зеркало из https://github.com/mozilla/gecko-dev.git
618 строки
20 KiB
JavaScript
618 строки
20 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* eslint-env mozilla/frame-script */
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ChromeUtils.import("resource://gre/modules/AppConstants.jsm");
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ChromeUtils.import("resource://gre/modules/BrowserUtils.jsm");
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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ChromeUtils.import("resource://gre/modules/Timer.jsm");
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ChromeUtils.defineModuleGetter(this, "PageThumbUtils",
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"resource://gre/modules/PageThumbUtils.jsm");
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ChromeUtils.defineModuleGetter(this, "Utils",
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"resource://gre/modules/sessionstore/Utils.jsm");
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if (AppConstants.MOZ_CRASHREPORTER) {
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XPCOMUtils.defineLazyServiceGetter(this, "CrashReporter",
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"@mozilla.org/xre/app-info;1",
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"nsICrashReporter");
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}
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var WebProgressListener = {
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init() {
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this._filter = Cc["@mozilla.org/appshell/component/browser-status-filter;1"]
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.createInstance(Ci.nsIWebProgress);
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this._filter.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_ALL);
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this._filter.target = tabEventTarget;
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.addProgressListener(this._filter, Ci.nsIWebProgress.NOTIFY_ALL);
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},
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uninit() {
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.removeProgressListener(this._filter);
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this._filter.removeProgressListener(this);
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this._filter = null;
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},
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_requestSpec(aRequest, aPropertyName) {
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if (!aRequest || !(aRequest instanceof Ci.nsIChannel))
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return null;
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return aRequest.QueryInterface(Ci.nsIChannel)[aPropertyName].spec;
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},
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_setupJSON: function setupJSON(aWebProgress, aRequest, aStateFlags) {
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// Avoid accessing content.document when being called from onStateChange
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// unless if we are in STATE_STOP, because otherwise the getter will
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// instantiate an about:blank document for us.
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let contentDocument = null;
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if (aStateFlags) {
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// We're being called from onStateChange
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if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
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contentDocument = content.document;
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}
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} else {
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contentDocument = content.document;
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}
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let innerWindowID = null;
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if (aWebProgress) {
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let domWindowID = null;
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try {
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domWindowID = aWebProgress.DOMWindowID;
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innerWindowID = aWebProgress.innerDOMWindowID;
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} catch (e) {
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// The DOM Window ID getters above may throw if the inner or outer
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// windows aren't created yet or are destroyed at the time we're making
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// this call but that isn't fatal so ignore the exceptions here.
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}
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aWebProgress = {
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isTopLevel: aWebProgress.isTopLevel,
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isLoadingDocument: aWebProgress.isLoadingDocument,
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loadType: aWebProgress.loadType,
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DOMWindowID: domWindowID
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};
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}
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return {
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webProgress: aWebProgress || null,
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requestURI: this._requestSpec(aRequest, "URI"),
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originalRequestURI: this._requestSpec(aRequest, "originalURI"),
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documentContentType: contentDocument ? contentDocument.contentType : null,
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innerWindowID,
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};
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},
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_setupObjects: function setupObjects(aWebProgress, aRequest) {
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let domWindow;
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try {
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domWindow = aWebProgress && aWebProgress.DOMWindow;
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} catch (e) {
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// If nsDocShell::Destroy has already been called, then we'll
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// get NS_NOINTERFACE when trying to get the DOM window. Ignore
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// that here.
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domWindow = null;
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}
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return {
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contentWindow: content,
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contentDocument: content.document,
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// DOMWindow is not necessarily the content-window with subframes.
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DOMWindow: domWindow,
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webProgress: aWebProgress,
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request: aRequest,
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};
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},
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_send(name, data, objects) {
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sendAsyncMessage(name, data, objects);
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},
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onStateChange: function onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
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let json = this._setupJSON(aWebProgress, aRequest, aStateFlags);
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let objects = this._setupObjects(aWebProgress, aRequest);
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json.stateFlags = aStateFlags;
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json.status = aStatus;
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// It's possible that this state change was triggered by
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// loading an internal error page, for which the parent
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// will want to know some details, so we'll update it with
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// the documentURI.
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if (aWebProgress && aWebProgress.isTopLevel) {
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json.documentURI = content.document.documentURIObject.spec;
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json.charset = content.document.characterSet;
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json.mayEnableCharacterEncodingMenu = docShell.mayEnableCharacterEncodingMenu;
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json.inLoadURI = WebNavigation.inLoadURI;
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}
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this._send("Content:StateChange", json, objects);
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},
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// Note: Because the nsBrowserStatusFilter timeout runnable is
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// SystemGroup-labeled, this method should not modify content DOM or
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// run content JS.
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onProgressChange: function onProgressChange(aWebProgress, aRequest, aCurSelf, aMaxSelf, aCurTotal, aMaxTotal) {
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let json = this._setupJSON(aWebProgress, aRequest);
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let objects = this._setupObjects(aWebProgress, aRequest);
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json.curSelf = aCurSelf;
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json.maxSelf = aMaxSelf;
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json.curTotal = aCurTotal;
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json.maxTotal = aMaxTotal;
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this._send("Content:ProgressChange", json, objects);
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},
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onProgressChange64: function onProgressChange(aWebProgress, aRequest, aCurSelf, aMaxSelf, aCurTotal, aMaxTotal) {
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this.onProgressChange(aWebProgress, aRequest, aCurSelf, aMaxSelf, aCurTotal, aMaxTotal);
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},
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onLocationChange: function onLocationChange(aWebProgress, aRequest, aLocationURI, aFlags) {
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let json = this._setupJSON(aWebProgress, aRequest);
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let objects = this._setupObjects(aWebProgress, aRequest);
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json.location = aLocationURI ? aLocationURI.spec : "";
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json.flags = aFlags;
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// These properties can change even for a sub-frame navigation.
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let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
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json.canGoBack = webNav.canGoBack;
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json.canGoForward = webNav.canGoForward;
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if (aWebProgress && aWebProgress.isTopLevel) {
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json.documentURI = content.document.documentURIObject.spec;
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json.title = content.document.title;
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json.charset = content.document.characterSet;
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json.mayEnableCharacterEncodingMenu = docShell.mayEnableCharacterEncodingMenu;
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json.principal = content.document.nodePrincipal;
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json.synthetic = content.document.mozSyntheticDocument;
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json.inLoadURI = WebNavigation.inLoadURI;
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json.requestContextID = content.document.documentLoadGroup
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? content.document.documentLoadGroup.requestContextID
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: null;
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if (AppConstants.MOZ_CRASHREPORTER && CrashReporter.enabled) {
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let uri = aLocationURI;
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try {
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// If the current URI contains a username/password, remove it.
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uri = uri.mutate()
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.setUserPass("")
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.finalize();
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} catch (ex) { /* Ignore failures on about: URIs. */ }
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CrashReporter.annotateCrashReport("URL", uri.spec);
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}
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}
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this._send("Content:LocationChange", json, objects);
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},
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// Note: Because the nsBrowserStatusFilter timeout runnable is
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// SystemGroup-labeled, this method should not modify content DOM or
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// run content JS.
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onStatusChange: function onStatusChange(aWebProgress, aRequest, aStatus, aMessage) {
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let json = this._setupJSON(aWebProgress, aRequest);
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let objects = this._setupObjects(aWebProgress, aRequest);
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json.status = aStatus;
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json.message = aMessage;
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this._send("Content:StatusChange", json, objects);
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},
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onSecurityChange: function onSecurityChange(aWebProgress, aRequest, aState) {
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let json = this._setupJSON(aWebProgress, aRequest);
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let objects = this._setupObjects(aWebProgress, aRequest);
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json.state = aState;
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json.status = SecurityUI.getSSLStatusAsString();
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json.matchedList = null;
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if (aRequest && aRequest instanceof Ci.nsIClassifiedChannel) {
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json.matchedList = aRequest.matchedList;
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}
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this._send("Content:SecurityChange", json, objects);
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},
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onRefreshAttempted: function onRefreshAttempted(aWebProgress, aURI, aDelay, aSameURI) {
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return true;
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},
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sendLoadCallResult() {
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sendAsyncMessage("Content:LoadURIResult");
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},
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QueryInterface: ChromeUtils.generateQI(["nsIWebProgressListener",
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"nsIWebProgressListener2",
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"nsISupportsWeakReference"]),
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};
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WebProgressListener.init();
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addEventListener("unload", () => {
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WebProgressListener.uninit();
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});
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var WebNavigation = {
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init() {
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addMessageListener("WebNavigation:GoBack", this);
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addMessageListener("WebNavigation:GoForward", this);
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addMessageListener("WebNavigation:GotoIndex", this);
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addMessageListener("WebNavigation:LoadURI", this);
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addMessageListener("WebNavigation:SetOriginAttributes", this);
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addMessageListener("WebNavigation:Reload", this);
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addMessageListener("WebNavigation:Stop", this);
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// This message is used for measuring content process startup performance.
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sendAsyncMessage("Content:BrowserChildReady", { time: Services.telemetry.msSystemNow() });
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},
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get webNavigation() {
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return docShell.QueryInterface(Ci.nsIWebNavigation);
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},
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_inLoadURI: false,
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get inLoadURI() {
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return this._inLoadURI;
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},
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receiveMessage(message) {
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switch (message.name) {
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case "WebNavigation:GoBack":
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this.goBack();
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break;
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case "WebNavigation:GoForward":
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this.goForward();
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break;
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case "WebNavigation:GotoIndex":
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this.gotoIndex(message.data.index);
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break;
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case "WebNavigation:LoadURI":
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let histogram = Services.telemetry.getKeyedHistogramById("FX_TAB_REMOTE_NAVIGATION_DELAY_MS");
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histogram.add("WebNavigation:LoadURI",
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Services.telemetry.msSystemNow() - message.data.requestTime);
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this.loadURI(message.data.uri, message.data.flags,
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message.data.referrer, message.data.referrerPolicy,
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message.data.postData, message.data.headers,
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message.data.baseURI, message.data.triggeringPrincipal);
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break;
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case "WebNavigation:SetOriginAttributes":
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this.setOriginAttributes(message.data.originAttributes);
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break;
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case "WebNavigation:Reload":
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this.reload(message.data.flags);
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break;
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case "WebNavigation:Stop":
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this.stop(message.data.flags);
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break;
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}
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},
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_wrapURIChangeCall(fn) {
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this._inLoadURI = true;
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try {
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fn();
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} finally {
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this._inLoadURI = false;
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WebProgressListener.sendLoadCallResult();
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}
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},
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goBack() {
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if (this.webNavigation.canGoBack) {
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this._wrapURIChangeCall(() => this.webNavigation.goBack());
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}
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},
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goForward() {
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if (this.webNavigation.canGoForward) {
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this._wrapURIChangeCall(() => this.webNavigation.goForward());
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}
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},
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gotoIndex(index) {
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this._wrapURIChangeCall(() => this.webNavigation.gotoIndex(index));
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},
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loadURI(uri, flags, referrer, referrerPolicy, postData, headers, baseURI, triggeringPrincipal) {
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if (AppConstants.MOZ_CRASHREPORTER && CrashReporter.enabled) {
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let annotation = uri;
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try {
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let url = Services.io.newURI(uri);
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// If the current URI contains a username/password, remove it.
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url = url.mutate()
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.setUserPass("")
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.finalize();
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annotation = url.spec;
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} catch (ex) { /* Ignore failures to parse and failures
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on about: URIs. */ }
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CrashReporter.annotateCrashReport("URL", annotation);
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}
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if (referrer)
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referrer = Services.io.newURI(referrer);
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if (postData)
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postData = Utils.makeInputStream(postData);
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if (headers)
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headers = Utils.makeInputStream(headers);
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if (baseURI)
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baseURI = Services.io.newURI(baseURI);
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if (triggeringPrincipal)
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triggeringPrincipal = Utils.deserializePrincipal(triggeringPrincipal);
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this._wrapURIChangeCall(() => {
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return this.webNavigation.loadURIWithOptions(uri, flags, referrer, referrerPolicy,
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postData, headers, baseURI, triggeringPrincipal);
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});
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},
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setOriginAttributes(originAttributes) {
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if (originAttributes) {
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this.webNavigation.setOriginAttributesBeforeLoading(originAttributes);
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}
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},
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reload(flags) {
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this.webNavigation.reload(flags);
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},
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stop(flags) {
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this.webNavigation.stop(flags);
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}
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};
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WebNavigation.init();
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var SecurityUI = {
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getSSLStatusAsString() {
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let status = docShell.securityUI.QueryInterface(Ci.nsISSLStatusProvider).SSLStatus;
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if (status) {
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let helper = Cc["@mozilla.org/network/serialization-helper;1"]
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.getService(Ci.nsISerializationHelper);
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status.QueryInterface(Ci.nsISerializable);
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return helper.serializeToString(status);
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}
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return null;
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}
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};
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var ControllerCommands = {
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init() {
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addMessageListener("ControllerCommands:Do", this);
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addMessageListener("ControllerCommands:DoWithParams", this);
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},
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receiveMessage(message) {
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switch (message.name) {
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case "ControllerCommands:Do":
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if (docShell.isCommandEnabled(message.data))
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docShell.doCommand(message.data);
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break;
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case "ControllerCommands:DoWithParams":
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var data = message.data;
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if (docShell.isCommandEnabled(data.cmd)) {
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var params = Cc["@mozilla.org/embedcomp/command-params;1"].
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createInstance(Ci.nsICommandParams);
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for (var name in data.params) {
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var value = data.params[name];
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if (value.type == "long") {
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params.setLongValue(name, parseInt(value.value));
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} else {
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throw Cr.NS_ERROR_NOT_IMPLEMENTED;
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}
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}
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docShell.doCommandWithParams(data.cmd, params);
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}
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break;
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}
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}
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};
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ControllerCommands.init();
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addEventListener("DOMTitleChanged", function(aEvent) {
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if (!aEvent.isTrusted || aEvent.target.defaultView != content)
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return;
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sendAsyncMessage("DOMTitleChanged", { title: content.document.title });
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}, false);
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addEventListener("DOMWindowClose", function(aEvent) {
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if (!aEvent.isTrusted)
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return;
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sendAsyncMessage("DOMWindowClose");
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}, false);
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addEventListener("ImageContentLoaded", function(aEvent) {
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if (content.document instanceof Ci.nsIImageDocument) {
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let req = content.document.imageRequest;
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if (!req.image)
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return;
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sendAsyncMessage("ImageDocumentLoaded", { width: req.image.width,
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height: req.image.height });
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}
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}, false);
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const ZoomManager = {
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get fullZoom() {
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return this._cache.fullZoom;
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},
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get textZoom() {
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return this._cache.textZoom;
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},
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set fullZoom(value) {
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this._cache.fullZoom = value;
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this._markupViewer.fullZoom = value;
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},
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set textZoom(value) {
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this._cache.textZoom = value;
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this._markupViewer.textZoom = value;
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},
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refreshFullZoom() {
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return this._refreshZoomValue("fullZoom");
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},
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refreshTextZoom() {
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return this._refreshZoomValue("textZoom");
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},
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/**
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* Retrieves specified zoom property value from markupViewer and refreshes
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* cache if needed.
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* @param valueName Either 'fullZoom' or 'textZoom'.
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* @returns Returns true if cached value was actually refreshed.
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* @private
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*/
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_refreshZoomValue(valueName) {
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let actualZoomValue = this._markupViewer[valueName];
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// Round to remove any floating-point error.
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actualZoomValue = Number(actualZoomValue.toFixed(2));
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if (actualZoomValue != this._cache[valueName]) {
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this._cache[valueName] = actualZoomValue;
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return true;
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}
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return false;
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},
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get _markupViewer() {
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return docShell.contentViewer;
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},
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_cache: {
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fullZoom: NaN,
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textZoom: NaN
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}
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};
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addMessageListener("FullZoom", function(aMessage) {
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ZoomManager.fullZoom = aMessage.data.value;
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});
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addMessageListener("TextZoom", function(aMessage) {
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ZoomManager.textZoom = aMessage.data.value;
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});
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addEventListener("FullZoomChange", function() {
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if (ZoomManager.refreshFullZoom()) {
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sendAsyncMessage("FullZoomChange", { value: ZoomManager.fullZoom });
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}
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}, false);
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addEventListener("TextZoomChange", function(aEvent) {
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if (ZoomManager.refreshTextZoom()) {
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sendAsyncMessage("TextZoomChange", { value: ZoomManager.textZoom });
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}
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}, false);
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addEventListener("ZoomChangeUsingMouseWheel", function() {
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sendAsyncMessage("ZoomChangeUsingMouseWheel", {});
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}, false);
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addMessageListener("UpdateCharacterSet", function(aMessage) {
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docShell.charset = aMessage.data.value;
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docShell.gatherCharsetMenuTelemetry();
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});
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/**
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* Remote thumbnail request handler for PageThumbs thumbnails.
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*/
|
|
addMessageListener("Browser:Thumbnail:Request", function(aMessage) {
|
|
let snapshot;
|
|
let args = aMessage.data.additionalArgs;
|
|
let fullScale = args ? args.fullScale : false;
|
|
if (fullScale) {
|
|
snapshot = PageThumbUtils.createSnapshotThumbnail(content, null, args);
|
|
} else {
|
|
let snapshotWidth = aMessage.data.canvasWidth;
|
|
let snapshotHeight = aMessage.data.canvasHeight;
|
|
snapshot =
|
|
PageThumbUtils.createCanvas(content, snapshotWidth, snapshotHeight);
|
|
PageThumbUtils.createSnapshotThumbnail(content, snapshot, args);
|
|
}
|
|
|
|
snapshot.toBlob(function(aBlob) {
|
|
sendAsyncMessage("Browser:Thumbnail:Response", {
|
|
thumbnail: aBlob,
|
|
id: aMessage.data.id
|
|
});
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Remote isSafeForCapture request handler for PageThumbs.
|
|
*/
|
|
addMessageListener("Browser:Thumbnail:CheckState", function(aMessage) {
|
|
Services.tm.idleDispatchToMainThread(() => {
|
|
let result = PageThumbUtils.shouldStoreContentThumbnail(content, docShell);
|
|
sendAsyncMessage("Browser:Thumbnail:CheckState:Response", {
|
|
result
|
|
});
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Remote GetOriginalURL request handler for PageThumbs.
|
|
*/
|
|
addMessageListener("Browser:Thumbnail:GetOriginalURL", function(aMessage) {
|
|
let channel = docShell.currentDocumentChannel;
|
|
let channelError = PageThumbUtils.isChannelErrorResponse(channel);
|
|
let originalURL;
|
|
try {
|
|
originalURL = channel.originalURI.spec;
|
|
} catch (ex) {}
|
|
sendAsyncMessage("Browser:Thumbnail:GetOriginalURL:Response", {
|
|
channelError,
|
|
originalURL,
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Remote createAboutBlankContentViewer request handler.
|
|
*/
|
|
addMessageListener("Browser:CreateAboutBlank", function(aMessage) {
|
|
if (!content.document || content.document.documentURI != "about:blank") {
|
|
throw new Error("Can't create a content viewer unless on about:blank");
|
|
}
|
|
let principal = aMessage.data;
|
|
principal = BrowserUtils.principalWithMatchingOA(principal, content.document.nodePrincipal);
|
|
docShell.createAboutBlankContentViewer(principal);
|
|
});
|
|
|
|
addMessageListener("InPermitUnload", msg => {
|
|
let inPermitUnload = docShell.contentViewer && docShell.contentViewer.inPermitUnload;
|
|
sendAsyncMessage("InPermitUnload", {id: msg.data.id, inPermitUnload});
|
|
});
|
|
|
|
addMessageListener("PermitUnload", msg => {
|
|
sendAsyncMessage("PermitUnload", {id: msg.data.id, kind: "start"});
|
|
|
|
let permitUnload = true;
|
|
if (docShell && docShell.contentViewer) {
|
|
permitUnload = docShell.contentViewer.permitUnload(msg.data.aPermitUnloadFlags);
|
|
}
|
|
|
|
sendAsyncMessage("PermitUnload", {id: msg.data.id, kind: "end", permitUnload});
|
|
});
|
|
|
|
// We may not get any responses to Browser:Init if the browser element
|
|
// is torn down too quickly.
|
|
var outerWindowID = content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils)
|
|
.outerWindowID;
|
|
sendAsyncMessage("Browser:Init", {outerWindowID});
|