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Diffstat (limited to ''')
| -rw-r--r-- | ' | 197 |
1 files changed, 197 insertions, 0 deletions
@@ -0,0 +1,197 @@ +/* + * 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.activateKey = 16; + this.activateBtn = 2; + this.enabled = false; + this.options = {}; + this.definitions = null; + this.sequence = 0; + this.fgRoot = chrome.extension.getURL('fg'); + + 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()); + + bgGetOptions((opts) => { + this.setOptions(opts); + bgGetState((state) => this.setEnabled(state === 'enabled')); + }); + } + + onKeyDown(e) { + if (this.enabled && this.lastMousePos !== null && (e.keyCode === this.activateKey || e.charCode === this.activateKey)) { + this.searchAt(this.lastMousePos); + } + } + + onMouseMove(e) { + this.lastMousePos = {x: e.clientX, y: e.clientY}; + if (this.enabled && (e.shiftKey || e.which === this.activateBtn)) { + this.searchAt(this.lastMousePos); + } + } + + onMouseDown(e) { + this.lastMousePos = {x: e.clientX, y: e.clientY}; + if (this.enabled && (e.shiftKey || e.which === this.activateBtn)) { + 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, params} = e.data, handlers = { + addNote: ({mode, index}) => this.actionAddNote(mode, index, (data) => e.source.postMessage(data, e.origin)), + displayKanji: this.actionDisplayKanji + }; + + if (handlers.hasOwnProperty(action)) { + handlers[action].call(this, params); + } + } + + 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); + bgFindTerm(range.text(), ({definitions, length}) => { + if (length === 0) { + this.hidePopup(); + } else { + const sequence = this.sequence++; + range.setLength(length); + bgRenderText( + {defs: definitions, root: this.fgRoot, options: this.options, sequence: sequence}, + 'term-list.html', + (content) => { + this.definitions = definitions; + this.showPopup(range, content); + + bgCanAddNotes(definitions, (states) => { + if (states !== null) { + states.forEach((state, index) => this.popup.sendMessage( + 'setActionState', + {index: index, state: state, sequence: sequence} + )); + } + }); + } + ); + } + }); + } + + actionAddNote(mode, index, callback) { + const state = {}; + state[mode] = false; + + this.popup.sendMessage( + 'setActionState', + {index: index, state: state, sequence: this.sequence} + ); + } + + actionDisplayKanji(kanji) { + bgFindKanji(kanji, (definitions) => { + const sequence = this.sequence++; + bgRenderText( + {defs: definitions, root: this.fgRoot, options: this.options, sequence: sequence}, + 'kanji-list.html', + (content) => { + this.definitions = definitions; + this.popup.setContent(content, definitions); + + bgCanAddNotes(definitions, (states) => { + if (states !== null) { + states.forEach((state, index) => this.popup.sendMessage( + 'setActionState', + {index: index, state: state, sequence: sequence} + )); + } + }); + } + ); + }); + } + + showPopup(range, content) { + this.popup.showNextTo(range.getRect(), content); + + if (this.options.selectMatchedText) { + range.select(); + } + + this.lastRange = range; + } + + hidePopup() { + this.popup.hide(); + + if (this.options.selectMatchedText && this.lastRange !== null) { + this.lastRange.deselect(); + } + + this.lastRange = null; + this.definitions = null; + } + + setEnabled(enabled) { + if (!(this.enabled = enabled)) { + this.hidePopup(); + } + } + + setOptions(opts) { + this.options = opts; + } +} + +window.yomiClient = new Client(); |