Meshtastic-Android/app/src/main/java/com/geeksville/mesh/android/ContextExtensions.kt

/*
 * Copyright (c) 2025 Meshtastic LLC
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package com.geeksville.mesh.android

import android.app.Activity
import android.content.Context
import android.util.TypedValue
import android.view.inputmethod.InputMethodManager
import android.widget.Toast

/// show a toast
fun Context.toast(message: CharSequence) =
    Toast.makeText(this, message, Toast.LENGTH_SHORT).show()

/// Utility function to hide the soft keyboard per stack overflow
fun Activity.hideKeyboard() {
    // Check if no view has focus:
    currentFocus?.let { v ->
        val imm =
            getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
        imm?.hideSoftInputFromWindow(v.windowToken, 0)
    }
}

// Converts SP to pixels.
fun Context.spToPx(sp: Float): Int =
    TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp, resources.displayMetrics).toInt()

// Converts DP to pixels.
fun Context.dpToPx(dp: Float): Int =
    TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.displayMetrics).toInt()