javauis/lcdui_akn/javalcdui/javasrc.nokialcdui/com/nokia/mid/ui/CanvasGraphicsItem.java
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26 import com.nokia.mid.ui.CanvasItem; |
26 import com.nokia.mid.ui.CanvasItem; |
27 import com.nokia.mid.ui.CanvasGraphicsItemPainter; |
27 import com.nokia.mid.ui.CanvasGraphicsItemPainter; |
28 |
28 |
29 import com.nokia.mj.impl.rt.legacy.NativeError; |
29 import com.nokia.mj.impl.rt.legacy.NativeError; |
30 import com.nokia.mj.impl.rt.legacy.ToolkitInvoker; |
30 import com.nokia.mj.impl.rt.legacy.ToolkitInvoker; |
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31 import com.nokia.mj.impl.rt.support.Finalizer; |
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32 |
31 /** |
33 /** |
32 * <P> |
34 * <P> |
33 * A <code>CanvasGraphicsItem</code> is a drawable component that is used with a |
35 * A <code>CanvasGraphicsItem</code> is a drawable component that is used with a |
34 * parent object; with <code>Canvas</code>. The <code>CanvasGraphicsItem</code> |
36 * parent object; with <code>Canvas</code>. The <code>CanvasGraphicsItem</code> |
35 * may be added to and removed from <code>Canvas</code> through |
37 * may be added to and removed from <code>Canvas</code> through |
84 ToolkitInvoker iToolkitInvoker; |
86 ToolkitInvoker iToolkitInvoker; |
85 |
87 |
86 // LCDUI Toolkit object. |
88 // LCDUI Toolkit object. |
87 Object iToolkit; |
89 Object iToolkit; |
88 |
90 |
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91 //Object finalizer |
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92 private Finalizer mFinalizer; |
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93 |
89 private com.nokia.mid.ui.CanvasGraphicsItemPainter iItemPainter; |
94 private com.nokia.mid.ui.CanvasGraphicsItemPainter iItemPainter; |
90 |
95 |
91 /** |
96 /** |
92 * Creates a new <code>CanvasGraphicsItem</code> object with the given |
97 * Creates a new <code>CanvasGraphicsItem</code> object with the given |
93 * initial size. |
98 * initial size. |
147 iVisible = false; |
152 iVisible = false; |
148 |
153 |
149 // Construction was successful. Store handle and register for |
154 // Construction was successful. Store handle and register for |
150 // finalization. |
155 // finalization. |
151 iHandle = handle; |
156 iHandle = handle; |
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157 |
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158 mFinalizer = new Finalizer() |
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159 { |
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160 public void finalizeImpl() |
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161 { |
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162 registeredFinalize(); |
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163 } |
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164 }; |
152 } |
165 } |
153 |
166 |
154 /** |
167 /** |
155 * Set the parent object of this <code>CanvasGraphicsItem</code>. |
168 * Set the parent object of this <code>CanvasGraphicsItem</code>. |
156 * |
169 * |
458 public final void repaint() |
471 public final void repaint() |
459 { |
472 { |
460 iItemPainter.Repaint(0, 0, getWidth(), getHeight()); |
473 iItemPainter.Repaint(0, 0, getWidth(), getHeight()); |
461 } |
474 } |
462 |
475 |
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476 /* |
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477 * Disposes the Landmark native peer object, if the handles are valid. |
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478 * Invalid (negative) handles indicate that their creation failed in the |
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479 * first place. |
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480 */ |
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481 final void registeredFinalize() |
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482 { |
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483 synchronized (iToolkit) |
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484 { |
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485 if (iHandle > 0) |
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486 { |
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487 _dispose(getToolkitHandle(), iHandle); |
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488 iHandle = 0; |
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489 } |
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490 } |
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491 } |
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492 |
463 void Repaint(Graphics aGraphics) |
493 void Repaint(Graphics aGraphics) |
464 { |
494 { |
465 paint(aGraphics); |
495 paint(aGraphics); |
466 } |
496 } |
467 |
497 |