home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World 2007 March
/
PCWorld_2007-03_cd.bin
/
komunikace
/
nvu
/
nvu-1.0-cs-CZ.win32.installer.exe
/
chrome
/
comm.jar
/
content
/
wallet
/
walletOverlay.js
< prev
next >
Wrap
Text File
|
2003-09-25
|
14KB
|
369 lines
/* -*- Mode: Java; tab-width: 4; c-basic-offset: 4; -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*
* Contributor(s):
*/
var gIsEncrypted = -1;
var gWalletService = -1;
// states that the capture and prefill menu items can be in
const hide = -1; // don't show menu item
const disable = 0; // show menu item but gray it out
const enable = 1; // show menu item normally
// Set the disabled attribute of specified item.
// If the value is false, then it removes the attribute
function setDisabledAttr(id, val) {
var elem = document.getElementById(id);
if (elem) {
if (val) {
elem.setAttribute("disabled", val);
} else {
elem.removeAttribute("disabled");
}
}
}
// Show/hide one item (specified via name or the item element itself).
function showItem(itemOrId, show) {
var item = null;
if (itemOrId.constructor == String) {
// Argument specifies item id.
item = document.getElementById(itemOrId);
} else {
// Argument is the item itself.
item = itemOrId;
}
if (item) {
var styleIn = item.getAttribute("style");
var styleOut = styleIn;
if (show) {
// Remove style="display:none;".
styleOut = styleOut.replace("display:none;", "");
} else {
// Set style="display:none;".
if (styleOut.indexOf("display:none;") == -1) {
// Add style the first time we need to.
styleOut += "display:none;";
}
}
// Only set style if it's different.
if (styleIn != styleOut) {
item.setAttribute("style", styleOut);
}
}
}
/* form toolbar is out
var firstTime = true;
function initToolbarItems() {
// This routine determines whether or not to display the form-manager toolbar and,
// if so, which buttons on the toolbar are to be enabled. We need to reexecute
// this routine whenever the form-manager dialog finishes because saved values might
// have been added/removed which could affect the enable/disable state of the buttons.
if (firstTime) {
// Force initToolbarItems to be executed upon return from viewing prefs.
// This is necessary in case the form-manager dialog was invoked from the
// pref panel. See next block of code for more details.
var pref = document.getElementById("menu_preferences");
if (pref) {
oncommand = pref.getAttribute("oncommand");
pref.setAttribute("oncommand", oncommand+";initToolbarItems()");
firstTime = false;
}
}
// get the form-manager toolbar
var cmd_viewformToolbar = document.getElementById("cmd_viewformtoolbar");
if (!cmd_viewformToolbar) {
// This happens when you access the form-manager dialog from the prefs panel
// Not sure yet how to get access to items in navigator in that case
// So instead we will execute initToolbarItems when edit->prefs returns (that's
// what above block of code involving firstTime accomplished.
return;
}
// keep form toolbar hidden if checkbox in view menu so indicates
var checkValue = cmd_viewformToolbar.getAttribute("checked");
if (checkValue == "false") {
showItem("formToolbar", false);
return;
}
// hide form toolbar if three or less text elements in form
var state = getState(3);
showItem("formToolbar", (state.prefill != hide));
// enable prefill button if there is at least one saved value for the form
setDisabledAttr("formPrefill", (state.prefill == disable));
}
*/
function formShow() {
window.openDialog(
"chrome://communicator/content/wallet/WalletViewer.xul",
"_blank",
"chrome,titlebar,resizable=yes");
/* form toolbar is out
initToolbarItems(); // need to redetermine which buttons in form toolbar to enable
*/
}
// Capture the values that are filled in on the form being displayed.
function formCapture() {
var walletService = Components.classes["@mozilla.org/wallet/wallet-service;1"].getService(Components.interfaces.nsIWalletService);
walletService.WALLET_RequestToCapture(window._content);
}
// Prefill the form being displayed.
function formPrefill() {
var walletService = Components.classes["@mozilla.org/wallet/wallet-service;1"].getService(Components.interfaces.nsIWalletService);
try {
walletService.WALLET_Prefill(false, window._content);
window.openDialog("chrome://communicator/content/wallet/WalletPreview.xul",
"_blank", "chrome,modal=yes,dialog=yes,all, width=504, height=436");
} catch(e) {
}
}
/*
// Prefill the form being displayed without bringing up the preview window.
function formQuickPrefill() {
gWalletService.WALLET_Prefill(true, window._content);
}
*/
var elementCount;
// Walk through the DOM to determine how a capture or prefill item is to appear.
// returned value:
// hide, disable, enable for .capture and .prefill
function getStateFromFormsArray(content, threshhold) {
var formsArray = content.document.forms;
if (!formsArray) {
return {capture: hide, prefill: hide};
}
var form;
var bestState = {capture: hide, prefill: hide};
for (form=0; form<formsArray.length; form++) {
var elementsArray = formsArray[form].elements;
var element;
for (element=0; element<elementsArray.length; element++) {
var type = elementsArray[element].type;
if ((type=="") || (type=="text") || (type=="select-one")) {
// we have a form with at least one text or select element
if (type != "select-one") {
elementCount++;
}
/* If database is encrypted and user has not yet supplied master password,
* we won't be able to access the data. In that case, enable the item rather
* than asking user for password at this time. Otherwise you'll be asking for
* the password whenever user clicks on edit menu or context menu
*/
try {
if (gIsEncrypted == -1)
gIsEncrypted = this.pref.getBoolPref("wallet.crypto");
if (gIsEncrypted) {
// database is encrypted, see if it is still locked
// if (locked) { -- there's currently no way to make such a test
// it's encrypted and locked, we lose
elementCount = threshhold+1;
return {capture: enable, prefill: enable};
// }
}
} catch(e) {
// there is no crypto pref so database could not possible be encrypted
}
// since we know there is at least one text or select element, we can unhide
// the menu items. That means doing nothing if state is already "enable" but
// changing state to "disable" if it is currently "hide".
for (var j in bestState) {
if (bestState[j] == hide) {
bestState[j] = disable;
}
}
var value;
// obtain saved values if any and store in array called valueList
var valueList;
var valueSequence = gWalletService.WALLET_PrefillOneElement
(content, elementsArray[element]);
// result is a linear sequence of values, each preceded by a separator character
// convert linear sequence of values into an array of values
if (valueSequence) {
var separator = valueSequence[0];
valueList = valueSequence.substring(1, valueSequence.length).split(separator);
}
// in capture case, see if element has a value on the screen which is not saved
value = elementsArray[element].value;
if (valueSequence && value) {
for (var i=0; i<valueList.length; i++) {
if (value == valueList[i]) {
value = null;
break;
}
}
}
if (value) {
// at least one text (or select) element has a value,
// in which case the capture item is to appear in menu
bestState.capture = enable;
}
// in prefill case, see if element has a saved value
if (valueSequence) {
value = valueList[0];
if (value) {
// at least one text (or select) element has a value,
// in which case the prefill item is to appear in menu
bestState.prefill = enable;
}
}
// see if we've gone far enough
if ((bestState.capture == enable) && (bestState.prefill == enable) &&
(elementCount > threshhold)) {
return bestState;
}
}
}
}
// if we got here, then there was no element with a value or too few elements
return bestState;
}
var bestState;
function stateFoundInFormsArray(content, threshhold) {
var rv = {capture: false, prefill: false};
var state = getStateFromFormsArray(content, threshhold);
for (var i in state) {
if (state[i] == enable) {
bestState[i] = enable;
if (elementCount > threshhold) {
rv[i] = true;
}
} else if (state[i] == disable && bestState[i] == hide) {
bestState[i] = disable;
}
}
return rv;
}
// Walk through the DOM to determine how capture or prefill item is to appear.
// returned value:
// hide, disable, enable for .capture and .prefill
function getState(threshhold) {
bestState = {capture: hide, prefill: hide};
elementCount = 0;
stateFound(window.content, threshhold);
return bestState;
}
function stateFound(content, threshhold) {
var captureStateFound = false;
var prefillStateFound = false;
if (!content || !content.document) {
return {capture: false, prefill: false};
}
var document = content.document;
if (!("forms" in document)) {
// this will occur if document is xul document instead of html document for example
return {capture: false, prefill: false};
}
// test for wallet service being available
if (gWalletService == -1)
gWalletService = Components.classes["@mozilla.org/wallet/wallet-service;1"]
.getService(Components.interfaces.nsIWalletService);
if (!gWalletService) {
return {capture: true, prefill: true};
}
// process frames if any
var framesArray = content.frames;
var rv;
if (framesArray.length != 0) {
var frame;
for (frame=0; frame<framesArray.length; ++frame) {
// recursively process each frame for additional documents
rv = stateFound(framesArray[frame], threshhold);
captureStateFound |= rv.capture; prefillStateFound |= rv.prefill;
if (captureStateFound && prefillStateFound) {
return {capture: true, prefill: true};
}
// process the document of this frame
var frameContent = framesArray[frame];
if (frameContent.document) {
rv = stateFoundInFormsArray(frameContent, threshhold);
captureStateFound |= rv.capture; prefillStateFound |= rv.prefill;
if (captureStateFound && prefillStateFound) {
gIsEncrypted = -1;
return {capture: true, prefill: true};
}
}
}
}
// process top-level document
gIsEncrypted = -1;
rv = stateFoundInFormsArray(content, threshhold);
captureStateFound |= rv.capture; prefillStateFound |= rv.prefill;
if (captureStateFound && prefillStateFound) {
return {capture: true, prefill: true};
}
// if we got here, then there was no text (or select) element with a value
// or there were too few text (or select) elements
if (elementCount > threshhold) {
// no text (or select) element with a value
return rv;
}
// too few text (or select) elements
bestState = {capture: hide, prefill: hide};
return rv;
}
// display a Wallet Dialog
function WalletDialog(which) {
switch( which ) {
case "walletsites":
window.openDialog("chrome://communicator/content/wallet/SignonViewer.xul",
"_blank","chrome,resizable","W");
break;
case "wallet":
default:
formShow();
break;
}
}