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-rw-r--r--application/basilisk/base/content/content.js1448
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diff --git a/application/basilisk/base/content/content.js b/application/basilisk/base/content/content.js
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index 54011a704..000000000
--- a/application/basilisk/base/content/content.js
+++ /dev/null
@@ -1,1448 +0,0 @@
-/* -*- 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 should work in any browser or iframe and should not
- * depend on the frame being contained in tabbrowser. */
-
-var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource:///modules/ContentWebRTC.jsm");
-Cu.import("resource:///modules/ContentObservers.jsm");
-Cu.import("resource://gre/modules/InlineSpellChecker.jsm");
-Cu.import("resource://gre/modules/InlineSpellCheckerContent.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "E10SUtils",
- "resource:///modules/E10SUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
- "resource://gre/modules/BrowserUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "ContentLinkHandler",
- "resource:///modules/ContentLinkHandler.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "LoginManagerContent",
- "resource://gre/modules/LoginManagerContent.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "LoginFormFactory",
- "resource://gre/modules/LoginManagerContent.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "InsecurePasswordUtils",
- "resource://gre/modules/InsecurePasswordUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PluginContent",
- "resource:///modules/PluginContent.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
- "resource://gre/modules/PrivateBrowsingUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "FormSubmitObserver",
- "resource:///modules/FormSubmitObserver.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PageMetadata",
- "resource://gre/modules/PageMetadata.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PlacesUIUtils",
- "resource:///modules/PlacesUIUtils.jsm");
-XPCOMUtils.defineLazyGetter(this, "PageMenuChild", function() {
- let tmp = {};
- Cu.import("resource://gre/modules/PageMenu.jsm", tmp);
- return new tmp.PageMenuChild();
-});
-XPCOMUtils.defineLazyModuleGetter(this, "Feeds",
- "resource:///modules/Feeds.jsm");
-
-Cu.importGlobalProperties(["URL"]);
-
-// TabChildGlobal
-var global = this;
-
-// Load the form validation popup handler
-var formSubmitObserver = new FormSubmitObserver(content, this);
-
-addMessageListener("ContextMenu:DoCustomCommand", function(message) {
- E10SUtils.wrapHandlingUserInput(
- content, message.data.handlingUserInput,
- () => PageMenuChild.executeMenu(message.data.generatedItemId));
-});
-
-addMessageListener("RemoteLogins:fillForm", function(message) {
- LoginManagerContent.receiveMessage(message, content);
-});
-addEventListener("DOMFormHasPassword", function(event) {
- LoginManagerContent.onDOMFormHasPassword(event, content);
- let formLike = LoginFormFactory.createFromForm(event.target);
- InsecurePasswordUtils.reportInsecurePasswords(formLike);
-});
-addEventListener("DOMInputPasswordAdded", function(event) {
- LoginManagerContent.onDOMInputPasswordAdded(event, content);
- let formLike = LoginFormFactory.createFromField(event.target);
- InsecurePasswordUtils.reportInsecurePasswords(formLike);
-});
-addEventListener("pageshow", function(event) {
- LoginManagerContent.onPageShow(event, content);
-});
-addEventListener("DOMAutoComplete", function(event) {
- LoginManagerContent.onUsernameInput(event);
-});
-addEventListener("blur", function(event) {
- LoginManagerContent.onUsernameInput(event);
-});
-
-var handleContentContextMenu = function(event) {
- let defaultPrevented = event.defaultPrevented;
- if (!Services.prefs.getBoolPref("dom.event.contextmenu.enabled")) {
- let plugin = null;
- try {
- plugin = event.target.QueryInterface(Ci.nsIObjectLoadingContent);
- } catch (e) {}
- if (plugin && plugin.displayedType == Ci.nsIObjectLoadingContent.TYPE_PLUGIN) {
- // Don't open a context menu for plugins.
- return;
- }
-
- defaultPrevented = false;
- }
-
- if (defaultPrevented)
- return;
-
- let addonInfo = {};
- let subject = {
- event,
- addonInfo,
- };
- subject.wrappedJSObject = subject;
- Services.obs.notifyObservers(subject, "content-contextmenu", null);
-
- let doc = event.target.ownerDocument;
- let docLocation = doc.mozDocumentURIIfNotForErrorPages;
- docLocation = docLocation && docLocation.spec;
- let charSet = doc.characterSet;
- let baseURI = doc.baseURI;
- let referrer = doc.referrer;
- let referrerPolicy = doc.referrerPolicy;
- let frameOuterWindowID = doc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIDOMWindowUtils)
- .outerWindowID;
- let loginFillInfo = LoginManagerContent.getFieldContext(event.target);
-
- // The same-origin check will be done in nsContextMenu.openLinkInTab.
- let parentAllowsMixedContent = !!docShell.mixedContentChannel;
-
- // get referrer attribute from clicked link and parse it
- // if per element referrer is enabled, the element referrer overrules
- // the document wide referrer
- if (Services.prefs.getBoolPref("network.http.enablePerElementReferrer")) {
- let referrerAttrValue = Services.netUtils.parseAttributePolicyString(event.target.
- getAttribute("referrerpolicy"));
- if (referrerAttrValue !== Ci.nsIHttpChannel.REFERRER_POLICY_UNSET) {
- referrerPolicy = referrerAttrValue;
- }
- }
-
- let disableSetDesktopBg = null;
- // Media related cache info parent needs for saving
- let contentType = null;
- let contentDisposition = null;
- if (event.target.nodeType == Ci.nsIDOMNode.ELEMENT_NODE &&
- event.target instanceof Ci.nsIImageLoadingContent &&
- event.target.currentURI) {
- disableSetDesktopBg = disableSetDesktopBackground(event.target);
-
- try {
- let imageCache =
- Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
- .getImgCacheForDocument(doc);
- let props =
- imageCache.findEntryProperties(event.target.currentURI, doc);
- try {
- contentType = props.get("type", Ci.nsISupportsCString).data;
- } catch (e) {}
- try {
- contentDisposition =
- props.get("content-disposition", Ci.nsISupportsCString).data;
- } catch (e) {}
- } catch (e) {}
- }
-
- let selectionInfo = BrowserUtils.getSelectionDetails(content);
-
- let loadContext = docShell.QueryInterface(Ci.nsILoadContext);
- let userContextId = loadContext.originAttributes.userContextId;
-
- if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
- let editFlags = SpellCheckHelper.isEditable(event.target, content);
- let spellInfo;
- if (editFlags &
- (SpellCheckHelper.EDITABLE | SpellCheckHelper.CONTENTEDITABLE)) {
- spellInfo =
- InlineSpellCheckerContent.initContextMenu(event, editFlags, this);
- }
-
- // Set the event target first as the copy image command needs it to
- // determine what was context-clicked on. Then, update the state of the
- // commands on the context menu.
- docShell.contentViewer.QueryInterface(Ci.nsIContentViewerEdit)
- .setCommandNode(event.target);
- event.target.ownerGlobal.updateCommands("contentcontextmenu");
-
- let customMenuItems = PageMenuChild.build(event.target);
- let principal = doc.nodePrincipal;
- sendRpcMessage("contextmenu",
- { editFlags, spellInfo, customMenuItems, addonInfo,
- principal, docLocation, charSet, baseURI, referrer,
- referrerPolicy, contentType, contentDisposition,
- frameOuterWindowID, selectionInfo, disableSetDesktopBg,
- loginFillInfo, parentAllowsMixedContent, userContextId },
- { event, popupNode: event.target });
- } else {
- // Break out to the parent window and pass the add-on info along
- let browser = docShell.chromeEventHandler;
- let mainWin = browser.ownerGlobal;
- mainWin.gContextMenuContentData = {
- isRemote: false,
- event,
- popupNode: event.target,
- browser,
- addonInfo,
- documentURIObject: doc.documentURIObject,
- docLocation,
- charSet,
- referrer,
- referrerPolicy,
- contentType,
- contentDisposition,
- selectionInfo,
- disableSetDesktopBackground: disableSetDesktopBg,
- loginFillInfo,
- parentAllowsMixedContent,
- userContextId,
- };
- }
-}
-
-Cc["@mozilla.org/eventlistenerservice;1"]
- .getService(Ci.nsIEventListenerService)
- .addSystemEventListener(global, "contextmenu", handleContentContextMenu, false);
-
-// Values for telemtery bins: see TLS_ERROR_REPORT_UI in Histograms.json
-const TLS_ERROR_REPORT_TELEMETRY_UI_SHOWN = 0;
-const TLS_ERROR_REPORT_TELEMETRY_EXPANDED = 1;
-const TLS_ERROR_REPORT_TELEMETRY_SUCCESS = 6;
-const TLS_ERROR_REPORT_TELEMETRY_FAILURE = 7;
-
-const SEC_ERROR_BASE = Ci.nsINSSErrorsService.NSS_SEC_ERROR_BASE;
-const MOZILLA_PKIX_ERROR_BASE = Ci.nsINSSErrorsService.MOZILLA_PKIX_ERROR_BASE;
-
-const SEC_ERROR_EXPIRED_CERTIFICATE = SEC_ERROR_BASE + 11;
-const SEC_ERROR_UNKNOWN_ISSUER = SEC_ERROR_BASE + 13;
-const SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE = SEC_ERROR_BASE + 30;
-const SEC_ERROR_OCSP_FUTURE_RESPONSE = SEC_ERROR_BASE + 131;
-const SEC_ERROR_OCSP_OLD_RESPONSE = SEC_ERROR_BASE + 132;
-const MOZILLA_PKIX_ERROR_NOT_YET_VALID_CERTIFICATE = MOZILLA_PKIX_ERROR_BASE + 5;
-const MOZILLA_PKIX_ERROR_NOT_YET_VALID_ISSUER_CERTIFICATE = MOZILLA_PKIX_ERROR_BASE + 6;
-
-const PREF_BLOCKLIST_CLOCK_SKEW_SECONDS = "services.blocklist.clock_skew_seconds";
-
-const PREF_SSL_IMPACT_ROOTS = ["security.tls.version.", "security.ssl3."];
-
-const PREF_SSL_IMPACT = PREF_SSL_IMPACT_ROOTS.reduce((prefs, root) => {
- return prefs.concat(Services.prefs.getChildList(root));
-}, []);
-
-
-function getSerializedSecurityInfo(docShell) {
- let serhelper = Cc["@mozilla.org/network/serialization-helper;1"]
- .getService(Ci.nsISerializationHelper);
-
- let securityInfo = docShell.failedChannel && docShell.failedChannel.securityInfo;
- if (!securityInfo) {
- return "";
- }
- securityInfo.QueryInterface(Ci.nsITransportSecurityInfo)
- .QueryInterface(Ci.nsISerializable);
-
- return serhelper.serializeToString(securityInfo);
-}
-
-var AboutNetAndCertErrorListener = {
- init(chromeGlobal) {
- addMessageListener("CertErrorDetails", this);
- addMessageListener("Browser:CaptivePortalFreed", this);
- chromeGlobal.addEventListener("AboutNetErrorLoad", this, false, true);
- chromeGlobal.addEventListener("AboutNetErrorOpenCaptivePortal", this, false, true);
- chromeGlobal.addEventListener("AboutNetErrorSetAutomatic", this, false, true);
- chromeGlobal.addEventListener("AboutNetErrorOverride", this, false, true);
- chromeGlobal.addEventListener("AboutNetErrorResetPreferences", this, false, true);
- },
-
- get isAboutNetError() {
- return content.document.documentURI.startsWith("about:neterror");
- },
-
- get isAboutCertError() {
- return content.document.documentURI.startsWith("about:certerror");
- },
-
- receiveMessage(msg) {
- if (!this.isAboutCertError) {
- return;
- }
-
- switch (msg.name) {
- case "CertErrorDetails":
- this.onCertErrorDetails(msg);
- break;
- case "Browser:CaptivePortalFreed":
- this.onCaptivePortalFreed(msg);
- break;
- }
- },
-
- onCertErrorDetails(msg) {
- let div = content.document.getElementById("certificateErrorText");
- div.textContent = msg.data.info;
- let learnMoreLink = content.document.getElementById("learnMoreLink");
- let baseURL = Services.urlFormatter.formatURLPref("app.support.baseURL");
-
- switch (msg.data.code) {
- case SEC_ERROR_UNKNOWN_ISSUER:
- learnMoreLink.href = baseURL + "security-error";
- break;
-
- // In case the certificate expired we make sure the system clock
- // is not before the build date.
- case SEC_ERROR_EXPIRED_CERTIFICATE:
- case SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE:
- case SEC_ERROR_OCSP_FUTURE_RESPONSE:
- case SEC_ERROR_OCSP_OLD_RESPONSE:
- case MOZILLA_PKIX_ERROR_NOT_YET_VALID_CERTIFICATE:
- case MOZILLA_PKIX_ERROR_NOT_YET_VALID_ISSUER_CERTIFICATE:
-
- let appBuildID = Services.appinfo.appBuildID;
-
- let year = parseInt(appBuildID.substr(0, 4), 10);
- let month = parseInt(appBuildID.substr(4, 2), 10) - 1;
- let day = parseInt(appBuildID.substr(6, 2), 10);
-
- let buildDate = new Date(year, month, day);
- let systemDate = new Date();
-
- if (buildDate > systemDate) {
- let formatter = new Intl.DateTimeFormat();
-
- content.document.getElementById("wrongSystemTimeWithoutReference_URL")
- .textContent = content.document.location.hostname;
- content.document.getElementById("wrongSystemTimeWithoutReference_systemDate")
- .textContent = formatter.format(systemDate);
-
- content.document.getElementById("errorShortDesc")
- .style.display = "none";
- content.document.getElementById("wrongSystemTimeWithoutReferencePanel")
- .style.display = "block";
- }
- learnMoreLink.href = baseURL + "time-errors";
- break;
- }
- },
-
- onCaptivePortalFreed(msg) {
- content.dispatchEvent(new content.CustomEvent("AboutNetErrorCaptivePortalFreed"));
- },
-
- handleEvent(aEvent) {
- if (!this.isAboutNetError && !this.isAboutCertError) {
- return;
- }
-
- switch (aEvent.type) {
- case "AboutNetErrorLoad":
- this.onPageLoad(aEvent);
- break;
- case "AboutNetErrorOpenCaptivePortal":
- this.openCaptivePortalPage(aEvent);
- break;
- case "AboutNetErrorSetAutomatic":
- this.onSetAutomatic(aEvent);
- break;
- case "AboutNetErrorOverride":
- this.onOverride(aEvent);
- break;
- case "AboutNetErrorResetPreferences":
- this.onResetPreferences(aEvent);
- break;
- }
- },
-
- changedCertPrefs() {
- for (let prefName of PREF_SSL_IMPACT) {
- if (Services.prefs.prefHasUserValue(prefName)) {
- return true;
- }
- }
-
- return false;
- },
-
- onPageLoad(evt) {
- if (this.isAboutCertError) {
- let originalTarget = evt.originalTarget;
- let ownerDoc = originalTarget.ownerDocument;
- ClickEventHandler.onCertError(originalTarget, ownerDoc);
- }
-
- let automatic = Services.prefs.getBoolPref("security.ssl.errorReporting.automatic");
- content.dispatchEvent(new content.CustomEvent("AboutNetErrorOptions", {
- detail: JSON.stringify({
- enabled: Services.prefs.getBoolPref("security.ssl.errorReporting.enabled"),
- changedCertPrefs: this.changedCertPrefs(),
- automatic
- })
- }));
-
- sendAsyncMessage("Browser:SSLErrorReportTelemetry",
- {reportStatus: TLS_ERROR_REPORT_TELEMETRY_UI_SHOWN});
- },
-
- openCaptivePortalPage(evt) {
- sendAsyncMessage("Browser:OpenCaptivePortalPage");
- },
-
-
- onResetPreferences(evt) {
- sendAsyncMessage("Browser:ResetSSLPreferences");
- },
-
- onSetAutomatic(evt) {
- sendAsyncMessage("Browser:SetSSLErrorReportAuto", {
- automatic: evt.detail
- });
-
- // if we're enabling reports, send a report for this failure
- if (evt.detail) {
- let {host, port} = content.document.mozDocumentURIIfNotForErrorPages;
- sendAsyncMessage("Browser:SendSSLErrorReport", {
- uri: { host, port },
- securityInfo: getSerializedSecurityInfo(docShell),
- });
-
- }
- },
-
- onOverride(evt) {
- let {host, port} = content.document.mozDocumentURIIfNotForErrorPages;
- sendAsyncMessage("Browser:OverrideWeakCrypto", { uri: {host, port} });
- }
-}
-
-AboutNetAndCertErrorListener.init(this);
-
-
-var ClickEventHandler = {
- init: function init() {
- Cc["@mozilla.org/eventlistenerservice;1"]
- .getService(Ci.nsIEventListenerService)
- .addSystemEventListener(global, "click", this, true);
- },
-
- handleEvent(event) {
- if (!event.isTrusted || event.defaultPrevented || event.button == 2) {
- return;
- }
-
- let originalTarget = event.originalTarget;
- let ownerDoc = originalTarget.ownerDocument;
- if (!ownerDoc) {
- return;
- }
-
- // Handle click events from about pages
- if (ownerDoc.documentURI.startsWith("about:certerror")) {
- this.onCertError(originalTarget, ownerDoc);
- return;
- } else if (ownerDoc.documentURI.startsWith("about:blocked")) {
- this.onAboutBlocked(originalTarget, ownerDoc);
- return;
- } else if (ownerDoc.documentURI.startsWith("about:neterror")) {
- this.onAboutNetError(event, ownerDoc.documentURI);
- return;
- }
-
- let [href, node, principal] = this._hrefAndLinkNodeForClickEvent(event);
-
- // get referrer attribute from clicked link and parse it
- // if per element referrer is enabled, the element referrer overrules
- // the document wide referrer
- let referrerPolicy = ownerDoc.referrerPolicy;
- if (Services.prefs.getBoolPref("network.http.enablePerElementReferrer") &&
- node) {
- let referrerAttrValue = Services.netUtils.parseAttributePolicyString(node.
- getAttribute("referrerpolicy"));
- if (referrerAttrValue !== Ci.nsIHttpChannel.REFERRER_POLICY_UNSET) {
- referrerPolicy = referrerAttrValue;
- }
- }
-
- let json = { button: event.button, shiftKey: event.shiftKey,
- ctrlKey: event.ctrlKey, metaKey: event.metaKey,
- altKey: event.altKey, href: null, title: null,
- bookmark: false, referrerPolicy,
- triggeringPrincipal: principal,
- originAttributes: principal ? principal.originAttributes : {},
- isContentWindowPrivate: PrivateBrowsingUtils.isContentWindowPrivate(ownerDoc.defaultView)};
-
- if (href) {
- try {
- BrowserUtils.urlSecurityCheck(href, principal);
- } catch (e) {
- return;
- }
-
- json.href = href;
- if (node) {
- json.title = node.getAttribute("title");
- if (event.button == 0 && !event.ctrlKey && !event.shiftKey &&
- !event.altKey && !event.metaKey) {
- json.bookmark = node.getAttribute("rel") == "sidebar";
- if (json.bookmark) {
- event.preventDefault(); // Need to prevent the pageload.
- }
- }
- }
- json.noReferrer = BrowserUtils.linkHasNoReferrer(node)
-
- // Check if the link needs to be opened with mixed content allowed.
- // Only when the owner doc has |mixedContentChannel| and the same origin
- // should we allow mixed content.
- json.allowMixedContent = false;
- let docshell = ownerDoc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIWebNavigation)
- .QueryInterface(Ci.nsIDocShell);
- if (docShell.mixedContentChannel) {
- const sm = Services.scriptSecurityManager;
- try {
- let targetURI = BrowserUtils.makeURI(href);
- sm.checkSameOriginURI(docshell.mixedContentChannel.URI, targetURI, false);
- json.allowMixedContent = true;
- } catch (e) {}
- }
- json.originPrincipal = ownerDoc.nodePrincipal;
-
- sendAsyncMessage("Content:Click", json);
- return;
- }
-
- // This might be middle mouse navigation.
- if (event.button == 1) {
- sendAsyncMessage("Content:Click", json);
- }
- },
-
- onCertError(targetElement, ownerDoc) {
- let docShell = ownerDoc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIWebNavigation)
- .QueryInterface(Ci.nsIDocShell);
- sendAsyncMessage("Browser:CertExceptionError", {
- location: ownerDoc.location.href,
- elementId: targetElement.getAttribute("id"),
- isTopFrame: (ownerDoc.defaultView.parent === ownerDoc.defaultView),
- securityInfoAsString: getSerializedSecurityInfo(docShell),
- });
- },
-
- onAboutBlocked(targetElement, ownerDoc) {
- var reason = "phishing";
- if (/e=malwareBlocked/.test(ownerDoc.documentURI)) {
- reason = "malware";
- } else if (/e=unwantedBlocked/.test(ownerDoc.documentURI)) {
- reason = "unwanted";
- }
- sendAsyncMessage("Browser:SiteBlockedError", {
- location: ownerDoc.location.href,
- reason,
- elementId: targetElement.getAttribute("id"),
- isTopFrame: (ownerDoc.defaultView.parent === ownerDoc.defaultView)
- });
- },
-
- onAboutNetError(event, documentURI) {
- let elmId = event.originalTarget.getAttribute("id");
- if (elmId == "returnButton") {
- sendAsyncMessage("Browser:SSLErrorGoBack", {});
- return;
- }
- if (elmId != "errorTryAgain" || !/e=netOffline/.test(documentURI)) {
- return;
- }
- // browser front end will handle clearing offline mode and refreshing
- // the page *if* we're in offline mode now. Otherwise let the error page
- // handle the click.
- if (Services.io.offline) {
- event.preventDefault();
- sendAsyncMessage("Browser:EnableOnlineMode", {});
- }
- },
-
- /**
- * Extracts linkNode and href for the current click target.
- *
- * @param event
- * The click event.
- * @return [href, linkNode, linkPrincipal].
- *
- * @note linkNode will be null if the click wasn't on an anchor
- * element. This includes SVG links, because callers expect |node|
- * to behave like an <a> element, which SVG links (XLink) don't.
- */
- _hrefAndLinkNodeForClickEvent(event) {
- function isHTMLLink(aNode) {
- // Be consistent with what nsContextMenu.js does.
- return ((aNode instanceof content.HTMLAnchorElement && aNode.href) ||
- (aNode instanceof content.HTMLAreaElement && aNode.href) ||
- aNode instanceof content.HTMLLinkElement);
- }
-
- let node = event.target;
- while (node && !isHTMLLink(node)) {
- node = node.parentNode;
- }
-
- if (node)
- return [node.href, node, node.ownerDocument.nodePrincipal];
-
- // If there is no linkNode, try simple XLink.
- let href, baseURI;
- node = event.target;
- while (node && !href) {
- if (node.nodeType == content.Node.ELEMENT_NODE &&
- (node.localName == "a" ||
- node.namespaceURI == "http://www.w3.org/1998/Math/MathML")) {
- href = node.getAttribute("href") ||
- node.getAttributeNS("http://www.w3.org/1999/xlink", "href");
- if (href) {
- baseURI = node.ownerDocument.baseURIObject;
- break;
- }
- }
- node = node.parentNode;
- }
-
- // In case of XLink, we don't return the node we got href from since
- // callers expect <a>-like elements.
- // Note: makeURI() will throw if aUri is not a valid URI.
- return [href ? BrowserUtils.makeURI(href, null, baseURI).spec : null, null,
- node && node.ownerDocument.nodePrincipal];
- }
-};
-ClickEventHandler.init();
-
-ContentLinkHandler.init(this);
-
-// TODO: Load this lazily so the JSM is run only if a relevant event/message fires.
-var pluginContent = new PluginContent(global);
-
-addEventListener("DOMWebNotificationClicked", function(event) {
- sendAsyncMessage("DOMWebNotificationClicked", {});
-}, false);
-
-addEventListener("DOMServiceWorkerFocusClient", function(event) {
- sendAsyncMessage("DOMServiceWorkerFocusClient", {});
-}, false);
-
-ContentWebRTC.init();
-addMessageListener("rtcpeer:Allow", ContentWebRTC);
-addMessageListener("rtcpeer:Deny", ContentWebRTC);
-addMessageListener("webrtc:Allow", ContentWebRTC);
-addMessageListener("webrtc:Deny", ContentWebRTC);
-addMessageListener("webrtc:StopSharing", ContentWebRTC);
-addMessageListener("webrtc:StartBrowserSharing", () => {
- let windowID = content.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIDOMWindowUtils).outerWindowID;
- sendAsyncMessage("webrtc:response:StartBrowserSharing", {
- windowID
- });
-});
-
-addEventListener("pageshow", function(event) {
- if (event.target == content.document) {
- sendAsyncMessage("PageVisibility:Show", {
- persisted: event.persisted,
- });
- }
-});
-addEventListener("pagehide", function(event) {
- if (event.target == content.document) {
- sendAsyncMessage("PageVisibility:Hide", {
- persisted: event.persisted,
- });
- }
-});
-
-var PageMetadataMessenger = {
- init() {
- addMessageListener("PageMetadata:GetPageData", this);
- addMessageListener("PageMetadata:GetMicroformats", this);
- },
- receiveMessage(message) {
- switch (message.name) {
- case "PageMetadata:GetPageData": {
- let target = message.objects.target;
- let result = PageMetadata.getData(content.document, target);
- sendAsyncMessage("PageMetadata:PageDataResult", result);
- break;
- }
- case "PageMetadata:GetMicroformats": {
- let target = message.objects.target;
- let result = PageMetadata.getMicroformats(content.document, target);
- sendAsyncMessage("PageMetadata:MicroformatsResult", result);
- break;
- }
- }
- }
-}
-PageMetadataMessenger.init();
-
-addMessageListener("ContextMenu:SaveVideoFrameAsImage", (message) => {
- let video = message.objects.target;
- let canvas = content.document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
- canvas.width = video.videoWidth;
- canvas.height = video.videoHeight;
-
- let ctxDraw = canvas.getContext("2d");
- ctxDraw.drawImage(video, 0, 0);
- sendAsyncMessage("ContextMenu:SaveVideoFrameAsImage:Result", {
- dataURL: canvas.toDataURL("image/jpeg", ""),
- });
-});
-
-addMessageListener("ContextMenu:MediaCommand", (message) => {
- E10SUtils.wrapHandlingUserInput(
- content, message.data.handlingUserInput,
- () => {
- let media = message.objects.element;
- switch (message.data.command) {
- case "play":
- media.play();
- break;
- case "pause":
- media.pause();
- break;
- case "loop":
- media.loop = !media.loop;
- break;
- case "mute":
- media.muted = true;
- break;
- case "unmute":
- media.muted = false;
- break;
- case "playbackRate":
- media.playbackRate = message.data.data;
- break;
- case "hidecontrols":
- media.removeAttribute("controls");
- break;
- case "showcontrols":
- media.setAttribute("controls", "true");
- break;
- case "fullscreen":
- if (content.document.fullscreenEnabled)
- media.requestFullscreen();
- break;
- }
- });
-});
-
-addMessageListener("ContextMenu:Canvas:ToBlobURL", (message) => {
- message.objects.target.toBlob((blob) => {
- let blobURL = URL.createObjectURL(blob);
- sendAsyncMessage("ContextMenu:Canvas:ToBlobURL:Result", { blobURL });
- });
-});
-
-addMessageListener("ContextMenu:ReloadFrame", (message) => {
- message.objects.target.ownerDocument.location.reload();
-});
-
-addMessageListener("ContextMenu:ReloadImage", (message) => {
- let image = message.objects.target;
- if (image instanceof Ci.nsIImageLoadingContent)
- image.forceReload();
-});
-
-addMessageListener("ContextMenu:BookmarkFrame", (message) => {
- let frame = message.objects.target.ownerDocument;
- sendAsyncMessage("ContextMenu:BookmarkFrame:Result",
- { title: frame.title,
- description: PlacesUIUtils.getDescriptionFromDocument(frame) });
-});
-
-addMessageListener("ContextMenu:SearchFieldBookmarkData", (message) => {
- let node = message.objects.target;
-
- let charset = node.ownerDocument.characterSet;
-
- let formBaseURI = BrowserUtils.makeURI(node.form.baseURI,
- charset);
-
- let formURI = BrowserUtils.makeURI(node.form.getAttribute("action"),
- charset,
- formBaseURI);
-
- let spec = formURI.spec;
-
- let isURLEncoded =
- (node.form.method.toUpperCase() == "POST"
- && (node.form.enctype == "application/x-www-form-urlencoded" ||
- node.form.enctype == ""));
-
- let title = node.ownerDocument.title;
- let description = PlacesUIUtils.getDescriptionFromDocument(node.ownerDocument);
-
- let formData = [];
-
- function escapeNameValuePair(aName, aValue, aIsFormUrlEncoded) {
- if (aIsFormUrlEncoded) {
- return escape(aName + "=" + aValue);
- }
- return escape(aName) + "=" + escape(aValue);
- }
-
- for (let el of node.form.elements) {
- if (!el.type) // happens with fieldsets
- continue;
-
- if (el == node) {
- formData.push((isURLEncoded) ? escapeNameValuePair(el.name, "%s", true) :
- // Don't escape "%s", just append
- escapeNameValuePair(el.name, "", false) + "%s");
- continue;
- }
-
- let type = el.type.toLowerCase();
-
- if (((el instanceof content.HTMLInputElement && el.mozIsTextField(true)) ||
- type == "hidden" || type == "textarea") ||
- ((type == "checkbox" || type == "radio") && el.checked)) {
- formData.push(escapeNameValuePair(el.name, el.value, isURLEncoded));
- } else if (el instanceof content.HTMLSelectElement && el.selectedIndex >= 0) {
- for (let j = 0; j < el.options.length; j++) {
- if (el.options[j].selected)
- formData.push(escapeNameValuePair(el.name, el.options[j].value,
- isURLEncoded));
- }
- }
- }
-
- let postData;
-
- if (isURLEncoded)
- postData = formData.join("&");
- else {
- let separator = spec.includes("?") ? "&" : "?";
- spec += separator + formData.join("&");
- }
-
- sendAsyncMessage("ContextMenu:SearchFieldBookmarkData:Result",
- { spec, title, description, postData, charset });
-});
-
-addMessageListener("Bookmarks:GetPageDetails", (message) => {
- let doc = content.document;
- let isErrorPage = /^about:(neterror|certerror|blocked)/.test(doc.documentURI);
- sendAsyncMessage("Bookmarks:GetPageDetails:Result",
- { isErrorPage,
- description: PlacesUIUtils.getDescriptionFromDocument(doc) });
-});
-
-var LightWeightThemeWebInstallListener = {
- _previewWindow: null,
-
- init() {
- addEventListener("InstallBrowserTheme", this, false, true);
- addEventListener("PreviewBrowserTheme", this, false, true);
- addEventListener("ResetBrowserThemePreview", this, false, true);
- },
-
- handleEvent(event) {
- switch (event.type) {
- case "InstallBrowserTheme": {
- sendAsyncMessage("LightWeightThemeWebInstaller:Install", {
- baseURI: event.target.baseURI,
- themeData: event.target.getAttribute("data-browsertheme"),
- });
- break;
- }
- case "PreviewBrowserTheme": {
- sendAsyncMessage("LightWeightThemeWebInstaller:Preview", {
- baseURI: event.target.baseURI,
- themeData: event.target.getAttribute("data-browsertheme"),
- });
- this._previewWindow = event.target.ownerGlobal;
- this._previewWindow.addEventListener("pagehide", this, true);
- break;
- }
- case "pagehide": {
- sendAsyncMessage("LightWeightThemeWebInstaller:ResetPreview");
- this._resetPreviewWindow();
- break;
- }
- case "ResetBrowserThemePreview": {
- if (this._previewWindow) {
- sendAsyncMessage("LightWeightThemeWebInstaller:ResetPreview",
- {baseURI: event.target.baseURI});
- this._resetPreviewWindow();
- }
- break;
- }
- }
- },
-
- _resetPreviewWindow() {
- this._previewWindow.removeEventListener("pagehide", this, true);
- this._previewWindow = null;
- }
-};
-
-LightWeightThemeWebInstallListener.init();
-
-function disableSetDesktopBackground(aTarget) {
- // Disable the Set as Desktop Background menu item if we're still trying
- // to load the image or the load failed.
- if (!(aTarget instanceof Ci.nsIImageLoadingContent))
- return true;
-
- if (("complete" in aTarget) && !aTarget.complete)
- return true;
-
- if (aTarget.currentURI.schemeIs("javascript"))
- return true;
-
- let request = aTarget.QueryInterface(Ci.nsIImageLoadingContent)
- .getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
- if (!request)
- return true;
-
- return false;
-}
-
-addMessageListener("ContextMenu:SetAsDesktopBackground", (message) => {
- let target = message.objects.target;
-
- // Paranoia: check disableSetDesktopBackground again, in case the
- // image changed since the context menu was initiated.
- let disable = disableSetDesktopBackground(target);
-
- if (!disable) {
- try {
- BrowserUtils.urlSecurityCheck(target.currentURI.spec, target.ownerDocument.nodePrincipal);
- let canvas = content.document.createElement("canvas");
- canvas.width = target.naturalWidth;
- canvas.height = target.naturalHeight;
- let ctx = canvas.getContext("2d");
- ctx.drawImage(target, 0, 0);
- let dataUrl = canvas.toDataURL();
- sendAsyncMessage("ContextMenu:SetAsDesktopBackground:Result",
- { dataUrl });
- } catch (e) {
- Cu.reportError(e);
- disable = true;
- }
- }
-
- if (disable)
- sendAsyncMessage("ContextMenu:SetAsDesktopBackground:Result", { disable });
-});
-
-var PageInfoListener = {
-
- init() {
- addMessageListener("PageInfo:getData", this);
- },
-
- receiveMessage(message) {
- let strings = message.data.strings;
- let window;
- let document;
-
- let frameOuterWindowID = message.data.frameOuterWindowID;
-
- // If inside frame then get the frame's window and document.
- if (frameOuterWindowID) {
- window = Services.wm.getOuterWindowWithId(frameOuterWindowID);
- document = window.document;
- } else {
- window = content.window;
- document = content.document;
- }
-
- let imageElement = message.objects.imageElement;
-
- let pageInfoData = {metaViewRows: this.getMetaInfo(document),
- docInfo: this.getDocumentInfo(document),
- feeds: this.getFeedsInfo(document, strings),
- windowInfo: this.getWindowInfo(window),
- imageInfo: this.getImageInfo(imageElement)};
-
- sendAsyncMessage("PageInfo:data", pageInfoData);
-
- // Separate step so page info dialog isn't blank while waiting for this to finish.
- this.getMediaInfo(document, window, strings);
- },
-
- getImageInfo(imageElement) {
- let imageInfo = null;
- if (imageElement) {
- imageInfo = {
- currentSrc: imageElement.currentSrc,
- width: imageElement.width,
- height: imageElement.height,
- imageText: imageElement.title || imageElement.alt
- };
- }
- return imageInfo;
- },
-
- getMetaInfo(document) {
- let metaViewRows = [];
-
- // Get the meta tags from the page.
- let metaNodes = document.getElementsByTagName("meta");
-
- for (let metaNode of metaNodes) {
- metaViewRows.push([metaNode.name || metaNode.httpEquiv || metaNode.getAttribute("property"),
- metaNode.content]);
- }
-
- return metaViewRows;
- },
-
- getWindowInfo(window) {
- let windowInfo = {};
- windowInfo.isTopWindow = window == window.top;
-
- let hostName = null;
- try {
- hostName = window.location.host;
- } catch (exception) { }
-
- windowInfo.hostName = hostName;
- return windowInfo;
- },
-
- getDocumentInfo(document) {
- let docInfo = {};
- docInfo.title = document.title;
- docInfo.location = document.location.toString();
- docInfo.referrer = document.referrer;
- docInfo.compatMode = document.compatMode;
- docInfo.contentType = document.contentType;
- docInfo.characterSet = document.characterSet;
- docInfo.lastModified = document.lastModified;
- docInfo.principal = document.nodePrincipal;
-
- let documentURIObject = {};
- documentURIObject.spec = document.documentURIObject.spec;
- documentURIObject.originCharset = document.documentURIObject.originCharset;
- docInfo.documentURIObject = documentURIObject;
-
- docInfo.isContentWindowPrivate = PrivateBrowsingUtils.isContentWindowPrivate(content);
-
- return docInfo;
- },
-
- getFeedsInfo(document, strings) {
- let feeds = [];
- // Get the feeds from the page.
- let linkNodes = document.getElementsByTagName("link");
- let length = linkNodes.length;
- for (let i = 0; i < length; i++) {
- let link = linkNodes[i];
- if (!link.href) {
- continue;
- }
- let rel = link.rel && link.rel.toLowerCase();
- let rels = {};
-
- if (rel) {
- for (let relVal of rel.split(/\s+/)) {
- rels[relVal] = true;
- }
- }
-
- if (rels.feed || (link.type && rels.alternate && !rels.stylesheet)) {
- let type = Feeds.isValidFeed(link, document.nodePrincipal, "feed" in rels);
- if (type) {
- type = strings[type] || strings["application/rss+xml"];
- feeds.push([link.title, type, link.href]);
- }
- }
- }
- return feeds;
- },
-
- // Only called once to get the media tab's media elements from the content page.
- getMediaInfo(document, window, strings) {
- let frameList = this.goThroughFrames(document, window);
- Task.spawn(() => this.processFrames(document, frameList, strings));
- },
-
- goThroughFrames(document, window) {
- let frameList = [document];
- if (window && window.frames.length > 0) {
- let num = window.frames.length;
- for (let i = 0; i < num; i++) {
- // Recurse through the frames.
- frameList.concat(this.goThroughFrames(window.frames[i].document,
- window.frames[i]));
- }
- }
- return frameList;
- },
-
- *processFrames(document, frameList, strings) {
- let nodeCount = 0;
- for (let doc of frameList) {
- let iterator = doc.createTreeWalker(doc, content.NodeFilter.SHOW_ELEMENT);
-
- // Goes through all the elements on the doc. imageViewRows takes only the media elements.
- while (iterator.nextNode()) {
- let mediaItems = this.getMediaItems(document, strings, iterator.currentNode);
-
- if (mediaItems.length) {
- sendAsyncMessage("PageInfo:mediaData",
- {mediaItems, isComplete: false});
- }
-
- if (++nodeCount % 500 == 0) {
- // setTimeout every 500 elements so we don't keep blocking the content process.
- yield new Promise(resolve => setTimeout(resolve, 10));
- }
- }
- }
- // Send that page info media fetching has finished.
- sendAsyncMessage("PageInfo:mediaData", {isComplete: true});
- },
-
- getMediaItems(document, strings, elem) {
- // Check for images defined in CSS (e.g. background, borders)
- let computedStyle = elem.ownerGlobal.getComputedStyle(elem);
- // A node can have multiple media items associated with it - for example,
- // multiple background images.
- let mediaItems = [];
-
- let addImage = (url, type, alt, el, isBg) => {
- let element = this.serializeElementInfo(document, url, type, alt, el, isBg);
- mediaItems.push([url, type, alt, element, isBg]);
- };
-
- if (computedStyle) {
- let addImgFunc = (label, val) => {
- if (val.primitiveType == content.CSSPrimitiveValue.CSS_URI) {
- addImage(val.getStringValue(), label, strings.notSet, elem, true);
- } else if (val.primitiveType == content.CSSPrimitiveValue.CSS_STRING) {
- // This is for -moz-image-rect.
- // TODO: Reimplement once bug 714757 is fixed.
- let strVal = val.getStringValue();
- if (strVal.search(/^.*url\(\"?/) > -1) {
- let url = strVal.replace(/^.*url\(\"?/, "").replace(/\"?\).*$/, "");
- addImage(url, label, strings.notSet, elem, true);
- }
- } else if (val.cssValueType == content.CSSValue.CSS_VALUE_LIST) {
- // Recursively resolve multiple nested CSS value lists.
- for (let i = 0; i < val.length; i++) {
- addImgFunc(label, val.item(i));
- }
- }
- };
-
- addImgFunc(strings.mediaBGImg, computedStyle.getPropertyCSSValue("background-image"));
- addImgFunc(strings.mediaBorderImg, computedStyle.getPropertyCSSValue("border-image-source"));
- addImgFunc(strings.mediaListImg, computedStyle.getPropertyCSSValue("list-style-image"));
- addImgFunc(strings.mediaCursor, computedStyle.getPropertyCSSValue("cursor"));
- }
-
- // One swi^H^H^Hif-else to rule them all.
- if (elem instanceof content.HTMLImageElement) {
- addImage(elem.src, strings.mediaImg,
- (elem.hasAttribute("alt")) ? elem.alt : strings.notSet, elem, false);
- } else if (elem instanceof content.SVGImageElement) {
- try {
- // Note: makeURLAbsolute will throw if either the baseURI is not a valid URI
- // or the URI formed from the baseURI and the URL is not a valid URI.
- if (elem.href.baseVal) {
- let href = Services.io.newURI(elem.href.baseVal, null, Services.io.newURI(elem.baseURI)).spec;
- addImage(href, strings.mediaImg, "", elem, false);
- }
- } catch (e) { }
- } else if (elem instanceof content.HTMLVideoElement) {
- addImage(elem.currentSrc, strings.mediaVideo, "", elem, false);
- } else if (elem instanceof content.HTMLAudioElement) {
- addImage(elem.currentSrc, strings.mediaAudio, "", elem, false);
- } else if (elem instanceof content.HTMLLinkElement) {
- if (elem.rel && /\bicon\b/i.test(elem.rel)) {
- addImage(elem.href, strings.mediaLink, "", elem, false);
- }
- } else if (elem instanceof content.HTMLInputElement || elem instanceof content.HTMLButtonElement) {
- if (elem.type.toLowerCase() == "image") {
- addImage(elem.src, strings.mediaInput,
- (elem.hasAttribute("alt")) ? elem.alt : strings.notSet, elem, false);
- }
- } else if (elem instanceof content.HTMLObjectElement) {
- addImage(elem.data, strings.mediaObject, this.getValueText(elem), elem, false);
- } else if (elem instanceof content.HTMLEmbedElement) {
- addImage(elem.src, strings.mediaEmbed, "", elem, false);
- }
-
- return mediaItems;
- },
-
- /**
- * Set up a JSON element object with all the instanceOf and other infomation that
- * makePreview in pageInfo.js uses to figure out how to display the preview.
- */
-
- serializeElementInfo(document, url, type, alt, item, isBG) {
- let result = {};
-
- let imageText;
- if (!isBG &&
- !(item instanceof content.SVGImageElement) &&
- !(document instanceof content.ImageDocument)) {
- imageText = item.title || item.alt;
-
- if (!imageText && !(item instanceof content.HTMLImageElement)) {
- imageText = this.getValueText(item);
- }
- }
-
- result.imageText = imageText;
- result.longDesc = item.longDesc;
- result.numFrames = 1;
-
- if (item instanceof content.HTMLObjectElement ||
- item instanceof content.HTMLEmbedElement ||
- item instanceof content.HTMLLinkElement) {
- result.mimeType = item.type;
- }
-
- if (!result.mimeType && !isBG && item instanceof Ci.nsIImageLoadingContent) {
- // Interface for image loading content.
- let imageRequest = item.getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
- if (imageRequest) {
- result.mimeType = imageRequest.mimeType;
- let image = !(imageRequest.imageStatus & imageRequest.STATUS_ERROR) && imageRequest.image;
- if (image) {
- result.numFrames = image.numFrames;
- }
- }
- }
-
- // If we have a data url, get the MIME type from the url.
- if (!result.mimeType && url.startsWith("data:")) {
- let dataMimeType = /^data:(image\/[^;,]+)/i.exec(url);
- if (dataMimeType)
- result.mimeType = dataMimeType[1].toLowerCase();
- }
-
- result.HTMLLinkElement = item instanceof content.HTMLLinkElement;
- result.HTMLInputElement = item instanceof content.HTMLInputElement;
- result.HTMLImageElement = item instanceof content.HTMLImageElement;
- result.HTMLObjectElement = item instanceof content.HTMLObjectElement;
- result.SVGImageElement = item instanceof content.SVGImageElement;
- result.HTMLVideoElement = item instanceof content.HTMLVideoElement;
- result.HTMLAudioElement = item instanceof content.HTMLAudioElement;
-
- if (isBG) {
- // Items that are showing this image as a background
- // image might not necessarily have a width or height,
- // so we'll dynamically generate an image and send up the
- // natural dimensions.
- let img = content.document.createElement("img");
- img.src = url;
- result.naturalWidth = img.naturalWidth;
- result.naturalHeight = img.naturalHeight;
- } else {
- // Otherwise, we can use the current width and height
- // of the image.
- result.width = item.width;
- result.height = item.height;
- }
-
- if (item instanceof content.SVGImageElement) {
- result.SVGImageElementWidth = item.width.baseVal.value;
- result.SVGImageElementHeight = item.height.baseVal.value;
- }
-
- result.baseURI = item.baseURI;
-
- return result;
- },
-
- // Other Misc Stuff
- // Modified from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html
- // parse a node to extract the contents of the node
- getValueText(node) {
-
- let valueText = "";
-
- // Form input elements don't generally contain information that is useful to our callers, so return nothing.
- if (node instanceof content.HTMLInputElement ||
- node instanceof content.HTMLSelectElement ||
- node instanceof content.HTMLTextAreaElement) {
- return valueText;
- }
-
- // Otherwise recurse for each child.
- let length = node.childNodes.length;
-
- for (let i = 0; i < length; i++) {
- let childNode = node.childNodes[i];
- let nodeType = childNode.nodeType;
-
- // Text nodes are where the goods are.
- if (nodeType == content.Node.TEXT_NODE) {
- valueText += " " + childNode.nodeValue;
- } else if (nodeType == content.Node.ELEMENT_NODE) {
- // And elements can have more text inside them.
- // Images are special, we want to capture the alt text as if the image weren't there.
- if (childNode instanceof content.HTMLImageElement) {
- valueText += " " + this.getAltText(childNode);
- } else {
- valueText += " " + this.getValueText(childNode);
- }
- }
- }
-
- return this.stripWS(valueText);
- },
-
- // Copied from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html.
- // Traverse the tree in search of an img or area element and grab its alt tag.
- getAltText(node) {
- let altText = "";
-
- if (node.alt) {
- return node.alt;
- }
- let length = node.childNodes.length;
- for (let i = 0; i < length; i++) {
- if ((altText = this.getAltText(node.childNodes[i]) != undefined)) { // stupid js warning...
- return altText;
- }
- }
- return "";
- },
-
- // Copied from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html.
- // Strip leading and trailing whitespace, and replace multiple consecutive whitespace characters with a single space.
- stripWS(text) {
- let middleRE = /\s+/g;
- let endRE = /(^\s+)|(\s+$)/g;
-
- text = text.replace(middleRE, " ");
- return text.replace(endRE, "");
- }
-};
-PageInfoListener.init();
-
-let OfflineApps = {
- _docId: 0,
- _docIdMap: new Map(),
-
- _docManifestSet: new Set(),
-
- _observerAdded: false,
- registerWindow(aWindow) {
- if (!this._observerAdded) {
- this._observerAdded = true;
- Services.obs.addObserver(this, "offline-cache-update-completed", true);
- }
- let manifestURI = this._getManifestURI(aWindow);
- this._docManifestSet.add(manifestURI.spec);
- },
-
- handleEvent(event) {
- if (event.type == "MozApplicationManifest") {
- this.offlineAppRequested(event.originalTarget.defaultView);
- }
- },
-
- _getManifestURI(aWindow) {
- if (!aWindow.document.documentElement)
- return null;
-
- var attr = aWindow.document.documentElement.getAttribute("manifest");
- if (!attr)
- return null;
-
- try {
- var contentURI = BrowserUtils.makeURI(aWindow.location.href, null, null);
- return BrowserUtils.makeURI(attr, aWindow.document.characterSet, contentURI);
- } catch (e) {
- return null;
- }
- },
-
- offlineAppRequested(aContentWindow) {
- this.registerWindow(aContentWindow);
- if (!Services.prefs.getBoolPref("browser.offline-apps.notify")) {
- return;
- }
-
- let currentURI = aContentWindow.document.documentURIObject;
- // don't bother showing UI if the user has already made a decision
- if (Services.perms.testExactPermission(currentURI, "offline-app") != Services.perms.UNKNOWN_ACTION)
- return;
-
- try {
- if (Services.prefs.getBoolPref("offline-apps.allow_by_default")) {
- // all pages can use offline capabilities, no need to ask the user
- return;
- }
- } catch (e) {
- // this pref isn't set by default, ignore failures
- }
- let docId = ++this._docId;
- this._docIdMap.set(docId, Cu.getWeakReference(aContentWindow.document));
- sendAsyncMessage("OfflineApps:RequestPermission", {
- uri: currentURI.spec,
- docId,
- });
- },
-
- _startFetching(aDocument) {
- if (!aDocument.documentElement)
- return;
-
- let manifestURI = this._getManifestURI(aDocument.defaultView);
- if (!manifestURI)
- return;
-
- var updateService = Cc["@mozilla.org/offlinecacheupdate-service;1"].
- getService(Ci.nsIOfflineCacheUpdateService);
- updateService.scheduleUpdate(manifestURI, aDocument.documentURIObject,
- aDocument.nodePrincipal, aDocument.defaultView);
- },
-
- receiveMessage(aMessage) {
- if (aMessage.name == "OfflineApps:StartFetching") {
- let doc = this._docIdMap.get(aMessage.data.docId);
- doc = doc && doc.get();
- if (doc) {
- this._startFetching(doc);
- }
- this._docIdMap.delete(aMessage.data.docId);
- }
- },
-
- observe(aSubject, aTopic, aState) {
- if (aTopic == "offline-cache-update-completed") {
- let cacheUpdate = aSubject.QueryInterface(Ci.nsIOfflineCacheUpdate);
- let uri = cacheUpdate.manifestURI;
- if (uri && this._docManifestSet.has(uri.spec)) {
- sendAsyncMessage("OfflineApps:CheckUsage", {uri: uri.spec});
- }
- }
- },
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
- Ci.nsISupportsWeakReference]),
-};
-
-addEventListener("MozApplicationManifest", OfflineApps, false);
-addMessageListener("OfflineApps:StartFetching", OfflineApps);