#ifndef ASSETS_H
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#define ASSETS_H
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#include <string>
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#include <functional>
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#include <memory>
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#include <cJSON.h>
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#include <esp_partition.h>
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#include <model_path.h>
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#include <map>
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#include <string>
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#if HAVE_LVGL
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#include <spi_flash_mmap.h>
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#endif
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struct Asset {
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size_t size;
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size_t offset;
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};
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class Assets {
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public:
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static Assets& GetInstance() {
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static Assets instance;
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return instance;
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}
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~Assets();
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bool Download(std::string url, std::function<void(int progress, size_t speed)> progress_callback);
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bool Apply(bool refresh_display_theme = true);
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bool GetAssetData(const std::string& name, void*& ptr, size_t& size);
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inline bool partition_valid() const { return partition_valid_; }
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inline std::string default_assets_url() const { return default_assets_url_; }
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private:
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Assets();
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Assets(const Assets&) = delete;
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Assets& operator=(const Assets&) = delete;
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bool InitializePartition();
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void UnApplyPartition();
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static bool FindPartition(Assets* assets);
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static bool LoadSrmodelsFromIndex(Assets* assets, cJSON* root = nullptr);
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class AssetStrategy {
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public:
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virtual ~AssetStrategy() = default;
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virtual bool Apply(Assets* assets, bool refresh_display_theme = true) = 0;
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virtual bool InitializePartition(Assets* assets) = 0;
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virtual void UnApplyPartition(Assets* assets) = 0;
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virtual bool GetAssetData(Assets* assets, const std::string& name, void*& ptr, size_t& size) = 0;
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};
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class LvglStrategy : public AssetStrategy {
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public:
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bool Apply(Assets* assets, bool refresh_display_theme = true) override;
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bool InitializePartition(Assets* assets) override;
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void UnApplyPartition(Assets* assets) override;
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bool GetAssetData(Assets* assets, const std::string& name, void*& ptr, size_t& size) override;
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private:
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static uint32_t CalculateChecksum(const char* data, uint32_t length);
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std::map<std::string, Asset> assets_;
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esp_partition_mmap_handle_t mmap_handle_ = 0;
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const char* mmap_root_ = nullptr;
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bool checksum_valid_ = false;
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};
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class EmoteStrategy : public AssetStrategy {
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public:
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bool Apply(Assets* assets, bool refresh_display_theme = true) override;
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bool InitializePartition(Assets* assets) override;
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void UnApplyPartition(Assets* assets) override;
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bool GetAssetData(Assets* assets, const std::string& name, void*& ptr, size_t& size) override;
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};
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// Strategy instance
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std::unique_ptr<AssetStrategy> strategy_;
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protected:
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const esp_partition_t* partition_ = nullptr;
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bool partition_valid_ = false;
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std::string default_assets_url_;
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srmodel_list_t* models_list_ = nullptr;
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};
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#endif
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