]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/CreateBookmarkFolder.java
Add the ability to create and edit bookmark folders.
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / CreateBookmarkFolder.java
diff --git a/app/src/main/java/com/stoutner/privacybrowser/CreateBookmarkFolder.java b/app/src/main/java/com/stoutner/privacybrowser/CreateBookmarkFolder.java
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+/**
+ * Copyright 2016 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser 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 Browser 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.privacybrowser;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.DialogInterface;
+import android.os.Bundle;
+// If we don't use `android.support.v7.app.AlertDialog` instead of `android.app.AlertDialog` then the dialog will be covered by the keyboard.
+import android.support.v7.app.AlertDialog;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.EditText;
+import android.widget.ImageView;
+
+public class CreateBookmarkFolder extends DialogFragment {
+    // The public interface is used to send information back to the parent activity.
+    public interface CreateBookmarkFolderListener {
+        void onCancelCreateBookmarkFolder(DialogFragment dialogFragment);
+
+        void onCreateBookmarkFolder(DialogFragment dialogFragment);
+    }
+
+    // `createBookmarkFolderListener` is used in `onAttach()` and `onCreateDialog`.
+    private CreateBookmarkFolderListener createBookmarkFolderListener;
+
+    public void onAttach(Activity parentActivity) {
+        super.onAttach(parentActivity);
+
+        // Get a handle for `createBookmarkFolderListener` from `parentActivity`.
+        try {
+            createBookmarkFolderListener = (CreateBookmarkFolderListener) parentActivity;
+        } catch(ClassCastException exception) {
+            throw new ClassCastException(parentActivity.toString() + " must implement CreateBookmarkFolderListener.");
+        }
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        // Use `AlertDialog.Builder` to create the `AlertDialog`.  The style formats the color of the button text.
+        final AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
+        dialogBuilder.setTitle(R.string.create_folder);
+        // The parent view is `null` because it will be assigned by the `AlertDialog`.
+        dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.create_bookmark_folder_dialog, null));
+
+        // Set an `onClick()` listener for the negative button.
+        dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                // Return the `DialogFragment` to the parent activity on cancel.
+                createBookmarkFolderListener.onCancelCreateBookmarkFolder(CreateBookmarkFolder.this);
+            }
+        });
+
+        // Set an `onClick()` listener fo the positive button.
+        dialogBuilder.setPositiveButton(R.string.create, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                // Return the `DialogFragment` to the parent activity on create.
+                createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolder.this);
+            }
+        });
+
+
+        // Create an `AlertDialog` from the `AlertDialog.Builder`.
+        final AlertDialog alertDialog = dialogBuilder.create();
+
+        // Show the keyboard when the `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 call `setOnKeyListener()` below.
+        alertDialog.show();
+
+        // Allow the `enter` key on the keyboard to create the folder from `create_folder_name_edittext`.
+        EditText createFolderNameEditText = (EditText) alertDialog.findViewById(R.id.create_folder_name_edittext);
+        assert createFolderNameEditText != null;  // Remove the warning below that `createFolderNameEditText` might be `null`.
+        createFolderNameEditText.setOnKeyListener(new View.OnKeyListener() {
+            public boolean onKey(View v, int keyCode, KeyEvent event) {
+                // If the event is a key-down on the `enter` key, select the `PositiveButton` `Create`.
+                if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
+                    // Trigger `createBookmarkFolderListener` and return the `DialogFragment` to the parent activity.
+                    createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolder.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;
+                }
+            }
+        });
+
+        // Display the current favorite icon.
+        ImageView webPageIconImageView = (ImageView) alertDialog.findViewById(R.id.create_folder_web_page_icon);
+        assert webPageIconImageView != null;  // Remove the warning that `webPageIconImageView` may be null.
+        webPageIconImageView.setImageBitmap(MainWebViewActivity.favoriteIcon);
+
+        // `onCreateDialog()` requires the return of an `AlertDialog`.
+        return alertDialog;
+    }
+}
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