diff options
| -rw-r--r-- | ext/bg/js/api.js | 89 | ||||
| -rw-r--r-- | ext/bg/js/search.js | 17 | ||||
| -rw-r--r-- | ext/bg/js/settings.js | 11 | ||||
| -rw-r--r-- | ext/fg/js/frontend.js | 8 | ||||
| -rw-r--r-- | ext/mixed/js/display.js | 4 |
5 files changed, 120 insertions, 9 deletions
diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js index da5ae4fe..a33ff94f 100644 --- a/ext/bg/js/api.js +++ b/ext/bg/js/api.js @@ -152,8 +152,22 @@ async function apiCommandExec(command) { } } apiCommandExec.handlers = { - search: () => { - chrome.tabs.create({url: chrome.extension.getURL('/bg/search.html')}); + search: async () => { + const url = chrome.extension.getURL('/bg/search.html'); + 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: () => { @@ -298,3 +312,74 @@ async function apiGetBrowser() { return 'chrome'; } } + +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) { + 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(); } + }); + }); + } + await new Promise((resolve, reject) => { + chrome.tabs.update(tab.id, {active: true}, () => { + const e = chrome.runtime.lastError; + if (e) { reject(e); } + else { resolve(); } + }); + }); +} diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js index a5a815cf..431478c9 100644 --- a/ext/bg/js/search.js +++ b/ext/bg/js/search.js @@ -114,6 +114,17 @@ class DisplaySearch extends Display { } } + onRuntimeMessage({action, params}, sender, callback) { + const handlers = DisplaySearch.runtimeMessageHandlers; + if (handlers.hasOwnProperty(action)) { + const handler = handlers[action]; + const result = handler(this, params); + callback(result); + } else { + return super.onRuntimeMessage({action, params}, sender, callback); + } + } + getOptionsContext() { return this.optionsContext; } @@ -188,4 +199,10 @@ class DisplaySearch extends Display { } } +DisplaySearch.runtimeMessageHandlers = { + getUrl: () => { + return {url: window.location.href}; + } +}; + window.yomichan_search = DisplaySearch.create(); diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js index 2c77a0ed..05a0604a 100644 --- a/ext/bg/js/settings.js +++ b/ext/bg/js/settings.js @@ -430,9 +430,14 @@ async function onOptionsUpdate({source}) { await formWrite(options); } -function onMessage({action, params}) { - if (action === 'optionsUpdate') { - onOptionsUpdate(params); +function onMessage({action, params}, sender, callback) { + switch (action) { + case 'optionsUpdate': + onOptionsUpdate(params); + break; + case 'getUrl': + callback({url: window.location.href}); + break; } } diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js index 45d24329..e854f74e 100644 --- a/ext/fg/js/frontend.js +++ b/ext/fg/js/frontend.js @@ -237,8 +237,8 @@ class Frontend { const handlers = Frontend.runtimeMessageHandlers; if (handlers.hasOwnProperty(action)) { const handler = handlers[action]; - handler(this, params); - callback(); + const result = handler(this, params); + callback(result); } } @@ -576,5 +576,9 @@ Frontend.runtimeMessageHandlers = { popupSetVisibleOverride: (self, {visible}) => { self.popup.setVisibleOverride(visible); + }, + + getUrl: () => { + return {url: window.location.href}; } }; diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js index bab82015..b40228b0 100644 --- a/ext/mixed/js/display.js +++ b/ext/mixed/js/display.js @@ -175,8 +175,8 @@ class Display { const handlers = Display.runtimeMessageHandlers; if (handlers.hasOwnProperty(action)) { const handler = handlers[action]; - handler(this, params); - callback(); + const result = handler(this, params); + callback(result); } } |