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o3de/Code/CryEngine/CryCommon/LyShine/Bus/Tools/UiSystemToolsBus.h

80 lines
2.9 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/EBus/EBus.h>
#include <AzCore/Component/Component.h>
#include <AzCore/Slice/SliceComponent.h>
#include <AzCore/Serialization/ObjectStream.h>
namespace AZ
{
namespace IO
{
class FileIOStream;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
//! Bus interface for tools to talk to the LyShine system
//! It is valid to use this bus from resource compilers or the UI Editor
class UiSystemToolsInterface
: public AZ::EBusTraits
{
public: // types
class CanvasAssetHandle
{
public:
virtual ~CanvasAssetHandle() {};
};
public:
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
using MutexType = AZStd::recursive_mutex;
// Public functions
//! Load a canvas but do not init or activate the entities
//! The CanvasAssetHandle is an opaque pointer only valid to be passed to the
//! methods below.
virtual CanvasAssetHandle* LoadCanvasFromStream(AZ::IO::GenericStream& stream, const AZ::ObjectStream::FilterDescriptor& filterDesc) = 0;
//! Save a canvas to a stream
virtual void SaveCanvasToStream(CanvasAssetHandle* canvas, AZ::IO::FileIOStream& stream) = 0;
//! Get the slice component for a loaded canvas
virtual AZ::SliceComponent* GetRootSliceSliceComponent(CanvasAssetHandle* canvas) = 0;
//! Get the slice entity for a loaded canvas
virtual AZ::Entity* GetRootSliceEntity(CanvasAssetHandle* canvas) = 0;
//! Get the canvas entity for a loaded canvas
virtual AZ::Entity* GetCanvasEntity(CanvasAssetHandle* canvas) = 0;
//! Replace the slice component with a new one. The old slice component is not deleted.
//! The client is responsible for that.
virtual void ReplaceRootSliceSliceComponent(CanvasAssetHandle* canvas, AZ::SliceComponent* newSliceComponent) = 0;
//! Replace the canvas entity with a new one. The old canvas entity is not deleted.
//! The client is responsible for that.
virtual void ReplaceCanvasEntity(CanvasAssetHandle* canvas, AZ::Entity* newCanvasEntity) = 0;
//! Delete the canvas file object and its canvas entity and slice entity.
virtual void DestroyCanvas(CanvasAssetHandle* canvas) = 0;
};
using UiSystemToolsBus = AZ::EBus<UiSystemToolsInterface>;