']);
return;
}
function HTTinit () {
chrome.extension.sendRequest({'action' : 'localStorage_get', 'attribute' : 'options'}, HTToptions_callback);
//don't continue until the callback completes
}
function HTToptions_callback(options) {
//below copied from HTT-options.html
if (!options) {
options = {};
}
if(options['trigger_hover'] == undefined) options['trigger_hover'] = 1;
if(options['HTTtooltipDelay'] == undefined) options['HTTtooltipDelay'] = 1000;
if(options['trigger_click'] == undefined) options['trigger_click'] = 0;
if(options['trigger_click_ctrl'] == undefined) options['trigger_click_ctrl'] = 0;
if(options['trigger_click_alt'] == undefined) options['trigger_click_alt'] = 0;
if(options['trigger_click_shift'] == undefined) options['trigger_click_shift'] = 0;
if(options['trigger_highlight'] == undefined) options['trigger_highlight'] = 0;
if(options['trigger_highlight_ctrl'] == undefined) options['trigger_highlight_ctrl'] = 0;
if(options['trigger_highlight_alt'] == undefined) options['trigger_highlight_alt'] = 0;
if(options['trigger_highlight_shift'] == undefined) options['trigger_highlight_shift'] = 0;
if(options['trigger_keyboard'] == undefined) options['trigger_keyboard'] = 0;
if(options['trigger_keyboard_ctrl'] == undefined) options['trigger_keyboard_ctrl'] = 0;
if(options['trigger_keyboard_alt'] == undefined) options['trigger_keyboard_alt'] = 0;
if(options['trigger_keyboard_shift'] == undefined) options['trigger_keyboard_shift'] = 0;
if(options['HTTtooltipCharacter'] == undefined) options['HTTtooltipCharacter'] = 'T';
if(options['hide_move'] == undefined) options['hide_move'] = 1;
if(options['hide_click'] == undefined) options['hide_click'] = 1;
if(options['hide_scroll'] == undefined) options['hide_scroll'] = 1;
if(options['hide_keyboard'] == undefined) options['hide_keyboard'] = 1;
if(options['align_top'] == undefined) options['align_top'] = 1;
if(options['align_left'] == undefined) options['align_left'] = 1;
if(options['keep_on_screen'] == undefined) options['keep_on_screen'] = 1;
if(options['activity_indicator'] == undefined) options['activity_indicator'] = 1;
HTToptions = options;
if(HTToptions['trigger_hover'] || HTToptions['hide_move']) {
window.addEventListener("mousemove", HTTmousemove, false);
}
if(HTToptions['trigger_click'] || HTToptions['hide_click']) {
window.addEventListener("click", HTTclick, false);
}
if(HTToptions['trigger_highlight']) {
window.addEventListener("mouseup", HTTmouseup, false);
}
if(HTToptions['trigger_keyboard'] || HTToptions['hide_keyboard']) {
window.addEventListener("keypress", HTTkeypress, false);
}
if(HTToptions['trigger_keyboard'] || HTToptions['hide_keyboard']) {
window.addEventListener("keydown", HTTkeypress, false);
}
if(HTToptions['hide_scroll']) {
window.addEventListener("scroll", HTTmousescroll, false);
}
HTTtooltip = document.createElement("div");
HTTtooltip.className = "HTT HTTtooltip"; //for use by users that might do things with stylish
document.body.insertBefore(HTTtooltip, document.body.firstChild);
}
HTTinit();
})();