| /* |
| * Copyright (c) 2011, 2012, 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); |
| } |
| } |
| } |