| /* |
| * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package apple.laf; |
| |
| import java.nio.*; |
| import java.util.*; |
| |
| import apple.laf.JRSUIConstants.*; |
| |
| public final class JRSUIControl { |
| private static native int initNativeJRSUI(); |
| |
| private static native long getPtrOfBuffer(ByteBuffer byteBuffer); |
| private static native long getCFDictionary(boolean flipped); |
| private static native void disposeCFDictionary(long cfDictionaryPtr); |
| |
| private static native int syncChanges(long cfDictionaryPtr, long byteBufferPtr); |
| |
| // private static native int paint(long cfDictionaryPtr, long oldProperties, long newProperties, OSXSurfaceData osxsd, double x, double y, double w, double h); |
| // private static native int paintChanges(long cfDictionaryPtr, long byteBufferPtr, long oldProperties, long newProperties, OSXSurfaceData osxsd, double x, double y, double w, double h); |
| |
| private static native int paintToCGContext (long cgContext, long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h); |
| private static native int paintChangesToCGContext (long cgContext, long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h, long byteBufferPtr); |
| |
| private static native int paintImage (int[] data, int imgW, int imgH, long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h); |
| private static native int paintChangesImage (int[] data, int imgW, int imgH, long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h, long byteBufferPtr); |
| |
| private static native int getNativeHitPart( long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h, double hitX, double hitY); |
| private static native void getNativePartBounds(final double[] rect, long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h, int part); |
| private static native double getNativeScrollBarOffsetChange( long cfDictionaryPtr, long oldProperties, long newProperties, double x, double y, double w, double h, int offset, int visibleAmount, int extent); |
| |
| private static final int INCOHERENT = 2; |
| private static final int NOT_INIT = 1; |
| private static final int SUCCESS = 0; |
| private static final int NULL_PTR = -1; |
| private static final int NULL_CG_REF = -2; |
| |
| private static int nativeJRSInitialized = NOT_INIT; |
| |
| |
| public static void initJRSUI() { |
| if (nativeJRSInitialized == SUCCESS) return; |
| nativeJRSInitialized = initNativeJRSUI(); |
| if (nativeJRSInitialized != SUCCESS) throw new RuntimeException("JRSUI could not be initialized (" + nativeJRSInitialized + ")."); |
| } |
| |
| private static final int NIO_BUFFER_SIZE = 128; |
| private static class ThreadLocalByteBuffer { |
| final ByteBuffer buffer; |
| final long ptr; |
| |
| public ThreadLocalByteBuffer() { |
| buffer = ByteBuffer.allocateDirect(NIO_BUFFER_SIZE); |
| buffer.order(ByteOrder.nativeOrder()); |
| ptr = getPtrOfBuffer(buffer); |
| } |
| } |
| |
| private static final ThreadLocal<ThreadLocalByteBuffer> threadLocal = new ThreadLocal<ThreadLocalByteBuffer>(); |
| private static ThreadLocalByteBuffer getThreadLocalBuffer() { |
| ThreadLocalByteBuffer byteBuffer = threadLocal.get(); |
| if (byteBuffer != null) return byteBuffer; |
| |
| byteBuffer = new ThreadLocalByteBuffer(); |
| threadLocal.set(byteBuffer); |
| return byteBuffer; |
| } |
| |
| private final HashMap<Key, DoubleValue> nativeMap; |
| private final HashMap<Key, DoubleValue> changes; |
| private long cfDictionaryPtr; |
| |
| private long priorEncodedProperties; |
| private long currentEncodedProperties; |
| private final boolean flipped; |
| |
| public JRSUIControl(final boolean flipped){ |
| this.flipped = flipped; |
| cfDictionaryPtr = getCFDictionary(flipped); |
| if (cfDictionaryPtr == 0) throw new RuntimeException("Unable to create native representation"); |
| nativeMap = new HashMap<Key, DoubleValue>(); |
| changes = new HashMap<Key, DoubleValue>(); |
| } |
| |
| JRSUIControl(final JRSUIControl other) { |
| flipped = other.flipped; |
| cfDictionaryPtr = getCFDictionary(flipped); |
| if (cfDictionaryPtr == 0) throw new RuntimeException("Unable to create native representation"); |
| nativeMap = new HashMap<Key, DoubleValue>(); |
| changes = new HashMap<Key, DoubleValue>(other.nativeMap); |
| changes.putAll(other.changes); |
| } |
| |
| @SuppressWarnings("deprecation") |
| protected synchronized void finalize() throws Throwable { |
| if (cfDictionaryPtr == 0) return; |
| disposeCFDictionary(cfDictionaryPtr); |
| cfDictionaryPtr = 0; |
| } |
| |
| |
| enum BufferState { |
| NO_CHANGE, |
| ALL_CHANGES_IN_BUFFER, |
| SOME_CHANGES_IN_BUFFER, |
| CHANGE_WONT_FIT_IN_BUFFER; |
| } |
| |
| private BufferState loadBufferWithChanges(final ThreadLocalByteBuffer localByteBuffer) { |
| final ByteBuffer buffer = localByteBuffer.buffer; |
| buffer.rewind(); |
| |
| for (final JRSUIConstants.Key key : new HashSet<JRSUIConstants.Key>(changes.keySet())) { |
| final int changeIndex = buffer.position(); |
| final JRSUIConstants.DoubleValue value = changes.get(key); |
| |
| try { |
| buffer.putLong(key.getConstantPtr()); |
| buffer.put(value.getTypeCode()); |
| value.putValueInBuffer(buffer); |
| } catch (final BufferOverflowException e) { |
| return handleBufferOverflow(buffer, changeIndex); |
| } catch (final RuntimeException e) { |
| System.err.println(this); |
| throw e; |
| } |
| |
| if (buffer.position() >= NIO_BUFFER_SIZE - 8) { |
| return handleBufferOverflow(buffer, changeIndex); |
| } |
| |
| changes.remove(key); |
| nativeMap.put(key, value); |
| } |
| |
| buffer.putLong(0); |
| return BufferState.ALL_CHANGES_IN_BUFFER; |
| } |
| |
| private BufferState handleBufferOverflow(final ByteBuffer buffer, final int changeIndex) { |
| if (changeIndex == 0) { |
| buffer.putLong(0, 0); |
| return BufferState.CHANGE_WONT_FIT_IN_BUFFER; |
| } |
| |
| buffer.putLong(changeIndex, 0); |
| return BufferState.SOME_CHANGES_IN_BUFFER; |
| } |
| |
| private synchronized void set(final JRSUIConstants.Key key, final JRSUIConstants.DoubleValue value) { |
| final JRSUIConstants.DoubleValue existingValue = nativeMap.get(key); |
| |
| if (existingValue != null && existingValue.equals(value)) { |
| changes.remove(key); |
| return; |
| } |
| |
| changes.put(key, value); |
| } |
| |
| public void set(final JRSUIState state) { |
| state.apply(this); |
| } |
| |
| void setEncodedState(final long state) { |
| currentEncodedProperties = state; |
| } |
| |
| void set(final JRSUIConstants.Key key, final double value) { |
| set(key, new JRSUIConstants.DoubleValue(value)); |
| } |
| |
| // private static final Color blue = new Color(0x00, 0x00, 0xFF, 0x40); |
| // private static void paintDebug(Graphics2D g, double x, double y, double w, double h) { |
| // final Color prev = g.getColor(); |
| // g.setColor(blue); |
| // g.drawRect((int)x, (int)y, (int)w, (int)h); |
| // g.setColor(prev); |
| // } |
| |
| // private static int paintsWithNoChange = 0; |
| // private static int paintsWithChangesThatFit = 0; |
| // private static int paintsWithChangesThatOverflowed = 0; |
| |
| public void paint(final int[] data, final int imgW, final int imgH, final double x, final double y, final double w, final double h) { |
| paintImage(data, imgW, imgH, x, y, w, h); |
| priorEncodedProperties = currentEncodedProperties; |
| } |
| |
| private synchronized int paintImage(final int[] data, final int imgW, final int imgH, final double x, final double y, final double w, final double h) { |
| if (changes.isEmpty()) { |
| // paintsWithNoChange++; |
| return paintImage(data, imgW, imgH, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h); |
| } |
| |
| final ThreadLocalByteBuffer localByteBuffer = getThreadLocalBuffer(); |
| BufferState bufferState = loadBufferWithChanges(localByteBuffer); |
| |
| // fast tracking this, since it's the likely scenario |
| if (bufferState == BufferState.ALL_CHANGES_IN_BUFFER) { |
| // paintsWithChangesThatFit++; |
| return paintChangesImage(data, imgW, imgH, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, localByteBuffer.ptr); |
| } |
| |
| while (bufferState == BufferState.SOME_CHANGES_IN_BUFFER) { |
| final int status = syncChanges(cfDictionaryPtr, localByteBuffer.ptr); |
| if (status != SUCCESS) throw new RuntimeException("JRSUI failed to sync changes into the native buffer: " + this); |
| bufferState = loadBufferWithChanges(localByteBuffer); |
| } |
| |
| if (bufferState == BufferState.CHANGE_WONT_FIT_IN_BUFFER) { |
| throw new RuntimeException("JRSUI failed to sync changes to the native buffer, because some change was too big: " + this); |
| } |
| |
| // implicitly ALL_CHANGES_IN_BUFFER, now that we sync'd the buffer down to native a few times |
| // paintsWithChangesThatOverflowed++; |
| return paintChangesImage(data, imgW, imgH, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, localByteBuffer.ptr); |
| } |
| |
| public void paint(final long cgContext, final double x, final double y, final double w, final double h) { |
| paintToCGContext(cgContext, x, y, w, h); |
| priorEncodedProperties = currentEncodedProperties; |
| } |
| |
| private synchronized int paintToCGContext(final long cgContext, final double x, final double y, final double w, final double h) { |
| if (changes.isEmpty()) { |
| // paintsWithNoChange++; |
| return paintToCGContext(cgContext, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h); |
| } |
| |
| final ThreadLocalByteBuffer localByteBuffer = getThreadLocalBuffer(); |
| BufferState bufferState = loadBufferWithChanges(localByteBuffer); |
| |
| // fast tracking this, since it's the likely scenario |
| if (bufferState == BufferState.ALL_CHANGES_IN_BUFFER) { |
| // paintsWithChangesThatFit++; |
| return paintChangesToCGContext(cgContext, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, localByteBuffer.ptr); |
| } |
| |
| while (bufferState == BufferState.SOME_CHANGES_IN_BUFFER) { |
| final int status = syncChanges(cfDictionaryPtr, localByteBuffer.ptr); |
| if (status != SUCCESS) throw new RuntimeException("JRSUI failed to sync changes into the native buffer: " + this); |
| bufferState = loadBufferWithChanges(localByteBuffer); |
| } |
| |
| if (bufferState == BufferState.CHANGE_WONT_FIT_IN_BUFFER) { |
| throw new RuntimeException("JRSUI failed to sync changes to the native buffer, because some change was too big: " + this); |
| } |
| |
| // implicitly ALL_CHANGES_IN_BUFFER, now that we sync'd the buffer down to native a few times |
| // paintsWithChangesThatOverflowed++; |
| return paintChangesToCGContext(cgContext, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, localByteBuffer.ptr); |
| } |
| |
| |
| Hit getHitForPoint(final int x, final int y, final int w, final int h, final int hitX, final int hitY) { |
| sync(); |
| // reflect hitY about the midline of the control before sending to native |
| final Hit hit = JRSUIConstants.getHit(getNativeHitPart(cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, hitX, 2 * y + h - hitY)); |
| priorEncodedProperties = currentEncodedProperties; |
| return hit; |
| } |
| |
| void getPartBounds(final double[] rect, final int x, final int y, final int w, final int h, final int part) { |
| if (rect == null) throw new NullPointerException("Cannot load null rect"); |
| if (rect.length != 4) throw new IllegalArgumentException("Rect must have four elements"); |
| |
| sync(); |
| getNativePartBounds(rect, cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, part); |
| priorEncodedProperties = currentEncodedProperties; |
| } |
| |
| double getScrollBarOffsetChange(final int x, final int y, final int w, final int h, final int offset, final int visibleAmount, final int extent) { |
| sync(); |
| final double offsetChange = getNativeScrollBarOffsetChange(cfDictionaryPtr, priorEncodedProperties, currentEncodedProperties, x, y, w, h, offset, visibleAmount, extent); |
| priorEncodedProperties = currentEncodedProperties; |
| return offsetChange; |
| } |
| |
| private void sync() { |
| if (changes.isEmpty()) return; |
| |
| final ThreadLocalByteBuffer localByteBuffer = getThreadLocalBuffer(); |
| BufferState bufferState = loadBufferWithChanges(localByteBuffer); |
| if (bufferState == BufferState.ALL_CHANGES_IN_BUFFER) { |
| final int status = syncChanges(cfDictionaryPtr, localByteBuffer.ptr); |
| if (status != SUCCESS) throw new RuntimeException("JRSUI failed to sync changes into the native buffer: " + this); |
| return; |
| } |
| |
| while (bufferState == BufferState.SOME_CHANGES_IN_BUFFER) { |
| final int status = syncChanges(cfDictionaryPtr, localByteBuffer.ptr); |
| if (status != SUCCESS) throw new RuntimeException("JRSUI failed to sync changes into the native buffer: " + this); |
| bufferState = loadBufferWithChanges(localByteBuffer); |
| } |
| |
| if (bufferState == BufferState.CHANGE_WONT_FIT_IN_BUFFER) { |
| throw new RuntimeException("JRSUI failed to sync changes to the native buffer, because some change was too big: " + this); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| int bits = (int)(currentEncodedProperties ^ (currentEncodedProperties >>> 32)); |
| bits ^= nativeMap.hashCode(); |
| bits ^= changes.hashCode(); |
| return bits; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (!(obj instanceof JRSUIControl)) return false; |
| final JRSUIControl other = (JRSUIControl)obj; |
| if (currentEncodedProperties != other.currentEncodedProperties) return false; |
| if (!nativeMap.equals(other.nativeMap)) return false; |
| if (!changes.equals(other.changes)) return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder builder = new StringBuilder("JRSUIControl[inNative:"); |
| builder.append(Arrays.toString(nativeMap.entrySet().toArray())); |
| builder.append(", changes:"); |
| builder.append(Arrays.toString(changes.entrySet().toArray())); |
| builder.append("]"); |
| return builder.toString(); |
| } |
| } |