1 /* 2 * Copyright (c) 2011, 2016, 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 #import <QuartzCore/CATransaction.h> 32 33 @implementation AWTSurfaceLayers 34 35 @synthesize windowLayer; 36 37 - (id) initWithWindowLayer:(CALayer *)aWindowLayer { 38 self = [super init]; 39 if (self == nil) return self; 40 41 self.windowLayer = aWindowLayer; 42 43 return self; 44 } 45 46 - (void) dealloc { 47 self.windowLayer = nil; 48 [super dealloc]; 49 } 50 51 - (CALayer *) layer { 52 return layer; 53 } 54 55 - (void) setLayer:(CALayer *)newLayer { 56 if (layer != newLayer) { 57 if (layer != nil || newLayer == nil) { 58 [layer removeFromSuperlayer]; 59 [layer release]; 60 } 61 62 if (newLayer != nil) { 63 layer = [newLayer retain]; 64 // REMIND: window layer -> container layer 65 [windowLayer addSublayer: layer]; 66 } 67 } 68 } 69 70 // Updates back buffer size of the layer if it's an OpenGL layer 71 // including all OpenGL sublayers 72 + (void) repaintLayersRecursively:(CALayer*)aLayer { 73 if ([aLayer isKindOfClass:[CAOpenGLLayer class]]) { 74 [aLayer setNeedsDisplay]; 75 } 76 for(CALayer *child in aLayer.sublayers) { 77 [AWTSurfaceLayers repaintLayersRecursively: child]; 78 } 79 } 80 81 - (void) setBounds:(CGRect)rect { 82 // translates values to the coordinate system of the "root" layer 83 rect.origin.y = windowLayer.bounds.size.height - rect.origin.y - rect.size.height; 84 [CATransaction begin]; 85 [CATransaction setDisableActions:YES]; 86 layer.frame = rect; 87 [CATransaction commit]; 88 [AWTSurfaceLayers repaintLayersRecursively:layer]; 89 } 90 91 @end 92 93 /* 94 * Class: sun_lwawt_macosx_CPlatformComponent 95 * Method: nativeCreateLayer 96 * Signature: ()J 97 */ 98 JNIEXPORT jlong JNICALL 99 Java_sun_lwawt_macosx_CPlatformComponent_nativeCreateComponent 100 (JNIEnv *env, jobject obj, jlong windowLayerPtr) 101 { 102 __block AWTSurfaceLayers *surfaceLayers = nil; 103 104 JNF_COCOA_ENTER(env); 105 106 [ThreadUtilities performOnMainThreadWaiting:YES block:^(){ 107 108 CALayer *windowLayer = jlong_to_ptr(windowLayerPtr); 109 surfaceLayers = [[AWTSurfaceLayers alloc] initWithWindowLayer: windowLayer]; 110 }]; 111 112 JNF_COCOA_EXIT(env); 113 114 return ptr_to_jlong(surfaceLayers); 115 } 116 117 /* 118 * Class: sun_lwawt_macosx_CPlatformComponent 119 * Method: nativeSetBounds 120 * Signature: (JIIII)V 121 */ 122 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformComponent_nativeSetBounds 123 (JNIEnv *env, jclass clazz, jlong surfaceLayersPtr, jint x, jint y, jint width, jint height) 124 { 125 JNF_COCOA_ENTER(env); 126 127 AWTSurfaceLayers *surfaceLayers = OBJC(surfaceLayersPtr); 128 129 [ThreadUtilities performOnMainThreadWaiting:NO block:^(){ 130 131 CGRect rect = CGRectMake(x, y, width, height); 132 [surfaceLayers setBounds: rect]; 133 }]; 134 135 JNF_COCOA_EXIT(env); 136 }