X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FEditBookmarkDialog.java;h=492c113ad710786239584b1ffc35b262be03d790;hp=974346ded97a5a05ebf51cbce4c6f6989a24f11c;hb=0a5d2eabceeafb49a957598538aa74d4f11dfce0;hpb=e923db59fff5ad31f08679c84678cdfb1ca87d63 diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDialog.java index 974346de..492c113a 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDialog.java +++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkDialog.java @@ -1,5 +1,5 @@ /* - * Copyright 2016-2017 Soren Stoutner . + * Copyright © 2016-2018 Soren Stoutner . * * This file is part of Privacy Browser . * @@ -29,29 +29,41 @@ import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.support.annotation.NonNull; -// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22. +// `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22. import android.support.v7.app.AppCompatDialogFragment; +import android.text.Editable; +import android.text.TextWatcher; import android.view.KeyEvent; import android.view.View; import android.view.WindowManager; +import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; +import android.widget.RadioButton; +import android.widget.RadioGroup; -import com.stoutner.privacybrowser.activities.BookmarksActivity; -import com.stoutner.privacybrowser.activities.MainWebViewActivity; import com.stoutner.privacybrowser.R; +import com.stoutner.privacybrowser.activities.MainWebViewActivity; import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper; public class EditBookmarkDialog extends AppCompatDialogFragment { + // Instantiate the class variables. + private EditBookmarkListener editBookmarkListener; + private int selectedBookmarkDatabaseId; + private EditText nameEditText; + private EditText urlEditText; + private RadioButton newIconRadioButton; + private Button editButton; + private String currentName; + private String currentUrl; + // The public interface is used to send information back to the parent activity. public interface EditBookmarkListener { - void onSaveEditBookmark(AppCompatDialogFragment dialogFragment); + void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId); } - // `editBookmarkListener` is used in `onAttach()` and `onCreateDialog()` - private EditBookmarkListener editBookmarkListener; - public void onAttach(Context context) { + // Run the default commands. super.onAttach(context); // Get a handle for `EditBookmarkListener` from `context`. @@ -62,111 +74,222 @@ public class EditBookmarkDialog extends AppCompatDialogFragment { } } + // Store the database ID in the arguments bundle. + public static EditBookmarkDialog bookmarkDatabaseId(int databaseId) { + // Create a bundle. + Bundle bundle = new Bundle(); + + // Store the bookmark database ID in the bundle. + bundle.putInt("Database ID", databaseId); + + // Add the bundle to the dialog. + EditBookmarkDialog editBookmarkDialog = new EditBookmarkDialog(); + editBookmarkDialog.setArguments(bundle); + + // Return the new dialog. + return editBookmarkDialog; + } + + @Override + public void onCreate(Bundle savedInstanceState) { + // Run the default commands. + super.onCreate(savedInstanceState); + + // Remove the incorrect lint warning that `getInt()` might be null. + assert getArguments() != null; + + // Store the bookmark database ID in the class variable. + selectedBookmarkDatabaseId = getArguments().getInt("Database ID"); + } + // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`. @SuppressLint("InflateParams") @Override @NonNull public Dialog onCreateDialog(Bundle savedInstanceState) { - // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`. - long[] selectedBookmarkLongArray = BookmarksActivity.checkedItemIds; - int selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0]; + // Initialize the database helper. The two `nulls` do not specify the database name or a `CursorFactory`. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`. + BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0); - // Get a `Cursor` with the specified bookmark and move it to the first position. - Cursor bookmarkCursor = BookmarksActivity.bookmarksDatabaseHelper.getBookmarkCursor(selectedBookmarkDatabaseId); + // Get a `Cursor` with the selected bookmark and move it to the first position. + Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(selectedBookmarkDatabaseId); bookmarkCursor.moveToFirst(); - // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text. - AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog); + // Use an alert dialog builder to create the alert dialog. + AlertDialog.Builder dialogBuilder; + + // Set the style according to the theme. + if (MainWebViewActivity.darkTheme) { + dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark); + } else { + dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight); + } + + // Set the title. dialogBuilder.setTitle(R.string.edit_bookmark); - // The parent view is `null` because it will be assigned by `AlertDialog`. + + // Remove the incorrect lint warning that `getActivity()` might be null. + assert getActivity() != null; + + // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`. dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.edit_bookmark_dialog, null)); - // Set an `onClick()` listener for the negative button. - dialogBuilder.setNegativeButton(R.string.cancel, new Dialog.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - // Do nothing. The `AlertDialog` will close automatically. - } + // Set the listener for the negative button. + dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> { + // Do nothing. The `AlertDialog` will close automatically. }); - // Set the `onClick()` listener fo the positive button. - dialogBuilder.setPositiveButton(R.string.save, new Dialog.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - // Return the `DialogFragment` to the parent activity on save. - editBookmarkListener.onSaveEditBookmark(EditBookmarkDialog.this); - } + // Set the listener fo the positive button. + dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> { + // Return the `DialogFragment` to the parent activity on save. + editBookmarkListener.onSaveBookmark(EditBookmarkDialog.this, selectedBookmarkDatabaseId); }); - - // Create an `AlertDialog` from the `AlertDialog.Builder`. + // Create an alert dialog from the alert dialog builder. final AlertDialog alertDialog = dialogBuilder.create(); - // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`. + // Remove the warning below that `getWindow()` might be null. assert alertDialog.getWindow() != null; - // Show the keyboard when `alertDialog` is displayed on the screen. + // Disable screenshots if not allowed. + if (!MainWebViewActivity.allowScreenshots) { + alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE); + } + + // Show the keyboard when the alert dialog is displayed on the screen. alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); - // We need to show the `AlertDialog` before we can modify items in the layout. + // The alert dialog must be shown before items in the layout can be modified. alertDialog.show(); + // Get handles for the layout items. + RadioGroup iconRadioGroup = alertDialog.findViewById(R.id.edit_bookmark_icon_radiogroup); + ImageView currentIconImageView = alertDialog.findViewById(R.id.edit_bookmark_current_icon); + ImageView newFavoriteIconImageView = alertDialog.findViewById(R.id.edit_bookmark_webpage_favorite_icon); + newIconRadioButton = alertDialog.findViewById(R.id.edit_bookmark_webpage_favorite_icon_radiobutton); + nameEditText = alertDialog.findViewById(R.id.edit_bookmark_name_edittext); + urlEditText = alertDialog.findViewById(R.id.edit_bookmark_url_edittext); + editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE); + // Get the current favorite icon byte array from the `Cursor`. byte[] currentIconByteArray = bookmarkCursor.getBlob(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON)); + // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last. Bitmap currentIconBitmap = BitmapFactory.decodeByteArray(currentIconByteArray, 0, currentIconByteArray.length); + // Display `currentIconBitmap` in `edit_bookmark_current_icon`. - ImageView currentIconImageView = (ImageView) alertDialog.findViewById(R.id.edit_bookmark_current_icon); currentIconImageView.setImageBitmap(currentIconBitmap); // Get a `Bitmap` of the favorite icon from `MainWebViewActivity` and display it in `edit_bookmark_web_page_favorite_icon`. - ImageView newFavoriteIconImageView = (ImageView) alertDialog.findViewById(R.id.edit_bookmark_web_page_favorite_icon); - newFavoriteIconImageView.setImageBitmap(MainWebViewActivity.favoriteIcon); + newFavoriteIconImageView.setImageBitmap(MainWebViewActivity.favoriteIconBitmap); + + // Store the current bookmark name and URL. + currentName = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + currentUrl = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)); - // Load the text for `edit_bookmark_name_edittext`. - EditText bookmarkNameEditText = (EditText) alertDialog.findViewById(R.id.edit_bookmark_name_edittext); - bookmarkNameEditText.setText(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME))); + // Populate the `EditTexts`. + nameEditText.setText(currentName); + urlEditText.setText(currentUrl); + + // Initially disable the edit button. + editButton.setEnabled(false); + + // Update the edit button if the icon selection changes. + iconRadioGroup.setOnCheckedChangeListener((RadioGroup group, int checkedId) -> { + // Update the edit button. + updateEditButton(); + }); + + // Update the edit button if the bookmark name changes. + nameEditText.addTextChangedListener(new TextWatcher() { + @Override + public void beforeTextChanged(CharSequence s, int start, int count, int after) { + // Do nothing. + } + + @Override + public void onTextChanged(CharSequence s, int start, int before, int count) { + // Do nothing. + } + + @Override + public void afterTextChanged(Editable s) { + // Update the edit button. + updateEditButton(); + } + }); + + // Update the edit button if the URL changes. + urlEditText.addTextChangedListener(new TextWatcher() { + @Override + public void beforeTextChanged(CharSequence s, int start, int count, int after) { + // Do nothing. + } - // Allow the `enter` key on the keyboard to save the bookmark from `edit_bookmark_name_edittext`. - bookmarkNameEditText.setOnKeyListener(new View.OnKeyListener() { @Override - public boolean onKey(View v, int keyCode, KeyEvent event) { - // If the event is an `ACTION_DOWN` on the `enter` key, save the bookmark. - if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { - // Trigger `onSaveEditBookmark()` and return the `DialogFragment` to the parent activity. - editBookmarkListener.onSaveEditBookmark(EditBookmarkDialog.this); - // Manually dismiss `alertDialog`. - alertDialog.dismiss(); - // Consume the event. - return true; - } else { // If any other key was pressed, do not consume the event. - return false; - } + public void onTextChanged(CharSequence s, int start, int before, int count) { + // Do nothing. + } + + @Override + public void afterTextChanged(Editable s) { + // Update the edit button. + updateEditButton(); + } + }); + + // Allow the `enter` key on the keyboard to save the bookmark from the bookmark name `EditText`. + nameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> { + // Save the bookmark if the event is a key-down on the "enter" button. + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled. + // Trigger the `Listener` and return the `DialogFragment` to the parent activity. + editBookmarkListener.onSaveBookmark(EditBookmarkDialog.this, selectedBookmarkDatabaseId); + + // Manually dismiss `alertDialog`. + alertDialog.dismiss(); + + // Consume the event. + return true; + } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event. + return false; } }); - // Load the text for `edit_bookmark_url_edittext`. - EditText bookmarkUrlEditText = (EditText) alertDialog.findViewById(R.id.edit_bookmark_url_edittext); - bookmarkUrlEditText.setText(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL))); - - // Allow the "enter" key on the keyboard to save the bookmark from `edit_bookmark_url_edittext`. - bookmarkUrlEditText.setOnKeyListener(new View.OnKeyListener() { - public boolean onKey(View v, int keyCode, KeyEvent event) { - // If the event is a key-down on the `enter` button, select the PositiveButton `Save`. - if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { - // Trigger `editBookmarkListener` and return the DialogFragment to the parent activity. - editBookmarkListener.onSaveEditBookmark(EditBookmarkDialog.this); - // Manually dismiss the `AlertDialog`. - alertDialog.dismiss(); - // Consume the event. - return true; - } else { // If any other key was pressed, do not consume the event. - return false; - } + // Allow the "enter" key on the keyboard to save the bookmark from the URL `EditText`. + urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> { + // Save the bookmark if the event is a key-down on the "enter" button. + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled. + // Trigger the `Listener` and return the DialogFragment to the parent activity. + editBookmarkListener.onSaveBookmark(EditBookmarkDialog.this, selectedBookmarkDatabaseId); + + // Manually dismiss the `AlertDialog`. + alertDialog.dismiss(); + + // Consume the event. + return true; + } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event. + return false; } }); // `onCreateDialog` requires the return of an `AlertDialog`. return alertDialog; } + + private void updateEditButton() { + // Get the text from the `EditTexts`. + String newName = nameEditText.getText().toString(); + String newUrl = urlEditText.getText().toString(); + + // Has the favorite icon changed? + boolean iconChanged = newIconRadioButton.isChecked(); + + // Has the name changed? + boolean nameChanged = !newName.equals(currentName); + + // Has the URL changed? + boolean urlChanged = !newUrl.equals(currentUrl); + + // Update the enabled status of the edit button. + editButton.setEnabled(iconChanged || nameChanged || urlChanged); + } } \ No newline at end of file