gecko-dev/toolkit/content/findUtils.js

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JavaScript

# -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
# ***** BEGIN LICENSE BLOCK *****
# Version: NPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Netscape 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/NPL/
#
# 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.
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# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 1998
# the Initial Developer. All Rights Reserved.
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# Contributor(s):
# Simon Fraser <sfraser@netscape.com>
# Dean Tessman <dean_tessman@hotmail.com>
#
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# 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"),
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# the provisions above, a recipient may use your version of this file under
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# ***** END LICENSE BLOCK ***** */
var gPromptService;
var gFindBundle;
function nsFindInstData() {}
nsFindInstData.prototype =
{
// set the next three attributes on your object to override the defaults
browser : null,
get rootSearchWindow() { return this._root || this.window.content; },
set rootSearchWindow(val) { this._root = val; },
get currentSearchWindow() {
if (this._current)
return this._current;
var focusedWindow = this.window.document.commandDispatcher.focusedWindow;
if (!focusedWindow || focusedWindow == this.window)
focusedWindow = this.window.content;
return focusedWindow;
},
set currentSearchWindow(val) { this._current = val; },
get webBrowserFind() { return this.browser.webBrowserFind; },
init : function() {
var findInst = this.webBrowserFind;
// set up the find to search the focussedWindow, bounded by the content window.
var findInFrames = findInst.QueryInterface(Components.interfaces.nsIWebBrowserFindInFrames);
findInFrames.rootSearchFrame = this.rootSearchWindow;
findInFrames.currentSearchFrame = this.currentSearchWindow;
// always search in frames for now. We could add a checkbox to the dialog for this.
findInst.searchFrames = true;
},
window : window,
_root : null,
_current : null
}
// browser is the <browser> element
// rootSearchWindow is the window to constrain the search to (normally window._content)
// currentSearchWindow is the frame to start searching (can be, and normally, rootSearchWindow)
function findInPage(findInstData)
{
// is the dialog up already?
if ("findDialog" in window && window.findDialog)
window.findDialog.focus();
else
{
findInstData.init();
window.findDialog = window.openDialog("chrome://global/content/finddialog.xul", "_blank", "chrome,resizable=no,dependent=yes", findInstData);
}
}
function findAgainInPage(findInstData, reverse)
{
if ("findDialog" in window && window.findDialog)
window.findDialog.focus();
else
{
// get the find service, which stores global find state, and init the
// nsIWebBrowser find with it. We don't assume that there was a previous
// Find that set this up.
var findService = Components.classes["@mozilla.org/find/find_service;1"]
.getService(Components.interfaces.nsIFindService);
var searchString = findService.searchString;
if (searchString.length == 0) {
// no previous find text
findInPage(findInstData);
return;
}
findInstData.init();
var findInst = findInstData.webBrowserFind;
findInst.searchString = searchString;
findInst.matchCase = findService.matchCase;
findInst.wrapFind = findService.wrapFind;
findInst.entireWord = findService.entireWord;
findInst.findBackwards = findService.findBackwards ^ reverse;
var found = findInst.findNext();
if (!found) {
if (!gPromptService)
gPromptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService()
.QueryInterface(Components.interfaces.nsIPromptService);
if (!gFindBundle)
gFindBundle = document.getElementById("findBundle");
gPromptService.alert(window, gFindBundle.getString("notFoundTitle"), gFindBundle.getString("notFoundWarning"));
}
// Reset to normal value, otherwise setting can get changed in find dialog
findInst.findBackwards = findService.findBackwards;
}
}
function canFindAgainInPage()
{
var findService = Components.classes["@mozilla.org/find/find_service;1"]
.getService(Components.interfaces.nsIFindService);
return (findService.searchString.length > 0);
}