Display the folder icons in the spinners in the bookmarks database view activity...

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / views / CheckedLinearLayout.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/views/CheckedLinearLayout.java b/app/src/main/java/com/stoutner/privacybrowser/views/CheckedLinearLayout.java
new file mode 100644 (file)
index 0000000..e9bc804
--- /dev/null
+++ b/app/src/main/java/com/stoutner/privacybrowser/views/CheckedLinearLayout.java
@@ -0,0 +1,125 @@
+/*
+ * 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;
+    }
+}