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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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44
app/src/main/java/us/shandian/giga/get/sqlite/FinishedMissionStore.java
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@@ -35,7 +35,7 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
/**
* The table name of download missions
*/
private static final String FINISHED_MISSIONS_TABLE_NAME = "finished_missions";
private static final String FINISHED_TABLE_NAME = "finished_missions";
/**
* The key to the urls of a mission
@@ -58,7 +58,7 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
* The statement to create the table
*/
private static final String MISSIONS_CREATE_TABLE =
"CREATE TABLE " + FINISHED_MISSIONS_TABLE_NAME + " (" +
"CREATE TABLE " + FINISHED_TABLE_NAME + " (" +
KEY_PATH + " TEXT NOT NULL, " +
KEY_SOURCE + " TEXT NOT NULL, " +
KEY_DONE + " INTEGER NOT NULL, " +
@@ -111,7 +111,7 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
)
).toString());
db.insert(FINISHED_MISSIONS_TABLE_NAME, null, values);
db.insert(FINISHED_TABLE_NAME, null, values);
}
db.setTransactionSuccessful();
db.endTransaction();
@@ -154,10 +154,10 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
mission.kind = kind.charAt(0);
try {
mission.storage = new StoredFileHelper(context, Uri.parse(path), "");
mission.storage = new StoredFileHelper(context,null, Uri.parse(path), "");
} catch (Exception e) {
Log.e("FinishedMissionStore", "failed to load the storage path of: " + path, e);
mission.storage = new StoredFileHelper(path, "", "");
mission.storage = new StoredFileHelper(null, path, "", "");
}
return mission;
@@ -170,7 +170,7 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
public ArrayList<FinishedMission> loadFinishedMissions() {
SQLiteDatabase database = getReadableDatabase();
Cursor cursor = database.query(FINISHED_MISSIONS_TABLE_NAME, null, null,
Cursor cursor = database.query(FINISHED_TABLE_NAME, null, null,
null, null, null, KEY_TIMESTAMP + " DESC");
int count = cursor.getCount();
@@ -188,33 +188,47 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
if (downloadMission == null) throw new NullPointerException("downloadMission is null");
SQLiteDatabase database = getWritableDatabase();
ContentValues values = getValuesOfMission(downloadMission);
database.insert(FINISHED_MISSIONS_TABLE_NAME, null, values);
database.insert(FINISHED_TABLE_NAME, null, values);
}
public void deleteMission(Mission mission) {
if (mission == null) throw new NullPointerException("mission is null");
String path = mission.getDownloadedFileUri().toString();
String ts = String.valueOf(mission.timestamp);
SQLiteDatabase database = getWritableDatabase();
if (mission instanceof FinishedMission)
database.delete(FINISHED_MISSIONS_TABLE_NAME, KEY_TIMESTAMP + " = ?, " + KEY_PATH + " = ?", new String[]{path});
else
if (mission instanceof FinishedMission) {
if (mission.storage.isInvalid()) {
database.delete(FINISHED_TABLE_NAME, KEY_TIMESTAMP + " = ?", new String[]{ts});
} else {
database.delete(FINISHED_TABLE_NAME, KEY_TIMESTAMP + " = ? AND " + KEY_PATH + " = ?", new String[]{
ts, mission.storage.getUri().toString()
});
}
} else {
throw new UnsupportedOperationException("DownloadMission");
}
}
public void updateMission(Mission mission) {
if (mission == null) throw new NullPointerException("mission is null");
SQLiteDatabase database = getWritableDatabase();
ContentValues values = getValuesOfMission(mission);
String path = mission.getDownloadedFileUri().toString();
String ts = String.valueOf(mission.timestamp);
int rowsAffected;
if (mission instanceof FinishedMission)
rowsAffected = database.update(FINISHED_MISSIONS_TABLE_NAME, values, KEY_PATH + " = ?", new String[]{path});
else
if (mission instanceof FinishedMission) {
if (mission.storage.isInvalid()) {
rowsAffected = database.update(FINISHED_TABLE_NAME, values, KEY_TIMESTAMP + " = ?", new String[]{ts});
} else {
rowsAffected = database.update(FINISHED_TABLE_NAME, values, KEY_PATH + " = ?", new String[]{
mission.storage.getUri().toString()
});
}
} else {
throw new UnsupportedOperationException("DownloadMission");
}
if (rowsAffected != 1) {
Log.e("FinishedMissionStore", "Expected 1 row to be affected by update but got " + rowsAffected);