author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 27 Apr 2010 16:30:29 +0300 | |
branch | RCL_3 |
changeset 19 | 04becd199f91 |
child 60 | 6c158198356e |
permissions | -rw-r--r-- |
19
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Receives callbacks from the native side. |
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* |
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*/ |
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|
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// PACKAGE |
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package com.nokia.mid.ui.impl; |
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|
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// IMPORTS |
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import com.nokia.mid.ui.TextEditorListener; |
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import com.nokia.mid.ui.TextEditor; |
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import com.nokia.mj.impl.rt.legacy.NativeError; |
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import com.nokia.mj.impl.rt.legacy.ToolkitInvoker; |
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import com.nokia.mj.impl.rt.support.Finalizer; |
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|
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|
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// CLASS DESCRIPTION |
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/** |
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* Receives callbacks from the native side. |
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*/ |
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public class TextEditorListenerImpl |
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{ |
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// Data |
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private final TextEditor iEditor; |
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private final TextEditorListener iListener; |
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private final Object iToolkit; |
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private final ToolkitInvoker iToolkitInvoker; |
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private int iHandle; |
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private int iActions; |
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private Finalizer mFinalizer; |
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|
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/** |
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* Constructor. |
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* |
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* @param aEditor |
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* The editor to which this listener is associated to. ' @param |
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* aListener The listener to which this implementation is |
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* associated to. Actions are delivered to this object. |
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*/ |
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public TextEditorListenerImpl( |
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TextEditor aEditor, |
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TextEditorListener aListener) |
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{ |
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iEditor = aEditor; |
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iListener = aListener; |
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|
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// Toolkit invoker is needed for accessing javax.microedition.lcdui |
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// package |
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iToolkitInvoker = ToolkitInvoker.getToolkitInvoker(); |
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iToolkit = iToolkitInvoker.getToolkit(); |
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|
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int handle = 0; |
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synchronized (iToolkit) |
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{ |
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// Create native peer object for this Java object. |
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handle = |
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_createNativePeer(iToolkitInvoker.toolkitGetHandle(iToolkit)); |
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} |
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|
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// Check if construction failed and throw out of memory error. |
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if (handle <= NativeError.KErrNone) |
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{ |
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throw new OutOfMemoryError(); |
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} |
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|
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// Construction was successful. Store handle and register for |
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// finalization. |
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iHandle = handle; |
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mFinalizer = new Finalizer() |
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{ |
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public void finalizeImpl() |
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{ |
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registeredFinalize(); |
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} |
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}; |
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} |
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|
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/** |
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* This method is called when an action occurs in the native side. |
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* |
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* The actions are simply delegated to the associated |
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* <code>TextEditorListener</code> object which provids the actual |
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* functionality. |
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* |
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* @param aActions |
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* The actions that occured. |
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* @return The status from the associated listener. |
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*/ |
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public void inputAction(int aActions) |
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{ |
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103 |
// JDEBUG( "TextEditorListenerImpl.inputAction() + aActions=" + aActions |
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// ); |
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105 |
|
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106 |
try |
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{ |
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iListener.inputAction(iEditor, aActions); |
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} |
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catch (Throwable t) |
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111 |
{ |
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// JDEBUG( |
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// "TextEditorListenerImpl.inputAction(), exception in callback" ); |
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114 |
|
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// Ignored intentionally. |
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116 |
|
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t.printStackTrace(); |
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} |
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119 |
|
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// JDEBUG( "TextEditorListenerImpl.inputAction() -" ); |
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} |
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122 |
|
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/** |
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* Returns the handle to the native side peer object. |
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* |
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* @return The handle to the native side peer object. |
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*/ |
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public int getHandle() |
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{ |
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return iHandle; |
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} |
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132 |
|
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/** |
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* Disposes the Landmark native peer objecct, if the handles are valid. |
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* Invalid (negative) handles indicate that their creation failed in the |
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* first place. |
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*/ |
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final void registeredFinalize() |
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{ |
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// JDEBUG( "TextEditorListenerImpl.registeredFinalize() +" ); |
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141 |
|
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synchronized (iToolkit) |
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{ |
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if (iHandle > 0) |
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{ |
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_dispose(iToolkitInvoker.toolkitGetHandle(iToolkit), iHandle); |
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|
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iHandle = 0; |
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} |
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} |
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|
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// JDEBUG( "TextEditorListenerImpl.registeredFinalize() -" ); |
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} |
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|
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// Native methods |
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|
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/** |
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* Creates the native side peer object for this object. |
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* |
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* @param aToolkitHandle |
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* A handle to the LCDUI toolkit. |
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* @return A handle to the the native side peer object or a system-wide |
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* error code. |
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*/ |
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private native int _createNativePeer(int aToolkitHandle); |
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|
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/** |
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* Disposes the native side peer object. |
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* |
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* @param aToolkitHandle |
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* A handle to the LCDUI toolkit. |
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* @param aNativePeerHandle |
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* A handle to the native side peer object. |
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*/ |
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private native void _dispose(int aToolkitHandle, int aNativePeerHandle); |
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} |
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|
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// End of file |