author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 08:28:21 +0300 | |
changeset 76 | 4ad59aaee882 |
parent 21 | 2a9601315dfc |
child 80 | d6dafc5d983f |
child 83 | 26b2b12093af |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009-2010 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: Avkon CoreUI abstract class |
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* |
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*/ |
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package com.nokia.mj.impl.coreui; |
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import java.util.Hashtable; |
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import com.nokia.mj.impl.utils.Logger; |
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import com.nokia.mj.impl.utils.Uid; |
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/** |
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* A factory type of class for accessing the CoreUi implementation. |
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*/ |
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public abstract class CoreUi |
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{ |
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private static final String PACKAGE_END_PROPERTY_NAME = "com.nokia.coreui"; |
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private static final String PACKAGE_PREFIX = "com.nokia.mj.impl."; |
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|
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private static final String CORE_UI_CLASS = ".CoreUiImpl"; |
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private static CoreUi sInstance = null; |
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|
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static |
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{ |
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//Get the system proptery defining the end of package. |
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String packageEnd = |
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System.getProperty(PACKAGE_END_PROPERTY_NAME); |
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|
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if (packageEnd != null) |
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{ |
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//Construct the class |
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String className = PACKAGE_PREFIX + packageEnd + CORE_UI_CLASS; |
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try |
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{ |
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Class clazz = Class.forName(className); |
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sInstance = (CoreUi)clazz.newInstance(); |
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} |
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catch (Throwable t) |
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{ |
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String err = "Not able to instantiate class " + |
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className+". Reason is: "; |
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, err, t); |
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throw new RuntimeException(err + t); |
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} |
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} |
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} |
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|
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/** |
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* Connects to the already created CoreUi. |
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* @return permission to start the application. There is a small time |
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* window where user is able to cancel the application |
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* start. In this case the CoreUi stores the request and |
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* informs the caller of this method that the application |
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* should not be started. |
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*/ |
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public static boolean connectToUi() |
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{ |
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boolean canBeStarted = true; |
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if (sInstance != null) |
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{ |
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canBeStarted = sInstance.connectToUiImpl(); |
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} |
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return canBeStarted; |
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} |
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|
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/** |
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* For creating the UI from Java side. This is meant for the pre-warmed |
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* VM use case. Calling this method will lead creation of the CoreUI. |
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* @param uid The UID of the application. If null NullPointerException |
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* will be thrown. |
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* @param backGroundStart Should the UI be put into background. |
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*/ |
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public static void createUi(Uid uid, boolean backGroundStart) |
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{ |
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if (sInstance != null) |
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{ |
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if (uid == null) |
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{ |
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throw new NullPointerException("Null UID when creating UI"); |
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} |
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sInstance.createUiImpl(uid, backGroundStart); |
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} |
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} |
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/** |
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* For asking the runtime to do the shutdown of the application. |
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* One user for this method is the CoreUi native implementation. |
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*/ |
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public static void shutdownRequest() |
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{ |
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if (sInstance != null) |
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{ |
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sInstance.shutdownRequestImpl(); |
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} |
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} |
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|
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/** |
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* For asking the runtime to bring the application to foreground. |
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*/ |
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public static void foregroundRequest() |
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{ |
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if (sInstance != null) |
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{ |
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sInstance.foregroundRequestImpl(); |
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} |
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} |
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|
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/** |
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* For asking if the UI is in foreground. |
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*/ |
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public static boolean isUiInForeground() |
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{ |
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boolean fg = true; |
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if (sInstance != null) |
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{ |
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fg = sInstance.isUiInForegroundImpl(); |
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} |
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return fg; |
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} |
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|
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public static void hideApplication(boolean hide) |
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{ |
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if (sInstance != null) |
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{ |
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sInstance.hideApplicationImpl(hide); |
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} |
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} |
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21
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Revision: v2.1.22
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protected abstract boolean connectToUiImpl(); |
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protected abstract void createUiImpl(Uid uid, boolean backGroundStart); |
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protected abstract void shutdownRequestImpl(); |
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protected abstract void foregroundRequestImpl(); |
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protected abstract boolean isUiInForegroundImpl(); |
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protected abstract void hideApplicationImpl(boolean hide); |
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} |