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-rw-r--r--ext/bg/js/api.js134
-rw-r--r--ext/bg/js/backend.js143
2 files changed, 143 insertions, 134 deletions
diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index f4818854..1c3ad110 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -65,58 +65,9 @@ function apiTemplateRender(template, data, dynamic) {
return utilBackend()._onApiTemplateRender({template, data, dynamic});
}
-async function apiCommandExec(command, params) {
- const handlers = apiCommandExec.handlers;
- if (hasOwn(handlers, command)) {
- const handler = handlers[command];
- handler(params);
- }
+function apiCommandExec(command, params) {
+ return utilBackend()._onApiCommandExec({command, params});
}
-apiCommandExec.handlers = {
- search: async (params) => {
- const url = chrome.runtime.getURL('/bg/search.html');
- if (!(params && params.newTab)) {
- try {
- const tab = await _apiFindTab(1000, (url2) => (
- url2 !== null &&
- url2.startsWith(url) &&
- (url2.length === url.length || url2[url.length] === '?' || url2[url.length] === '#')
- ));
- if (tab !== null) {
- await _apiFocusTab(tab);
- return;
- }
- } catch (e) {
- // NOP
- }
- }
- chrome.tabs.create({url});
- },
-
- help: () => {
- chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
- },
-
- options: (params) => {
- if (!(params && params.newTab)) {
- chrome.runtime.openOptionsPage();
- } else {
- const manifest = chrome.runtime.getManifest();
- const url = chrome.runtime.getURL(manifest.options_ui.page);
- chrome.tabs.create({url});
- }
- },
-
- toggle: async () => {
- const optionsContext = {
- depth: 0,
- url: window.location.href
- };
- const options = await apiOptionsGet(optionsContext);
- options.general.enable = !options.general.enable;
- await apiOptionsSave('popup');
- }
-};
async function apiAudioGetUrl(definition, source, optionsContext) {
return audioGetUrl(definition, source, optionsContext);
@@ -208,87 +159,6 @@ async function _apiGetBrowser() {
}
}
-function _apiGetTabUrl(tab) {
- return new Promise((resolve) => {
- chrome.tabs.sendMessage(tab.id, {action: 'getUrl'}, {frameId: 0}, (response) => {
- let url = null;
- if (!chrome.runtime.lastError) {
- url = (response !== null && typeof response === 'object' && !Array.isArray(response) ? response.url : null);
- if (url !== null && typeof url !== 'string') {
- url = null;
- }
- }
- resolve({tab, url});
- });
- });
-}
-
-async function _apiFindTab(timeout, checkUrl) {
- // This function works around the need to have the "tabs" permission to access tab.url.
- const tabs = await new Promise((resolve) => chrome.tabs.query({}, resolve));
- let matchPromiseResolve = null;
- const matchPromise = new Promise((resolve) => { matchPromiseResolve = resolve; });
-
- const checkTabUrl = ({tab, url}) => {
- if (checkUrl(url, tab)) {
- matchPromiseResolve(tab);
- }
- };
-
- const promises = [];
- for (const tab of tabs) {
- const promise = _apiGetTabUrl(tab);
- promise.then(checkTabUrl);
- promises.push(promise);
- }
-
- const racePromises = [
- matchPromise,
- Promise.all(promises).then(() => null)
- ];
- if (typeof timeout === 'number') {
- racePromises.push(new Promise((resolve) => setTimeout(() => resolve(null), timeout)));
- }
-
- return await Promise.race(racePromises);
-}
-
-async function _apiFocusTab(tab) {
- await new Promise((resolve, reject) => {
- chrome.tabs.update(tab.id, {active: true}, () => {
- const e = chrome.runtime.lastError;
- if (e) { reject(e); }
- else { resolve(); }
- });
- });
-
- if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) {
- // Windows not supported (e.g. on Firefox mobile)
- return;
- }
-
- try {
- const tabWindow = await new Promise((resolve) => {
- chrome.windows.get(tab.windowId, {}, (tabWindow) => {
- const e = chrome.runtime.lastError;
- if (e) { reject(e); }
- else { resolve(tabWindow); }
- });
- });
- if (!tabWindow.focused) {
- await new Promise((resolve, reject) => {
- chrome.windows.update(tab.windowId, {focused: true}, () => {
- const e = chrome.runtime.lastError;
- if (e) { reject(e); }
- else { resolve(); }
- });
- });
- }
- } catch (e) {
- // Edge throws exception for no reason here.
- }
-}
-
async function apiClipboardGet() {
const clipboardPasteTarget = utilBackend().clipboardPasteTarget;
clipboardPasteTarget.innerText = '';
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 38dbd0f1..8ae5574c 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -397,8 +397,11 @@ class Backend {
);
}
- _onApiCommandExec({command, params}) {
- return apiCommandExec(command, params);
+ async _onApiCommandExec({command, params}) {
+ const handler = Backend._commandHandlers.get(command);
+ if (typeof handler !== 'function') { return false; }
+
+ handler(this, params);
}
_onApiAudioGetUrl({definition, source, optionsContext}) {
@@ -429,6 +432,54 @@ class Backend {
return apiClipboardGet();
}
+ // Command handlers
+
+ async _onCommandSearch(params) {
+ const url = chrome.runtime.getURL('/bg/search.html');
+ if (!(params && params.newTab)) {
+ try {
+ const tab = await Backend._findTab(1000, (url2) => (
+ url2 !== null &&
+ url2.startsWith(url) &&
+ (url2.length === url.length || url2[url.length] === '?' || url2[url.length] === '#')
+ ));
+ if (tab !== null) {
+ await Backend._focusTab(tab);
+ return;
+ }
+ } catch (e) {
+ // NOP
+ }
+ }
+ chrome.tabs.create({url});
+ }
+
+ _onCommandHelp() {
+ chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
+ }
+
+ _onCommandOptions(params) {
+ if (!(params && params.newTab)) {
+ chrome.runtime.openOptionsPage();
+ } else {
+ const manifest = chrome.runtime.getManifest();
+ const url = chrome.runtime.getURL(manifest.options_ui.page);
+ chrome.tabs.create({url});
+ }
+ }
+
+ async _onCommandToggle() {
+ const optionsContext = {
+ depth: 0,
+ url: window.location.href
+ };
+ const source = 'popup';
+
+ const options = await this.getOptions(optionsContext);
+ options.general.enable = !options.general.enable;
+ await this._optionsSave({source});
+ }
+
// Utilities
async _injectScreenshot(definition, fields, screenshot) {
@@ -466,6 +517,87 @@ class Backend {
definition.screenshotFileName = filename;
}
+
+ static _getTabUrl(tab) {
+ return new Promise((resolve) => {
+ chrome.tabs.sendMessage(tab.id, {action: 'getUrl'}, {frameId: 0}, (response) => {
+ let url = null;
+ if (!chrome.runtime.lastError) {
+ url = (response !== null && typeof response === 'object' && !Array.isArray(response) ? response.url : null);
+ if (url !== null && typeof url !== 'string') {
+ url = null;
+ }
+ }
+ resolve({tab, url});
+ });
+ });
+ }
+
+ static async _findTab(timeout, checkUrl) {
+ // This function works around the need to have the "tabs" permission to access tab.url.
+ const tabs = await new Promise((resolve) => chrome.tabs.query({}, resolve));
+ let matchPromiseResolve = null;
+ const matchPromise = new Promise((resolve) => { matchPromiseResolve = resolve; });
+
+ const checkTabUrl = ({tab, url}) => {
+ if (checkUrl(url, tab)) {
+ matchPromiseResolve(tab);
+ }
+ };
+
+ const promises = [];
+ for (const tab of tabs) {
+ const promise = Backend._getTabUrl(tab);
+ promise.then(checkTabUrl);
+ promises.push(promise);
+ }
+
+ const racePromises = [
+ matchPromise,
+ Promise.all(promises).then(() => null)
+ ];
+ if (typeof timeout === 'number') {
+ racePromises.push(new Promise((resolve) => setTimeout(() => resolve(null), timeout)));
+ }
+
+ return await Promise.race(racePromises);
+ }
+
+ static async _focusTab(tab) {
+ await new Promise((resolve, reject) => {
+ chrome.tabs.update(tab.id, {active: true}, () => {
+ const e = chrome.runtime.lastError;
+ if (e) { reject(e); }
+ else { resolve(); }
+ });
+ });
+
+ if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) {
+ // Windows not supported (e.g. on Firefox mobile)
+ return;
+ }
+
+ try {
+ const tabWindow = await new Promise((resolve) => {
+ chrome.windows.get(tab.windowId, {}, (tabWindow) => {
+ const e = chrome.runtime.lastError;
+ if (e) { reject(e); }
+ else { resolve(tabWindow); }
+ });
+ });
+ if (!tabWindow.focused) {
+ await new Promise((resolve, reject) => {
+ chrome.windows.update(tab.windowId, {focused: true}, () => {
+ const e = chrome.runtime.lastError;
+ if (e) { reject(e); }
+ else { resolve(); }
+ });
+ });
+ }
+ } catch (e) {
+ // Edge throws exception for no reason here.
+ }
+ }
}
Backend._messageHandlers = new Map([
@@ -491,5 +623,12 @@ Backend._messageHandlers = new Map([
['clipboardGet', (self, ...args) => self._onApiClipboardGet(...args)]
]);
+Backend._commandHandlers = new Map([
+ ['search', (self, ...args) => self._onCommandSearch(...args)],
+ ['help', (self, ...args) => self._onCommandHelp(...args)],
+ ['options', (self, ...args) => self._onCommandOptions(...args)],
+ ['toggle', (self, ...args) => self._onCommandToggle(...args)]
+]);
+
window.yomichan_backend = new Backend();
window.yomichan_backend.prepare();