michas-droid/src/main/kotlin/com/michatec/store/widget/FocusSearchView.kt

package com.michatec.store.widget

import android.content.Context
import android.util.AttributeSet
import android.view.KeyEvent
import android.widget.SearchView

class FocusSearchView: SearchView {
  constructor(context: Context): super(context)
  constructor(context: Context, attrs: AttributeSet?): super(context, attrs)
  constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int): super(context, attrs, defStyleAttr)

  var allowFocus = true

  override fun dispatchKeyEventPreIme(event: KeyEvent): Boolean {
    // Always clear focus on back press
    return if (hasFocus() && event.keyCode == KeyEvent.KEYCODE_BACK) {
      if (event.action == KeyEvent.ACTION_UP) {
        clearFocus()
      }
      true
    } else {
      super.dispatchKeyEventPreIme(event)
    }
  }

  override fun setIconified(iconify: Boolean) {
    super.setIconified(iconify)

    // Don't focus view and raise keyboard unless allowed
    if (!iconify && !allowFocus) {
      clearFocus()
    }
  }
}