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