#define DALI_TOOLKIT_NPATCH_DATA_H
/*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// EXTERNAL INCLUDES
#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
+#include <dali/public-api/object/ref-object.h>
#include <dali/public-api/rendering/texture-set.h>
#include <string>
{
namespace Internal
{
-class NPatchData : public Dali::Toolkit::TextureUploadObserver
+class NPatchData;
+typedef IntrusivePtr<NPatchData> NPatchDataPtr;
+
+class NPatchData : public ConnectionTracker, public Dali::Toolkit::TextureUploadObserver, public Dali::RefObject
{
public:
- typedef int32_t NPatchDataId; ///< The NPatchDataId type. This is used as a handle to refer to a particular Npatch Data.
- static const int INVALID_NPATCH_DATA_ID = -1; ///< Used to represent a null TextureId or error
+ typedef int32_t NPatchDataId; ///< The NPatchDataId type. This is used as a handle to refer to a particular Npatch Data.
+ static const NPatchDataId INVALID_NPATCH_DATA_ID = -1; ///< Used to represent a null TextureId or error
/**
* @brief Loading State of the NPatch image.
*/
void LoadComplete(bool loadSuccess, TextureInformation textureInformation) override;
+ /**
+ * This is called by the TextureUploadObserver when an observer is destroyed.
+ * We use the callback to know when to remove an observer from our notify list.
+ * @param[in] observer The observer that generated the callback
+ */
+ void ObserverDestroyed(TextureUploadObserver* observer);
+
private:
using ObserverListType = Dali::Vector<TextureUploadObserver*>;
- NPatchDataId mId;
- ObserverListType mObserverList; ///< Container used to store all observer clients of this Texture
- VisualUrl mUrl; ///< Url of the N-Patch
- TextureSet mTextureSet; ///< Texture containing the cropped image
- NPatchUtility::StretchRanges mStretchPixelsX; ///< X stretch pixels
- NPatchUtility::StretchRanges mStretchPixelsY; ///< Y stretch pixels
- std::size_t mHash; ///< Hash code for the Url
- uint32_t mCroppedWidth; ///< Width of the cropped middle part of N-patch
- uint32_t mCroppedHeight; ///< Height of the cropped middle part of N-patch
- Rect<int> mBorder; ///< The size of the border
- LoadingState mLoadingState; ///< True if the data loading is completed
- bool mPreMultiplyOnLoad; ///< Whether to multiply alpha into color channels on load
- void* mRenderingMap; ///< NPatch rendering data
+ NPatchDataId mId;
+ ObserverListType mObserverList; ///< Container used to store all observer clients of this Texture
+ ObserverListType mQueuedObservers; ///< Container observers when user try to add during notify observers
+
+ VisualUrl mUrl; ///< Url of the N-Patch
+ TextureSet mTextureSet; ///< Texture containing the cropped image
+ NPatchUtility::StretchRanges mStretchPixelsX; ///< X stretch pixels
+ NPatchUtility::StretchRanges mStretchPixelsY; ///< Y stretch pixels
+ std::size_t mHash; ///< Hash code for the Url
+ uint32_t mCroppedWidth; ///< Width of the cropped middle part of N-patch
+ uint32_t mCroppedHeight; ///< Height of the cropped middle part of N-patch
+ Rect<int> mBorder; ///< The size of the border
+ LoadingState mLoadingState; ///< True if the data loading is completed
+ void* mRenderingMap; ///< NPatch rendering data
+
+ bool mPreMultiplyOnLoad : 1; ///< Whether to multiply alpha into color channels on load
+ bool mObserverNotifying : 1; ///< Whether this NPatchData notifying observers or not.
};
} // namespace Internal