am a65a1582: Merge "Update file size formatting." into mnc-dev

* commit 'a65a1582f5a04b15b53ebdec337ac611ccb78a07':
  Update file size formatting.
This commit is contained in:
Jeff Sharkey
2015-06-16 05:01:43 +00:00
committed by Android Git Automerger
4 changed files with 63 additions and 26 deletions

View File

@@ -53,6 +53,8 @@ public class TrafficStats {
public static final long GB_IN_BYTES = MB_IN_BYTES * 1024;
/** @hide */
public static final long TB_IN_BYTES = GB_IN_BYTES * 1024;
/** @hide */
public static final long PB_IN_BYTES = TB_IN_BYTES * 1024;
/**
* Special UID value used when collecting {@link NetworkStatsHistory} for

View File

@@ -17,7 +17,9 @@
package android.text.format;
import android.content.Context;
import android.content.res.Resources;
import android.net.NetworkUtils;
import android.net.TrafficStats;
/**
* Utility class to aid in formatting common values that are not covered
@@ -25,63 +27,88 @@ import android.net.NetworkUtils;
*/
public final class Formatter {
/** {@hide} */
public static final int FLAG_SHORTER = 1 << 0;
/** {@hide} */
public static final int FLAG_CALCULATE_ROUNDED = 1 << 1;
/** {@hide} */
public static class BytesResult {
public final String value;
public final String units;
public final long roundedBytes;
public BytesResult(String value, String units, long roundedBytes) {
this.value = value;
this.units = units;
this.roundedBytes = roundedBytes;
}
}
/**
* Formats a content size to be in the form of bytes, kilobytes, megabytes, etc
*
* @param context Context to use to load the localized units
* @param number size value to be formatted
* @param sizeBytes size value to be formatted, in bytes
* @return formatted string with the number
*/
public static String formatFileSize(Context context, long number) {
return formatFileSize(context, number, false);
public static String formatFileSize(Context context, long sizeBytes) {
final BytesResult res = formatBytes(context.getResources(), sizeBytes, 0);
return context.getString(com.android.internal.R.string.fileSizeSuffix,
res.value, res.units);
}
/**
* Like {@link #formatFileSize}, but trying to generate shorter numbers
* (showing fewer digits of precision).
*/
public static String formatShortFileSize(Context context, long number) {
return formatFileSize(context, number, true);
public static String formatShortFileSize(Context context, long sizeBytes) {
final BytesResult res = formatBytes(context.getResources(), sizeBytes, FLAG_SHORTER);
return context.getString(com.android.internal.R.string.fileSizeSuffix,
res.value, res.units);
}
private static String formatFileSize(Context context, long number, boolean shorter) {
if (context == null) {
return "";
}
float result = number;
/** {@hide} */
public static BytesResult formatBytes(Resources res, long sizeBytes, int flags) {
float result = sizeBytes;
int suffix = com.android.internal.R.string.byteShort;
long mult = 1;
if (result > 900) {
suffix = com.android.internal.R.string.kilobyteShort;
mult = TrafficStats.KB_IN_BYTES;
result = result / 1024;
}
if (result > 900) {
suffix = com.android.internal.R.string.megabyteShort;
mult = TrafficStats.MB_IN_BYTES;
result = result / 1024;
}
if (result > 900) {
suffix = com.android.internal.R.string.gigabyteShort;
mult = TrafficStats.GB_IN_BYTES;
result = result / 1024;
}
if (result > 900) {
suffix = com.android.internal.R.string.terabyteShort;
mult = TrafficStats.TB_IN_BYTES;
result = result / 1024;
}
if (result > 900) {
suffix = com.android.internal.R.string.petabyteShort;
mult = TrafficStats.PB_IN_BYTES;
result = result / 1024;
}
String value;
if (result < 1) {
value = String.format("%.2f", result);
} else if (result < 10) {
if (shorter) {
if ((flags & FLAG_SHORTER) != 0) {
value = String.format("%.1f", result);
} else {
value = String.format("%.2f", result);
}
} else if (result < 100) {
if (shorter) {
if ((flags & FLAG_SHORTER) != 0) {
value = String.format("%.0f", result);
} else {
value = String.format("%.2f", result);
@@ -89,9 +116,14 @@ public final class Formatter {
} else {
value = String.format("%.0f", result);
}
return context.getResources().
getString(com.android.internal.R.string.fileSizeSuffix,
value, context.getString(suffix));
final String units = res.getString(suffix);
final long roundedBytes;
if ((flags & FLAG_CALCULATE_ROUNDED) != 0) {
roundedBytes = (long) (Double.parseDouble(value) * mult);
} else {
roundedBytes = 0;
}
return new BytesResult(value, units, roundedBytes);
}
/**

View File

@@ -34,7 +34,7 @@
to display a size in kilobytes, megabytes, or other size units.
Some languages (like French) will want to add a space between
the placeholders. -->
<string name="fileSizeSuffix"><xliff:g id="number" example="123">%1$s</xliff:g><xliff:g id="unit" example="KB">%2$s</xliff:g></string>
<string name="fileSizeSuffix"><xliff:g id="number" example="123">%1$s</xliff:g> <xliff:g id="unit" example="KB">%2$s</xliff:g></string>
<!-- [CHAR_LIMIT=10] Suffix added to signify duration in days -->
<string name="durationDays"><xliff:g id="days">%1$d</xliff:g> days</string>

View File

@@ -120,13 +120,20 @@ public class ExternalStorageProvider extends DocumentsProvider {
if (!volume.isMountedReadable()) continue;
final String rootId;
if (VolumeInfo.ID_EMULATED_INTERNAL.equals(volume.getId())) {
final String title;
if (volume.getType() == VolumeInfo.TYPE_EMULATED) {
// We currently only support a single emulated volume mounted at
// a time, and it's always considered the primary
rootId = ROOT_ID_PRIMARY_EMULATED;
} else if (volume.getType() == VolumeInfo.TYPE_EMULATED) {
final VolumeInfo privateVol = mStorageManager.findPrivateForEmulated(volume);
rootId = privateVol.getFsUuid();
if (VolumeInfo.ID_EMULATED_INTERNAL.equals(volume.getId())) {
title = getContext().getString(R.string.root_internal_storage);
} else {
final VolumeInfo privateVol = mStorageManager.findPrivateForEmulated(volume);
title = mStorageManager.getBestVolumeDescription(privateVol);
}
} else if (volume.getType() == VolumeInfo.TYPE_PUBLIC) {
rootId = volume.getFsUuid();
title = mStorageManager.getBestVolumeDescription(volume);
} else {
// Unsupported volume; ignore
continue;
@@ -148,11 +155,7 @@ public class ExternalStorageProvider extends DocumentsProvider {
root.rootId = rootId;
root.flags = Root.FLAG_SUPPORTS_CREATE | Root.FLAG_LOCAL_ONLY | Root.FLAG_ADVANCED
| Root.FLAG_SUPPORTS_SEARCH | Root.FLAG_SUPPORTS_IS_CHILD;
if (ROOT_ID_PRIMARY_EMULATED.equals(rootId)) {
root.title = getContext().getString(R.string.root_internal_storage);
} else {
root.title = mStorageManager.getBestVolumeDescription(volume);
}
root.title = title;
if (volume.getType() == VolumeInfo.TYPE_PUBLIC) {
root.flags |= Root.FLAG_HAS_SETTINGS;
}