зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.2 KiB
JavaScript
106 строки
3.2 KiB
JavaScript
var Ci = Components.interfaces;
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function getWindowId(window)
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{
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return window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils)
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.outerWindowID;
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}
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function getParentWindowId(window)
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{
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return getWindowId(window.parent);
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}
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function loadListener(event)
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{
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let document = event.target;
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let window = document.defaultView;
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let url = document.documentURI;
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let windowId = getWindowId(window);
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let parentWindowId = getParentWindowId(window);
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sendAsyncMessage("Extension:DOMContentLoaded", {windowId, parentWindowId, url});
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}
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addEventListener("DOMContentLoaded", loadListener);
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addMessageListener("Extension:DisableWebNavigation", () => {
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removeEventListener("DOMContentLoaded", loadListener);
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});
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var WebProgressListener = {
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init: function() {
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_WINDOW |
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Ci.nsIWebProgress.NOTIFY_LOCATION);
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},
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uninit() {
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if (!docShell) {
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return;
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}
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.removeProgressListener(this);
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},
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onStateChange: function onStateChange(webProgress, request, stateFlags, status) {
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let data = {
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requestURL: request.QueryInterface(Ci.nsIChannel).URI.spec,
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windowId: webProgress.DOMWindowID,
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parentWindowId: getParentWindowId(webProgress.DOMWindow),
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status,
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stateFlags,
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};
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sendAsyncMessage("Extension:StateChange", data);
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if (webProgress.DOMWindow.top != webProgress.DOMWindow) {
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let webNav = webProgress.QueryInterface(Ci.nsIWebNavigation);
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if (!webNav.canGoBack) {
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// For some reason we don't fire onLocationChange for the
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// initial navigation of a sub-frame. So we need to simulate
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// it here.
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let data = {
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location: request.QueryInterface(Ci.nsIChannel).URI.spec,
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windowId: webProgress.DOMWindowID,
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parentWindowId: getParentWindowId(webProgress.DOMWindow),
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flags: 0,
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};
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sendAsyncMessage("Extension:LocationChange", data);
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}
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}
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},
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onLocationChange: function onLocationChange(webProgress, request, locationURI, flags) {
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let data = {
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location: locationURI ? locationURI.spec : "",
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windowId: webProgress.DOMWindowID,
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parentWindowId: getParentWindowId(webProgress.DOMWindow),
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flags,
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};
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sendAsyncMessage("Extension:LocationChange", data);
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},
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QueryInterface: function QueryInterface(aIID) {
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if (aIID.equals(Ci.nsIWebProgressListener) ||
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aIID.equals(Ci.nsISupportsWeakReference) ||
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aIID.equals(Ci.nsISupports)) {
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return this;
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}
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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};
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var disabled = false;
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WebProgressListener.init();
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addEventListener("unload", () => {
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if (!disabled) {
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WebProgressListener.uninit();
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}
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});
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addMessageListener("Extension:DisableWebNavigation", () => {
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disabled = true;
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WebProgressListener.uninit();
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});
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