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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-06-28 11:26:43 -0400
committerGitHub <noreply@github.com>2020-06-28 11:26:43 -0400
commit5bf805755a33f6f10fd9621f8a2bff7ba1cb7440 (patch)
tree836df16ec300e46af16c178f0aebca20802bde7c /ext/mixed/js
parent51981f0c4e11548e138f8b4e57ffd8b96bdee4fe (diff)
Yomichan object separation (#627)
* Move "yomichan" object setup to a separate file * Update script imports * Align message handlers * Rename Yomichan.prepare to Yomichan.ready * Add new prepare function * Improve isExtensionUrl
Diffstat (limited to 'ext/mixed/js')
-rw-r--r--ext/mixed/js/core.js192
-rw-r--r--ext/mixed/js/display.js2
-rw-r--r--ext/mixed/js/yomichan.js208
3 files changed, 209 insertions, 193 deletions
diff --git a/ext/mixed/js/core.js b/ext/mixed/js/core.js
index 0fe5ea20..21b7bf5e 100644
--- a/ext/mixed/js/core.js
+++ b/ext/mixed/js/core.js
@@ -303,195 +303,3 @@ class EventListenerCollection {
this._eventListeners = [];
}
}
-
-
-/*
- * Default message handlers
- */
-
-const yomichan = (() => {
- class Yomichan extends EventDispatcher {
- constructor() {
- super();
-
- this._isBackendPreparedPromise = this.getTemporaryListenerResult(
- chrome.runtime.onMessage,
- ({action}, {resolve}) => {
- if (action === 'backendPrepared') {
- resolve();
- }
- }
- );
-
- this._messageHandlers = new Map([
- ['getUrl', this._onMessageGetUrl.bind(this)],
- ['optionsUpdated', this._onMessageOptionsUpdated.bind(this)],
- ['zoomChanged', this._onMessageZoomChanged.bind(this)]
- ]);
-
- chrome.runtime.onMessage.addListener(this._onMessage.bind(this));
- }
-
- // Public
-
- prepare() {
- chrome.runtime.sendMessage({action: 'yomichanCoreReady'});
- return this._isBackendPreparedPromise;
- }
-
- generateId(length) {
- const array = new Uint8Array(length);
- crypto.getRandomValues(array);
- let id = '';
- for (const value of array) {
- id += value.toString(16).padStart(2, '0');
- }
- return id;
- }
-
- triggerOrphaned(error) {
- this.trigger('orphaned', {error});
- }
-
- isExtensionUrl(url) {
- try {
- const urlBase = chrome.runtime.getURL('/');
- return url.substring(0, urlBase.length) === urlBase;
- } catch (e) {
- return false;
- }
- }
-
- getTemporaryListenerResult(eventHandler, userCallback, timeout=null) {
- if (!(
- typeof eventHandler.addListener === 'function' &&
- typeof eventHandler.removeListener === 'function'
- )) {
- throw new Error('Event handler type not supported');
- }
-
- return new Promise((resolve, reject) => {
- const runtimeMessageCallback = ({action, params}, sender, sendResponse) => {
- let timeoutId = null;
- if (timeout !== null) {
- timeoutId = setTimeout(() => {
- timeoutId = null;
- eventHandler.removeListener(runtimeMessageCallback);
- reject(new Error(`Listener timed out in ${timeout} ms`));
- }, timeout);
- }
-
- const cleanupResolve = (value) => {
- if (timeoutId !== null) {
- clearTimeout(timeoutId);
- timeoutId = null;
- }
- eventHandler.removeListener(runtimeMessageCallback);
- sendResponse();
- resolve(value);
- };
-
- userCallback({action, params}, {resolve: cleanupResolve, sender});
- };
-
- eventHandler.addListener(runtimeMessageCallback);
- });
- }
-
- logWarning(error) {
- this.log(error, 'warn');
- }
-
- logError(error) {
- this.log(error, 'error');
- }
-
- log(error, level, context=null) {
- if (!isObject(context)) {
- context = this._getLogContext();
- }
-
- let errorString;
- try {
- errorString = error.toString();
- if (/^\[object \w+\]$/.test(errorString)) {
- errorString = JSON.stringify(error);
- }
- } catch (e) {
- errorString = `${error}`;
- }
-
- let errorStack;
- try {
- errorStack = (typeof error.stack === 'string' ? error.stack.trimRight() : '');
- } catch (e) {
- errorStack = '';
- }
-
- let errorData;
- try {
- errorData = error.data;
- } catch (e) {
- // NOP
- }
-
- if (errorStack.startsWith(errorString)) {
- errorString = errorStack;
- } else if (errorStack.length > 0) {
- errorString += `\n${errorStack}`;
- }
-
- const manifest = chrome.runtime.getManifest();
- let message = `${manifest.name} v${manifest.version} has encountered a problem.`;
- message += `\nOriginating URL: ${context.url}\n`;
- message += errorString;
- if (typeof errorData !== 'undefined') {
- message += `\nData: ${JSON.stringify(errorData, null, 4)}`;
- }
- message += '\n\nIssues can be reported at https://github.com/FooSoft/yomichan/issues';
-
- switch (level) {
- case 'info': console.info(message); break;
- case 'debug': console.debug(message); break;
- case 'warn': console.warn(message); break;
- case 'error': console.error(message); break;
- default: console.log(message); break;
- }
-
- this.trigger('log', {error, level, context});
- }
-
- // Private
-
- _getUrl() {
- return (typeof window === 'object' && window !== null ? window.location.href : '');
- }
-
- _getLogContext() {
- return {url: this._getUrl()};
- }
-
- _onMessage({action, params}, sender, callback) {
- const handler = this._messageHandlers.get(action);
- if (typeof handler !== 'function') { return false; }
-
- const result = handler(params, sender);
- callback(result);
- return false;
- }
-
- _onMessageGetUrl() {
- return {url: this._getUrl()};
- }
-
- _onMessageOptionsUpdated({source}) {
- this.trigger('optionsUpdated', {source});
- }
-
- _onMessageZoomChanged({oldZoomFactor, newZoomFactor}) {
- this.trigger('zoomChanged', {oldZoomFactor, newZoomFactor});
- }
- }
-
- return new Yomichan();
-})();
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 1d699706..e7439796 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -167,7 +167,7 @@ class Display {
}
async prepare() {
- await yomichan.prepare();
+ await yomichan.ready();
await this.displayGenerator.prepare();
}
diff --git a/ext/mixed/js/yomichan.js b/ext/mixed/js/yomichan.js
new file mode 100644
index 00000000..5fa504ef
--- /dev/null
+++ b/ext/mixed/js/yomichan.js
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2020 Yomichan Authors
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+const yomichan = (() => {
+ class Yomichan extends EventDispatcher {
+ constructor() {
+ super();
+
+ const {promise, resolve} = deferPromise();
+ this._isBackendPreparedPromise = promise;
+ this._isBackendPreparedPromiseResolve = resolve;
+
+ this._messageHandlers = new Map([
+ ['backendPrepared', this._onMessageBackendPrepared.bind(this)],
+ ['getUrl', this._onMessageGetUrl.bind(this)],
+ ['optionsUpdated', this._onMessageOptionsUpdated.bind(this)],
+ ['zoomChanged', this._onMessageZoomChanged.bind(this)]
+ ]);
+ }
+
+ // Public
+
+ prepare() {
+ chrome.runtime.onMessage.addListener(this._onMessage.bind(this));
+ }
+
+ ready() {
+ chrome.runtime.sendMessage({action: 'yomichanCoreReady'});
+ return this._isBackendPreparedPromise;
+ }
+
+ generateId(length) {
+ const array = new Uint8Array(length);
+ crypto.getRandomValues(array);
+ let id = '';
+ for (const value of array) {
+ id += value.toString(16).padStart(2, '0');
+ }
+ return id;
+ }
+
+ triggerOrphaned(error) {
+ this.trigger('orphaned', {error});
+ }
+
+ isExtensionUrl(url) {
+ try {
+ return url.startsWith(chrome.runtime.getURL('/'));
+ } catch (e) {
+ return false;
+ }
+ }
+
+ getTemporaryListenerResult(eventHandler, userCallback, timeout=null) {
+ if (!(
+ typeof eventHandler.addListener === 'function' &&
+ typeof eventHandler.removeListener === 'function'
+ )) {
+ throw new Error('Event handler type not supported');
+ }
+
+ return new Promise((resolve, reject) => {
+ const runtimeMessageCallback = ({action, params}, sender, sendResponse) => {
+ let timeoutId = null;
+ if (timeout !== null) {
+ timeoutId = setTimeout(() => {
+ timeoutId = null;
+ eventHandler.removeListener(runtimeMessageCallback);
+ reject(new Error(`Listener timed out in ${timeout} ms`));
+ }, timeout);
+ }
+
+ const cleanupResolve = (value) => {
+ if (timeoutId !== null) {
+ clearTimeout(timeoutId);
+ timeoutId = null;
+ }
+ eventHandler.removeListener(runtimeMessageCallback);
+ sendResponse();
+ resolve(value);
+ };
+
+ userCallback({action, params}, {resolve: cleanupResolve, sender});
+ };
+
+ eventHandler.addListener(runtimeMessageCallback);
+ });
+ }
+
+ logWarning(error) {
+ this.log(error, 'warn');
+ }
+
+ logError(error) {
+ this.log(error, 'error');
+ }
+
+ log(error, level, context=null) {
+ if (!isObject(context)) {
+ context = this._getLogContext();
+ }
+
+ let errorString;
+ try {
+ errorString = error.toString();
+ if (/^\[object \w+\]$/.test(errorString)) {
+ errorString = JSON.stringify(error);
+ }
+ } catch (e) {
+ errorString = `${error}`;
+ }
+
+ let errorStack;
+ try {
+ errorStack = (typeof error.stack === 'string' ? error.stack.trimRight() : '');
+ } catch (e) {
+ errorStack = '';
+ }
+
+ let errorData;
+ try {
+ errorData = error.data;
+ } catch (e) {
+ // NOP
+ }
+
+ if (errorStack.startsWith(errorString)) {
+ errorString = errorStack;
+ } else if (errorStack.length > 0) {
+ errorString += `\n${errorStack}`;
+ }
+
+ const manifest = chrome.runtime.getManifest();
+ let message = `${manifest.name} v${manifest.version} has encountered a problem.`;
+ message += `\nOriginating URL: ${context.url}\n`;
+ message += errorString;
+ if (typeof errorData !== 'undefined') {
+ message += `\nData: ${JSON.stringify(errorData, null, 4)}`;
+ }
+ message += '\n\nIssues can be reported at https://github.com/FooSoft/yomichan/issues';
+
+ switch (level) {
+ case 'info': console.info(message); break;
+ case 'debug': console.debug(message); break;
+ case 'warn': console.warn(message); break;
+ case 'error': console.error(message); break;
+ default: console.log(message); break;
+ }
+
+ this.trigger('log', {error, level, context});
+ }
+
+ // Private
+
+ _getUrl() {
+ return (typeof window === 'object' && window !== null ? window.location.href : '');
+ }
+
+ _getLogContext() {
+ return {url: this._getUrl()};
+ }
+
+ _onMessage({action, params}, sender, callback) {
+ const handler = this._messageHandlers.get(action);
+ if (typeof handler !== 'function') { return false; }
+
+ const result = handler(params, sender);
+ callback(result);
+ return false;
+ }
+
+ _onMessageBackendPrepared() {
+ if (this._isBackendPreparedPromiseResolve === null) { return; }
+ this._isBackendPreparedPromiseResolve();
+ this._isBackendPreparedPromiseResolve = null;
+ }
+
+ _onMessageGetUrl() {
+ return {url: this._getUrl()};
+ }
+
+ _onMessageOptionsUpdated({source}) {
+ this.trigger('optionsUpdated', {source});
+ }
+
+ _onMessageZoomChanged({oldZoomFactor, newZoomFactor}) {
+ this.trigger('zoomChanged', {oldZoomFactor, newZoomFactor});
+ }
+ }
+
+ return new Yomichan();
+})();
+
+yomichan.prepare();