| /******************************************************************************* |
| * Copyright (c) 2007, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.security.ui; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.equinox.internal.provisional.security.ui.AuthorizationManager; |
| import org.eclipse.jface.action.ControlContribution; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CLabel; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| /** |
| * This contribution item is used to create a visual cue that informs the |
| * user of bundles disabled in the system for signature validation reasons. |
| * |
| * It has the following functions: |
| * - Two levels of severity, represented by two distinct graphical icons |
| * - Visual notification when new user attention is required (e.g. throbbing) |
| * - An informational message when the user hovers over the icon |
| * - A right-click menu for contributing security related actions |
| * |
| * @since 3.4 |
| */ |
| public class SecurityStatusControl extends ControlContribution { |
| |
| private static final String IMAGE_PATH_OK = "/full/obj16/green.GIF"; //$NON-NLS-1$ |
| private static final String IMAGE_PATH_ERROR = "/full/obj16/red.GIF"; //$NON-NLS-1$ |
| private static final String IMAGE_PATH_DISABLED = "/full/obj16/red.GIF"; //$NON-NLS-1$ |
| private static final String IMAGE_PATH_UNKNOWN = "/full/obj16/red.GIF"; //$NON-NLS-1$ |
| |
| /* the default id for this Item */ |
| private static final String ID = "org.eclipse.ui.securityStatus"; //$NON-NLS-1$ |
| |
| private IWorkbenchWindow window; |
| private CLabel label; |
| |
| private IconState currentState; |
| |
| /** |
| * Creates the contribution item. |
| * |
| * @param window the window |
| */ |
| public SecurityStatusControl(IWorkbenchWindow window) { |
| this(window, ID); |
| } |
| |
| /** |
| * Creates the contribution item. |
| * |
| * @param window the window |
| * @param id the id |
| */ |
| public SecurityStatusControl(IWorkbenchWindow window, String id) { |
| super(id); |
| Assert.isNotNull(window); |
| this.window = window; |
| this.currentState = getCurrentState(); |
| } |
| |
| private static IconState getCurrentState() { |
| AuthorizationManager mgr = Activator.getAuthorizationManager(); |
| return new IconState(mgr.isEnabled(), mgr.getStatus(), mgr.needsAttention()); |
| } |
| |
| protected Control createControl(Composite parent) { |
| |
| label = new CLabel(parent, SWT.NONE); |
| label.setImage(getIcon(currentState)); |
| |
| Job updateJob = new Job(ID) { |
| public IStatus run(IProgressMonitor monitor) { |
| while (true) { |
| IconState newState = getCurrentState(); |
| if (!currentState.equals(newState)) { |
| final Display display = getDisplay(window); |
| if (null != display) |
| display.asyncExec(() -> { |
| if (!label.isDisposed()) { |
| Image oldIcon = label.getImage(); |
| label.setImage(getIcon(currentState)); |
| oldIcon.dispose(); |
| } |
| }); |
| currentState = newState; |
| } |
| try { |
| Thread.sleep(500); |
| } catch (InterruptedException e) { |
| break; |
| } |
| } |
| return null; |
| } |
| }; |
| updateJob.setSystem(true); |
| updateJob.setPriority(Job.DECORATE); |
| updateJob.schedule(); |
| |
| return label; |
| } |
| |
| public void dispose() { |
| Image currentImage = label.getImage(); |
| if (currentImage != null) { |
| currentImage.dispose(); |
| } |
| label.dispose(); |
| } |
| |
| protected static Image getIcon(IconState iconState) { |
| Image returnValue = null; |
| |
| if (iconState.isEnabled()) { |
| IStatus status = iconState.getStatus(); |
| ImageDescriptor imgDesc = null; |
| switch (status.getSeverity()) { |
| case IStatus.OK : |
| imgDesc = Activator.getImageDescriptor(IMAGE_PATH_OK); |
| break; |
| |
| case IStatus.ERROR : |
| imgDesc = Activator.getImageDescriptor(IMAGE_PATH_ERROR); |
| break; |
| |
| default : |
| imgDesc = Activator.getImageDescriptor(IMAGE_PATH_UNKNOWN); |
| break; |
| } |
| returnValue = imgDesc.createImage(); |
| //TODO: decorate for needsAttention |
| } else { |
| ImageDescriptor imgDesc = Activator.getImageDescriptor(IMAGE_PATH_DISABLED); |
| returnValue = imgDesc.createImage(); |
| } |
| return returnValue; |
| } |
| |
| private static Display getDisplay(IWorkbenchWindow window) { |
| if (null != window) { |
| Shell shell = window.getShell(); |
| if (null != shell) |
| return shell.getDisplay(); |
| } |
| return null; |
| } |
| |
| private static class IconState { |
| boolean enabled; |
| boolean needsAttention; |
| IStatus status; |
| |
| IconState(boolean enabled, IStatus status, boolean needsAttention) { |
| if (null == status) |
| throw new IllegalArgumentException(); |
| |
| this.enabled = enabled; |
| this.status = status; |
| this.needsAttention = needsAttention; |
| } |
| |
| public boolean isEnabled() { |
| return enabled; |
| } |
| |
| public IStatus getStatus() { |
| return status; |
| } |
| |
| @Override |
| public boolean equals(Object another) { |
| boolean returnValue = false; |
| if (another instanceof IconState) { |
| if (enabled == ((IconState) another).enabled) { |
| if (needsAttention == ((IconState) another).needsAttention) { |
| if (status.equals(((IconState) another).getStatus())) { |
| returnValue = true; |
| } |
| } |
| } |
| } |
| return returnValue; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Boolean.valueOf(enabled).hashCode() + status.hashCode() + Boolean.valueOf(needsAttention).hashCode(); |
| } |
| } |
| } |