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bootstrap.js
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bootstrap.js
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const WINDOW_LOADED = -1;
const WINDOW_CLOSED = -2;
const LOG_PREFIX = "[Private Tab] ";
Components.utils.import("resource://gre/modules/Services.jsm");
Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
this.__defineGetter__("patcher", function() {
delete this.patcher;
Components.utils.import("chrome://privatetab/content/patcher.jsm");
patcher.init("privateTabMod::", _log);
return patcher;
});
function install(params, reason) {
try {
Services.strings.flushBundles(); // https://bugzilla.mozilla.org/show_bug.cgi?id=719376
}
catch(e) {
Components.utils.reportError(e);
}
}
function uninstall(params, reason) {
}
function startup(params, reason) {
windowsObserver.init(reason);
}
function shutdown(params, reason) {
windowsObserver.destroy(reason);
}
var windowsObserver = {
initialized: false,
init: function(reason) {
if(this.initialized)
return;
this.initialized = true;
prefs.init();
_dbg = prefs.get("debug", false);
_dbgv = prefs.get("debug.verbose", false);
if(prefs.get("enablePrivateProtocol"))
this.initPrivateProtocol();
this.patchPrivateBrowsingUtils(true);
this.initHotkeys();
this.appButtonDontChange = !prefs.get("fixAppButtonWidth");
this.windows.forEach(function(window) {
this.initWindow(window, reason);
}, this);
Services.ww.registerNotification(this);
Services.obs.addObserver(this, "sessionstore-state-write", false);
},
destroy: function(reason) {
if(!this.initialized)
return;
this.initialized = false;
this.destroyPrivateProtocol();
if(reason == ADDON_DISABLE || reason == ADDON_UNINSTALL)
this.askToClosePrivateTabs();
this.windows.forEach(function(window) {
this.destroyWindow(window, reason);
}, this);
Services.ww.unregisterNotification(this);
if(reason != APP_SHUTDOWN) {
// nsISessionStore may save data after our shutdown
Services.obs.removeObserver(this, "sessionstore-state-write");
this.unloadStyles();
this.restoreAppButtonWidth();
this.patchPrivateBrowsingUtils(false);
}
prefs.destroy();
this._dndPrivateNode = null;
patcher.destroy();
Components.utils.unload("chrome://privatetab/content/patcher.jsm");
},
observe: function(subject, topic, data) {
if(topic == "domwindowopened") {
if(!subject.opener) {
var aw = Services.ww.activeWindow;
if(aw && this.isTargetWindow(aw))
subject.__privateTabOpener = aw;
}
subject.addEventListener("load", this, false);
}
else if(topic == "domwindowclosed")
this.destroyWindow(subject, WINDOW_CLOSED);
else if(topic == "sessionstore-state-write")
this.filterSession(subject);
},
handleEvent: function(e) {
switch(e.type) {
case "load": this.loadHandler(e); break;
case "TabOpen": this.tabOpenHandler(e); break;
case "SSTabRestoring": this.tabRestoringHandler(e); break;
case "TabSelect": this.tabSelectHandler(e); break;
case "TabClose": this.tabCloseHandler(e); break;
case "dragstart": this.dragStartHandler(e); break;
case "dragend": this.dragEndHandler(e); break;
case "drop": this.dropHandler(e); break;
case "popupshowing": this.popupShowingHandler(e); break;
case "command": this.commandHandler(e); break;
case "click": this.clickHandler(e); break;
case "keydown":
case "keypress": this.keypressHandler(e); break;
case "PrivateTab:PrivateChanged": this.privateChangedHandler(e); break;
case "SSWindowStateBusy": this.setWindowBusy(e, true); break;
case "SSWindowStateReady": this.setWindowBusy(e, false); break;
case "close":
case "beforeunload":
case "SSWindowClosing": this.windowClosingHandler(e);
}
},
loadHandler: function(e) {
var window = e.originalTarget.defaultView;
window.removeEventListener("load", this, false);
this.initWindow(window, WINDOW_LOADED);
},
windowClosingHandler: function(e) {
var window = e.currentTarget;
_log("windowClosingHandler() [" + e.type + "]");
if(e.type == "close" || e.type == "beforeunload") {
if(e.defaultPrevented) {
_log(e.type + ": Someone already prevent window closing");
return;
}
if(
this.hasPrivateTab(window)
&& this.isLastPrivate(window)
) {
if(this.forbidCloseLastPrivate()) {
e.preventDefault();
return;
}
else {
var pt = window.privateTab;
pt._checkLastPrivate = false;
window.setTimeout(function() { // OK, seems like window stay open
pt._checkLastPrivate = true;
}, 50);
}
}
if(!this.isSeaMonkey)
return; // This is Firefox, will wait for "SSWindowClosing"
}
if( //~ todo: this looks like SeaMonkey bug... and may be fixed later
(this.isSeaMonkey || !this.isPrivateWindow(window))
&& !prefs.get("savePrivateTabsInSessions")
) {
_log(e.type + " => closePrivateTabs()");
this.closePrivateTabs(window);
}
this.destroyWindowClosingHandler(window);
},
destroyWindowClosingHandler: function(window) {
window.removeEventListener("TabClose", this, true);
window.removeEventListener("TabClose", this, false);
window.removeEventListener("SSWindowClosing", this, true);
window.removeEventListener("close", this, false);
window.removeEventListener("beforeunload", this, false);
},
initPrivateProtocol: function() {
if("privateProtocol" in this)
return;
var tmp = {};
Services.scriptloader.loadSubScript("chrome://privatetab/content/protocol.js", tmp, "UTF-8");
var privateProtocol = this.privateProtocol = tmp.privateProtocol;
privateProtocol.init();
},
destroyPrivateProtocol: function() {
if("privateProtocol" in this) {
this.privateProtocol.destroy();
delete this.privateProtocol;
}
},
initWindow: function(window, reason) {
if(reason == WINDOW_LOADED && !this.isTargetWindow(window)) {
if(this.isViewSourceWindow(window))
this.setViewSourcePrivacy(window);
delete window.__privateTabOpener;
return;
}
var gBrowser = window.gBrowser
|| window.getBrowser(); // For SeaMonkey
window.privateTab = new API(window);
var document = window.document;
this.loadStyles(window);
this.ensureTitleModifier(document);
this.patchBrowsers(gBrowser, true);
this.patchTabIcons(window, true);
window.setTimeout(function() {
// We don't need patched functions right after window "load", so it's better to
// apply patches after any other extensions
this.patchTabBrowserDND(window, gBrowser, true);
this.patchBrowserThumbnails(window, true);
window.setTimeout(function() {
this.patchWarnAboutClosingWindow(window, true);
}.bind(this), 50);
}.bind(this), 0);
if(reason == WINDOW_LOADED)
this.inheritWindowState(window);
Array.forEach(gBrowser.tabs, function(tab) {
this.setTabState(tab);
}, this);
if(this.isPrivateWindow(window)) {
var root = document.documentElement;
// We handle window before gBrowserInit.onLoad(), so set "privatebrowsingmode"
// for fixAppButtonWidth() manually
if(!PrivateBrowsingUtils.permanentPrivateBrowsing)
root.setAttribute("privatebrowsingmode", "temporary");
root.setAttribute(this.privateAttr, "true");
}
window.setTimeout(function() {
// Wait for third-party styles like https://addons.mozilla.org/addon/movable-firefox-button/
this.appButtonNA = false;
this.fixAppButtonWidth(document);
this.updateWindowTitle(gBrowser);
}.bind(this), 0);
// See https://github.com/Infocatcher/Private_Tab/issues/83
// It's better to handle "TabOpen" before other extensions, but after our waitForTab()
// with window.addEventListener("TabOpen", ..., true);
document.addEventListener("TabOpen", this, true);
window.addEventListener("SSTabRestoring", this, false);
window.addEventListener("TabSelect", this, false);
window.addEventListener("TabClose", this, true);
window.addEventListener("TabClose", this, false);
window.addEventListener("dragstart", this, true);
window.addEventListener("dragend", this, true);
window.addEventListener("drop", this, true);
window.addEventListener("PrivateTab:PrivateChanged", this, false);
window.addEventListener("SSWindowStateBusy", this, true);
window.addEventListener("SSWindowStateReady", this, true);
window.addEventListener("SSWindowClosing", this, true);
window.addEventListener("close", this, false);
window.addEventListener("beforeunload", this, false);
if(this.hotkeys)
window.addEventListener(this.keyEvent, this, this.keyHighPriority);
window.setTimeout(function() {
this.initControls(document);
window.setTimeout(function() {
this.setHotkeysText(document);
}.bind(this), 10);
}.bind(this), 50);
this.initToolbarButton(document);
},
destroyWindow: function(window, reason) {
window.removeEventListener("load", this, false); // Window can be closed before "load"
if(reason == WINDOW_CLOSED && !this.isTargetWindow(window))
return;
_log("destroyWindow()");
var document = window.document;
var gBrowser = window.gBrowser;
var force = reason != APP_SHUTDOWN && reason != WINDOW_CLOSED;
var disable = reason == ADDON_DISABLE || reason == ADDON_UNINSTALL;
if(force) {
var isPrivateWindow = this.isPrivateWindow(window);
Array.forEach(gBrowser.tabs, function(tab) {
tab.removeAttribute(this.privateAttr);
if(disable && isPrivateWindow ^ this.isPrivateTab(tab)) {
this.toggleTabPrivate(tab, isPrivateWindow);
this.fixTabState(tab, false); // Always remove this.privateAttr
}
}, this);
document.documentElement.removeAttribute(this.privateAttr);
_log("Restore title...");
if(!isPrivateWindow)
this.updateWindowTitle(gBrowser, false);
this.destroyTitleModifier(document);
}
this.patchBrowsers(gBrowser, false, !force);
this.patchTabBrowserDND(window, gBrowser, false, false, !force);
this.patchWarnAboutClosingWindow(window, false, !force);
this.patchTabBrowserLoadURI(window, gBrowser, false, false, !force);
this.patchTabIcons(window, false, !force);
this.patchBrowserThumbnails(window, false, !force);
this.unwatchAppButton(window);
document.removeEventListener("TabOpen", this, true);
window.removeEventListener("SSTabRestoring", this, false);
window.removeEventListener("TabSelect", this, false);
window.removeEventListener("dragstart", this, true);
window.removeEventListener("dragend", this, true);
window.removeEventListener("drop", this, true);
window.removeEventListener(this.keyEvent, this, this.keyHighPriority);
window.removeEventListener("PrivateTab:PrivateChanged", this, false);
window.removeEventListener("SSWindowStateBusy", this, true);
window.removeEventListener("SSWindowStateReady", this, true);
if(reason != WINDOW_CLOSED) {
// See resource:///modules/sessionstore/SessionStore.jsm
// "domwindowclosed" => onClose() => "SSWindowClosing"
// This may happens after our "domwindowclosed" notification!
this.destroyWindowClosingHandler(window);
}
this.destroyControls(window, force);
window.privateTab._destroy();
delete window.privateTab;
},
get isSeaMonkey() {
delete this.isSeaMonkey;
return this.isSeaMonkey = Services.appinfo.name == "SeaMonkey";
},
get windows() {
var windows = [];
var ws = Services.wm.getEnumerator(this.isSeaMonkey ? null : "navigator:browser");
while(ws.hasMoreElements()) {
var window = ws.getNext();
if(this.isTargetWindow(window))
windows.push(window);
}
return windows;
},
isTargetWindow: function(window) {
var document = window.document;
var rs = document.readyState;
// We can't touch document.documentElement in not yet loaded window!
// See https://github.com/Infocatcher/Private_Tab/issues/61
if(rs != "interactive" && rs != "complete")
return false;
var winType = document.documentElement.getAttribute("windowtype");
return winType == "navigator:browser"
|| winType == "navigator:private"; // SeaMonkey >= 2.19a1 (2013-03-27)
},
isViewSourceWindow: function(window) {
return window.location.href == "chrome://global/content/viewSource.xul";
},
setViewSourcePrivacy: function(window) {
var args = window.arguments;
var vsURI = args && args[0];
var vsPageDesc = args && args[2];
if(!vsURI || !vsPageDesc) {
_log(
"setViewSourcePrivacy(): view source window was opened with unusable arguments:\n"
+ (args && Array.map(args, String).join("\n"))
);
return;
}
var opener = window.opener || window.__privateTabOpener;
if(
!opener
|| opener.closed
|| !opener.gBrowser
|| !opener.gBrowser.browsers
) {
_log("setViewSourcePrivacy(): can't get (or wrong) opener window");
return;
}
vsPageDesc instanceof Components.interfaces.nsISHEntry;
opener.gBrowser.browsers.some(function(browser, i) {
var content = getSourceWindow(browser.contentWindow);
if(!content)
return false;
_log(
"setViewSourcePrivacy(): found source tab #" + i + ":\n" + browser.currentURI.spec
+ (content == browser.contentWindow ? "" : "\n=> " + content.location.href)
);
var isPrivate = this.isPrivateWindow(content);
var privacyContext = this.getPrivacyContext(window);
if(privacyContext.usePrivateBrowsing != isPrivate) {
_log("setViewSourcePrivacy(): make window " + (isPrivate ? "private" : "not private"));
privacyContext.usePrivateBrowsing = isPrivate;
}
return true;
}, this);
function getSourceWindow(win) {
if(isSourceWindow(win))
return win;
var frames = win.frames;
if(frames) for(var i = 0, l = frames.length; i < l; ++i) {
var sourceWin = getSourceWindow(frames[i]);
if(sourceWin)
return sourceWin;
}
return null;
}
function isSourceWindow(win) {
try {
var pageDesc = win
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebNavigation)
.QueryInterface(Components.interfaces.nsIWebPageDescriptor)
.currentDescriptor;
}
catch(e) { // Throws for not yet loaded (pending) tabs
}
return pageDesc
&& pageDesc instanceof Components.interfaces.nsISHEntry
&& pageDesc.ID && pageDesc.ID == vsPageDesc.ID
&& pageDesc.docshellID && pageDesc.docshellID == vsPageDesc.docshellID
&& win.location.href == vsURI;
}
},
inheritWindowState: function(window) {
var args = window.arguments || undefined;
_log(
"inheritWindowState():\nwindow.opener: " + window.opener
+ "\nwindow.__privateTabOpener: " + (window.__privateTabOpener || undefined)
+ "\nwindow.arguments:\n" + (args && Array.map(args, String).join("\n"))
);
var opener = window.opener || window.__privateTabOpener || null;
delete window.__privateTabOpener;
var isEmptyWindow = args && !(3 in args);
if((!opener || isEmptyWindow) && prefs.get("makeNewEmptyWindowsPrivate")) {
_log("Make new empty window private");
this.toggleWindowPrivate(window, true);
return;
}
if(!opener || opener.closed || !this.isTargetWindow(opener) || !opener.gBrowser)
return;
if(isEmptyWindow) {
_log("inheritWindowState(): Looks like new empty window, ignore");
return;
}
// See chrome://browser/content/browser.js, nsBrowserAccess.prototype.openURI()
// newWindow = openDialog(getBrowserURL(), "_blank", "all,dialog=no", url, null, null, null);
if(
args && 3 in args && !(4 in args)
&& args[1] === null
&& args[2] === null
&& args[3] === null
&& !prefs.get("allowOpenExternalLinksInPrivateTabs")
) {
_log("Looks like window, opened from external application, ignore");
return;
}
if(this.isPrivateWindow(window)) {
_log("inheritWindowState(): Ignore already private window");
return;
}
if(!this.isPrivateWindow(opener.content))
return;
_log("Inherit private state from current tab of the opener window");
this.toggleWindowPrivate(window, true);
},
prefChanged: function(pName, pVal) {
if(pName.startsWith("key."))
this.updateHotkeys(true);
else if(pName == "keysUseKeydownEvent" || pName == "keysHighPriority")
this.updateHotkeys();
else if(pName == "fixAppButtonWidth") {
this.appButtonDontChange = !pVal;
this.restoreAppButtonWidth();
this.windows.forEach(function(window) {
var document = window.document;
this.appButtonNA = false;
if(pVal && !this.appButtonCssURI)
this.fixAppButtonWidth(document);
this.updateAppButtonWidth(document, true);
}, this);
}
else if(pName == "dragAndDropTabsBetweenDifferentWindows") {
this.windows.forEach(function(window) {
this.patchTabBrowserDND(window, window.gBrowser, pVal, true);
}, this);
}
else if(pName == "makeNewEmptyTabsPrivate") {
this.windows.forEach(function(window) {
var document = window.document;
var menuItem = document.getElementById(this.newTabMenuId);
if(menuItem)
menuItem.hidden = pVal;
var appMenuItem = document.getElementById(this.newTabAppMenuId);
if(appMenuItem)
appMenuItem.hidden = pVal;
}, this);
}
else if(pName == "patchDownloads") {
if(!pVal) this.windows.forEach(function(window) {
this.updateDownloadPanel(window, this.isPrivateWindow(window));
}, this);
}
else if(pName == "allowOpenExternalLinksInPrivateTabs") {
this.windows.forEach(function(window) {
this.patchTabBrowserLoadURI(window, window.gBrowser, !pVal, true);
}, this);
}
else if(pName == "enablePrivateProtocol") {
if(pVal)
this.initPrivateProtocol();
else
this.destroyPrivateProtocol();
this.reloadStyles();
}
else if(pName == "debug")
_dbg = pVal;
else if(pName == "debug.verbose")
_dbgv = pVal;
},
pbuFake: function(isPrivate) {
return Object.create(PrivateBrowsingUtils, {
isWindowPrivate: {
value: function privateTabWrapper(window) {
return isPrivate; //~ todo: check call stack?
},
configurable: true,
enumerable: true
}
});
},
get pbuFakePrivate() {
delete this.pbuFakePrivate;
return this.pbuFakePrivate = this.pbuFake(true);
},
get pbuFakeNonPrivate() {
delete this.pbuFakeNonPrivate;
return this.pbuFakeNonPrivate = this.pbuFake(false);
},
patchTabBrowserDND: function(window, gBrowser, applyPatch, skipCheck, forceDestroy) {
if(!skipCheck && !prefs.get("dragAndDropTabsBetweenDifferentWindows"))
return;
if(applyPatch)
window._privateTabPrivateBrowsingUtils = PrivateBrowsingUtils;
else {
delete window._privateTabPrivateBrowsingUtils;
delete window.PrivateBrowsingUtils;
window.PrivateBrowsingUtils = PrivateBrowsingUtils;
}
// Note: we can't patch gBrowser.tabContainer.__proto__ nor gBrowser.__proto__:
// someone may patch instance instead of prototype...
this.overridePrivateBrowsingUtils(
window,
gBrowser.tabContainer,
"_setEffectAllowedForDataTransfer",
"gBrowser.tabContainer._setEffectAllowedForDataTransfer",
true,
applyPatch,
forceDestroy
);
this.overridePrivateBrowsingUtils(
window,
gBrowser,
"swapBrowsersAndCloseOther",
"gBrowser.swapBrowsersAndCloseOther",
true,
applyPatch,
forceDestroy
);
},
patchWarnAboutClosingWindow: function(window, applyPatch, forceDestroy) {
if(this.isSeaMonkey && !("warnAboutClosingWindow" in window))
return;
this.overridePrivateBrowsingUtils(
window,
window,
"warnAboutClosingWindow",
"window.warnAboutClosingWindow",
false,
applyPatch,
forceDestroy
);
},
ensureTabBrowserLoadURIPatched: function(window) {
if(
!prefs.get("allowOpenExternalLinksInPrivateTabs")
&& !patcher.isWrapped(window.gBrowser, "gBrowser.loadURIWithFlags")
)
this.patchTabBrowserLoadURI(window, window.gBrowser, true, true);
},
patchTabBrowserLoadURI: function(window, gBrowser, applyPatch, skipCheck, forceDestroy) {
if(!skipCheck && prefs.get("allowOpenExternalLinksInPrivateTabs"))
return;
if(applyPatch) {
var _this = this;
patcher.wrapFunction(
gBrowser, "loadURIWithFlags", "gBrowser.loadURIWithFlags",
function before(aURI, aFlags, aReferrerURI, aCharset, aPostData) {
if(
aFlags & Components.interfaces.nsIWebNavigation.LOAD_FLAGS_FROM_EXTERNAL
&& _this.isPrivateTab(this.selectedTab)
) {
_log("loadURIWithFlags() with LOAD_FLAGS_FROM_EXTERNAL flag => open in new tab");
// See chrome://browser/content/browser.js, nsBrowserAccess.prototype.openURI()
var tab = this.loadOneTab(aURI || "about:blank", {
referrerURI: aReferrerURI,
fromExternal: true,
inBackground: prefs.getPref("browser.tabs.loadDivertedInBackground")
});
return !!tab;
}
}
);
}
else {
patcher.unwrapFunction(gBrowser, "loadURIWithFlags", "gBrowser.loadURIWithFlags", forceDestroy);
}
},
patchBrowsers: function(gBrowser, applyPatch, forceDestroy) {
var browser = gBrowser.browsers && gBrowser.browsers[0];
if(!browser) {
Components.utils.reportError(LOG_PREFIX + "!!! Can't find browser to patch browser.swapDocShells()");
return;
}
var browserProto = Object.getPrototypeOf(browser);
if(!browserProto || !("swapDocShells" in browserProto)) {
_log("Can't patch browser: no swapDocShells() method");
return;
}
if(applyPatch) {
_log("Patch browser.__proto__.swapDocShells() method");
var _this = this;
patcher.wrapFunction(
browserProto, "swapDocShells", "browser.swapDocShells",
function before(otherBrowser) {
if("_privateTabIsPrivate" in this) {
before.isPrivate = this._privateTabIsPrivate;
delete this._privateTabIsPrivate;
_log("swapDocShells(): we recently set private state to " + before.isPrivate);
return;
}
try {
before.isPrivate = otherBrowser.webNavigation
.QueryInterface(Components.interfaces.nsILoadContext)
.usePrivateBrowsing;
_log("swapDocShells(): usePrivateBrowsing: " + before.isPrivate);
}
catch(e) {
Components.utils.reportError(e);
}
},
function after(ret, otherBrowser) {
var isPrivate = after.before.isPrivate;
if(isPrivate !== undefined) try {
this.webNavigation
.QueryInterface(Components.interfaces.nsILoadContext)
.usePrivateBrowsing = isPrivate;
_log("swapDocShells(): set usePrivateBrowsing to " + isPrivate);
var tab = _this.getTabForBrowser(this);
tab && _this.dispatchAPIEvent(tab, "PrivateTab:PrivateChanged", isPrivate);
}
catch(e) {
Components.utils.reportError(e);
}
}
);
}
else {
_log("Restore browser.__proto__.swapDocShells() method");
patcher.unwrapFunction(browserProto, "swapDocShells", "browser.swapDocShells", forceDestroy);
}
},
overridePrivateBrowsingUtils: function(window, obj, meth, key, isPrivate, applyPatch, forceDestroy) {
if(!obj || !(meth in obj)) {
Components.utils.reportError(LOG_PREFIX + "!!! Can't find " + key + "()");
return;
}
if(applyPatch) {
//_log("Override window.PrivateBrowsingUtils for " + key + ", isPrivate: " + isPrivate);
var pbuOrig = PrivateBrowsingUtils;
var pbuFake = isPrivate ? this.pbuFakePrivate : this.pbuFakeNonPrivate;
var restoreTimer = 0;
patcher.wrapFunction(
obj, meth, key,
function before(event) {
//_log("[patcher] Override PrivateBrowsingUtils.isWindowPrivate()");
window.PrivateBrowsingUtils = pbuFake;
window.clearTimeout(restoreTimer);
restoreTimer = window.setTimeout(function() { // Restore anyway
if(window.PrivateBrowsingUtils != pbuOrig)
window.PrivateBrowsingUtils = pbuOrig;
}, 0);
},
function after(ret, event) {
window.PrivateBrowsingUtils = pbuOrig;
}
);
}
else {
patcher.unwrapFunction(obj, meth, key, forceDestroy);
}
},
patchTabIcons: function(window, applyPatch, forceDestroy) {
this.patchSetIcon(window, applyPatch, forceDestroy);
if(this.isSeaMonkey)
this.patchTabSetAttribute(window, applyPatch, forceDestroy);
},
patchSetIcon: function(window, applyPatch, forceDestroy) {
var gBrowser = window.gBrowser;
var meth = "setIcon";
var key = "gBrowser." + meth;
if(applyPatch) {
var _this = this;
var restore;
var restoreTimer = 0;
patcher.wrapFunction(
gBrowser, meth, key,
function before(tab, uri) {
if(!uri || _this.isPrivateWindow(window))
return;
var isPrivate = _this.isPrivateTab(tab);
if(!isPrivate)
return;
_log("[patcher] " + key + "(): isPrivate = " + isPrivate);
_this._overrideIsPrivate = isPrivate;
window.clearTimeout(restoreTimer);
var origSetAttr = Object.getOwnPropertyDescriptor(tab, "setAttribute");
tab.setAttribute = _this.setTabAttributeProxy;
if(_this.isSeaMonkey) {
_log("Override gBrowser.usePrivateBrowsing to " + isPrivate);
var origUsePrivateBrowsing = Object.getOwnPropertyDescriptor(gBrowser, "usePrivateBrowsing");
Object.defineProperty(gBrowser, "usePrivateBrowsing", {
get: function() {
return isPrivate;
},
configurable: true,
enumerable: true
});
}
restore = function() {
_this._overrideIsPrivate = undefined;
if(origSetAttr)
Object.defineProperty(tab, "setAttribute", origSetAttr);
else
delete tab.setAttribute;
if(_this.isSeaMonkey) {
if(origUsePrivateBrowsing)
Object.defineProperty(gBrowser, "usePrivateBrowsing", origUsePrivateBrowsing);
else
delete gBrowser.usePrivateBrowsing;
}
restore = null;
};
restoreTimer = window.setTimeout(restore, 0); // Restore anyway
},
function after(ret, tab, uri) {
if(restore) {
window.clearTimeout(restoreTimer);
restore();
}
}
);
}
else {
patcher.unwrapFunction(gBrowser, meth, key, forceDestroy);
}
},
patchTabSetAttribute: function(window, applyPatch, forceDestroy) {
var tab = window.gBrowser.tabs[0];
var tabProto = Object.getPrototypeOf(tab);
if(applyPatch) {
tabProto._privateTabOrigSetAttribute = Object.getOwnPropertyDescriptor(tabProto, "setAttribute");
tabProto.setAttribute = this.setTabAttributeProxy;
}
else {
var orig = tabProto._privateTabOrigSetAttribute;
delete tabProto._privateTabOrigSetAttribute;
if(orig)
Object.defineProperty(tabProto, "setAttribute", orig);
else
delete tabProto.setAttribute;
}
_log("Override tab.setAttribute()");
},
setTabAttributeProxy: function(attr, val) {
var args = arguments;
if(attr == "image" && val) {
val += ""; // Convert to string
if(
!val.startsWith("moz-anno:favicon:")
&& privateTabInternal.isPrivateTab(this)
) {
args = Array.slice(args);
try {
var browser = this.linkedBrowser;
var doc = browser.contentDocument;
if(doc instanceof Components.interfaces.nsIImageDocument) {
// Will use base64 representation for icons of image documents
var req = doc.imageRequest;
if(req && req.image) {
var img = doc.getElementsByTagNameNS("http://www.w3.org/1999/xhtml", "img")[0];
var canvas = doc.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
canvas.width = req.image.width;
canvas.height = req.image.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
args[1] = canvas.toDataURL();
_log("setTabAttributeProxy() => data:");
}
}
}
catch(e) {
Components.utils.reportError(e);
// Something went wrong, will use cached icon
args[1] = "moz-anno:favicon:" + val.replace(/[&#]-moz-resolution=\d+,\d+$/, "");
_log("setTabAttributeProxy() => moz-anno:favicon:");
}
}
}
return Object.getPrototypeOf(Object.getPrototypeOf(this)).setAttribute.apply(this, args);
},
patchBrowserThumbnails: function(window, applyPatch, forceDestroy) {
if(!("gBrowserThumbnails" in window)) // SeaMonkey?
return;
var gBrowserThumbnails = window.gBrowserThumbnails;
var meth = "_shouldCapture";
var key = "gBrowserThumbnails." + meth;
if(applyPatch) {
var _this = this;
patcher.wrapFunction(
gBrowserThumbnails, meth, key,
function before(browser) {
if(_this.isPrivateWindow(window.content)) {
_log(key + ": forbid capturing from " + browser.currentURI.spec.substr(0, 255));
return { value: false };
}
return false;
}
);
}
else {
patcher.unwrapFunction(gBrowserThumbnails, meth, key, forceDestroy);
}
},
tabOpenHandler: function(e) {
var tab = e.originalTarget || e.target;
var window = tab.ownerDocument.defaultView;
if("_privateTabIgnore" in tab) {
window.setTimeout(function() { // Wait for possible following "SSTabRestoring"
delete tab._privateTabIgnore;
}, 0);
return;
}
_dbgv && _log(e.type + ":\n" + new Error().stack);
//_dbgv && _log(e.type + ": Components.stack:\n" + JSON.stringify(Components.stack, null, "\t"));
if(!prefs.get("allowOpenExternalLinksInPrivateTabs")) {
var err = new Error();
var curFile = "@" + err.fileName + ":";
var stack = err.stack.trimRight().split("\n");
if( // this.handleEvent() => this.tabOpenHandler()
stack.length == 2 && stack.every(function(line) {
return line.indexOf(curFile) != -1;
})
) {
_log("Looks like tab, opened from external application, ignore");
return;
}
}
var gBrowser = this.getTabBrowser(tab);
//~ todo: try get real tab owner!
var isPrivate;
if(!this.isEmptyTab(tab, gBrowser)) {
if(this.isPrivateWindow(window.content))
isPrivate = true;
else if(this.isPrivateWindow(window))
isPrivate = false; // Override browser behavior!
}
else if(
window.privateTab
&& !window.privateTab._ssWindowBusy
&& prefs.get("makeNewEmptyTabsPrivate")
) {
_log("Make new empty tab private");
isPrivate = true;
}
_log(
"Tab opened: " + (tab.getAttribute("label") || "").substr(0, 256)
+ "\nInherit private state: " + isPrivate
);
if(isPrivate != undefined)
this.toggleTabPrivate(tab, isPrivate);
else {
window.setTimeout(function() {
this.setTabState(tab);
}.bind(this), 0);
}
},
tabRestoringHandler: function(e) {
var tab = e.originalTarget || e.target;
if("_privateTabIgnore" in tab) {
delete tab._privateTabIgnore;
this.setTabState(tab); // Restore private attribute
return;
}
_log("Tab restored: " + (tab.getAttribute("label") || "").substr(0, 256));
var isPrivate = tab.hasAttribute(this.privateAttr);
if(this.isPrivateTab(tab) != isPrivate) {
_log("Make restored tab " + (isPrivate ? "private" : "not private"));
this.toggleTabPrivate(tab, isPrivate);
if(isPrivate) {
var window = tab.ownerDocument.defaultView;
this.onFirstPrivateTab(window, tab);
window.privateTab._onFirstPrivateTab(window, tab);
}
}
},
tabCloseHandler: function(e) {
if(e.eventPhase == e.CAPTURING_PHASE)
this.checkForLastPrivateTab(e);
else
this.cleanupClosedTab(e);
},
checkForLastPrivateTab: function(e) {
// We can't open new private tab in bubbling phase:
// Error: TypeError: preview is undefined
// Source file: resource://app/modules/WindowsPreviewPerTab.jsm
var tab = e.originalTarget || e.target;
var window = tab.ownerDocument.defaultView;
if(
window.privateTab._checkLastPrivate
&& this.isPrivateTab(tab)
&& this.isLastPrivate(tab)
) {
_log("Closed last private tab");
if(this.forbidCloseLastPrivate()) {
var pos = "_tPos" in tab
? tab._tPos
: Array.indexOf(window.gBrowser.tabs, tab); // SeaMonkey
this.openNewPrivateTab(window, function(newTab) {
newTab && window.gBrowser.moveTabTo(newTab, pos);
});
}
}
},
cleanupClosedTab: function(e) {
if(prefs.get("rememberClosedPrivateTabs"))
return;
var tab = e.originalTarget || e.target;
if(!this.isPrivateTab(tab))
return;
var window = tab.ownerDocument.defaultView;
_log(
"Private tab closed: " + (tab.getAttribute("label") || "").substr(0, 256)
+ "\nTry don't save it in undo close history"
);
var silentFail = false;
if(e.detail) {
_log("Tab moved to another window");
silentFail = true;
}
else if(tab.hasAttribute("closedownloadtabs-closed")) {
// https://github.com/Infocatcher/Close_Download_Tabs
_log('Found "closedownloadtabs-closed" attribute');
silentFail = true;
}
this.forgetClosedTab(window, silentFail);
if(this.isSeaMonkey)
window.setTimeout(this.forgetClosedTab.bind(this, window, silentFail, true), 0);
},
closePrivateTabs: function(window) {
var gBrowser = window.gBrowser;
var tabs = gBrowser.tabs;
var hasNotPrivate = false;
for(var i = tabs.length - 1; i >= 0; --i) {
var tab = tabs[i];
if(!tab.hasAttribute(this.privateAttr))
hasNotPrivate = true;
else {
if(i == 0 && !hasNotPrivate)
gBrowser.selectedTab = gBrowser.addTab("about:blank", { skipAnimation: true });
gBrowser.removeTab(tab, { animate: false });
_log("closePrivateTabs(): remove tab: " + (tab.getAttribute("label") || "").substr(0, 256));
}
}
return !hasNotPrivate;
},
askToClosePrivateTabs: function() {
var privateTabs = 0;
this.windows.forEach(function(window) {
if(this.isPrivateWindow(window))
return;
Array.forEach(
window.gBrowser.tabs,
function(tab) {
if(tab.hasAttribute(this.privateAttr))
++privateTabs;
},
this
);
}, this);
_log("askToClosePrivateTabs(): tabs count: " + privateTabs);
if(!privateTabs)
return;
var ps = Services.prompt;
// https://bugzilla.mozilla.org/show_bug.cgi?id=345067
// confirmEx always returns 1 if the user closes the window using the close button in the titlebar
var single = privateTabs == 1 ? "Single" : "";
var closeTabs = ps.confirmEx(
Services.ww.activeWindow,
this.getLocalized("dialogTitle" + single),
this.getLocalized("dialogQuestion" + single).replace("%S", privateTabs),