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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/Common/File/AndroidStorage.h
Views: 1401
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#pragma once

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#include <vector>

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#include <string>

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#include <string_view>

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#include "Common/File/DirListing.h"

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// To emphasize that Android storage mode strings are different, let's just use

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// an enum.

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enum class Android_OpenContentUriMode {

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	READ = 0,  // "r"

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	READ_WRITE = 1,  // "rw"

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	READ_WRITE_TRUNCATE = 2,  // "rwt"

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};

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// Matches the constants in PpssppActivity.java.

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enum class StorageError {

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	SUCCESS = 0,

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	UNKNOWN = -1,

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	NOT_FOUND = -2,

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	DISK_FULL = -3,

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	ALREADY_EXISTS = -4,

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};

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inline StorageError StorageErrorFromInt(int ival) {

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	if (ival >= 0) {

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		return StorageError::SUCCESS;

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	} else {

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		return (StorageError)ival;

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	}

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}

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extern std::string g_extFilesDir;

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extern std::string g_externalDir;

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extern std::string g_nativeLibDir;

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#if PPSSPP_PLATFORM(ANDROID) && !defined(__LIBRETRO__)

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#include <jni.h>

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void Android_StorageSetNativeActivity(jobject nativeActivity);

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bool Android_IsContentUri(std::string_view uri);

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int Android_OpenContentUriFd(std::string_view uri, const Android_OpenContentUriMode mode);

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StorageError Android_CreateDirectory(const std::string &parentTreeUri, const std::string &dirName);

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StorageError Android_CreateFile(const std::string &parentTreeUri, const std::string &fileName);

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StorageError Android_MoveFile(const std::string &fileUri, const std::string &srcParentUri, const std::string &destParentUri);

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StorageError Android_CopyFile(const std::string &fileUri, const std::string &destParentUri);

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// WARNING: This is very powerful, it will delete directories recursively!

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StorageError Android_RemoveFile(const std::string &fileUri);

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StorageError Android_RenameFileTo(const std::string &fileUri, const std::string &newName);

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bool Android_GetFileInfo(const std::string &fileUri, File::FileInfo *info);

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bool Android_FileExists(const std::string &fileUri);

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int64_t Android_ComputeRecursiveDirectorySize(const std::string &fileUri);

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int64_t Android_GetFreeSpaceByContentUri(const std::string &uri);

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int64_t Android_GetFreeSpaceByFilePath(const std::string &filePath);

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bool Android_IsExternalStoragePreservedLegacy();

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const char *Android_ErrorToString(StorageError error);

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std::vector<File::FileInfo> Android_ListContentUri(const std::string &uri, bool *exists);

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void Android_RegisterStorageCallbacks(JNIEnv * env, jobject obj);

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#else

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// Stub out the Android Storage wrappers, so that we can avoid ifdefs everywhere.

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// See comments for the corresponding functions above.

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inline bool Android_IsContentUri(std::string_view uri) { return false; }

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inline int Android_OpenContentUriFd(std::string_view uri, const Android_OpenContentUriMode mode) { return -1; }

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inline StorageError Android_CreateDirectory(const std::string &parentTreeUri, const std::string &dirName) { return StorageError::UNKNOWN; }

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inline StorageError Android_CreateFile(const std::string &parentTreeUri, const std::string &fileName) { return StorageError::UNKNOWN; }

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inline StorageError Android_MoveFile(const std::string &fileUri, const std::string &srcParentUri, const std::string &destParentUri) { return StorageError::UNKNOWN; }

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inline StorageError Android_CopyFile(const std::string &fileUri, const std::string &destParentUri) { return StorageError::UNKNOWN; }

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inline StorageError Android_RemoveFile(const std::string &fileUri) { return StorageError::UNKNOWN; }

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inline StorageError Android_RenameFileTo(const std::string &fileUri, const std::string &newName) { return StorageError::UNKNOWN; }

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inline bool Android_GetFileInfo(const std::string &fileUri, File::FileInfo *info) { return false; }

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inline bool Android_FileExists(const std::string &fileUri) { return false; }

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inline int64_t Android_ComputeRecursiveDirectorySize(const std::string &fileUri) { return -1; }

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inline int64_t Android_GetFreeSpaceByContentUri(const std::string &uri) { return -1; }

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inline int64_t Android_GetFreeSpaceByFilePath(const std::string &filePath) { return -1; }

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inline bool Android_IsExternalStoragePreservedLegacy() { return false; }

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inline const char *Android_ErrorToString(StorageError error) { return ""; }

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inline std::vector<File::FileInfo> Android_ListContentUri(const std::string &uri, bool *exists) {

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	*exists = false;

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	return std::vector<File::FileInfo>();

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}

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#endif

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