1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | |
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15 | package de.ugoe.cs.autoquest.usability; |
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16 | |
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17 | import java.util.ArrayList; |
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18 | import java.util.HashMap; |
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19 | import java.util.List; |
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20 | import java.util.Map; |
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21 | |
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22 | import de.ugoe.cs.autoquest.eventcore.IEventType; |
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23 | import de.ugoe.cs.autoquest.eventcore.gui.MouseButtonInteraction; |
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24 | import de.ugoe.cs.autoquest.eventcore.gui.MouseClick; |
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25 | import de.ugoe.cs.autoquest.eventcore.gui.MouseDoubleClick; |
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26 | import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElement; |
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27 | import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIView; |
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28 | import de.ugoe.cs.autoquest.eventcore.guimodel.IImage; |
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29 | import de.ugoe.cs.autoquest.eventcore.guimodel.IText; |
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30 | import de.ugoe.cs.autoquest.tasktrees.treeifc.DefaultTaskInstanceTraversingVisitor; |
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31 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTaskInstance; |
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32 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance; |
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33 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel; |
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34 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession; |
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35 | |
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36 | /** |
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37 | * TODO comment |
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38 | * |
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39 | * @version $Revision: $ $Date: 16.07.2012$ |
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40 | * @author 2012, last modified by $Author: pharms$ |
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41 | */ |
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42 | public class MisleadingClickCueRule implements UsabilityEvaluationRule { |
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43 | |
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44 | /* |
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45 | * (non-Javadoc) |
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46 | * |
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47 | * @see de.ugoe.cs.usability.UsabilityEvaluationRule#evaluate(TaskTree) |
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48 | */ |
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49 | @Override |
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50 | public UsabilityEvaluationResult evaluate(ITaskModel taskModel) { |
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51 | UselessClickStatistics statistics = new UselessClickStatistics(); |
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52 | int allObserved = calculateStatistics(taskModel.getUserSessions(), statistics); |
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53 | |
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54 | UsabilityEvaluationResult results = new UsabilityEvaluationResult(taskModel); |
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55 | analyzeStatistics(statistics, allObserved, results); |
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56 | |
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57 | return results; |
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58 | } |
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59 | |
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60 | /** |
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61 | * |
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62 | */ |
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63 | private void analyzeStatistics(UselessClickStatistics statistics, |
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64 | int allObserved, |
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65 | UsabilityEvaluationResult results) |
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66 | { |
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67 | for (Map.Entry<IGUIView, Map<IGUIElement, Integer>> uselessClickCounter : |
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68 | statistics.getUselessClickCounters().entrySet()) |
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69 | { |
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70 | for (Map.Entry<IGUIElement, Integer> counter : uselessClickCounter.getValue().entrySet()) |
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71 | { |
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72 | int uselessClicks = counter.getValue(); |
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73 | int noOfViewDisplays = statistics.getViewOpenedCount(uselessClickCounter.getKey()); |
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74 | |
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75 | int ratio = Math.min(1000, 1000 * uselessClicks / noOfViewDisplays); |
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76 | |
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77 | UsabilitySmellIntensity intensity = |
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78 | UsabilitySmellIntensity.getIntensity(ratio, uselessClicks, -1); |
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79 | |
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80 | if (intensity != null) { |
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81 | Map<String, Object> parameters = new HashMap<String, Object>(); |
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82 | parameters.put("noOfViewDisplays", noOfViewDisplays); |
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83 | parameters.put("uselessClicks", uselessClicks); |
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84 | parameters.put("element", counter.getKey()); |
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85 | parameters.put("view", uselessClickCounter.getKey()); |
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86 | |
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87 | results.addSmell |
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88 | (intensity, UsabilitySmellDescription.MISLEADING_CLICK_CUE, parameters); |
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89 | } |
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90 | } |
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91 | } |
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92 | } |
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93 | |
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94 | |
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95 | /** |
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96 | * |
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97 | */ |
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98 | private int calculateStatistics(List<IUserSession> sessions, |
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99 | final UselessClickStatistics statistics) |
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100 | { |
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101 | final List<IEventTaskInstance> leafNodes = new ArrayList<>(); |
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102 | final IGUIView[] currentView = new IGUIView[1]; |
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103 | |
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104 | for (IUserSession session : sessions) { |
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105 | currentView[0] = null; |
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106 | |
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107 | for (final ITaskInstance currentRoot : session) { |
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108 | currentRoot.accept(new DefaultTaskInstanceTraversingVisitor() { |
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109 | @Override |
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110 | public void visit(IEventTaskInstance eventTaskInstance) { |
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111 | leafNodes.add(eventTaskInstance); |
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112 | |
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113 | if (eventTaskInstance.getEvent().getTarget() instanceof IGUIElement) { |
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114 | IGUIView view = |
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115 | ((IGUIElement) eventTaskInstance.getEvent().getTarget()).getView(); |
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116 | |
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117 | if (((currentView[0] == null) && (view != null)) || |
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118 | ((currentView[0] != null) && (!currentView[0].equals(view)))) |
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119 | { |
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120 | currentView[0] = view; |
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121 | statistics.addViewOpened(view); |
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122 | } |
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123 | |
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124 | if (isUselessMouseClick(eventTaskInstance)) { |
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125 | statistics.addUselessClick(eventTaskInstance); |
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126 | } |
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127 | } |
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128 | } |
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129 | }); |
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130 | } |
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131 | } |
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132 | |
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133 | return leafNodes.size(); |
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134 | } |
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135 | |
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136 | /** |
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137 | * |
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138 | */ |
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139 | private boolean isUselessMouseClick(IEventTaskInstance eventTaskInstance) { |
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140 | IEventType type = eventTaskInstance.getEvent().getType(); |
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141 | |
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142 | if ((!(type instanceof MouseClick)) && (!(type instanceof MouseDoubleClick))) { |
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143 | return false; |
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144 | } |
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145 | |
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146 | if (((MouseButtonInteraction) type).getButton() != MouseButtonInteraction.Button.LEFT) { |
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147 | return false; |
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148 | } |
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149 | |
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150 | IGUIElement target = (IGUIElement) eventTaskInstance.getEvent().getTarget(); |
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151 | |
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152 | if ((target instanceof IImage) /*|| (target instanceof IPanel) || |
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153 | (target instanceof IProgressBar) || (target instanceof IScrollPane) || |
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154 | (target instanceof IShape) || (target instanceof ITable)*/ || |
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155 | (target instanceof IText)) |
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156 | { |
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157 | return true; |
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158 | } |
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159 | else { |
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160 | return false; |
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161 | } |
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162 | } |
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163 | |
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164 | /** |
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165 | * |
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166 | */ |
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167 | private class UselessClickStatistics { |
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168 | |
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169 | /** */ |
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170 | private Map<IGUIView, Integer> viewOpenedCounters = new HashMap<>(); |
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171 | |
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172 | /** */ |
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173 | private Map<IGUIView, Map<IGUIElement, Integer>> uselessClickCounters = new HashMap<>(); |
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174 | |
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175 | /** |
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176 | * <p> |
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177 | * TODO: comment |
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178 | * </p> |
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179 | * |
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180 | * @param view |
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181 | */ |
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182 | private void addViewOpened(IGUIView view) { |
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183 | Integer counter = viewOpenedCounters.get(view); |
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184 | |
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185 | if (counter == null) { |
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186 | viewOpenedCounters.put(view, 1); |
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187 | } |
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188 | else { |
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189 | viewOpenedCounters.put(view, counter + 1); |
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190 | } |
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191 | } |
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192 | |
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193 | /** |
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194 | * <p> |
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195 | * TODO: comment |
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196 | * </p> |
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197 | * |
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198 | * @param eventTaskInstance |
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199 | */ |
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200 | private void addUselessClick(IEventTaskInstance eventTaskInstance) { |
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201 | Map<IGUIElement, Integer> counterMap = uselessClickCounters.get |
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202 | (((IGUIElement) eventTaskInstance.getEvent().getTarget()).getView()); |
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203 | |
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204 | if (counterMap == null) { |
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205 | counterMap = new HashMap<>(); |
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206 | uselessClickCounters.put |
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207 | (((IGUIElement) eventTaskInstance.getEvent().getTarget()).getView(), counterMap); |
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208 | } |
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209 | |
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210 | Integer counter = counterMap.get(eventTaskInstance.getEvent().getTarget()); |
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211 | |
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212 | if (counter == null) { |
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213 | counterMap.put((IGUIElement) eventTaskInstance.getEvent().getTarget(), 1); |
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214 | } |
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215 | else { |
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216 | counterMap.put((IGUIElement) eventTaskInstance.getEvent().getTarget(), counter + 1); |
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217 | } |
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218 | } |
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219 | |
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220 | /** |
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221 | * |
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222 | */ |
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223 | private Map<IGUIView, Map<IGUIElement, Integer>> getUselessClickCounters() { |
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224 | return uselessClickCounters; |
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225 | } |
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226 | |
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227 | /** |
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228 | * |
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229 | */ |
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230 | private int getViewOpenedCount(IGUIView view) { |
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231 | Integer counter = viewOpenedCounters.get(view); |
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232 | |
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233 | if (counter == null) { |
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234 | return 0; |
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235 | } |
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236 | else { |
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237 | return counter; |
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238 | } |
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239 | } |
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240 | } |
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241 | } |
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