gecko-dev/toolkit/content/findUtils.js

107 строки
3.7 KiB
JavaScript

// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
/* 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/. */
Components.utils.import("resource://gre/modules/Services.jsm");
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() {
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,
_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 (!gFindBundle)
gFindBundle = document.getElementById("findBundle");
Services.prompt.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);
}