summaryrefslogtreecommitdiffstats
path: root/src/com/android/providers/downloads/Helpers.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/android/providers/downloads/Helpers.java')
-rw-r--r--src/com/android/providers/downloads/Helpers.java107
1 files changed, 57 insertions, 50 deletions
diff --git a/src/com/android/providers/downloads/Helpers.java b/src/com/android/providers/downloads/Helpers.java
index d8f262c7..1e07d421 100644
--- a/src/com/android/providers/downloads/Helpers.java
+++ b/src/com/android/providers/downloads/Helpers.java
@@ -91,26 +91,26 @@ public class Helpers {
/*
* Don't download files that we won't be able to handle
*/
- if (destination == Downloads.DESTINATION_EXTERNAL
- || destination == Downloads.DESTINATION_CACHE_PARTITION_PURGEABLE) {
+ if (destination == Downloads.Impl.DESTINATION_EXTERNAL
+ || destination == Downloads.Impl.DESTINATION_CACHE_PARTITION_PURGEABLE) {
if (mimeType == null) {
if (Config.LOGD) {
Log.d(Constants.TAG, "external download with no mime type not allowed");
}
- return new DownloadFileInfo(null, null, Downloads.STATUS_NOT_ACCEPTABLE);
+ return new DownloadFileInfo(null, null, Downloads.Impl.STATUS_NOT_ACCEPTABLE);
}
if (!DrmRawContent.DRM_MIMETYPE_MESSAGE_STRING.equalsIgnoreCase(mimeType)) {
// Check to see if we are allowed to download this file. Only files
// that can be handled by the platform can be downloaded.
// special case DRM files, which we should always allow downloading.
Intent intent = new Intent(Intent.ACTION_VIEW);
-
+
// We can provide data as either content: or file: URIs,
// so allow both. (I think it would be nice if we just did
// everything as content: URIs)
// Actually, right now the download manager's UId restrictions
// prevent use from using content: so it's got to be file: or
- // nothing
+ // nothing
PackageManager pm = context.getPackageManager();
intent.setDataAndType(Uri.fromParts("file", "", null), mimeType);
@@ -121,7 +121,7 @@ public class Helpers {
if (Config.LOGD) {
Log.d(Constants.TAG, "no handler found for type " + mimeType);
}
- return new DownloadFileInfo(null, null, Downloads.STATUS_NOT_ACCEPTABLE);
+ return new DownloadFileInfo(null, null, Downloads.Impl.STATUS_NOT_ACCEPTABLE);
}
}
}
@@ -148,10 +148,11 @@ public class Helpers {
StatFs stat = null;
// DRM messages should be temporarily stored internally and then passed to
// the DRM content provider
- if (destination == Downloads.DESTINATION_CACHE_PARTITION
- || destination == Downloads.DESTINATION_CACHE_PARTITION_PURGEABLE
- || destination == Downloads.DESTINATION_CACHE_PARTITION_NOROAMING
+ if (destination == Downloads.Impl.DESTINATION_CACHE_PARTITION
+ || destination == Downloads.Impl.DESTINATION_CACHE_PARTITION_PURGEABLE
+ || destination == Downloads.Impl.DESTINATION_CACHE_PARTITION_NOROAMING
|| DrmRawContent.DRM_MIMETYPE_MESSAGE_STRING.equalsIgnoreCase(mimeType)) {
+ // Saving to internal storage.
base = Environment.getDownloadCacheDirectory();
stat = new StatFs(base.getPath());
@@ -160,52 +161,58 @@ public class Helpers {
* Put a bit of margin (in case creating the file grows the system by a few blocks).
*/
int blockSize = stat.getBlockSize();
- for (;;) {
- int availableBlocks = stat.getAvailableBlocks();
- if (blockSize * ((long) availableBlocks - 4) >= contentLength) {
- break;
- }
- if (!discardPurgeableFiles(context,
- contentLength - blockSize * ((long) availableBlocks - 4))) {
+ long bytesAvailable = blockSize * ((long) stat.getAvailableBlocks() - 4);
+ while (bytesAvailable < contentLength) {
+ // Insufficient space; try discarding purgeable files.
+ if (!discardPurgeableFiles(context, contentLength - bytesAvailable)) {
+ // No files to purge, give up.
if (Config.LOGD) {
Log.d(Constants.TAG,
"download aborted - not enough free space in internal storage");
}
- return new DownloadFileInfo(null, null, Downloads.STATUS_FILE_ERROR);
- }
- stat.restat(base.getPath());
- }
-
- } else {
- if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
- String root = Environment.getExternalStorageDirectory().getPath();
- base = new File(root + Constants.DEFAULT_DL_SUBDIR);
- if (!base.isDirectory() && !base.mkdir()) {
- if (Config.LOGD) {
- Log.d(Constants.TAG, "download aborted - can't create base directory "
- + base.getPath());
- }
- return new DownloadFileInfo(null, null, Downloads.STATUS_FILE_ERROR);
- }
- stat = new StatFs(base.getPath());
- } else {
- if (Config.LOGD) {
- Log.d(Constants.TAG, "download aborted - no external storage");
+ return new DownloadFileInfo(null, null,
+ Downloads.Impl.STATUS_INSUFFICIENT_SPACE_ERROR);
+ } else {
+ // Recalculate available space and try again.
+ stat.restat(base.getPath());
+ bytesAvailable = blockSize * ((long) stat.getAvailableBlocks() - 4);
}
- return new DownloadFileInfo(null, null, Downloads.STATUS_FILE_ERROR);
}
+ } else if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+ // Saving to external storage (SD card).
+ String root = Environment.getExternalStorageDirectory().getPath();
+ stat = new StatFs(root);
/*
* Check whether there's enough space on the target filesystem to save the file.
* Put a bit of margin (in case creating the file grows the system by a few blocks).
*/
if (stat.getBlockSize() * ((long) stat.getAvailableBlocks() - 4) < contentLength) {
+ // Insufficient space.
if (Config.LOGD) {
Log.d(Constants.TAG, "download aborted - not enough free space");
}
- return new DownloadFileInfo(null, null, Downloads.STATUS_FILE_ERROR);
+ return new DownloadFileInfo(null, null,
+ Downloads.Impl.STATUS_INSUFFICIENT_SPACE_ERROR);
}
+ base = new File(root + Constants.DEFAULT_DL_SUBDIR);
+ if (!base.isDirectory() && !base.mkdir()) {
+ // Can't create download directory, e.g. because a file called "download"
+ // already exists at the root level, or the SD card filesystem is read-only.
+ if (Config.LOGD) {
+ Log.d(Constants.TAG, "download aborted - can't create base directory "
+ + base.getPath());
+ }
+ return new DownloadFileInfo(null, null, Downloads.Impl.STATUS_FILE_ERROR);
+ }
+ } else {
+ // No SD card found.
+ if (Config.LOGD) {
+ Log.d(Constants.TAG, "download aborted - no external storage");
+ }
+ return new DownloadFileInfo(null, null,
+ Downloads.Impl.STATUS_DEVICE_NOT_FOUND_ERROR);
}
boolean recoveryDir = Constants.RECOVERY_DIRECTORY.equalsIgnoreCase(filename + extension);
@@ -224,7 +231,7 @@ public class Helpers {
if (fullFilename != null) {
return new DownloadFileInfo(fullFilename, new FileOutputStream(fullFilename), 0);
} else {
- return new DownloadFileInfo(null, null, Downloads.STATUS_FILE_ERROR);
+ return new DownloadFileInfo(null, null, Downloads.Impl.STATUS_FILE_ERROR);
}
}
@@ -380,9 +387,9 @@ public class Helpers {
String fullFilename = filename + extension;
if (!new File(fullFilename).exists()
&& (!recoveryDir ||
- (destination != Downloads.DESTINATION_CACHE_PARTITION &&
- destination != Downloads.DESTINATION_CACHE_PARTITION_PURGEABLE &&
- destination != Downloads.DESTINATION_CACHE_PARTITION_NOROAMING))) {
+ (destination != Downloads.Impl.DESTINATION_CACHE_PARTITION &&
+ destination != Downloads.Impl.DESTINATION_CACHE_PARTITION_PURGEABLE &&
+ destination != Downloads.Impl.DESTINATION_CACHE_PARTITION_NOROAMING))) {
return fullFilename;
}
filename = filename + Constants.FILENAME_SEQUENCE_SEPARATOR;
@@ -423,14 +430,14 @@ public class Helpers {
*/
public static final boolean discardPurgeableFiles(Context context, long targetBytes) {
Cursor cursor = context.getContentResolver().query(
- Downloads.CONTENT_URI,
+ Downloads.Impl.CONTENT_URI,
null,
"( " +
- Downloads.COLUMN_STATUS + " = '" + Downloads.STATUS_SUCCESS + "' AND " +
- Downloads.COLUMN_DESTINATION +
- " = '" + Downloads.DESTINATION_CACHE_PARTITION_PURGEABLE + "' )",
+ Downloads.Impl.COLUMN_STATUS + " = '" + Downloads.Impl.STATUS_SUCCESS + "' AND " +
+ Downloads.Impl.COLUMN_DESTINATION +
+ " = '" + Downloads.Impl.DESTINATION_CACHE_PARTITION_PURGEABLE + "' )",
null,
- Downloads.COLUMN_LAST_MODIFICATION);
+ Downloads.Impl.COLUMN_LAST_MODIFICATION);
if (cursor == null) {
return false;
}
@@ -438,16 +445,16 @@ public class Helpers {
try {
cursor.moveToFirst();
while (!cursor.isAfterLast() && totalFreed < targetBytes) {
- File file = new File(cursor.getString(cursor.getColumnIndex(Downloads._DATA)));
+ File file = new File(cursor.getString(cursor.getColumnIndex(Downloads.Impl._DATA)));
if (Constants.LOGVV) {
Log.v(Constants.TAG, "purging " + file.getAbsolutePath() + " for " +
file.length() + " bytes");
}
totalFreed += file.length();
file.delete();
- long id = cursor.getLong(cursor.getColumnIndex(Downloads._ID));
+ long id = cursor.getLong(cursor.getColumnIndex(Downloads.Impl._ID));
context.getContentResolver().delete(
- ContentUris.withAppendedId(Downloads.CONTENT_URI, id), null, null);
+ ContentUris.withAppendedId(Downloads.Impl.CONTENT_URI, id), null, null);
cursor.moveToNext();
}
} finally {
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 00:50:26 +0000