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 package sun.lwawt.macosx;
  27 
  28 import java.awt.*;

  29 import java.awt.image.VolatileImage;
  30 
  31 import sun.awt.CGraphicsConfig;
  32 import sun.lwawt.LWWindowPeer;
  33 import sun.lwawt.macosx.event.NSEvent;
  34 
  35 import sun.java2d.SurfaceData;
  36 import sun.java2d.opengl.CGLLayer;
  37 import sun.java2d.opengl.CGLSurfaceData;
  38 
  39 public class CPlatformView extends CFRetainedResource {
  40     private native long nativeCreateView(int x, int y, int width, int height, long windowLayerPtr);
  41 
  42     private LWWindowPeer peer;
  43     private SurfaceData surfaceData;
  44     private CGLLayer windowLayer;
  45     private CPlatformResponder responder;
  46 
  47     public CPlatformView() {
  48         super(0, true);
  49     }
  50 
  51     public void initialize(LWWindowPeer peer, CPlatformResponder responder) {
  52         this.peer = peer;
  53         this.responder = responder;
  54 
  55         if (!LWCToolkit.getSunAwtDisableCALayers()) {
  56             this.windowLayer = new CGLLayer(peer);
  57         }
  58         setPtr(nativeCreateView(0, 0, 0, 0, getWindowLayerPtr()));
  59     }
  60 
  61     public long getAWTView() {
  62         return ptr;
  63     }
  64 
  65     public boolean isOpaque() {
  66         return !peer.isTranslucent();
  67     }
  68 
  69     /*
  70      * All coordinates passed to the method should be based on the origin being in the bottom-left corner (standard
  71      * Cocoa coordinates).
  72      */
  73     public void setBounds(int x, int y, int width, int height) {
  74         CWrapper.NSView.setFrame(ptr, x, y, width, height);
  75     }
  76 
  77     // REMIND: CGLSurfaceData expects top-level's size
  78     public Rectangle getBounds() {
  79         return peer.getBounds();
  80     }
  81 
  82     public Object getDestination() {
  83         return peer;
  84     }
  85 
  86     public void enterFullScreenMode(final long nsWindowPtr) {
  87         CWrapper.NSView.enterFullScreenMode(ptr);
  88 
  89         // REMIND: CGLSurfaceData expects top-level's size
  90         // and therefore we need to account insets before
  91         // recreating the surface data
  92         Insets insets = peer.getInsets();
  93 
  94         Rectangle screenBounds;
  95         final long screenPtr = CWrapper.NSWindow.screen(nsWindowPtr);
  96         try {
  97             screenBounds = CWrapper.NSScreen.frame(screenPtr).getBounds();
  98         } finally {
  99             CWrapper.NSObject.release(screenPtr);
 100         }
 101 
 102         // the move/size notification from the underlying system comes
 103         // but it contains a bounds smaller than the whole screen
 104         // and therefore we need to create the synthetic notifications
 105         peer.notifyReshape(screenBounds.x - insets.left,
 106                            screenBounds.y - insets.bottom,
 107                            screenBounds.width + insets.left + insets.right,
 108                            screenBounds.height + insets.top + insets.bottom);
 109     }
 110 
 111     public void exitFullScreenMode() {
 112         CWrapper.NSView.exitFullScreenMode(ptr);
 113     }
 114 
 115     // ----------------------------------------------------------------------
 116     // PAINTING METHODS
 117     // ----------------------------------------------------------------------
 118 
 119     public void drawImageOnPeer(VolatileImage xBackBuffer, int x1, int y1, int x2, int y2) {
 120         Graphics g = peer.getGraphics();
 121         try {
 122             g.drawImage(xBackBuffer, x1, y1, x2, y2, x1, y1, x2, y2, null);
 123         } finally {
 124             g.dispose();
 125         }
 126     }
 127 
 128     public Image createBackBuffer() {
 129         Rectangle r = peer.getBounds();
 130         Image im = null;
 131         if (!r.isEmpty()) {
 132             int transparency = (isOpaque() ? Transparency.OPAQUE : Transparency.TRANSLUCENT);
 133             im = peer.getGraphicsConfiguration().createCompatibleImage(r.width, r.height, transparency);
 134         }
 135         return im;
 136     }
 137 
 138     public SurfaceData replaceSurfaceData() {
 139         if (!LWCToolkit.getSunAwtDisableCALayers()) {
 140             surfaceData = windowLayer.replaceSurfaceData();
 141         } else {
 142             if (surfaceData == null) {
 143                 CGraphicsConfig graphicsConfig = (CGraphicsConfig)peer.getGraphicsConfiguration();
 144                 surfaceData = graphicsConfig.createSurfaceData(this);
 145             } else {
 146                 validateSurface();
 147             }
 148         }
 149         return surfaceData;
 150     }
 151 
 152     private void validateSurface() {
 153         if (surfaceData != null) {
 154             ((CGLSurfaceData)surfaceData).validate();
 155         }
 156     }
 157 
 158     public GraphicsConfiguration getGraphicsConfiguration() {
 159         return peer.getGraphicsConfiguration();
 160     }
 161 
 162     public SurfaceData getSurfaceData() {
 163         return surfaceData;
 164     }
 165 
 166     @Override
 167     public void dispose() {
 168         if (!LWCToolkit.getSunAwtDisableCALayers()) {
 169             windowLayer.dispose();
 170         }
 171         super.dispose();
 172     }
 173 
 174     public long getWindowLayerPtr() {
 175         if (!LWCToolkit.getSunAwtDisableCALayers()) {
 176             return windowLayer.getPointer();
 177         } else {
 178             return 0;
 179         }
 180     }
 181 
 182     // ----------------------------------------------------------------------
 183     // NATIVE CALLBACKS
 184     // ----------------------------------------------------------------------
 185 
 186     private void deliverMouseEvent(NSEvent event) {
 187         int x = event.getX();
 188         int y = getBounds().height - event.getY();
 189 
 190         if (event.getType() == CocoaConstants.NSScrollWheel) {
 191             responder.handleScrollEvent(x, y, event.getModifierFlags(),
 192                                         event.getScrollDeltaX(), event.getScrollDeltaY());
 193         } else {
 194             responder.handleMouseEvent(event.getType(), event.getModifierFlags(), event.getButtonNumber(),
 195                                        event.getClickCount(), x, y, event.getAbsX(), event.getAbsY());
 196         }
 197     }
 198 
 199     private void deliverKeyEvent(NSEvent event) {
 200         responder.handleKeyEvent(event.getType(), event.getModifierFlags(),
 201                                  event.getCharactersIgnoringModifiers(), event.getKeyCode(), true);
 202     }
 203 
 204     /**
 205      * Called by the native delegate in layer backed view mode or in the simple
 206      * NSView mode. See NSView.drawRect().
 207      */
 208     private void deliverWindowDidExposeEvent() {
 209         peer.notifyExpose(peer.getSize());





 210     }
 211 }
--- EOF ---