Finally it worked. I updated Google Desktop from 5.1... to 5.7 and now
methods are called, but there is still some problems. I have posted it
in another entry: "Action API calls HandleAction but Google stop
working after HandleAction returns"
On 22 sep, 17:42, Daniel <[EMAIL PROTECTED]> wrote:
> I'm developing an Action plug-in using Actions API of the SDK, with
> Visual Studio .NET and c# (and vb.net)
>
> The register process works ok, aparently. At least, the registration
> gives no error, and I can use Query API and Index API without problem,
> sending events and quering ok.
> However, I have created a COM Class to implement
> IGoogleDesktopCustomAction, in c#, and nothing: the methods
> QueryInterest or HandleAction are never called.
> The problem is that there isn't enought documentation about this API,
> I think. I've "googled" in internet and there is almost nohing.
>
> Can you say what I'm doing wrong?
> Thanks in advanced
> Daniel
>
> COM Class is defined as you can see below (in a project named
> "GDSAction2", with "Register for COM interoperability" checked)
>
> using System;
> using System.Windows.Forms;
> using System.Collections.Generic;
> using System.Text;
> using System.Runtime.InteropServices;
>
> using GoogleDesktopAPILib;
>
> public enum ActionHandling: int
> {
> ACTION_HANDLING_DEFAULT = 0,
> ACTION_HANDLING_QUENCH = 1,
> ACTION_HANDLING_OVERRIDE = 2
>
> }
>
> [ComVisible(true)]
> [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
> [GuidAttribute("E5A04D23-6921-4ef6-B19B-6C6AA89A46AA")]
> public interface IGoogleDesktopCustomAction
> {
> [DispId(1)]
> int QueryInterest(
> [In] Guid location,
> [In] Guid action,
> [In, MarshalAs(UnmanagedType.BStr)] string query_string,
> [In, MarshalAs(UnmanagedType.IUnknown)] object item,
> [In, Out, MarshalAs(UnmanagedType.BStr)] ref string
> actionTitle,
> [Out, MarshalAs(UnmanagedType.BStr)] out string actionCookie,
> [Out] out ActionHandling handling);
>
> [DispId(2)]
> int HandleAction(
> [In] Guid location,
> [In] Guid action,
> [In, MarshalAs(UnmanagedType.BStr)] string query_string,
> [In, MarshalAs(UnmanagedType.IUnknown)] object item,
> [In, MarshalAs(UnmanagedType.BStr)] string action_cookie);
> }
>
> [ComVisible(true)]
> [GuidAttribute("741a99f3-0e5b-46ad-b167-f56478bac042")]
> public class SearchActions : IGoogleDesktopCustomAction
> {
> public int HandleAction(Guid location, Guid action, string
> query, object item, string actionCookie)
> {
> try
> {
> MessageBox.Show("HandleAction HOLA: "+ query);
> //MessageBox(NULL, str, L"Action!", MB_OK |
> MB_SERVICE_NOTIFICATION);
> //string uri =
> ((IGoogleDesktopNotifyEvent)item).GetProperty("uri").ToString();
> //System.Diagnostics.Process.Start(uri);
> }
> catch (COMException)
> { }
> return 0;
> }
>
> public int QueryInterest(Guid location, Guid action, string
> query, object item, ref string actionTitle, out string actionCookie,
> out ActionHandling handling)
> {
> actionCookie = "DANI";
> actionTitle = "DANI" + actionTitle;
> handling = ActionHandling.ACTION_HANDLING_OVERRIDE;
> return 0;
>
> //string uri =
> ((IGoogleDesktopNotifyEvent)item).GetProperty("uri").ToString();
> //actionCookie = "DANI";
> //string extension = uri.Substring(uri.LastIndexOf('.') +
> 1);
> //if (extension == "txt")
> // handling = ActionHandling.ACTION_HANDLING_OVERRIDE;
> //else
> // handling = ActionHandling.ACTION_HANDLING_DEFAULT;
> //
> //return 0;
> }
> }
>
> When project is generated I can see the new class COM in the register:
>
> [HKEY_CLASSES_ROOT\CLSID\{741A99F3-0E5B-46AD-B167-F56478BAC042}]
> @="SearchActions"
>
> [HKEY_CLASSES_ROOT\CLSID\{741A99F3-0E5B-46AD-B167-
> F56478BAC042}\Implemented Categories]
>
> [HKEY_CLASSES_ROOT\CLSID\{741A99F3-0E5B-46AD-B167-
> F56478BAC042}\Implemented Categories\{62C8FE65-4EBB-45e7-
> B440-6E39B2CDBF29}]
>
> [HKEY_CLASSES_ROOT\CLSID\{741A99F3-0E5B-46AD-B167-
> F56478BAC042}\InprocServer32]
> @="mscoree.dll"
> "ThreadingModel"="Both"
> "Class"="SearchActions"
> "Assembly"="GDSAction2, Version=1.0.0.0, Culture=neutral,
> PublicKeyToken=null"
> "RuntimeVersion"="v2.0.50727"
> "CodeBase"="file:///D:/PROYECTOS/Ejemplos GoogleDesktop/GDSAction2/bin/
> Release/GDSAction2.dll"
>
> [HKEY_CLASSES_ROOT\CLSID\{741A99F3-0E5B-46AD-B167-
> F56478BAC042}\InprocServer32\1.0.0.0]
> "Class"="SearchActions"
> "Assembly"="GDSAction2, Version=1.0.0.0, Culture=neutral,
> PublicKeyToken=null"
> "RuntimeVersion"="v2.0.50727"
> "CodeBase"="file:///D:/PROYECTOS/Ejemplos GoogleDesktop/GDSAction2/bin/
> Release/GDSAction2.dll"
>
> [HKEY_CLASSES_ROOT\CLSID\{741A99F3-0E5B-46AD-B167-
> F56478BAC042}\ProgId]
> @="SearchActions"
>
> The registration process is:
> IGoogleDesktopRegistrar gdsReg = new
> GoogleDesktopAPILib.GoogleDesktopRegistrarClass();
> object[] componentDesc = new object[6] {
> "Title", _name,
> "Description",
> _description,
> "Icon", _icon
> };
> gdsReg.StartComponentRegistration(_componentGuid,
> componentDesc);
> IGoogleDesktopRegisterCustomAction spRegistrationAction;
> spRegistrationAction=
> (IGoogleDesktopRegisterCustomAction)gdsReg.GetRegistrationInterface("GoogleDesktop.ActionRegistration");
>
> spRegistrationAction.RegisterAction(_CLSID_SearchActions.ToUpper() ,
> ACTION_OPEN_SEARCH_RESULT, null);
> gdsReg.FinishComponentRegistration();
>
> Where:
> string _CLSID_SearchActions = "{741a99f3-0e5b-46ad-b167-
> f56478bac042}"; // GUID of COM Class
> const string ACTION_OPEN_SEARCH_RESULT = "{21B7E880-EEB5-4c3d-8E56-
> BFF2A6654E6E}";
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