103 lines
4.1 KiB
Kotlin
103 lines
4.1 KiB
Kotlin
package app.grapheneos.pdfviewer.fragment
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import android.app.Dialog
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import android.content.DialogInterface
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import android.os.Bundle
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import android.text.Editable
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import android.text.TextUtils
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import android.text.TextWatcher
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import android.view.LayoutInflater
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import android.view.WindowManager
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import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
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import androidx.appcompat.app.AlertDialog
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import androidx.fragment.app.DialogFragment
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import app.grapheneos.pdfviewer.PdfViewer
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import app.grapheneos.pdfviewer.R
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import app.grapheneos.pdfviewer.databinding.PasswordDialogFragmentBinding
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import app.grapheneos.pdfviewer.viewModel.PasswordStatus
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import com.google.android.material.dialog.MaterialAlertDialogBuilder
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import com.google.android.material.textfield.TextInputEditText
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import com.google.android.material.textfield.TextInputLayout
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class PasswordPromptFragment : DialogFragment() {
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private lateinit var passwordLayout : TextInputLayout
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private lateinit var passwordEditText : TextInputEditText
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override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
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val passwordPrompt = MaterialAlertDialogBuilder(requireContext())
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val passwordDialogFragmentBinding =
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PasswordDialogFragmentBinding.inflate(LayoutInflater.from(requireContext()))
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passwordLayout = passwordDialogFragmentBinding.pdfPasswordTextInputLayout
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passwordEditText = passwordDialogFragmentBinding.pdfPasswordEditText
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passwordPrompt.setView(passwordDialogFragmentBinding.root)
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passwordEditText.addTextChangedListener(object : TextWatcher {
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override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
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override fun onTextChanged(input: CharSequence, i: Int, i1: Int, i2: Int) {
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updatePositiveButton()
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}
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override fun afterTextChanged(editable: Editable) {}
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})
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passwordEditText.setOnEditorActionListener { _, actionId, _ ->
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if (actionId != IME_ACTION_DONE) return@setOnEditorActionListener false
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sendPassword()
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true
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}
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passwordPrompt.setPositiveButton(R.string.open, null)
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passwordPrompt.setNegativeButton(R.string.cancel, null)
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val dialog = passwordPrompt.create()
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passwordPrompt.setCancelable(false)
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isCancelable = false
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dialog.setCanceledOnTouchOutside(false)
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dialog.window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE)
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(requireActivity() as PdfViewer).passwordValidationViewModel.status.observe(
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this
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) {
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when (it) {
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PasswordStatus.Status.MissingPassword -> {
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passwordEditText.editableText.clear()
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passwordDialogFragmentBinding.title.setText(R.string.password_prompt_description)
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}
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PasswordStatus.Status.InvalidPassword -> {
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passwordEditText.editableText.clear()
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passwordDialogFragmentBinding.pdfPasswordTextInputLayout.error =
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"invalid password"
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}
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PasswordStatus.Status.Validated -> {
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//Activity will dismiss the dialog
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}
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else -> {
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throw NullPointerException("status shouldn't be null")
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}
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}
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}
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return dialog
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}
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private fun updatePositiveButton() {
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passwordLayout.error = ""
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val btn = (dialog as AlertDialog).getButton(DialogInterface.BUTTON_POSITIVE)
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btn.isEnabled = passwordEditText.text?.isNotEmpty() ?: false
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}
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private fun sendPassword() {
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val password = passwordEditText.text.toString()
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if (!TextUtils.isEmpty(password)) {
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(activity as PdfViewer).loadPdfWithPassword(password)
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}
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}
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override fun onStart() {
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super.onStart()
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updatePositiveButton()
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passwordEditText.requestFocus()
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}
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override fun onResume() {
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super.onResume()
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(dialog as AlertDialog).getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener {
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sendPassword()
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}
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}
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}
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