com.inovex.zabbixmobile.activities.GraphFullscreenActivity.java Source code

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Here is the source code for com.inovex.zabbixmobile.activities.GraphFullscreenActivity.java

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/*
This file is part of ZAX.
    
   ZAX 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.
    
   ZAX 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 ZAX.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.inovex.zabbixmobile.activities;

import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.IBinder;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentManager;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;

import com.inovex.zabbixmobile.R;
import com.inovex.zabbixmobile.data.ZabbixDataService;
import com.inovex.zabbixmobile.data.ZabbixDataService.ZabbixDataBinder;
import com.inovex.zabbixmobile.listeners.OnGraphDataLoadedListener;
import com.inovex.zabbixmobile.listeners.OnGraphsLoadedListener;
import com.inovex.zabbixmobile.model.Graph;
import com.inovex.zabbixmobile.model.Item;
import com.inovex.zabbixmobile.model.ZaxPreferences;
import com.inovex.zabbixmobile.util.GraphUtil;
import com.jjoe64.graphview.LineGraphView;

/**
 * Activity showing a graph in fullscreen landscape mode.
 */
public class GraphFullscreenActivity extends AppCompatActivity implements ServiceConnection {
    private LinearLayout mLayout;
    private long mItemId;
    private long mGraphId;

    protected ZabbixDataService mZabbixDataService;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        ZaxPreferences prefs = ZaxPreferences.getInstance(getApplicationContext());
        if (prefs.isDarkTheme())
            setTheme(R.style.AppThemeDark);
        else
            setTheme(R.style.AppTheme);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        super.onCreate(savedInstanceState);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);

        if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT)
            return;

        bindService();

        mItemId = getIntent().getLongExtra("itemid", -1);
        mGraphId = getIntent().getLongExtra("graphid", -1);
        if (mItemId == -1 && mGraphId == -1) {
            finish();
            return;
        }

        mLayout = new LinearLayout(this);

        setContentView(mLayout);
    }

    /**
     * Binds the Zabbix service.
     */
    protected void bindService() {
        Intent intent = new Intent(this, ZabbixDataService.class);
        getApplicationContext().bindService(intent, this, Context.BIND_AUTO_CREATE);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (super.onOptionsItemSelected(item))
            return true;

        switch (item.getItemId()) {
        case android.R.id.home:
            finish();
            return true;
        }
        return false;
    }

    @Override
    public void onServiceConnected(ComponentName className, IBinder binder) {
        ZabbixDataBinder zabbixBinder = (ZabbixDataBinder) binder;
        mZabbixDataService = zabbixBinder.getService();
        loadGraphData();
    }

    private void loadGraphData() {
        FragmentManager fm = getSupportFragmentManager();
        final LoadingDialogFragment loadingDlg = new LoadingDialogFragment();
        loadingDlg.show(fm, LoadingDialogFragment.TAG);

        // load data by item
        if (mItemId != -1) {
            final Item item = mZabbixDataService.getItemById(mItemId);
            if (item == null)
                return;
            mZabbixDataService.loadHistoryDetailsByItem(item, false, new OnGraphDataLoadedListener() {
                @Override
                public void onGraphDataLoaded() {
                    LineGraphView graph = GraphUtil.createItemGraphFullscreen(GraphFullscreenActivity.this, item);
                    if (mLayout != null) {
                        mLayout.addView(graph);
                    }
                    if (loadingDlg != null) {
                        loadingDlg.dismiss();
                    }
                }

                @Override
                public void onGraphDataProgressUpdate(int progress) {
                    // TODO Auto-generated method stub

                }
            });
        }

        // load data by graph
        else if (mGraphId != -1) {
            final Graph graph = mZabbixDataService.getGraphById(mGraphId);
            if (graph == null)
                return;
            mZabbixDataService.loadGraph(graph, new OnGraphsLoadedListener() {
                @Override
                public void onGraphsLoaded() {
                    LineGraphView graphview = GraphUtil.createScreenGraphFullscreen(GraphFullscreenActivity.this,
                            graph);
                    if (mLayout != null) {
                        mLayout.addView(graphview);
                    }
                    if (loadingDlg != null) {
                        loadingDlg.dismiss();
                    }
                }

                @Override
                public void onGraphsProgressUpdate(int progress) {
                    // TODO Auto-generated method stub

                }
            });
        }
    }

    /**
     * The dialog displayed when an event shall be acknowledged.
     * 
     */
    public static class LoadingDialogFragment extends DialogFragment {

        public static final String TAG = LoadingDialogFragment.class.getSimpleName();

        @NonNull
        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            ProgressDialog mLoadingDlg = new ProgressDialog(getActivity());
            mLoadingDlg.setMessage(getActivity().getResources().getString(R.string.loading));
            return mLoadingDlg;
        }
    }

    @Override
    public void onServiceDisconnected(ComponentName name) {
        // TODO Auto-generated method stub

    }

}