Convert the flavor specific Java classes to Kotlin. https://redmine.stoutner.com...
[PrivacyBrowser.git] / app / src / main / java / com / stoutner / privacybrowser / activities / ViewSourceActivity.kt
index 173313f65da654b540f2d88af163bc59ba176aa3..b2d50e7c79e96f56fc15c82a51588d73aadd95ff 100644 (file)
@@ -50,6 +50,8 @@ import com.google.android.material.snackbar.Snackbar
 
 import com.stoutner.privacybrowser.R
 import com.stoutner.privacybrowser.dialogs.AboutViewSourceDialog
+import com.stoutner.privacybrowser.dialogs.UntrustedSslCertificateDialog
+import com.stoutner.privacybrowser.dialogs.UntrustedSslCertificateDialog.UntrustedSslCertificateListener
 import com.stoutner.privacybrowser.helpers.ProxyHelper
 import com.stoutner.privacybrowser.viewmodelfactories.WebViewSourceFactory
 import com.stoutner.privacybrowser.viewmodels.WebViewSource
@@ -60,18 +62,29 @@ import java.util.Locale
 const val CURRENT_URL = "current_url"
 const val USER_AGENT = "user_agent"
 
-class ViewSourceActivity: AppCompatActivity() {
+class ViewSourceActivity: AppCompatActivity(), UntrustedSslCertificateListener {
     // Declare the class variables.
     private lateinit var initialGrayColorSpan: ForegroundColorSpan
     private lateinit var finalGrayColorSpan: ForegroundColorSpan
     private lateinit var redColorSpan: ForegroundColorSpan
+    private lateinit var webViewSource: WebViewSource
+
+    // Declare the class views.
+    private lateinit var urlEditText: EditText
+    private lateinit var requestHeadersTitleTextView: TextView
+    private lateinit var requestHeadersTextView: TextView
+    private lateinit var responseMessageTitleTextView: TextView
+    private lateinit var responseMessageTextView: TextView
+    private lateinit var responseHeadersTitleTextView: TextView
+    private lateinit var responseBodyTitleTextView: TextView
 
     override fun onCreate(savedInstanceState: Bundle?) {
         // Get a handle for the shared preferences.
         val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(applicationContext)
 
-        // Get the screenshot preference.
+        // Get the preferences.
         val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
+        val bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false)
 
         // Disable screenshots if not allowed.
         if (!allowScreenshots) {
@@ -88,11 +101,15 @@ class ViewSourceActivity: AppCompatActivity() {
         val intent = intent
 
         // Get the information from the intent.
-        val currentUrl = intent.getStringExtra(CURRENT_URL)
-        val userAgent = intent.getStringExtra(USER_AGENT)
+        val currentUrl = intent.getStringExtra(CURRENT_URL)!!
+        val userAgent = intent.getStringExtra(USER_AGENT)!!
 
         // Set the content view.
-        setContentView(R.layout.view_source_coordinatorlayout)
+        if (bottomAppBar) {
+            setContentView(R.layout.view_source_coordinatorlayout_bottom_appbar)
+        } else {
+            setContentView(R.layout.view_source_coordinatorlayout_top_appbar)
+        }
 
         // Get a handle for the toolbar.
         val toolbar = findViewById<Toolbar>(R.id.view_source_toolbar)
@@ -110,13 +127,17 @@ class ViewSourceActivity: AppCompatActivity() {
         actionBar.displayOptions = ActionBar.DISPLAY_SHOW_CUSTOM
 
         // Get handles for the views.
-        val urlEditText = findViewById<EditText>(R.id.url_edittext)
-        val requestHeadersTextView = findViewById<TextView>(R.id.request_headers)
-        val responseMessageTextView = findViewById<TextView>(R.id.response_message)
-        val responseHeadersTextView = findViewById<TextView>(R.id.response_headers)
-        val responseBodyTextView = findViewById<TextView>(R.id.response_body)
+        urlEditText = findViewById(R.id.url_edittext)
         val progressBar = findViewById<ProgressBar>(R.id.progress_bar)
         val swipeRefreshLayout = findViewById<SwipeRefreshLayout>(R.id.view_source_swiperefreshlayout)
+        requestHeadersTitleTextView = findViewById(R.id.request_headers_title_textview)
+        requestHeadersTextView = findViewById(R.id.request_headers_textview)
+        responseMessageTitleTextView = findViewById(R.id.response_message_title_textview)
+        responseMessageTextView = findViewById(R.id.response_message_textview)
+        responseHeadersTitleTextView = findViewById(R.id.response_headers_title_textivew)
+        val responseHeadersTextView = findViewById<TextView>(R.id.response_headers_textview)
+        responseBodyTitleTextView = findViewById(R.id.response_body_title_textview)
+        val responseBodyTextView = findViewById<TextView>(R.id.response_body_textview)
 
         // Populate the URL text box.
         urlEditText.setText(currentUrl)
@@ -253,11 +274,14 @@ class ViewSourceActivity: AppCompatActivity() {
         // Set the progress bar to be indeterminate.
         progressBar.isIndeterminate = true
 
+        // Update the layout.
+        updateLayout(currentUrl)
+
         // Instantiate the WebView source factory.
-        val webViewSourceFactory: ViewModelProvider.Factory = WebViewSourceFactory(currentUrl!!, userAgent!!, localeString, proxy, MainWebViewActivity.executorService)
+        val webViewSourceFactory: ViewModelProvider.Factory = WebViewSourceFactory(currentUrl, userAgent, localeString, proxy, contentResolver, MainWebViewActivity.executorService)
 
         // Instantiate the WebView source view model class.
-        val webViewSource = ViewModelProvider(this, webViewSourceFactory).get(WebViewSource::class.java)
+        webViewSource = ViewModelProvider(this, webViewSourceFactory).get(WebViewSource::class.java)
 
         // Create a source observer.
         webViewSource.observeSource().observe(this, { sourceStringArray: Array<SpannableStringBuilder> ->
@@ -279,7 +303,16 @@ class ViewSourceActivity: AppCompatActivity() {
         webViewSource.observeErrors().observe(this, { errorString: String ->
             // Display an error snackbar if the string is not `""`.
             if (errorString != "") {
-                Snackbar.make(swipeRefreshLayout, errorString, Snackbar.LENGTH_LONG).show()
+                if (errorString.startsWith("javax.net.ssl.SSLHandshakeException")) {
+                    // Instantiate the untrusted SSL certificate dialog.
+                    val untrustedSslCertificateDialog = UntrustedSslCertificateDialog()
+
+                    // Show the untrusted SSL certificate dialog.
+                    untrustedSslCertificateDialog.show(supportFragmentManager, getString(R.string.invalid_certificate))
+                } else {
+                    // Display a snackbar with the error message.
+                    Snackbar.make(swipeRefreshLayout, errorString, Snackbar.LENGTH_LONG).show()
+                }
             }
         })
 
@@ -294,8 +327,11 @@ class ViewSourceActivity: AppCompatActivity() {
             // Get the URL.
             val urlString = urlEditText.text.toString()
 
+            // Update the layout.
+            updateLayout(urlString)
+
             // Get the updated source.
-            webViewSource.updateSource(urlString)
+            webViewSource.updateSource(urlString, false)
         }
 
         // Set the go button on the keyboard to request new source data.
@@ -317,8 +353,11 @@ class ViewSourceActivity: AppCompatActivity() {
                 // Get the URL.
                 val urlString = urlEditText.text.toString()
 
+                // Update the layout.
+                updateLayout(urlString)
+
                 // Get the updated source.
-                webViewSource.updateSource(urlString)
+                webViewSource.updateSource(urlString, false)
 
                 // Consume the key press.
                 return@setOnKeyListener true
@@ -330,7 +369,7 @@ class ViewSourceActivity: AppCompatActivity() {
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
-        // Inflate the menu.  This adds items to the action bar if it is present.
+        // Inflate the menu.
         menuInflater.inflate(R.menu.view_source_options_menu, menu)
 
         // Display the menu.
@@ -338,7 +377,7 @@ class ViewSourceActivity: AppCompatActivity() {
     }
 
     override fun onOptionsItemSelected(menuItem: MenuItem): Boolean {
-        // Get a handle for the about alert dialog.
+        // Instantiate the about dialog fragment.
         val aboutDialogFragment: DialogFragment = AboutViewSourceDialog()
 
         // Show the about alert dialog.
@@ -354,6 +393,11 @@ class ViewSourceActivity: AppCompatActivity() {
         NavUtils.navigateUpFromSameTask(this)
     }
 
+    override fun loadAnyway() {
+        // Load the URL anyway.
+        webViewSource.updateSource(urlEditText.text.toString(), true)
+    }
+
     private fun highlightUrlText() {
         // Get a handle for the URL edit text.
         val urlEditText = findViewById<EditText>(R.id.url_edittext)
@@ -411,4 +455,28 @@ class ViewSourceActivity: AppCompatActivity() {
             }
         }
     }
+
+    private fun updateLayout(urlString: String) {
+        if (urlString.startsWith("content://")) {  // This is a content URL.
+            // Hide the unused text views.
+            requestHeadersTitleTextView.visibility = View.GONE
+            requestHeadersTextView.visibility = View.GONE
+            responseMessageTitleTextView.visibility = View.GONE
+            responseMessageTextView.visibility = View.GONE
+
+            // Change the text of the remaining title text views.
+            responseHeadersTitleTextView.setText(R.string.content_metadata)
+            responseBodyTitleTextView.setText(R.string.content_data)
+        } else {  // This is not a content URL.
+            // Show the views.
+            requestHeadersTitleTextView.visibility = View.VISIBLE
+            requestHeadersTextView.visibility = View.VISIBLE
+            responseMessageTitleTextView.visibility = View.VISIBLE
+            responseMessageTextView.visibility = View.VISIBLE
+
+            // Restore the text of the other title text views.
+            responseHeadersTitleTextView.setText(R.string.response_headers)
+            responseBodyTitleTextView.setText(R.string.response_body)
+        }
+    }
 }
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