[837] | 1 |
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[619] | 2 | package de.ugoe.cs.quest.plugin.mfc.guimodel;
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| 3 |
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[1] | 4 | import java.util.ArrayList;
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| 5 | import java.util.List;
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| 6 |
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[619] | 7 | import de.ugoe.cs.quest.eventcore.guimodel.IGUIElementSpec;
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[1] | 8 | import de.ugoe.cs.util.StringTools;
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| 9 |
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| 10 | /**
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| 11 | * <p>
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[619] | 12 | * This class implements a node in the {@link WindowTree} that is maintained during parsing a
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| 13 | * session.
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[1] | 14 | * </p>
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| 15 | * <p>
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[619] | 16 | * The window tree is structure that contains the hierarchy of the windows of a application as well
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| 17 | * as basic information about each window: the hwnd; its name; its resource id; its class name.
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[1] | 18 | * </p>
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| 19 | *
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| 20 | * @author Steffen Herbold
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[171] | 21 | * @version 1.0
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[1] | 22 | */
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[619] | 23 | public class MFCGUIElementSpec implements IGUIElementSpec {
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[1] | 24 |
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[619] | 25 | /**
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| 26 | * <p>
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[778] | 27 | * Id for object serialization.
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| 28 | * </p>
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| 29 | */
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| 30 | private static final long serialVersionUID = 1L;
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| 31 |
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| 32 | /**
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| 33 | * <p>
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[619] | 34 | * current name of the window
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| 35 | * </p>
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| 36 | */
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| 37 | private String name;
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[1] | 38 |
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[619] | 39 | /**
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| 40 | * <p>
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| 41 | * previous names of the window as it may have changed over time.
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| 42 | * </p>
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| 43 | */
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| 44 | private List<String> formerNames = new ArrayList<String>();
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[1] | 45 |
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[619] | 46 | /**
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| 47 | * <p>
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| 48 | * Handle of the window. Used as unique identifier during its existence.
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| 49 | * </p>
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| 50 | */
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| 51 | private long hwnd;
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[1] | 52 |
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[619] | 53 | /**
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| 54 | * <p>
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| 55 | * previous handles of the window as the window may have been destroyed and recreated
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| 56 | * </p>
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| 57 | */
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| 58 | private List<Long> formerHwnds = new ArrayList<Long>();
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[1] | 59 |
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[619] | 60 | /**
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| 61 | * <p>
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| 62 | * Resource id of the window.
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| 63 | * </p>
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| 64 | */
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| 65 | private final int resourceId;
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[1] | 66 |
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[619] | 67 | /**
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| 68 | * <p>
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| 69 | * type (class name) of the window.
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| 70 | * </p>
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| 71 | */
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| 72 | private final String type;
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[1] | 73 |
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[619] | 74 | /**
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| 75 | * <p>
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| 76 | * True, if the window is modal.
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| 77 | * </p>
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| 78 | */
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| 79 | private final boolean isModal;
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[171] | 80 |
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[619] | 81 | /**
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| 82 | * <p>
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| 83 | * Creates a new WindowTreeNode.
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| 84 | * </p>
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| 85 | * <p>
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| 86 | * The constructor is protected WindowTreeNode may only be created from the WindowTree.
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| 87 | * </p>
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| 88 | *
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| 89 | * @param hwnd
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| 90 | * hwnd of the window
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| 91 | * @param parent
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| 92 | * reference to the parent's WindowTreeNode
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| 93 | * @param name
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| 94 | * name of the window
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| 95 | * @param resourceId
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| 96 | * resource id of the window
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| 97 | * @param type
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| 98 | * type, i.e. class name of the window
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| 99 | * @param isModal
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| 100 | * modality of the window
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| 101 | */
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[837] | 102 | protected MFCGUIElementSpec(long hwnd, String name, int resourceId, String type, boolean isModal)
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[619] | 103 | {
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| 104 | this.hwnd = hwnd;
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| 105 | this.name = name;
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| 106 | this.resourceId = resourceId;
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| 107 | this.type = type;
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| 108 | this.isModal = isModal;
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| 109 | }
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[1] | 110 |
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[619] | 111 | /**
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| 112 | * <p>
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| 113 | * Returns the name of the window.
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| 114 | * </p>
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| 115 | *
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| 116 | * @return name of the window
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| 117 | */
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| 118 | public String getName() {
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| 119 | StringBuffer names = new StringBuffer();
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[837] | 120 |
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[619] | 121 | if (name != null) {
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| 122 | names.append('"');
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| 123 | names.append(name);
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| 124 | names.append('"');
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| 125 | }
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| 126 | else {
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| 127 | names.append("NOT_SET");
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| 128 | }
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[837] | 129 |
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[619] | 130 | if (formerNames.size() > 0) {
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[837] | 131 |
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[619] | 132 | names.append(" (aka ");
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[837] | 133 |
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[619] | 134 | for (int i = 0; i < formerNames.size(); i++) {
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| 135 | if (i > 0) {
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| 136 | names.append("/");
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| 137 | }
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[1] | 138 |
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[619] | 139 | names.append('"');
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| 140 | names.append(formerNames.get(i));
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| 141 | names.append('"');
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| 142 | }
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[837] | 143 |
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[619] | 144 | names.append(")");
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| 145 | }
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[837] | 146 |
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[619] | 147 | return names.toString();
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| 148 | }
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[1] | 149 |
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[619] | 150 | /**
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| 151 | * <p>
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| 152 | * Returns the hwnd of the window.
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| 153 | * </p>
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| 154 | *
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| 155 | * @return hwnd of the window
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| 156 | */
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| 157 | public long getHwnd() {
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| 158 | return hwnd;
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| 159 | }
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[1] | 160 |
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[619] | 161 | /**
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| 162 | * <p>
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| 163 | * Returns the resource id of the window.
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| 164 | * </p>
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| 165 | *
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| 166 | * @return resource id of the window
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| 167 | */
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| 168 | public int getResourceId() {
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| 169 | return resourceId;
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| 170 | }
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[1] | 171 |
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[837] | 172 | /*
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| 173 | * (non-Javadoc)
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| 174 | *
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[619] | 175 | * @see de.ugoe.cs.quest.eventcore.guimodel.IGUIElementSpec#getType()
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| 176 | */
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| 177 | @Override
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| 178 | public String getType() {
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| 179 | return type;
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| 180 | }
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[1] | 181 |
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[619] | 182 | /**
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| 183 | * <p>
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[837] | 184 | * Returns the modality of the specified GUI element.
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[619] | 185 | * </p>
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[837] | 186 | *
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| 187 | * @return the modality
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[619] | 188 | */
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| 189 | public boolean isModal() {
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| 190 | return isModal;
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| 191 | }
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[1] | 192 |
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[619] | 193 | /**
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| 194 | * <p>
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| 195 | * Sets the name of the window.
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| 196 | * </p>
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| 197 | *
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| 198 | * @param text
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| 199 | * new name of the window
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| 200 | */
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| 201 | public void setName(String newName) {
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[837] | 202 | if ((this.name != null) && (!this.name.equals(newName)) &&
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[619] | 203 | (!this.formerNames.contains(this.name)))
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| 204 | {
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| 205 | this.formerNames.add(this.name);
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| 206 | }
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[837] | 207 |
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[619] | 208 | this.name = newName;
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| 209 | }
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[1] | 210 |
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[619] | 211 | /**
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| 212 | * <p>
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| 213 | * Sets the hwnd of the window.
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| 214 | * </p>
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| 215 | *
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| 216 | * @param text
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| 217 | * new name of the window
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| 218 | */
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| 219 | public void setHwnd(long newHwnd) {
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| 220 | if (!this.formerHwnds.contains(this.hwnd)) {
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| 221 | this.formerHwnds.add(this.hwnd);
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| 222 | }
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[837] | 223 |
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[619] | 224 | this.hwnd = newHwnd;
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| 225 | }
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[1] | 226 |
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[837] | 227 | /*
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| 228 | * (non-Javadoc)
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| 229 | *
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| 230 | * @see
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| 231 | * de.ugoe.cs.quest.eventcore.guimodel.IGUIElementSpec#getSimilarity(de.ugoe.cs.quest.eventcore
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| 232 | * .guimodel.IGUIElementSpec)
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[619] | 233 | */
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| 234 | @Override
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| 235 | public boolean getSimilarity(IGUIElementSpec other) {
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[837] | 236 |
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[619] | 237 | if (this == other) {
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| 238 | return true;
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| 239 | }
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[837] | 240 |
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[619] | 241 | if (!(other instanceof MFCGUIElementSpec)) {
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| 242 | return false;
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| 243 | }
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[837] | 244 |
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[619] | 245 | MFCGUIElementSpec otherSpec = (MFCGUIElementSpec) other;
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[1] | 246 |
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[619] | 247 | if ((type != otherSpec.type) && ((type != null) && (!type.equals(otherSpec.type)))) {
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| 248 | return false;
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| 249 | }
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[1] | 250 |
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[619] | 251 | if (isModal != otherSpec.isModal) {
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| 252 | return false;
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| 253 | }
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[1] | 254 |
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[619] | 255 | if (resourceId != otherSpec.resourceId) {
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| 256 | return false;
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| 257 | }
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[171] | 258 |
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[619] | 259 | // up to now, we compared, if the basics match. Now lets compare the id and the
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| 260 | // name. Both may change. The name may be reset (e.g. the title of a frame using the
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| 261 | // asterisk in the case data was changed). The id may change if e.g. a dialog is closed
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| 262 | // and reopend, i.e. a new instance is created. If one of them stays the same, then
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| 263 | // similarity is given. Therefore these are the first two comparisons
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[837] | 264 |
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[619] | 265 | if (hwnd == otherSpec.hwnd) {
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| 266 | return true;
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| 267 | }
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[837] | 268 |
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[619] | 269 | if ((name != null) && (name.equals(otherSpec.name))) {
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| 270 | return true;
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| 271 | }
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[837] | 272 |
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| 273 | if ((((name == null) && (otherSpec.name == null)) || (("".equals(name)) && (""
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| 274 | .equals(otherSpec.name)))) &&
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| 275 | (formerNames.size() == 0) &&
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| 276 | (otherSpec.formerNames.size() == 0))
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[619] | 277 | {
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| 278 | return true;
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| 279 | }
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[837] | 280 |
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[619] | 281 | // if the hwnd and the name did not stay the same, then the name should be checked first.
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[715] | 282 | // The current name of one of the specs must be contained in the former names of the
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[619] | 283 | // respective other spec for similarity. Either of the specs should contain the name of the
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| 284 | // respective other spec in its former names. We can rely on this, as in the MFC context
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| 285 | // we get to know each name change. I.e. although currently the names of the specs differ,
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| 286 | // once they were identical. But it is sufficient to do it for the current names of the
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| 287 | // elements, as only one of them may have experienced more name changes then the other.
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[1] | 288 |
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[715] | 289 | if ((otherSpec.name != null) && formerNames.contains(otherSpec.name)) {
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[619] | 290 | return true;
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| 291 | }
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| 292 |
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| 293 | if ((name != null) && otherSpec.formerNames.contains(name)) {
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| 294 | return true;
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| 295 | }
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[837] | 296 |
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[715] | 297 | // ok. Even the names do not match. This is usually a clear indication, that the elements
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[619] | 298 | // are distinct. However, we check, if the former handles matched. This is very unlikely
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| 299 | // to happen. But it may occur, if a GUI element does not have a name or its name stays
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| 300 | // the empty string and if this GUI element is created, destroyed, and created again.
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| 301 |
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| 302 | if (formerHwnds.contains(otherSpec.hwnd) || otherSpec.formerHwnds.contains(hwnd)) {
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| 303 | return true;
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| 304 | }
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| 305 |
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| 306 | // now we can be really sure, that the GUI elements differ
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[837] | 307 |
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[619] | 308 | return false;
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| 309 | }
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| 310 |
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[837] | 311 | /*
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| 312 | * (non-Javadoc)
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| 313 | *
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[619] | 314 | * @see de.ugoe.cs.quest.eventcore.guimodel.IGUIElementSpec#equals(IGUIElementSpec)
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| 315 | */
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| 316 | @Override
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[832] | 317 | public boolean equals(Object other) {
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[837] | 318 |
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[619] | 319 | if (this == other) {
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| 320 | return true;
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| 321 | }
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[837] | 322 |
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[619] | 323 | if (!(other instanceof MFCGUIElementSpec)) {
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| 324 | return false;
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| 325 | }
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[837] | 326 |
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[619] | 327 | MFCGUIElementSpec otherSpec = (MFCGUIElementSpec) other;
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[837] | 328 |
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| 329 | return (hwnd == otherSpec.hwnd) && (isModal == otherSpec.isModal) &&
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[619] | 330 | (resourceId == otherSpec.resourceId) &&
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| 331 | ((type == otherSpec.type) || ((type != null) && (type.equals(otherSpec.type)))) &&
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| 332 | ((name == otherSpec.name) || ((name != null) && (name.equals(otherSpec.name))));
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| 333 | }
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| 334 |
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[837] | 335 | /*
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| 336 | * (non-Javadoc)
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| 337 | *
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[619] | 338 | * @see java.lang.Object#hashCode()
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| 339 | */
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| 340 | @Override
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| 341 | public int hashCode() {
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| 342 | // reuse only invariable elements
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| 343 | return (type + isModal + resourceId).hashCode();
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| 344 | }
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| 345 |
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| 346 | /**
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| 347 | * <p>
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[837] | 348 | * Returns a string identifier of the window:<br>
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[619] | 349 | * {@code [resourceId;"windowName";"className";modality]}
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| 350 | * </p>
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| 351 | *
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| 352 | * @return identifier string of the window
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| 353 | */
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| 354 | @Override
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| 355 | public String toString() {
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[837] | 356 | return "[" + resourceId + ";" + getName() + ";\"" + type + "\";" + isModal + ";" + hwnd +
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| 357 | "]";
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[619] | 358 | }
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| 359 |
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| 360 | /**
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| 361 | * <p>
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[837] | 362 | * Returns the XML representation of this specification.
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[619] | 363 | * </p>
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[837] | 364 | *
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| 365 | * @return the XML representation
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[619] | 366 | */
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| 367 | String toXML() {
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[837] | 368 | return "<window name=\"" + (name != null ? StringTools.xmlEntityReplacement(name) : "") +
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| 369 | "\" class=\"" + StringTools.xmlEntityReplacement(type) + "\" resourceId=\"" +
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| 370 | resourceId + "\" isModal=\"" + isModal + "\"/>";
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[619] | 371 | }
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| 372 |
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| 373 | /**
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| 374 | * <p>
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[837] | 375 | * Updates the specification with another specification.
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[619] | 376 | * </p>
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[837] | 377 | *
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[619] | 378 | * @param furtherSpec
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[837] | 379 | * specification used to update the current specification
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[619] | 380 | */
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| 381 | void update(IGUIElementSpec furtherSpec) {
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| 382 | MFCGUIElementSpec other = (MFCGUIElementSpec) furtherSpec;
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[837] | 383 |
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[619] | 384 | if (other != this) {
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| 385 | for (long formerHwnd : other.formerHwnds) {
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| 386 | setHwnd(formerHwnd);
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| 387 | }
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| 388 |
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| 389 | if (hwnd != other.hwnd) {
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| 390 | hwnd = other.hwnd;
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| 391 | }
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| 392 |
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| 393 | for (String formerName : other.formerNames) {
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| 394 | setName(formerName);
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| 395 | }
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| 396 |
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[837] | 397 | if ((name != other.name) && (name != null) && (!name.equals(other.name))) {
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[619] | 398 | setName(other.name);
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| 399 | }
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| 400 | }
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| 401 | }
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| 402 |
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[1] | 403 | }
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