X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Fintegration-api%2Fplatform-abstraction.h;h=7a41087c3c2a62a45a6521ed572285e1abfe4790;hb=c2605260e4a76ab1fda23bea51002f5228d8c88b;hp=f2875c5945236230da12ebacc8ac7c19fe33bf19;hpb=7e14935f42dc79f6b8239b0301078d004d3ebaba;p=platform%2Fcore%2Fuifw%2Fdali-core.git diff --git a/dali/integration-api/platform-abstraction.h b/dali/integration-api/platform-abstraction.h index f2875c5..7a41087 100644 --- a/dali/integration-api/platform-abstraction.h +++ b/dali/integration-api/platform-abstraction.h @@ -2,7 +2,7 @@ #define __DALI_INTEGRATION_PLATFORM_ABSTRACTION_H__ /* - * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Copyright (c) 2017 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. @@ -20,15 +20,18 @@ // INTERNAL INCLUDES -#include -#include ///@todo Remove this include (a bunch of stuff needs to include it though) +#include +#include #include +#include namespace Dali { namespace Integration { +typedef unsigned int ResourceId; +typedef IntrusivePtr ResourcePointer; /** * PlatformAbstraction is an abstract interface, used by Dali to access platform specific services. @@ -39,38 +42,6 @@ class PlatformAbstraction { public: - virtual ~PlatformAbstraction() {} - - // Dali Lifecycle - - /** - * Get the monotonic time since an unspecified reference point. - * This is used by Dali to calculate time intervals during animations; the interval is - * recalculated when Dali is resumed with Dali::Integration::Core::Resume(). - * Multi-threading note: this method may be called from either the main or rendering thread. - * @param[out] seconds The time in seconds since the reference point. - * @param[out] microSeconds The remainder in microseconds. - */ - virtual void GetTimeMicroseconds(unsigned int& seconds, unsigned int& microSeconds) = 0; - - /** - * Tell the platform abstraction that Dali is ready to pause, such as when the - * application enters a background state. - * Allows background threads to pause their work until Resume() is called. - * This is a good time to release recreatable data such as memory caches - * to cooperate with other apps and reduce the chance of this one being - * force-killed in a low memory situation. - */ - virtual void Suspend() = 0; - - /** - * Tell the platform abstraction that Dali is resuming from a pause, such as - * when it has transitioned from a background state to a foreground one. - * It is time to wake up sleeping background threads and recreate memory - * caches and other temporary data. - */ - virtual void Resume() = 0; - // Resource Loading /** @@ -96,7 +67,7 @@ public: bool orientationCorrection = true) = 0; /** - @brief Determine the size of an image the resource loaders will provide when + * @brief Determine the size of an image the resource loaders will provide when * given the same image loading parameters. * * This is a synchronous request. @@ -118,19 +89,8 @@ public: bool orientationCorrection = true) = 0; /** - * Request a resource from the native filesystem. This is an asynchronous request. - * After this method returns, FillResourceCache() will be called to retrieve the result(s) of the - * resource loading operation. Loading resources in separate worker thread is recommended. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @param[in] request A unique resource request. This is not guaranteed to survive after LoadResource - * returns; the loading process should take a copy. - */ - virtual void LoadResource(const ResourceRequest& request) = 0; - - /** - * Request a resource from the native filesystem. This is a synchronous request, i.e. - * it will block the main loop whilst executing. It should therefore be used sparingly. + * Request an image from the native filesystem. This is a synchronous request, i.e. + * it will block the main loop whilst executing. * * Multi-threading note: this method will be called from the main thread only i.e. not * from within the Core::Render() method. @@ -138,98 +98,41 @@ public: * @param[in] resourcePath The path to the resource * @return A pointer to a ref-counted resource */ - virtual ResourcePointer LoadResourceSynchronously( const ResourceType& resourceType, const std::string& resourcePath ) = 0; - - /** - * Request that a resource be saved to the native filesystem. - * This is an asynchronous request. - */ - virtual void SaveResource(const ResourceRequest& request) = 0; - - /** - * Cancel an ongoing LoadResource() request. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @param[in] id The ID of the resource to cancel. - * @param[in] typeId The ID type of the resource to cancel. - */ - virtual void CancelLoad(ResourceId id, ResourceTypeId typeId) = 0; - - /** - * Query whether any asynchronous LoadResource() requests are ongoing. - * Multi-threading note: this method may be called from either the main or rendering thread. - * @return True if resources are being loaded. - */ - virtual bool IsLoading() = 0; - - /** - * Retrieve newly loaded resources. - * If no resources have finished loading, then this method returns immediately. - * Multi-threading note: this method will be called from the update thread, from within - * the UpdateManager::Update() method. - * @param[in] cache The resource cache to fill. - */ - virtual void GetResources(ResourceCache& cache) = 0; - - /** - * Waits for the asynchronous loader threads (if any) to finish. - * This will be only be called before Core destruction; no resource loading requests will be - * made following this method. - */ - virtual void JoinLoaderThreads() = 0; - - // Font Queries - - /** - * Called by Dali to retrieve the default font family & style for the platform. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @param[out] The default font family. - * @param[out] The default font style. - */ - virtual void GetDefaultFontDescription( std::string& family, std::string& style ) const = 0; - - /** - * Called by Dali to retrieve the default font size for the platform. - * This is an accessibility size, which is mapped to a UI Control specific point-size in stylesheets. - * For example if zero the smallest size, this could potentially map to TextLabel point-size 8. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @return The default font size. - */ - virtual int GetDefaultFontSize() const = 0; + virtual ResourcePointer LoadImageSynchronously( const BitmapResourceType& resourceType, const std::string& resourcePath ) = 0; /** - * Sets horizontal and vertical pixels per inch value that is used by the display - * @param[in] dpiHorizontal horizontal dpi value - * @param[in] dpiVertical vertical dpi value + * Decode a buffer of data synchronously. + * @param[in] resourceType The type of resource to load + * @param[in] buffer The decoded data + * @param[in] bufferSize The size of the buffer used by the decoded data. + * + * @return A pointer to the decoded buffer. */ - virtual void SetDpi (unsigned int dpiHorizontal, unsigned int dpiVertical) = 0; + virtual BitmapPtr DecodeBuffer( const BitmapResourceType& resourceType, uint8_t * buffer, size_t bufferSize ) = 0; /** - * Load a file into a buffer - * @param[in] filename The filename to load + * Load a shader binary file into a buffer + * @param[in] filename The shader binary filename to load * @param[out] buffer A buffer to receive the file. * @result true if the file is loaded. */ - virtual bool LoadFile( const std::string& filename, std::vector< unsigned char >& buffer ) const = 0; + virtual bool LoadShaderBinaryFile( const std::string& filename, Dali::Vector< unsigned char >& buffer ) const = 0; /** - * Load a file into a buffer - * @param[in] filename The filename to save - * @param[out] buffer A buffer containing some data - * The buffer is implemeneted with a std::vector. The size() member specifies the buffer length. - * @result true if the file is saved. + * Save a shader binary file to the resource file system. + * @param[in] filename The shader binary filename to save to. + * @param[in] buffer A buffer to write the file from. + * @param[in] numbytes Size of the buffer. + * @result true if the file is saved, else false. */ - virtual bool SaveFile(const std::string& filename, std::vector< unsigned char >& buffer) const = 0; + virtual bool SaveShaderBinaryFile( const std::string& filename, const unsigned char * buffer, unsigned int numBytes ) const = 0; + +protected: /** - * Load a shader binary file into a buffer - * @param[in] filename The shader binary filename to load - * @param[out] buffer A buffer to receive the file. - * @result true if the file is loaded. + * Virtual destructor. */ - virtual bool LoadShaderBinFile( const std::string& filename, std::vector< unsigned char >& buffer ) const = 0; + virtual ~PlatformAbstraction() {} }; // class PlatformAbstraction