UsageView.java

/*
 * Copyright (C) 2016 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 tk.wasdennnoch.androidn_ify.extracted.settingslib;

import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.util.SparseIntArray;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;

import tk.wasdennnoch.androidn_ify.R;
import tk.wasdennnoch.androidn_ify.utils.ResourceUtils;

public class UsageView extends FrameLayout {

    private final UsageGraph mUsageGraph;
    private final TextView[] mLabels;
    private final TextView[] mBottomLabels;

    public UsageView(Context context, int textColor, int accentColor) {
        this(context, textColor, accentColor, false);
    }

    @SuppressWarnings("RtlHardcoded")
    public UsageView(Context context, int textColor, int accentColor, boolean rightLabels) {
        super(context);

        Context ownContext = ResourceUtils.createOwnContext(context);
        ResourceUtils res = ResourceUtils.getInstance(context);

        LayoutInflater.from(ownContext).inflate(R.layout.usage_view, this);

        int usageGraphMarginBottom = res.getDimensionPixelSize(R.dimen.usage_graph_margin_top_bottom);
        LinearLayout layout = (LinearLayout) findViewById(R.id.graph_label_group);
        LinearLayout.LayoutParams usageGraphLp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
        usageGraphLp.weight = 1;
        usageGraphLp.setMargins(0, usageGraphMarginBottom, 0, usageGraphMarginBottom);
        UsageGraph usageGraph = new UsageGraph(context, null);
        usageGraph.setId(R.id.usage_graph);
        usageGraph.setLayoutParams(usageGraphLp);
        if (rightLabels) {
            layout.addView(usageGraph, 0);
            ((LinearLayout) layout.findViewById(R.id.label_group)).setGravity(Gravity.RIGHT);
            View bottomLabelGroup = findViewById(R.id.bottom_label_group);
            bottomLabelGroup.setPadding(bottomLabelGroup.getPaddingRight(), 0, bottomLabelGroup.getPaddingLeft(), 0);
        } else {
            layout.addView(usageGraph);
        }

        mUsageGraph = (UsageGraph) findViewById(R.id.usage_graph);
        mLabels = new TextView[] {
                (TextView) findViewById(R.id.label_bottom),
                (TextView) findViewById(R.id.label_middle),
                (TextView) findViewById(R.id.label_top),
        };
        mBottomLabels = new TextView[] {
                (TextView) findViewById(R.id.label_start),
                (TextView) findViewById(R.id.label_end),
        };
        for (TextView v : mLabels) {
            v.setTextColor(textColor);
        }
        for (TextView v : mBottomLabels) {
            v.setTextColor(textColor);
        }
        mUsageGraph.setAccentColor(accentColor);
    }

    public UsageView(Context context, AttributeSet attrs) {
        super(context, attrs);

        Context ownContext = ResourceUtils.createOwnContext(context);

        LayoutInflater.from(ownContext).inflate(R.layout.usage_view, this);
        mUsageGraph = (UsageGraph) findViewById(R.id.usage_graph);
        mLabels = new TextView[] {
                (TextView) findViewById(R.id.label_bottom),
                (TextView) findViewById(R.id.label_middle),
                (TextView) findViewById(R.id.label_top),
        };
        mBottomLabels = new TextView[] {
                (TextView) findViewById(R.id.label_start),
                (TextView) findViewById(R.id.label_end),
        };
        TypedArray a = ownContext.obtainStyledAttributes(attrs, R.styleable.UsageView, 0, 0);
        if (a.hasValue(R.styleable.UsageView_sideLabels)) {
            setSideLabels(a.getTextArray(R.styleable.UsageView_sideLabels));
        }
        if (a.hasValue(R.styleable.UsageView_bottomLabels)) {
            setBottomLabels(a.getTextArray(R.styleable.UsageView_bottomLabels));
        }
        if (a.hasValue(R.styleable.UsageView_textColor)) {
            int color = a.getColor(R.styleable.UsageView_textColor, 0);
            for (TextView v : mLabels) {
                v.setTextColor(color);
            }
            for (TextView v : mBottomLabels) {
                v.setTextColor(color);
            }
        }
        mUsageGraph.setAccentColor(a.getColor(R.styleable.UsageView_android_colorAccent, 0));
        a.recycle();
    }

    public void clearPaths() {
        mUsageGraph.clearPaths();
    }

    public void addPath(SparseIntArray points) {
        mUsageGraph.addPath(points);
    }

    public void configureGraph(int maxX, int maxY, boolean showProjection, boolean projectUp) {
        mUsageGraph.setMax(maxX, maxY);
        mUsageGraph.setShowProjection(showProjection, projectUp);
    }

    public void setAccentColor(int color) {
        mUsageGraph.setAccentColor(color);
    }

    public void setDividerLoc(int dividerLoc) {
        mUsageGraph.setDividerLoc(dividerLoc);
    }

    public void setDividerColors(int middleColor, int topColor) {
        mUsageGraph.setDividerColors(middleColor, topColor);
    }

    public void setSideLabelWeights(float before, float after) {
        setWeight(R.id.space1, before);
        setWeight(R.id.space2, after);
    }

    private void setWeight(int id, float weight) {
        View v = findViewById(id);
        LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) v.getLayoutParams();
        params.weight = weight;
        v.setLayoutParams(params);
    }

    public void setSideLabels(CharSequence[] labels) {
        if (labels.length != mLabels.length) {
            throw new IllegalArgumentException("Invalid number of labels");
        }
        for (int i = 0; i < mLabels.length; i++) {
            mLabels[i].setText(labels[i]);
        }
    }

    public void setBottomLabels(CharSequence[] labels) {
        if (labels.length != mBottomLabels.length) {
            throw new IllegalArgumentException("Invalid number of labels");
        }
        for (int i = 0; i < mBottomLabels.length; i++) {
            mBottomLabels[i].setText(labels[i]);
        }
    }

}