From 304b1776677f2b124189275bb59cb2a14c6fcb12 Mon Sep 17 00:00:00 2001 From: JustOff Date: Thu, 19 Apr 2018 23:44:30 +0300 Subject: [PMkit] Add the shim for 'sdk/ui/button' --- toolkit/jetpack/sdk/ui/buttons.js | 198 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 toolkit/jetpack/sdk/ui/buttons.js (limited to 'toolkit/jetpack/sdk/ui/buttons.js') diff --git a/toolkit/jetpack/sdk/ui/buttons.js b/toolkit/jetpack/sdk/ui/buttons.js new file mode 100644 index 000000000..66e0fd742 --- /dev/null +++ b/toolkit/jetpack/sdk/ui/buttons.js @@ -0,0 +1,198 @@ +/* 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/. + * PMkit shim for 'sdk/ui/button', (c) JustOff, 2017 */ +"use strict"; + +module.metadata = { + "stability": "experimental", + "engines": { + "Palemoon": "> 27" + } +}; + +const { Ci, Cc } = require('chrome'); +const prefs = require('../preferences/service'); + +const buttonsList = new Map(); +const LOCATION_PREF_ROOT = "extensions.sdk-button-location."; + +let gWindowListener; + +function getLocation(id) { + let toolbarId = "nav-bar", nextItemId = ""; + let location = prefs.get(LOCATION_PREF_ROOT + id); + if (location && location.indexOf(",") !== -1) { + [toolbarId, nextItemId] = location.split(","); + } + return [toolbarId, nextItemId]; +} + +function saveLocation(id, toolbarId, nextItemId) { + let _toolbarId = toolbarId || ""; + let _nextItemId = nextItemId || ""; + prefs.set(LOCATION_PREF_ROOT + id, [_toolbarId, _nextItemId].join(",")); +} + +// Insert button into window +function insertButton(aWindow, id, onBuild) { + // Build button and save reference to it + let doc = aWindow.document; + let b = onBuild(doc, id); + aWindow[id] = b; + + // Add to the customization palette + let toolbox = doc.getElementById("navigator-toolbox"); + toolbox.palette.appendChild(b); + + // Retrieve button location from preferences + let [toolbarId, nextItemId] = getLocation(id); + let toolbar = toolbarId != "" && doc.getElementById(toolbarId); + + if (toolbar) { + let nextItem = doc.getElementById(nextItemId); + // If nextItem not in toolbar then retrieve it by reading currentset attribute + if (!(nextItem && nextItem.parentNode && nextItem.parentNode.id == toolbarId)) { + nextItem = null; + let currentSet = toolbar.getAttribute("currentset"); + let ids = (currentSet == "__empty") ? [] : currentSet.split(","); + let idx = ids.indexOf(id); + if (idx != -1) { + for (let i = idx; i < ids.length; i++) { + nextItem = doc.getElementById(ids[i]); + if (nextItem) + break; + } + } + } + // Finally insert button in the right toolbar and in the right position + toolbar.insertItem(id, nextItem, null, false); + } +} + +// Remove button from window +function removeButton(aWindow, id) { + let b = aWindow[id]; + b.parentNode.removeChild(b); + delete aWindow[id]; +} + +// Save locations of buttons after customization +function afterCustomize(e) { + for (let [id] of buttonsList) { + let toolbox = e.target; + let b = toolbox.parentNode.querySelector("#" + id); + let toolbarId = null, nextItemId = null; + if (b) { + let parent = b.parentNode; + let nextItem = b.nextSibling; + if (parent && parent.localName == "toolbar") { + toolbarId = parent.id; + nextItemId = nextItem && nextItem.id; + } + } + saveLocation(id, toolbarId, nextItemId); + } +} + +// Global window observer +function browserWindowObserver(handlers) { + this.handlers = handlers; +} + +browserWindowObserver.prototype = { + observe: function(aSubject, aTopic, aData) { + if (aTopic == "domwindowopened") { + aSubject.QueryInterface(Ci.nsIDOMWindow).addEventListener("load", this, false); + } else if (aTopic == "domwindowclosed") { + if (aSubject.document.documentElement.getAttribute("windowtype") == "navigator:browser") { + this.handlers.onShutdown(aSubject); + } + } + }, + + handleEvent: function(aEvent) { + let aWindow = aEvent.currentTarget; + aWindow.removeEventListener(aEvent.type, this, false); + + if (aWindow.document.documentElement.getAttribute("windowtype") == "navigator:browser") { + this.handlers.onStartup(aWindow); + } + } +}; + +// Run on every window startup +function browserWindowStartup(aWindow) { + for (let [id, onBuild] of buttonsList) { + insertButton(aWindow, id, onBuild); + } + aWindow.addEventListener("aftercustomization", afterCustomize, false); +}; + +// Run on every window shutdown +function browserWindowShutdown(aWindow) { + for (let [id, onBuild] of buttonsList) { + removeButton(aWindow, id); + } + aWindow.removeEventListener("aftercustomization", afterCustomize, false); +} + +// Main object +const buttons = { + createButton: function(aProperties) { + // If no buttons were inserted yet, setup global window observer + if (buttonsList.size == 0) { + let ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci.nsIWindowWatcher); + gWindowListener = new browserWindowObserver({ + onStartup: browserWindowStartup, + onShutdown: browserWindowShutdown + }); + ww.registerNotification(gWindowListener); + } + + // Add button to list + buttonsList.set(aProperties.id, aProperties.onBuild); + + // Inster button to all open windows + let wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator); + let winenu = wm.getEnumerator("navigator:browser"); + while (winenu.hasMoreElements()) { + let win = winenu.getNext(); + insertButton(win, aProperties.id, aProperties.onBuild); + // When first button inserted, add afterCustomize listener + if (buttonsList.size == 1) { + win.addEventListener("aftercustomization", afterCustomize, false); + } + } + }, + + destroyButton: function(id) { + // Remove button from list + buttonsList.delete(id); + + // If no more buttons exist, remove global window observer + if (buttonsList.size == 0) { + let ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci.nsIWindowWatcher); + ww.unregisterNotification(gWindowListener); + gWindowListener = null; + } + + // Remove button from all open windows + let wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator); + let winenu = wm.getEnumerator("navigator:browser"); + while (winenu.hasMoreElements()) { + let win = winenu.getNext(); + removeButton(win, id); + // If no more buttons exist, remove afterCustomize listener + if (buttonsList.size == 0) { + win.removeEventListener("aftercustomization", afterCustomize, false); + } + } + }, + + getNode: function(id, window) { + return window[id]; + } +}; + +exports.buttons = buttons; -- cgit v1.2.3