The Tor Browser: mobile/android/thirdparty/com/squareup/picasso/Utils.java@fc2d59ddac77 (annotated)

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

mobile/android/thirdparty/com/squareup/picasso/Utils.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.

 /*
  * Copyright (C) 2013 Square, Inc.
  *
  * 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 com.squareup.picasso;
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.os.Looper;
 import android.os.Process;
 import android.os.StatFs;
 import android.provider.Settings;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
 import java.util.concurrent.ThreadFactory;
 import static android.content.Context.ACTIVITY_SERVICE;
 import static android.content.pm.ApplicationInfo.FLAG_LARGE_HEAP;
 import static android.os.Build.VERSION.SDK_INT;
 import static android.os.Build.VERSION_CODES.HONEYCOMB;
 import static android.os.Build.VERSION_CODES.HONEYCOMB_MR1;
 import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
 import static android.provider.Settings.System.AIRPLANE_MODE_ON;
 final class Utils {
   static final String THREAD_PREFIX = "Picasso-";
   static final String THREAD_IDLE_NAME = THREAD_PREFIX + "Idle";
   static final int DEFAULT_READ_TIMEOUT = 20 * 1000; // 20s
   static final int DEFAULT_CONNECT_TIMEOUT = 15 * 1000; // 15s
   private static final String PICASSO_CACHE = "picasso-cache";
   private static final int KEY_PADDING = 50; // Determined by exact science.
   private static final int MIN_DISK_CACHE_SIZE = 5 * 1024 * 1024; // 5MB
   private static final int MAX_DISK_CACHE_SIZE = 50 * 1024 * 1024; // 50MB
   /* WebP file header
 1                   2                   3
 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
     |      'R'      |      'I'      |      'F'      |      'F'      |
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
     |                           File Size                           |
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
     |      'W'      |      'E'      |      'B'      |      'P'      |
     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   */
   private static final int WEBP_FILE_HEADER_SIZE = 12;
   private static final String WEBP_FILE_HEADER_RIFF = "RIFF";
   private static final String WEBP_FILE_HEADER_WEBP = "WEBP";
   private Utils() {
     // No instances.
   }
   static int getBitmapBytes(Bitmap bitmap) {
     int result;
     if (SDK_INT >= HONEYCOMB_MR1) {
       result = BitmapHoneycombMR1.getByteCount(bitmap);
     } else {
       result = bitmap.getRowBytes() * bitmap.getHeight();
     }
     if (result < 0) {
       throw new IllegalStateException("Negative size: " + bitmap);
     }
     return result;
   }
   static void checkNotMain() {
     if (Looper.getMainLooper().getThread() == Thread.currentThread()) {
       throw new IllegalStateException("Method call should not happen from the main thread.");
     }
   }
   static String createKey(Request data) {
     StringBuilder builder;
     if (data.uri != null) {
       String path = data.uri.toString();
       builder = new StringBuilder(path.length() + KEY_PADDING);
       builder.append(path);
     } else {
       builder = new StringBuilder(KEY_PADDING);
       builder.append(data.resourceId);
     }
     builder.append('\n');
     if (data.rotationDegrees != 0) {
       builder.append("rotation:").append(data.rotationDegrees);
       if (data.hasRotationPivot) {
         builder.append('@').append(data.rotationPivotX).append('x').append(data.rotationPivotY);
       }
       builder.append('\n');
     }
     if (data.targetWidth != 0) {
       builder.append("resize:").append(data.targetWidth).append('x').append(data.targetHeight);
       builder.append('\n');
     }
     if (data.centerCrop) {
       builder.append("centerCrop\n");
     } else if (data.centerInside) {
       builder.append("centerInside\n");
     }
     if (data.transformations != null) {
       //noinspection ForLoopReplaceableByForEach
       for (int i = 0, count = data.transformations.size(); i < count; i++) {
         builder.append(data.transformations.get(i).key());
         builder.append('\n');
       }
     }
     return builder.toString();
   }
   static void closeQuietly(InputStream is) {
     if (is == null) return;
     try {
       is.close();
     } catch (IOException ignored) {
     }
   }
   /** Returns {@code true} if header indicates the response body was loaded from the disk cache. */
   static boolean parseResponseSourceHeader(String header) {
     if (header == null) {
       return false;
     }
     String[] parts = header.split(" ", 2);
     if ("CACHE".equals(parts[0])) {
       return true;
     }
     if (parts.length == 1) {
       return false;
     }
     try {
       return "CONDITIONAL_CACHE".equals(parts[0]) && Integer.parseInt(parts[1]) == 304;
     } catch (NumberFormatException e) {
       return false;
     }
   }
   static Downloader createDefaultDownloader(Context context) {
     return new UrlConnectionDownloader(context);
   }
   static File createDefaultCacheDir(Context context) {
     File cache = new File(context.getApplicationContext().getCacheDir(), PICASSO_CACHE);
     if (!cache.exists()) {
       cache.mkdirs();
     }
     return cache;
   }
   static long calculateDiskCacheSize(File dir) {
     long size = MIN_DISK_CACHE_SIZE;
     try {
       StatFs statFs = new StatFs(dir.getAbsolutePath());
       long available = ((long) statFs.getBlockCount()) * statFs.getBlockSize();
       // Target 2% of the total space.
       size = available / 50;
     } catch (IllegalArgumentException ignored) {
     }
     // Bound inside min/max size for disk cache.
     return Math.max(Math.min(size, MAX_DISK_CACHE_SIZE), MIN_DISK_CACHE_SIZE);
   }
   static int calculateMemoryCacheSize(Context context) {
     ActivityManager am = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
     boolean largeHeap = (context.getApplicationInfo().flags & FLAG_LARGE_HEAP) != 0;
     int memoryClass = am.getMemoryClass();
     if (largeHeap && SDK_INT >= HONEYCOMB) {
       memoryClass = ActivityManagerHoneycomb.getLargeMemoryClass(am);
     }
     // Target ~15% of the available heap.
     return 1024 * 1024 * memoryClass / 7;
   }
   static boolean isAirplaneModeOn(Context context) {
     ContentResolver contentResolver = context.getContentResolver();
     return Settings.System.getInt(contentResolver, AIRPLANE_MODE_ON, 0) != 0;
   }
   static boolean hasPermission(Context context, String permission) {
     return context.checkCallingOrSelfPermission(permission) == PackageManager.PERMISSION_GRANTED;
   }
   static byte[] toByteArray(InputStream input) throws IOException {
     ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
     byte[] buffer = new byte[1024 * 4];
     int n = 0;
     while (-1 != (n = input.read(buffer))) {
       byteArrayOutputStream.write(buffer, 0, n);
     }
     return byteArrayOutputStream.toByteArray();
   }
   static boolean isWebPFile(InputStream stream) throws IOException {
     byte[] fileHeaderBytes = new byte[WEBP_FILE_HEADER_SIZE];
     boolean isWebPFile = false;
     if (stream.read(fileHeaderBytes, 0, WEBP_FILE_HEADER_SIZE) == WEBP_FILE_HEADER_SIZE) {
       // If a file's header starts with RIFF and end with WEBP, the file is a WebP file
       isWebPFile = WEBP_FILE_HEADER_RIFF.equals(new String(fileHeaderBytes, 0, 4, "US-ASCII"))
           && WEBP_FILE_HEADER_WEBP.equals(new String(fileHeaderBytes, 8, 4, "US-ASCII"));
     }
     return isWebPFile;
   }
   static int getResourceId(Resources resources, Request data) throws FileNotFoundException {
     if (data.resourceId != 0 || data.uri == null) {
       return data.resourceId;
     }
     String pkg = data.uri.getAuthority();
     if (pkg == null) throw new FileNotFoundException("No package provided: " + data.uri);
     int id;
     List<String> segments = data.uri.getPathSegments();
     if (segments == null || segments.isEmpty()) {
       throw new FileNotFoundException("No path segments: " + data.uri);
     } else if (segments.size() == 1) {
       try {
         id = Integer.parseInt(segments.get(0));
       } catch (NumberFormatException e) {
         throw new FileNotFoundException("Last path segment is not a resource ID: " + data.uri);
       }
     } else if (segments.size() == 2) {
       String type = segments.get(0);
       String name = segments.get(1);
       id = resources.getIdentifier(name, type, pkg);
     } else {
       throw new FileNotFoundException("More than two path segments: " + data.uri);
     }
     return id;
   }
   static Resources getResources(Context context, Request data) throws FileNotFoundException {
     if (data.resourceId != 0 || data.uri == null) {
       return context.getResources();
     }
     String pkg = data.uri.getAuthority();
     if (pkg == null) throw new FileNotFoundException("No package provided: " + data.uri);
     try {
       PackageManager pm = context.getPackageManager();
       return pm.getResourcesForApplication(pkg);
     } catch (PackageManager.NameNotFoundException e) {
       throw new FileNotFoundException("Unable to obtain resources for package: " + data.uri);
     }
   }
   @TargetApi(HONEYCOMB)
   private static class ActivityManagerHoneycomb {
     static int getLargeMemoryClass(ActivityManager activityManager) {
       return activityManager.getLargeMemoryClass();
     }
   }
   static class PicassoThreadFactory implements ThreadFactory {
     @SuppressWarnings("NullableProblems")
     public Thread newThread(Runnable r) {
       return new PicassoThread(r);
     }
   }
   private static class PicassoThread extends Thread {
     public PicassoThread(Runnable r) {
       super(r);
     }
     @Override public void run() {
       Process.setThreadPriority(THREAD_PRIORITY_BACKGROUND);
       super.run();
     }
   }
   @TargetApi(HONEYCOMB_MR1)
   private static class BitmapHoneycombMR1 {
     static int getByteCount(Bitmap bitmap) {
       return bitmap.getByteCount();
     }
   }
 }

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

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