1 files changed, 304 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/com/squareup/picasso/Utils.java b/mobile/android/thirdparty/com/squareup/picasso/Utils.java
new file mode 100644
index 000000000..bafe93f98
--- /dev/null
+++ b/mobile/android/thirdparty/com/squareup/picasso/Utils.java
@@ -0,0 +1,304 @@
+/*
+ * 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
+     0                   1                   2                   3
+     0 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();
+    }
+  }
+}