package com.gh0u1l5.wechatmagician.frontendimport android.content.ContentProvider
import android.content.ContentValues
import android.content.Context.MODE_PRIVATE
import android.content.SharedPreferences
import android.database.Cursor
import android.database.MatrixCursor
import android.net.Uri
import com.gh0u1l5.wechatmagician.Global.PREFERENCE_NAME_DEVELOPER
import com.gh0u1l5.wechatmagician.Global.PREFERENCE_NAME_SETTINGS
import com.gh0u1l5.wechatmagician.util.IPCUtil.getProtectedSharedPreferences// PrefProvider shares the preferences using content provider model.
class PrefProvider : ContentProvider() { private val preferences: MutableMap<String, SharedPreferences> = mutableMapOf() private fun getPreferenceType(value: Any?): String {
return when (value) {
null -> "Null"
is Int -> "Int"
is Long -> "Long"
is Float -> "Float"
is Boolean -> "Boolean"
is String -> "String"
is Set<*> -> "StringSet"
else -> "${value::class.java}"
}
} override fun onCreate(): Boolean {
preferences[PREFERENCE_NAME_SETTINGS] =
context.getProtectedSharedPreferences(PREFERENCE_NAME_SETTINGS, MODE_PRIVATE)
preferences[PREFERENCE_NAME_DEVELOPER] =
context.getProtectedSharedPreferences(PREFERENCE_NAME_DEVELOPER, MODE_PRIVATE)
return true
} override fun getType(uri: Uri?): String? = null override fun insert(uri: Uri?, values: ContentValues?): Uri {
throw UnsupportedOperationException("Wechat Magician PrefProvider: Cannot modify read-only preferences!")
} override fun query(uri: Uri?, projection: Array<out String>?, selection: String?,
selectionArgs: Array<out String>?, sortOrder: String?): Cursor? {
if (uri == null) {
return null
}
val segments = uri.pathSegments
if (segments.size != 1) {
return null
}
val preference = preferences[segments[0]] ?: return null
return MatrixCursor(arrayOf("key", "value", "type")).apply {
preference.all.forEach { entry ->
val type = getPreferenceType(entry.value)
addRow(arrayOf(entry.key, entry.value, type))
}
}
} override fun update(uri: Uri?, values: ContentValues?, selection: String?,
selectionArgs: Array<out String>?): Int {
throw UnsupportedOperationException("Wechat Magician PrefProvider: Cannot modify read-only preferences!")
} override fun delete(uri: Uri?, selection: String?,
selectionArgs: Array<out String>?): Int {
throw UnsupportedOperationException("Wechat Magician PrefProvider: Cannot modify read-only preferences!")
}
}