fix: 首次提交

SettingsLib/BarChartPreference/src/com/android/settingslib/widget/BarViewInfo.java

@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2018 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.android.settingslib.widget;
+
+import android.graphics.drawable.Drawable;
+import android.view.View;
+
+import androidx.annotation.IntRange;
+import androidx.annotation.Nullable;
+
+import java.util.Comparator;
+import com.android.settingslib.widget.preference.barchart.R;
+/**
+ * A class responsible for saving bar view information.
+ */
+public class BarViewInfo implements Comparable<BarViewInfo> {
+
+    private final Drawable mIcon;
+    private View.OnClickListener mClickListener;
+    private CharSequence mTitle;
+    private CharSequence mSummary;
+    private @Nullable CharSequence mContentDescription;
+    // A number indicates this bar's height. The larger number shows a higher bar view.
+    private int mHeight;
+    // A real height of bar view.
+    private int mNormalizedHeight;
+
+    /**
+     * Construct a BarViewInfo instance.
+     *
+     * @param icon      The icon of bar view.
+     * @param barHeight The height of bar view. Larger number shows a higher bar view.
+     * @param title     The string for title.  If this is null, use the height of the bar.
+     * @param summary   The string for summary.
+     * @param contentDescription Optional text that briefly describes the contents of the icon.
+     */
+    public BarViewInfo(Drawable icon, @IntRange(from = 0) int barHeight,
+            @Nullable CharSequence title, CharSequence summary,
+            @Nullable CharSequence contentDescription) {
+        mIcon = icon;
+        mHeight = barHeight;
+        mTitle = title;
+        mSummary = summary;
+        mContentDescription = contentDescription;
+    }
+
+    /**
+     * Set a click listener for bar view.
+     */
+    public void setClickListener(@Nullable View.OnClickListener listener) {
+        mClickListener = listener;
+    }
+
+    @Override
+    public int compareTo(BarViewInfo other) {
+        // Descending order
+        return Comparator.comparingInt((BarViewInfo barViewInfo) -> barViewInfo.mHeight)
+                .compare(other, this);
+    }
+
+    void setHeight(@IntRange(from = 0) int height) {
+        mHeight = height;
+    }
+
+    void setTitle(CharSequence title) {
+        mTitle = title;
+    }
+
+    void setSummary(CharSequence summary) {
+        mSummary = summary;
+    }
+
+    Drawable getIcon() {
+        return mIcon;
+    }
+
+    int getHeight() {
+        return mHeight;
+    }
+
+    View.OnClickListener getClickListener() {
+        return mClickListener;
+    }
+
+    @Nullable
+    CharSequence getTitle() {
+        return mTitle;
+    }
+
+    CharSequence getSummary() {
+        return mSummary;
+    }
+
+    public @Nullable CharSequence getContentDescription() {
+        return mContentDescription;
+    }
+
+    void setNormalizedHeight(@IntRange(from = 0) int barHeight) {
+        mNormalizedHeight = barHeight;
+    }
+
+    int getNormalizedHeight() {
+        return mNormalizedHeight;
+    }
+}