//  Copyright (c) Microsoft Corporation. All rights reserved.
#pragma once
cpp_quote("#include <winapifamily.h>")

#pragma region Desktop Family
cpp_quote("#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)")

import "oaidl.idl";
import "ocidl.idl";
import "inspectable.idl";
import "weakreference.idl";

cpp_quote("#if (NTDDI_VERSION >= NTDDI_WINTHRESHOLD)") //TODO_NTDDI_WIN10_TH2

    // Implemented by the application
    // When used with custom drying, InkPresenter calls back on this interface
    // to request that the application commit its DComposition device when it
    // can safely do so
    [object, uuid(fabea3fc-b108-45b6-a9fc-8d08fa9f85cf)]
    interface IInkCommitRequestHandler : IUnknown
    {
        HRESULT OnCommitRequested();
    }

    // Used to integrate an InkPresenter instance into the application's
    // DComposition visual tree
    [object, uuid(73f3c0d9-2e8b-48f3-895e-20cbd27b723b)]
    interface IInkPresenterDesktop : IUnknown
    {
        // Used to define the area to be ink-enabled
        HRESULT SetRootVisual(
                        // IDCompositionVisual to be ink-enabled
                        [in] IUnknown *rootVisual,
                        // IDCompositionDevice3, required only for custom drying
                        [in, unique] IUnknown *device);

        // Used in Custom Dry mode to aid in synchronizing ink transition from
        // InkPresenter's ink layer to the application's dry ink layer
        HRESULT SetCommitRequestHandler([in] IInkCommitRequestHandler *handler);

        // Get / set the size of the ink-enabled area
        HRESULT GetSize([out] float *width, [out] float *height);
        HRESULT SetSize([in] float width, [in] float height);

        // Informs InkPresenter of a high contrast mode change, triggering
        // ink to be re-rendered to respect the current mode
        HRESULT OnHighContrastChanged();
    }

    // Implemented by the application
    // Provided to a call to IInkDesktopHost::QueueWorkItem to be invoked
    // on the ink host thread
    [object, uuid(ccda0a9a-1b78-4632-bb96-97800662e26c)]
    interface IInkHostWorkItem : IUnknown
    {
        HRESULT Invoke();
    }

    // Used to host InkPresenter from a desktop application
    [object, uuid(4ce7d875-a981-4140-a1ff-ad93258e8d59)]
    interface IInkDesktopHost : IUnknown
    {
        // Queues up a work item to be invoked on the ink host thread
        // Caller is responsible for synchronizing work item with main thread if desired
        HRESULT QueueWorkItem([in] IInkHostWorkItem *workItem);

        // Creates an instance of InkPresenter
        HRESULT CreateInkPresenter([in] REFIID riid,
                                   [out, iid_is(riid)] void **ppv);

        // Creates an instance of InkPresenter and defines the ink-enabled area
        // through a DComposition visual and a size
        // This is equivalent to the following sequence of calls:
        //  1. CreateInkPresenter
        //  2. IInkPresenterDesktop->SetRootVisual
        //  3. IInkPresenterDesktop->SetSize
        HRESULT CreateAndInitializeInkPresenter(
                        // IDCompositionVisual to be ink-enabled
                        [in] IUnknown *rootVisual,
                        // Size of ink-enabled area
                        [in] float width, [in] float height,
                        [in] REFIID riid,
                        [out, iid_is(riid)] void **ppv);
    }

    [uuid(2aef0967-c833-4f38-91f3-16e67d55d717)]
    library InkDesktopHostLib
    {
        [uuid(062584a6-f830-4bdc-a4d2-0a10ab062b1d)]
        coclass InkDesktopHost
        {
            [default] interface IInkDesktopHost;
        }
    };

cpp_quote("#endif // NTDDI_VERSION >= NTDDI_WINTHRESHOLD") //TODO_NTDDI_WIN10_TH2

cpp_quote("#endif /* WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) */")
#pragma endregion