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