1 /*
   2  * Copyright (c) 2013, 2017, 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;
  27 
  28 import java.awt.Graphics;
  29 import java.awt.Insets;
  30 import java.awt.Point;
  31 import java.awt.Rectangle;
  32 import java.awt.Window;
  33 import java.awt.dnd.DropTarget;
  34 import java.awt.event.FocusEvent;
  35 
  36 import sun.awt.LightweightFrame;
  37 import sun.awt.OverrideNativeWindowHandle;
  38 import sun.swing.JLightweightFrame;
  39 import sun.swing.SwingAccessor;
  40 
  41 public class LWLightweightFramePeer extends LWWindowPeer implements OverrideNativeWindowHandle {
  42 
  43     public LWLightweightFramePeer(LightweightFrame target,
  44                                   PlatformComponent platformComponent,
  45                                   PlatformWindow platformWindow)
  46     {
  47         super(target, platformComponent, platformWindow, LWWindowPeer.PeerType.LW_FRAME);
  48     }
  49 
  50     private LightweightFrame getLwTarget() {
  51         return (LightweightFrame)getTarget();
  52     }
  53 
  54     @Override
  55     public Graphics getGraphics() {
  56         return getLwTarget().getGraphics();
  57     }
  58 
  59     @Override
  60     protected void setVisibleImpl(final boolean visible) {
  61     }
  62 
  63     @Override
  64     public boolean requestWindowFocus(FocusEvent.Cause cause) {
  65         if (!focusAllowedFor()) {
  66             return false;
  67         }
  68         if (getPlatformWindow().rejectFocusRequest(cause)) {
  69             return false;
  70         }
  71 
  72         Window opposite = LWKeyboardFocusManagerPeer.getInstance().
  73             getCurrentFocusedWindow();
  74 
  75         changeFocusedWindow(true, opposite);
  76 
  77         return true;
  78     }
  79 
  80     @Override
  81     public Point getLocationOnScreen() {
  82         Rectangle bounds = getBounds();
  83         return new Point(bounds.x, bounds.y); // todo
  84     }
  85 
  86     @Override
  87     public Insets getInsets() {
  88         return new Insets(0, 0, 0, 0);
  89     }
  90 
  91     @Override
  92     public void setBounds(int x, int y, int w, int h, int op) {
  93         setBounds(x, y, w, h, op, true, false);
  94     }
  95 
  96     @Override
  97     public void addDropTarget(DropTarget dt) {
  98         getLwTarget().addDropTarget(dt);
  99     }
 100 
 101     @Override
 102     public void removeDropTarget(DropTarget dt) {
 103         getLwTarget().removeDropTarget(dt);
 104     }
 105 
 106     @Override
 107     public void grab() {
 108         getLwTarget().grabFocus();
 109     }
 110 
 111     @Override
 112     public void ungrab() {
 113         getLwTarget().ungrabFocus();
 114     }
 115 
 116     @Override
 117     public void updateCursorImmediately() {
 118         SwingAccessor.getJLightweightFrameAccessor().updateCursor((JLightweightFrame)getLwTarget());
 119     }
 120 
 121     private long overridenWindowHandle = 0L;
 122 
 123     @Override
 124     public void overrideWindowHandle(final long handle) {
 125         this.overridenWindowHandle = handle;
 126     }
 127 
 128     public long getOverridenWindowHandle() {
 129         return overridenWindowHandle;
 130     }
 131 }