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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.common
import android.content.Context
import android.content.Context.CONNECTIVITY_SERVICE
import android.content.Intent
import android.content.pm.PackageManager.MATCH_DEFAULT_ONLY
import android.net.ConnectivityManager
import android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET
import android.os.Build.VERSION.SDK_INT
import android.os.Looper
import android.text.format.DateUtils.DAY_IN_MILLIS
import android.text.format.DateUtils.FORMAT_ABBREV_ALL
import android.text.format.DateUtils.FORMAT_ABBREV_MONTH
import android.text.format.DateUtils.FORMAT_ABBREV_RELATIVE
import android.text.format.DateUtils.FORMAT_NO_YEAR
import android.text.format.DateUtils.FORMAT_SHOW_DATE
import android.text.format.DateUtils.FORMAT_SHOW_TIME
import android.text.format.DateUtils.FORMAT_SHOW_YEAR
import android.text.format.DateUtils.MINUTE_IN_MILLIS
import android.text.format.DateUtils.formatDateTime
import android.text.format.DateUtils.getRelativeTimeSpanString
import android.view.View
import android.view.View.INVISIBLE
import android.view.View.VISIBLE
import android.view.inputmethod.InputMethodManager
import androidx.core.content.ContextCompat.getSystemService
import androidx.fragment.app.Fragment
import androidx.navigation.NavDirections
import androidx.navigation.fragment.findNavController
import net.taler.lib.common.Version
fun View.fadeIn(endAction: () -> Unit = {}) {
if (visibility == VISIBLE && alpha == 1f) return
alpha = 0f
visibility = VISIBLE
animate().alpha(1f).withEndAction {
if (context != null) endAction.invoke()
}.start()
}
fun View.fadeOut(endAction: () -> Unit = {}) {
if (visibility == INVISIBLE) return
animate().alpha(0f).withEndAction {
if (context == null) return@withEndAction
visibility = INVISIBLE
alpha = 1f
endAction.invoke()
}.start()
}
fun View.hideKeyboard() {
getSystemService(context, InputMethodManager::class.java)
?.hideSoftInputFromWindow(windowToken, 0)
}
fun assertUiThread() {
check(Looper.getMainLooper().thread == Thread.currentThread())
}
/**
* Use this with 'when' expressions when you need it to handle all possibilities/branches.
*/
val <T> T.exhaustive: T
get() = this
fun Context.isOnline(): Boolean {
val cm = getSystemService(CONNECTIVITY_SERVICE) as ConnectivityManager
return if (SDK_INT < 29) {
@Suppress("DEPRECATION")
cm.activeNetworkInfo?.isConnected == true
} else {
val capabilities = cm.getNetworkCapabilities(cm.activeNetwork) ?: return false
capabilities.hasCapability(NET_CAPABILITY_INTERNET)
}
}
fun Intent.isSafe(context: Context): Boolean {
return context.packageManager.queryIntentActivities(this, MATCH_DEFAULT_ONLY).isNotEmpty()
}
fun Fragment.navigate(directions: NavDirections) = findNavController().navigate(directions)
fun Long.toRelativeTime(context: Context): CharSequence {
val now = System.currentTimeMillis()
return if (now - this > DAY_IN_MILLIS * 2) {
val flags = FORMAT_SHOW_TIME or FORMAT_SHOW_DATE or FORMAT_ABBREV_MONTH or FORMAT_NO_YEAR
formatDateTime(context, this, flags)
} else getRelativeTimeSpanString(this, now, MINUTE_IN_MILLIS, FORMAT_ABBREV_RELATIVE)
}
fun Long.toAbsoluteTime(context: Context): CharSequence {
val flags = FORMAT_SHOW_TIME or FORMAT_SHOW_DATE or FORMAT_SHOW_YEAR
return formatDateTime(context, this, flags)
}
fun Long.toShortDate(context: Context): CharSequence {
val flags = FORMAT_SHOW_DATE or FORMAT_SHOW_YEAR or FORMAT_ABBREV_ALL
return formatDateTime(context, this, flags)
}
fun Version.getIncompatibleStringOrNull(context: Context, otherVersion: String): String? {
val other = Version.parse(otherVersion) ?: return context.getString(R.string.version_invalid)
val match = compare(other) ?: return context.getString(R.string.version_invalid)
if (match.compatible) return null
if (match.currentCmp < 0) return context.getString(R.string.version_too_old)
if (match.currentCmp > 0) return context.getString(R.string.version_too_new)
throw AssertionError("$this == $other")
}
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