+/*
+ * Copyright © 2021 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Cell <https://www.stoutner.com/privacy-cell>.
+ *
+ * Privacy Cell 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.
+ *
+ * Privacy Cell 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 Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacycell.dialogs
+
+import android.app.Dialog
+import android.content.res.Configuration
+import android.os.Bundle
+import android.webkit.WebView
+
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.webkit.WebSettingsCompat
+import androidx.webkit.WebViewFeature
+
+import com.stoutner.privacycell.R
+
+// Define the class constants.
+private const val DIALOG_TYPE = "dialog_type"
+private const val SCROLL_Y = "scroll_y"
+
+class WebViewDialog : DialogFragment() {
+ companion object {
+ // Define the public constants.
+ const val PERMISSIONS = 0
+ const val PRIVACY_POLICY = 1
+ const val CHANGELOG = 2
+ }
+
+ // Define the class views.
+ private lateinit var webView: WebView
+
+ // Populate the WebView dialog type.
+ fun type(dialogType: Int): WebViewDialog {
+ // Create an arguments bundle.
+ val argumentsBundle = Bundle()
+
+ // Add the dialog type to the bundle.
+ argumentsBundle.putInt(DIALOG_TYPE, dialogType)
+
+ // Create a new instance of the WebView dialog.
+ val webViewDialog = WebViewDialog()
+
+ // Add the arguments bundle to the new dialog.
+ webViewDialog.arguments = argumentsBundle
+
+ // Return the new dialog.
+ return webViewDialog
+ }
+
+ override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+ // Get the dialog type from the arguments bundle.
+ val dialogType = requireArguments().getInt(DIALOG_TYPE)
+
+ // Use a builder to create the alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.Theme_PrivacyCellAlertDialog)
+
+ // Set the icon and the title according to the dialog type.
+ when (dialogType) {
+ PERMISSIONS -> {
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.permissions)
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.permissions)
+ }
+
+ PRIVACY_POLICY -> {
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.privacy_policy)
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.privacy_policy)
+ }
+
+ CHANGELOG -> {
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.changelog)
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.changelog)
+ }
+ }
+
+ // Set the view.
+ dialogBuilder.setView(R.layout.webview_dialog)
+
+ // Set a listener on the close button. Using `null` as the listener closes the dialog without doing anything else.
+ dialogBuilder.setNegativeButton(R.string.close, null)
+
+ // Create an alert dialog from the builder.
+ val alertDialog = dialogBuilder.create()
+
+ // The alert dialog needs to be shown before the contents can be modified.
+ alertDialog.show()
+
+ // Get a handle for the WebView.
+ webView = alertDialog.findViewById(R.id.webview)!!
+
+ // Get the current theme status.
+ val currentThemeStatus = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
+
+ // Check to see if the app is in night mode.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES && WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) { // The app is in night mode.
+ // Apply the dark WebView theme.
+ WebSettingsCompat.setForceDark(webView.settings, WebSettingsCompat.FORCE_DARK_ON)
+ }
+
+ // Create a WebView asset loader. TODO.
+ // val webViewAssetLoader = WebViewAssetLoader.Builder().addPathHandler("/assets/", WebViewAssetLoader.AssetsPathHandler(requireContext())).build()
+
+ // Load the WebView data according to the dialog type.
+ when (dialogType) {
+ PERMISSIONS -> webView.loadUrl("file:///android_asset/en/permissions.html")
+ PRIVACY_POLICY -> webView.loadUrl("file:///android_asset/en/privacy_policy.html")
+ CHANGELOG -> webView.loadUrl("file:///android_asset/en/changelog.html")
+ }
+
+ // Scroll the WebView if the saved instance state is not null.
+ if (savedInstanceState != null) {
+ webView.post {
+ webView.scrollY = savedInstanceState.getInt(SCROLL_Y)
+ }
+ }
+
+ // Return the alert dialog.
+ return alertDialog
+ }
+
+ override fun onSaveInstanceState(savedInstanceState: Bundle) {
+ // Run the default commands.
+ super.onSaveInstanceState(savedInstanceState)
+
+ // Save the scroll position.
+ savedInstanceState.putInt(SCROLL_Y, webView.scrollY)
+ }
+}
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projects / PrivacyCell.git / commitdiff