*/
// EXTERNAL INCLUDES
+#include <deque>
+#include <functional>
#include <string>
#include <dali/public-api/common/dali-vector.h>
#include <dali/public-api/object/ref-object.h>
#include <dali/public-api/rendering/texture-set.h>
#include <dali/devel-api/common/owner-container.h>
#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
-#include <deque>
// INTERNAL INCLUDES
+#include <dali-toolkit/devel-api/image-loader/async-image-loader-devel.h>
#include <dali-toolkit/devel-api/image-loader/image-atlas.h>
#include <dali-toolkit/public-api/image-loader/async-image-loader.h>
#include <dali-toolkit/internal/visuals/texture-upload-observer.h>
#include <dali-toolkit/internal/visuals/visual-url.h>
+#include <dali-toolkit/internal/helpers/round-robin-container-view.h>
+#include <dali-toolkit/internal/image-loader/async-image-loader-impl.h>
namespace Dali
const bool useAtlas,
TextureId maskTextureId );
+private:
+
+ /**
+ * @brief Helper class to keep the relation between AsyncImageLoader and corresponding LoadingInfo container
+ */
+ class AsyncLoadingHelper : public ConnectionTracker
+ {
+ public:
+ /**
+ * @brief Create an AsyncLoadingHelper.
+ * @param[in] textureManager Reference to the texture manager
+ */
+ AsyncLoadingHelper(TextureManager& textureManager);
+
+ /**
+ * @brief Load a new texture.
+ * @param[in] textureId TextureId to reference the texture that will be loaded
+ * @param[in] url The URL of the image to load
+ * @param[in] desiredSize The size the image is likely to appear at. This can be set to 0,0 for automatic
+ * @param[in] fittingMode The FittingMode to use
+ * @param[in] samplingMode The SamplingMode to use
+ * @param[in] orientationCorrection Whether to use image metadata to rotate or flip the image, e.g., from portrait to landscape
+ */
+ void Load(TextureId textureId,
+ const VisualUrl& url,
+ ImageDimensions desiredSize,
+ FittingMode::Type fittingMode,
+ SamplingMode::Type samplingMode,
+ bool orientationCorrection);
+
+ public:
+ AsyncLoadingHelper(const AsyncLoadingHelper&) = delete;
+ AsyncLoadingHelper& operator=(const AsyncLoadingHelper&) = delete;
+
+ AsyncLoadingHelper(AsyncLoadingHelper&& rhs);
+ AsyncLoadingHelper& operator=(AsyncLoadingHelper&&rhs) = delete;
+
+ private:
+ /**
+ * @brief Main constructor that used by all other constructors
+ */
+ AsyncLoadingHelper(Toolkit::AsyncImageLoader loader,
+ TextureManager& textureManager,
+ AsyncLoadingInfoContainerType&& loadingInfoContainer);
+
+ /**
+ * @brief Callback to be called when texture loading is complete, it passes the pixel buffer on to texture manager.
+ * @param[in] id Loader id
+ * @param[in] pixelBuffer Image data
+ */
+ void AsyncLoadComplete(uint32_t id, Devel::PixelBuffer pixelBuffer);
+
+ private:
+ Toolkit::AsyncImageLoader mLoader;
+ TextureManager& mTextureManager;
+ AsyncLoadingInfoContainerType mLoadingInfoContainer;
+ };
private:
/**
- * Undefined copy constructor.
+ * Deleted copy constructor.
*/
- TextureManager( const TextureManager& );
+ TextureManager( const TextureManager& ) = delete;
/**
- * Undefined assignment operator.
+ * Deleted assignment operator.
*/
- TextureManager& operator=( const TextureManager& rhs );
+ TextureManager& operator=( const TextureManager& rhs ) = delete;
/**
* This is called by the TextureManagerUploadObserver when an observer is destroyed.
private: // Member Variables:
- AsyncLoadingInfoContainerType mAsyncLocalLoadingInfoContainer; ///< Used to manage Asynchronous loads in progress
- AsyncLoadingInfoContainerType mAsyncRemoteLoadingInfoContainer; ///< Used to manage Asynchronous loads in progress
- AtlasInfoContainerType mAtlasContainer; ///< Used to manage Atlas creation and destruction
- TextureInfoContainerType mTextureInfoContainer; ///< Used to manage the life-cycle and caching of Textures
- Toolkit::AsyncImageLoader mAsyncLocalLoader; ///< The Asynchronous image loader used to provide all local async loads
- Toolkit::AsyncImageLoader mAsyncRemoteLoader; ///< The Asynchronous image loader used to provide all remote async loads
- TextureId mCurrentTextureId; ///< The current value used for the unique Texture Id generation
+ AtlasInfoContainerType mAtlasContainer; ///< Used to manage Atlas creation and destruction
+ TextureInfoContainerType mTextureInfoContainer; ///< Used to manage the life-cycle and caching of Textures
+ TextureId mCurrentTextureId; ///< The current value used for the unique Texture Id generation
+ RoundRobinContainerView<AsyncLoadingHelper> mAsyncLocalLoaders; ///< The Asynchronous image loaders used to provide all local async loads
+ RoundRobinContainerView<AsyncLoadingHelper> mAsyncRemoteLoaders; ///< The Asynchronous image loaders used to provide all remote async loads
};