1282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski/* 2282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Copyright (C) 2010 The Android Open Source Project 3282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 4282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 5282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * you may not use this file except in compliance with the License. 6282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * You may obtain a copy of the License at 7282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 8282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 9282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 10282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Unless required by applicable law or agreed to in writing, software 11282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 12282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * See the License for the specific language governing permissions and 14282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * limitations under the License. 15282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 16282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 17282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskipackage android.graphics; 18282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 19282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport com.android.layoutlib.bridge.impl.DelegateManager; 20282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport com.android.tools.layoutlib.annotations.LayoutlibDelegate; 21282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 22282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskiimport java.awt.Composite; 23282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 24282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski/** 25282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Delegate implementing the native methods of android.graphics.Xfermode 26282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 27282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * Through the layoutlib_create tool, the original native methods of Xfermode have been replaced 28282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * by calls to methods of the same name in this delegate class. 29282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 30282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * This class behaves like the original native implementation, but in Java, keeping previously 31282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * native data into its own objects and mapping them to int that are sent back and forth between 32282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * it and the original Xfermode class. 33282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 34282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * This also serve as a base class for all Xfermode delegate classes. 35282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 36282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * @see DelegateManager 37282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski * 38282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski */ 39282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinskipublic abstract class Xfermode_Delegate { 40282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 41282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // ---- delegate manager ---- 42282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski protected static final DelegateManager<Xfermode_Delegate> sManager = 43282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski new DelegateManager<Xfermode_Delegate>(Xfermode_Delegate.class); 44282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 45282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // ---- delegate helper data ---- 46282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 47282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // ---- delegate data ---- 48282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 49282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // ---- Public Helper methods ---- 50282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 5188a8364c386c694f7ad56662ef89713dbf7c9d63Narayan Kamath public static Xfermode_Delegate getDelegate(long native_instance) { 52282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski return sManager.getDelegate(native_instance); 53282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 54282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 55282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public abstract Composite getComposite(int alpha); 56282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public abstract boolean isSupported(); 57282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski public abstract String getSupportMessage(); 58282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 59282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 60282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // ---- native methods ---- 61282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 62282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski @LayoutlibDelegate 6388a8364c386c694f7ad56662ef89713dbf7c9d63Narayan Kamath /*package*/ static void finalizer(long native_instance) { 64282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski sManager.removeJavaReferenceFor(native_instance); 65282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski } 66282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 67282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski // ---- Private delegate/helper methods ---- 68282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski 69282e181b58cf72b6ca770dc7ca5f91f135444502Adam Lesinski} 70