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bootstrap.js
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bootstrap.js
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const Cu = Components.utils;
const Cc = Components.classes;
const Ci = Components.interfaces;
let trackedWindows;
let wObserver;
function startup() {
function isBrowserWindow(aWindow) {
let winType = aWindow.document.documentElement.getAttribute("windowtype");
return winType === "navigator:browser";
}
wObserver = {
observe: function(aSubject, aTopic, aData) {
if (aTopic == "domwindowopened") {
let window = aSubject.QueryInterface(Ci.nsIDOMWindow);
window.addEventListener("load", function winWatcherLoad() {
window.removeEventListener("load", winWatcherLoad, false);
if (isBrowserWindow(window)) {
JSTermManager.addControlsToWindow(window);
JSTermManager.trackTabs(window);
trackedWindows.add(window);
}
}, false);
} else if (aTopic == "domwindowclosed") {
let window = aSubject.QueryInterface(Ci.nsIDOMWindow);
JSTermManager.untrackTabs(window);
trackedWindows.delete(window);
}
},
}
let wWatcher = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci.nsIWindowWatcher);
let winEnum = wWatcher.getWindowEnumerator();
wWatcher.registerNotification(wObserver);
trackedWindows = new Set();
let winEnum = wWatcher.getWindowEnumerator();
while (winEnum.hasMoreElements()) {
let window = winEnum.getNext().QueryInterface(Ci.nsIDOMWindow);
if (isBrowserWindow(window)) {
JSTermManager.addControlsToWindow(window);
JSTermManager.trackTabs(window);
trackedWindows.add(window);
}
}
}
function shutdown() {
let wWatcher = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci.nsIWindowWatcher);
wWatcher.unregisterNotification(wObserver);
let winEnum = wWatcher.getWindowEnumerator();
while (winEnum.hasMoreElements()) {
let window = winEnum.getNext().QueryInterface(Ci.nsIDOMWindow);
if (trackedWindows && trackedWindows.has(window)) {
JSTermManager.removeControlsFromWindow(window);
JSTermManager.untrackTabs(window);
for (let b of window.gBrowser.browsers) {
JSTermManager.closeForBrowser(b);
}
}
}
trackedWindows = null;
wObserver = null;
}
function install() {}
function uninstall() {}
/* ----------- */
let JSTermManager = {
_map: new WeakMap(),
_listeners: new WeakMap(),
addControlsToWindow: function(aWindow) {
let doc = aWindow.document;
let button = doc.createElement("toolbarbutton");
button.setAttribute("label", "JSTerm");
button.className = "developer-toolbar-button";
button.id = "developer-toolbar-jsterm";
button.setAttribute("style", "-moz-image-region: rect(0, 16px, 16px, 0);");
button.addEventListener("command", function() {
let browser = aWindow.gBrowser.selectedBrowser;
this.toggleForBrowser(browser);
}.bind(this), true);
let toolbar = doc.querySelector("#developer-toolbar");
let before = doc.querySelector("#developer-toolbar-webconsole");
toolbar.insertBefore(button, before);
},
removeControlsFromWindow: function(aWindow) {
let button = aWindow.document.querySelector("#developer-toolbar-jsterm");
button.parentNode.removeChild(button);
},
trackTabs: function(aWindow) {
let tabs = aWindow.gBrowser.tabContainer;
let update = this.updateCheckboxStatus.bind(this, aWindow);
tabs.addEventListener("TabSelect", update, true);
this._listeners.set(aWindow, update);
aWindow.addEventListener("unload", function onClose(aEvent) {
tabs.removeEventListener("TabSelect", update, true);
aWindow.removeEventListener("unload", onClose, false);
}, false);
},
untrackTabs: function(aWindow) {
let tabs = aWindow.gBrowser.tabContainer;
let update = this._listeners.get(aWindow);
if (update) {
this._listeners.delete(aWindow);
tabs.removeEventListener("TabSelect", update, true);
}
},
isOpenForBrowser: function(aBrowser) {
return this._map.has(aBrowser);
},
toggleForBrowser: function(aBrowser) {
if (this.isOpenForBrowser(aBrowser)) {
this.closeForBrowser(aBrowser);
} else {
this.openForBrowser(aBrowser);
}
},
openForBrowser: function(aBrowser) {
if (this.isOpenForBrowser(aBrowser))
return;
let term = new JSTerm(aBrowser);
this._map.set(aBrowser, term);
this.updateCheckboxStatus(aBrowser.ownerDocument.defaultView);
},
closeForBrowser: function(aBrowser) {
let term = this._map.get(aBrowser);
if (!term)
return;
term.destroy();
this._map.delete(aBrowser);
this.updateCheckboxStatus(aBrowser.ownerDocument.defaultView);
},
updateCheckboxStatus: function(aWindow) {
let selectedBrowser = aWindow.gBrowser.selectedBrowser;
let checked = this.isOpenForBrowser(selectedBrowser);
let button = aWindow.document.querySelector("#developer-toolbar-jsterm");
if (checked)
button.setAttribute("checked", "true");
else
button.setAttribute("checked", "false");
},
}
function JSTerm(aBrowser, aManager) {
this.browser = aBrowser;
this.chromeDoc = aBrowser.ownerDocument;
this.chromeWin = this.chromeDoc.defaultView;
this.buildUI();
}
JSTerm.prototype = {
buildUI: function() {
let nbox = this.chromeWin.gBrowser.getNotificationBox(this.browser);
let doc = this.chromeDoc;
let splitter = doc.createElement("splitter");
splitter.className = "devtools-horizontal-splitter jsterm-splitter";
let container = doc.createElement("vbox");
container.setAttribute("flex", "1");
container.className = "jsterm-container";
container.height = 200;
let iframe = doc.createElement("iframe");
iframe.setAttribute("src", "chrome://jsterm/content/jsterm.xul");
iframe.setAttribute("flex", "1")
container.appendChild(iframe);
nbox.appendChild(splitter);
nbox.appendChild(container);
iframe.contentWindow.onload = function() {
iframe.contentWindow.JSTermUI.init(JSTermManager,
this.browser,
this.browser.contentWindow,
this.chromeWin);
}.bind(this);
},
destroy: function() {
let nbox = this.chromeWin.gBrowser.getNotificationBox(this.browser);
let container = nbox.querySelector(".jsterm-container");
let splitter = nbox.querySelector(".jsterm-splitter");
splitter.parentNode.removeChild(splitter);
container.parentNode.removeChild(container);
this.browser = null;
this.chromeDoc = null;
this.chromeWin = null;
}
}