diff options
Diffstat (limited to 'base/content/nsContextMenu.js')
| -rw-r--r-- | base/content/nsContextMenu.js | 1603 |
1 files changed, 0 insertions, 1603 deletions
diff --git a/base/content/nsContextMenu.js b/base/content/nsContextMenu.js deleted file mode 100644 index 916dd26..0000000 --- a/base/content/nsContextMenu.js +++ /dev/null @@ -1,1603 +0,0 @@ -# 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"); - } -}; |