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 
  27 package sun.lwawt.macosx;
  28 
  29 import java.awt.Insets;
  30 
  31 import sun.lwawt.PlatformComponent;
  32 import sun.lwawt.PlatformWindow;
  33 
  34 /**
  35  * On OSX {@code CPlatformComponent} stores pointer to the native CAlayer which
  36  * can be used from JAWT.
  37  */
  38 class CPlatformComponent extends CFRetainedResource
  39         implements PlatformComponent {
  40 
  41     private volatile PlatformWindow platformWindow;
  42 
  43     CPlatformComponent() {
  44         super(0, true);
  45     }
  46 
  47     public long getPointer() {
  48         return ptr;
  49     }
  50 
  51     @Override
  52     public void initialize(final PlatformWindow platformWindow) {
  53         this.platformWindow = platformWindow;
  54         setPtr(nativeCreateComponent(platformWindow.getLayerPtr()));
  55     }
  56 
  57     // TODO: visibility, z-order
  58 
  59     @Override
  60     public void setBounds(final int x, final int y, final int w, final int h) {
  61         // translates values from the coordinate system of the top-level window
  62         // to the coordinate system of the content view
  63         final Insets insets = platformWindow.getPeer().getInsets();
  64         nativeSetBounds(getPointer(), x - insets.left, y - insets.top, w, h);
  65     }
  66 
  67     @Override
  68     public void dispose() {
  69         super.dispose();
  70     }
  71 
  72     private native long nativeCreateComponent(long windowLayer);
  73 
  74     private native void nativeSetBounds(long ptr, int x, int y, int w, int h);
  75 }