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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
this.EXPORTED_SYMBOLS = ["RecentlyClosedTabsAndWindowsMenuUtils"];
const kNSXUL = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var Ci = Components.interfaces;
var Cc = Components.classes;
var Cr = Components.results;
var Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/PlacesUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
"resource://gre/modules/PluralForm.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "SessionStore",
"resource:///modules/sessionstore/SessionStore.jsm");
var navigatorBundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
this.RecentlyClosedTabsAndWindowsMenuUtils = {
/**
* Builds up a document fragment of UI items for the recently closed tabs.
* @param aWindow
* The window that the tabs were closed in.
* @param aTagName
* The tag name that will be used when creating the UI items.
* @param aPrefixRestoreAll (defaults to false)
* Whether the 'restore all tabs' item is suffixed or prefixed to the list.
* If suffixed (the default) a separator will be inserted before it.
* @param aRestoreAllLabel (defaults to "menuRestoreAllTabs.label")
* Which localizable string to use for the 'restore all tabs' item.
* @returns A document fragment with UI items for each recently closed tab.
*/
getTabsFragment: function(aWindow, aTagName, aPrefixRestoreAll=false,
aRestoreAllLabel="menuRestoreAllTabs.label") {
let doc = aWindow.document;
let fragment = doc.createDocumentFragment();
if (SessionStore.getClosedTabCount(aWindow) != 0) {
let closedTabs = SessionStore.getClosedTabData(aWindow, false);
for (let i = 0; i < closedTabs.length; i++) {
createEntry(aTagName, false, i, closedTabs[i], doc,
closedTabs[i].title, fragment);
}
createRestoreAllEntry(doc, fragment, aPrefixRestoreAll, false,
aRestoreAllLabel, closedTabs.length, aTagName)
}
return fragment;
},
/**
* Builds up a document fragment of UI items for the recently closed windows.
* @param aWindow
* A window that can be used to create the elements and document fragment.
* @param aTagName
* The tag name that will be used when creating the UI items.
* @param aPrefixRestoreAll (defaults to false)
* Whether the 'restore all windows' item is suffixed or prefixed to the list.
* If suffixed (the default) a separator will be inserted before it.
* @param aRestoreAllLabel (defaults to "menuRestoreAllWindows.label")
* Which localizable string to use for the 'restore all windows' item.
* @returns A document fragment with UI items for each recently closed window.
*/
getWindowsFragment: function(aWindow, aTagName, aPrefixRestoreAll=false,
aRestoreAllLabel="menuRestoreAllWindows.label") {
let closedWindowData = SessionStore.getClosedWindowData(false);
let doc = aWindow.document;
let fragment = doc.createDocumentFragment();
if (closedWindowData.length != 0) {
let menuLabelString = navigatorBundle.GetStringFromName("menuUndoCloseWindowLabel");
let menuLabelStringSingleTab =
navigatorBundle.GetStringFromName("menuUndoCloseWindowSingleTabLabel");
for (let i = 0; i < closedWindowData.length; i++) {
let undoItem = closedWindowData[i];
let otherTabsCount = undoItem.tabs.length - 1;
let label = (otherTabsCount == 0) ? menuLabelStringSingleTab
: PluralForm.get(otherTabsCount, menuLabelString);
let menuLabel = label.replace("#1", undoItem.title)
.replace("#2", otherTabsCount);
let selectedTab = undoItem.tabs[undoItem.selected - 1];
createEntry(aTagName, true, i, selectedTab, doc, menuLabel,
fragment);
}
createRestoreAllEntry(doc, fragment, aPrefixRestoreAll, true,
aRestoreAllLabel, closedWindowData.length,
aTagName);
}
return fragment;
},
/**
* Re-open a closed tab and put it to the end of the tab strip.
* Used for a middle click.
* @param aEvent
* The event when the user clicks the menu item
*/
_undoCloseMiddleClick: function(aEvent) {
if (aEvent.button != 1)
return;
aEvent.view.undoCloseTab(aEvent.originalTarget.getAttribute("value"));
aEvent.view.gBrowser.moveTabToEnd();
},
};
function setImage(aItem, aElement) {
let iconURL = aItem.image;
// don't initiate a connection just to fetch a favicon (see bug 467828)
if (/^https?:/.test(iconURL))
iconURL = "moz-anno:favicon:" + iconURL;
aElement.setAttribute("image", iconURL);
}
/**
* Create a UI entry for a recently closed tab or window.
* @param aTagName
* the tag name that will be used when creating the UI entry
* @param aIsWindowsFragment
* whether or not this entry will represent a closed window
* @param aIndex
* the index of the closed tab
* @param aClosedTab
* the closed tab
* @param aDocument
* a document that can be used to create the entry
* @param aMenuLabel
* the label the created entry will have
* @param aFragment
* the fragment the created entry will be in
*/
function createEntry(aTagName, aIsWindowsFragment, aIndex, aClosedTab,
aDocument, aMenuLabel, aFragment) {
let element = aDocument.createElementNS(kNSXUL, aTagName);
element.setAttribute("label", aMenuLabel);
if (aClosedTab.image) {
setImage(aClosedTab, element);
}
if (!aIsWindowsFragment) {
element.setAttribute("value", aIndex);
}
if (aTagName == "menuitem") {
element.setAttribute("class", "menuitem-iconic bookmark-item menuitem-with-favicon");
}
element.setAttribute("oncommand", "undoClose" + (aIsWindowsFragment ? "Window" : "Tab") +
"(" + aIndex + ");");
// Set the targetURI attribute so it will be shown in tooltip.
// SessionStore uses one-based indexes, so we need to normalize them.
let tabData;
tabData = aIsWindowsFragment ? aClosedTab
: aClosedTab.state;
let activeIndex = (tabData.index || tabData.entries.length) - 1;
if (activeIndex >= 0 && tabData.entries[activeIndex]) {
element.setAttribute("targetURI", tabData.entries[activeIndex].url);
}
if (!aIsWindowsFragment) {
element.addEventListener("click", RecentlyClosedTabsAndWindowsMenuUtils._undoCloseMiddleClick);
}
if (aIndex == 0) {
element.setAttribute("key", "key_undoClose" + (aIsWindowsFragment? "Window" : "Tab"));
}
aFragment.appendChild(element);
}
/**
* Create an entry to restore all closed windows or tabs.
* @param aDocument
* a document that can be used to create the entry
* @param aFragment
* the fragment the created entry will be in
* @param aPrefixRestoreAll
* whether the 'restore all windows' item is suffixed or prefixed to the list
* If suffixed a separator will be inserted before it.
* @param aIsWindowsFragment
* whether or not this entry will represent a closed window
* @param aRestoreAllLabel
* which localizable string to use for the entry
* @param aEntryCount
* the number of elements to be restored by this entry
* @param aTagName
* the tag name that will be used when creating the UI entry
*/
function createRestoreAllEntry(aDocument, aFragment, aPrefixRestoreAll,
aIsWindowsFragment, aRestoreAllLabel,
aEntryCount, aTagName) {
let restoreAllElements = aDocument.createElementNS(kNSXUL, aTagName);
restoreAllElements.classList.add("restoreallitem");
restoreAllElements.setAttribute("label", navigatorBundle.GetStringFromName(aRestoreAllLabel));
restoreAllElements.setAttribute("oncommand",
"for (var i = 0; i < " + aEntryCount + "; i++) undoClose" +
(aIsWindowsFragment? "Window" : "Tab") + "();");
if (aPrefixRestoreAll) {
aFragment.insertBefore(restoreAllElements, aFragment.firstChild);
} else {
aFragment.appendChild(aDocument.createElementNS(kNSXUL, "menuseparator"));
aFragment.appendChild(restoreAllElements);
}
}
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