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/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
class Client {
constructor() {
this.popup = new Popup();
this.lastMousePos = null;
this.lastRange = null;
this.enabled = false;
this.options = {};
chrome.runtime.onMessage.addListener(this.onBgMessage.bind(this));
window.addEventListener('message', this.onFrameMessage.bind(this));
window.addEventListener('mousedown', this.onMouseDown.bind(this));
window.addEventListener('mousemove', this.onMouseMove.bind(this));
window.addEventListener('keydown', this.onKeyDown.bind(this));
window.addEventListener('scroll', (e) => this.hidePopup());
window.addEventListener('resize', (e) => this.hidePopup());
getOptions((opts) => {
this.setOptions(opts);
getState((state) => this.setEnabled(state === 'enabled'));
});
}
onKeyDown(e) {
if (this.enabled && this.lastMousePos !== null && (e.keyCode === 16 || e.charCode === 16)) {
this.searchAt(this.lastMousePos);
}
}
onMouseMove(e) {
this.lastMousePos = {x: e.clientX, y: e.clientY};
if (this.enabled && (e.shiftKey || e.which === 2)) {
this.searchAt(this.lastMousePos);
}
}
onMouseDown(e) {
this.lastMousePos = {x: e.clientX, y: e.clientY};
if (this.enabled && (e.shiftKey || e.which === 2)) {
this.searchAt(this.lastMousePos);
} else {
this.hidePopup();
}
}
onBgMessage({name, value}, sender, callback) {
switch (name) {
case 'state':
this.setEnabled(value === 'enabled');
break;
case 'options':
this.setOptions(value);
break;
}
callback();
}
onFrameMessage(e) {
// const {action, data} = e.data;
// switch (action) {
// }
}
searchAt(point) {
const range = Range.fromPoint(point);
if (range === null || !range.containsPoint(point)) {
this.hidePopup();
return;
}
if (this.lastRange !== null && this.lastRange.compareOrigin(range) === 0) {
return;
}
range.setLength(this.options.scanLength);
findTerm(range.text(), ({results, length}) => {
if (length === 0) {
this.hidePopup();
} else {
range.setLength(length);
const params = {
defs: results,
root: chrome.extension.getURL('fg')
};
renderText(
params,
'term-list.html',
(content) => this.showPopup(range, content)
);
}
});
}
showPopup(range, content) {
this.popup.showNextTo(range.getRect(), content);
if (this.options.highlightText) {
if (this.lastRange !== null) {
this.lastRange.deselect();
}
range.select();
}
this.lastRange = range;
}
hidePopup() {
this.popup.hide();
if (this.options.highlightText && this.lastRange !== null) {
this.lastRange.deselect();
}
this.lastRange = null;
}
setEnabled(enabled) {
if (!(this.enabled = enabled)) {
this.hidePopup();
}
}
setOptions(opts) {
this.options = opts;
}
}
window.yomiClient = new Client();
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