diff options
Diffstat (limited to 'js/vapi-messaging.js')
| -rw-r--r-- | js/vapi-messaging.js | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/js/vapi-messaging.js b/js/vapi-messaging.js index afc18a1..5fb4b59 100644 --- a/js/vapi-messaging.js +++ b/js/vapi-messaging.js @@ -2,7 +2,7 @@ ηMatrix - a browser extension to black/white list requests. Copyright (C) 2014-2019 The uMatrix/uBlock Origin authors - Copyright (C) 2019-2020 Alessio Vanni + Copyright (C) 2019-2022 Alessio Vanni 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 @@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with this program. If not, see {http://www.gnu.org/licenses/}. - Home: https://libregit.spks.xyz/heckyel/ematrix + Home: https://gitlab.com/vannilla/ematrix uMatrix Home: https://github.com/gorhill/uMatrix */ @@ -29,109 +29,109 @@ Cu.import('chrome://ematrix/content/lib/CallbackWrapper.jsm'); vAPI.messaging = { - get globalMessageManager() { + get globalMessageManager() { return Cc['@mozilla.org/globalmessagemanager;1'] .getService(Ci.nsIMessageListenerManager); - }, - frameScript: vAPI.getURL('frameScript.js'), - listeners: {}, - defaultHandler: null, - NOOPFUNC: function(){}, - UNHANDLED: 'vAPI.messaging.notHandled' + }, + frameScript: vAPI.getURL('frameScript.js'), + listeners: {}, + defaultHandler: null, + NOOPFUNC: function(){}, + UNHANDLED: 'vAPI.messaging.notHandled' }; vAPI.messaging.listen = function (listenerName, callback) { - this.listeners[listenerName] = callback; + this.listeners[listenerName] = callback; }; vAPI.messaging.onMessage = function ({target, data}) { - let messageManager = target.messageManager; + let messageManager = target.messageManager; - if (!messageManager) { + if (!messageManager) { // Message came from a popup, and its message manager is // not usable. So instead we broadcast to the parent // window. messageManager = - vAPI.browser. - getOwnerWindow(target.webNavigation - .QueryInterface(Ci.nsIDocShell) - .chromeEventHandler).messageManager; - } - - let channelNameRaw = data.channelName; - let pos = channelNameRaw.indexOf('|'); - let channelName = channelNameRaw.slice(pos + 1); - - let callback = vAPI.messaging.NOOPFUNC; - if (data.requestId !== undefined) { + vAPI.browser. + getOwnerWindow(target.webNavigation + .QueryInterface(Ci.nsIDocShell) + .chromeEventHandler).messageManager; + } + + let channelNameRaw = data.channelName; + let pos = channelNameRaw.indexOf('|'); + let channelName = channelNameRaw.slice(pos + 1); + + let callback = vAPI.messaging.NOOPFUNC; + if (data.requestId !== undefined) { callback = CallbackWrapper.factory(messageManager, - channelName, - channelNameRaw.slice(0, pos), - data.requestId).callback; - } + channelName, + channelNameRaw.slice(0, pos), + data.requestId).callback; + } - let sender = { + let sender = { tab: { - id: vAPI.tabs.manager.tabIdFromTarget(target) + id: vAPI.tabs.manager.tabIdFromTarget(target) } - }; + }; - // Specific handler - let r = vAPI.messaging.UNHANDLED; - let listener = vAPI.messaging.listeners[channelName]; + // Specific handler + let r = vAPI.messaging.UNHANDLED; + let listener = vAPI.messaging.listeners[channelName]; - if (typeof listener === 'function') { + if (typeof listener === 'function') { r = listener(data.msg, sender, callback); - } - if (r !== vAPI.messaging.UNHANDLED) { + } + if (r !== vAPI.messaging.UNHANDLED) { return; - } + } - // Default handler - r = vAPI.messaging.defaultHandler(data.msg, sender, callback); - if (r !== vAPI.messaging.UNHANDLED) { + // Default handler + r = vAPI.messaging.defaultHandler(data.msg, sender, callback); + if (r !== vAPI.messaging.UNHANDLED) { return; - } + } - console.error('eMatrix> messaging > unknown request: %o', data); + console.error('eMatrix> messaging > unknown request: %o', data); - // Unhandled: Need to callback anyways in case caller expected - // an answer, or else there is a memory leak on caller's side - callback(); + // Unhandled: Need to callback anyways in case caller expected + // an answer, or else there is a memory leak on caller's side + callback(); }; vAPI.messaging.setup = function (defaultHandler) { - // Already setup? - if (this.defaultHandler !== null) { + // Already setup? + if (this.defaultHandler !== null) { return; - } + } - if (typeof defaultHandler !== 'function') { + if (typeof defaultHandler !== 'function') { defaultHandler = function () { - return vAPI.messaging.UNHANDLED; - }; - } + return vAPI.messaging.UNHANDLED; + }; + } - this.defaultHandler = defaultHandler; - this.globalMessageManager.addMessageListener(location.host - + ':background', - this.onMessage); - this.globalMessageManager.loadFrameScript(this.frameScript, true); + this.defaultHandler = defaultHandler; + this.globalMessageManager.addMessageListener(location.host + + ':background', + this.onMessage); + this.globalMessageManager.loadFrameScript(this.frameScript, true); - vAPI.addCleanUpTask(function () { + vAPI.addCleanUpTask(function () { let gmm = vAPI.messaging.globalMessageManager; gmm.removeDelayedFrameScript(vAPI.messaging.frameScript); gmm.removeMessageListener(location.host + ':background', - vAPI.messaging.onMessage); - }); + vAPI.messaging.onMessage); + }); }; vAPI.messaging.broadcast = function (message) { - this.globalMessageManager - .broadcastAsyncMessage(location.host + ':broadcast', - JSON.stringify({ - broadcast: true, - msg: message})); + this.globalMessageManager + .broadcastAsyncMessage(location.host + ':broadcast', + JSON.stringify({ + broadcast: true, + msg: message})); }; })(); |