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148 lines
4.1 KiB
Objective-C
148 lines
4.1 KiB
Objective-C
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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IPhoneObjCWrapper.h: iPhone wrapper for making ObjC calls from C++ code
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=============================================================================*/
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#ifndef __IPHONE_OBJC_WRAPPER_H__
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#define __IPHONE_OBJC_WRAPPER_H__
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#import <stdint.h>
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#define IPHONE_PATH_MAX 1024
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/**
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* Possible iOS devices
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*/
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enum EIOSDevice
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{
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IOS_IPhone3GS,
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IOS_IPhone4,
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IOS_IPad,
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IOS_IPodTouch4,
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IOS_Unknown,
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};
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/**
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* Get the path to the .app where file loading occurs
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*
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* @param AppDir [out] Return path for the application directory that is the root of file loading
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* @param MaxLen Size of AppDir buffer
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*/
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void IPhoneGetApplicationDirectory( char *AppDir, int MaxLen );
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/**
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* Get the path to the user document directory where file saving occurs
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*
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* @param DocDir [out] Return path for the application directory that is the root of file saving
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* @param MaxLen Size of DocDir buffer
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*/
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void IPhoneGetDocumentDirectory( char *DocDir, int MaxLen );
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/**
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* Creates a directory (must be in the Documents directory
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*
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* @param Directory Path to create
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* @param bMakeTree If true, it will create intermediate directory
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*
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* @return true if successful)
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*/
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bool IPhoneCreateDirectory(char* Directory, bool bMakeTree);
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/**
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* Retrieve current memory information (for just this task)
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*
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* @param FreeMemory Amount of free memory in bytes
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* @param UsedMemory Amount of used memory in bytes
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*/
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void IPhoneGetTaskMemoryInfo(uint64_t& ResidentSize, uint64_t& VirtualSize);
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/**
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* Retrieve current memory information (for the entire device, not limited to our process)
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*
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* @param FreeMemory Amount of free memory in bytes
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* @param UsedMemory Amount of used memory in bytes
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*/
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void IPhoneGetPhysicalMemoryInfo( uint64_t & FreeMemory, uint64_t & UsedMemory );
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/**
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* Enables or disables the view autorotation when the user rotates the view
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*/
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void IPhoneSetRotationEnabled(int bEnabled);
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/**
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* Launch a URL for the given Tag
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*
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* @param Tag String describing what URL to launch
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*/
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void IPhoneLaunchURL(const char* Tag);
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/**
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* Save a key/value string pair to the user's settings
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*
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* @param Key Name of the setting
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* @param Value Value to save to the setting
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*/
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void IPhoneSaveUserSetting(const char* Key, const char* Value);
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/**
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* Load a value from the user's settings for the given Key
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*
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* @param Key Name of the setting
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* @param Value [out] String to put the loaded value into
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* @param MaxValueLen Size of the OutValue string
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*/
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void IPhoneLoadUserSetting(const char* Key, char* OutValue, int MaxValueLen);
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/**
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* Convenience wrapper around IPhoneLoadUserSetting for integers
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* NOTE: strtoull returns 0 if it can't parse the int (this will be the default when we first load)
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*
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* @param Name Name of the setting
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* @return Setting value as uint64_t
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*/
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uint64_t IPhoneLoadUserSettingU64(const char* Name);
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/**
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* Convenience wrapper around IPhoneSaveUserSetting for integers
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*
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* @param Name The name of the setting
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* @param Value The new setting value
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*/
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void IPhoneSaveUserSettingU64(const char* Name, uint64_t Value);
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/**
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* Convenience wrapper around IPhoneLoadUserSettingU64 and IPhoneSaveUserSettingU64
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*
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* @param Name The name of the setting
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* @param By How much to increment the setting by
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*/
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void IPhoneIncrementUserSettingU64(const char* Name, uint64_t By = 1);
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/**
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* @return the type of device we are currently running on
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*/
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EIOSDevice IPhoneGetDeviceType();
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/**
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* Gets the language the user has selected
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*
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* @param Language String to receive the Language into
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* @param MaxLen Size of the Language string
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*/
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void IPhoneGetUserLanguage(char* Language, int MaxLen);
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/**
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* Retrieves the string value for the given key in the application's bundle (ie Info.plist)
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*
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* @param Key The key to look up
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* @param Value A buffer to fill in with the value
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* @param MaxLen Size of the Value string
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*
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* @return true if Key was found in the bundle, and it was had a string value to return
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*/
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bool IPhoneGetBundleStringValue(const char* Key, char* Value, int MaxLen);
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#endif |