| /******************************************************************************* |
| * Copyright (c) 2007, 2008 IBM Corporation 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: |
| * Takashi ITOH - initial API and implementation |
| * Kentarou FUKUDA - initial API and implementation |
| * Daisuke SATO - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.actf.model.flash.util; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.actf.model.flash.FlashPlayerFactory; |
| import org.eclipse.actf.model.flash.IFlashPlayer; |
| import org.eclipse.actf.util.win32.FlashMSAAObject; |
| import org.eclipse.actf.util.win32.FlashMSAAObjectFactory; |
| import org.eclipse.actf.util.win32.WindowUtil; |
| import org.eclipse.actf.util.win32.comclutch.ComService; |
| import org.eclipse.actf.util.win32.comclutch.IDispatch; |
| import org.eclipse.actf.util.win32.comclutch.IServiceProvider; |
| import org.eclipse.actf.util.win32.comclutch.IUnknown; |
| import org.eclipse.actf.util.win32.msaa.MSAA; |
| |
| /** |
| * Utility class for accessible objects of Flash. |
| */ |
| public class FlashMSAAUtil { |
| |
| private static boolean SCAN_ALL = false; |
| private static boolean SHOW_OFFSCREEN = false; |
| |
| public static boolean isFlash(int iacc) { |
| FlashMSAAObject acc = FlashMSAAObjectFactory |
| .getFlashMSAAObjectFromPtr(iacc); |
| return isFlash(acc); |
| } |
| |
| public static boolean isInvisibleFlash(int iacc) { |
| FlashMSAAObject acc = FlashMSAAObjectFactory |
| .getFlashMSAAObjectFromPtr(iacc); |
| return isInvisibleFlash(acc); |
| } |
| |
| public static IFlashPlayer[] getFlashPlayers(int hwnd) { |
| return getFlashPlayers(hwnd, SHOW_OFFSCREEN, SCAN_ALL); |
| } |
| |
| public static IFlashPlayer[] getFlashPlayers(int hwnd, |
| boolean showOffScreen, boolean scanAll) { |
| FlashMSAAObject acc = FlashMSAAObjectFactory |
| .getFlashMSAAObjectFromWindow(hwnd); |
| FlashMSAAObject[] accs = getFlashElements(acc, showOffScreen, scanAll); |
| IFlashPlayer[] ret = new IFlashPlayer[accs.length]; |
| for (int i = 0; i < accs.length; i++) { |
| ret[i] = FlashPlayerFactory.getPlayerFromObject(accs[i]); |
| } |
| return ret; |
| } |
| |
| /** |
| * @param accObject |
| * the accessible object to be checked. |
| * @return whether the <i>accObject</i> is a Flash object or not. |
| */ |
| public static boolean isFlash(FlashMSAAObject accObject) { |
| return isFlashClass(accObject.getClassName()) |
| || isInvisibleFlash(accObject); |
| } |
| |
| /** |
| * @param accObject |
| * the accessible object to be checked. |
| * @return whether the <i>accObject</i> is an invisible Flash object or |
| * not. Invisible means that the Flash object is in window-less |
| * mode. |
| */ |
| public static boolean isInvisibleFlash(FlashMSAAObject accObject) { |
| if (MSAA.ROLE_SYSTEM_CLIENT == accObject.getAccRole()) { |
| String description = accObject.getAccDescription(); |
| if (null != description && description.startsWith("PLUGIN: type=")) { //$NON-NLS-1$ |
| return null != FlashMSAAUtil.getHtmlAttribute(accObject, |
| "WMode"); //$NON-NLS-1$ |
| } |
| } |
| return false; |
| } |
| |
| public static boolean isFlashClass(String className) { |
| return "MacromediaFlashPlayerActiveX".equals(className) || //$NON-NLS-1$ |
| "ShockwaveFlashPlugin".equals(className); //$NON-NLS-1$ |
| } |
| |
| /** |
| * @param root |
| * the root element to be used to obtain its children. |
| * @return the children of the <i>inputElement</i>. It is same as |
| * getFlashElements(inputElement, false, false). |
| */ |
| public static FlashMSAAObject[] getFlashElements(FlashMSAAObject root) { |
| return getFlashElements(root, SHOW_OFFSCREEN, SCAN_ALL); |
| } |
| |
| /** |
| * @param root |
| * the root element to be traversed to collect Flash objects. |
| * @param showOffScreen |
| * whether the objects being off screen are collected or not. |
| * @param scanAll |
| * whether the window-less Flash objects are collected or not. |
| * @return the collected Flash objects. |
| */ |
| public static FlashMSAAObject[] getFlashElements(FlashMSAAObject root, |
| boolean showOffScreen, boolean scanAll) { |
| FlashFinder finder = new FlashFinder(); |
| finder.find(root, showOffScreen, scanAll); |
| return finder.getResults(); |
| } |
| |
| /** |
| * @return the scan mode of Flash finder. If it is true then the window-less |
| * Flash objects are also collected. |
| */ |
| public static boolean isScanAll() { |
| return SCAN_ALL; |
| } |
| |
| /** |
| * @param scan_all |
| * the scan mode of Flash finder. If it is true then the |
| * window-less Flash objects are also collected. |
| */ |
| public static void setScanAll(boolean scan_all) { |
| SCAN_ALL = scan_all; |
| } |
| |
| /** |
| * @return the scan mode of Flash finder. If it is true then the off screen |
| * objects are also collected. |
| */ |
| public static boolean isShowOffscreen() { |
| return SHOW_OFFSCREEN; |
| } |
| |
| /** |
| * @param show_offscreen |
| * the scan mode of Flash finder. If it is true then the off |
| * screen objects are also collected. |
| */ |
| public static void setShowOffscreen(boolean show_offscreen) { |
| SHOW_OFFSCREEN = show_offscreen; |
| } |
| |
| private static class FlashFinder { |
| private boolean showOffScreen = false; |
| |
| private List<FlashMSAAObject> result = new ArrayList<FlashMSAAObject>(); |
| |
| public void find(FlashMSAAObject accObject, boolean showOffScreen, |
| boolean scanAll) { |
| this.showOffScreen = showOffScreen; |
| if (scanAll || 0 != findFlashWindow((int) accObject.getWindow())) { |
| findChildren(accObject); |
| } |
| } |
| |
| private static int findFlashWindow(int hwnd) { |
| if (0 != hwnd) { |
| if (FlashMSAAUtil.isFlashClass(WindowUtil |
| .GetWindowClassName(hwnd))) { |
| return hwnd; |
| } |
| for (int hwndChild = WindowUtil.GetChildWindow(hwnd); 0 != hwndChild; hwndChild = WindowUtil |
| .GetNextWindow(hwndChild)) { |
| int hwndFound = findFlashWindow(hwndChild); |
| if (0 != hwndFound) { |
| return hwndFound; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| private void findChildren(FlashMSAAObject[] inputElements) { |
| for (int i = 0; i < inputElements.length; i++) { |
| findChildren((FlashMSAAObject) inputElements[i]); |
| } |
| } |
| |
| private void findChildren(FlashMSAAObject accObject) { |
| if (null != accObject) { |
| int role = accObject.getAccRole(); |
| if ((MSAA.ROLE_SYSTEM_WINDOW == role || MSAA.ROLE_SYSTEM_CLIENT == role) |
| && FlashMSAAUtil.isFlash(accObject)) { |
| result.add(accObject); |
| } else { |
| switch (accObject.getAccState() |
| & (MSAA.STATE_INVISIBLE | MSAA.STATE_OFFSCREEN)) { |
| case MSAA.STATE_INVISIBLE | MSAA.STATE_OFFSCREEN: |
| if (!showOffScreen) |
| break; |
| case 0: |
| findChildren(accObject.getChildren()); |
| break; |
| } |
| } |
| } |
| } |
| |
| public FlashMSAAObject[] getResults() { |
| FlashMSAAObject[] resultArray = new FlashMSAAObject[result.size()]; |
| return result.toArray(resultArray); |
| } |
| |
| } |
| |
| public static IDispatch getHtmlElementFromPtr(int iacc) { |
| FlashMSAAObject acc = FlashMSAAObjectFactory |
| .getFlashMSAAObjectFromPtr(iacc); |
| return getHtmlElementFromObject(acc); |
| } |
| |
| public static String getHtmlAttribute(int iacc, String name) { |
| FlashMSAAObject acc = FlashMSAAObjectFactory |
| .getFlashMSAAObjectFromPtr(iacc); |
| return getHtmlAttribute(acc, name); |
| } |
| |
| /** |
| * @param objUnknown |
| * the object to be used to obtain the interface of HTML element. |
| * It must be an instance of IAccessibleObject or an instance of |
| * IUnknown |
| * @return the HTML element interface of the <i>objUnknown</i>. |
| * @see IAccessibleObject |
| * @see IUnknown |
| */ |
| public static IDispatch getHtmlElementFromObject(Object objUnknown) { |
| if (objUnknown instanceof FlashMSAAObject) { |
| objUnknown = ((FlashMSAAObject) objUnknown).getIAccessible(); |
| } |
| if (objUnknown instanceof IUnknown) { |
| IServiceProvider sp = (IServiceProvider) ((IUnknown) objUnknown) |
| .queryInterface(IUnknown.IID_IServiceProvider); |
| if (sp == null) |
| return null; |
| IUnknown idisp = null; |
| try { |
| idisp = sp.queryService(IUnknown.IID_IHTMLElement, |
| IUnknown.IID_IHTMLElement); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| if (idisp == null) |
| return null; |
| return ComService.newIDispatch(idisp); |
| } |
| return null; |
| } |
| |
| /** |
| * @param objUnknown |
| * the object to be used to obtain the interface of HTML element. |
| * It must be an instance of IAccessibleObject or an instance of |
| * IUnknown |
| * @param name |
| * the attribute name to be used. |
| * @return the attribute value string. |
| * @see #getHtmlElementFromObject(Object) |
| */ |
| private static String getHtmlAttribute(Object objUnknown, String name) { |
| IDispatch varElement = getHtmlElementFromObject(objUnknown); |
| if (varElement == null) |
| return null; |
| try { |
| return (String) varElement.get(name); |
| } catch (Exception e) { |
| } |
| return null; |
| } |
| |
| } |