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annotate dstep/objc/bridge/Wrapper.d @ 16:19885b43130e

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Huge update, the bridge actually works now
author Jacob Carlborg <doob@me.com>
date Sun, 03 Jan 2010 22:06:11 +0100
parents 9fd439a28ce3
children b9de51448c6b
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1 /**
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2 * Copyright: Copyright (c) 2009 Jacob Carlborg.
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3 * Authors: Jacob Carlborg
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4 * Version: Initial created: Feb 1, 2009
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5 * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
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6 */
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7 module dstep.objc.bridge.Wrapper;
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8
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9 import dstep.internal.String;
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10 import dstep.objc.bridge.Bridge;
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11 import dstep.objc.bridge.Capsule;
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12 import dstep.objc.message;
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13 import dstep.objc.objc;
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14 import dstep.objc.runtime;
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15
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16 /// Wrapper class for an Objective-C object.
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17 abstract class ObjcWrapper
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18 {
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19 static private Class objcSuperClass_;
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20
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21 private id objcObject_;
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22 private objc_super* objcSuper_;
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23
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24 /// Initializes object from an Objective-C object instance to wrap.
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25 this (id object)
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26 {
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27 objcObject = object;
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28 dObject = this;
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29 }
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31 /// Initializes object from another wrapper.
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32 this (ObjcWrapper wrapper)
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33 {
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34 if (wrapper)
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35 this(wrapper.objcObject);
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36
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37 else
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38 this(cast(id) null);
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39 }
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40
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41 ~this ()
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42 {
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43 Bridge.deregisterObjcInstance(objcObject_);
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44 }
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45
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46 /// Returns the Objective-C class for this wrapper
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47 static Class objcClass ()
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48 {
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49 return capsuleClass;
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50 }
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51
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52 /// Returns the Objective-C superclass for this wrapper
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53 static Class objcSuperClass ()
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54 {
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55 if (!objcSuperClass_)
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56 return objcSuperClass_ = objcClass.getSuperclass;
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57
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58 return objcSuperClass_;
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59 }
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60
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61 /// Gets the Objective-C object instance pointer.
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62 final id objcObject ()
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63 {
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64 return objcObject_;
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65 }
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66
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67 /// Sets the Objective-C object instance pointer.
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68 protected final id objcObject (id object)
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69 {
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70 return objcObject_ = object;
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71 }
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72
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73 /// Sets the D object in the receiver's Objective-C instance
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74 protected final void dObject (Object dObject)
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75 {
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76 Bridge.instance.setDObject(dObject, objcObject);
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77 }
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79 /// Gets the objc_super instance of the receiver
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80 protected final objc_super* objcSuper ()
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81 {
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82 if (!objcSuper_)
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83 {
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84 objcSuper_ = new objc_super;
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85 objcSuper_.receiver = objcObject;
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86 objcSuper_.cls = objcSuperClass;
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87 }
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88
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89 return objcSuper_;
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90 }
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91 }