| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.openapi.wm.impl; |
| |
| import java.awt.*; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| public class AWTUtilitiesWrapper { |
| |
| private static Class<?> awtUtilitiesClass; |
| private static Class<?> translucencyClass; |
| private static Method mIsTranslucencySupported, mIsTranslucencyCapable, mSetWindowShape, mSetWindowOpacity, mSetWindowOpaque; |
| public static Object PERPIXEL_TRANSPARENT, TRANSLUCENT, PERPIXEL_TRANSLUCENT; |
| |
| static void init() { |
| try { |
| awtUtilitiesClass = Class.forName("com.sun.awt.AWTUtilities"); |
| translucencyClass = Class.forName("com.sun.awt.AWTUtilities$Translucency"); |
| if (translucencyClass.isEnum()) { |
| Object[] kinds = translucencyClass.getEnumConstants(); |
| if (kinds != null) { |
| PERPIXEL_TRANSPARENT = kinds[0]; |
| TRANSLUCENT = kinds[1]; |
| PERPIXEL_TRANSLUCENT = kinds[2]; |
| } |
| } |
| mIsTranslucencySupported = awtUtilitiesClass.getMethod("isTranslucencySupported", translucencyClass); |
| mIsTranslucencyCapable = awtUtilitiesClass.getMethod("isTranslucencyCapable", GraphicsConfiguration.class); |
| mSetWindowShape = awtUtilitiesClass.getMethod("setWindowShape", Window.class, Shape.class); |
| mSetWindowOpacity = awtUtilitiesClass.getMethod("setWindowOpacity", Window.class, float.class); |
| mSetWindowOpaque = awtUtilitiesClass.getMethod("setWindowOpaque", Window.class, boolean.class); |
| } |
| catch (NoSuchMethodException ex) { |
| // ignore |
| } |
| catch (SecurityException ex) { |
| // ignore |
| } |
| catch (ClassNotFoundException ex) { |
| // ignore |
| } |
| } |
| |
| static { |
| init(); |
| } |
| |
| private static boolean isSupported(Method method, Object kind) { |
| if (awtUtilitiesClass == null || method == null) { |
| return false; |
| } |
| try { |
| Object ret = method.invoke(null, kind); |
| if (ret instanceof Boolean) { |
| return ((Boolean)ret).booleanValue(); |
| } |
| } |
| catch (IllegalAccessException ex) { |
| // ignore |
| } |
| catch (IllegalArgumentException ex) { |
| // ignore |
| } |
| catch (InvocationTargetException ex) { |
| // ignore |
| } |
| return false; |
| } |
| |
| public static boolean isTranslucencySupported(Object kind) { |
| if (!isTranslucencyAPISupported()) return false; |
| return isSupported(mIsTranslucencySupported, kind); |
| } |
| |
| public static boolean isTranslucencyAPISupported() { |
| return translucencyClass != null; |
| } |
| |
| public static boolean isTranslucencyCapable(GraphicsConfiguration gc) { |
| return isSupported(mIsTranslucencyCapable, gc); |
| } |
| |
| private static void set(Method method, Window window, Object value) { |
| if (awtUtilitiesClass == null || method == null) { |
| return; |
| } |
| try { |
| method.invoke(null, window, value); |
| } |
| catch (IllegalAccessException ex) { |
| // ignore |
| } |
| catch (IllegalArgumentException ex) { |
| // ignore |
| } |
| catch (InvocationTargetException ex) { |
| // ignore |
| } |
| } |
| |
| public static void setWindowShape(Window window, Shape shape) { |
| set(mSetWindowShape, window, shape); |
| } |
| |
| public static void setWindowOpacity(Window window, float opacity) { |
| set(mSetWindowOpacity, window, Float.valueOf(opacity)); |
| } |
| |
| public static void setWindowOpaque(Window window, boolean opaque) { |
| set(mSetWindowOpaque, window, Boolean.valueOf(opaque)); |
| } |
| } |