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Diffstat (limited to 'tools/addon-sdk-1.5/packages/api-utils/lib/windows')
4 files changed, 374 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/windows/dom.js b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/dom.js new file mode 100644 index 0000000..1ff966a --- /dev/null +++ b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/dom.js @@ -0,0 +1,27 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +'use strict'; + +const { Trait } = require('../traits'); + +const WindowDom = Trait.compose({ + _window: Trait.required, + get title() { + let window = this._window; + return window && window.document ? window.document.title : null + }, + close: function close() { + let window = this._window; + if (window) window.close(); + return this._public; + }, + activate: function activate() { + let window = this._window; + if (window) window.focus(); + return this._public; + } +}); +exports.WindowDom = WindowDom; + diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/windows/loader.js b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/loader.js new file mode 100644 index 0000000..b596e73 --- /dev/null +++ b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/loader.js @@ -0,0 +1,120 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +"use strict"; + +const { Cc, Ci } = require('chrome'), + { setTimeout } = require("../timer"), + { Trait } = require('../traits'), + + WM = Cc['@mozilla.org/appshell/window-mediator;1']. + getService(Ci.nsIWindowMediator), + + URI_BROWSER = 'chrome://browser/content/browser.xul', + NAME = '_blank', + FEATURES = 'chrome,all,dialog=no', + PARAMS = [ URI_BROWSER, NAME, FEATURES ], + ON_LOAD = 'load', + ON_UNLOAD = 'unload', + STATE_LOADED = 'complete', + BROWSER = 'navigator:browser'; + +/** + * Trait provides private `_window` property and requires `_onLoad` property + * that will be called when `_window` is loaded. If `_window` property value + * is changed with already loaded window `_onLoad` still will be called. + */ +const WindowLoader = Trait.compose({ + /** + * Internal listener that is called when window is loaded. + * Please keep in mind that this trait will not handle exceptions that may + * be thrown by this method so method itself should take care of + * handling them. + * @param {nsIWindow} window + */ + _onLoad: Trait.required, + _tabOptions: Trait.required, + /** + * Internal listener that is called when `_window`'s DOM 'unload' event + * is dispatched. Please note that this trait will not handle exceptions that + * may be thrown by this method so method itself should take care of + * handling them. + */ + _onUnload: Trait.required, + _load: function _load() { + if (this.__window) return; + let params = PARAMS.slice() + params.push(this._tabOptions.map(function(options) options.url).join("|")) + let browser = WM.getMostRecentWindow(BROWSER); + this._window = browser.openDialog.apply(browser, params); + }, + /** + * Private window who's load event is being tracked. Once window is loaded + * `_onLoad` is called. + * @type {nsIWindow} + */ + get _window() this.__window, + set _window(window) { + let _window = this.__window; + if (!window) window = null; + if (window !== _window) { + if (_window) { + _window.removeEventListener(ON_UNLOAD, this.__unloadListener, false); + _window.removeEventListener(ON_LOAD, this.__loadListener, false); + } + if (window) { + window.addEventListener( + ON_UNLOAD, + this.__unloadListener || + (this.__unloadListener = this._unloadListener.bind(this)) + , + false + ); + this.__window = window; + // If window is not loaded yet setting up a listener. + if (STATE_LOADED != window.document.readyState) { + window.addEventListener( + ON_LOAD, + this.__loadListener || + (this.__loadListener = this._loadListener.bind(this)) + , + false + ); + } + else { // If window is loaded calling listener next turn of event loop. + this._onLoad(window) + } + } + } + }, + __window: null, + /** + * Internal method used for listening 'load' event on the `_window`. + * Method takes care of removing itself from 'load' event listeners once + * event is being handled. + */ + _loadListener: function _loadListener(event) { + let window = this._window; + if (!event.target || event.target.defaultView != window) return; + window.removeEventListener(ON_LOAD, this.__loadListener, false); + this._onLoad(window); + }, + __loadListener: null, + /** + * Internal method used for listening 'unload' event on the `_window`. + * Method takes care of removing itself from 'unload' event listeners once + * event is being handled. + */ + _unloadListener: function _unloadListener(event) { + let window = this._window; + if (!event.target + || event.target.defaultView != window + || STATE_LOADED != window.document.readyState + ) return; + window.removeEventListener(ON_UNLOAD, this.__unloadListener, false); + this._onUnload(window); + }, + __unloadListener: null +}); +exports.WindowLoader = WindowLoader; + diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/windows/observer.js b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/observer.js new file mode 100644 index 0000000..45191b7 --- /dev/null +++ b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/observer.js @@ -0,0 +1,53 @@ +/* vim:set ts=2 sw=2 sts=2 et: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const { EventEmitterTrait: EventEmitter } = require("../events"); +const { WindowTracker, windowIterator } = require("../window-utils"); +const { DOMEventAssembler } = require("../events/assembler"); +const { Trait } = require("../light-traits"); + +// Event emitter objects used to register listeners and emit events on them +// when they occur. +const observer = Trait.compose(DOMEventAssembler, EventEmitter).create({ + /** + * Method is implemented by `EventEmitter` and is used just for emitting + * events on registered listeners. + */ + _emit: Trait.required, + /** + * Events that are supported and emitted by the module. + */ + supportedEventsTypes: [ "activate", "deactivate" ], + /** + * Function handles all the supported events on all the windows that are + * observed. Method is used to proxy events to the listeners registered on + * this event emitter. + * @param {Event} event + * Keyboard event being emitted. + */ + handleEvent: function handleEvent(event) { + this._emit(event.type, event.target, event); + } +}); + +// Using `WindowTracker` to track window events. +WindowTracker({ + onTrack: function onTrack(chromeWindow) { + observer._emit("open", chromeWindow); + observer.observe(chromeWindow); + }, + onUntrack: function onUntrack(chromeWindow) { + observer._emit("close", chromeWindow); + observer.ignore(chromeWindow); + } +}); + +// Making observer aware of already opened windows. +for each (let window in windowIterator()) + observer.observe(window); + +exports.observer = observer; diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/windows/tabs.js b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/tabs.js new file mode 100644 index 0000000..33c5ed5 --- /dev/null +++ b/tools/addon-sdk-1.5/packages/api-utils/lib/windows/tabs.js @@ -0,0 +1,174 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +"use strict"; + +const { Trait } = require("../traits"); +const { List } = require("../list"); +const { Tab, Options } = require("../tabs/tab"); +const { EventEmitter } = require("../events"); +const { EVENTS } = require("../tabs/events"); +const { getOwnerWindow, getActiveTab, getTabs, + openTab, activateTab } = require("../tabs/utils"); +const { observer: tabsObserver } = require("../tabs/observer"); + +const TAB_BROWSER = "tabbrowser"; + +/** + * This is a trait that is used in composition of window wrapper. Trait tracks + * tab related events of the wrapped window in order to keep track of open + * tabs and maintain their wrappers. Every new tab gets wrapped and jetpack + * type event is emitted. + */ +const WindowTabTracker = Trait.compose({ + /** + * Chrome window whose tabs are tracked. + */ + _window: Trait.required, + /** + * Function used to emit events. + */ + _emit: EventEmitter.required, + _tabOptions: Trait.required, + /** + * Function to add event listeners. + */ + on: EventEmitter.required, + removeListener: EventEmitter.required, + /** + * Initializes tab tracker for a browser window. + */ + _initWindowTabTracker: function _initWindowTabTracker() { + // Ugly hack that we have to remove at some point (see Bug 658059). At this + // point it is necessary to invoke lazy `tabs` getter on the windows object + // which creates a `TabList` instance. + this.tabs; + // Binding all methods used as event listeners to the instance. + this._onTabReady = this._emitEvent.bind(this, "ready"); + this._onTabOpen = this._onTabEvent.bind(this, "open"); + this._onTabClose = this._onTabEvent.bind(this, "close"); + this._onTabActivate = this._onTabEvent.bind(this, "activate"); + this._onTabDeactivate = this._onTabEvent.bind(this, "deactivate"); + + for each (let tab in getTabs(this._window)) { + // We emulate "open" events for all open tabs since gecko does not emits + // them on the tabs that new windows are open with. Also this is + // necessary to synchronize tabs lists with an actual state. + this._onTabOpen(tab); + } + // We also emulate "activate" event so that it's picked up by a tab list. + this._onTabActivate(getActiveTab(this._window)); + + // Setting up event listeners + tabsObserver.on("open", this._onTabOpen); + tabsObserver.on("close", this._onTabClose); + tabsObserver.on("activate", this._onTabActivate); + tabsObserver.on("deactivate", this._onTabDeactivate); + }, + _destroyWindowTabTracker: function _destroyWindowTabTracker() { + // We emulate close events on all tabs, since gecko does not emits such + // events by itself. + for each (let tab in this.tabs) + this._emitEvent("close", tab); + + this._tabs._clear(); + + tabsObserver.removeListener("open", this._onTabOpen); + tabsObserver.removeListener("close", this._onTabClose); + tabsObserver.removeListener("activate", this._onTabActivate); + tabsObserver.removeListener("deactivate", this._onTabDeactivate); + }, + _onTabEvent: function _onTabEvent(type, tab) { + if (this._window === getOwnerWindow(tab)) { + let options = this._tabOptions.shift() || {}; + options.tab = tab; + options.window = this._public; + // creating tab wrapper and adding listener to "ready" events. + let wrappedTab = Tab(options); + + // Setting up an event listener for ready events. + if (type === "open") + wrappedTab.on("ready", this._onTabReady); + + this._emitEvent(type, wrappedTab); + } + }, + _emitEvent: function _emitEvent(type, tab) { + // Notifies combined tab list that tab was added / removed. + tabs._emit(type, tab); + // Notifies contained tab list that window was added / removed. + this._tabs._emit(type, tab); + } +}); +exports.WindowTabTracker = WindowTabTracker; + +/** + * This trait is used to create live representation of open tab lists. Each + * window wrapper's tab list is represented by an object created from this + * trait. It is also used to represent list of all the open windows. Trait is + * composed out of `EventEmitter` in order to emit 'TabOpen', 'TabClose' events. + * **Please note** that objects created by this trait can't be exposed outside + * instead you should expose it's `_public` property, see comments in + * constructor for details. + */ +const TabList = List.resolve({ constructor: "_init" }).compose( + // This is ugly, but necessary. Will be removed by #596248 + EventEmitter.resolve({ toString: null }), + Trait.compose({ + on: Trait.required, + _emit: Trait.required, + constructor: function TabList(options) { + this._window = options.window; + // Add new items to the list + this.on(EVENTS.open.name, this._add.bind(this)); + // Remove closed items from the list + this.on(EVENTS.close.name, this._remove.bind(this)); + + // Set value whenever new tab becomes active. + this.on("activate", function onTabActivate(tab) { + this._activeTab = tab; + }.bind(this)); + // Initialize list. + this._init(); + // This list is not going to emit any events, object holding this list + // will do it instead, to make that possible we return a private API. + return this; + }, + get activeTab() this._activeTab, + _activeTab: null, + + open: function open(options) { + options = Options(options); + this._window._tabOptions.push(options); + let tab = openTab(this._window._window, options.url); + if (!options.inBackground) + activateTab(tab); + } + // This is ugly, but necessary. Will be removed by #596248 + }).resolve({ toString: null }) +); + +/** + * Combined list of all open tabs on all the windows. + * type {TabList} + */ +var tabs = TabList({ window: null }); +exports.tabs = tabs._public; + +/** + * Trait is a part of composition that represents window wrapper. This trait is + * composed out of `WindowTabTracker` that allows it to keep track of open tabs + * on the window being wrapped. + */ +const WindowTabs = Trait.compose( + WindowTabTracker, + Trait.compose({ + _window: Trait.required, + /** + * List of tabs + */ + get tabs() (this._tabs || (this._tabs = TabList({ window: this })))._public, + _tabs: null, + }) +); +exports.WindowTabs = WindowTabs; |