net.kervala.comicsreader.PhotoViewActivity.java Source code

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Here is the source code for net.kervala.comicsreader.PhotoViewActivity.java

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/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.
 *
 * 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.kervala.comicsreader;

import java.util.concurrent.ExecutionException;

import uk.co.senab.photoview.PhotoView;
import android.util.Log;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
//import android.graphics.drawable.Drawable;
//import android.graphics.drawable.BitmapDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;

public class PhotoViewActivity extends Activity {

    private ViewPager mViewPager;
    private Album mAlbum;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        Log.d("ComicsReader", "PhotoViewActivity.onCreate");
        super.onCreate(savedInstanceState);

        mViewPager = new HackyViewPager(this);
        setContentView(mViewPager);

        Intent intent = getIntent();
        if (Intent.ACTION_VIEW.equals(intent.getAction())) {
            Uri uri = intent.getData();
            Log.d("ComicsReader", "PhotoViewActivity.onCreate: uri=" + uri.toString());
            String filename = Album.getFilenameFromUri(uri);
            Log.d("ComicsReader", "PhotoViewActivity.onCreate: fname=" + filename);
            mAlbum = Album.createInstance(filename);
            boolean res = mAlbum.open(filename, true);
            Log.d("ComicsReader", "open res: " + Boolean.toString(res));
            mViewPager.setAdapter(new SimplePagerAdapter());
            mViewPager.setCurrentItem(mAlbum.getCurrentPage());
        }
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_TAB:
        case KeyEvent.KEYCODE_SEARCH:
            showDialog(CommonActivity.DIALOG_PAGES);
            return true;
        case KeyEvent.KEYCODE_BACK:
            if (mAlbum != null) {
                setResult(CommonActivity.RESULT_FILE);
                //            String mimeType = mAlbum.getMimeType();
                //            Intent intent = getIntent();
                //            intent.setDataAndType(mAlbum.getAlbumUri(), mimeType);
                //            setResult(RESULT_FILE, intent);
            }
            finish();
            return true;
        }

        return super.onKeyDown(keyCode, event);
    }

    class SimplePagerAdapter extends PagerAdapter {

        @Override
        public int getCount() {
            //         Log.d("ComicsReader", "getCount: " + Integer.toString(mAlbum.getNumPages()));
            return mAlbum.getNumPages();
        }

        @Override
        public View instantiateItem(ViewGroup container, int position) {
            PhotoView photoView = new PhotoView(container.getContext());

            //         Log.d("ComicsReader", "instantiateItem: " + Integer.toString(position) + ", " + mAlbum.getFilename(position));
            Log.d("ComicsReader", "instantiateItem: " + Integer.toString(position));

            photoView.setImageBitmap(mAlbum.getPage(position, 2048, 2048, false));

            // Now just add PhotoView to ViewPager and return it
            container.addView(photoView, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);

            return photoView;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View) object);
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view == object;
        }
    }
}