1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #import "AWTSurfaceLayers.h" 27 #import "ThreadUtilities.h" 28 #import "LWCToolkit.h" 29 30 #import <JavaNativeFoundation/JavaNativeFoundation.h> 31 32 @implementation AWTSurfaceLayers 33 34 @synthesize windowLayer; 35 36 - (id) initWithWindowLayer:(CALayer *)aWindowLayer { 37 self = [super init]; 38 if (self == nil) return self; 39 40 windowLayer = aWindowLayer; 41 42 return self; 43 } 44 45 46 - (CALayer *) layer { 47 return layer; 48 } 49 50 - (void) setLayer:(CALayer *)newLayer { 51 if (layer != newLayer) { 52 if (layer != nil || newLayer == nil) { 53 [layer removeFromSuperlayer]; 54 [layer release]; 55 } 56 57 if (newLayer != nil) { 58 layer = [newLayer retain]; 59 // REMIND: window layer -> container layer 60 [windowLayer addSublayer: layer]; 61 } 62 } 63 } 64 65 // Updates back buffer size of the layer if it's an OpenGL layer 66 // including all OpenGL sublayers 67 + (void) repaintLayersRecursively:(CALayer*)aLayer { 68 if ([aLayer isKindOfClass:[CAOpenGLLayer class]]) { 69 [aLayer setNeedsDisplay]; 70 } 71 for(CALayer *child in aLayer.sublayers) { 72 [AWTSurfaceLayers repaintLayersRecursively: child]; 73 } 74 } 75 76 - (void) setBounds:(CGRect)rect { 77 layer.anchorPoint = CGPointMake(0, 0); 78 79 // translates values to the coordinate system of the "root" layer 80 CGFloat newY = windowLayer.bounds.size.height - rect.origin.y - rect.size.height; 81 82 // REMIND: why do we need to inverse position? 83 CGRect newRect = CGRectMake(-rect.origin.x, -newY, rect.size.width, rect.size.height); 84 85 layer.bounds = newRect; 86 [AWTSurfaceLayers repaintLayersRecursively:layer]; 87 } 88 89 @end 90 91 /* 92 * Class: sun_lwawt_macosx_CPlatformComponent 93 * Method: nativeCreateLayer 94 * Signature: ()J 95 */ 96 JNIEXPORT jlong JNICALL 97 Java_sun_lwawt_macosx_CPlatformComponent_nativeCreateComponent 98 (JNIEnv *env, jobject obj, jlong windowLayerPtr) 99 { 100 __block AWTSurfaceLayers *surfaceLayers = nil; 101 102 JNF_COCOA_ENTER(env); 103 AWT_ASSERT_NOT_APPKIT_THREAD; 104 105 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ 106 AWT_ASSERT_APPKIT_THREAD; 107 108 CALayer *windowLayer = jlong_to_ptr(windowLayerPtr); 109 surfaceLayers = [[AWTSurfaceLayers alloc] initWithWindowLayer: windowLayer]; 110 CFRetain(surfaceLayers); 111 [surfaceLayers release]; 112 }]; 113 114 JNF_COCOA_EXIT(env); 115 116 return ptr_to_jlong(surfaceLayers); 117 } 118 119 /* 120 * Class: sun_lwawt_macosx_CPlatformComponent 121 * Method: nativeSetBounds 122 * Signature: (JIIII)V 123 */ 124 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformComponent_nativeSetBounds 125 (JNIEnv *env, jclass clazz, jlong surfaceLayersPtr, jint x, jint y, jint width, jint height) 126 { 127 JNF_COCOA_ENTER(env); 128 129 AWTSurfaceLayers *surfaceLayers = OBJC(surfaceLayersPtr); 130 [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^(){ 131 AWT_ASSERT_APPKIT_THREAD; 132 133 CGRect rect = CGRectMake(x, y, width, height); 134 [surfaceLayers setBounds: rect]; 135 }]; 136 137 JNF_COCOA_EXIT(env); 138 }