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authorMoonchild <mcwerewolf@gmail.com>2018-05-25 20:45:48 +0000
committerGitHub <noreply@github.com>2018-05-25 20:45:48 +0000
commit72bab89cf6c77c9ee95a977c306e6ce317b84835 (patch)
treeca3fcaa2a72700b85221b2fe75bb7d46d5d424ce /browser/base/content/social-content.js
parentd5459982f0d1bab08b751dc140c4cbe047032617 (diff)
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Revert "Remove the Social API"
Diffstat (limited to 'browser/base/content/social-content.js')
-rw-r--r--browser/base/content/social-content.js172
1 files changed, 172 insertions, 0 deletions
diff --git a/browser/base/content/social-content.js b/browser/base/content/social-content.js
new file mode 100644
index 000000000..b5fa6a5c4
--- /dev/null
+++ b/browser/base/content/social-content.js
@@ -0,0 +1,172 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* 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/. */
+
+/* This content script is intended for use by iframes in the share panel. */
+
+var {interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+// social frames are always treated as app tabs
+docShell.isAppTab = true;
+
+addEventListener("DOMContentLoaded", function(event) {
+ if (event.target != content.document)
+ return;
+ // Some share panels (e.g. twitter and facebook) check content.opener, and if
+ // it doesn't exist they act like they are in a browser tab. We want them to
+ // act like they are in a dialog (which is the typical case).
+ if (content && !content.opener) {
+ content.opener = content;
+ }
+ hookWindowClose();
+ disableDialogs();
+});
+
+addMessageListener("Social:OpenGraphData", (message) => {
+ let ev = new content.CustomEvent("OpenGraphData", { detail: JSON.stringify(message.data) });
+ content.dispatchEvent(ev);
+});
+
+addMessageListener("Social:ClearFrame", () => {
+ docShell.createAboutBlankContentViewer(null);
+});
+
+addEventListener("DOMWindowClose", (evt) => {
+ // preventDefault stops the default window.close() function being called,
+ // which doesn't actually close anything but causes things to get into
+ // a bad state (an internal 'closed' flag is set and debug builds start
+ // asserting as the window is used.).
+ // None of the windows we inject this API into are suitable for this
+ // default close behaviour, so even if we took no action above, we avoid
+ // the default close from doing anything.
+ evt.preventDefault();
+
+ // Tells the SocialShare class to close the panel
+ sendAsyncMessage("Social:DOMWindowClose");
+});
+
+function hookWindowClose() {
+ // Allow scripts to close the "window". Because we are in a panel and not
+ // in a full dialog, the DOMWindowClose listener above will only receive the
+ // event if we do this.
+ let dwu = content.QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIDOMWindowUtils);
+ dwu.allowScriptsToClose();
+}
+
+function disableDialogs() {
+ let windowUtils = content.QueryInterface(Ci.nsIInterfaceRequestor).
+ getInterface(Ci.nsIDOMWindowUtils);
+ windowUtils.disableDialogs();
+}
+
+// Error handling class used to listen for network errors in the social frames
+// and replace them with a social-specific error page
+const SocialErrorListener = {
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMEventListener,
+ Ci.nsIWebProgressListener,
+ Ci.nsISupportsWeakReference,
+ Ci.nsISupports]),
+
+ defaultTemplate: "about:socialerror?mode=tryAgainOnly&url=%{url}&origin=%{origin}",
+ urlTemplate: null,
+
+ init() {
+ addMessageListener("Social:SetErrorURL", this);
+ let webProgress = docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
+ .getInterface(Components.interfaces.nsIWebProgress);
+ webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_REQUEST |
+ Ci.nsIWebProgress.NOTIFY_LOCATION);
+ },
+
+ receiveMessage(message) {
+ switch (message.name) {
+ case "Social:SetErrorURL":
+ // Either a url or null to reset to default template.
+ this.urlTemplate = message.data.template;
+ break;
+ }
+ },
+
+ setErrorPage() {
+ // if this is about:providerdirectory, use the directory iframe
+ let frame = docShell.chromeEventHandler;
+ let origin = frame.getAttribute("origin");
+ let src = frame.getAttribute("src");
+ if (src == "about:providerdirectory") {
+ frame = content.document.getElementById("activation-frame");
+ src = frame.getAttribute("src");
+ }
+
+ let url = this.urlTemplate || this.defaultTemplate;
+ url = url.replace("%{url}", encodeURIComponent(src));
+ url = url.replace("%{origin}", encodeURIComponent(origin));
+ if (frame != docShell.chromeEventHandler) {
+ // Unable to access frame.docShell here. This is our own frame and doesn't
+ // provide reload, so we'll just set the src.
+ frame.setAttribute("src", url);
+ } else {
+ let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
+ webNav.loadURI(url, null, null, null, null);
+ }
+ sendAsyncMessage("Social:ErrorPageNotify", {
+ origin: origin,
+ url: src
+ });
+ },
+
+ onStateChange(aWebProgress, aRequest, aState, aStatus) {
+ let failure = false;
+ if ((aState & Ci.nsIWebProgressListener.STATE_IS_REQUEST))
+ return;
+ if ((aState & Ci.nsIWebProgressListener.STATE_STOP)) {
+ if (aRequest instanceof Ci.nsIHttpChannel) {
+ try {
+ // Change the frame to an error page on 4xx (client errors)
+ // and 5xx (server errors). responseStatus throws if it is not set.
+ failure = aRequest.responseStatus >= 400 &&
+ aRequest.responseStatus < 600;
+ } catch (e) {
+ failure = aStatus != Components.results.NS_OK;
+ }
+ }
+ }
+
+ // Calling cancel() will raise some OnStateChange notifications by itself,
+ // so avoid doing that more than once
+ if (failure && aStatus != Components.results.NS_BINDING_ABORTED) {
+ // if tp is enabled and we get a failure, ignore failures (ie. STATE_STOP)
+ // on child resources since they *may* have been blocked. We don't have an
+ // easy way to know if a particular url is blocked by TP, only that
+ // something was.
+ if (docShell.hasTrackingContentBlocked) {
+ let frame = docShell.chromeEventHandler;
+ let src = frame.getAttribute("src");
+ if (aRequest && aRequest.name != src) {
+ Cu.reportError("SocialErrorListener ignoring blocked content error for " + aRequest.name);
+ return;
+ }
+ }
+
+ aRequest.cancel(Components.results.NS_BINDING_ABORTED);
+ this.setErrorPage();
+ }
+ },
+
+ onLocationChange(aWebProgress, aRequest, aLocation, aFlags) {
+ if (aRequest && aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_ERROR_PAGE) {
+ aRequest.cancel(Components.results.NS_BINDING_ABORTED);
+ this.setErrorPage();
+ }
+ },
+
+ onProgressChange() {},
+ onStatusChange() {},
+ onSecurityChange() {},
+};
+
+SocialErrorListener.init();