net.coscolla.comicstrip.ui.detail.DetailStripActivity.java Source code

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Here is the source code for net.coscolla.comicstrip.ui.detail.DetailStripActivity.java

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/*
 * Copyright 2016 Jordi Coscolla.
 *
 * 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 net.coscolla.comicstrip.ui.detail;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.view.MenuItemCompat;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.ShareActionProvider;
import android.view.Menu;
import android.view.MenuItem;

import net.coscolla.comicstrip.R;
import net.coscolla.comicstrip.di.Graph;
import net.coscolla.comicstrip.entities.Strip;
import net.coscolla.comicstrip.marketing.analytics.IAnalytics;
import net.coscolla.comicstrip.ui.detail.adapter.DetailStripPageAdapter;
import net.coscolla.comicstrip.usecases.DetailStripUseCase;

import org.parceler.Parcels;

import javax.inject.Inject;

import butterknife.Bind;
import butterknife.ButterKnife;
import rx.android.schedulers.AndroidSchedulers;
import timber.log.Timber;

public class DetailStripActivity extends AppCompatActivity {

    public static final String STRIP = "strip";
    public static final String IDS = "IDS";
    @Bind(R.id.pager)
    ViewPager viewPager;

    @Inject
    DetailStripUseCase useCase;
    @Inject
    IAnalytics analytics;

    private String[] strip_ids;
    private Strip currentStrip;
    private ShareActionProvider shareProvider;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_detail_strip);
        ButterKnife.bind(this);
        Graph.getInstance().getDetailStripComponent().inject(this);

        onRestoreSavedState(savedInstanceState);
        strip_ids = getIntent().getStringArrayExtra(IDS);

        setupPageAdapter();
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        if (currentStrip != null) {
            outState.putParcelable(STRIP, Parcels.wrap(currentStrip));
        }
    }

    protected void onRestoreSavedState(Bundle savedInstanceState) {
        if (savedInstanceState != null && savedInstanceState.containsKey(STRIP)) {
            setCurrentStrip(Parcels.unwrap(savedInstanceState.getParcelable(STRIP)));
        } else if (savedInstanceState == null) {
            Strip strip = Parcels.unwrap(getIntent().getParcelableExtra(STRIP));
            setCurrentStrip(strip);
        }
    }

    private void setupPageAdapter() {
        DetailStripPageAdapter adapter = new DetailStripPageAdapter(getSupportFragmentManager(), strip_ids);
        viewPager.setAdapter(adapter);
        int index = findIndexForStripId(currentStrip._id);
        viewPager.setCurrentItem(index);
        viewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                String id = strip_ids[position];
                useCase.getStripById(id).observeOn(AndroidSchedulers.mainThread()).subscribe(
                        strip -> setCurrentStrip(strip),
                        e -> Timber.e(e, "Something went wrong when getting the %s strip", id));
            }
        });
    }

    private int findIndexForStripId(String id) {
        for (int i = 0; i < strip_ids.length; i++) {
            if (id.equalsIgnoreCase(strip_ids[i])) {
                return i;
            }
        }
        return 0;
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.detail_strip_menu, menu);
        MenuItem item = menu.findItem(R.id.menu_item_share);

        // Configures the share button
        Intent shareIntent = getShareIntent();

        shareProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(item);
        shareProvider.setShareIntent(shareIntent);
        return true;
    }

    @NonNull
    private Intent getShareIntent() {
        Intent shareIntent = new Intent();
        shareIntent.setAction(Intent.ACTION_SEND);

        shareIntent.putExtra(Intent.EXTRA_TEXT,
                "See this strip: " + currentStrip.title + " from " + currentStrip.url + " via ComicStrip App");
        shareIntent.setType("text/plain");

        /*
        Not working properly, removed for release
        String imagePath = useCase.getShareImagePath(currentStrip);
        if(imagePath != null) {
          Uri imageUri = Uri.parse(imagePath);
          shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);
          shareIntent.setType("image/png");
        }
        */
        shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        return shareIntent;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.open_browser) {
            Uri url = Uri.parse(currentStrip.url);

            if (url != null) {
                Intent browserIntent = new Intent(Intent.ACTION_VIEW, url);
                startActivity(browserIntent);
            }
        }

        return super.onOptionsItemSelected(item);
    }

    public void setCurrentStrip(@NonNull Strip currentStrip) {
        this.currentStrip = currentStrip;
        setTitle(currentStrip.title);
        analytics.eventStripViewed(currentStrip);
        if (shareProvider != null) {
            shareProvider.setShareIntent(getShareIntent());
        }
    }
}