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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: Java side Core UI accessor.
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*
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*/
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package com.nokia.mj.impl.coreuiqt;
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import com.nokia.mj.impl.utils.Uid;
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import com.nokia.mj.impl.rt.support.Jvm;
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import com.nokia.mj.impl.rt.support.ApplicationUtils;
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import com.nokia.mj.impl.rt.support.ApplicationInfo;
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import com.nokia.mj.impl.coreui.CoreUi;
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import org.eclipse.swt.internal.extension.Toolkit;
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/**
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* A gate to CoreUi Qt implementation.
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*/
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public class CoreUiImpl extends CoreUi
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{
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public CoreUiImpl()
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{
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// Load the native.
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Jvm.loadSystemLibrary("javacoreui");
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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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protected boolean connectToUiImpl()
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{
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return true;
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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.
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* @param backGroundStart Should the UI be put into background.
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*/
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protected void createUiImpl(Uid uid, boolean backGroundStart)
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{
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// CoreUiStartScreen.showStartScreen(backGroundStart);
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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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*/
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protected void shutdownRequestImpl()
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{
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ApplicationUtils.getInstance().notifyExitCmd();
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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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protected void foregroundRequestImpl()
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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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protected boolean isUiInForegroundImpl()
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{
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return true;
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}
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/**
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* For asking if the UI to remove the icon from the task manager.
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*/
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protected void hideApplicationImpl(boolean hide)
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{
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// Native logic is reversed between Symbian^3 and Symbian^4.
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// platform specific part.
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_hideApplication(!hide);
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}
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/**
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* Executes given Runnable synchronously in UI thread.
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* <br>
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* This method should only be used in cases where it
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* is absolutely needed. Before using this method,
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* consider carefully if the use case really requires
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* code to be executed in UI thread.
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* <br>
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* This method is only supported in Qt based runtimes.
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* <br>
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* @param runnable Runnable to be executed
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* @throws RuntimeException if execution in UI thread
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* is not supported
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*/
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protected void runInSyncUiThreadImpl(Runnable runnable)
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{
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Toolkit.getInternalDisplay().syncExec(runnable);
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}
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/**
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* Executes given Runnable asynchronously in UI thread.
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* <br>
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* This method should only be used in cases where it
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* is absolutely needed. Before using this method,
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* consider carefully if the use case really requires
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* code to be executed in UI thread.
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* <br>
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* This method is only supported in Qt based runtimes.
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* <br>
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* @param runnable Runnable to be executed
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* @throws RuntimeException if execution in UI thread
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* is not supported
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*/
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protected void runInAsyncUiThreadImpl(Runnable runnable)
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{
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Toolkit.getInternalDisplay().asyncExec(runnable);
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}
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private native void _hideApplication(boolean hide);
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}
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