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88 lines
3.1 KiB
88 lines
3.1 KiB
package dev.lowrespalmtree.comet
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import android.annotation.SuppressLint
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import android.app.Activity
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import android.net.Uri
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import android.os.Bundle
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import android.util.Log
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import android.view.inputmethod.EditorInfo
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import android.view.inputmethod.InputMethodManager
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import androidx.appcompat.app.AlertDialog
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import androidx.appcompat.app.AppCompatActivity
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import androidx.lifecycle.MutableLiveData
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.ViewModelProvider
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import androidx.lifecycle.viewModelScope
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import dev.lowrespalmtree.comet.databinding.ActivityMainBinding
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import java.nio.ByteBuffer
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import java.nio.charset.Charset
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class MainActivity : AppCompatActivity() {
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private lateinit var binding: ActivityMainBinding
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private lateinit var pageViewModel: PageViewModel
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@SuppressLint("SetTextI18n")
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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binding = ActivityMainBinding.inflate(layoutInflater)
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setContentView(binding.root)
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pageViewModel = ViewModelProvider(this)[PageViewModel::class.java]
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binding.addressBar.setOnEditorActionListener { view, actionId, _ ->
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if (actionId == EditorInfo.IME_ACTION_DONE) {
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pageViewModel.sendRequest(view.text.toString())
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val imm = getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager
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imm.hideSoftInputFromWindow(view.windowToken, 0)
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view.clearFocus()
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true
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} else {
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false
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}
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}
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pageViewModel.sourceLiveData.observe(this, {
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binding.sourceBlock.text = it
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})
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pageViewModel.alertLiveData.observe(this, {
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AlertDialog.Builder(this)
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.setTitle(R.string.alert_title)
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.setMessage(it)
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.create()
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.show()
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})
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}
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class PageViewModel : ViewModel() {
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var source = ""
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val sourceLiveData: MutableLiveData<String> by lazy { MutableLiveData<String>() }
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val alertLiveData: MutableLiveData<String> by lazy { MutableLiveData<String>() }
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fun sendRequest(url: String) {
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Log.d(TAG, "sendRequest: $url")
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source = ""
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viewModelScope.launch(Dispatchers.IO) {
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val uri = Uri.parse(url)
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if (uri.scheme != "gemini") {
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alertLiveData.postValue("Unknown scheme.")
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return@launch
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}
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val request = Request(uri)
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val socket = request.connect()
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val channel = request.proceed(socket, this)
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val charset = Charset.defaultCharset()
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for (data in channel) {
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val decoded = charset.decode(ByteBuffer.wrap(data)).toString()
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source += decoded
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sourceLiveData.postValue(source)
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}
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}
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}
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}
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companion object {
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const val TAG = "MainActivity"
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}
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} |