1 files changed, 159 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.ui.notifications/src/org/eclipse/tcf/te/ui/notifications/internal/popup/AnimationUtil.java b/target_explorer/plugins/org.eclipse.tcf.te.ui.notifications/src/org/eclipse/tcf/te/ui/notifications/internal/popup/AnimationUtil.java
new file mode 100644
index 000000000..cffee0f20
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.ui.notifications/src/org/eclipse/tcf/te/ui/notifications/internal/popup/AnimationUtil.java
@@ -0,0 +1,159 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2013 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *     Wind River Systems - Extracted from o.e.mylyn.commons and adapted for Target Explorer
+ *******************************************************************************/
+
+package org.eclipse.tcf.te.ui.notifications.internal.popup;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.tcf.te.ui.notifications.nls.Messages;
+
+/**
+ * @author Mik Kersten
+ * @author Steffen Pingel
+ */
+public class AnimationUtil {
+
+	public static final long FADE_RESCHEDULE_DELAY = 80;
+
+	public static final int FADE_IN_INCREMENT = 15;
+
+	public static final int FADE_OUT_INCREMENT = -20;
+
+	public static FadeJob fastFadeIn(Shell shell, IFadeListener listener) {
+		return new FadeJob(shell, 2 * FADE_IN_INCREMENT, FADE_RESCHEDULE_DELAY, listener);
+	}
+
+	public static FadeJob fadeIn(Shell shell, IFadeListener listener) {
+		return new FadeJob(shell, FADE_IN_INCREMENT, FADE_RESCHEDULE_DELAY, listener);
+	}
+
+	public static FadeJob fadeOut(Shell shell, IFadeListener listener) {
+		return new FadeJob(shell, FADE_OUT_INCREMENT, FADE_RESCHEDULE_DELAY, listener);
+	}
+
+	public static class FadeJob extends Job {
+
+		/* default */ final Shell shell;
+
+		private final int increment;
+
+		/* default */ volatile boolean stopped;
+
+		/* default */ volatile int currentAlpha;
+
+		private final long delay;
+
+		/* default */ final IFadeListener fadeListener;
+
+		public FadeJob(Shell shell, int increment, long delay, IFadeListener fadeListener) {
+			super(Messages.SwtUtil_Fading);
+			if (increment < -255 || increment == 0 || increment > 255) {
+				throw new IllegalArgumentException("-255 <= increment <= 255 && increment != 0"); //$NON-NLS-1$
+			}
+			if (delay < 1) {
+				throw new IllegalArgumentException("delay must be > 0"); //$NON-NLS-1$
+			}
+			this.currentAlpha = shell.getAlpha();
+			this.shell = shell;
+			this.increment = increment;
+			this.delay = delay;
+			this.fadeListener = fadeListener;
+
+			setSystem(true);
+			schedule(delay);
+		}
+
+		@Override
+		protected void canceling() {
+			stopped = true;
+		}
+
+		private void reschedule() {
+			if (stopped) {
+				return;
+			}
+			schedule(delay);
+		}
+
+		public void cancelAndWait(final boolean setAlpha) {
+			if (stopped) {
+				return;
+			}
+			cancel();
+			Display.getDefault().syncExec(new Runnable() {
+				@Override
+                public void run() {
+					if (setAlpha) {
+						shell.setAlpha(getLastAlpha());
+					}
+				}
+			});
+		}
+
+		@Override
+		protected IStatus run(IProgressMonitor monitor) {
+			if (stopped) {
+				return Status.OK_STATUS;
+			}
+
+			currentAlpha += increment;
+			if (currentAlpha <= 0) {
+				currentAlpha = 0;
+			} else if (currentAlpha >= 255) {
+				currentAlpha = 255;
+			}
+
+			Display.getDefault().syncExec(new Runnable() {
+				@Override
+                public void run() {
+					if (stopped) {
+						return;
+					}
+
+					if (shell.isDisposed()) {
+						stopped = true;
+						return;
+					}
+
+					shell.setAlpha(currentAlpha);
+
+					if (fadeListener != null) {
+						fadeListener.faded(shell, currentAlpha);
+					}
+				}
+			});
+
+			if (currentAlpha == 0 || currentAlpha == 255) {
+				stopped = true;
+			}
+
+			reschedule();
+			return Status.OK_STATUS;
+		}
+
+		/* default */ int getLastAlpha() {
+			return (increment < 0) ? 0 : 255;
+		}
+
+	}
+
+	public static interface IFadeListener {
+
+		public void faded(Shell shell, int alpha);
+
+	}
+
+}