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Refactoring the interop code to a separate project. Still need to add the interop DLL to the final exe... or maybe I want to use references inside the projects...

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1690 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-03-06 17:45:50 +00:00
commit 5f9deb2f06
67 changed files with 564 additions and 502 deletions
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82
GreenshotInterop/Interop/COMWrapper.cs
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@ -32,6 +32,8 @@ namespace Greenshot.Interop {
public sealed class COMWrapper : RealProxy, IDisposable, IRemotingTypeInfo {
private static readonly log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(COMWrapper));
private const int MK_E_UNAVAILABLE = -2147221021;
private const int CO_E_CLASSSTRING = -2147221005;
#region Private Data
/// <summary>
@ -50,6 +52,8 @@ namespace Greenshot.Interop {
private Type _InterceptType;
#endregion
[DllImport("ole32.dll")]
static extern int ProgIDFromCLSID([In] ref Guid clsid, [MarshalAs(UnmanagedType.LPWStr)] out string lplpszProgID);
#region Construction
@ -68,23 +72,36 @@ namespace Greenshot.Interop {
throw new ArgumentException("The specified type must be an interface.", "type");
}
ComProgIdAttribute progID = ComProgIdAttribute.GetAttribute(type);
if (null == progID || null == progID.Value || 0 == progID.Value.Length) {
ComProgIdAttribute progIDAttribute = ComProgIdAttribute.GetAttribute(type);
if (null == progIDAttribute || null == progIDAttribute.Value || 0 == progIDAttribute.Value.Length) {
throw new ArgumentException("The specified type must define a ComProgId attribute.", "type");
}
string progId = progIDAttribute.Value;
// Convert from clsid to Prog ID, if needed
if (progId.StartsWith("clsid:")) {
Guid guid = new Guid(progId.Substring(6));
int result = ProgIDFromCLSID(ref guid, out progId);
if (result != 0) {
LOG.WarnFormat("Error {0} getting progId {1}", result, progIDAttribute.Value);
} else {
LOG.InfoFormat("Mapped {0} to progId {1}", progIDAttribute.Value, progId);
}
}
object comObject = null;
Type comType = Type.GetTypeFromProgID(progID.Value, true);
try {
comObject = Marshal.GetActiveObject(progID.Value);
comObject = Marshal.GetActiveObject(progId);
} catch (COMException comE) {
if (comE.ErrorCode == MK_E_UNAVAILABLE) {
LOG.DebugFormat("No current instance of {0} object available.", progID.Value);
LOG.DebugFormat("No current instance of {0} object available.", progId);
} else if (comE.ErrorCode == CO_E_CLASSSTRING) {
LOG.WarnFormat("Unknown progId {0}", progId);
} else {
LOG.Warn("Error getting active object for " + progID.Value, comE);
LOG.Warn("Error getting active object for " + progId, comE);
}
} catch (Exception e) {
LOG.Warn("Error getting active object for " + progID.Value, e);
LOG.Warn("Error getting active object for " + progId, e);
}
if (comObject != null) {
@ -110,46 +127,63 @@ namespace Greenshot.Interop {
throw new ArgumentException("The specified type must be an interface.", "type");
}
ComProgIdAttribute progID = ComProgIdAttribute.GetAttribute(type);
if (null == progID || null == progID.Value || 0 == progID.Value.Length) {
ComProgIdAttribute progIDAttribute = ComProgIdAttribute.GetAttribute(type);
if (null == progIDAttribute || null == progIDAttribute.Value || 0 == progIDAttribute.Value.Length) {
throw new ArgumentException("The specified type must define a ComProgId attribute.", "type");
}
object comObject = null;
Type comType = null;
if (progID.Value.StartsWith("clsid:")) {
Guid guid = new Guid(progID.Value.Substring(6));
comType = Type.GetTypeFromCLSID(guid, true);
} else {
comType = Type.GetTypeFromProgID(progID.Value, true);
string progId = progIDAttribute.Value;
// Convert from clsid to Prog ID, if needed
if (progId.StartsWith("clsid:")) {
Guid guid = new Guid(progId.Substring(6));
int result = ProgIDFromCLSID(ref guid, out progId);
if (result != 0) {
LOG.WarnFormat("Error {0} getting progId {1}", result, progIDAttribute.Value);
} else {
LOG.InfoFormat("Mapped {0} to progId {1}", progIDAttribute.Value, progId);
}
}
try {
comObject = Marshal.GetActiveObject(progID.Value);
comObject = Marshal.GetActiveObject(progId);
} catch (COMException comE) {
if (comE.ErrorCode == MK_E_UNAVAILABLE) {
LOG.DebugFormat("No current instance of {0} object available.", progID.Value);
LOG.DebugFormat("No current instance of {0} object available.", progId);
} else if (comE.ErrorCode == CO_E_CLASSSTRING) {
LOG.WarnFormat("Unknown progId {0} (application not installed)", progId);
return default(T);
} else {
LOG.Warn("Error getting active object for " + progID.Value, comE);
LOG.Warn("Error getting active object for " + progId, comE);
}
} catch (Exception e) {
LOG.Warn("Error getting active object for " + progID.Value, e);
LOG.Warn("Error getting active object for " + progId, e);
}
// Did we get the current instance? If not, try to create a new
if (comObject == null) {
try {
comObject = Activator.CreateInstance(comType);
if (comObject != null) {
LOG.DebugFormat("Created new instance of {0} object.", progID.Value);
comType = Type.GetTypeFromProgID(progId, true);
} catch (Exception ex) {
LOG.Warn("Error type for " + progId, ex);
}
if (comType != null) {
try {
comObject = Activator.CreateInstance(comType);
if (comObject != null) {
LOG.DebugFormat("Created new instance of {0} object.", progId);
}
} catch (Exception e) {
LOG.Warn("Error creating object for " + progId, e);
}
} catch (Exception e) {
LOG.Warn("Error creating object for " + progID.Value, e);
}
}
if (comObject != null) {
COMWrapper wrapper = new COMWrapper(comObject, type);
return (T)wrapper.GetTransparentProxy();
}
throw new TypeLoadException(string.Format("Unable to get or create an instance of the specified COM server \"{0}\".", progID.Value));
return default(T);
}
/// <summary>