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/**
* @license
* Copyright (C) 2012 KO GmbH <copyright@kogmbh.com>
*
* @licstart
* The JavaScript code in this page is free software: you can redistribute it
* and/or modify it under the terms of the GNU Affero General Public License
* (GNU AGPL) as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. The code is distributed
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU AGPL for more details.
*
* As additional permission under GNU AGPL version 3 section 7, you
* may distribute non-source (e.g., minimized or compacted) forms of
* that code without the copy of the GNU GPL normally required by
* section 4, provided you include this license notice and a URL
* through which recipients can access the Corresponding Source.
*
* As a special exception to the AGPL, any HTML file which merely makes function
* calls to this code, and for that purpose includes it by reference shall be
* deemed a separate work for copyright law purposes. In addition, the copyright
* holders of this code give you permission to combine this code with free
* software libraries that are released under the GNU LGPL. You may copy and
* distribute such a system following the terms of the GNU AGPL for this code
* and the LGPL for the libraries. If you modify this code, you may extend this
* exception to your version of the code, but you are not obligated to do so.
* If you do not wish to do so, delete this exception statement from your
* version.
*
* This license applies to this entire compilation.
* @licend
* @source: http://www.webodf.org/
* @source: http://gitorious.org/webodf/webodf/
*/
/*global runtime, document, odf, console*/
function ODFViewerPlugin() {
"use strict";
function init(callback) {
var lib = document.createElement('script');
lib.async = false;
lib.src = './webodf.js';
lib.type = 'text/javascript';
lib.onload = function () {
runtime.currentDirectory = function () {
return "../../webodf/lib";
};
runtime.libraryPaths = function () {
return [ runtime.currentDirectory() ];
};
runtime.loadClass('odf.OdfCanvas');
callback();
};
document.getElementsByTagName('head')[0].appendChild(lib);
}
// that should probably be provided by webodf
function nsResolver(prefix) {
var ns = {
'draw' : "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
'presentation' : "urn:oasis:names:tc:opendocument:xmlns:presentation:1.0",
'text' : "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
'office' : "urn:oasis:names:tc:opendocument:xmlns:office:1.0"
};
return ns[prefix] || console.log('prefix [' + prefix + '] unknown.');
}
var self = this,
odfCanvas = null,
odfElement = null,
initialized = false,
root = null,
documentType = null,
pages = [],
currentPage = null;
this.initialize = function (viewerElement, documentUrl) {
// If the URL has a fragment (#...), try to load the file it represents
init(function () {
odfElement = document.getElementById('canvas');
odfCanvas = new odf.OdfCanvas(odfElement);
odfCanvas.load(documentUrl);
odfCanvas.addListener('statereadychange', function () {
root = odfCanvas.odfContainer().rootElement;
initialized = true;
documentType = odfCanvas.odfContainer().getDocumentType(root);
if (documentType === 'text') {
odfCanvas.enableAnnotations(true);
}
self.onLoad();
});
});
};
this.isSlideshow = function () {
return documentType === 'presentation';
};
this.onLoad = function () {};
this.getWidth = function () {
return odfElement.clientWidth;
};
this.getHeight = function () {
return odfElement.clientHeight;
};
this.fitToWidth = function (width) {
odfCanvas.fitToWidth(width);
};
this.fitToHeight = function (height) {
odfCanvas.fitToHeight(height);
};
this.fitToPage = function (width, height) {
odfCanvas.fitToContainingElement(width, height);
};
this.fitSmart = function (width) {
odfCanvas.fitSmart(width);
};
this.getZoomLevel = function () {
return odfCanvas.getZoomLevel();
};
this.setZoomLevel = function (value) {
odfCanvas.setZoomLevel(value);
};
// return a list of tuples (pagename, pagenode)
this.getPages = function () {
var pageNodes = Array.prototype.slice.call(root.getElementsByTagNameNS(nsResolver('draw'), 'page')),
pages = [],
i,
tuple;
for (i = 0; i < pageNodes.length; i += 1) {
tuple = [
pageNodes[i].getAttribute('draw:name'),
pageNodes[i]
];
pages.push(tuple);
}
return pages;
};
this.showPage = function (n) {
odfCanvas.showPage(n);
};
}