зеркало из https://github.com/mozilla/gecko-dev.git
1028 строки
34 KiB
JavaScript
1028 строки
34 KiB
JavaScript
/* -*- mode: js; indent-tabs-mode: nil; js-indent-level: 2 -*- */
|
|
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
|
|
/* 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/. */
|
|
|
|
"use strict";
|
|
|
|
this.EXPORTED_SYMBOLS = ["ContextMenu"];
|
|
|
|
const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
|
|
|
|
Cu.importGlobalProperties(["URL"]);
|
|
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
|
|
XPCOMUtils.defineLazyModuleGetters(this, {
|
|
E10SUtils: "resource:///modules/E10SUtils.jsm",
|
|
CastingApps: "resource:///modules/CastingApps.jsm",
|
|
BrowserUtils: "resource://gre/modules/BrowserUtils.jsm",
|
|
PlacesUIUtils: "resource:///modules/PlacesUIUtils.jsm",
|
|
findCssSelector: "resource://gre/modules/css-selector.js",
|
|
SpellCheckHelper: "resource://gre/modules/InlineSpellChecker.jsm",
|
|
LoginManagerContent: "resource://gre/modules/LoginManagerContent.jsm",
|
|
WebNavigationFrames: "resource://gre/modules/WebNavigationFrames.jsm",
|
|
PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.jsm",
|
|
InlineSpellCheckerContent: "resource://gre/modules/InlineSpellCheckerContent.jsm",
|
|
});
|
|
|
|
XPCOMUtils.defineLazyGetter(this, "PageMenuChild", () => {
|
|
let tmp = {};
|
|
Cu.import("resource://gre/modules/PageMenu.jsm", tmp);
|
|
return new tmp.PageMenuChild();
|
|
});
|
|
|
|
const messageListeners = {
|
|
"ContextMenu:BookmarkFrame": function(aMessage) {
|
|
let frame = this.getTarget(aMessage).ownerDocument;
|
|
|
|
this.global.sendAsyncMessage("ContextMenu:BookmarkFrame:Result",
|
|
{ title: frame.title,
|
|
description: PlacesUIUtils.getDescriptionFromDocument(frame) });
|
|
},
|
|
|
|
"ContextMenu:Canvas:ToBlobURL": function(aMessage) {
|
|
this.getTarget(aMessage).toBlob((blob) => {
|
|
let blobURL = URL.createObjectURL(blob);
|
|
this.global.sendAsyncMessage("ContextMenu:Canvas:ToBlobURL:Result", { blobURL });
|
|
});
|
|
},
|
|
|
|
"ContextMenu:DoCustomCommand": function(aMessage) {
|
|
E10SUtils.wrapHandlingUserInput(
|
|
this.content,
|
|
aMessage.data.handlingUserInput,
|
|
() => PageMenuChild.executeMenu(aMessage.data.generatedItemId)
|
|
);
|
|
},
|
|
|
|
"ContextMenu:Hiding": function() {
|
|
this.context = null;
|
|
this.target = null;
|
|
},
|
|
|
|
"ContextMenu:MediaCommand": function(aMessage) {
|
|
E10SUtils.wrapHandlingUserInput(
|
|
this.content, aMessage.data.handlingUserInput, () => {
|
|
let media = this.getTarget(aMessage, "element");
|
|
|
|
switch (aMessage.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 = aMessage.data.data;
|
|
break;
|
|
case "hidecontrols":
|
|
media.removeAttribute("controls");
|
|
break;
|
|
case "showcontrols":
|
|
media.setAttribute("controls", "true");
|
|
break;
|
|
case "fullscreen":
|
|
if (this.content.document.fullscreenEnabled) {
|
|
media.requestFullscreen();
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
);
|
|
},
|
|
|
|
"ContextMenu:ReloadFrame": function(aMessage) {
|
|
this.getTarget(aMessage).ownerDocument.location.reload();
|
|
},
|
|
|
|
"ContextMenu:ReloadImage": function(aMessage) {
|
|
let image = this.getTarget(aMessage);
|
|
|
|
if (image instanceof Ci.nsIImageLoadingContent) {
|
|
image.forceReload();
|
|
}
|
|
},
|
|
|
|
"ContextMenu:SearchFieldBookmarkData": function(aMessage) {
|
|
let node = this.getTarget(aMessage);
|
|
let charset = node.ownerDocument.characterSet;
|
|
let formBaseURI = Services.io.newURI(node.form.baseURI, charset);
|
|
let formURI = Services.io.newURI(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 this.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 this.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("&");
|
|
}
|
|
|
|
this.global.sendAsyncMessage("ContextMenu:SearchFieldBookmarkData:Result",
|
|
{ spec, title, description, postData, charset });
|
|
},
|
|
|
|
"ContextMenu:SaveVideoFrameAsImage": function(aMessage) {
|
|
let video = this.getTarget(aMessage);
|
|
let canvas = this.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);
|
|
|
|
this.global.sendAsyncMessage("ContextMenu:SaveVideoFrameAsImage:Result", {
|
|
dataURL: canvas.toDataURL("image/jpeg", ""),
|
|
});
|
|
},
|
|
|
|
"ContextMenu:SetAsDesktopBackground": function(aMessage) {
|
|
let target = this.getTarget(aMessage);
|
|
|
|
// Paranoia: check disableSetDesktopBackground again, in case the
|
|
// image changed since the context menu was initiated.
|
|
let disable = this._disableSetDesktopBackground(target);
|
|
|
|
if (!disable) {
|
|
try {
|
|
BrowserUtils.urlSecurityCheck(target.currentURI.spec,
|
|
target.ownerDocument.nodePrincipal);
|
|
let canvas = this.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();
|
|
let url = (new URL(target.ownerDocument.location.href)).pathname;
|
|
let imageName = url.substr(url.lastIndexOf("/") + 1);
|
|
this.global.sendAsyncMessage("ContextMenu:SetAsDesktopBackground:Result",
|
|
{ dataUrl, imageName });
|
|
} catch (e) {
|
|
Cu.reportError(e);
|
|
disable = true;
|
|
}
|
|
}
|
|
|
|
if (disable) {
|
|
this.global.sendAsyncMessage("ContextMenu:SetAsDesktopBackground:Result",
|
|
{ disable });
|
|
}
|
|
},
|
|
};
|
|
|
|
class ContextMenu {
|
|
// PUBLIC
|
|
constructor(global) {
|
|
this.target = null;
|
|
this.context = null;
|
|
this.global = global;
|
|
this.content = global.content;
|
|
|
|
Cc["@mozilla.org/eventlistenerservice;1"]
|
|
.getService(Ci.nsIEventListenerService)
|
|
.addSystemEventListener(global, "contextmenu",
|
|
this._handleContentContextMenu.bind(this), false);
|
|
|
|
Object.keys(messageListeners).forEach(key =>
|
|
global.addMessageListener(key, messageListeners[key].bind(this))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the event target of the context menu, using a locally stored
|
|
* reference if possible. If not, and aMessage.objects is defined,
|
|
* aMessage.objects[aKey] is returned. Otherwise null.
|
|
* @param {Object} aMessage Message with a objects property
|
|
* @param {String} aKey Key for the target on aMessage.objects
|
|
* @return {Object} Context menu target
|
|
*/
|
|
getTarget(aMessage, aKey = "target") {
|
|
return this.target || (aMessage.objects && aMessage.objects[aKey]);
|
|
}
|
|
|
|
// PRIVATE
|
|
_isXULTextLinkLabel(aNode) {
|
|
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
|
|
return aNode.namespaceURI == XUL_NS &&
|
|
aNode.tagName == "label" &&
|
|
aNode.classList.contains("text-link") &&
|
|
aNode.href;
|
|
}
|
|
|
|
// Generate fully qualified URL for clicked-on link.
|
|
_getLinkURL() {
|
|
let href = this.context.link.href;
|
|
|
|
if (href) {
|
|
// Handle SVG links:
|
|
if (typeof href == "object" && href.animVal) {
|
|
return href.animVal;
|
|
}
|
|
|
|
return href;
|
|
}
|
|
|
|
href = this.context.link.getAttribute("href") ||
|
|
this.context.link.getAttributeNS("http://www.w3.org/1999/xlink", "href");
|
|
|
|
if (!href || !href.match(/\S/)) {
|
|
// Without this we try to save as the current doc,
|
|
// for example, HTML case also throws if empty
|
|
throw "Empty href";
|
|
}
|
|
|
|
return this._makeURLAbsolute(this.context.link.baseURI, href);
|
|
}
|
|
|
|
_getLinkURI() {
|
|
try {
|
|
return Services.io.newURI(this.context.linkURL);
|
|
} catch (ex) {
|
|
// e.g. empty URL string
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// Get text of link.
|
|
_getLinkText() {
|
|
let text = this._gatherTextUnder(this.context.link);
|
|
|
|
if (!text || !text.match(/\S/)) {
|
|
text = this.context.link.getAttribute("title");
|
|
if (!text || !text.match(/\S/)) {
|
|
text = this.context.link.getAttribute("alt");
|
|
if (!text || !text.match(/\S/)) {
|
|
text = this.context.linkURL;
|
|
}
|
|
}
|
|
}
|
|
|
|
return text;
|
|
}
|
|
|
|
_getLinkProtocol() {
|
|
if (this.context.linkURI) {
|
|
return this.context.linkURI.scheme; // can be |undefined|
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// Returns true if clicked-on link targets a resource that can be saved.
|
|
_isLinkSaveable(aLink) {
|
|
// We don't do the Right Thing for news/snews yet, so turn them off
|
|
// until we do.
|
|
return this.context.linkProtocol && !(
|
|
this.context.linkProtocol == "mailto" ||
|
|
this.context.linkProtocol == "javascript" ||
|
|
this.context.linkProtocol == "news" ||
|
|
this.context.linkProtocol == "snews");
|
|
}
|
|
|
|
// Gather all descendent text under given document node.
|
|
_gatherTextUnder(root) {
|
|
let text = "";
|
|
let node = root.firstChild;
|
|
let depth = 1;
|
|
while (node && depth > 0) {
|
|
// See if this node is text.
|
|
if (node.nodeType == Ci.nsIDOMNode.TEXT_NODE) {
|
|
// Add this text to our collection.
|
|
text += " " + node.data;
|
|
} else if (node instanceof this.content.HTMLImageElement) {
|
|
// If it has an "alt" attribute, add that.
|
|
let altText = node.getAttribute( "alt" );
|
|
if ( altText && altText != "" ) {
|
|
text += " " + altText;
|
|
}
|
|
}
|
|
// Find next node to test.
|
|
// First, see if this node has children.
|
|
if (node.hasChildNodes()) {
|
|
// Go to first child.
|
|
node = node.firstChild;
|
|
depth++;
|
|
} else {
|
|
// No children, try next sibling (or parent next sibling).
|
|
while (depth > 0 && !node.nextSibling) {
|
|
node = node.parentNode;
|
|
depth--;
|
|
}
|
|
if (node.nextSibling) {
|
|
node = node.nextSibling;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Strip leading and tailing whitespace.
|
|
text = text.trim();
|
|
// Compress remaining whitespace.
|
|
text = text.replace(/\s+/g, " ");
|
|
return text;
|
|
}
|
|
|
|
// Returns a "url"-type computed style attribute value, with the url() stripped.
|
|
_getComputedURL(aElem, aProp) {
|
|
let url = aElem.ownerGlobal.getComputedStyle(aElem).getPropertyCSSValue(aProp);
|
|
|
|
if (url instanceof this.content.CSSValueList) {
|
|
if (url.length != 1) {
|
|
throw "found multiple URLs";
|
|
}
|
|
|
|
url = url[0];
|
|
}
|
|
|
|
return url.primitiveType == this.content.CSSPrimitiveValue.CSS_URI ?
|
|
url.getStringValue() : null;
|
|
}
|
|
|
|
_makeURLAbsolute(aBase, aUrl) {
|
|
return Services.io.newURI(aUrl, null, Services.io.newURI(aBase)).spec;
|
|
}
|
|
|
|
_isProprietaryDRM() {
|
|
return this.context.target.isEncrypted && this.context.target.mediaKeys &&
|
|
this.context.target.mediaKeys.keySystem != "org.w3.clearkey";
|
|
}
|
|
|
|
_isMediaURLReusable(aURL) {
|
|
if (aURL.startsWith("blob:")) {
|
|
return URL.isValidURL(aURL);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
_isTargetATextBox(node) {
|
|
if (node instanceof this.content.HTMLInputElement) {
|
|
return node.mozIsTextField(false);
|
|
}
|
|
|
|
return (node instanceof this.content.HTMLTextAreaElement);
|
|
}
|
|
|
|
_isSpellCheckEnabled(aNode) {
|
|
// We can always force-enable spellchecking on textboxes
|
|
if (this._isTargetATextBox(aNode)) {
|
|
return true;
|
|
}
|
|
|
|
// We can never spell check something which is not content editable
|
|
let editable = aNode.isContentEditable;
|
|
|
|
if (!editable && aNode.ownerDocument) {
|
|
editable = aNode.ownerDocument.designMode == "on";
|
|
}
|
|
|
|
if (!editable) {
|
|
return false;
|
|
}
|
|
|
|
// Otherwise make sure that nothing in the parent chain disables spellchecking
|
|
return aNode.spellcheck;
|
|
}
|
|
|
|
_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;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the array of CSS selectors corresponding to the provided node. The first item
|
|
* of the array is the selector of the node in its owner document. Additional items are
|
|
* used if the node is inside a frame, each representing the CSS selector for finding the
|
|
* frame element in its parent document.
|
|
*
|
|
* This format is expected by DevTools in order to handle the Inspect Node context menu
|
|
* item.
|
|
*
|
|
* @param {aNode}
|
|
* The node for which the CSS selectors should be computed
|
|
* @return {Array} array of css selectors (strings).
|
|
*/
|
|
_getNodeSelectors(aNode) {
|
|
let selectors = [];
|
|
while (aNode) {
|
|
selectors.push(findCssSelector(aNode));
|
|
aNode = aNode.ownerGlobal.frameElement;
|
|
}
|
|
|
|
return selectors;
|
|
}
|
|
|
|
_handleContentContextMenu(aEvent) {
|
|
let defaultPrevented = aEvent.defaultPrevented;
|
|
|
|
if (!Services.prefs.getBoolPref("dom.event.contextmenu.enabled")) {
|
|
let plugin = null;
|
|
|
|
try {
|
|
plugin = aEvent.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 doc = aEvent.target.ownerDocument;
|
|
let {
|
|
mozDocumentURIIfNotForErrorPages: docLocation,
|
|
characterSet: charSet,
|
|
baseURI,
|
|
referrer,
|
|
referrerPolicy
|
|
} = doc;
|
|
docLocation = docLocation && docLocation.spec;
|
|
let frameOuterWindowID = WebNavigationFrames.getFrameId(doc.defaultView);
|
|
let loginFillInfo = LoginManagerContent.getFieldContext(aEvent.target);
|
|
|
|
// The same-origin check will be done in nsContextMenu.openLinkInTab.
|
|
let parentAllowsMixedContent = !!this.global.docShell.mixedContentChannel;
|
|
|
|
// Get referrer attribute from clicked link and parse it
|
|
let referrerAttrValue = Services.netUtils.parseAttributePolicyString(aEvent.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 (aEvent.target.nodeType == Ci.nsIDOMNode.ELEMENT_NODE &&
|
|
aEvent.target instanceof Ci.nsIImageLoadingContent &&
|
|
aEvent.target.currentURI) {
|
|
disableSetDesktopBg = this._disableSetDesktopBackground(aEvent.target);
|
|
|
|
try {
|
|
let imageCache = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
|
|
.getImgCacheForDocument(doc);
|
|
let props = imageCache.findEntryProperties(aEvent.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(this.content);
|
|
let loadContext = this.global.docShell.QueryInterface(Ci.nsILoadContext);
|
|
let userContextId = loadContext.originAttributes.userContextId;
|
|
let popupNodeSelectors = this._getNodeSelectors(aEvent.target);
|
|
|
|
this._setContext(aEvent);
|
|
let context = this.context;
|
|
this.target = context.target;
|
|
|
|
let spellInfo = null;
|
|
let editFlags = null;
|
|
let principal = null;
|
|
let customMenuItems = null;
|
|
|
|
if (context.target) {
|
|
this._cleanContext();
|
|
}
|
|
|
|
let isRemote = Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT;
|
|
|
|
if (isRemote) {
|
|
editFlags = SpellCheckHelper.isEditable(aEvent.target, this.content);
|
|
|
|
if (editFlags &
|
|
(SpellCheckHelper.EDITABLE | SpellCheckHelper.CONTENTEDITABLE)) {
|
|
spellInfo = InlineSpellCheckerContent.initContextMenu(aEvent, editFlags, this.global);
|
|
}
|
|
|
|
// 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.
|
|
this.global.docShell.contentViewer.QueryInterface(Ci.nsIContentViewerEdit)
|
|
.setCommandNode(aEvent.target);
|
|
aEvent.target.ownerGlobal.updateCommands("contentcontextmenu");
|
|
|
|
customMenuItems = PageMenuChild.build(aEvent.target);
|
|
principal = doc.nodePrincipal;
|
|
}
|
|
|
|
let data = {
|
|
context,
|
|
charSet,
|
|
baseURI,
|
|
isRemote,
|
|
referrer,
|
|
editFlags,
|
|
principal,
|
|
spellInfo,
|
|
contentType,
|
|
docLocation,
|
|
loginFillInfo,
|
|
selectionInfo,
|
|
userContextId,
|
|
referrerPolicy,
|
|
customMenuItems,
|
|
contentDisposition,
|
|
frameOuterWindowID,
|
|
popupNodeSelectors,
|
|
disableSetDesktopBg,
|
|
parentAllowsMixedContent,
|
|
};
|
|
|
|
if (isRemote) {
|
|
this.global.sendAsyncMessage("contextmenu", data);
|
|
} else {
|
|
let browser = this.global.docShell.chromeEventHandler;
|
|
let mainWin = browser.ownerGlobal;
|
|
|
|
data.documentURIObject = doc.documentURIObject;
|
|
data.disableSetDesktopBackground = data.disableSetDesktopBg;
|
|
delete data.disableSetDesktopBg;
|
|
|
|
mainWin.setContextMenuContentData(data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Some things are not serializable, so we either have to only send
|
|
* their needed data or regenerate them in nsContextMenu.js
|
|
* - target and target.ownerDocument
|
|
* - link
|
|
* - linkURI
|
|
*/
|
|
_cleanContext(aEvent) {
|
|
const context = this.context;
|
|
const cleanTarget = Object.create(null);
|
|
|
|
cleanTarget.ownerDocument = {
|
|
// used for nsContextMenu.initLeaveDOMFullScreenItems and
|
|
// nsContextMenu.initMediaPlayerItems
|
|
fullscreen: context.target.ownerDocument.fullscreen,
|
|
|
|
// used for nsContextMenu.initMiscItems
|
|
contentType: context.target.ownerDocument.contentType,
|
|
|
|
// used for nsContextMenu.saveLink
|
|
isPrivate: context.target.ownerDocument.isPrivate,
|
|
};
|
|
|
|
// used for nsContextMenu.initMediaPlayerItems
|
|
Object.assign(cleanTarget, {
|
|
ended: context.target.ended,
|
|
muted: context.target.muted,
|
|
paused: context.target.paused,
|
|
controls: context.target.controls,
|
|
duration: context.target.duration,
|
|
});
|
|
|
|
const onMedia = context.onVideo || context.onAudio;
|
|
|
|
if (onMedia) {
|
|
Object.assign(cleanTarget, {
|
|
loop: context.target.loop,
|
|
error: context.target.error,
|
|
networkState: context.target.networkState,
|
|
playbackRate: context.target.playbackRate,
|
|
NETWORK_NO_SOURCE: context.target.NETWORK_NO_SOURCE,
|
|
});
|
|
|
|
if (context.onVideo) {
|
|
Object.assign(cleanTarget, {
|
|
readyState: context.target.readyState,
|
|
HAVE_CURRENT_DATA: context.target.HAVE_CURRENT_DATA,
|
|
});
|
|
}
|
|
}
|
|
|
|
context.target = cleanTarget;
|
|
|
|
if (context.link) {
|
|
context.link = { href: context.link.href };
|
|
}
|
|
|
|
delete context.linkURI;
|
|
}
|
|
|
|
_setContext(aEvent) {
|
|
this.context = Object.create(null);
|
|
const context = this.context;
|
|
|
|
context.screenX = aEvent.screenX;
|
|
context.screenY = aEvent.screenY;
|
|
context.mozInputSource = aEvent.mozInputSource;
|
|
|
|
const node = aEvent.target;
|
|
|
|
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
|
|
|
|
context.shouldDisplay = true;
|
|
|
|
if (node.nodeType == Ci.nsIDOMNode.DOCUMENT_NODE ||
|
|
// Don't display for XUL element unless <label class="text-link">
|
|
(node.namespaceURI == XUL_NS && !this._isXULTextLinkLabel(node))) {
|
|
context.shouldDisplay = false;
|
|
return;
|
|
}
|
|
|
|
// Initialize context to be sent to nsContextMenu
|
|
// Keep this consistent with the similar code in nsContextMenu's setContext
|
|
context.bgImageURL = "";
|
|
context.imageDescURL = "";
|
|
context.imageInfo = null;
|
|
context.mediaURL = "";
|
|
context.webExtBrowserType = "";
|
|
|
|
context.canSpellCheck = false;
|
|
context.hasBGImage = false;
|
|
context.hasMultipleBGImages = false;
|
|
context.isDesignMode = false;
|
|
context.inFrame = false;
|
|
context.inSrcdocFrame = false;
|
|
context.inSyntheticDoc = false;
|
|
context.inTabBrowser = true;
|
|
context.inWebExtBrowser = false;
|
|
|
|
context.link = null;
|
|
context.linkDownload = "";
|
|
context.linkHasNoReferrer = false;
|
|
context.linkProtocol = "";
|
|
context.linkTextStr = "";
|
|
context.linkURL = "";
|
|
context.linkURI = null;
|
|
|
|
context.onAudio = false;
|
|
context.onCanvas = false;
|
|
context.onCompletedImage = false;
|
|
context.onCTPPlugin = false;
|
|
context.onDRMMedia = false;
|
|
context.onEditableArea = false;
|
|
context.onImage = false;
|
|
context.onKeywordField = false;
|
|
context.onLink = false;
|
|
context.onLoadedImage = false;
|
|
context.onMailtoLink = false;
|
|
context.onMathML = false;
|
|
context.onMozExtLink = false;
|
|
context.onNumeric = false;
|
|
context.onPassword = false;
|
|
context.onSaveableLink = false;
|
|
context.onTextInput = false;
|
|
context.onVideo = false;
|
|
|
|
// Remember the node and its owner document that was clicked
|
|
// This may be modifed before sending to nsContextMenu
|
|
context.target = node;
|
|
|
|
context.principal = context.target.ownerDocument.nodePrincipal;
|
|
context.frameOuterWindowID = WebNavigationFrames.getFrameId(context.target.ownerGlobal);
|
|
|
|
// Check if we are in a synthetic document (stand alone image, video, etc.).
|
|
context.inSyntheticDoc = context.target.ownerDocument.mozSyntheticDocument;
|
|
|
|
context.shouldInitInlineSpellCheckerUINoChildren = false;
|
|
context.shouldInitInlineSpellCheckerUIWithChildren = false;
|
|
|
|
let editFlags = SpellCheckHelper.isEditable(context.target, this.content);
|
|
this._setContextForNodesNoChildren(editFlags);
|
|
this._setContextForNodesWithChildren(editFlags);
|
|
}
|
|
|
|
/**
|
|
* Sets up the parts of the context menu for when when nodes have no children.
|
|
*
|
|
* @param {Integer} editFlags The edit flags for the node. See SpellCheckHelper
|
|
* for the details.
|
|
*/
|
|
_setContextForNodesNoChildren(editFlags) {
|
|
const context = this.context;
|
|
|
|
if (context.target.nodeType == Ci.nsIDOMNode.TEXT_NODE) {
|
|
// For text nodes, look at the parent node to determine the spellcheck attribute.
|
|
context.canSpellCheck = context.target.parentNode &&
|
|
this._isSpellCheckEnabled(context.target);
|
|
return;
|
|
}
|
|
|
|
// We only deal with TEXT_NODE and ELEMENT_NODE in this function, so return
|
|
// early if we don't have one.
|
|
if (context.target.nodeType != Ci.nsIDOMNode.ELEMENT_NODE) {
|
|
return;
|
|
}
|
|
|
|
// See if the user clicked on an image. This check mirrors
|
|
// nsDocumentViewer::GetInImage. Make sure to update both if this is
|
|
// changed.
|
|
if (context.target instanceof Ci.nsIImageLoadingContent &&
|
|
context.target.currentURI) {
|
|
context.onImage = true;
|
|
|
|
context.imageInfo = {
|
|
currentSrc: context.target.currentSrc,
|
|
width: context.target.width,
|
|
height: context.target.height,
|
|
imageText: context.target.title || context.target.alt
|
|
};
|
|
|
|
const request = context.target.getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
|
|
|
|
if (request && (request.imageStatus & request.STATUS_SIZE_AVAILABLE)) {
|
|
context.onLoadedImage = true;
|
|
}
|
|
|
|
if (request &&
|
|
(request.imageStatus & request.STATUS_LOAD_COMPLETE) &&
|
|
!(request.imageStatus & request.STATUS_ERROR)) {
|
|
context.onCompletedImage = true;
|
|
}
|
|
|
|
context.mediaURL = context.target.currentURI.spec;
|
|
|
|
const descURL = context.target.getAttribute("longdesc");
|
|
|
|
if (descURL) {
|
|
context.imageDescURL = this._makeURLAbsolute(context.target.ownerDocument.body.baseURI,
|
|
descURL);
|
|
}
|
|
} else if (context.target instanceof this.content.HTMLCanvasElement) {
|
|
context.onCanvas = true;
|
|
} else if (context.target instanceof this.content.HTMLVideoElement) {
|
|
const mediaURL = context.target.currentSrc || context.target.src;
|
|
|
|
if (this._isMediaURLReusable(mediaURL)) {
|
|
context.mediaURL = mediaURL;
|
|
}
|
|
|
|
if (this._isProprietaryDRM()) {
|
|
context.onDRMMedia = true;
|
|
}
|
|
|
|
// Firefox always creates a HTMLVideoElement when loading an ogg file
|
|
// directly. If the media is actually audio, be smarter and provide a
|
|
// context menu with audio operations.
|
|
if (context.target.readyState >= context.target.HAVE_METADATA &&
|
|
(context.target.videoWidth == 0 || context.target.videoHeight == 0)) {
|
|
context.onAudio = true;
|
|
} else {
|
|
context.onVideo = true;
|
|
}
|
|
} else if (context.target instanceof this.content.HTMLAudioElement) {
|
|
context.onAudio = true;
|
|
const mediaURL = context.target.currentSrc || context.target.src;
|
|
|
|
if (this._isMediaURLReusable(mediaURL)) {
|
|
context.mediaURL = mediaURL;
|
|
}
|
|
|
|
if (this._isProprietaryDRM()) {
|
|
context.onDRMMedia = true;
|
|
}
|
|
} else if (editFlags & (SpellCheckHelper.INPUT | SpellCheckHelper.TEXTAREA)) {
|
|
context.onTextInput = (editFlags & SpellCheckHelper.TEXTINPUT) !== 0;
|
|
context.onNumeric = (editFlags & SpellCheckHelper.NUMERIC) !== 0;
|
|
context.onEditableArea = (editFlags & SpellCheckHelper.EDITABLE) !== 0;
|
|
context.onPassword = (editFlags & SpellCheckHelper.PASSWORD) !== 0;
|
|
|
|
if (context.onEditableArea) {
|
|
context.shouldInitInlineSpellCheckerUINoChildren = true;
|
|
}
|
|
|
|
context.onKeywordField = (editFlags & SpellCheckHelper.KEYWORD);
|
|
} else if (context.target instanceof this.content.HTMLHtmlElement) {
|
|
const bodyElt = context.target.ownerDocument.body;
|
|
|
|
if (bodyElt) {
|
|
let computedURL;
|
|
|
|
try {
|
|
computedURL = this._getComputedURL(bodyElt, "background-image");
|
|
context.hasMultipleBGImages = false;
|
|
} catch (e) {
|
|
context.hasMultipleBGImages = true;
|
|
}
|
|
|
|
if (computedURL) {
|
|
context.hasBGImage = true;
|
|
context.bgImageURL = this._makeURLAbsolute(bodyElt.baseURI,
|
|
computedURL);
|
|
}
|
|
}
|
|
} else if ((context.target instanceof this.content.HTMLEmbedElement ||
|
|
context.target instanceof this.content.HTMLObjectElement) &&
|
|
context.target.displayedType == this.content.HTMLObjectElement.TYPE_NULL &&
|
|
context.target.pluginFallbackType == this.content.HTMLObjectElement.PLUGIN_CLICK_TO_PLAY) {
|
|
context.onCTPPlugin = true;
|
|
}
|
|
|
|
context.canSpellCheck = this._isSpellCheckEnabled(context.target);
|
|
}
|
|
|
|
/**
|
|
* Sets up the parts of the context menu for when when nodes have children.
|
|
*
|
|
* @param {Integer} editFlags The edit flags for the node. See SpellCheckHelper
|
|
* for the details.
|
|
*/
|
|
_setContextForNodesWithChildren(editFlags) {
|
|
const context = this.context;
|
|
|
|
// Second, bubble out, looking for items of interest that can have childen.
|
|
// Always pick the innermost link, background image, etc.
|
|
let elem = context.target;
|
|
|
|
while (elem) {
|
|
if (elem.nodeType == Ci.nsIDOMNode.ELEMENT_NODE) {
|
|
// Link?
|
|
const XLINK_NS = "http://www.w3.org/1999/xlink";
|
|
|
|
if (!context.onLink &&
|
|
// Be consistent with what hrefAndLinkNodeForClickEvent
|
|
// does in browser.js
|
|
(this._isXULTextLinkLabel(elem) ||
|
|
(elem instanceof this.content.HTMLAnchorElement && elem.href) ||
|
|
(elem instanceof this.content.SVGAElement &&
|
|
(elem.href || elem.hasAttributeNS(XLINK_NS, "href"))) ||
|
|
(elem instanceof this.content.HTMLAreaElement && elem.href) ||
|
|
elem instanceof this.content.HTMLLinkElement ||
|
|
elem.getAttributeNS(XLINK_NS, "type") == "simple")) {
|
|
|
|
// Target is a link or a descendant of a link.
|
|
context.onLink = true;
|
|
|
|
// Remember corresponding element.
|
|
context.link = elem;
|
|
context.linkURL = this._getLinkURL();
|
|
context.linkURI = this._getLinkURI();
|
|
context.linkTextStr = this._getLinkText();
|
|
context.linkProtocol = this._getLinkProtocol();
|
|
context.onMailtoLink = (context.linkProtocol == "mailto");
|
|
context.onMozExtLink = (context.linkProtocol == "moz-extension");
|
|
context.onSaveableLink = this._isLinkSaveable(context.link);
|
|
context.linkHasNoReferrer = BrowserUtils.linkHasNoReferrer(elem);
|
|
|
|
try {
|
|
if (elem.download) {
|
|
// Ignore download attribute on cross-origin links
|
|
context.principal.checkMayLoad(context.linkURI, false, true);
|
|
context.linkDownload = elem.download;
|
|
}
|
|
} catch (ex) {}
|
|
}
|
|
|
|
// Background image? Don't bother if we've already found a
|
|
// background image further down the hierarchy. Otherwise,
|
|
// we look for the computed background-image style.
|
|
if (!context.hasBGImage &&
|
|
!context.hasMultipleBGImages) {
|
|
let bgImgUrl = null;
|
|
|
|
try {
|
|
bgImgUrl = this._getComputedURL(elem, "background-image");
|
|
context.hasMultipleBGImages = false;
|
|
} catch (e) {
|
|
context.hasMultipleBGImages = true;
|
|
}
|
|
|
|
if (bgImgUrl) {
|
|
context.hasBGImage = true;
|
|
context.bgImageURL = this._makeURLAbsolute(elem.baseURI,
|
|
bgImgUrl);
|
|
}
|
|
}
|
|
}
|
|
|
|
elem = elem.parentNode;
|
|
}
|
|
|
|
// See if the user clicked on MathML
|
|
const MathML_NS = "http://www.w3.org/1998/Math/MathML";
|
|
|
|
if ((context.target.nodeType == Ci.nsIDOMNode.TEXT_NODE &&
|
|
context.target.parentNode.namespaceURI == MathML_NS) ||
|
|
(context.target.namespaceURI == MathML_NS)) {
|
|
context.onMathML = true;
|
|
}
|
|
|
|
// See if the user clicked in a frame.
|
|
const docDefaultView = context.target.ownerGlobal;
|
|
|
|
if (docDefaultView != docDefaultView.top) {
|
|
context.inFrame = true;
|
|
|
|
if (context.target.ownerDocument.isSrcdocDocument) {
|
|
context.inSrcdocFrame = true;
|
|
}
|
|
}
|
|
|
|
// if the document is editable, show context menu like in text inputs
|
|
if (!context.onEditableArea) {
|
|
if (editFlags & SpellCheckHelper.CONTENTEDITABLE) {
|
|
// If this._onEditableArea is false but editFlags is CONTENTEDITABLE, then
|
|
// the document itself must be editable.
|
|
context.onTextInput = true;
|
|
context.onKeywordField = false;
|
|
context.onImage = false;
|
|
context.onLoadedImage = false;
|
|
context.onCompletedImage = false;
|
|
context.onMathML = false;
|
|
context.inFrame = false;
|
|
context.inSrcdocFrame = false;
|
|
context.hasBGImage = false;
|
|
context.isDesignMode = true;
|
|
context.onEditableArea = true;
|
|
context.shouldInitInlineSpellCheckerUIWithChildren = true;
|
|
}
|
|
}
|
|
}
|
|
}
|