pjs/suite/browser/navigatorDD.js

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JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 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.
*
* Contributor(s):
* - Kevin Puetz (puetzk@iastate.edu)
* - Ben Goodger <ben@netscape.com>
* - Blake Ross <blaker@netscape.com>
* - Pierre Chanial <pierrechanial@netscape.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
function _RDF(aType)
{
return "http://www.w3.org/1999/02/22-rdf-syntax-ns#" + aType;
}
function NC_RDF(aType)
{
return "http://home.netscape.com/NC-rdf#" + aType;
}
var RDFUtils = {
getResource: function(aString)
{
return this.rdf.GetResource(aString, true);
},
getTarget: function(aDS, aSourceID, aPropertyID)
{
var source = this.getResource(aSourceID);
var property = this.getResource(aPropertyID);
return aDS.GetTarget(source, property, true);
},
getValueFromResource: function(aResource)
{
aResource = aResource.QueryInterface(Components.interfaces.nsIRDFResource);
return aResource ? aResource.Value : null;
},
_rdf: null,
get rdf() {
if (!this._rdf) {
this._rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"]
.getService(Components.interfaces.nsIRDFService);
}
return this._rdf;
}
}
var proxyIconDNDObserver = {
onDragStart: function (aEvent, aXferData, aDragAction)
{
var urlBar = document.getElementById("urlbar");
// XXX - do we want to allow the user to set a blank page to their homepage?
// if so then we want to modify this a little to set about:blank as
// the homepage in the event of an empty urlbar.
if (!urlBar.value) return;
var urlString = urlBar.value + "\n" + window.content.document.title;
var htmlString = "<a href=\"" + urlBar.value + "\">" + urlBar.value + "</a>";
aXferData.data = new TransferData();
aXferData.data.addDataForFlavour("text/x-moz-url", urlString);
aXferData.data.addDataForFlavour("text/unicode", urlBar.value);
aXferData.data.addDataForFlavour("text/html", htmlString);
}
}
var homeButtonObserver = {
onDragStart: function (aEvent, aXferData, aDragAction)
{
var homepage = nsPreferences.getLocalizedUnicharPref("browser.startup.homepage", "about:blank");
if (homepage)
{
// XXX find a readable title string for homepage, perhaps do a history lookup.
var htmlString = "<a href=\"" + homepage + "\">" + homepage + "</a>";
aXferData.data = new TransferData();
aXferData.data.addDataForFlavour("text/x-moz-url", homepage + "\n" + homepage);
aXferData.data.addDataForFlavour("text/html", htmlString);
aXferData.data.addDataForFlavour("text/unicode", homepage);
}
},
onDrop: function (aEvent, aXferData, aDragSession)
{
var url = transferUtils.retrieveURLFromData(aXferData.data, aXferData.flavour.contentType);
setTimeout(openHomeDialog, 0, url);
},
onDragOver: function (aEvent, aFlavour, aDragSession)
{
var statusTextFld = document.getElementById("statusbar-display");
statusTextFld.label = gNavigatorBundle.getString("droponhomebutton");
aDragSession.dragAction = Components.interfaces.nsIDragService.DRAGDROP_ACTION_LINK;
},
onDragExit: function (aEvent, aDragSession)
{
var statusTextFld = document.getElementById("statusbar-display");
statusTextFld.label = "";
},
getSupportedFlavours: function ()
{
var flavourSet = new FlavourSet();
flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
flavourSet.appendFlavour("text/x-moz-url");
flavourSet.appendFlavour("text/unicode");
return flavourSet;
}
}
function openHomeDialog(aURL)
{
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService(Components.interfaces.nsIPromptService);
var promptTitle = gNavigatorBundle.getString("droponhometitle");
var promptMsg = gNavigatorBundle.getString("droponhomemsg");
var okButton = gNavigatorBundle.getString("droponhomeokbutton");
var pressedVal = promptService.confirmEx(window, promptTitle, promptMsg,
(promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_0) +
(promptService.BUTTON_TITLE_CANCEL * promptService.BUTTON_POS_1),
okButton, null, null, null, {value:0});
if (pressedVal == 0) {
nsPreferences.setUnicharPref("browser.startup.homepage", aURL);
}
}
var goButtonObserver = {
onDragOver: function(aEvent, aFlavour, aDragSession)
{
aEvent.target.setAttribute("dragover", "true");
return true;
},
onDragExit: function (aEvent, aDragSession)
{
aEvent.target.removeAttribute("dragover");
},
onDrop: function (aEvent, aXferData, aDragSession)
{
var xferData = aXferData.data.split("\n");
var uri = xferData[0] ? xferData[0] : xferData[1];
if (uri)
{
// Perform a security check before loading the URI
nsDragAndDrop.dragDropSecurityCheck(aEvent, aDragSession, uri);
loadURI(uri);
}
},
getSupportedFlavours: function ()
{
var flavourSet = new FlavourSet();
flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
flavourSet.appendFlavour("text/x-moz-url");
flavourSet.appendFlavour("text/unicode");
return flavourSet;
}
}
var searchButtonObserver = {
onDragOver: function(aEvent, aFlavour, aDragSession)
{
aEvent.target.setAttribute("dragover", "true");
return true;
},
onDragExit: function (aEvent, aDragSession)
{
aEvent.target.removeAttribute("dragover");
},
onDrop: function (aEvent, aXferData, aDragSession)
{
var xferData = aXferData.data.split("\n");
var uri = xferData[1] ? xferData[1] : xferData[0];
if (uri)
OpenSearch('internet', uri);
},
getSupportedFlavours: function ()
{
var flavourSet = new FlavourSet();
flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
flavourSet.appendFlavour("text/x-moz-url");
flavourSet.appendFlavour("text/unicode");
return flavourSet;
}
}