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mobile/android/thirdparty/com/squareup/picasso/MediaStoreBitmapHunter.java@fc2d59ddac77 (annotated)

mobile/android/thirdparty/com/squareup/picasso/MediaStoreBitmapHunter.java

Wed, 31 Dec 2014 07:22:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:22:50 +0100

branch

TOR_BUG_3246

changeset 4

fc2d59ddac77

permissions

-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0	1	/*
michael@0	2	* Copyright (C) 2014 Square, Inc.
michael@0	3	*
michael@0	4	* Licensed under the Apache License, Version 2.0 (the "License");
michael@0	5	* you may not use this file except in compliance with the License.
michael@0	6	* You may obtain a copy of the License at
michael@0	7	*
michael@0	8	* http://www.apache.org/licenses/LICENSE-2.0
michael@0	9	*
michael@0	10	* Unless required by applicable law or agreed to in writing, software
michael@0	11	* distributed under the License is distributed on an "AS IS" BASIS,
michael@0	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0	13	* See the License for the specific language governing permissions and
michael@0	14	* limitations under the License.
michael@0	15	*/
michael@0	16	package com.squareup.picasso;
michael@0	17
michael@0	18	import android.content.ContentResolver;
michael@0	19	import android.content.Context;
michael@0	20	import android.database.Cursor;
michael@0	21	import android.graphics.Bitmap;
michael@0	22	import android.graphics.BitmapFactory;
michael@0	23	import android.net.Uri;
michael@0	24	import android.provider.MediaStore;
michael@0	25	import java.io.IOException;
michael@0	26
michael@0	27	import static android.content.ContentUris.parseId;
michael@0	28	import static android.provider.MediaStore.Images.Thumbnails.FULL_SCREEN_KIND;
michael@0	29	import static android.provider.MediaStore.Images.Thumbnails.MICRO_KIND;
michael@0	30	import static android.provider.MediaStore.Images.Thumbnails.MINI_KIND;
michael@0	31	import static android.provider.MediaStore.Images.Thumbnails.getThumbnail;
michael@0	32	import static com.squareup.picasso.MediaStoreBitmapHunter.PicassoKind.FULL;
michael@0	33	import static com.squareup.picasso.MediaStoreBitmapHunter.PicassoKind.MICRO;
michael@0	34	import static com.squareup.picasso.MediaStoreBitmapHunter.PicassoKind.MINI;
michael@0	35
michael@0	36	class MediaStoreBitmapHunter extends ContentStreamBitmapHunter {
michael@0	37	private static final String[] CONTENT_ORIENTATION = new String[] {
michael@0	38	MediaStore.Images.ImageColumns.ORIENTATION
michael@0	39	};
michael@0	40
michael@0	41	MediaStoreBitmapHunter(Context context, Picasso picasso, Dispatcher dispatcher, Cache cache,
michael@0	42	Stats stats, Action action) {
michael@0	43	super(context, picasso, dispatcher, cache, stats, action);
michael@0	44	}
michael@0	45
michael@0	46	@Override Bitmap decode(Request data) throws IOException {
michael@0	47	ContentResolver contentResolver = context.getContentResolver();
michael@0	48	setExifRotation(getExitOrientation(contentResolver, data.uri));
michael@0	49
michael@0	50	if (data.hasSize()) {
michael@0	51	PicassoKind picassoKind = getPicassoKind(data.targetWidth, data.targetHeight);
michael@0	52	if (picassoKind == FULL) {
michael@0	53	return super.decode(data);
michael@0	54	}
michael@0	55
michael@0	56	long id = parseId(data.uri);
michael@0	57
michael@0	58	BitmapFactory.Options options = new BitmapFactory.Options();
michael@0	59	options.inJustDecodeBounds = true;
michael@0	60
michael@0	61	calculateInSampleSize(data.targetWidth, data.targetHeight, picassoKind.width,
michael@0	62	picassoKind.height, options);
michael@0	63
michael@0	64	Bitmap result = getThumbnail(contentResolver, id, picassoKind.androidKind, options);
michael@0	65
michael@0	66	if (result != null) {
michael@0	67	return result;
michael@0	68	}
michael@0	69	}
michael@0	70
michael@0	71	return super.decode(data);
michael@0	72	}
michael@0	73
michael@0	74	static PicassoKind getPicassoKind(int targetWidth, int targetHeight) {
michael@0	75	if (targetWidth <= MICRO.width && targetHeight <= MICRO.height) {
michael@0	76	return MICRO;
michael@0	77	} else if (targetWidth <= MINI.width && targetHeight <= MINI.height) {
michael@0	78	return MINI;
michael@0	79	}
michael@0	80	return FULL;
michael@0	81	}
michael@0	82
michael@0	83	static int getExitOrientation(ContentResolver contentResolver, Uri uri) {
michael@0	84	Cursor cursor = null;
michael@0	85	try {
michael@0	86	cursor = contentResolver.query(uri, CONTENT_ORIENTATION, null, null, null);
michael@0	87	if (cursor == null || !cursor.moveToFirst()) {
michael@0	88	return 0;
michael@0	89	}
michael@0	90	return cursor.getInt(0);
michael@0	91	} catch (RuntimeException ignored) {
michael@0	92	// If the orientation column doesn't exist, assume no rotation.
michael@0	93	return 0;
michael@0	94	} finally {
michael@0	95	if (cursor != null) {
michael@0	96	cursor.close();
michael@0	97	}
michael@0	98	}
michael@0	99	}
michael@0	100
michael@0	101	enum PicassoKind {
michael@0	102	MICRO(MICRO_KIND, 96, 96),
michael@0	103	MINI(MINI_KIND, 512, 384),
michael@0	104	FULL(FULL_SCREEN_KIND, -1, -1);
michael@0	105
michael@0	106	final int androidKind;
michael@0	107	final int width;
michael@0	108	final int height;
michael@0	109
michael@0	110	PicassoKind(int androidKind, int width, int height) {
michael@0	111	this.androidKind = androidKind;
michael@0	112	this.width = width;
michael@0	113	this.height = height;
michael@0	114	}
michael@0	115	}
michael@0	116	}