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Code Issues Releases Wiki Activity

more SAF implementation

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* full support for Directory API (Android Lollipop or later)
* best effort to handle any kind errors (missing file, revoked permissions, etc) and recover the download
* implemented directory choosing
* fix download database version upgrading
* misc. cleanup
* do not release permission on the old save path (if the user change the download directory) under SAF api
This commit is contained in:
kapodamy
2019-04-09 18:38:34 -03:00
parent f6b32823ba
commit d00dc798f4
28 changed files with 946 additions and 589 deletions
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164
app/src/main/java/org/schabi/newpipe/settings/DownloadSettingsFragment.java
View File

@@ -14,18 +14,23 @@ import android.support.v7.preference.Preference;
import android.util.Log;
import android.widget.Toast;
import com.nononsenseapps.filepicker.Utils;
import org.schabi.newpipe.R;
import org.schabi.newpipe.util.FilePickerActivityHelper;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import us.shandian.giga.io.StoredDirectoryHelper;
public class DownloadSettingsFragment extends BasePreferenceFragment {
private static final int REQUEST_DOWNLOAD_VIDEO_PATH = 0x1235;
private static final int REQUEST_DOWNLOAD_AUDIO_PATH = 0x1236;
public static final boolean IGNORE_RELEASE_OLD_PATH = true;
private String DOWNLOAD_PATH_VIDEO_PREFERENCE;
private String DOWNLOAD_PATH_AUDIO_PREFERENCE;
@@ -35,41 +40,46 @@ public class DownloadSettingsFragment extends BasePreferenceFragment {
private Preference prefPathVideo;
private Preference prefPathAudio;
private Context ctx;
private boolean lastAPIJavaIO;
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initKeys();
updatePreferencesSummary();
}
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
addPreferencesFromResource(R.xml.download_settings);
DOWNLOAD_PATH_VIDEO_PREFERENCE = getString(R.string.download_path_video_key);
DOWNLOAD_PATH_AUDIO_PREFERENCE = getString(R.string.download_path_audio_key);
DOWNLOAD_STORAGE_API = getString(R.string.downloads_storage_api);
DOWNLOAD_STORAGE_API_DEFAULT = getString(R.string.downloads_storage_api_default);
prefPathVideo = findPreference(DOWNLOAD_PATH_VIDEO_PREFERENCE);
prefPathAudio = findPreference(DOWNLOAD_PATH_AUDIO_PREFERENCE);
updatePathPickers(usingJavaIO());
lastAPIJavaIO = usingJavaIO();
updatePreferencesSummary();
updatePathPickers(lastAPIJavaIO);
findPreference(DOWNLOAD_STORAGE_API).setOnPreferenceChangeListener((preference, value) -> {
boolean javaIO = DOWNLOAD_STORAGE_API_DEFAULT.equals(value);
if (!javaIO && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
if (javaIO == lastAPIJavaIO) return true;
lastAPIJavaIO = javaIO;
boolean res;
if (javaIO && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// forget save paths (if necessary)
res = forgetPath(DOWNLOAD_PATH_VIDEO_PREFERENCE);
res |= forgetPath(DOWNLOAD_PATH_AUDIO_PREFERENCE);
} else {
res = hasInvalidPath(DOWNLOAD_PATH_VIDEO_PREFERENCE) || hasInvalidPath(DOWNLOAD_PATH_AUDIO_PREFERENCE);
}
if (res) {
Toast.makeText(ctx, R.string.download_pick_path, Toast.LENGTH_LONG).show();
// forget save paths
forgetSAFTree(DOWNLOAD_PATH_VIDEO_PREFERENCE);
forgetSAFTree(DOWNLOAD_PATH_AUDIO_PREFERENCE);
defaultPreferences.edit()
.putString(DOWNLOAD_PATH_VIDEO_PREFERENCE, "")
.putString(DOWNLOAD_PATH_AUDIO_PREFERENCE, "")
.apply();
updatePreferencesSummary();
}
@@ -78,6 +88,30 @@ public class DownloadSettingsFragment extends BasePreferenceFragment {
});
}
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
private boolean forgetPath(String prefKey) {
String path = defaultPreferences.getString(prefKey, "");
if (path == null || path.isEmpty()) return true;
if (path.startsWith("file://")) return false;
// forget SAF path (file:// is compatible with the SAF wrapper)
forgetSAFTree(getContext(), prefKey);
defaultPreferences.edit().putString(prefKey, "").apply();
return true;
}
private boolean hasInvalidPath(String prefKey) {
String value = defaultPreferences.getString(prefKey, null);
return value == null || value.isEmpty();
}
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
addPreferencesFromResource(R.xml.download_settings);
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
@@ -91,20 +125,25 @@ public class DownloadSettingsFragment extends BasePreferenceFragment {
findPreference(DOWNLOAD_STORAGE_API).setOnPreferenceChangeListener(null);
}
private void initKeys() {
DOWNLOAD_PATH_VIDEO_PREFERENCE = getString(R.string.download_path_video_key);
DOWNLOAD_PATH_AUDIO_PREFERENCE = getString(R.string.download_path_audio_key);
DOWNLOAD_STORAGE_API = getString(R.string.downloads_storage_api);
DOWNLOAD_STORAGE_API_DEFAULT = getString(R.string.downloads_storage_api_default);
private void updatePreferencesSummary() {
showPathInSummary(DOWNLOAD_PATH_VIDEO_PREFERENCE, R.string.download_path_summary, prefPathVideo);
showPathInSummary(DOWNLOAD_PATH_AUDIO_PREFERENCE, R.string.download_path_audio_summary, prefPathAudio);
}
private void updatePreferencesSummary() {
prefPathVideo.setSummary(
defaultPreferences.getString(DOWNLOAD_PATH_VIDEO_PREFERENCE, getString(R.string.download_path_summary))
);
prefPathAudio.setSummary(
defaultPreferences.getString(DOWNLOAD_PATH_AUDIO_PREFERENCE, getString(R.string.download_path_audio_summary))
);
private void showPathInSummary(String prefKey, @StringRes int defaultString, Preference target) {
String rawUri = defaultPreferences.getString(prefKey, null);
if (rawUri == null || rawUri.isEmpty()) {
target.setSummary(getString(defaultString));
return;
}
try {
rawUri = URLDecoder.decode(rawUri, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException e) {
// nothing to do
}
target.setSummary(rawUri);
}
private void updatePathPickers(boolean useJavaIO) {
@@ -119,20 +158,25 @@ public class DownloadSettingsFragment extends BasePreferenceFragment {
);
}
// FIXME: after releasing the old path, all downloads created on the folder becomes inaccessible
@RequiresApi(Build.VERSION_CODES.LOLLIPOP)
private void forgetSAFTree(String prefKey) {
private void forgetSAFTree(Context ctx, String prefKey) {
if (IGNORE_RELEASE_OLD_PATH) {
return;
}
String oldPath = defaultPreferences.getString(prefKey, "");
if (oldPath != null && !oldPath.isEmpty() && oldPath.charAt(0) != File.separatorChar) {
if (oldPath != null && !oldPath.isEmpty() && oldPath.charAt(0) != File.separatorChar && !oldPath.startsWith("file://")) {
try {
StoredDirectoryHelper mainStorage = new StoredDirectoryHelper(ctx, Uri.parse(oldPath), null);
if (!mainStorage.isDirect()) {
mainStorage.revokePermissions();
Log.i(TAG, "revokePermissions() [uri=" + oldPath + "] ¡success!");
}
} catch (IOException err) {
Log.e(TAG, "Error revoking Tree uri permissions [uri=" + oldPath + "]", err);
Uri uri = Uri.parse(oldPath);
ctx.getContentResolver().releasePersistableUriPermission(uri, StoredDirectoryHelper.PERMISSION_FLAGS);
ctx.revokeUriPermission(uri, StoredDirectoryHelper.PERMISSION_FLAGS);
Log.i(TAG, "Revoke old path permissions success on " + oldPath);
} catch (Exception err) {
Log.e(TAG, "Error revoking old path permissions on " + oldPath, err);
}
}
}
@@ -167,7 +211,7 @@ public class DownloadSettingsFragment extends BasePreferenceFragment {
if (safPick && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
i = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
.putExtra("android.content.extra.SHOW_ADVANCED", true)
.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | StoredDirectoryHelper.PERMISSION_FLAGS);
.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION | StoredDirectoryHelper.PERMISSION_FLAGS);
} else {
i = new Intent(getActivity(), FilePickerActivityHelper.class)
.putExtra(FilePickerActivityHelper.EXTRA_ALLOW_MULTIPLE, false)
@@ -208,27 +252,37 @@ public class DownloadSettingsFragment extends BasePreferenceFragment {
if (!usingJavaIO() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// steps:
// 1. acquire permissions on the new save path
// 2. save the new path, if step(1) was successful
// 1. revoke permissions on the old save path
// 2. acquire permissions on the new save path
// 3. save the new path, if step(2) was successful
final Context ctx = getContext();
if (ctx == null) throw new NullPointerException("getContext()");
forgetSAFTree(ctx, key);
try {
ctx.grantUriPermission(ctx.getPackageName(), uri, StoredDirectoryHelper.PERMISSION_FLAGS);
StoredDirectoryHelper mainStorage = new StoredDirectoryHelper(ctx, uri, null);
mainStorage.acquirePermissions();
Log.i(TAG, "acquirePermissions() [uri=" + uri.toString() + "] ¡success!");
Log.i(TAG, "Acquiring tree success from " + uri.toString());
if (!mainStorage.canWrite())
throw new IOException("No write permissions on " + uri.toString());
} catch (IOException err) {
Log.e(TAG, "Error acquiring permissions on " + uri.toString());
Log.e(TAG, "Error acquiring tree from " + uri.toString(), err);
showMessageDialog(R.string.general_error, R.string.no_available_dir);
return;
}
defaultPreferences.edit().putString(key, uri.toString()).apply();
} else {
defaultPreferences.edit().putString(key, uri.toString()).apply();
updatePreferencesSummary();
File target = new File(URI.create(uri.toString()));
if (!target.canWrite())
File target = Utils.getFileForUri(data.getData());
if (!target.canWrite()) {
showMessageDialog(R.string.download_to_sdcard_error_title, R.string.download_to_sdcard_error_message);
return;
}
uri = Uri.fromFile(target);
}
defaultPreferences.edit().putString(key, uri.toString()).apply();
updatePreferencesSummary();
}
}