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-rw-r--r--ext/fg/js/frontend.js338
1 files changed, 199 insertions, 139 deletions
diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js
index eecfe2e1..575dc413 100644
--- a/ext/fg/js/frontend.js
+++ b/ext/fg/js/frontend.js
@@ -25,73 +25,155 @@
* docSentenceExtract
*/
-class Frontend extends TextScanner {
- constructor(popup) {
- super(
- window,
- () => this.popup.isProxy() ? [] : [this.popup.getContainer()],
- [(x, y) => this.popup.containsPoint(x, y)]
- );
-
- this.popup = popup;
-
+class Frontend {
+ constructor(popup, getUrl=null) {
+ this._id = yomichan.generateId(16);
+ this._popup = popup;
+ this._getUrl = getUrl;
this._disabledOverride = false;
-
- this.options = null;
-
- this.optionsContext = {
- depth: popup.depth,
- url: popup.url
- };
-
+ this._options = null;
this._pageZoomFactor = 1.0;
this._contentScale = 1.0;
this._orphaned = false;
this._lastShowPromise = Promise.resolve();
+ this._enabledEventListeners = new EventListenerCollection();
+ this._activeModifiers = new Set();
+ this._optionsUpdatePending = false;
+ this._textScanner = new TextScanner({
+ node: window,
+ ignoreElements: () => this._popup.isProxy() ? [] : [this._popup.getFrame()],
+ ignorePoint: (x, y) => this._popup.containsPoint(x, y),
+ search: this._search.bind(this)
+ });
this._windowMessageHandlers = new Map([
- ['popupClose', () => this.onSearchClear(true)],
- ['selectionCopy', () => document.execCommand('copy')]
+ ['popupClose', this._onMessagePopupClose.bind(this)],
+ ['selectionCopy', this._onMessageSelectionCopy.bind()]
]);
this._runtimeMessageHandlers = new Map([
- ['popupSetVisibleOverride', ({visible}) => { this.popup.setVisibleOverride(visible); }],
- ['rootPopupRequestInformationBroadcast', () => { this._broadcastRootPopupInformation(); }],
- ['requestDocumentInformationBroadcast', ({uniqueId}) => { this._broadcastDocumentInformation(uniqueId); }]
+ ['popupSetVisibleOverride', this._onMessagePopupSetVisibleOverride.bind(this)],
+ ['rootPopupRequestInformationBroadcast', this._onMessageRootPopupRequestInformationBroadcast.bind(this)],
+ ['requestDocumentInformationBroadcast', this._onMessageRequestDocumentInformationBroadcast.bind(this)]
]);
}
+ get canClearSelection() {
+ return this._textScanner.canClearSelection;
+ }
+
+ set canClearSelection(value) {
+ this._textScanner.canClearSelection = value;
+ }
+
async prepare() {
try {
await this.updateOptions();
const {zoomFactor} = await apiGetZoom();
this._pageZoomFactor = zoomFactor;
- window.addEventListener('resize', this.onResize.bind(this), false);
+ window.addEventListener('resize', this._onResize.bind(this), false);
const visualViewport = window.visualViewport;
if (visualViewport !== null && typeof visualViewport === 'object') {
- window.visualViewport.addEventListener('scroll', this.onVisualViewportScroll.bind(this));
- window.visualViewport.addEventListener('resize', this.onVisualViewportResize.bind(this));
+ window.visualViewport.addEventListener('scroll', this._onVisualViewportScroll.bind(this));
+ window.visualViewport.addEventListener('resize', this._onVisualViewportResize.bind(this));
}
- yomichan.on('orphaned', this.onOrphaned.bind(this));
+ yomichan.on('orphaned', this._onOrphaned.bind(this));
yomichan.on('optionsUpdated', this.updateOptions.bind(this));
- yomichan.on('zoomChanged', this.onZoomChanged.bind(this));
- chrome.runtime.onMessage.addListener(this.onRuntimeMessage.bind(this));
+ yomichan.on('zoomChanged', this._onZoomChanged.bind(this));
+ chrome.runtime.onMessage.addListener(this._onRuntimeMessage.bind(this));
+
+ this._textScanner.on('clearSelection', this._onClearSelection.bind(this));
+ this._textScanner.on('activeModifiersChanged', this._onActiveModifiersChanged.bind(this));
this._updateContentScale();
this._broadcastRootPopupInformation();
} catch (e) {
- this.onError(e);
+ yomichan.logError(e);
+ }
+ }
+
+ async setPopup(popup) {
+ this._textScanner.clearSelection(true);
+ this._popup = popup;
+ await popup.setOptionsContext(await this.getOptionsContext(), this._id);
+ }
+
+ setDisabledOverride(disabled) {
+ this._disabledOverride = disabled;
+ this._updateTextScannerEnabled();
+ }
+
+ async setTextSource(textSource) {
+ await this._search(textSource, 'script');
+ this._textScanner.setCurrentTextSource(textSource);
+ }
+
+ async getOptionsContext() {
+ const url = this._getUrl !== null ? await this._getUrl() : window.location.href;
+ const depth = this._popup.depth;
+ const modifierKeys = [...this._activeModifiers];
+ return {depth, url, modifierKeys};
+ }
+
+ async updateOptions() {
+ const optionsContext = await this.getOptionsContext();
+ this._options = await apiOptionsGet(optionsContext);
+ this._textScanner.setOptions(this._options);
+ this._updateTextScannerEnabled();
+
+ const ignoreNodes = ['.scan-disable', '.scan-disable *'];
+ if (!this._options.scanning.enableOnPopupExpressions) {
+ ignoreNodes.push('.source-text', '.source-text *');
+ }
+ this._textScanner.ignoreNodes = ignoreNodes.join(',');
+
+ await this._popup.setOptionsContext(optionsContext, this._id);
+
+ this._updateContentScale();
+
+ const textSourceCurrent = this._textScanner.getCurrentTextSource();
+ const causeCurrent = this._textScanner.causeCurrent;
+ if (textSourceCurrent !== null && causeCurrent !== null) {
+ await this._search(textSourceCurrent, causeCurrent);
}
}
- onResize() {
+ showContentCompleted() {
+ return this._lastShowPromise;
+ }
+
+ // Message handlers
+
+ _onMessagePopupClose() {
+ this._textScanner.clearSelection(false);
+ }
+
+ _onMessageSelectionCopy() {
+ document.execCommand('copy');
+ }
+
+ _onMessagePopupSetVisibleOverride({visible}) {
+ this._popup.setVisibleOverride(visible);
+ }
+
+ _onMessageRootPopupRequestInformationBroadcast() {
+ this._broadcastRootPopupInformation();
+ }
+
+ _onMessageRequestDocumentInformationBroadcast({uniqueId}) {
+ this._broadcastDocumentInformation(uniqueId);
+ }
+
+ // Private
+
+ _onResize() {
this._updatePopupPosition();
}
- onWindowMessage(e) {
+ _onWindowMessage(e) {
const action = e.data;
const handler = this._windowMessageHandlers.get(action);
if (typeof handler !== 'function') { return false; }
@@ -99,10 +181,7 @@ class Frontend extends TextScanner {
handler();
}
- onRuntimeMessage({action, params}, sender, callback) {
- const {targetPopupId} = params || {};
- if (typeof targetPopupId !== 'undefined' && targetPopupId !== this.popup.id) { return; }
-
+ _onRuntimeMessage({action, params}, sender, callback) {
const handler = this._runtimeMessageHandlers.get(action);
if (typeof handler !== 'function') { return false; }
@@ -111,112 +190,78 @@ class Frontend extends TextScanner {
return false;
}
- onOrphaned() {
+ _onOrphaned() {
this._orphaned = true;
}
- onZoomChanged({newZoomFactor}) {
+ _onZoomChanged({newZoomFactor}) {
this._pageZoomFactor = newZoomFactor;
this._updateContentScale();
}
- onVisualViewportScroll() {
+ _onVisualViewportScroll() {
this._updatePopupPosition();
}
- onVisualViewportResize() {
+ _onVisualViewportResize() {
this._updateContentScale();
}
- getMouseEventListeners() {
- return [
- ...super.getMouseEventListeners(),
- [window, 'message', this.onWindowMessage.bind(this)]
- ];
- }
-
- setDisabledOverride(disabled) {
- this._disabledOverride = disabled;
- this.setEnabled(this.options.general.enable, this._canEnable());
+ _onClearSelection({passive}) {
+ this._popup.hide(!passive);
+ this._popup.clearAutoPlayTimer();
+ this._updatePendingOptions();
}
- async setPopup(popup) {
- this.onSearchClear(false);
- this.popup = popup;
- await popup.setOptions(this.options);
- }
-
- async updateOptions() {
- this.options = await apiOptionsGet(this.getOptionsContext());
- this.setOptions(this.options, this._canEnable());
-
- const ignoreNodes = ['.scan-disable', '.scan-disable *'];
- if (!this.options.scanning.enableOnPopupExpressions) {
- ignoreNodes.push('.source-text', '.source-text *');
- }
- this.ignoreNodes = ignoreNodes.join(',');
-
- await this.popup.setOptions(this.options);
-
- this._updateContentScale();
-
- if (this.textSourceCurrent !== null && this.causeCurrent !== null) {
- await this.onSearchSource(this.textSourceCurrent, this.causeCurrent);
+ async _onActiveModifiersChanged({modifiers}) {
+ if (areSetsEqual(modifiers, this._activeModifiers)) { return; }
+ this._activeModifiers = modifiers;
+ if (await this._popup.isVisible()) {
+ this._optionsUpdatePending = true;
+ return;
}
+ await this.updateOptions();
}
- async onSearchSource(textSource, cause) {
+ async _search(textSource, cause) {
+ await this._updatePendingOptions();
+
let results = null;
try {
if (textSource !== null) {
+ const optionsContext = await this.getOptionsContext();
results = (
- await this.findTerms(textSource) ||
- await this.findKanji(textSource)
+ await this._findTerms(textSource, optionsContext) ||
+ await this._findKanji(textSource, optionsContext)
);
if (results !== null) {
const focus = (cause === 'mouse');
- this.showContent(textSource, focus, results.definitions, results.type);
+ this._showContent(textSource, focus, results.definitions, results.type, optionsContext);
}
}
} catch (e) {
if (this._orphaned) {
- if (textSource !== null && this.options.scanning.modifier !== 'none') {
- this._showPopupContent(textSource, 'orphaned');
+ if (textSource !== null && this._options.scanning.modifier !== 'none') {
+ this._showPopupContent(textSource, await this.getOptionsContext(), 'orphaned');
}
} else {
- this.onError(e);
+ yomichan.logError(e);
}
} finally {
- if (results === null && this.options.scanning.autoHideResults) {
- this.onSearchClear(true);
+ if (results === null && this._options.scanning.autoHideResults) {
+ this._textScanner.clearSelection(false);
}
}
return results;
}
- showContent(textSource, focus, definitions, type) {
- const sentence = docSentenceExtract(textSource, this.options.anki.sentenceExt);
- const url = window.location.href;
- this._showPopupContent(
- textSource,
- type,
- {definitions, context: {sentence, url, focus, disableHistory: true}}
- );
- }
-
- showContentCompleted() {
- return this._lastShowPromise;
- }
-
- async findTerms(textSource) {
- this.setTextSourceScanLength(textSource, this.options.scanning.length);
-
- const searchText = textSource.text();
+ async _findTerms(textSource, optionsContext) {
+ const searchText = this._textScanner.getTextSourceContent(textSource, this._options.scanning.length);
if (searchText.length === 0) { return null; }
- const {definitions, length} = await apiTermsFind(searchText, {}, this.getOptionsContext());
+ const {definitions, length} = await apiTermsFind(searchText, {}, optionsContext);
if (definitions.length === 0) { return null; }
textSource.setEndOffset(length);
@@ -224,82 +269,97 @@ class Frontend extends TextScanner {
return {definitions, type: 'terms'};
}
- async findKanji(textSource) {
- this.setTextSourceScanLength(textSource, 1);
-
- const searchText = textSource.text();
+ async _findKanji(textSource, optionsContext) {
+ const searchText = this._textScanner.getTextSourceContent(textSource, 1);
if (searchText.length === 0) { return null; }
- const definitions = await apiKanjiFind(searchText, this.getOptionsContext());
+ const definitions = await apiKanjiFind(searchText, optionsContext);
if (definitions.length === 0) { return null; }
- return {definitions, type: 'kanji'};
- }
+ textSource.setEndOffset(1);
- onSearchClear(changeFocus) {
- this.popup.hide(changeFocus);
- this.popup.clearAutoPlayTimer();
- super.onSearchClear(changeFocus);
+ return {definitions, type: 'kanji'};
}
- getOptionsContext() {
- this.optionsContext.url = this.popup.url;
- return this.optionsContext;
+ _showContent(textSource, focus, definitions, type, optionsContext) {
+ const {url} = optionsContext;
+ const sentence = docSentenceExtract(textSource, this._options.anki.sentenceExt);
+ this._showPopupContent(
+ textSource,
+ optionsContext,
+ type,
+ {definitions, context: {sentence, url, focus, disableHistory: true}}
+ );
}
- _showPopupContent(textSource, type=null, details=null) {
- this._lastShowPromise = this.popup.showContent(
+ _showPopupContent(textSource, optionsContext, type=null, details=null) {
+ const context = {optionsContext, source: this._id};
+ this._lastShowPromise = this._popup.showContent(
textSource.getRect(),
textSource.getWritingMode(),
type,
- details
+ details,
+ context
);
return this._lastShowPromise;
}
+ async _updatePendingOptions() {
+ if (this._optionsUpdatePending) {
+ this._optionsUpdatePending = false;
+ await this.updateOptions();
+ }
+ }
+
+ _updateTextScannerEnabled() {
+ const enabled = (
+ this._options.general.enable &&
+ this._popup.depth <= this._options.scanning.popupNestingMaxDepth &&
+ !this._disabledOverride
+ );
+ this._enabledEventListeners.removeAllEventListeners();
+ this._textScanner.setEnabled(enabled);
+ if (enabled) {
+ this._enabledEventListeners.addEventListener(window, 'message', this._onWindowMessage.bind(this));
+ }
+ }
+
_updateContentScale() {
- const {popupScalingFactor, popupScaleRelativeToPageZoom, popupScaleRelativeToVisualViewport} = this.options.general;
+ const {popupScalingFactor, popupScaleRelativeToPageZoom, popupScaleRelativeToVisualViewport} = this._options.general;
let contentScale = popupScalingFactor;
if (popupScaleRelativeToPageZoom) {
contentScale /= this._pageZoomFactor;
}
if (popupScaleRelativeToVisualViewport) {
- contentScale /= Frontend._getVisualViewportScale();
+ const visualViewport = window.visualViewport;
+ const visualViewportScale = (visualViewport !== null && typeof visualViewport === 'object' ? visualViewport.scale : 1.0);
+ contentScale /= visualViewportScale;
}
if (contentScale === this._contentScale) { return; }
this._contentScale = contentScale;
- this.popup.setContentScale(this._contentScale);
+ this._popup.setContentScale(this._contentScale);
this._updatePopupPosition();
}
+ async _updatePopupPosition() {
+ const textSource = this._textScanner.getCurrentTextSource();
+ if (textSource !== null && await this._popup.isVisible()) {
+ this._showPopupContent(textSource, await this.getOptionsContext());
+ }
+ }
+
_broadcastRootPopupInformation() {
- if (!this.popup.isProxy() && this.popup.depth === 0 && this.popup.frameId === 0) {
- apiBroadcastTab('rootPopupInformation', {popupId: this.popup.id, frameId: this.popup.frameId});
+ if (!this._popup.isProxy() && this._popup.depth === 0 && this._popup.frameId === 0) {
+ apiBroadcastTab('rootPopupInformation', {popupId: this._popup.id, frameId: this._popup.frameId});
}
}
_broadcastDocumentInformation(uniqueId) {
apiBroadcastTab('documentInformationBroadcast', {
uniqueId,
- frameId: this.popup.frameId,
+ frameId: this._popup.frameId,
title: document.title
});
}
-
- _canEnable() {
- return this.popup.depth <= this.options.scanning.popupNestingMaxDepth && !this._disabledOverride;
- }
-
- async _updatePopupPosition() {
- const textSource = this.getCurrentTextSource();
- if (textSource !== null && await this.popup.isVisible()) {
- this._showPopupContent(textSource);
- }
- }
-
- static _getVisualViewportScale() {
- const visualViewport = window.visualViewport;
- return visualViewport !== null && typeof visualViewport === 'object' ? visualViewport.scale : 1.0;
- }
}