gecko/browser/components/preferences/permissions.js

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# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Firefox Preferences System.
#
# The Initial Developer of the Original Code is
# Ben Goodger.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Ben Goodger <ben@mozilla.org>
# Blake Ross <firefox@blakeross.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
const nsIPermissionManager = Components.interfaces.nsIPermissionManager;
const nsICookiePermission = Components.interfaces.nsICookiePermission;
function Permission(host, rawHost, type, capability, perm)
{
this.host = host;
this.rawHost = rawHost;
this.type = type;
this.capability = capability;
this.perm = perm;
}
var gPermissionManager = {
_type : "",
_permissions : [],
_pm : Components.classes["@mozilla.org/permissionmanager;1"]
.getService(Components.interfaces.nsIPermissionManager),
_bundle : null,
_tree : null,
_view: {
_rowCount: 0,
get rowCount()
{
return this._rowCount;
},
getCellText: function (aRow, aColumn)
{
if (aColumn.id == "siteCol")
return gPermissionManager._permissions[aRow].rawHost;
else if (aColumn.id == "statusCol")
return gPermissionManager._permissions[aRow].capability;
return "";
},
isSeparator: function(aIndex) { return false; },
isSorted: function() { return false; },
isContainer: function(aIndex) { return false; },
setTree: function(aTree){},
getImageSrc: function(aRow, aColumn) {},
getProgressMode: function(aRow, aColumn) {},
getCellValue: function(aRow, aColumn) {},
cycleHeader: function(column) {},
getRowProperties: function(row,prop){},
getColumnProperties: function(column,prop){},
getCellProperties: function(row,column,prop){
if (column.element.getAttribute("id") == "siteCol")
prop.AppendElement(this._ltrAtom);
}
},
_getCapabilityString: function (aCapability)
{
var stringKey = null;
switch (aCapability) {
case nsIPermissionManager.ALLOW_ACTION:
stringKey = "can";
break;
case nsIPermissionManager.DENY_ACTION:
stringKey = "cannot";
break;
case nsICookiePermission.ACCESS_SESSION:
stringKey = "canSession";
break;
}
return this._bundle.getString(stringKey);
},
addPermission: function (aCapability)
{
var textbox = document.getElementById("url");
var host = textbox.value.replace(/^\s*([-\w]*:\/+)?/, ""); // trim any leading space and scheme
try {
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
var uri = ioService.newURI("http://"+host, null, null);
host = uri.host;
} catch(ex) {
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
var message = this._bundle.getString("invalidURI");
var title = this._bundle.getString("invalidURITitle");
promptService.alert(window, title, message);
return;
}
var capabilityString = this._getCapabilityString(aCapability);
// check whether the permission already exists, if not, add it
var exists = false;
for (var i = 0; i < this._permissions.length; ++i) {
if (this._permissions[i].rawHost == host) {
// Avoid calling the permission manager if the capability settings are
// the same. Otherwise allow the call to the permissions manager to
// update the listbox for us.
exists = this._permissions[i].perm == aCapability;
break;
}
}
if (!exists) {
host = (host.charAt(0) == ".") ? host.substring(1,host.length) : host;
var uri = ioService.newURI("http://" + host, null, null);
this._pm.add(uri, this._type, aCapability);
}
textbox.value = "";
textbox.focus();
// covers a case where the site exists already, so the buttons don't disable
this.onHostInput(textbox);
// enable "remove all" button as needed
document.getElementById("removeAllPermissions").disabled = this._permissions.length == 0;
},
onHostInput: function (aSiteField)
{
document.getElementById("btnSession").disabled = !aSiteField.value;
document.getElementById("btnBlock").disabled = !aSiteField.value;
document.getElementById("btnAllow").disabled = !aSiteField.value;
},
onHostKeyPress: function (aEvent)
{
if (aEvent.keyCode == KeyEvent.DOM_VK_RETURN)
document.getElementById("btnAllow").click();
},
onLoad: function ()
{
this._bundle = document.getElementById("bundlePreferences");
var params = window.arguments[0];
this.init(params);
},
init: function (aParams)
{
if (this._type) {
// reusing an open dialog, clear the old observer
this.uninit();
}
this._type = aParams.permissionType;
this._manageCapability = aParams.manageCapability;
var permissionsText = document.getElementById("permissionsText");
while (permissionsText.hasChildNodes())
permissionsText.removeChild(permissionsText.firstChild);
permissionsText.appendChild(document.createTextNode(aParams.introText));
document.title = aParams.windowTitle;
document.getElementById("btnBlock").hidden = !aParams.blockVisible;
document.getElementById("btnSession").hidden = !aParams.sessionVisible;
document.getElementById("btnAllow").hidden = !aParams.allowVisible;
var urlFieldVisible = (aParams.blockVisible || aParams.sessionVisible || aParams.allowVisible);
var urlField = document.getElementById("url");
urlField.value = aParams.prefilledHost;
urlField.hidden = !urlFieldVisible;
this.onHostInput(urlField);
var urlLabel = document.getElementById("urlLabel");
urlLabel.hidden = !urlFieldVisible;
var os = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
os.addObserver(this, "perm-changed", false);
this._loadPermissions();
urlField.focus();
this._ltrAtom = Components.classes["@mozilla.org/atom-service;1"]
.getService(Components.interfaces.nsIAtomService)
.getAtom("ltr");
},
uninit: function ()
{
var os = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
os.removeObserver(this, "perm-changed");
},
observe: function (aSubject, aTopic, aData)
{
if (aTopic == "perm-changed") {
var permission = aSubject.QueryInterface(Components.interfaces.nsIPermission);
if (aData == "added") {
this._addPermissionToList(permission);
++this._view._rowCount;
this._tree.treeBoxObject.rowCountChanged(this._view.rowCount - 1, 1);
// Re-do the sort, since we inserted this new item at the end.
gTreeUtils.sort(this._tree, this._view, this._permissions,
this._lastPermissionSortColumn,
this._lastPermissionSortAscending);
}
else if (aData == "changed") {
for (var i = 0; i < this._permissions.length; ++i) {
if (this._permissions[i].host == permission.host) {
this._permissions[i].capability = this._getCapabilityString(permission.capability);
break;
}
}
// Re-do the sort, if the status changed from Block to Allow
// or vice versa, since if we're sorted on status, we may no
// longer be in order.
if (this._lastPermissionSortColumn.id == "statusCol") {
gTreeUtils.sort(this._tree, this._view, this._permissions,
this._lastPermissionSortColumn,
this._lastPermissionSortAscending);
}
this._tree.treeBoxObject.invalidate();
}
// No UI other than this window causes this method to be sent a "deleted"
// notification, so we don't need to implement it since Delete is handled
// directly by the Permission Removal handlers. If that ever changes, those
// implementations will have to move into here.
}
},
onPermissionSelected: function ()
{
var hasSelection = this._tree.view.selection.count > 0;
var hasRows = this._tree.view.rowCount > 0;
document.getElementById("removePermission").disabled = !hasRows || !hasSelection;
document.getElementById("removeAllPermissions").disabled = !hasRows;
},
onPermissionDeleted: function ()
{
if (!this._view.rowCount)
return;
var removedPermissions = [];
gTreeUtils.deleteSelectedItems(this._tree, this._view, this._permissions, removedPermissions);
for (var i = 0; i < removedPermissions.length; ++i) {
var p = removedPermissions[i];
this._pm.remove(p.host, p.type);
}
document.getElementById("removePermission").disabled = !this._permissions.length;
document.getElementById("removeAllPermissions").disabled = !this._permissions.length;
},
onAllPermissionsDeleted: function ()
{
if (!this._view.rowCount)
return;
var removedPermissions = [];
gTreeUtils.deleteAll(this._tree, this._view, this._permissions, removedPermissions);
for (var i = 0; i < removedPermissions.length; ++i) {
var p = removedPermissions[i];
this._pm.remove(p.host, p.type);
}
document.getElementById("removePermission").disabled = true;
document.getElementById("removeAllPermissions").disabled = true;
},
onPermissionKeyPress: function (aEvent)
{
if (aEvent.keyCode == 46)
this.onPermissionDeleted();
},
_lastPermissionSortColumn: "",
_lastPermissionSortAscending: false,
onPermissionSort: function (aColumn)
{
this._lastPermissionSortAscending = gTreeUtils.sort(this._tree,
this._view,
this._permissions,
aColumn,
this._lastPermissionSortColumn,
this._lastPermissionSortAscending);
this._lastPermissionSortColumn = aColumn;
},
_loadPermissions: function ()
{
this._tree = document.getElementById("permissionsTree");
this._permissions = [];
// load permissions into a table
var count = 0;
var enumerator = this._pm.enumerator;
while (enumerator.hasMoreElements()) {
var nextPermission = enumerator.getNext().QueryInterface(Components.interfaces.nsIPermission);
this._addPermissionToList(nextPermission);
}
this._view._rowCount = this._permissions.length;
// sort and display the table
this._tree.treeBoxObject.view = this._view;
this.onPermissionSort("rawHost", false);
// disable "remove all" button if there are none
document.getElementById("removeAllPermissions").disabled = this._permissions.length == 0;
},
_addPermissionToList: function (aPermission)
{
if (aPermission.type == this._type &&
(!this._manageCapability ||
(aPermission.capability == this._manageCapability))) {
var host = aPermission.host;
var capabilityString = this._getCapabilityString(aPermission.capability);
var p = new Permission(host,
(host.charAt(0) == ".") ? host.substring(1,host.length) : host,
aPermission.type,
capabilityString,
aPermission.capability);
this._permissions.push(p);
}
},
setHost: function (aHost)
{
document.getElementById("url").value = aHost;
}
};
function setHost(aHost)
{
gPermissionManager.setHost(aHost);
}
function initWithParams(aParams)
{
gPermissionManager.init(aParams);
}