ChartDataUsageDeprecatedPreference.java

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package com.android.settings.datausage;

import android.animation.LayoutTransition;

import android.content.Context;

import android.net.NetworkPolicy;
import android.net.NetworkStats;
import android.net.NetworkStatsHistory;

import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceViewHolder;

import android.util.AttributeSet;
import android.util.Log;

import android.view.View;

import com.android.settings.R;
import com.android.settings.widget.ChartDataUsageView;
import com.android.settings.widget.ChartDataUsageView.DataUsageChartListener;

public class ChartDataUsageDeprecatedPreference extends Preference {
    private static final String TAG = "ChartDataUsageDeprecatedPreference";
    private Context mContext = null;

    private ChartDataUsageView mChartDataUsageView = null;
    private DataUsageChartListener mChartListener = null;

    private NetworkStatsHistory mNetwork;
    private NetworkStatsHistory mDetail;
    private NetworkPolicy mPolicy;

    private long mInspectStart;
    private long mInspectEnd;
    private long mSelectLeft;
    private long mSelectRight;

    private boolean mInspectRangeChanged = false;


    public ChartDataUsageDeprecatedPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
        mContext = context;
        setLayoutResource(R.layout.data_usage_chart);
    }

    @Override
    public void onBindViewHolder(PreferenceViewHolder holder) {
        super.onBindViewHolder(holder);

        mChartDataUsageView = (ChartDataUsageView)holder.itemView;
        // No need to update chart again if just get InspectRangeChanged event
        if (!mInspectRangeChanged) {
            updateChart();
        }

        Log.d(TAG, "onBindViewHolder mChartDataUsageView = " + mChartDataUsageView);
    }

    public long getInspectStart() {
        if (mChartDataUsageView != null) {
            return mChartDataUsageView.getInspectStart();
        } else {
            return mInspectStart;
        }
    }

    public long getInspectEnd() {
        if (mChartDataUsageView != null) {
            return mChartDataUsageView.getInspectEnd();
        } else {
            return mInspectEnd;
        }
    }

    public long getInspectLeft() {
        if (mChartDataUsageView != null) {
            return mChartDataUsageView.getInspectLeft();
        } else {
            return mSelectLeft;
        }
    }

    public long getInspectRight() {
        if (mChartDataUsageView != null) {
            return mChartDataUsageView.getInspectRight();
        } else {
            return mSelectRight;
        }
    }

    public long getWarningBytes() {
        return mChartDataUsageView.getWarningBytes();
    }

    public long getLimitBytes() {
        return mChartDataUsageView.getLimitBytes();
    }

    public void setVisibleRange(long visibleStart, long visibleEnd, long selectLeft,
            long selectRight) {
        mInspectStart = visibleStart;
        mInspectEnd = visibleEnd;
        mSelectLeft = selectLeft;
        mSelectRight = selectRight;
        notifyChanged();
    }

    public void bindNetworkPolicy(NetworkPolicy policy) {
        mPolicy = policy;
    }

    public void bindNetworkStats(NetworkStatsHistory stats) {
        mNetwork = stats;
        notifyChanged();
    }

    public void bindDetailNetworkStats(NetworkStatsHistory stats) {
        mDetail = stats;
        notifyChanged();
    }

    public void setListener(DataUsageChartListener listener) {
        mChartListener = listener;
    }

    private void updateChart() {
        mChartDataUsageView.setListener(mChartListener);
        mChartDataUsageView.bindNetworkPolicy(mPolicy);
        mChartDataUsageView.bindNetworkStats(mNetwork);
        mChartDataUsageView.bindDetailNetworkStats(mDetail);
        mChartDataUsageView.setVisibleRange(mInspectStart, mInspectEnd, mSelectLeft, mSelectRight);

        boolean isVisible = BillingCycleSettings.isShowDataUsage(mContext);
        int visible = isVisible ? View.VISIBLE : View.GONE;
        mChartDataUsageView.setDateSelectionSweepVisible(visible);
    }

    public void setInspectRangeChanged() {
        mInspectRangeChanged = true;
    }
}