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authorThomas Groman <tgroman@nuegia.net>2019-12-16 19:48:42 -0800
committerThomas Groman <tgroman@nuegia.net>2019-12-16 19:48:42 -0800
commit4492b5f8e774bf3b4f21e4e468fc052cbcbb468a (patch)
tree37970571a7dcbeb6b58c991ce718ce7001ac97d6 /base/content/nsContextMenu.js
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+# 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/.
+
+Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
+
+var gContextMenuContentData = null;
+
+function nsContextMenu(aXulMenu, aIsShift) {
+ this.shouldDisplay = true;
+ this.initMenu(aXulMenu, aIsShift);
+}
+
+// Prototype for nsContextMenu "class."
+nsContextMenu.prototype = {
+ initMenu: function CM_initMenu(aXulMenu, aIsShift) {
+ // Get contextual info.
+ this.setTarget(document.popupNode, document.popupRangeParent,
+ document.popupRangeOffset);
+ if (!this.shouldDisplay)
+ return;
+
+ this.hasPageMenu = false;
+ if (!aIsShift) {
+ this.hasPageMenu = PageMenu.maybeBuildAndAttachMenu(this.target,
+ aXulMenu);
+ }
+
+ this.isFrameImage = document.getElementById("isFrameImage");
+ this.ellipsis = "\u2026";
+ try {
+ this.ellipsis = gPrefService.getComplexValue("intl.ellipsis",
+ Ci.nsIPrefLocalizedString).data;
+ } catch (e) { }
+
+ this.isContentSelected = this.isContentSelection();
+ this.onPlainTextLink = false;
+
+ // Initialize (disable/remove) menu items.
+ this.initItems();
+ },
+
+ hiding: function CM_hiding() {
+ gContextMenuContentData = null;
+ InlineSpellCheckerUI.clearSuggestionsFromMenu();
+ InlineSpellCheckerUI.clearDictionaryListFromMenu();
+ InlineSpellCheckerUI.uninit();
+ },
+
+ initItems: function CM_initItems() {
+ this.initPageMenuSeparator();
+ this.initOpenItems();
+ this.initNavigationItems();
+ this.initViewItems();
+ this.initMiscItems();
+ this.initSpellingItems();
+ this.initSaveItems();
+ this.initClipboardItems();
+ this.initMediaPlayerItems();
+ this.initLeaveDOMFullScreenItems();
+ this.initClickToPlayItems();
+ },
+
+ initPageMenuSeparator: function CM_initPageMenuSeparator() {
+ this.showItem("page-menu-separator", this.hasPageMenu);
+ },
+
+ initOpenItems: function CM_initOpenItems() {
+ var isMailtoInternal = false;
+ if (this.onMailtoLink) {
+ var mailtoHandler = Cc["@mozilla.org/uriloader/external-protocol-service;1"].
+ getService(Ci.nsIExternalProtocolService).
+ getProtocolHandlerInfo("mailto");
+ isMailtoInternal = (!mailtoHandler.alwaysAskBeforeHandling &&
+ mailtoHandler.preferredAction == Ci.nsIHandlerInfo.useHelperApp &&
+ (mailtoHandler.preferredApplicationHandler instanceof Ci.nsIWebHandlerApp));
+ }
+
+ // Time to do some bad things and see if we've highlighted a URL that
+ // isn't actually linked.
+ if (this.isTextSelected && !this.onLink) {
+ // Ok, we have some text, let's figure out if it looks like a URL.
+ let selection = document.commandDispatcher.focusedWindow
+ .getSelection();
+ let linkText = selection.toString().trim();
+ let uri;
+ if (/^(?:https?|ftp):/i.test(linkText)) {
+ try {
+ uri = makeURI(linkText);
+ } catch (ex) {}
+ }
+ // Check if this could be a valid url, just missing the protocol.
+ else if (/^[-a-z\d\.]+\.[-a-z\d]{2,}[-_=~:#%&\?\w\/\.]*$/i.test(linkText)) {
+ let uriFixup = Cc["@mozilla.org/docshell/urifixup;1"]
+ .getService(Ci.nsIURIFixup);
+ try {
+ uri = uriFixup.createFixupURI(linkText, uriFixup.FIXUP_FLAG_NONE);
+ } catch (ex) {}
+ }
+
+ if (uri && uri.host) {
+ this.linkURI = uri;
+ this.linkURL = this.linkURI.spec;
+ this.onPlainTextLink = true;
+ }
+ }
+
+ var shouldShow = this.onSaveableLink || isMailtoInternal || this.onPlainTextLink;
+ var isWindowPrivate = PrivateBrowsingUtils.isWindowPrivate(window);
+ this.showItem("context-openlink", shouldShow && !isWindowPrivate);
+ this.showItem("context-openlinkprivate", shouldShow);
+ this.showItem("context-openlinkintab", shouldShow);
+ this.showItem("context-openlinkincurrent", shouldShow);
+ this.showItem("context-sep-open", shouldShow);
+ },
+
+ initNavigationItems: function CM_initNavigationItems() {
+ var shouldShow = !(this.isContentSelected || this.onLink || this.onImage ||
+ this.onCanvas || this.onVideo || this.onAudio ||
+ this.onTextInput);
+ this.showItem("context-back", shouldShow);
+ this.showItem("context-forward", shouldShow);
+
+ let stopped = XULBrowserWindow.stopCommand.getAttribute("disabled") == "true";
+
+ let stopReloadItem = "";
+ if (shouldShow) {
+ stopReloadItem = stopped ? "reload" : "stop";
+ }
+
+ this.showItem("context-reload", stopReloadItem == "reload");
+ this.showItem("context-stop", stopReloadItem == "stop");
+ this.showItem("context-sep-stop", !!stopReloadItem);
+
+ // XXX: Stop is determined in browser.js; the canStop broadcaster is broken
+ //this.setItemAttrFromNode( "context-stop", "disabled", "canStop" );
+ },
+
+ initLeaveDOMFullScreenItems: function CM_initLeaveFullScreenItem() {
+ // only show the option if the user is in DOM fullscreen
+ var shouldShow = (this.target.ownerDocument.mozFullScreenElement != null);
+ this.showItem("context-leave-dom-fullscreen", shouldShow);
+
+ // Explicitly show if in DOM fullscreen, but do not hide it has already been shown
+ if (shouldShow)
+ this.showItem("context-media-sep-commands", true);
+ },
+
+ initSaveItems: function CM_initSaveItems() {
+ var shouldShow = !(this.onTextInput || this.onLink ||
+ this.isContentSelected || this.onImage ||
+ this.onCanvas || this.onVideo || this.onAudio);
+ this.showItem("context-savepage", shouldShow);
+ this.showItem("context-sendpage", shouldShow);
+
+ // Save+Send link depends on whether we're in a link, or selected text matches valid URL pattern.
+ this.showItem("context-savelink", this.onSaveableLink || this.onPlainTextLink);
+ this.showItem("context-sendlink", this.onSaveableLink || this.onPlainTextLink);
+
+ // Save image depends on having loaded its content, video and audio don't.
+ this.showItem("context-saveimage", this.onLoadedImage || this.onCanvas);
+ this.showItem("context-savevideo", this.onVideo);
+ this.showItem("context-saveaudio", this.onAudio);
+ this.showItem("context-video-saveimage", this.onVideo);
+ this.setItemAttr("context-savevideo", "disabled", !this.mediaURL);
+ this.setItemAttr("context-saveaudio", "disabled", !this.mediaURL);
+ // Send media URL (but not for canvas, since it's a big data: URL)
+ this.showItem("context-sendimage", this.onImage);
+ this.showItem("context-sendvideo", this.onVideo);
+ this.showItem("context-sendaudio", this.onAudio);
+ this.setItemAttr("context-sendvideo", "disabled", !this.mediaURL);
+ this.setItemAttr("context-sendaudio", "disabled", !this.mediaURL);
+ },
+
+ initViewItems: function CM_initViewItems() {
+ // View source is always OK, unless in directory listing.
+ this.showItem("context-viewpartialsource-selection",
+ this.isContentSelected);
+ this.showItem("context-viewpartialsource-mathml",
+ this.onMathML && !this.isContentSelected);
+
+ var shouldShow = !(this.isContentSelected ||
+ this.onImage || this.onCanvas ||
+ this.onVideo || this.onAudio ||
+ this.onLink || this.onTextInput);
+ this.showItem("context-viewsource", shouldShow);
+ this.showItem("context-viewinfo", shouldShow);
+#ifdef MOZ_DEVTOOLS
+ var showInspect = gPrefService.getBoolPref("devtools.inspector.enabled");
+ this.showItem("inspect-separator", showInspect);
+ this.showItem("context-inspect", showInspect);
+#endif
+
+ this.showItem("context-sep-viewsource", shouldShow);
+
+ // Set as Desktop background depends on whether an image was clicked on,
+ // and only works if we have a shell service.
+ var haveSetDesktopBackground = false;
+#ifdef HAVE_SHELL_SERVICE
+ // Only enable Set as Desktop Background if we can get the shell service.
+ var shell = getShellService();
+ if (shell)
+ haveSetDesktopBackground = shell.canSetDesktopBackground;
+#endif
+ this.showItem("context-setDesktopBackground",
+ haveSetDesktopBackground && this.onLoadedImage);
+
+ if (haveSetDesktopBackground && this.onLoadedImage) {
+ document.getElementById("context-setDesktopBackground")
+ .disabled = this.disableSetDesktopBackground();
+ }
+
+ // Reload image depends on an image that's not fully loaded
+ this.showItem("context-reloadimage", (this.onImage && !this.onCompletedImage));
+
+ // View image depends on having an image that's not standalone
+ // (or is in a frame), or a canvas.
+ this.showItem("context-viewimage", (this.onImage &&
+ (!this.inSyntheticDoc || this.inFrame)) || this.onCanvas);
+
+ // View video depends on not having a standalone video.
+ this.showItem("context-viewvideo", this.onVideo && (!this.inSyntheticDoc || this.inFrame));
+ this.setItemAttr("context-viewvideo", "disabled", !this.mediaURL);
+
+ // View background image depends on whether there is one, but don't make
+ // background images of a stand-alone media document available.
+ this.showItem("context-viewbgimage", shouldShow &&
+ !this._hasMultipleBGImages &&
+ !this.inSyntheticDoc);
+ this.showItem("context-sep-viewbgimage", shouldShow &&
+ !this._hasMultipleBGImages &&
+ !this.inSyntheticDoc);
+ document.getElementById("context-viewbgimage")
+ .disabled = !this.hasBGImage;
+
+ this.showItem("context-viewimageinfo", this.onImage);
+ },
+
+ initMiscItems: function CM_initMiscItems() {
+ // Use "Bookmark This Link" if on a link.
+ this.showItem("context-bookmarkpage",
+ !(this.isContentSelected || this.onTextInput || this.onLink ||
+ this.onImage || this.onVideo || this.onAudio));
+ this.showItem("context-bookmarklink", (this.onLink && !this.onMailtoLink) ||
+ this.onPlainTextLink);
+ this.showItem("context-keywordfield",
+ this.onTextInput && this.onKeywordField);
+ this.showItem("frame", this.inFrame);
+
+ let showSearchSelect = (this.isTextSelected || this.onLink) && !this.onImage;
+ this.showItem("context-searchselect", showSearchSelect);
+ if (showSearchSelect) {
+ this.formatSearchContextItem();
+ }
+
+ // srcdoc cannot be opened separately due to concerns about web
+ // content with about:srcdoc in location bar masquerading as trusted
+ // chrome/addon content.
+ // No need to also test for this.inFrame as this is checked in the parent
+ // submenu.
+ this.showItem("context-showonlythisframe", !this.inSrcdocFrame);
+ this.showItem("context-openframeintab", !this.inSrcdocFrame);
+ this.showItem("context-openframe", !this.inSrcdocFrame);
+ this.showItem("context-bookmarkframe", !this.inSrcdocFrame);
+ this.showItem("open-frame-sep", !this.inSrcdocFrame);
+
+ this.showItem("frame-sep", this.inFrame && this.isTextSelected);
+
+ // Hide menu entries for images, show otherwise
+ if (this.inFrame) {
+ if (BrowserUtils.mimeTypeIsTextBased(this.target.ownerDocument.contentType))
+ this.isFrameImage.removeAttribute('hidden');
+ else
+ this.isFrameImage.setAttribute('hidden', 'true');
+ }
+
+ // BiDi UI
+ this.showItem("context-sep-bidi", top.gBidiUI);
+ this.showItem("context-bidi-text-direction-toggle",
+ this.onTextInput && top.gBidiUI);
+ this.showItem("context-bidi-page-direction-toggle",
+ !this.onTextInput && top.gBidiUI);
+ },
+
+ initSpellingItems: function() {
+ var canSpell = InlineSpellCheckerUI.canSpellCheck && this.canSpellCheck;
+ var onMisspelling = InlineSpellCheckerUI.overMisspelling;
+ var showUndo = canSpell && InlineSpellCheckerUI.canUndo();
+ this.showItem("spell-check-enabled", canSpell);
+ this.showItem("spell-separator", canSpell || this.onEditableArea);
+ document.getElementById("spell-check-enabled")
+ .setAttribute("checked", canSpell && InlineSpellCheckerUI.enabled);
+
+ this.showItem("spell-add-to-dictionary", onMisspelling);
+ this.showItem("spell-undo-add-to-dictionary", showUndo);
+
+ // suggestion list
+ this.showItem("spell-suggestions-separator", onMisspelling || showUndo);
+ if (onMisspelling) {
+ var suggestionsSeparator =
+ document.getElementById("spell-add-to-dictionary");
+ var numsug =
+ InlineSpellCheckerUI.addSuggestionsToMenu(suggestionsSeparator.parentNode,
+ suggestionsSeparator, 5);
+ this.showItem("spell-no-suggestions", numsug == 0);
+ }
+ else
+ this.showItem("spell-no-suggestions", false);
+
+ // dictionary list
+ this.showItem("spell-dictionaries", canSpell && InlineSpellCheckerUI.enabled);
+ if (canSpell) {
+ var dictMenu = document.getElementById("spell-dictionaries-menu");
+ var dictSep = document.getElementById("spell-language-separator");
+ InlineSpellCheckerUI.addDictionaryListToMenu(dictMenu, dictSep);
+ this.showItem("spell-add-dictionaries-main", false);
+ }
+ else if (this.onEditableArea) {
+ // when there is no spellchecker but we might be able to spellcheck
+ // add the add to dictionaries item. This will ensure that people
+ // with no dictionaries will be able to download them
+ this.showItem("spell-add-dictionaries-main", true);
+ }
+ else
+ this.showItem("spell-add-dictionaries-main", false);
+ },
+
+ initClipboardItems: function() {
+ // Copy depends on whether there is selected text.
+ // Enabling this context menu item is now done through the global
+ // command updating system
+ // this.setItemAttr( "context-copy", "disabled", !this.isTextSelected() );
+ goUpdateGlobalEditMenuItems();
+
+ this.showItem("context-undo", this.onTextInput);
+ this.showItem("context-sep-undo", this.onTextInput);
+ this.showItem("context-cut", this.onTextInput);
+ this.showItem("context-copy",
+ this.isContentSelected || this.onTextInput);
+ this.showItem("context-paste", this.onTextInput);
+ this.showItem("context-delete", this.onTextInput);
+ this.showItem("context-sep-paste", this.onTextInput);
+ this.showItem("context-selectall", !(this.onLink || this.onImage ||
+ this.onVideo || this.onAudio ||
+ this.inSyntheticDoc) ||
+ this.isDesignMode);
+ this.showItem("context-sep-selectall", this.isContentSelected );
+
+ // XXX dr
+ // ------
+ // nsDocumentViewer.cpp has code to determine whether we're
+ // on a link or an image. we really ought to be using that...
+
+ // Copy email link depends on whether we're on an email link.
+ this.showItem("context-copyemail", this.onMailtoLink);
+
+ // Copy link location depends on whether we're on a non-mailto link.
+ this.showItem("context-copylink", this.onLink && !this.onMailtoLink);
+ this.showItem("context-sep-copylink", this.onLink &&
+ (this.onImage || this.onVideo || this.onAudio));
+
+#ifdef CONTEXT_COPY_IMAGE_CONTENTS
+ // Copy image contents depends on whether we're on an image.
+ this.showItem("context-copyimage-contents", this.onImage);
+#endif
+ // Copy image location depends on whether we're on an image.
+ this.showItem("context-copyimage", this.onImage);
+ this.showItem("context-copyvideourl", this.onVideo);
+ this.showItem("context-copyaudiourl", this.onAudio);
+ this.setItemAttr("context-copyvideourl", "disabled", !this.mediaURL);
+ this.setItemAttr("context-copyaudiourl", "disabled", !this.mediaURL);
+ this.showItem("context-sep-copyimage", this.onImage ||
+ this.onVideo || this.onAudio);
+ },
+
+ initMediaPlayerItems: function() {
+ var onMedia = (this.onVideo || this.onAudio);
+ // Several mutually exclusive items... play/pause, mute/unmute, show/hide
+ this.showItem("context-media-play", onMedia && (this.target.paused || this.target.ended));
+ this.showItem("context-media-pause", onMedia && !this.target.paused && !this.target.ended);
+ this.showItem("context-media-mute", onMedia && !this.target.muted);
+ this.showItem("context-media-unmute", onMedia && this.target.muted);
+ this.showItem("context-media-playbackrate", onMedia);
+ this.showItem("context-media-loop", onMedia);
+ this.showItem("context-media-showcontrols", onMedia && !this.target.controls);
+ this.showItem("context-media-hidecontrols", onMedia && this.target.controls);
+ this.showItem("context-video-fullscreen", this.onVideo && this.target.ownerDocument.mozFullScreenElement == null);
+ var statsShowing = this.onVideo && XPCNativeWrapper.unwrap(this.target).mozMediaStatisticsShowing;
+ this.showItem("context-video-showstats", this.onVideo && this.target.controls && !statsShowing);
+ this.showItem("context-video-hidestats", this.onVideo && this.target.controls && statsShowing);
+
+ // Disable them when there isn't a valid media source loaded.
+ if (onMedia) {
+ this.setItemAttr("context-media-playbackrate-050x", "checked", this.target.playbackRate == 0.5);
+ this.setItemAttr("context-media-playbackrate-100x", "checked", this.target.playbackRate == 1.0);
+ this.setItemAttr("context-media-playbackrate-150x", "checked", this.target.playbackRate == 1.5);
+ this.setItemAttr("context-media-playbackrate-200x", "checked", this.target.playbackRate == 2.0);
+ this.setItemAttr("context-media-loop", "checked", this.target.loop);
+ var hasError = this.target.error != null ||
+ this.target.networkState == this.target.NETWORK_NO_SOURCE;
+ this.setItemAttr("context-media-play", "disabled", hasError);
+ this.setItemAttr("context-media-pause", "disabled", hasError);
+ this.setItemAttr("context-media-mute", "disabled", hasError);
+ this.setItemAttr("context-media-unmute", "disabled", hasError);
+ this.setItemAttr("context-media-playbackrate", "disabled", hasError);
+ this.setItemAttr("context-media-playbackrate-050x", "disabled", hasError);
+ this.setItemAttr("context-media-playbackrate-100x", "disabled", hasError);
+ this.setItemAttr("context-media-playbackrate-150x", "disabled", hasError);
+ this.setItemAttr("context-media-playbackrate-200x", "disabled", hasError);
+ this.setItemAttr("context-media-showcontrols", "disabled", hasError);
+ this.setItemAttr("context-media-hidecontrols", "disabled", hasError);
+ if (this.onVideo) {
+ let canSaveSnapshot = this.target.readyState >= this.target.HAVE_CURRENT_DATA;
+ this.setItemAttr("context-video-saveimage", "disabled", !canSaveSnapshot);
+ this.setItemAttr("context-video-fullscreen", "disabled", hasError);
+ this.setItemAttr("context-video-showstats", "disabled", hasError);
+ this.setItemAttr("context-video-hidestats", "disabled", hasError);
+ }
+ }
+ this.showItem("context-media-sep-commands", onMedia);
+ },
+
+ initClickToPlayItems: function() {
+ this.showItem("context-ctp-play", this.onCTPPlugin);
+ this.showItem("context-ctp-hide", this.onCTPPlugin);
+ this.showItem("context-sep-ctp", this.onCTPPlugin);
+ },
+
+ inspectNode: function CM_inspectNode() {
+ let {devtools} = Cu.import("resource://devtools/shared/Loader.jsm", {});
+ let gBrowser = this.browser.ownerDocument.defaultView.gBrowser;
+ let target = devtools.TargetFactory.forTab(gBrowser.selectedTab);
+
+ return gDevTools.showToolbox(target, "inspector").then(function(toolbox) {
+ let inspector = toolbox.getCurrentPanel();
+
+ this.browser.messageManager.sendAsyncMessage("debug:inspect", {}, {node: this.target});
+ inspector.walker.findInspectingNode().then(nodeFront => {
+ inspector.selection.setNodeFront(nodeFront, "browser-context-menu");
+ });
+ }.bind(this));
+ },
+
+ // Set various context menu attributes based on the state of the world.
+ setTarget: function (aNode, aRangeParent, aRangeOffset) {
+ const xulNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+ if (aNode.namespaceURI == xulNS ||
+ aNode.nodeType == Node.DOCUMENT_NODE ||
+ this.isDisabledForEvents(aNode)) {
+ this.shouldDisplay = false;
+ return;
+ }
+
+ // Initialize contextual info.
+ this.onImage = false;
+ this.onLoadedImage = false;
+ this.onCompletedImage = false;
+ this.onCanvas = false;
+ this.onVideo = false;
+ this.onAudio = false;
+ this.onTextInput = false;
+ this.onKeywordField = false;
+ this.mediaURL = "";
+ this.onLink = false;
+ this.onMailtoLink = false;
+ this.onSaveableLink = false;
+ this.link = null;
+ this.linkURL = "";
+ this.linkURI = null;
+ this.linkProtocol = "";
+ this.linkDownload = "";
+ this.onMathML = false;
+ this.inFrame = false;
+ this.inSrcdocFrame = false;
+ this.inSyntheticDoc = false;
+ this.hasBGImage = false;
+ this.bgImageURL = "";
+ this.onEditableArea = false;
+ this.isDesignMode = false;
+ this.onCTPPlugin = false;
+ this.canSpellCheck = false;
+ this.textSelected = getBrowserSelection();
+ this.isTextSelected = this.textSelected.length != 0;
+
+ // Remember the node that was clicked.
+ this.target = aNode;
+
+ this.browser = this.target.ownerDocument.defaultView
+ .QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIWebNavigation)
+ .QueryInterface(Ci.nsIDocShell)
+ .chromeEventHandler;
+
+ // Check if we are in a synthetic document (stand alone image, video, etc.).
+ this.inSyntheticDoc = this.target.ownerDocument.mozSyntheticDocument;
+ // First, do checks for nodes that never have children.
+ if (this.target.nodeType == Node.ELEMENT_NODE) {
+ // See if the user clicked on an image.
+ if (this.target instanceof Ci.nsIImageLoadingContent &&
+ this.target.currentURI) {
+ this.onImage = true;
+
+ var request =
+ this.target.getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
+ if (request && (request.imageStatus & request.STATUS_SIZE_AVAILABLE))
+ this.onLoadedImage = true;
+ if (request && (request.imageStatus & request.STATUS_LOAD_COMPLETE))
+ this.onCompletedImage = true;
+
+ this.mediaURL = this.target.currentURI.spec;
+ }
+ else if (this.target instanceof HTMLCanvasElement) {
+ this.onCanvas = true;
+ }
+ else if (this.target instanceof HTMLVideoElement) {
+ this.mediaURL = this.target.currentSrc || this.target.src;
+ // 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 (this.target.readyState >= this.target.HAVE_METADATA &&
+ (this.target.videoWidth == 0 || this.target.videoHeight == 0)) {
+ this.onAudio = true;
+ } else {
+ this.onVideo = true;
+ }
+ }
+ else if (this.target instanceof HTMLAudioElement) {
+ this.onAudio = true;
+ this.mediaURL = this.target.currentSrc || this.target.src;
+ }
+ else if (this.target instanceof HTMLInputElement ) {
+ this.onTextInput = this.isTargetATextBox(this.target);
+ // Allow spellchecking UI on all text and search inputs.
+ if (this.onTextInput && ! this.target.readOnly &&
+ (this.target.type == "text" || this.target.type == "search")) {
+ this.onEditableArea = true;
+ InlineSpellCheckerUI.init(this.target.QueryInterface(Ci.nsIDOMNSEditableElement).editor);
+ InlineSpellCheckerUI.initFromEvent(aRangeParent, aRangeOffset);
+ }
+ this.onKeywordField = this.isTargetAKeywordField(this.target);
+ }
+ else if (this.target instanceof HTMLTextAreaElement) {
+ this.onTextInput = true;
+ if (!this.target.readOnly) {
+ this.onEditableArea = true;
+ InlineSpellCheckerUI.init(this.target.QueryInterface(Ci.nsIDOMNSEditableElement).editor);
+ InlineSpellCheckerUI.initFromEvent(aRangeParent, aRangeOffset);
+ }
+ }
+ else if (this.target instanceof HTMLHtmlElement) {
+ var bodyElt = this.target.ownerDocument.body;
+ if (bodyElt) {
+ let computedURL;
+ try {
+ computedURL = this.getComputedURL(bodyElt, "background-image");
+ this._hasMultipleBGImages = false;
+ } catch (e) {
+ this._hasMultipleBGImages = true;
+ }
+ if (computedURL) {
+ this.hasBGImage = true;
+ this.bgImageURL = makeURLAbsolute(bodyElt.baseURI,
+ computedURL);
+ }
+ }
+ }
+ else if ((this.target instanceof HTMLEmbedElement ||
+ this.target instanceof HTMLObjectElement ||
+ this.target instanceof HTMLAppletElement) &&
+ this.target.displayedType == HTMLObjectElement.TYPE_NULL &&
+ this.target.pluginFallbackType == HTMLObjectElement.PLUGIN_CLICK_TO_PLAY) {
+ this.onCTPPlugin = true;
+ }
+
+ this.canSpellCheck = this._isSpellCheckEnabled(this.target);
+ }
+ else if (this.target.nodeType == Node.TEXT_NODE) {
+ // For text nodes, look at the parent node to determine the spellcheck attribute.
+ this.canSpellCheck = this.target.parentNode &&
+ this._isSpellCheckEnabled(this.target);
+ }
+
+ // Second, bubble out, looking for items of interest that can have childen.
+ // Always pick the innermost link, background image, etc.
+ const XMLNS = "http://www.w3.org/XML/1998/namespace";
+ var elem = this.target;
+ while (elem) {
+ if (elem.nodeType == Node.ELEMENT_NODE) {
+ // Link?
+ if (!this.onLink &&
+ // Be consistent with what hrefAndLinkNodeForClickEvent
+ // does in browser.js
+ ((elem instanceof HTMLAnchorElement && elem.href) ||
+ (elem instanceof HTMLAreaElement && elem.href) ||
+ elem instanceof HTMLLinkElement ||
+ elem.getAttributeNS("http://www.w3.org/1999/xlink", "type") == "simple")) {
+
+ // Target is a link or a descendant of a link.
+ this.onLink = true;
+
+ // Remember corresponding element.
+ this.link = elem;
+ this.linkURL = this.getLinkURL();
+ this.linkURI = this.getLinkURI();
+ this.linkProtocol = this.getLinkProtocol();
+ this.onMailtoLink = (this.linkProtocol == "mailto");
+ this.onSaveableLink = this.isLinkSaveable( this.link );
+ try {
+ if (elem.download) {
+ // Ignore download attribute on cross-origin links?
+ // This shoudn't be an issue because the download link presents
+ // the originating URL domain and protocol to help user understand
+ // from where file is downloaded and make right decision.
+ // If we decide we want this restriction:
+ // this.principal.checkMayLoad(this.linkURI, false, true);
+ this.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 (!this.hasBGImage &&
+ !this._hasMultipleBGImages) {
+ let bgImgUrl;
+ try {
+ bgImgUrl = this.getComputedURL(elem, "background-image");
+ this._hasMultipleBGImages = false;
+ } catch (e) {
+ this._hasMultipleBGImages = true;
+ }
+ if (bgImgUrl) {
+ this.hasBGImage = true;
+ this.bgImageURL = makeURLAbsolute(elem.baseURI,
+ bgImgUrl);
+ }
+ }
+ }
+
+ elem = elem.parentNode;
+ }
+
+ // See if the user clicked on MathML
+ const NS_MathML = "http://www.w3.org/1998/Math/MathML";
+ if ((this.target.nodeType == Node.TEXT_NODE &&
+ this.target.parentNode.namespaceURI == NS_MathML)
+ || (this.target.namespaceURI == NS_MathML))
+ this.onMathML = true;
+
+ // See if the user clicked in a frame.
+ var docDefaultView = this.target.ownerDocument.defaultView;
+ if (docDefaultView != docDefaultView.top) {
+ this.inFrame = true;
+
+ if (this.target.ownerDocument.isSrcdocDocument) {
+ this.inSrcdocFrame = true;
+ }
+ }
+
+ // if the document is editable, show context menu like in text inputs
+ if (!this.onEditableArea) {
+ var win = this.target.ownerDocument.defaultView;
+ if (win) {
+ var isEditable = false;
+ try {
+ var editingSession = win.QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIWebNavigation)
+ .QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIEditingSession);
+ if (editingSession.windowIsEditable(win) &&
+ this.getComputedStyle(this.target, "-moz-user-modify") == "read-write") {
+ isEditable = true;
+ }
+ }
+ catch(ex) {
+ // If someone built with composer disabled, we can't get an editing session.
+ }
+
+ if (isEditable) {
+ this.onTextInput = true;
+ this.onKeywordField = false;
+ this.onImage = false;
+ this.onLoadedImage = false;
+ this.onCompletedImage = false;
+ this.onMathML = false;
+ this.inFrame = false;
+ this.inSrcdocFrame = false;
+ this.hasBGImage = false;
+ this.isDesignMode = true;
+ this.onEditableArea = true;
+ InlineSpellCheckerUI.init(editingSession.getEditorForWindow(win));
+ var canSpell = InlineSpellCheckerUI.canSpellCheck && this.canSpellCheck;
+ InlineSpellCheckerUI.initFromEvent(aRangeParent, aRangeOffset);
+ this.showItem("spell-check-enabled", canSpell);
+ this.showItem("spell-separator", canSpell);
+ }
+ }
+ }
+ },
+
+ // Returns the computed style attribute for the given element.
+ getComputedStyle: function(aElem, aProp) {
+ return aElem.ownerDocument
+ .defaultView
+ .getComputedStyle(aElem, "").getPropertyValue(aProp);
+ },
+
+ // Returns a "url"-type computed style attribute value, with the url() stripped.
+ getComputedURL: function(aElem, aProp) {
+ var url = aElem.ownerDocument
+ .defaultView.getComputedStyle(aElem, "")
+ .getPropertyCSSValue(aProp);
+ if (url instanceof CSSValueList) {
+ if (url.length != 1)
+ throw "found multiple URLs";
+ url = url[0];
+ }
+ return url.primitiveType == CSSPrimitiveValue.CSS_URI ?
+ url.getStringValue() : null;
+ },
+
+ // Returns true if clicked-on link targets a resource that can be saved.
+ isLinkSaveable: function(aLink) {
+ // We don't do the Right Thing for news/snews yet, so turn them off
+ // until we do.
+ return this.linkProtocol && !(
+ this.linkProtocol == "mailto" ||
+ this.linkProtocol == "javascript" ||
+ this.linkProtocol == "news" ||
+ this.linkProtocol == "snews" );
+ },
+
+ _isSpellCheckEnabled: function(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
+ var 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;
+ },
+
+ // Open linked-to URL in a new window.
+ openLink : function () {
+ var doc = this.target.ownerDocument;
+ urlSecurityCheck(this.linkURL, doc.nodePrincipal);
+ openLinkIn(this.linkURL, "window",
+ { charset: doc.characterSet,
+ referrerURI: doc.documentURIObject,
+ referrerPolicy: doc.referrerPolicy,
+ originPrincipal: doc.nodePrincipal,
+ triggeringPrincipal: doc.nodePrincipal });
+ },
+
+ // Open linked-to URL in a new private window.
+ openLinkInPrivateWindow : function () {
+ var doc = this.target.ownerDocument;
+ urlSecurityCheck(this.linkURL, doc.nodePrincipal);
+ openLinkIn(this.linkURL, "window",
+ { charset: doc.characterSet,
+ referrerURI: doc.documentURIObject,
+ referrerPolicy: doc.referrerPolicy,
+ originPrincipal: doc.nodePrincipal,
+ triggeringPrincipal: doc.nodePrincipal,
+ private: true });
+ },
+
+ // Open linked-to URL in a new tab.
+ openLinkInTab: function() {
+ var doc = this.target.ownerDocument;
+ urlSecurityCheck(this.linkURL, doc.nodePrincipal);
+ openLinkIn(this.linkURL, "tab",
+ { charset: doc.characterSet,
+ referrerURI: doc.documentURIObject,
+ referrerPolicy: doc.referrerPolicy,
+ originPrincipal: doc.nodePrincipal,
+ triggeringPrincipal: doc.nodePrincipal });
+ },
+
+ // open URL in current tab
+ openLinkInCurrent: function() {
+ var doc = this.target.ownerDocument;
+ urlSecurityCheck(this.linkURL, doc.nodePrincipal);
+ openLinkIn(this.linkURL, "current",
+ { charset: doc.characterSet,
+ referrerURI: doc.documentURIObject,
+ originPrincipal: doc.nodePrincipal,
+ triggeringPrincipal: doc.nodePrincipal });
+ },
+
+ // Open frame in a new tab.
+ openFrameInTab: function() {
+ var doc = this.target.ownerDocument;
+ var frameURL = doc.location.href;
+ var referrer = doc.referrer;
+ openLinkIn(frameURL, "tab",
+ { charset: doc.characterSet,
+ referrerURI: referrer ? makeURI(referrer) : null });
+ },
+
+ // Reload clicked-in frame.
+ reloadFrame: function() {
+ this.target.ownerDocument.location.reload();
+ },
+
+ // Open clicked-in frame in its own window.
+ openFrame: function() {
+ var doc = this.target.ownerDocument;
+ var frameURL = doc.location.href;
+ var referrer = doc.referrer;
+ openLinkIn(frameURL, "window",
+ { charset: doc.characterSet,
+ referrerURI: referrer ? makeURI(referrer) : null });
+ },
+
+ // Open clicked-in frame in the same window.
+ showOnlyThisFrame: function() {
+ var doc = this.target.ownerDocument;
+ var frameURL = doc.location.href;
+
+ urlSecurityCheck(frameURL, this.browser.contentPrincipal,
+ Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
+ var referrer = doc.referrer;
+ openUILinkIn(frameURL, "current", { disallowInheritPrincipal: true,
+ referrerURI: referrer ? makeURI(referrer) : null });
+ },
+
+ reload: function(event) {
+ BrowserReloadOrDuplicate(event);
+ },
+
+ // View Partial Source
+ viewPartialSource: function(aContext) {
+ let target = aContext == "mathml" ? this.target : null;
+ top.gViewSourceUtils.viewPartialSourceInBrowser(gBrowser.selectedBrowser, target);
+ },
+
+ // Open new "view source" window with the frame's URL.
+ viewFrameSource: function() {
+ BrowserViewSourceOfDocument(this.target.ownerDocument);
+ },
+
+ viewInfo: function() {
+ BrowserPageInfo(this.target.ownerDocument.defaultView.top.document);
+ },
+
+ viewImageInfo: function() {
+ BrowserPageInfo(this.target.ownerDocument.defaultView.top.document,
+ "mediaTab", this.target);
+ },
+
+ viewFrameInfo: function() {
+ BrowserPageInfo(this.target.ownerDocument);
+ },
+
+ reloadImage: function(e) {
+ urlSecurityCheck(this.mediaURL,
+ this.browser.contentPrincipal,
+ Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
+
+ if (this.target instanceof Ci.nsIImageLoadingContent)
+ this.target.forceReload();
+ },
+
+ // Change current window to the URL of the image, video, or audio.
+ viewMedia: function(e) {
+ var viewURL;
+ var doc = this.target.ownerDocument;
+ if (this.onCanvas) {
+ var target = this.target;
+ var win = doc.defaultView;
+ if (!win) {
+ Components.utils.reportError(
+ "View Image (on the <canvas> element):\n" +
+ "This feature cannot be used, because it hasn't found " +
+ "an appropriate window.");
+ } else {
+ new Promise.resolve({then: function (resolve) {
+ target.toBlob((blob) => {
+ resolve(win.URL.createObjectURL(blob));
+ })
+ }}).then(function (blobURL) {
+ openUILink(blobURL, e, { disallowInheritPrincipal: true,
+ referrerURI: doc.documentURIObject });
+ }, Components.utils.reportError);
+ }
+ } else {
+ viewURL = this.mediaURL;
+ urlSecurityCheck(viewURL,
+ this.browser.contentPrincipal,
+ Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
+ let doc = this.target.ownerDocument;
+ openUILink(viewURL, e, { disallowInheritPrincipal: true,
+ referrerURI: doc.documentURIObject,
+ forceAllowDataURI: true });
+ }
+ },
+
+ saveVideoFrameAsImage: function () {
+ let referrerURI = document.documentURIObject;
+ let isPrivate = PrivateBrowsingUtils.isBrowserPrivate(this.browser);
+
+ urlSecurityCheck(this.mediaURL, this.browser.contentPrincipal,
+ Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
+ let name = "";
+ try {
+ let uri = makeURI(this.mediaURL);
+ let url = uri.QueryInterface(Ci.nsIURL);
+ if (url.fileBaseName)
+ name = decodeURI(url.fileBaseName) + ".jpg";
+ } catch (e) { }
+ if (!name)
+ name = "snapshot.jpg";
+ var video = this.target;
+ var canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
+ canvas.width = video.videoWidth;
+ canvas.height = video.videoHeight;
+ var ctxDraw = canvas.getContext("2d");
+ ctxDraw.drawImage(video, 0, 0);
+ saveImageURL(canvas.toDataURL("image/jpeg", ""), name, "SaveImageTitle",
+ true, false, referrerURI, null, null, null,
+ isPrivate);
+ },
+
+ fullScreenVideo: function () {
+ let video = this.target;
+ if (document.mozFullScreenEnabled)
+ video.mozRequestFullScreen();
+ },
+
+ leaveDOMFullScreen: function() {
+ document.mozCancelFullScreen();
+ },
+
+ // Change current window to the URL of the background image.
+ viewBGImage: function(e) {
+ urlSecurityCheck(this.bgImageURL,
+ this.browser.contentPrincipal,
+ Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
+ var doc = this.target.ownerDocument;
+ openUILink(this.bgImageURL, e, { disallowInheritPrincipal: true,
+ referrerURI: doc.documentURIObject });
+ },
+
+ disableSetDesktopBackground: function() {
+ // Disable the Set as Desktop Background menu item if we're still trying
+ // to load the image or the load failed.
+ if (!(this.target instanceof Ci.nsIImageLoadingContent))
+ return true;
+
+ if (("complete" in this.target) && !this.target.complete)
+ return true;
+
+ if (this.target.currentURI.schemeIs("javascript"))
+ return true;
+
+ var request = this.target
+ .QueryInterface(Ci.nsIImageLoadingContent)
+ .getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
+ if (!request)
+ return true;
+
+ return false;
+ },
+
+ setDesktopBackground: function() {
+ // Paranoia: check disableSetDesktopBackground again, in case the
+ // image changed since the context menu was initiated.
+ if (this.disableSetDesktopBackground())
+ return;
+
+ urlSecurityCheck(this.target.currentURI.spec,
+ this.target.ownerDocument.nodePrincipal);
+
+ // Confirm since it's annoying if you hit this accidentally.
+ const kDesktopBackgroundURL =
+ "chrome://browser/content/setDesktopBackground.xul";
+#ifdef XP_MACOSX
+ // On Mac, the Set Desktop Background window is not modal.
+ // Don't open more than one Set Desktop Background window.
+ var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
+ .getService(Components.interfaces.nsIWindowMediator);
+ var dbWin = wm.getMostRecentWindow("Shell:SetDesktopBackground");
+ if (dbWin) {
+ dbWin.gSetBackground.init(this.target);
+ dbWin.focus();
+ }
+ else {
+ openDialog(kDesktopBackgroundURL, "",
+ "centerscreen,chrome,dialog=no,dependent,resizable=no",
+ this.target);
+ }
+#else
+ // On non-Mac platforms, the Set Wallpaper dialog is modal.
+ openDialog(kDesktopBackgroundURL, "",
+ "centerscreen,chrome,dialog,modal,dependent",
+ this.target);
+#endif
+ },
+
+ // Save URL of clicked-on frame.
+ saveFrame: function () {
+ saveDocument(this.target.ownerDocument);
+ },
+
+ // Helper function to wait for appropriate MIME-type headers and
+ // then prompt the user with a file picker
+ saveHelper: function(linkURL, linkText, dialogTitle, bypassCache, doc,
+ linkDownload) {
+ // canonical def in nsURILoader.h
+ const NS_ERROR_SAVE_LINK_AS_TIMEOUT = 0x805d0020;
+
+ // an object to proxy the data through to
+ // nsIExternalHelperAppService.doContent, which will wait for the
+ // appropriate MIME-type headers and then prompt the user with a
+ // file picker
+ function saveAsListener() {}
+ saveAsListener.prototype = {
+ extListener: null,
+
+ onStartRequest: function saveLinkAs_onStartRequest(aRequest, aContext) {
+
+ // if the timer fired, the error status will have been caused by that,
+ // and we'll be restarting in onStopRequest, so no reason to notify
+ // the user
+ if (aRequest.status == NS_ERROR_SAVE_LINK_AS_TIMEOUT)
+ return;
+
+ timer.cancel();
+
+ // some other error occured; notify the user...
+ if (!Components.isSuccessCode(aRequest.status)) {
+ try {
+ const sbs = Cc["@mozilla.org/intl/stringbundle;1"].
+ getService(Ci.nsIStringBundleService);
+ const bundle = sbs.createBundle(
+ "chrome://mozapps/locale/downloads/downloads.properties");
+
+ const title = bundle.GetStringFromName("downloadErrorAlertTitle");
+ const msg = bundle.GetStringFromName("downloadErrorGeneric");
+
+ const promptSvc = Cc["@mozilla.org/embedcomp/prompt-service;1"].
+ getService(Ci.nsIPromptService);
+ promptSvc.alert(doc.defaultView, title, msg);
+ } catch (ex) {}
+ return;
+ }
+
+ var extHelperAppSvc =
+ Cc["@mozilla.org/uriloader/external-helper-app-service;1"].
+ getService(Ci.nsIExternalHelperAppService);
+ var channel = aRequest.QueryInterface(Ci.nsIChannel);
+ this.extListener =
+ extHelperAppSvc.doContent(channel.contentType, aRequest,
+ doc.defaultView, true);
+ this.extListener.onStartRequest(aRequest, aContext);
+ },
+
+ onStopRequest: function saveLinkAs_onStopRequest(aRequest, aContext,
+ aStatusCode) {
+ if (aStatusCode == NS_ERROR_SAVE_LINK_AS_TIMEOUT) {
+ // do it the old fashioned way, which will pick the best filename
+ // it can without waiting.
+ saveURL(linkURL, linkText, dialogTitle, bypassCache, false, doc.documentURIObject, doc);
+ }
+ if (this.extListener)
+ this.extListener.onStopRequest(aRequest, aContext, aStatusCode);
+ },
+
+ onDataAvailable: function saveLinkAs_onDataAvailable(aRequest, aContext,
+ aInputStream,
+ aOffset, aCount) {
+ this.extListener.onDataAvailable(aRequest, aContext, aInputStream,
+ aOffset, aCount);
+ }
+ }
+
+ function callbacks() {}
+ callbacks.prototype = {
+ getInterface: function sLA_callbacks_getInterface(aIID) {
+ if (aIID.equals(Ci.nsIAuthPrompt) || aIID.equals(Ci.nsIAuthPrompt2)) {
+ // If the channel demands authentication prompt, we must cancel it
+ // because the save-as-timer would expire and cancel the channel
+ // before we get credentials from user. Both authentication dialog
+ // and save as dialog would appear on the screen as we fall back to
+ // the old fashioned way after the timeout.
+ timer.cancel();
+ channel.cancel(NS_ERROR_SAVE_LINK_AS_TIMEOUT);
+ }
+ throw Cr.NS_ERROR_NO_INTERFACE;
+ }
+ }
+
+ // if it we don't have the headers after a short time, the user
+ // won't have received any feedback from their click. that's bad. so
+ // we give up waiting for the filename.
+ function timerCallback() {}
+ timerCallback.prototype = {
+ notify: function sLA_timer_notify(aTimer) {
+ channel.cancel(NS_ERROR_SAVE_LINK_AS_TIMEOUT);
+ return;
+ }
+ }
+
+ // setting up a new channel for 'right click - save link as ...'
+ var channel = NetUtil.newChannel({
+ uri: makeURI(linkURL),
+ loadingPrincipal: this.target.ownerDocument.nodePrincipal,
+ contentPolicyType: Ci.nsIContentPolicy.TYPE_SAVEAS_DOWNLOAD,
+ securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS,
+ });
+
+ if (linkDownload)
+ channel.contentDispositionFilename = linkDownload;
+ if (channel instanceof Ci.nsIPrivateBrowsingChannel) {
+ let docIsPrivate = PrivateBrowsingUtils.isWindowPrivate(doc.defaultView);
+ channel.setPrivate(docIsPrivate);
+ }
+ channel.notificationCallbacks = new callbacks();
+
+ let flags = Ci.nsIChannel.LOAD_CALL_CONTENT_SNIFFERS;
+
+ if (bypassCache)
+ flags |= Ci.nsIRequest.LOAD_BYPASS_CACHE;
+
+ if (channel instanceof Ci.nsICachingChannel)
+ flags |= Ci.nsICachingChannel.LOAD_BYPASS_LOCAL_CACHE_IF_BUSY;
+
+ channel.loadFlags |= flags;
+
+ if (channel instanceof Ci.nsIHttpChannel) {
+ channel.referrer = doc.documentURIObject;
+ if (channel instanceof Ci.nsIHttpChannelInternal)
+ channel.forceAllowThirdPartyCookie = true;
+ }
+
+ // fallback to the old way if we don't see the headers quickly
+ var timeToWait =
+ gPrefService.getIntPref("browser.download.saveLinkAsFilenameTimeout");
+ var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+ timer.initWithCallback(new timerCallback(), timeToWait,
+ timer.TYPE_ONE_SHOT);
+
+ // kick off the channel with our proxy object as the listener
+ channel.asyncOpen2(new saveAsListener());
+ },
+
+ // Save URL of clicked-on link.
+ saveLink: function() {
+ var doc = this.target.ownerDocument;
+ var linkText;
+ // If selected text is found to match valid URL pattern.
+ if (this.onPlainTextLink)
+ linkText = document.commandDispatcher.focusedWindow.getSelection().toString().trim();
+ else
+ linkText = this.linkText();
+ urlSecurityCheck(this.linkURL, doc.nodePrincipal);
+
+ this.saveHelper(this.linkURL, linkText, null, true, doc,
+ this.linkDownload);
+ },
+
+ sendLink: function() {
+ // we don't know the title of the link so pass in an empty string
+ MailIntegration.sendMessage( this.linkURL, "" );
+ },
+
+ // Backwards-compatibility wrapper
+ saveImage : function() {
+ if (this.onCanvas || this.onImage)
+ this.saveMedia();
+ },
+
+ // Save URL of the clicked upon image, video, or audio.
+ saveMedia: function() {
+ var doc = this.target.ownerDocument;
+ let referrerURI = doc.documentURIObject;
+ let isPrivate = PrivateBrowsingUtils.isBrowserPrivate(this.browser);
+ if (this.onCanvas) {
+ // Bypass cache, since it's a blob: URL.
+ var target = this.target;
+ var win = doc.defaultView;
+ if (!win) {
+ Components.utils.reportError(
+ "Save Image As (on the <canvas> element):\n" +
+ "This feature cannot be used, because it hasn't found " +
+ "an appropriate window.");
+ } else {
+ new Promise.resolve({then: function (resolve) {
+ target.toBlob((blob) => {
+ resolve(win.URL.createObjectURL(blob));
+ })
+ }}).then(function (blobURL) {
+ saveImageURL(blobURL, "canvas.png", "SaveImageTitle",
+ true, false, referrerURI, null, null, null,
+ isPrivate);
+ }, Components.utils.reportError);
+ }
+ } else if (this.onImage) {
+ urlSecurityCheck(this.mediaURL, doc.nodePrincipal);
+ saveImageURL(this.mediaURL, null, "SaveImageTitle",
+ false, false, referrerURI, doc, null, null,
+ isPrivate);
+ } else if (this.onVideo || this.onAudio) {
+ urlSecurityCheck(this.mediaURL, doc.nodePrincipal);
+ var dialogTitle = this.onVideo ? "SaveVideoTitle" : "SaveAudioTitle";
+ this.saveHelper(this.mediaURL, null, dialogTitle, false, doc, "");
+ }
+ },
+
+ // Backwards-compatibility wrapper
+ sendImage : function() {
+ if (this.onCanvas || this.onImage)
+ this.sendMedia();
+ },
+
+ sendMedia: function() {
+ MailIntegration.sendMessage(this.mediaURL, "");
+ },
+
+ playPlugin: function() {
+ gPluginHandler._showClickToPlayNotification(this.browser, this.target);
+ },
+
+ hidePlugin: function() {
+ gPluginHandler.hideClickToPlayOverlay(this.target);
+ },
+
+ // Generate email address and put it on clipboard.
+ copyEmail: function() {
+ // Copy the comma-separated list of email addresses only.
+ // There are other ways of embedding email addresses in a mailto:
+ // link, but such complex parsing is beyond us.
+ var url = this.linkURL;
+ var qmark = url.indexOf("?");
+ var addresses;
+
+ // 7 == length of "mailto:"
+ addresses = qmark > 7 ? url.substring(7, qmark) : url.substr(7);
+
+ // Let's try to unescape it using a character set
+ // in case the address is not ASCII.
+ try {
+ var characterSet = this.target.ownerDocument.characterSet;
+ const textToSubURI = Cc["@mozilla.org/intl/texttosuburi;1"].
+ getService(Ci.nsITextToSubURI);
+ addresses = textToSubURI.unEscapeURIForUI(characterSet, addresses);
+ }
+ catch(ex) {
+ // Do nothing.
+ }
+
+ var clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].
+ getService(Ci.nsIClipboardHelper);
+ clipboard.copyString(addresses, document);
+ },
+
+ ///////////////
+ // Utilities //
+ ///////////////
+
+ // Show/hide one item (specified via name or the item element itself).
+ showItem: function(aItemOrId, aShow) {
+ var item = aItemOrId.constructor == String ?
+ document.getElementById(aItemOrId) : aItemOrId;
+ if (item)
+ item.hidden = !aShow;
+ },
+
+ // Set given attribute of specified context-menu item. If the
+ // value is null, then it removes the attribute (which works
+ // nicely for the disabled attribute).
+ setItemAttr: function(aID, aAttr, aVal ) {
+ var elem = document.getElementById(aID);
+ if (elem) {
+ if (aVal == null) {
+ // null indicates attr should be removed.
+ elem.removeAttribute(aAttr);
+ }
+ else {
+ // Set attr=val.
+ elem.setAttribute(aAttr, aVal);
+ }
+ }
+ },
+
+ // Set context menu attribute according to like attribute of another node
+ // (such as a broadcaster).
+ setItemAttrFromNode: function(aItem_id, aAttr, aOther_id) {
+ var elem = document.getElementById(aOther_id);
+ if (elem && elem.getAttribute(aAttr) == "true")
+ this.setItemAttr(aItem_id, aAttr, "true");
+ else
+ this.setItemAttr(aItem_id, aAttr, null);
+ },
+
+ // Temporary workaround for DOM api not yet implemented by XUL nodes.
+ cloneNode: function(aItem) {
+ // Create another element like the one we're cloning.
+ var node = document.createElement(aItem.tagName);
+
+ // Copy attributes from argument item to the new one.
+ var attrs = aItem.attributes;
+ for (var i = 0; i < attrs.length; i++) {
+ var attr = attrs.item(i);
+ node.setAttribute(attr.nodeName, attr.nodeValue);
+ }
+
+ // Voila!
+ return node;
+ },
+
+ // Generate fully qualified URL for clicked-on link.
+ getLinkURL: function() {
+ var href = this.link.href;
+ if (href)
+ return href;
+
+ href = this.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 makeURLAbsolute(this.link.baseURI, href);
+ },
+
+ getLinkURI: function() {
+ try {
+ return makeURI(this.linkURL);
+ }
+ catch (ex) {
+ // e.g. empty URL string
+ }
+
+ return null;
+ },
+
+ getLinkProtocol: function() {
+ if (this.linkURI)
+ return this.linkURI.scheme; // can be |undefined|
+
+ return null;
+ },
+
+ // Get text of link.
+ linkText: function() {
+ var text = gatherTextUnder(this.link);
+ if (!text || !text.match(/\S/)) {
+ text = this.link.getAttribute("title");
+ if (!text || !text.match(/\S/)) {
+ text = this.link.getAttribute("alt");
+ if (!text || !text.match(/\S/))
+ text = this.linkURL;
+ }
+ }
+
+ return text;
+ },
+
+ // Returns true if anything is selected.
+ isContentSelection: function() {
+ return !document.commandDispatcher.focusedWindow.getSelection().isCollapsed;
+ },
+
+ toString: function () {
+ return "contextMenu.target = " + this.target + "\n" +
+ "contextMenu.onImage = " + this.onImage + "\n" +
+ "contextMenu.onLink = " + this.onLink + "\n" +
+ "contextMenu.link = " + this.link + "\n" +
+ "contextMenu.inFrame = " + this.inFrame + "\n" +
+ "contextMenu.hasBGImage = " + this.hasBGImage + "\n";
+ },
+
+ isDisabledForEvents: function(aNode) {
+ let ownerDoc = aNode.ownerDocument;
+ return ownerDoc.defaultView &&
+ ownerDoc.defaultView
+ .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
+ .getInterface(Components.interfaces.nsIDOMWindowUtils)
+ .isNodeDisabledForEvents(aNode);
+ },
+
+ isTargetATextBox: function(node) {
+ if (node instanceof HTMLInputElement)
+ return node.mozIsTextField(false);
+
+ return (node instanceof HTMLTextAreaElement);
+ },
+
+ isTargetAKeywordField: function(aNode) {
+ if (!(aNode instanceof HTMLInputElement))
+ return false;
+
+ var form = aNode.form;
+ if (!form || aNode.type == "password")
+ return false;
+
+ var method = form.method.toUpperCase();
+
+ // These are the following types of forms we can create keywords for:
+ //
+ // method encoding type can create keyword
+ // GET * YES
+ // * YES
+ // POST YES
+ // POST application/x-www-form-urlencoded YES
+ // POST text/plain NO (a little tricky to do)
+ // POST multipart/form-data NO
+ // POST everything else YES
+ return (method == "GET" || method == "") ||
+ (form.enctype != "text/plain") && (form.enctype != "multipart/form-data");
+ },
+
+ // Determines whether or not the separator with the specified ID should be
+ // shown or not by determining if there are any non-hidden items between it
+ // and the previous separator.
+ shouldShowSeparator: function (aSeparatorID) {
+ var separator = document.getElementById(aSeparatorID);
+ if (separator) {
+ var sibling = separator.previousSibling;
+ while (sibling && sibling.localName != "menuseparator") {
+ if (!sibling.hidden)
+ return true;
+ sibling = sibling.previousSibling;
+ }
+ }
+ return false;
+ },
+
+ addDictionaries: function() {
+ var uri = formatURL("browser.dictionaries.download.url", true);
+
+ var locale = "-";
+ try {
+ locale = gPrefService.getComplexValue("intl.accept_languages",
+ Ci.nsIPrefLocalizedString).data;
+ }
+ catch (e) { }
+
+ var version = "-";
+ try {
+ version = Cc["@mozilla.org/xre/app-info;1"].
+ getService(Ci.nsIXULAppInfo).version;
+ }
+ catch (e) { }
+
+ uri = uri.replace(/%LOCALE%/, escape(locale)).replace(/%VERSION%/, version);
+
+ var newWindowPref = gPrefService.getIntPref("browser.link.open_newwindow");
+ var where = newWindowPref == 3 ? "tab" : "window";
+
+ openUILinkIn(uri, where);
+ },
+
+ bookmarkThisPage: function CM_bookmarkThisPage() {
+ window.top.PlacesCommandHook.bookmarkPage(this.browser, PlacesUtils.bookmarksMenuFolderId, true);
+ },
+
+ bookmarkLink: function CM_bookmarkLink() {
+ var linkText;
+ // If selected text is found to match valid URL pattern.
+ if (this.onPlainTextLink)
+ linkText = document.commandDispatcher.focusedWindow.getSelection().toString().trim();
+ else
+ linkText = this.linkText();
+ window.top.PlacesCommandHook.bookmarkLink(PlacesUtils.bookmarksMenuFolderId, this.linkURL,
+ linkText);
+ },
+
+ addBookmarkForFrame: function CM_addBookmarkForFrame() {
+ var doc = this.target.ownerDocument;
+ var uri = doc.documentURIObject;
+
+ var itemId = PlacesUtils.getMostRecentBookmarkForURI(uri);
+ if (itemId == -1) {
+ var title = doc.title;
+ var description = PlacesUIUtils.getDescriptionFromDocument(doc);
+ PlacesUIUtils.showBookmarkDialog({ action: "add"
+ , type: "bookmark"
+ , uri: uri
+ , title: title
+ , description: description
+ , hiddenRows: [ "description"
+ , "location"
+ , "loadInSidebar"
+ , "keyword" ]
+ }, window.top);
+ }
+ else {
+ PlacesUIUtils.showBookmarkDialog({ action: "edit"
+ , type: "bookmark"
+ , itemId: itemId
+ }, window.top);
+ }
+ },
+
+ savePageAs: function CM_savePageAs() {
+ saveDocument(this.browser.contentDocument);
+ },
+
+ sendPage: function CM_sendPage() {
+ MailIntegration.sendLinkForWindow(this.browser.contentWindow);
+ },
+
+ printFrame: function CM_printFrame() {
+ PrintUtils.print(this.target.ownerDocument.defaultView);
+ },
+
+ switchPageDirection: function CM_switchPageDirection() {
+ SwitchDocumentDirection(this.browser.contentWindow);
+ },
+
+ mediaCommand : function CM_mediaCommand(command, data) {
+ var media = this.target;
+
+ switch (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 = data;
+ break;
+ case "hidecontrols":
+ media.removeAttribute("controls");
+ break;
+ case "showcontrols":
+ media.setAttribute("controls", "true");
+ break;
+ case "hidestats":
+ case "showstats":
+ var event = media.ownerDocument.createEvent("CustomEvent");
+ event.initCustomEvent("media-showStatistics", false, true, command == "showstats");
+ media.dispatchEvent(event);
+ break;
+ }
+ },
+
+ copyMediaLocation : function () {
+ var clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].
+ getService(Ci.nsIClipboardHelper);
+ clipboard.copyString(this.mediaURL, document);
+ },
+
+ get imageURL() {
+ if (this.onImage)
+ return this.mediaURL;
+ return "";
+ },
+
+ // Formats the 'Search <engine> for "<selection or link text>"' context menu.
+ formatSearchContextItem: function() {
+ var menuItem = document.getElementById("context-searchselect");
+ var selectedText = this.isTextSelected ? this.textSelected : this.linkText();
+
+ // Store searchTerms in context menu item so we know what to search onclick
+ menuItem.searchTerms = selectedText;
+
+ if (selectedText.length > 15)
+ selectedText = selectedText.substr(0,15) + this.ellipsis;
+
+ // Use the current engine if the search bar is visible, the default
+ // engine otherwise.
+ var engineName = "";
+ var ss = Cc["@mozilla.org/browser/search-service;1"].
+ getService(Ci.nsIBrowserSearchService);
+ if (isElementVisible(BrowserSearch.searchBar))
+ engineName = ss.currentEngine.name;
+ else
+ engineName = ss.defaultEngine.name;
+
+ // format "Search <engine> for <selection>" string to show in menu
+ var menuLabel = gNavigatorBundle.getFormattedString("contextMenuSearch",
+ [engineName,
+ selectedText]);
+ menuItem.label = menuLabel;
+ menuItem.accessKey = gNavigatorBundle.getString("contextMenuSearch.accesskey");
+ }
+};