--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/macosx/classes/apple/laf/JRSUIState.java Tue Mar 06 20:34:38 2012 +0000
@@ -0,0 +1,264 @@
+/*
+ * Copyright (c) 2011, 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 apple.laf.JRSUIConstants.*;
+
+@SuppressWarnings("unchecked")
+public class JRSUIState {
+// static HashSet<JRSUIState> states = new HashSet<JRSUIState>();
+
+ final long encodedState;
+ long derivedEncodedState;
+
+ static JRSUIState prototype = new JRSUIState(0);
+ public static JRSUIState getInstance() {
+ return prototype.derive();
+ }
+
+ JRSUIState(final Widget widget) {
+ this(widget.apply(0));
+ }
+
+ JRSUIState(final long encodedState) {
+ this.encodedState = derivedEncodedState = encodedState;
+ }
+
+ boolean isDerivationSame() {
+ return encodedState == derivedEncodedState;
+ }
+
+ public <T extends JRSUIState> T derive() {
+ if (isDerivationSame()) return (T)this;
+ final T derivation = (T)createDerivation();
+
+// if (!states.add(derivation)) {
+// System.out.println("dupe: " + states.size());
+// }
+
+ return derivation;
+ }
+
+ public <T extends JRSUIState> T createDerivation() {
+ return (T)new JRSUIState(derivedEncodedState);
+ }
+
+ public void reset() {
+ derivedEncodedState = encodedState;
+ }
+
+ public void set(final Property property) {
+ derivedEncodedState = property.apply(derivedEncodedState);
+ }
+
+ public void apply(final JRSUIControl control) {
+ control.setEncodedState(encodedState);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (!(obj instanceof JRSUIState)) return false;
+ return encodedState == ((JRSUIState)obj).encodedState && getClass().equals(obj.getClass());
+ }
+
+ public boolean is(Property property) {
+ return (byte)((derivedEncodedState & property.encoding.mask) >> property.encoding.shift) == property.ordinal;
+ }
+
+ @Override
+ public int hashCode() {
+ return (int)(encodedState ^ (encodedState >>> 32)) ^ getClass().hashCode();
+ }
+
+ public static class AnimationFrameState extends JRSUIState {
+ final int animationFrame;
+ int derivedAnimationFrame;
+
+ AnimationFrameState(final long encodedState, final int animationFrame) {
+ super(encodedState);
+ this.animationFrame = derivedAnimationFrame = animationFrame;
+ }
+
+ @Override
+ boolean isDerivationSame() {
+ return super.isDerivationSame() && (animationFrame == derivedAnimationFrame);
+ }
+
+ @Override
+ public <T extends JRSUIState> T createDerivation() {
+ return (T)new AnimationFrameState(derivedEncodedState, derivedAnimationFrame);
+ }
+
+ @Override
+ public void reset() {
+ super.reset();
+ derivedAnimationFrame = animationFrame;
+ }
+
+ public void setAnimationFrame(final int frame) {
+ this.derivedAnimationFrame = frame;
+ }
+
+ @Override
+ public void apply(final JRSUIControl control) {
+ super.apply(control);
+ control.set(Key.ANIMATION_FRAME, animationFrame);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (!(obj instanceof AnimationFrameState)) return false;
+ return animationFrame == ((AnimationFrameState)obj).animationFrame && super.equals(obj);
+ }
+
+ @Override
+ public int hashCode() {
+ return super.hashCode() ^ animationFrame;
+ }
+ }
+
+ public static class ValueState extends JRSUIState {
+ final double value;
+ double derivedValue;
+
+ ValueState(final long encodedState, final double value) {
+ super(encodedState);
+ this.value = derivedValue = value;
+ }
+
+ @Override
+ boolean isDerivationSame() {
+ return super.isDerivationSame() && (value == derivedValue);
+ }
+
+ @Override
+ public <T extends JRSUIState> T createDerivation() {
+ return (T)new ValueState(derivedEncodedState, derivedValue);
+ }
+
+ @Override
+ public void reset() {
+ super.reset();
+ derivedValue = value;
+ }
+
+ public void setValue(final double value) {
+ derivedValue = value;
+ }
+
+ @Override
+ public void apply(final JRSUIControl control) {
+ super.apply(control);
+ control.set(Key.VALUE, value);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (!(obj instanceof ValueState)) return false;
+ return value == ((ValueState)obj).value && super.equals(obj);
+ }
+
+ @Override
+ public int hashCode() {
+ final long bits = Double.doubleToRawLongBits(value);
+ return super.hashCode() ^ (int)bits ^ (int)(bits >>> 32);
+ }
+ }
+
+ public static class TitleBarHeightState extends ValueState {
+ TitleBarHeightState(final long encodedState, final double value) {
+ super(encodedState, value);
+ }
+
+ @Override
+ public <T extends JRSUIState> T createDerivation() {
+ return (T)new TitleBarHeightState(derivedEncodedState, derivedValue);
+ }
+
+ @Override
+ public void apply(final JRSUIControl control) {
+ super.apply(control);
+ control.set(Key.WINDOW_TITLE_BAR_HEIGHT, value);
+ }
+ }
+
+ public static class ScrollBarState extends ValueState {
+ final double thumbProportion;
+ double derivedThumbProportion;
+ final double thumbStart;
+ double derivedThumbStart;
+
+ ScrollBarState(final long encodedState, final double value, final double thumbProportion, final double thumbStart) {
+ super(encodedState, value);
+ this.thumbProportion = derivedThumbProportion = thumbProportion;
+ this.thumbStart = derivedThumbStart = thumbStart;
+ }
+
+ @Override
+ boolean isDerivationSame() {
+ return super.isDerivationSame() && (thumbProportion == derivedThumbProportion) && (thumbStart == derivedThumbStart);
+ }
+
+ @Override
+ public <T extends JRSUIState> T createDerivation() {
+ return (T)new ScrollBarState(derivedEncodedState, derivedValue, derivedThumbProportion, derivedThumbStart);
+ }
+
+ @Override
+ public void reset() {
+ super.reset();
+ derivedThumbProportion = thumbProportion;
+ derivedThumbStart = thumbStart;
+ }
+
+ public void setThumbPercent(final double thumbPercent) {
+ derivedThumbProportion = thumbPercent;
+ }
+
+ public void setThumbStart(final double thumbStart) {
+ derivedThumbStart = thumbStart;
+ }
+
+ @Override
+ public void apply(final JRSUIControl control) {
+ super.apply(control);
+ control.set(Key.THUMB_PROPORTION, thumbProportion);
+ control.set(Key.THUMB_START, thumbStart);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (!(obj instanceof ScrollBarState)) return false;
+ return (thumbProportion == ((ScrollBarState)obj).thumbProportion) && (thumbStart == ((ScrollBarState)obj).thumbStart) && super.equals(obj);
+ }
+
+ @Override
+ public int hashCode() {
+ final long bits = Double.doubleToRawLongBits(thumbProportion) ^ Double.doubleToRawLongBits(thumbStart);
+ return super.hashCode() ^ (int)bits ^ (int)(bits >>> 32);
+ }
+ }
+}