summaryrefslogtreecommitdiffstats
path: root/application/basilisk/components/sessionstore/RecentlyClosedTabsAndWindowsMenuUtils.jsm
blob: ac5731160f6a0bb28f7a5b18c8b57e59a329a68f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/* 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, false);
  }
  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);
  }
}