+/*
+ * Copyright © 2019 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/>.
+ *
+ *
+ *
+ * This file is a modified version of <https://android.googlesource.com/platform/packages/apps/Camera/+/master/src/com/android/camera/ui/CheckedLinearLayout.java>.
+ *
+ * The original licensing information is below.
+ *
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.stoutner.privacybrowser.views;
+
+import android.content.Context;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.Checkable;
+import android.widget.LinearLayout;
+
+public class CheckedLinearLayout extends LinearLayout implements Checkable {
+ private boolean isCurrentlyChecked;
+ private static final int[] CHECKED_STATE_SET = {
+ android.R.attr.state_checked
+ };
+
+ public CheckedLinearLayout(Context context) {
+ // Run the default commands.
+ super(context);
+ }
+
+ public CheckedLinearLayout(Context context, @Nullable AttributeSet attributeSet) {
+ // Run the default commands.
+ super(context, attributeSet);
+ }
+
+ public CheckedLinearLayout(Context context, @Nullable AttributeSet attributeSet, int defaultStyleAttribute) {
+ // Run the default commands.
+ super(context, attributeSet, defaultStyleAttribute);
+ }
+
+ /* This constructor can only be added once the minimum API >= 21.
+ public CheckedLinearLayout(Context context, @Nullable AttributeSet attributeSet, int defaultStyleAttribute, int defaultStyleResource) {
+ // Run the default commands.
+ super(context, attributeSet, defaultStyleAttribute, defaultStyleResource);
+ } */
+
+ @Override
+ public boolean isChecked() {
+ // Return the checked status.
+ return isCurrentlyChecked;
+ }
+
+ @Override
+ public void setChecked(boolean checked) {
+ // Only process the command if a change is requested.
+ if (isCurrentlyChecked != checked) {
+ // Update the is currently checked tracker.
+ isCurrentlyChecked = checked;
+
+ // Refresh the drawable state.
+ refreshDrawableState();
+
+ // Propagate the checked status to the child views.
+ for (int i = 0; i < getChildCount(); i++) {
+ // Get a handle for the child view.
+ View childView = getChildAt(i);
+
+ // Propagate the checked status if the child view is checkable.
+ if (childView instanceof Checkable) {
+ // Cast the child view to `Checkable`.
+ Checkable checkableChildView = (Checkable) childView;
+
+ // Set the checked status.
+ checkableChildView.setChecked(checked);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void toggle() {
+ // Toggle the state.
+ setChecked(!isCurrentlyChecked);
+ }
+
+ @Override
+ public int[] onCreateDrawableState(int extraSpace) {
+ final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
+
+ if (isCurrentlyChecked) {
+ mergeDrawableStates(drawableState, CHECKED_STATE_SET);
+ }
+
+ return drawableState;
+ }
+}
projects / PrivacyBrowserAndroid.git / commitdiff