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rikaicontent.js
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/*
Rikaikun
Copyright (C) 2010 Erek Speed
http://code.google.com/p/rikaikun/
---
Originally based on Rikaichan 1.07
by Jonathan Zarate
http://www.polarcloud.com/
---
Originally based on RikaiXUL 0.4 by Todd Rudick
http://www.rikai.com/
http://rikaixul.mozdev.org/
---
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
---
Please do not change or remove any of the copyrights or links to web pages
when modifying any of the files. - Jon
*/
var rcxContent = {
dictCount: 3,
altView: 0,
sameDict: 0,
forceKanji: 0,
defaultDict: 2,
nextDict: 3,
//Adds the listeners and stuff.
enableTab: function(config) {
if (window.rikaichan == null) {
window.rikaichan = {};
window.addEventListener('mousemove', this.onMouseMove, false);
window.addEventListener('keydown', this.onKeyDown, true);
window.addEventListener('keyup', this.onKeyUp, true);
window.addEventListener('mousedown', this.onMouseDown, false);
window.addEventListener('mouseup', this.onMouseUp, false);
}
window.rikaichan.config = config;
this.altView = config.popupLocation;
},
//Removes the listeners and stuff
disableTab: function() {
if(window.rikaichan != null) {
var e;
window.removeEventListener('mousemove', this.onMouseMove, false);
window.removeEventListener('keydown', this.onKeyDown, true);
window.removeEventListener('keyup', this.onKeyUp, true);
window.removeEventListener('mousedown', this.onMouseDown, false);
window.removeEventListener('mouseup', this.onMouseUp, false);
e = document.getElementById('rikaichan-css');
if (e) e.parentNode.removeChild(e);
e = document.getElementById('rikaichan-window');
if (e) e.parentNode.removeChild(e);
this.clearHi();
delete window.rikaichan;
}
},
getContentType: function(tDoc) {
var m = tDoc.getElementsByTagName('meta');
for(var i in m) {
if(m[i].httpEquiv == 'Content-Type') {
var con = m[i].content;
con = con.split(';');
return con[0];
}
}
return null;
},
showPopup: function(text, elem, x, y, looseWidth) {
topdoc = window.document;
if ((isNaN(x)) || (isNaN(y))) x = y = 0;
var popup = topdoc.getElementById('rikaichan-window');
if (!popup) {
var css = topdoc.createElementNS('http://www.w3.org/1999/xhtml', 'link');
css.setAttribute('rel', 'stylesheet');
css.setAttribute('type', 'text/css');
var color = window.rikaichan.config.popupcolor;
css.setAttribute('href', chrome.extension.getURL('css/popup-' +
color + '.css'));
css.setAttribute('id', 'rikaichan-css');
topdoc.getElementsByTagName('head')[0].appendChild(css);
popup = topdoc.createElementNS('http://www.w3.org/1999/xhtml', 'div');
popup.setAttribute('id', 'rikaichan-window');
topdoc.documentElement.appendChild(popup);
popup.addEventListener('dblclick',
function (ev) {
rcxContent.hidePopup();
ev.stopPropagation();
}, true);
/* if (this.cfg.resizedoc) {
if ((topdoc.body.clientHeight < 1024) && (topdoc.body.style.minHeight == '')) {
topdoc.body.style.minHeight = '1024px';
topdoc.body.style.overflow = 'auto';
}
} */
}
popup.style.width = 'auto';
popup.style.height = 'auto';
popup.style.maxWidth = (looseWidth ? '' : '600px');
if (rcxContent.getContentType(topdoc) == 'text/plain') {
var df = document.createDocumentFragment();
df.appendChild(document.createElementNS('http://www.w3.org/1999/xhtml', 'span'));
df.firstChild.innerHTML = text;
while (popup.firstChild) {
popup.removeChild(popup.firstChild);
}
popup.appendChild(df.firstChild);
}
else {
popup.innerHTML = text;
}
if (elem) {
popup.style.top = '-1000px';
popup.style.left = '0px';
popup.style.display = '';
bbo = window;
var pW = popup.offsetWidth;
var pH = popup.offsetHeight;
// guess!
if (pW <= 0) pW = 200;
if (pH <= 0) {
pH = 0;
var j = 0;
while ((j = text.indexOf('<br/>', j)) != -1) {
j += 5;
pH += 22;
}
pH += 25;
}
if (this.altView == 1) {
x = window.scrollX;
y = window.scrollY;
}
else if (this.altView == 2) {
x = (window.innerWidth - (pW + 20)) + window.scrollX;
y = (window.innerHeight - (pH + 20)) + window.scrollY;
}
// FIXME: This probably doesn't actually work
else if (elem instanceof window.HTMLOptionElement) {
// these things are always on z-top, so go sideways
x = 0;
y = 0;
var p = elem;
while (p) {
x += p.offsetLeft;
y += p.offsetTop;
p = p.offsetParent;
}
if (elem.offsetTop > elem.parentNode.clientHeight) y -= elem.offsetTop;
if ((x + popup.offsetWidth) > window.innerWidth) {
// too much to the right, go left
x -= popup.offsetWidth + 5;
if (x < 0) x = 0;
}
else {
// use SELECT's width
x += elem.parentNode.offsetWidth + 5;
}
/*
// in some cases (ex: google.co.jp), ebo doesn't add the width of the scroller (?), so use SELECT's width
const epbo = elem.ownerDocument.getBoxObjectFor(elem.parentNode);
const ebo = elem.ownerDocument.getBoxObjectFor(elem);
x = ebo.screenX - bbo.screenX;
y = ebo.screenY - bbo.screenY;
if (x > (window.innerWidth - (x + epbo.width))) {
x = (x - popup.offsetWidth - 5);
if (x < 0) x = 0;
}
else {
x += epbo.width + 5;
}
*/
}
else {
//x -= bbo.screenX;
//y -= bbo.screenY;
// go left if necessary
if ((x + pW) > (window.innerWidth - 20)) {
x = (window.innerWidth - pW) - 20;
if (x < 0) x = 0;
}
// below the mouse
var v = 25;
// under the popup title
if ((elem.title) && (elem.title != '')) v += 20;
// go up if necessary
if ((y + v + pH) > window.innerHeight) {
var t = y - pH - 30;
if (t >= 0) {
y = t;
} else {
// if can't go up, still go down to prevent blocking cursor
y += v;
}
}
else y += v;
x += window.scrollX;
y += window.scrollY;
}
}
else {
x += window.scrollX;
y += window.scrollY;
}
popup.style.left = x + 'px';
popup.style.top = y + 'px';
popup.style.display = '';
},
hidePopup: function() {
var popup = document.getElementById('rikaichan-window');
if (popup) {
popup.style.display = 'none';
popup.innerHTML = '';
}
this.title = null;
},
isVisible: function() {
var popup = document.getElementById('rikaichan-window');
return (popup) && (popup.style.display != 'none');
},
clearHi: function() {
var tdata = window.rikaichan;
if ((!tdata) || (!tdata.prevSelView)) return;
if (tdata.prevSelView.closed) {
tdata.prevSelView = null;
return;
}
var sel = tdata.prevSelView.getSelection();
// If there is an empty selection or the selection was done by
// rikaikun then we'll clear it
if ((!sel.toString()) || (tdata.selText == sel.toString())) {
// In the case of no selection we clear the oldTA
// The reason for this is becasue if there's no selection
// we probably clicked somewhere else and we don't want to
// bounce back.
if(!sel.toString())
tdata.oldTA = null;
// clear all selections
sel.removeAllRanges();
//Text area stuff
// If oldTA is still around that means we had a highlighted region
// which we just cleared and now we're going to jump back to where we were
// the cursor was before our lookup
// if oldCaret is less than 0 it means we clicked outside the box and shouldn't
// come back
if(tdata.oldTA && tdata.oldCaret >= 0) {
tdata.oldTA.selectionStart = tdata.oldTA.selectionEnd = tdata.oldCaret;
}
}
tdata.prevSelView = null;
tdata.kanjiChar = null;
tdata.selText = null;
},
// Array used for storing the last popup content shown, useful for easily
// operating on the value after rendering (for copying for example).
lastFound: null,
configPage: function() {
window.openDialog('chrome://rikaichan/content/prefs.xul', '', 'chrome,centerscreen');
},
keysDown: [],
lastPos: { x: null, y: null},
lastTarget: null,
onKeyDown: function(ev) { rcxContent._onKeyDown(ev) },
_onKeyDown: function(ev) {
// this.status("keyCode=" + ev.keyCode + ' charCode=' + ev.charCode + ' detail=' + ev.detail);
if (window.rikaichan.config.showOnKey !== "" && (ev.altKey || ev.ctrlKey || ev.key == "AltGraph")) {
if (this.lastTarget !== null) {
//console.log(ev);
var myEv = {
clientX: this.lastPos.x,
clientY: this.lastPos.y,
target: this.lastTarget,
altKey: ev.altKey || ev.key == "AltGraph",
ctrlKey: ev.ctrlKey,
shiftKey: ev.shiftKey,
noDelay: true
};
this.tryUpdatePopup(myEv);
}
return;
}
if ((ev.shiftKey) && (ev.keyCode != 16)) return;
if (this.keysDown[ev.keyCode]) return;
if (!this.isVisible()) return;
if (window.rikaichan.config.disablekeys && (ev.keyCode != 16)) return;
var i;
var shouldPreventDefault = true;
var maxDictEntries = window.rikaichan.config.maxDictEntries;
switch (ev.keyCode) {
case 16: // shift
case 13: // enter
//this.showMode = (this.showMode + 1) % this.dictCount;
//chrome.extension.sendMessage({"type":"nextDict"});
this.show(ev.currentTarget.rikaichan, this.nextDict);
break;
case 74: // j
// reverse cycle through definitions if > max (maxDictEntries)
e = this.lastFound[0];
if (e.data.length < maxDictEntries)
break;
if (!e.index) {
e.index = 0;
}
if (e.index > 0) {
e.index -= 1;
} else {
e.index = e.data.length - maxDictEntries;
}
chrome.extension.sendMessage({"type":"makehtml", "entry":e}, rcxContent.processHtml);
this.lastFound = [e];
break;
case 75: // k
// forward cycle through definitions if > max (maxDictEntries)
e = this.lastFound[0];
if (e.data.length < maxDictEntries) {
break;
}
if (!e.index) {
e.index = 0;
}
if (e.index >= (e.data.length - maxDictEntries)) {
e.index = 0;
} else {
e.index += 1;
}
chrome.extension.sendMessage({"type":"makehtml", "entry":e}, rcxContent.processHtml);
this.lastFound = [e];
break;
case 27: // esc
this.hidePopup();
this.clearHi();
break;
case 65: // a
this.altView = (this.altView + 1) % 3;
this.show(ev.currentTarget.rikaichan, this.sameDict);
break;
case 67: // c
if (ev.ctrlKey) {
shouldPreventDefault = false;
} else {
chrome.extension.sendMessage({"type":"copyToClip", "entry":rcxContent.lastFound});
}
break;
case 66: // b
var ofs = ev.currentTarget.rikaichan.uofs;
for (i = 50; i > 0; --i) {
ev.currentTarget.rikaichan.uofs = --ofs;
//chrome.extension.sendMessage({"type":"resetDict"});
//this.showMode = 0;
if (this.show(ev.currentTarget.rikaichan, this.defaultDict) >= 0) {
if (ofs >= ev.currentTarget.rikaichan.uofs) break; // ! change later
}
}
break;
case 68: // d
chrome.extension.sendMessage({"type":"switchOnlyReading"});
this.show(ev.currentTarget.rikaichan, this.sameDict);
break;
case 77: // m
ev.currentTarget.rikaichan.uofsNext = 1;
case 78: // n
for (i = 50; i > 0; --i) {
ev.currentTarget.rikaichan.uofs += ev.currentTarget.rikaichan.uofsNext;
//chrome.extension.sendMessage({"type":"resetDict"});
//this.showMode = 0;
if (this.show(ev.currentTarget.rikaichan, this.defaultDict) >= 0) break;
}
break;
case 89: // y
this.altView = 0;
ev.currentTarget.rikaichan.popY += 20;
this.show(ev.currentTarget.rikaichan, this.sameDict);
break;
default:
return;
}
this.keysDown[ev.keyCode] = 1;
// don't eat shift if in this mode
if (shouldPreventDefault) {
ev.preventDefault();
}
},
mDown: false,
onMouseDown: function(ev) { rcxContent._onMouseDown(ev) },
_onMouseDown: function(ev) {
if(ev.button != 0)
return;
if(this.isVisible())
this.clearHi();
mDown = true;
// If we click outside of a text box then we set
// oldCaret to -1 as an indicator not to restore position
// Otherwise, we switch our saved textarea to whereever
// we just clicked
if(!('form' in ev.target))
window.rikaichan.oldCaret = -1;
else
window.rikaichan.oldTA = ev.target;
},
onMouseUp: function(ev) { rcxContent._onMouseUp(ev) },
_onMouseUp: function(ev) {
if(ev.button != 0)
return;
mDown = false;
},
onKeyUp: function(ev) {
if (rcxContent.keysDown[ev.keyCode]) rcxContent.keysDown[ev.keyCode] = 0;
},
unicodeInfo: function(c) {
hex = '0123456789ABCDEF';
u = c.charCodeAt(0);
return c + ' U' + hex[(u >>> 12) & 15] + hex[(u >>> 8) & 15] + hex[(u >>> 4) & 15] + hex[u & 15];
},
kanjiN: 1,
namesN: 2,
inlineNames: {
// text node
'#text': true,
// font style
'FONT': true,
'TT': true,
'I' : true,
'B' : true,
'BIG' : true,
'SMALL' : true,
//deprecated
'STRIKE': true,
'S': true,
'U': true,
// phrase
'EM': true,
'STRONG': true,
'DFN': true,
'CODE': true,
'SAMP': true,
'KBD': true,
'VAR': true,
'CITE': true,
'ABBR': true,
'ACRONYM': true,
// special, not included IMG, OBJECT, BR, SCRIPT, MAP, BDO
'A': true,
'Q': true,
'SUB': true,
'SUP': true,
'SPAN': true,
'WBR': true,
// ruby
'RUBY': true,
'RBC': true,
'RTC': true,
'RB': true,
'RT': true,
'RP': true
},
isInline: function(node) {
return this.inlineNames.hasOwnProperty(node.nodeName) ||
// only check styles for elements
// comments do not have getComputedStyle method
(document.nodeType == Node.ELEMENT_NODE &&
(document.defaultView.getComputedStyle(node,null).getPropertyValue('display') == 'inline' ||
document.defaultView.getComputedStyle(node,null).getPropertyValue('display') == 'inline-block')
);
},
// XPath expression which evaluates to text nodes
// tells rikaichan which text to translate
// expression to get all text nodes that are not in (RP or RT) elements
textNodeExpr: 'descendant-or-self::text()[not(parent::rp) and not(ancestor::rt)]',
// XPath expression which evaluates to a boolean. If it evaluates to true
// then rikaichan will not start looking for text in this text node
// ignore text in RT elements
startElementExpr: 'boolean(parent::rp or ancestor::rt)',
// Gets text from a node
// returns a string
// node: a node
// selEnd: the selection end object will be changed as a side effect
// maxLength: the maximum length of returned string
// xpathExpr: an XPath expression, which evaluates to text nodes, will be evaluated
// relative to "node" argument
getInlineText: function (node, selEndList, maxLength, xpathExpr) {
var text = '';
var endIndex;
if (node.nodeName == '#text') {
endIndex = Math.min(maxLength, node.data.length);
selEndList.push({node: node, offset: endIndex});
return node.data.substring(0, endIndex);
}
var result = xpathExpr.evaluate(node, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
while ((text.length < maxLength) && (node = result.iterateNext())) {
endIndex = Math.min(node.data.length, maxLength - text.length);
text += node.data.substring(0, endIndex);
selEndList.push( {node: node, offset: endIndex} );
}
return text;
},
// given a node which must not be null,
// returns either the next sibling or next sibling of the father or
// next sibling of the fathers father and so on or null
getNext: function(node) {
var nextNode;
if ((nextNode = node.nextSibling) != null)
return nextNode
if (((nextNode = node.parentNode) != null) && this.isInline(nextNode))
return this.getNext(nextNode);
return null;
},
getTextFromRange: function (rangeParent, offset, selEndList, maxLength) {
if(rangeParent.nodeName == 'TEXTAREA' || rangeParent.nodeName == 'INPUT') {
var endIndex = Math.min(rangeParent.data.length, offset + maxLength);
return rangeParent.value.substring(offset, endIndex);
}
var text = '';
var endIndex;
var xpathExpr = rangeParent.ownerDocument.createExpression(this.textNodeExpr, null);
if (rangeParent.ownerDocument.evaluate(this.startElementExpr, rangeParent, null, XPathResult.BOOLEAN_TYPE, null).booleanValue)
return '';
if (rangeParent.nodeType != Node.TEXT_NODE)
return '';
endIndex = Math.min(rangeParent.data.length, offset + maxLength);
text += rangeParent.data.substring(offset, endIndex);
selEndList.push( {node: rangeParent, offset: endIndex} );
var nextNode = rangeParent;
while (((nextNode = this.getNext(nextNode)) != null) && (this.isInline(nextNode)) && (text.length < maxLength))
text += this.getInlineText(nextNode, selEndList, maxLength - text.length, xpathExpr);
return text;
},
// Hack because SelEnd can't be sent in messages
lastSelEnd: [],
// Hack because ro was coming out always 0 for some reason.
lastRo: 0,
show: function(tdata, dictOption) {
var rp = tdata.prevRangeNode;
var ro = tdata.prevRangeOfs + tdata.uofs;
var u;
tdata.uofsNext = 1;
if (!rp) {
this.clearHi();
this.hidePopup();
return 0;
}
if ((ro < 0) || (ro >= rp.data.length)) {
this.clearHi();
this.hidePopup();
return 0;
}
// if we have ' XYZ', where whitespace is compressed, X never seems to get selected
while (((u = rp.data.charCodeAt(ro)) == 32) || (u == 9) || (u == 10)) {
++ro;
if (ro >= rp.data.length) {
this.clearHi();
this.hidePopup();
return 0;
}
}
//
if ((isNaN(u)) ||
((u != 0x25CB) &&
((u < 0x3001) || (u > 0x30FF)) &&
((u < 0x3400) || (u > 0x9FFF)) &&
((u < 0xF900) || (u > 0xFAFF)) &&
((u < 0xFF10) || (u > 0xFF9D)))) {
this.clearHi();
this.hidePopup();
return -2;
}
//selection end data
var selEndList = [];
var text = this.getTextFromRange(rp, ro, selEndList, 13 /*maxlength*/);
lastSelEnd = selEndList;
lastRo = ro;
chrome.extension.sendMessage({"type":"xsearch", "text":text, "dictOption": String(dictOption) },
rcxContent.processEntry);
return 1;
},
processEntry: function(e) {
tdata = window.rikaichan;
ro = lastRo;
selEndList = lastSelEnd;
if (!e) {
rcxContent.hidePopup();
rcxContent.clearHi();
return -1;
}
rcxContent.lastFound = [e];
if (!e.matchLen) e.matchLen = 1;
tdata.uofsNext = e.matchLen;
tdata.uofs = (ro - tdata.prevRangeOfs);
rp = tdata.prevRangeNode;
// don't try to highlight form elements
if ((rp) && ((tdata.config.highlight && !this.mDown && !('form' in tdata.prevTarget)) ||
(('form' in tdata.prevTarget) && tdata.config.textboxhl))) {
var doc = rp.ownerDocument;
if (!doc) {
rcxContent.clearHi();
rcxContent.hidePopup();
return 0;
}
rcxContent.highlightMatch(doc, rp, ro, e.matchLen, selEndList, tdata);
tdata.prevSelView = doc.defaultView;
}
chrome.extension.sendMessage({"type":"makehtml", "entry":e}, rcxContent.processHtml);
},
processHtml: function(html) {
tdata = window.rikaichan;
rcxContent.showPopup(html, tdata.prevTarget, tdata.popX, tdata.popY, false);
return 1;
},
highlightMatch: function (doc, rp, ro, matchLen, selEndList, tdata) {
var sel = doc.defaultView.getSelection();
// If selEndList is empty then we're dealing with a textarea/input situation
if (selEndList.length === 0) {
try {
if(rp.nodeName == 'TEXTAREA' || rp.nodeName == 'INPUT') {
// If there is already a selected region not caused by
// rikaikun, leave it alone
if((sel.toString()) && (tdata.selText != sel.toString()))
return;
// If there is no selected region and the saved
// textbox is the same as teh current one
// then save the current cursor position
// The second half of the condition let's us place the
// cursor in another text box without having it jump back
if(!sel.toString() && tdata.oldTA == rp) {
tdata.oldCaret = rp.selectionStart;
tdata.oldTA = rp;
}
rp.selectionStart = ro;
rp.selectionEnd = matchLen + ro;
tdata.selText = rp.value.substring(ro, matchLen+ro);
}
}
catch(err) {
// If there is an error it is probably caused by the input type
// being not text. This is the most general way to deal with
// arbitrary types.
// we set oldTA to null because we don't want to do weird stuf
// with buttons
tdata.oldTA = null;
//console.log("invalid input type for selection:" + rp.type);
console.log(err.message);
}
return;
}
// Special case for leaving a text box to an outside japanese
// Even if we're not currently in a text area we should save
// the last one we were in.
if(tdata.oldTA && !sel.toString() && tdata.oldCaret >= 0)
tdata.oldCaret = tdata.oldTA.selectionStart;
var selEnd;
var offset = matchLen + ro;
for (var i = 0, len = selEndList.length; i < len; i++) {
selEnd = selEndList[i]
if (offset <= selEnd.offset) break;
offset -= selEnd.offset;
}
var range = doc.createRange();
range.setStart(rp, ro);
range.setEnd(selEnd.node, offset);
if ((sel.toString()) && (tdata.selText != sel.toString()))
return;
sel.removeAllRanges();
sel.addRange(range);
tdata.selText = sel.toString();
if(window.rikaichan.config.ttsEnabled) {
var text = sel.toString();
if(text.length > 0) {
//console.log("Sending playTTS " + text);
chrome.extension.sendMessage({"type": "playTTS", "text": text});
}
}
},
showTitle: function(tdata) {
chrome.extension.sendMessage({"type":"translate", "title":tdata.title},
rcxContent.processTitle);
},
processTitle: function(e) {
tdata = window.rikaichan;
if (!e) {
rcxContent.hidePopup();
return;
}
e.title = tdata.title.substr(0, e.textLen).replace(/[\x00-\xff]/g, function (c) { return '&#' + c.charCodeAt(0) + ';' } );
if (tdata.title.length > e.textLen) e.title += '...';
this.lastFound = [e];
chrome.extension.sendMessage({"type":"makehtml", "entry":e}, rcxContent.processHtml);
},
/*
inRange: function (event) {
var selection = event.view.getSelection();
if ((selection.rangeCount === 0) || (!event.rangeParent)) return false;
var newRange = event.view.document.createRange();
newRange.setStart(event.rangeParent, event.rangeOffset);
newRange.setEnd(event.rangeParent, event.rangeOffset);
var curRange = selection.getRangeAt(0);
if (newRange.compareBoundaryPoints(Range.START_TO_START, curRange) > -1 &&
newRange.compareBoundaryPoints(Range.END_TO_END, curRange) < 0)
return true;
else return false;
},
*/
getFirstTextChild: function(node) {
return document.evaluate('descendant::text()[not(parent::rp) and not(ancestor::rt)]',
node, null, XPathResult.ANY_TYPE, null).iterateNext();
//
},
makeFake: function(real) {
var fake = document.createElement('div');
var realRect = real.getBoundingClientRect();
fake.innerText = real.value;
fake.style.cssText = document.defaultView.getComputedStyle(real, "").cssText;
fake.scrollTop = real.scrollTop;
fake.scrollLeft = real.scrollLeft;
fake.style.position = "absolute";
fake.style.zIndex = 7777;
fake.style.top = realRect.top + 'px';
fake.style.left = realRect.left + 'px';
return fake;
},
getTotalOffset: function(parent, tNode, offset) {
var fChild = parent.firstChild;
var realO = offset;
if(fChild == tNode)
return offset;
do {
var val = 0;
if(fChild.nodeName == "BR") {
val = 1;
}
else {
val = (fChild.data ? fChild.data.length : 0)
}
realO += val;
}
while((fChild = fChild.nextSibling) != tNode);
return realO;
},
onMouseMove: function(ev) {
rcxContent.lastPos.x = ev.clientX;
rcxContent.lastPos.y = ev.clientY;
rcxContent.lastTarget = ev.target;
rcxContent.tryUpdatePopup(ev);
},
tryUpdatePopup: function(ev) {
var altGraph = ev.getModifierState && ev.getModifierState("AltGraph");
if ((window.rikaichan.config.showOnKey.includes("Alt") && !ev.altKey && !altGraph) ||
(window.rikaichan.config.showOnKey.includes("Ctrl") && !ev.ctrlKey)) {
this.clearHi();
this.hidePopup();
return;
}
var fake;
var tdata = window.rikaichan; // per-tab data
var range;
var rp;
var ro;
// Put this in a try catch so that an exception here doesn't prevent editing due to div.
try {
if(ev.target.nodeName == 'TEXTAREA' || ev.target.nodeName == 'INPUT') {
fake = rcxContent.makeFake(ev.target);
document.body.appendChild(fake);
fake.scrollTop = ev.target.scrollTop;
fake.scrollLeft = ev.target.scrollLeft;
}
// Calculate range and friends here after we've made our fake textarea/input divs.
range = document.caretRangeFromPoint(ev.clientX, ev.clientY);
rp = range.startContainer;
ro = range.startOffset;
if(fake) {
// At the end of a line, don't do anything or you just get beginning of next line
if((rp.data) && rp.data.length == ro) {
document.body.removeChild(fake);
return;
}
fake.style.display = "none";
ro = this.getTotalOffset(rp.parentNode, rp, ro);
}
/* console.log( "offset: " + ro + " parentContainer: " + rp.nodeName +
" total size: " + (rp.data?rp.data.length:"") + " target: " + ev.target.nodeName +
" parentparent: " + rp.parentNode.nodeName); */
// This is to account for bugs in caretRangeFromPoint
// It includes the fact that it returns text nodes over non text nodes
// and also the fact that it miss the first character of inline nodes.
// If the range offset is equal to the node data length
// Then we have the second case and need to correct.
if((rp.data) && ro == rp.data.length) {
// A special exception is the WBR tag which is inline but doesn't
// contain text.
if((rp.nextSibling) && (rp.nextSibling.nodeName == 'WBR')) {
rp = rp.nextSibling.nextSibling;
ro = 0;
}
// If we're to the right of an inline character we can use the target.
// However, if we're just in a blank spot don't do anything.
else if(rcxContent.isInline(ev.target)) {
if(rp.parentNode == ev.target)
;
else if(fake && rp.parentNode.innerText == ev.target.value)
;
else {
rp = ev.target.firstChild;
ro = 0;
}
}
// Otherwise we're on the right and can take the next sibling of the
// inline element.
else{
rp = rp.parentNode.nextSibling
ro = 0;
}
}
// The case where the before div is empty so the false spot is in the parent
// But we should be able to take the target.
// The 1 seems random but it actually represents the preceding empty tag
// also we don't want it to mess up with our fake div
// Also, form elements don't seem to fall into this case either.
if(!(fake) && !('form' in ev.target) && rp && rp.parentNode != ev.target && ro == 1) {
rp = rcxContent.getFirstTextChild(ev.target);
ro=0;
}
// Otherwise, we're off in nowhere land and we should go home.
// offset should be 0 or max in this case.
else if(!(fake) && (!(rp) || ((rp.parentNode != ev.target)))){
rp = null;
ro = -1;
}
// For text nodes do special stuff
// we make rp the text area and keep the offset the same
// we give the text area data so it can act normal
if(fake) {
rp = ev.target;
rp.data = rp.value
}
if (ev.target == tdata.prevTarget && this.isVisible()) {
//console.log("exit due to same target");
if (tdata.title) {
if(fake) document.body.removeChild(fake);
return;
}
if ((rp == tdata.prevRangeNode) && (ro == tdata.prevRangeOfs)) {
if(fake) document.body.removeChild(fake);