public static AccessibleContextInfo GetAccessibleContextInfo(Int32 vmID, IntPtr ac)
{
AccessibleContextInfo aci = new AccessibleContextInfo(); //This will be the info that we return.
// Allocate global memory space for the size of AccessibleContextInfo and store the address in acPtr
IntPtr acPtr = Marshal.AllocHGlobal(Marshal.SizeOf(new AccessibleContextInfo()));
try
{
//Convert the pointer to an actual object.
Marshal.StructureToPtr(new AccessibleContextInfo(), acPtr, true);
//getAccessibleContextInfo() returns true or false, depending on whether it succeeds.
if (JabApi.getAccessibleContextInfo(vmID, ac, acPtr))
{
aci = (AccessibleContextInfo)Marshal.PtrToStructure(acPtr, typeof(AccessibleContextInfo));
//Check that the info isn't null, and then return.
if (!ReferenceEquals(aci, null))
{
return(aci);
}
}
}
catch
{
return(new AccessibleContextInfo());
}
return(new AccessibleContextInfo());
}
public static AccessibleTreeItem GetComponentTree(IntPtr hWnd, out Int32 vmID)
{
screenContents.Clear();
screenContentsString = string.Empty;
AccessibleTreeItem accessibleTreeItem = new AccessibleTreeItem();
vmID = 0;
if (JabApi.isJavaWindow(hWnd) == 1)
{
unsafe
{
IntPtr acPtr;
if (JabApi.getAccessibleContextFromHWND(hWnd, out vmID, out acPtr))
{
AccessibleContextInfo ac = new AccessibleContextInfo();
accessibleTreeItem = GetAccessibleContextInfo(vmID, acPtr, out ac, null, 0, string.Empty); // RECURSION SEED
return(accessibleTreeItem);
}
}
}
return(null);
}
// 追加分
public static Boolean GetAccessibleActions(Int32 vmID, IntPtr AccessibleContext, out AccessibleActions accessibleActions)
{
accessibleActions = new AccessibleActions();
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(accessibleActions));
Marshal.StructureToPtr(accessibleActions, ptr, true);
Boolean ret = JabApi.getAccessibleActions(vmID, AccessibleContext, ptr);
accessibleActions = (AccessibleActions)Marshal.PtrToStructure(ptr, typeof(AccessibleActions));
return(ret);
}
public static AccessibleTextItemsInfo GetAccessibleTextInfo(Int32 vmID, IntPtr ac)
{
//Reserve memory
IntPtr ati = Marshal.AllocHGlobal(Marshal.SizeOf(new AccessibleTextItemsInfo()));
//Call DLL.
JabApi.getAccessibleTextItems(vmID, ac, ati, 0);
//Creat object
AccessibleTextItemsInfo atInfo = (AccessibleTextItemsInfo)Marshal.PtrToStructure(ati, typeof(AccessibleTextItemsInfo));
//Free memory
if (ati != IntPtr.Zero)
{
Marshal.FreeHGlobal(ati);
}
return(atInfo);
}
public static Boolean DoAccessibleActions(Int32 vmID, IntPtr AccessibleContext, string action)
{
AccessibleActionsToDo actionTodo = new AccessibleActionsToDo();
actionTodo.actionsCount = 1;
actionTodo.actions = new AccessibleActionInfo[32];
actionTodo.actions[0].name = action;
IntPtr ptrActionTodo = Marshal.AllocHGlobal(Marshal.SizeOf(actionTodo));
Marshal.StructureToPtr(actionTodo, ptrActionTodo, true);
Int32 failure = -1;
Boolean ret = JabApi.doAccessibleActions(vmID, AccessibleContext, ptrActionTodo, ref failure);
if (failure >= 0)
{
return(false);
}
return(ret);
}
private static AccessibleTreeItem GetAccessibleContextInfo(Int32 vmID, IntPtr currentPtr, out AccessibleContextInfo currentContext, AccessibleTreeItem parentItem, int level, string lineage)
{
unsafe
{
// Allocate global memory space for the size of AccessibleContextInfo and store the address in acPtr
IntPtr acPtr = Marshal.AllocHGlobal(Marshal.SizeOf(new AccessibleContextInfo()));
try
{
Marshal.StructureToPtr(new AccessibleContextInfo(), acPtr, true);
if (JabApi.getAccessibleContextInfo(vmID, currentPtr, acPtr))
{
currentContext = (AccessibleContextInfo)Marshal.PtrToStructure(acPtr, typeof(AccessibleContextInfo));
if (!ReferenceEquals(currentContext, null))
{
AccessibleTreeItem newItem = BuildAccessibleTree(currentContext, parentItem);
if (!ReferenceEquals(newItem, null))
{
//Checks to see if current object has any text items.
if (currentContext.accessibleText == true)
{
AccessibleTextItemsInfo textItem;
//Gets text items.
textItem = GetAccessibleTextInfo(vmID, currentPtr);
newItem.textValue = textItem.sentence;
string treeInfo = Repeat("\t", level) + currentContext.name + " = \"" + textItem.sentence + "\"";
screenContentsString += treeInfo + Environment.NewLine;
Debug.Print(treeInfo);
}
else
{
string treeInfo = Repeat("\t", level) + currentContext.name;
screenContentsString += treeInfo + Environment.NewLine;
Debug.Print(treeInfo);
}
//Start collecting children
int nextLevel = level + 1;
for (int i = 0; i < currentContext.childrenCount; i++)
{
string lineageInfo = Repeat("\t", level) + level.ToString() + " Child " + i.ToString() + " Lineage = {" + lineage + "}";
screenContentsString += lineageInfo + Environment.NewLine;
Debug.Print(lineageInfo);
string currentlineage;
if (lineage == string.Empty)
{
currentlineage = i.ToString();
}
else
{
currentlineage = lineage + ", " + i.ToString();
}
if (currentContext.role_en_US != "unknown" && currentContext.states_en_US.Contains("visible")) // Note the optomization here, I found this get me to an acceptable speed
{
AccessibleContextInfo childContext = new AccessibleContextInfo();
IntPtr childPtr = JabApi.getAccessibleChildFromContext(vmID, currentPtr, i);
GetAccessibleContextInfo(vmID, childPtr, out childContext, newItem, nextLevel, currentlineage);
//TODO: Not sure when or where to release the java objects, the JVM will leak memory until released
//JabApi.releaseJavaObject(vmID, childPtr);
}
}
}
return(newItem);
}
}
else
{
currentContext = new AccessibleContextInfo();
}
}
finally
{
if (acPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(acPtr);
}
//TODO: Not sure when or where to release the java objects, the JVM will leak memory until released
//JabApi.releaseJavaObject(vmID, currentPtr);
}
}
return(null);
}
// Windows_runはメッセージポンプが必要
// https://stackoverflow.com/questions/50582769/windowsaccessbridge-for-java-automation-using-c-sharp
public static void Init()
{
JabApi.Windows_run();
DoEvents();
}
