summaryrefslogtreecommitdiff
path: root/ext/fg/js/driver.js
diff options
context:
space:
mode:
Diffstat (limited to 'ext/fg/js/driver.js')
-rw-r--r--ext/fg/js/driver.js244
1 files changed, 244 insertions, 0 deletions
diff --git a/ext/fg/js/driver.js b/ext/fg/js/driver.js
new file mode 100644
index 00000000..68cbcdee
--- /dev/null
+++ b/ext/fg/js/driver.js
@@ -0,0 +1,244 @@
+/*
+ * 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 Driver {
+ constructor() {
+ this.popup = new Popup();
+ this.audio = {};
+ this.lastMousePos = null;
+ this.lastTextSource = null;
+ this.pendingLookup = false;
+ 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());
+ }
+
+ onKeyDown(e) {
+ if (this.enabled && this.lastMousePos !== null && (e.keyCode === 16 || e.charCode === 16)) {
+ this.searchAt(this.lastMousePos, e.ctrlKey ? 'kanji' : 'terms');
+ } else {
+ this.hidePopup();
+ }
+ }
+
+ onMouseMove(e) {
+ this.lastMousePos = {x: e.clientX, y: e.clientY};
+ if (this.enabled && (e.shiftKey || e.which === 2)) {
+ this.searchAt(this.lastMousePos, e.ctrlKey ? 'kanji' : 'terms');
+ }
+ }
+
+ onMouseDown(e) {
+ this.lastMousePos = {x: e.clientX, y: e.clientY};
+ if (this.enabled && (e.shiftKey || e.which === 2)) {
+ this.searchAt(this.lastMousePos, e.ctrlKey ? 'kanji' : 'terms');
+ } else {
+ this.hidePopup();
+ }
+ }
+
+ onBgMessage({action, params}, sender, callback) {
+ const method = this['api_' + action];
+ if (typeof(method) === 'function') {
+ method.call(this, params);
+ }
+
+ callback();
+ }
+
+ onFrameMessage(e) {
+ const {action, params} = e.data, method = this['api_' + action];
+ if (typeof(method) === 'function') {
+ method.call(this, params);
+ }
+ }
+
+ searchTerms(textSource) {
+ textSource.setEndOffset(this.options.scanLength);
+
+ this.pendingLookup = true;
+ findTerm(textSource.text()).then(({definitions, length}) => {
+ if (definitions.length === 0) {
+ this.pendingLookup = false;
+ this.hidePopup();
+ } else {
+ textSource.setEndOffset(length);
+
+ const sentence = extractSentence(textSource, this.options.sentenceExtent);
+ definitions.forEach(definition => {
+ definition.url = window.location.href;
+ definition.sentence = sentence;
+ });
+
+ const sequence = ++this.sequence;
+ return renderText({definitions, sequence, root: this.fgRoot, options: this.options}, 'term-list.html').then(content => {
+ this.definitions = definitions;
+ this.pendingLookup = false;
+ this.showPopup(textSource, content);
+ return canAddDefinitions(definitions, ['term_kanji', 'term_kana']);
+ }).then(states => {
+ if (states !== null) {
+ states.forEach((state, index) => this.popup.invokeApi('setActionState', {index, state, sequence}));
+ }
+ });
+ }
+ });
+ }
+
+ searchKanji(textSource) {
+ textSource.setEndOffset(1);
+
+ this.pendingLookup = true;
+ findKanji(textSource.text()).then(definitions => {
+ if (definitions.length === 0) {
+ this.pendingLookup = false;
+ this.hidePopup();
+ } else {
+ definitions.forEach(definition => definition.url = window.location.href);
+
+ const sequence = ++this.sequence;
+ return renderText({definitions, sequence, root: this.fgRoot, options: this.options}, 'kanji-list.html').then(content => {
+ this.definitions = definitions;
+ this.pendingLookup = false;
+ this.showPopup(textSource, content);
+ return canAddDefinitions(definitions, ['kanji']);
+ }).then(states => {
+ if (states !== null) {
+ states.forEach((state, index) => this.popup.invokeApi('setActionState', {index, state, sequence}));
+ }
+ });
+ }
+ });
+ }
+
+ searchAt(point, mode) {
+ if (this.pendingLookup) {
+ return;
+ }
+
+ const textSource = textSourceFromPoint(point);
+ if (textSource === null || !textSource.containsPoint(point)) {
+ this.hidePopup();
+ return;
+ }
+
+ if (this.lastTextSource !== null && this.lastTextSource.equals(textSource)) {
+ return;
+ }
+
+ switch (mode) {
+ case 'terms':
+ this.searchTerms(textSource);
+ break;
+ case 'kanji':
+ this.searchKanji(textSource);
+ break;
+ }
+ }
+
+ showPopup(textSource, content) {
+ this.popup.showNextTo(textSource.getRect(), content);
+
+ if (this.options.selectMatchedText) {
+ textSource.select();
+ }
+
+ this.lastTextSource = textSource;
+ }
+
+ hidePopup() {
+ this.popup.hide();
+
+ if (this.options.selectMatchedText && this.lastTextSource !== null) {
+ this.lastTextSource.deselect();
+ }
+
+ this.lastTextSource = null;
+ this.definitions = null;
+ }
+
+ api_setOptions(opts) {
+ this.options = opts;
+ }
+
+ api_setEnabled(enabled) {
+ if (!(this.enabled = enabled)) {
+ this.hidePopup();
+ }
+ }
+
+ api_addNote({index, mode}) {
+ const state = {[mode]: false};
+ addDefinition(this.definitions[index], mode).then(success => {
+ if (success) {
+ this.popup.invokeApi('setActionState', {index, state, sequence: this.sequence});
+ } else {
+ alert('Note could not be added');
+ }
+ });
+ }
+
+ api_playAudio(index) {
+ const definition = this.definitions[index];
+
+ let url = `https://assets.languagepod101.com/dictionary/japanese/audiomp3.php?kanji=${encodeURIComponent(definition.expression)}`;
+ if (definition.reading) {
+ url += `&kana=${encodeURIComponent(definition.reading)}`;
+ }
+
+ for (const key in this.audio) {
+ this.audio[key].pause();
+ }
+
+ const audio = this.audio[url] || new Audio(url);
+ audio.currentTime = 0;
+ audio.play();
+
+ this.audio[url] = audio;
+ }
+
+ api_displayKanji(kanji) {
+ findKanji(kanji).then(definitions => {
+ definitions.forEach(definition => definition.url = window.location.href);
+
+ const sequence = ++this.sequence;
+ return renderText({definitions, sequence, root: this.fgRoot, options: this.options}, 'kanji-list.html').then(content => {
+ this.definitions = definitions;
+ this.popup.setContent(content, definitions);
+ return canAddDefinitions(definitions, ['kanji']);
+ }).then(states => {
+ if (states !== null) {
+ states.forEach((state, index) => this.popup.invokeApi('setActionState', {index, state, sequence}));
+ }
+ });
+ });
+ }
+}
+
+window.driver = new Driver();