mirror of
https://github.com/greenshot/greenshot
synced 2025-08-21 14:03:23 -07:00
Some fixes for capturing those nasty Apps, code is not finished yet!
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2267 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom
parent
1587b0298c
commit
f006718d2a
5 changed files with 228 additions and 51 deletions
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@ -57,6 +57,9 @@ namespace Greenshot.Interop {
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#endregion
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[DllImport("ole32.dll")]
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static extern int ProgIDFromCLSID([In] ref Guid clsid, [MarshalAs(UnmanagedType.LPWStr)] out string lplpszProgID);
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// Converts failure HRESULTs to exceptions:
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[DllImport("oleaut32", PreserveSig=false)]
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static extern void GetActiveObject(ref Guid rclsid, IntPtr pvReserved, [MarshalAs(UnmanagedType.IUnknown)] out Object ppunk);
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#region Construction
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@ -81,35 +84,102 @@ namespace Greenshot.Interop {
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}
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string progId = progIDAttribute.Value;
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object comObject = null;
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// Convert from clsid to Prog ID, if needed
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if (progId.StartsWith("clsid:")) {
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Guid guid = new Guid(progId.Substring(6));
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int result = ProgIDFromCLSID(ref guid, out progId);
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if (result != 0) {
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LOG.WarnFormat("Error {0} getting progId {1}", result, progIDAttribute.Value);
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// Restore progId, as it's overwritten
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progId = progIDAttribute.Value;
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try {
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GetActiveObject(ref guid, IntPtr.Zero, out comObject);
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} catch (Exception) {
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LOG.WarnFormat("Error {0} getting instance for class id {1}", result, progIDAttribute.Value);
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}
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if (comObject == null) {
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LOG.WarnFormat("Error {0} getting progId {1}", result, progIDAttribute.Value);
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}
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} else {
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LOG.InfoFormat("Mapped {0} to progId {1}", progIDAttribute.Value, progId);
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}
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}
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object comObject = null;
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try {
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comObject = Marshal.GetActiveObject(progId);
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} catch (COMException comE) {
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if (comE.ErrorCode == MK_E_UNAVAILABLE) {
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LOG.DebugFormat("No current instance of {0} object available.", progId);
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} else if (comE.ErrorCode == CO_E_CLASSSTRING) {
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LOG.WarnFormat("Unknown progId {0}", progId);
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} else {
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LOG.Warn("Error getting active object for " + progId, comE);
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if (comObject == null) {
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try {
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comObject = Marshal.GetActiveObject(progId);
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} catch (COMException comE) {
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if (comE.ErrorCode == MK_E_UNAVAILABLE) {
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LOG.DebugFormat("No current instance of {0} object available.", progId);
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} else if (comE.ErrorCode == CO_E_CLASSSTRING) {
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LOG.WarnFormat("Unknown progId {0}", progId);
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} else {
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LOG.Warn("Error getting active object for " + progIDAttribute.Value, comE);
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}
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} catch (Exception e) {
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LOG.Warn("Error getting active object for " + progIDAttribute.Value, e);
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}
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} catch (Exception e) {
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LOG.Warn("Error getting active object for " + progId, e);
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}
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if (comObject != null) {
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COMWrapper wrapper = new COMWrapper(comObject, type);
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return (T)wrapper.GetTransparentProxy();
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if (comObject is IDispatch) {
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COMWrapper wrapper = new COMWrapper(comObject, type);
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return (T)wrapper.GetTransparentProxy();
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} else {
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return (T)comObject;
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}
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}
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return default(T);
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}
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/// <summary>
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/// A simple create instance, doesn't create a wrapper!!
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/// </summary>
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/// <returns>T</returns>
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public static T CreateInstance<T>() {
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Type type = typeof(T);
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if (null == type) {
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throw new ArgumentNullException("type");
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}
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if (!type.IsInterface) {
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throw new ArgumentException("The specified type must be an interface.", "type");
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}
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ComProgIdAttribute progIDAttribute = ComProgIdAttribute.GetAttribute(type);
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if (null == progIDAttribute || null == progIDAttribute.Value || 0 == progIDAttribute.Value.Length) {
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throw new ArgumentException("The specified type must define a ComProgId attribute.", "type");
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}
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string progId = progIDAttribute.Value;
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Type comType = null;
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if (progId.StartsWith("clsid:")) {
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Guid guid = new Guid(progId.Substring(6));
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try {
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comType = Type.GetTypeFromCLSID(guid);
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} catch (Exception ex) {
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LOG.Warn("Error type for " + progId, ex);
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}
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} else {
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try {
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comType = Type.GetTypeFromProgID(progId, true);
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} catch (Exception ex) {
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LOG.Warn("Error type for " + progId, ex);
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}
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}
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object comObject = null;
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if (comType != null) {
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try {
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comObject = Activator.CreateInstance(comType);
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if (comObject != null) {
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LOG.DebugFormat("Created new instance of {0} object.", progId);
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}
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} catch (Exception e) {
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LOG.Warn("Error creating object for " + progId, e);
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}
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}
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if (comObject != null) {
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return (T)comObject;
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}
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return default(T);
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}
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@ -138,39 +208,59 @@ namespace Greenshot.Interop {
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object comObject = null;
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Type comType = null;
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string progId = progIDAttribute.Value;
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Guid guid = Guid.Empty;
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// Convert from clsid to Prog ID, if needed
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if (progId.StartsWith("clsid:")) {
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Guid guid = new Guid(progId.Substring(6));
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guid = new Guid(progId.Substring(6));
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int result = ProgIDFromCLSID(ref guid, out progId);
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if (result != 0) {
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LOG.WarnFormat("Error {0} getting progId {1}", result, progIDAttribute.Value);
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// Restore progId, as it's overwritten
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progId = progIDAttribute.Value;
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try {
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GetActiveObject(ref guid, IntPtr.Zero, out comObject);
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} catch (Exception) {
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LOG.WarnFormat("Error {0} getting instance for class id {1}", result, progIDAttribute.Value);
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}
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if (comObject == null) {
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LOG.WarnFormat("Error {0} getting progId {1}", result, progIDAttribute.Value);
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}
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} else {
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LOG.InfoFormat("Mapped {0} to progId {1}", progIDAttribute.Value, progId);
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}
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}
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try {
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comObject = Marshal.GetActiveObject(progId);
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} catch (COMException comE) {
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if (comE.ErrorCode == MK_E_UNAVAILABLE) {
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LOG.DebugFormat("No current instance of {0} object available.", progId);
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} else if (comE.ErrorCode == CO_E_CLASSSTRING) {
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LOG.WarnFormat("Unknown progId {0} (application not installed)", progId);
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return default(T);
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} else {
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LOG.Warn("Error getting active object for " + progId, comE);
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if (comObject == null) {
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if (!progId.StartsWith("clsid:")) {
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try {
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comObject = Marshal.GetActiveObject(progId);
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} catch (COMException comE) {
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if (comE.ErrorCode == MK_E_UNAVAILABLE) {
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LOG.DebugFormat("No current instance of {0} object available.", progId);
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} else if (comE.ErrorCode == CO_E_CLASSSTRING) {
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LOG.WarnFormat("Unknown progId {0} (application not installed)", progId);
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return default(T);
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} else {
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LOG.Warn("Error getting active object for " + progId, comE);
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}
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} catch (Exception e) {
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LOG.Warn("Error getting active object for " + progId, e);
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}
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}
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} catch (Exception e) {
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LOG.Warn("Error getting active object for " + progId, e);
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}
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// Did we get the current instance? If not, try to create a new
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if (comObject == null) {
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try {
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comType = Type.GetTypeFromProgID(progId, true);
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} catch (Exception ex) {
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LOG.Warn("Error type for " + progId, ex);
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if (Guid.Empty != guid) {
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comType = Type.GetTypeFromCLSID(guid);
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} else {
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LOG.Warn("Error type for " + progId, ex);
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}
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}
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if (comType != null) {
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try {
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comObject = Activator.CreateInstance(comType);
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@ -183,8 +273,12 @@ namespace Greenshot.Interop {
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}
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}
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if (comObject != null) {
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COMWrapper wrapper = new COMWrapper(comObject, type);
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return (T)wrapper.GetTransparentProxy();
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if (comObject is IDispatch) {
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COMWrapper wrapper = new COMWrapper(comObject, type);
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return (T)wrapper.GetTransparentProxy();
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} else {
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return (T)comObject;
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}
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}
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return default(T);
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}
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@ -19,22 +19,24 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Runtime.InteropServices;
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using Greenshot.Interop;
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namespace GreenshotPlugin.Interop {
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namespace Greenshot.Interop {
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// This is used for Windows 8 to see if the App Launcher is active
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// See http://msdn.microsoft.com/en-us/library/windows/desktop/jj554119%28v=vs.85%29.aspx
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[ComProgId("7E5FE3D9-985F-4908-91F9-EE19F9FD1514")]
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public interface IAppVisibility : Common {
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//MONITOR_APP_VISIBILITY GetAppVisibilityOnMonitor(IntPtr hMonitor);
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[ComProgId("clsid:7E5FE3D9-985F-4908-91F9-EE19F9FD1514")]
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[ComImport, Guid("2246EA2D-CAEA-4444-A3C4-6DE827E44313"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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public interface IAppVisibility {
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MONITOR_APP_VISIBILITY GetAppVisibilityOnMonitor(IntPtr hMonitor);
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bool IsLauncherVisible {
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get;
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}
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}
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//public enum MONITOR_APP_VISIBILITY {
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// MAV_UNKNOWN = 0, // The mode for the monitor is unknown
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// MAV_NO_APP_VISIBLE = 1,
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// MAV_APP_VISIBLE = 2
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//}
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public enum MONITOR_APP_VISIBILITY {
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MAV_UNKNOWN = 0, // The mode for the monitor is unknown
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MAV_NO_APP_VISIBLE = 1,
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MAV_APP_VISIBLE = 2
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}
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}
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