gecko-dev/browser/base/content/nsContextMenu.js

1831 lines
72 KiB
JavaScript

/* vim: set ts=2 sw=2 sts=2 et tw=80: */
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
Components.utils.import("resource://gre/modules/InlineSpellChecker.jsm");
Components.utils.import("resource://gre/modules/LoginManagerContextMenu.jsm");
Components.utils.import("resource://gre/modules/BrowserUtils.jsm");
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "LoginHelper",
"resource://gre/modules/LoginHelper.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) {
if (this.isRemote) {
this.hasPageMenu =
PageMenuParent.addToPopup(gContextMenuContentData.customMenuItems,
this.browser, aXulMenu);
}
else {
this.hasPageMenu = PageMenuParent.buildAndAddToPopup(this.target, aXulMenu);
}
let subject = {
menu: aXulMenu,
tab: gBrowser ? gBrowser.getTabForBrowser(this.browser) : undefined,
isContentSelected: this.isContentSelected,
inFrame: this.inFrame,
isTextSelected: this.isTextSelected,
onTextInput: this.onTextInput,
onLink: this.onLink,
onImage: this.onImage,
onVideo: this.onVideo,
onAudio: this.onAudio,
onCanvas: this.onCanvas,
onEditableArea: this.onEditableArea,
srcUrl: this.mediaURL,
frameUrl: gContextMenuContentData ? gContextMenuContentData.docLocation : undefined,
pageUrl: this.browser ? this.browser.currentURI.spec : undefined,
linkUrl: this.linkURL,
selectionText: this.isTextSelected ? this.selectionInfo.text : undefined,
};
subject.wrappedJSObject = subject;
Services.obs.notifyObservers(subject, "on-build-contextmenu", null);
}
this.isFrameImage = document.getElementById("isFrameImage");
this.ellipsis = "\u2026";
try {
this.ellipsis = gPrefService.getComplexValue("intl.ellipsis",
Ci.nsIPrefLocalizedString).data;
} catch (e) { }
this.isContentSelected = !this.selectionInfo.docSelectionIsCollapsed;
this.onPlainTextLink = false;
let bookmarkPage = document.getElementById("context-bookmarkpage");
if (bookmarkPage)
BookmarkingUI.onCurrentPageContextPopupShowing();
// Initialize (disable/remove) menu items.
this.initItems();
// Register this opening of the menu with telemetry:
this._checkTelemetryForMenu(aXulMenu);
},
hiding: function CM_hiding() {
gContextMenuContentData = null;
InlineSpellCheckerUI.clearSuggestionsFromMenu();
InlineSpellCheckerUI.clearDictionaryListFromMenu();
InlineSpellCheckerUI.uninit();
LoginManagerContextMenu.clearLoginsFromMenu(document);
// This handler self-deletes, only run it if it is still there:
if (this._onPopupHiding) {
this._onPopupHiding();
}
},
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();
this.initPasswordManagerItems();
},
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));
}
if (this.isTextSelected && !this.onLink &&
this.selectionInfo && this.selectionInfo.linkURL) {
this.linkURL = this.selectionInfo.linkURL;
try {
this.linkURI = makeURI(this.linkURL);
} catch (ex) {}
this.linkTextStr = this.selectionInfo.linkText;
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", this.onPlainTextLink);
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.onSocial);
this.showItem("context-navigation", shouldShow);
this.showItem("context-sep-navigation", shouldShow);
let stopped = XULBrowserWindow.stopCommand.getAttribute("disabled") == "true";
let stopReloadItem = "";
if (shouldShow || this.onSocial) {
stopReloadItem = (stopped || this.onSocial) ? "reload" : "stop";
}
this.showItem("context-reload", stopReloadItem == "reload");
this.showItem("context-stop", stopReloadItem == "stop");
// 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);
// Save link depends on whether we're in a link, or selected text matches valid URL pattern.
this.showItem("context-savelink", 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-castvideo", this.onVideo);
this.showItem("context-sendaudio", this.onAudio);
this.setItemAttr("context-sendvideo", "disabled", !this.mediaURL);
this.setItemAttr("context-sendaudio", "disabled", !this.mediaURL);
let shouldShowCast = Services.prefs.getBoolPref("browser.casting.enabled");
// getServicesForVideo alone would be sufficient here (it depends on
// SimpleServiceDiscovery.services), but SimpleServiceDiscovery is guaranteed
// to be already loaded, since we load it on startup in nsBrowserGlue,
// and CastingApps isn't, so check SimpleServiceDiscovery.services first
// to avoid needing to load CastingApps.jsm if we don't need to.
shouldShowCast = shouldShowCast && this.mediaURL &&
SimpleServiceDiscovery.services.length > 0 &&
CastingApps.getServicesForVideo(this.target).length > 0;
this.setItemAttr("context-castvideo", "disabled", !shouldShowCast);
},
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);
var showInspect = !this.onSocial && gPrefService.getBoolPref("devtools.inspector.enabled");
this.showItem("context-viewsource", shouldShow);
this.showItem("context-viewinfo", shouldShow);
this.showItem("inspect-separator", showInspect);
this.showItem("context-inspect", showInspect);
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 = gContextMenuContentData.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);
this.showItem("context-viewimagedesc", this.onImage && this.imageDescURL !== "");
},
initMiscItems: function CM_initMiscItems() {
// Use "Bookmark This Link" if on a link.
let bookmarkPage = document.getElementById("context-bookmarkpage");
this.showItem(bookmarkPage,
!(this.isContentSelected || this.onTextInput || this.onLink ||
this.onImage || this.onVideo || this.onAudio || this.onSocial ||
this.onCanvas));
bookmarkPage.setAttribute("tooltiptext", bookmarkPage.getAttribute("buttontooltiptext"));
bookmarkPage.disabled = bookmarkPage.hasAttribute("stardisabled");
this.showItem("context-bookmarklink", (this.onLink && !this.onMailtoLink &&
!this.onSocial) || 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", !this.onNumeric && top.gBidiUI);
this.showItem("context-bidi-text-direction-toggle",
this.onTextInput && !this.onNumeric && top.gBidiUI);
this.showItem("context-bidi-page-direction-toggle",
!this.onTextInput && top.gBidiUI);
// SocialMarks. Marks does not work with text selections, only links. If
// there is more than MENU_LIMIT providers, we show a submenu for them,
// otherwise we have a menuitem per provider (added in SocialMarks class).
let markProviders = SocialMarks.getProviders();
let enablePageMarks = markProviders.length > 0 && !(this.onLink || this.onImage
|| this.onVideo || this.onAudio);
this.showItem("context-markpageMenu", enablePageMarks && markProviders.length > SocialMarks.MENU_LIMIT);
let enablePageMarkItems = enablePageMarks && markProviders.length <= SocialMarks.MENU_LIMIT;
let linkmenus = document.getElementsByClassName("context-markpage");
for (let m of linkmenus) {
m.hidden = !enablePageMarkItems;
}
let enableLinkMarks = markProviders.length > 0 &&
((this.onLink && !this.onMailtoLink) || this.onPlainTextLink);
this.showItem("context-marklinkMenu", enableLinkMarks && markProviders.length > SocialMarks.MENU_LIMIT);
let enableLinkMarkItems = enableLinkMarks && markProviders.length <= SocialMarks.MENU_LIMIT;
linkmenus = document.getElementsByClassName("context-marklink");
for (let m of linkmenus) {
m.hidden = !enableLinkMarkItems;
}
// SocialShare
let shareButton = SocialShare.shareButton;
let shareEnabled = shareButton && !shareButton.disabled && !this.onSocial;
let pageShare = shareEnabled && !(this.isContentSelected ||
this.onTextInput || this.onLink || this.onImage ||
this.onVideo || this.onAudio || this.onCanvas);
this.showItem("context-sharepage", pageShare);
this.showItem("context-shareselect", shareEnabled && this.isContentSelected);
this.showItem("context-sharelink", shareEnabled && (this.onLink || this.onPlainTextLink) && !this.onMailtoLink);
this.showItem("context-shareimage", shareEnabled && this.onImage);
this.showItem("context-sharevideo", shareEnabled && this.onVideo);
this.setItemAttr("context-sharevideo", "disabled", !this.mediaURL);
},
initSpellingItems: function() {
var canSpell = InlineSpellCheckerUI.canSpellCheck &&
!InlineSpellCheckerUI.initialSpellCheckPending &&
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");
let count = InlineSpellCheckerUI.addDictionaryListToMenu(dictMenu, dictSep);
this.showItem(dictSep, count > 0);
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-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 && 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);
this.showItem("context-media-eme-learnmore", this.onDRMMedia);
this.showItem("context-media-eme-separator", this.onDRMMedia);
// 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);
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.onDRMMedia && 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);
},
initPasswordManagerItems: function() {
let loginFillInfo = gContextMenuContentData && gContextMenuContentData.loginFillInfo;
// If we could not find a password field we
// don't want to show the form fill option.
let showFill = loginFillInfo && loginFillInfo.passwordField.found;
// Disable the fill option if the user has set a master password
// or if the password field or target field are disabled.
let disableFill = !loginFillInfo ||
!Services.logins ||
!Services.logins.isLoggedIn ||
loginFillInfo.passwordField.disabled ||
(!this.onPassword && loginFillInfo.usernameField.disabled);
this.showItem("fill-login-separator", showFill);
this.showItem("fill-login", showFill);
this.setItemAttr("fill-login", "disabled", disableFill);
// Set the correct label for the fill menu
let fillMenu = document.getElementById("fill-login");
if (this.onPassword) {
fillMenu.setAttribute("label", fillMenu.getAttribute("label-password"));
fillMenu.setAttribute("accesskey", fillMenu.getAttribute("accesskey-password"));
} else {
fillMenu.setAttribute("label", fillMenu.getAttribute("label-login"));
fillMenu.setAttribute("accesskey", fillMenu.getAttribute("accesskey-login"));
}
if (!showFill || disableFill) {
return;
}
let documentURI = gContextMenuContentData.documentURIObject;
let fragment = LoginManagerContextMenu.addLoginsToMenu(this.target, this.browser, documentURI);
this.showItem("fill-login-no-logins", !fragment);
if (!fragment) {
return;
}
let popup = document.getElementById("fill-login-popup");
let insertBeforeElement = document.getElementById("fill-login-no-logins");
popup.insertBefore(fragment, insertBeforeElement);
},
openPasswordManager: function() {
LoginHelper.openPasswordManager(window, gContextMenuContentData.documentURIObject.host);
},
inspectNode: function CM_inspectNode() {
let {devtools} = Cu.import("resource://devtools/shared/Loader.jsm", {});
let gBrowser = this.browser.ownerDocument.defaultView.gBrowser;
let tt = devtools.TargetFactory.forTab(gBrowser.selectedTab);
return gDevTools.showToolbox(tt, "inspector").then(function(toolbox) {
let inspector = toolbox.getCurrentPanel();
if (this.isRemote) {
this.browser.messageManager.sendAsyncMessage("debug:inspect", {}, {node: this.target});
inspector.walker.findInspectingNode().then(nodeFront => {
inspector.selection.setNodeFront(nodeFront, "browser-context-menu");
});
} else {
inspector.selection.setNode(this.target, "browser-context-menu");
}
}.bind(this));
},
// Set various context menu attributes based on the state of the world.
setTarget: function (aNode, aRangeParent, aRangeOffset) {
// gContextMenuContentData.isRemote tells us if the event came from a remote
// process. gContextMenuContentData can be null if something (like tests)
// opens the context menu directly.
let editFlags;
this.isRemote = gContextMenuContentData && gContextMenuContentData.isRemote;
if (this.isRemote) {
aNode = gContextMenuContentData.event.target;
aRangeParent = gContextMenuContentData.event.rangeParent;
aRangeOffset = gContextMenuContentData.event.rangeOffset;
editFlags = gContextMenuContentData.editFlags;
}
const xulNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
if (aNode.namespaceURI == xulNS ||
aNode.nodeType == Node.DOCUMENT_NODE) {
this.shouldDisplay = false;
return;
}
// Initialize contextual info.
this.onImage = false;
this.onLoadedImage = false;
this.onCompletedImage = false;
this.imageDescURL = "";
this.onCanvas = false;
this.onVideo = false;
this.onAudio = false;
this.onDRMMedia = false;
this.onTextInput = false;
this.onNumeric = false;
this.onKeywordField = false;
this.mediaURL = "";
this.onLink = false;
this.onMailtoLink = false;
this.onSaveableLink = false;
this.link = null;
this.linkURL = "";
this.linkURI = null;
this.linkTextStr = "";
this.linkProtocol = "";
this.linkDownload = "";
this.linkHasNoReferrer = false;
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.onPassword = false;
if (this.isRemote) {
this.selectionInfo = gContextMenuContentData.selectionInfo;
} else {
this.selectionInfo = BrowserUtils.getSelectionDetails(window);
}
this.textSelected = this.selectionInfo.text;
this.isTextSelected = this.textSelected.length != 0;
// Remember the node that was clicked.
this.target = aNode;
let ownerDoc = this.target.ownerDocument;
this.ownerDoc = ownerDoc;
// If this is a remote context menu event, use the information from
// gContextMenuContentData instead.
if (this.isRemote) {
this.browser = gContextMenuContentData.browser;
this.principal = gContextMenuContentData.principal;
this.frameOuterWindowID = gContextMenuContentData.frameOuterWindowID;
} else {
editFlags = SpellCheckHelper.isEditable(this.target, window);
this.browser = ownerDoc.defaultView
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell)
.chromeEventHandler;
this.principal = ownerDoc.nodePrincipal;
this.frameOuterWindowID = ownerDoc.defaultView
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils)
.outerWindowID;
}
this.onSocial = !!this.browser.getAttribute("origin");
// Check if we are in a synthetic document (stand alone image, video, etc.).
this.inSyntheticDoc = ownerDoc.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. This check mirrors
// nsDocumentViewer::GetInImage. Make sure to update both if this is
// changed.
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;
var descURL = this.target.getAttribute("longdesc");
if (descURL) {
this.imageDescURL = makeURLAbsolute(ownerDoc.body.baseURI, descURL);
}
}
else if (this.target instanceof HTMLCanvasElement) {
this.onCanvas = true;
}
else if (this.target instanceof HTMLVideoElement) {
let mediaURL = this.target.currentSrc || this.target.src;
if (this.isMediaURLReusable(mediaURL)) {
this.mediaURL = mediaURL;
}
if (this.target.isEncrypted) {
this.onDRMMedia = true;
}
// Firefox always creates a HTMLVideoElement when loading an ogg file
// directly. If the media is actually audio, be smarter and provide a
// context menu with audio operations.
if (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;
let mediaURL = this.target.currentSrc || this.target.src;
if (this.isMediaURLReusable(mediaURL)) {
this.mediaURL = mediaURL;
}
if (this.target.isEncrypted) {
this.onDRMMedia = true;
}
}
else if (editFlags & (SpellCheckHelper.INPUT | SpellCheckHelper.TEXTAREA)) {
this.onTextInput = (editFlags & SpellCheckHelper.TEXTINPUT) !== 0;
this.onNumeric = (editFlags & SpellCheckHelper.NUMERIC) !== 0;
this.onEditableArea = (editFlags & SpellCheckHelper.EDITABLE) !== 0;
this.onPassword = (editFlags & SpellCheckHelper.PASSWORD) !== 0;
if (this.onEditableArea) {
if (this.isRemote) {
InlineSpellCheckerUI.initFromRemote(gContextMenuContentData.spellInfo);
}
else {
InlineSpellCheckerUI.init(this.target.QueryInterface(Ci.nsIDOMNSEditableElement).editor);
InlineSpellCheckerUI.initFromEvent(aRangeParent, aRangeOffset);
}
}
this.onKeywordField = (editFlags & SpellCheckHelper.KEYWORD);
}
else if (this.target instanceof HTMLHtmlElement) {
var bodyElt = ownerDoc.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.matches(":-moz-handler-clicktoplay")) {
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.linkTextStr = this.getLinkText();
this.linkProtocol = this.getLinkProtocol();
this.onMailtoLink = (this.linkProtocol == "mailto");
this.onSaveableLink = this.isLinkSaveable( this.link );
this.linkHasNoReferrer = BrowserUtils.linkHasNoReferrer(elem);
try {
if (elem.download) {
// Ignore download attribute on cross-origin links
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 = ownerDoc.defaultView;
if (docDefaultView != docDefaultView.top) {
this.inFrame = true;
if (ownerDoc.isSrcdocDocument) {
this.inSrcdocFrame = true;
}
}
// if the document is editable, show context menu like in text inputs
if (!this.onEditableArea) {
if (editFlags & SpellCheckHelper.CONTENTEDITABLE) {
// If this.onEditableArea is false but editFlags is CONTENTEDITABLE, then
// the document itself must be editable.
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;
if (this.isRemote) {
InlineSpellCheckerUI.initFromRemote(gContextMenuContentData.spellInfo);
}
else {
var targetWin = ownerDoc.defaultView;
var editingSession = targetWin.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIEditingSession);
InlineSpellCheckerUI.init(editingSession.getEditorForWindow(targetWin));
InlineSpellCheckerUI.initFromEvent(aRangeParent, aRangeOffset);
}
var canSpell = InlineSpellCheckerUI.canSpellCheck && this.canSpellCheck;
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;
},
_openLinkInParameters : function (extra) {
let params = { charset: gContextMenuContentData.charSet,
referrerURI: gContextMenuContentData.documentURIObject,
referrerPolicy: gContextMenuContentData.referrerPolicy,
noReferrer: this.linkHasNoReferrer };
for (let p in extra)
params[p] = extra[p];
return params;
},
// Open linked-to URL in a new window.
openLink : function () {
urlSecurityCheck(this.linkURL, this.principal);
openLinkIn(this.linkURL, "window", this._openLinkInParameters());
},
// Open linked-to URL in a new private window.
openLinkInPrivateWindow : function () {
urlSecurityCheck(this.linkURL, this.principal);
openLinkIn(this.linkURL, "window",
this._openLinkInParameters({ private: true }));
},
// Open linked-to URL in a new tab.
openLinkInTab: function() {
urlSecurityCheck(this.linkURL, this.principal);
let referrerURI = gContextMenuContentData.documentURIObject;
// if the mixedContentChannel is present and the referring URI passes
// a same origin check with the target URI, we can preserve the users
// decision of disabling MCB on a page for it's child tabs.
let persistAllowMixedContentInChildTab = false;
if (this.browser.docShell && this.browser.docShell.mixedContentChannel) {
const sm = Services.scriptSecurityManager;
try {
let targetURI = this.linkURI;
sm.checkSameOriginURI(referrerURI, targetURI, false);
persistAllowMixedContentInChildTab = true;
}
catch (e) { }
}
let params = this._openLinkInParameters({
allowMixedContent: persistAllowMixedContentInChildTab,
});
openLinkIn(this.linkURL, "tab", params);
},
// open URL in current tab
openLinkInCurrent: function() {
urlSecurityCheck(this.linkURL, this.principal);
openLinkIn(this.linkURL, "current", this._openLinkInParameters());
},
// Open frame in a new tab.
openFrameInTab: function() {
let referrer = gContextMenuContentData.referrer;
openLinkIn(gContextMenuContentData.docLocation, "tab",
{ charset: gContextMenuContentData.charSet,
referrerURI: referrer ? makeURI(referrer) : null });
},
// Reload clicked-in frame.
reloadFrame: function() {
this.browser.messageManager.sendAsyncMessage("ContextMenu:ReloadFrame",
null, { target: this.target });
},
// Open clicked-in frame in its own window.
openFrame: function() {
let referrer = gContextMenuContentData.referrer;
openLinkIn(gContextMenuContentData.docLocation, "window",
{ charset: gContextMenuContentData.charSet,
referrerURI: referrer ? makeURI(referrer) : null });
},
// Open clicked-in frame in the same window.
showOnlyThisFrame: function() {
urlSecurityCheck(gContextMenuContentData.docLocation,
this.browser.contentPrincipal,
Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
let referrer = gContextMenuContentData.referrer;
openUILinkIn(gContextMenuContentData.docLocation, "current",
{ disallowInheritPrincipal: true,
referrerURI: referrer ? makeURI(referrer) : null });
},
reload: function(event) {
if (this.onSocial) {
// full reload of social provider
Social._getProviderFromOrigin(this.browser.getAttribute("origin")).reload();
} else {
BrowserReloadOrDuplicate(event);
}
},
// View Partial Source
viewPartialSource: function(aContext) {
let inWindow = !Services.prefs.getBoolPref("view_source.tab");
let openSelectionFn = inWindow ? null : function() {
let tabBrowser = gBrowser;
// In the case of sidebars and chat windows, gBrowser is defined but null,
// because no #content element exists. For these cases, we need to find
// the most recent browser window.
// In the case of popups, we need to find a non-popup browser window.
if (!tabBrowser || !window.toolbar.visible) {
// This returns only non-popup browser windows by default.
let browserWindow = RecentWindow.getMostRecentBrowserWindow();
tabBrowser = browserWindow.gBrowser;
}
let tab = tabBrowser.loadOneTab("about:blank", {
relatedToCurrent: true,
inBackground: false
});
return tabBrowser.getBrowserForTab(tab);
}
let target = aContext == "mathml" ? this.target : null;
top.gViewSourceUtils.viewPartialSourceInBrowser(gBrowser.selectedBrowser, target, openSelectionFn);
},
// Open new "view source" window with the frame's URL.
viewFrameSource: function() {
BrowserViewSourceOfDocument({
browser: this.browser,
URL: gContextMenuContentData.docLocation,
outerWindowID: this.frameOuterWindowID,
});
},
viewInfo: function() {
BrowserPageInfo();
},
viewImageInfo: function() {
// Don't need to pass in ownerDocument.defaultView.top.document here;
// window.gBrowser.selectedBrowser.currentURI.spec does the job without
// using CPOWs
BrowserPageInfo(null, "mediaTab", this.target);
},
viewImageDesc: function(e) {
urlSecurityCheck(this.imageDescURL,
this.browser.contentPrincipal,
Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
openUILink(this.imageDescURL, e, { disallowInheritPrincipal: true,
referrerURI: gContextMenuContentData.documentURIObject });
},
viewFrameInfo: function() {
BrowserPageInfo(gContextMenuContentData.docLocation, null, null,
this.frameOuterWindowID);
},
reloadImage: function() {
urlSecurityCheck(this.mediaURL,
this.browser.contentPrincipal,
Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
this.browser.messageManager.sendAsyncMessage("ContextMenu:ReloadImage",
null, { target: this.target });
},
_canvasToDataURL: function(target) {
let mm = this.browser.messageManager;
return new Promise(function(resolve) {
mm.sendAsyncMessage("ContextMenu:Canvas:ToDataURL", {}, { target });
let onMessage = (message) => {
mm.removeMessageListener("ContextMenu:Canvas:ToDataURL:Result", onMessage);
resolve(message.data.dataURL);
};
mm.addMessageListener("ContextMenu:Canvas:ToDataURL:Result", onMessage);
});
},
// Change current window to the URL of the image, video, or audio.
viewMedia: function(e) {
let referrerURI = gContextMenuContentData.documentURIObject;
if (this.onCanvas) {
this._canvasToDataURL(this.target).then(function(dataURL) {
openUILink(dataURL, e, { disallowInheritPrincipal: true,
referrerURI: referrerURI });
}, Cu.reportError);
}
else {
urlSecurityCheck(this.mediaURL,
this.browser.contentPrincipal,
Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
openUILink(this.mediaURL, e, { disallowInheritPrincipal: true,
referrerURI: referrerURI });
}
},
saveVideoFrameAsImage: function () {
let mm = this.browser.messageManager;
let name = "";
if (this.mediaURL) {
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";
mm.sendAsyncMessage("ContextMenu:SaveVideoFrameAsImage", {}, {
target: this.target,
});
let onMessage = (message) => {
mm.removeMessageListener("ContextMenu:SaveVideoFrameAsImage:Result", onMessage);
let dataURL = message.data.dataURL;
saveImageURL(dataURL, name, "SaveImageTitle", true, false,
document.documentURIObject, document);
};
mm.addMessageListener("ContextMenu:SaveVideoFrameAsImage:Result", onMessage);
},
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);
openUILink(this.bgImageURL, e, { disallowInheritPrincipal: true,
referrerURI: gContextMenuContentData.documentURIObject });
},
setDesktopBackground: function() {
let mm = this.browser.messageManager;
mm.sendAsyncMessage("ContextMenu:SetAsDesktopBackground", null,
{ target: this.target });
let onMessage = (message) => {
mm.removeMessageListener("ContextMenu:SetAsDesktopBackground:Result",
onMessage);
if (message.data.disable)
return;
let image = document.createElementNS('http://www.w3.org/1999/xhtml', 'img');
image.src = message.data.dataUrl;
// 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.
const wm = Cc["@mozilla.org/appshell/window-mediator;1"].
getService(Ci.nsIWindowMediator);
let dbWin = wm.getMostRecentWindow("Shell:SetDesktopBackground");
if (dbWin) {
dbWin.gSetBackground.init(image);
dbWin.focus();
}
else {
openDialog(kDesktopBackgroundURL, "",
"centerscreen,chrome,dialog=no,dependent,resizable=no",
image);
}
#else
// On non-Mac platforms, the Set Wallpaper dialog is modal.
openDialog(kDesktopBackgroundURL, "",
"centerscreen,chrome,dialog,modal,dependent",
image);
#endif
};
mm.addMessageListener("ContextMenu:SetAsDesktopBackground:Result", onMessage);
},
// Save URL of clicked-on frame.
saveFrame: function () {
saveBrowser(this.browser, false, this.frameOuterWindowID);
},
// 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, docURI,
windowID, 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);
const wm = Cc["@mozilla.org/appshell/window-mediator;1"].
getService(Ci.nsIWindowMediator);
let window = wm.getOuterWindowWithId(windowID);
promptSvc.alert(window, title, msg);
} catch (ex) {}
return;
}
let extHelperAppSvc =
Cc["@mozilla.org/uriloader/external-helper-app-service;1"].
getService(Ci.nsIExternalHelperAppService);
let channel = aRequest.QueryInterface(Ci.nsIChannel);
this.extListener =
extHelperAppSvc.doContent(channel.contentType, aRequest,
null, true, window);
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, docURI,
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 ...'
// ideally we should use:
// * doc - as the loadingNode, and/or
// * this.principal - as the loadingPrincipal
// for now lets use systemPrincipal to bypass mixedContentBlocker
// checks after redirects, see bug: 1136055
var channel = NetUtil.newChannel({
uri: makeURI(linkURL),
loadUsingSystemPrincipal: true
});
if (linkDownload)
channel.contentDispositionFilename = linkDownload;
if (channel instanceof Ci.nsIPrivateBrowsingChannel) {
let docIsPrivate = PrivateBrowsingUtils.isBrowserPrivate(gBrowser.selectedBrowser);
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 = docURI;
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() {
urlSecurityCheck(this.linkURL, this.principal);
this.saveHelper(this.linkURL, this.linkTextStr, null, true, this.ownerDoc,
gContextMenuContentData.documentURIObject,
this.frameOuterWindowID,
this.linkDownload);
},
// Backwards-compatibility wrapper
saveImage : function() {
if (this.onCanvas || this.onImage)
this.saveMedia();
},
// Save URL of the clicked upon image, video, or audio.
saveMedia: function() {
let doc = this.ownerDoc;
let referrerURI = gContextMenuContentData.documentURIObject;
if (this.onCanvas) {
// Bypass cache, since it's a data: URL.
this._canvasToDataURL(this.target).then(function(dataURL) {
saveImageURL(dataURL, "canvas.png", "SaveImageTitle",
true, false, referrerURI, doc);
}, Cu.reportError);
}
else if (this.onImage) {
urlSecurityCheck(this.mediaURL, this.principal);
saveImageURL(this.mediaURL, null, "SaveImageTitle", false,
false, referrerURI, doc, gContextMenuContentData.contentType,
gContextMenuContentData.contentDisposition);
}
else if (this.onVideo || this.onAudio) {
urlSecurityCheck(this.mediaURL, this.principal);
var dialogTitle = this.onVideo ? "SaveVideoTitle" : "SaveAudioTitle";
this.saveHelper(this.mediaURL, null, dialogTitle, false, doc, referrerURI,
this.frameOuterWindowID, "");
}
},
// Backwards-compatibility wrapper
sendImage : function() {
if (this.onCanvas || this.onImage)
this.sendMedia();
},
sendMedia: function() {
MailIntegration.sendMessage(this.mediaURL, "");
},
castVideo: function() {
CastingApps.openExternal(this.target, window);
},
populateCastVideoMenu: function(popup) {
let videoEl = this.target;
popup.innerHTML = null;
let doc = popup.ownerDocument;
let services = CastingApps.getServicesForVideo(videoEl);
services.forEach(service => {
let item = doc.createElement("menuitem");
item.setAttribute("label", service.friendlyName);
item.addEventListener("command", event => {
CastingApps.sendVideoToService(videoEl, service);
});
popup.appendChild(item);
});
},
playPlugin: function() {
gPluginHandler.contextMenuCommand(this.browser, this.target, "play");
},
hidePlugin: function() {
gPluginHandler.contextMenuCommand(this.browser, this.target, "hide");
},
// 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 {
const textToSubURI = Cc["@mozilla.org/intl/texttosuburi;1"].
getService(Ci.nsITextToSubURI);
addresses = textToSubURI.unEscapeURIForUI(gContextMenuContentData.charSet,
addresses);
}
catch(ex) {
// Do nothing.
}
var clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].
getService(Ci.nsIClipboardHelper);
clipboard.copyString(addresses);
},
copyLink: function() {
// If we're in a view source tab, remove the view-source: prefix
let linkURL = this.linkURL.replace(/^view-source:/, "");
var clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].
getService(Ci.nsIClipboardHelper);
clipboard.copyString(linkURL);
},
///////////////
// 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.
getLinkText: 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;
},
// Kept for addon compat
linkText: function() {
return this.linkTextStr;
},
isMediaURLReusable: function(aURL) {
return !/^(?:blob|mediasource):/.test(aURL);
},
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";
},
isTargetATextBox: function(node) {
if (node instanceof HTMLInputElement)
return node.mozIsTextField(false);
return (node instanceof HTMLTextAreaElement);
},
// 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() {
window.top.PlacesCommandHook.bookmarkLink(PlacesUtils.bookmarksMenuFolderId,
this.linkURL, this.linkTextStr);
},
addBookmarkForFrame: function CM_addBookmarkForFrame() {
let uri = gContextMenuContentData.documentURIObject;
let mm = this.browser.messageManager;
let onMessage = (message) => {
mm.removeMessageListener("ContextMenu:BookmarkFrame:Result", onMessage);
window.top.PlacesCommandHook.bookmarkLink(PlacesUtils.bookmarksMenuFolderId,
uri.spec,
message.data.title,
message.data.description)
.catch(Components.utils.reportError);
};
mm.addMessageListener("ContextMenu:BookmarkFrame:Result", onMessage);
mm.sendAsyncMessage("ContextMenu:BookmarkFrame", null, { target: this.target });
},
markLink: function CM_markLink(origin) {
// send link to social, if it is the page url linkURI will be null
SocialMarks.markLink(origin, this.linkURI ? this.linkURI.spec : null, this.target);
},
shareLink: function CM_shareLink() {
SocialShare.sharePage(null, { url: this.linkURI.spec }, this.target);
},
shareImage: function CM_shareImage() {
SocialShare.sharePage(null, { url: this.imageURL, previews: [ this.mediaURL ] }, this.target);
},
shareVideo: function CM_shareVideo() {
SocialShare.sharePage(null, { url: this.mediaURL, source: this.mediaURL }, this.target);
},
shareSelect: function CM_shareSelect() {
SocialShare.sharePage(null, { url: this.browser.currentURI.spec, text: this.textSelected }, this.target);
},
savePageAs: function CM_savePageAs() {
saveBrowser(this.browser);
},
printFrame: function CM_printFrame() {
PrintUtils.printWindow(this.frameOuterWindowID, this.browser);
},
switchPageDirection: function CM_switchPageDirection() {
this.browser.messageManager.sendAsyncMessage("SwitchDocumentDirection");
},
mediaCommand : function CM_mediaCommand(command, data) {
let mm = this.browser.messageManager;
mm.sendAsyncMessage("ContextMenu:MediaCommand",
{command: command, data: data},
{element: this.target});
},
copyMediaLocation : function () {
var clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].
getService(Ci.nsIClipboardHelper);
clipboard.copyString(this.mediaURL);
},
drmLearnMore: function(aEvent) {
let drmInfoURL = Services.urlFormatter.formatURLPref("app.support.baseURL") + "drm-content";
let dest = whereToOpenLink(aEvent);
// Don't ever want this to open in the same tab as it'll unload the
// DRM'd video, which is going to be a bad idea in most cases.
if (dest == "current") {
dest = "tab";
}
openUILinkIn(drmInfoURL, dest);
},
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");
let selectedText = this.isTextSelected ? this.textSelected : this.linkTextStr;
// Store searchTerms in context menu item so we know what to search onclick
menuItem.searchTerms = selectedText;
// Copied to alert.js' prefillAlertInfo().
// If the JS character after our truncation point is a trail surrogate,
// include it in the truncated string to avoid splitting a surrogate pair.
if (selectedText.length > 15) {
let truncLength = 15;
let truncChar = selectedText[15].charCodeAt(0);
if (truncChar >= 0xDC00 && truncChar <= 0xDFFF)
truncLength++;
selectedText = selectedText.substr(0,truncLength) + this.ellipsis;
}
// format "Search <engine> for <selection>" string to show in menu
let engineName = Services.search.currentEngine.name;
var menuLabel = gNavigatorBundle.getFormattedString("contextMenuSearch",
[engineName,
selectedText]);
menuItem.label = menuLabel;
menuItem.accessKey = gNavigatorBundle.getString("contextMenuSearch.accesskey");
},
_getTelemetryClickInfo: function(aXulMenu) {
this._onPopupHiding = () => {
aXulMenu.ownerDocument.removeEventListener("command", activationHandler, true);
aXulMenu.removeEventListener("popuphiding", this._onPopupHiding, true);
delete this._onPopupHiding;
let eventKey = [
this._telemetryPageContext,
this._telemetryHadCustomItems ? "withcustom" : "withoutcustom"
];
let target = this._telemetryClickID || "close-without-interaction";
BrowserUITelemetry.registerContextMenuInteraction(eventKey, target);
};
let activationHandler = (e) => {
// Deal with command events being routed to command elements; figure out
// what triggered the event (which will have the right e.target)
if (e.sourceEvent) {
e = e.sourceEvent;
}
// Target should be in the menu (this catches using shortcuts for items
// not in the menu while the menu is up)
if (!aXulMenu.contains(e.target)) {
return;
}
// Check if this is a page menu item:
if (e.target.hasAttribute(PageMenuParent.GENERATEDITEMID_ATTR)) {
this._telemetryClickID = "custom-page-item";
} else {
this._telemetryClickID = (e.target.id || "unknown").replace(/^context-/i, "");
}
};
aXulMenu.ownerDocument.addEventListener("command", activationHandler, true);
aXulMenu.addEventListener("popuphiding", this._onPopupHiding, true);
},
_getTelemetryPageContextInfo: function() {
let rv = [];
for (let k of ["isContentSelected", "onLink", "onImage", "onCanvas", "onVideo", "onAudio",
"onTextInput", "onSocial"]) {
if (this[k]) {
rv.push(k.replace(/^(?:is|on)(.)/, (match, firstLetter) => firstLetter.toLowerCase()));
}
}
if (!rv.length) {
rv.push('other');
}
return JSON.stringify(rv);
},
_checkTelemetryForMenu: function(aXulMenu) {
this._telemetryClickID = null;
this._telemetryPageContext = this._getTelemetryPageContextInfo();
this._telemetryHadCustomItems = this.hasPageMenu;
this._getTelemetryClickInfo(aXulMenu);
},
};