auto import from //depot/cupcake/@135843

1 files changed, 154 insertions, 0 deletions

diff --git a/awt/org/apache/harmony/awt/ContextStorage.java b/awt/org/apache/harmony/awt/ContextStorage.java
new file mode 100644
index 0000000..d44648a
--- /dev/null
+++ b/awt/org/apache/harmony/awt/ContextStorage.java
@@ -0,0 +1,154 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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.
+ */
+/**
+ * @author Pavel Dolgov
+ * @version $Revision$
+ */
+package org.apache.harmony.awt;
+
+import java.awt.*;
+
+//???AWT
+//import org.apache.harmony.awt.datatransfer.*;
+import org.apache.harmony.awt.internal.nls.Messages;
+import org.apache.harmony.awt.wtk.*;
+
+
+public final class ContextStorage {
+
+    private static volatile boolean multiContextMode = false;
+    private volatile boolean shutdownPending = false;
+
+    private static final ContextStorage globalContext = new ContextStorage();
+
+    private Toolkit toolkit;
+    private ComponentInternals componentInternals;
+    //???AWT: private DTK dtk;
+    private WTK wtk;
+    private GraphicsEnvironment graphicsEnvironment;
+
+    private class ContextLock {}
+    private final Object contextLock = new ContextLock();
+    private final Synchronizer synchronizer = new Synchronizer();
+
+    public static void activateMultiContextMode() {
+        // TODO: checkPermission
+        multiContextMode = true;
+    }
+
+    public static void setDefaultToolkit(Toolkit newToolkit) {
+        // TODO: checkPermission
+        getCurrentContext().toolkit = newToolkit;
+    }
+
+    public static Toolkit getDefaultToolkit() {
+        return getCurrentContext().toolkit;
+    }
+
+    //???AWT
+    /*
+    public static void setDTK(DTK dtk) {
+        // TODO: checkPermission
+        getCurrentContext().dtk = dtk;
+    }
+
+    public static DTK getDTK() {
+        return getCurrentContext().dtk;
+    }
+    */
+
+    public static Synchronizer getSynchronizer() {
+        return getCurrentContext().synchronizer;
+    }
+
+    public static ComponentInternals getComponentInternals() {
+        return getCurrentContext().componentInternals;
+    }
+
+    static void setComponentInternals(ComponentInternals internals) {
+        // TODO: checkPermission
+        getCurrentContext().componentInternals = internals;
+    }
+
+    public static Object getContextLock() {
+        return getCurrentContext().contextLock;
+    }
+
+    public static WindowFactory getWindowFactory() {
+        return getCurrentContext().wtk.getWindowFactory();
+    }
+
+    public static void setWTK(WTK wtk) {
+        getCurrentContext().wtk = wtk;
+    }
+
+    public static NativeIM getNativeIM() {
+        return getCurrentContext().wtk.getNativeIM();
+    }
+
+    public static NativeEventQueue getNativeEventQueue() {
+        return getCurrentContext().wtk.getNativeEventQueue();
+    }
+
+    public static GraphicsEnvironment getGraphicsEnvironment() {
+        return getCurrentContext().graphicsEnvironment;
+    }
+
+    public static void setGraphicsEnvironment(GraphicsEnvironment environment) {
+        getCurrentContext().graphicsEnvironment = environment;
+    }
+
+    private static ContextStorage getCurrentContext() {
+        return multiContextMode ? getContextThreadGroup().context : globalContext;
+    }
+
+    private static ContextThreadGroup getContextThreadGroup() {
+
+        Thread thread = Thread.currentThread();
+        ThreadGroup group = thread.getThreadGroup();
+        while (group != null) {
+            if (group instanceof ContextThreadGroup) {
+                return (ContextThreadGroup)group;
+            }
+            group = group.getParent();
+        }
+        // awt.59=Application has run out of context thread group
+        throw new RuntimeException(Messages.getString("awt.59")); //$NON-NLS-1$
+    }
+    
+    public static boolean shutdownPending() {
+        return getCurrentContext().shutdownPending;
+    }
+
+    void shutdown() {
+        if (!multiContextMode) {
+            return;
+        }
+        shutdownPending = true;
+
+        //???AWT: componentInternals.shutdown();
+
+        synchronized(contextLock) {
+            toolkit = null;
+            componentInternals = null;
+            //???AWT: dtk = null;
+            wtk = null;
+            graphicsEnvironment = null;
+        }
+    }
+    
+}