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Side by Side Diff: experimental/webgtt/javascript/naclmodule.js

Issue 10928195: First round of dead file removal (Closed) Base URL: https://github.com/samclegg/nativeclient-sdk.git@master
Patch Set: Created 8 years, 3 months ago
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1 // Copyright (c) 2011 The Native Client Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be found
3 // in the LICENSE file.
4
5 /**
6 * @fileoverview This file contains the JavaScript required for the WebGTT
7 * application, specifically, the implementation of the NaClModule class. This
8 * implementation provides functions for manipulating a NaCl module, and
9 * adding/managing event handlers for a NaCl module.
10 *
11 * @author ragad@google.com (Raga Gopalakrishnan)
12 */
13
14 /**
15 * This constant holds the color palette used to color the vertices.
16 * @type {object}
17 * @const
18 */
19 var COLOR_PALETTE = [
20 'red',
21 'blue',
22 'green',
23 'yellow',
24 'orange',
25 'magenta',
26 'chocolate',
27 'black',
28 'greenyellow',
29 'grey',
30 'pink',
31 'yellowgreen'
32 ];
33
34 /**
35 * This class is used to represent a NaCl module.
36 *
37 * @param {object} naclModule Handle to the DOM object representing the NaCl
38 * module.
39 * @param {object} graph1 Reference to the graph associated with the NaCl
40 * module.
41 * @constructor
42 */
43 NaClModule = function (naclModule, graph1) {
44 this.naclModule = naclModule;
45 this.graph1 = graph1;
46 coloringButton1.setText(BUTTON_TEXT);
47 if (canvas1.graph1.listOfVertices.length > 0) {
48 coloringButton1.setDisabled(false);
49 }
50 };
51
52 /**
53 * This function invokes the postMessage function on the NaCl module.
54 *
55 * @param {string} message The argument for postMessage.
56 */
57 NaClModule.prototype.postMessage = function (message) {
58 this.naclModule.postMessage(message);
59 };
60
61 /**
62 * This function handles the 'message' event on the NaCl module.
63 *
64 * This handler is fired when the NaCl module posts a message to the browser.
65 * Here, we color the graph according to the coloring that is received from the
66 * NaCl module.
67 *
68 * @param {object} messageEvent The Event object containing information about
69 * the 'message' event.
70 */
71 NaClModule.prototype.handleMessage = function (messageEvent) {
72 var tempString = '';
73 var vertexIndex = 0;
74
75 for (var i = 0 ; i < messageEvent.data.length ; i++) {
76 if(messageEvent.data[i] != ',') {
77 tempString += messageEvent.data[i];
78 continue;
79 }
80 this.graph1.listOfVertices[vertexIndex].setColor(COLOR_PALETTE[parseInt(
81 tempString)]);
82 tempString = '';
83 vertexIndex ++;
84 }
85 this.graph1.listOfVertices[vertexIndex].setColor(COLOR_PALETTE[parseInt(
86 tempString)]);
87
88 canvas1.redrawCanvas();
89 alert('A coloring is displayed!');
90
91 for (var i = 0 ; i < ((messageEvent.data.length)+1)/2 ; i++) {
92 this.graph1.listOfVertices[i].setColor('black');
93 }
94
95 canvas1.redrawCanvas();
96
97 canvas1.setEditMode(true);
98 coloringButton1.setDisabled(false);
99 coloringButton1.setText(BUTTON_TEXT);
100 };
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