diff options
Diffstat (limited to 'packages/DocumentsUI/src/com/android/documentsui/RecentsProvider.java')
| -rw-r--r-- | packages/DocumentsUI/src/com/android/documentsui/RecentsProvider.java | 172 |
1 files changed, 97 insertions, 75 deletions
diff --git a/packages/DocumentsUI/src/com/android/documentsui/RecentsProvider.java b/packages/DocumentsUI/src/com/android/documentsui/RecentsProvider.java index 0c87783..df7ed4a 100644 --- a/packages/DocumentsUI/src/com/android/documentsui/RecentsProvider.java +++ b/packages/DocumentsUI/src/com/android/documentsui/RecentsProvider.java @@ -25,51 +25,64 @@ import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.net.Uri; +import android.provider.DocumentsContract.Document; +import android.provider.DocumentsContract.Root; import android.text.format.DateUtils; import android.util.Log; public class RecentsProvider extends ContentProvider { private static final String TAG = "RecentsProvider"; - // TODO: offer view of recents that handles backend root resolution before - // returning cursor, include extra columns + public static final long MAX_HISTORY_IN_MILLIS = DateUtils.DAY_IN_MILLIS * 45; - public static final String AUTHORITY = "com.android.documentsui.recents"; + private static final String AUTHORITY = "com.android.documentsui.recents"; private static final UriMatcher sMatcher = new UriMatcher(UriMatcher.NO_MATCH); - private static final int URI_RECENT_OPEN = 1; - private static final int URI_RECENT_CREATE = 2; + private static final int URI_RECENT = 1; + private static final int URI_STATE = 2; private static final int URI_RESUME = 3; static { - sMatcher.addURI(AUTHORITY, "recent_open", URI_RECENT_OPEN); - sMatcher.addURI(AUTHORITY, "recent_create", URI_RECENT_CREATE); + sMatcher.addURI(AUTHORITY, "recent", URI_RECENT); + // state/authority/rootId/docId + sMatcher.addURI(AUTHORITY, "state/*/*/*", URI_STATE); + // resume/packageName sMatcher.addURI(AUTHORITY, "resume/*", URI_RESUME); } - private static final String TABLE_RECENT_OPEN = "recent_open"; - private static final String TABLE_RECENT_CREATE = "recent_create"; - private static final String TABLE_RESUME = "resume"; - - /** - * String of URIs pointing at a storage backend, stored as a JSON array, - * starting with root. - */ - public static final String COL_PATH = "path"; - public static final String COL_URI = "uri"; - public static final String COL_PACKAGE_NAME = "package_name"; - public static final String COL_TIMESTAMP = "timestamp"; - - @Deprecated - public static Uri buildRecentOpen() { - return new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT) - .authority(AUTHORITY).appendPath("recent_open").build(); + public static final String TABLE_RECENT = "recent"; + public static final String TABLE_STATE = "state"; + public static final String TABLE_RESUME = "resume"; + + public static class RecentColumns { + public static final String STACK = "stack"; + public static final String TIMESTAMP = "timestamp"; + } + + public static class StateColumns { + public static final String AUTHORITY = "authority"; + public static final String ROOT_ID = Root.COLUMN_ROOT_ID; + public static final String DOCUMENT_ID = Document.COLUMN_DOCUMENT_ID; + public static final String MODE = "mode"; + public static final String SORT_ORDER = "sortOrder"; } - public static Uri buildRecentCreate() { + public static class ResumeColumns { + public static final String PACKAGE_NAME = "package_name"; + public static final String STACK = "stack"; + public static final String TIMESTAMP = "timestamp"; + } + + public static Uri buildRecent() { return new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT) - .authority(AUTHORITY).appendPath("recent_create").build(); + .authority(AUTHORITY).appendPath("recent").build(); + } + + public static Uri buildState(String authority, String rootId, String documentId) { + return new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT).authority(AUTHORITY) + .appendPath("state").appendPath(authority).appendPath(rootId).appendPath(documentId) + .build(); } public static Uri buildResume(String packageName) { @@ -83,35 +96,42 @@ public class RecentsProvider extends ContentProvider { private static final String DB_NAME = "recents.db"; private static final int VERSION_INIT = 1; + private static final int VERSION_AS_BLOB = 3; public DatabaseHelper(Context context) { - super(context, DB_NAME, null, VERSION_INIT); + super(context, DB_NAME, null, VERSION_AS_BLOB); } @Override public void onCreate(SQLiteDatabase db) { - db.execSQL("CREATE TABLE " + TABLE_RECENT_OPEN + " (" + - COL_URI + " TEXT PRIMARY KEY ON CONFLICT REPLACE," + - COL_TIMESTAMP + " INTEGER" + + + db.execSQL("CREATE TABLE " + TABLE_RECENT + " (" + + RecentColumns.STACK + " BLOB PRIMARY KEY ON CONFLICT REPLACE," + + RecentColumns.TIMESTAMP + " INTEGER" + ")"); - db.execSQL("CREATE TABLE " + TABLE_RECENT_CREATE + " (" + - COL_PATH + " TEXT PRIMARY KEY ON CONFLICT REPLACE," + - COL_TIMESTAMP + " INTEGER" + + db.execSQL("CREATE TABLE " + TABLE_STATE + " (" + + StateColumns.AUTHORITY + " TEXT," + + StateColumns.ROOT_ID + " TEXT," + + StateColumns.DOCUMENT_ID + " TEXT," + + StateColumns.MODE + " INTEGER," + + StateColumns.SORT_ORDER + " INTEGER," + + "PRIMARY KEY (" + StateColumns.AUTHORITY + ", " + StateColumns.ROOT_ID + ", " + + StateColumns.DOCUMENT_ID + ")" + ")"); db.execSQL("CREATE TABLE " + TABLE_RESUME + " (" + - COL_PACKAGE_NAME + " TEXT PRIMARY KEY ON CONFLICT REPLACE," + - COL_PATH + " TEXT," + - COL_TIMESTAMP + " INTEGER" + + ResumeColumns.PACKAGE_NAME + " TEXT PRIMARY KEY ON CONFLICT REPLACE," + + ResumeColumns.STACK + " BLOB," + + ResumeColumns.TIMESTAMP + " INTEGER" + ")"); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { Log.w(TAG, "Upgrading database; wiping app data"); - db.execSQL("DROP TABLE IF EXISTS " + TABLE_RECENT_OPEN); - db.execSQL("DROP TABLE IF EXISTS " + TABLE_RECENT_CREATE); + db.execSQL("DROP TABLE IF EXISTS " + TABLE_RECENT); + db.execSQL("DROP TABLE IF EXISTS " + TABLE_STATE); db.execSQL("DROP TABLE IF EXISTS " + TABLE_RESUME); onCreate(db); } @@ -128,22 +148,23 @@ public class RecentsProvider extends ContentProvider { String sortOrder) { final SQLiteDatabase db = mHelper.getReadableDatabase(); switch (sMatcher.match(uri)) { - case URI_RECENT_OPEN: { - return db.query(TABLE_RECENT_OPEN, projection, - buildWhereYounger(DateUtils.WEEK_IN_MILLIS), null, null, null, null); - } - case URI_RECENT_CREATE: { - return db.query(TABLE_RECENT_CREATE, projection, - buildWhereYounger(DateUtils.WEEK_IN_MILLIS), null, null, null, null); - } - case URI_RESUME: { + case URI_RECENT: + return db.query(TABLE_RECENT, projection, + RecentColumns.TIMESTAMP + "<" + MAX_HISTORY_IN_MILLIS, null, null, null, + null); + case URI_STATE: + final String authority = uri.getPathSegments().get(1); + final String rootId = uri.getPathSegments().get(2); + final String documentId = uri.getPathSegments().get(3); + return db.query(TABLE_STATE, projection, StateColumns.AUTHORITY + "=? AND " + + StateColumns.ROOT_ID + "=? AND " + StateColumns.DOCUMENT_ID + "=?", + new String[] { authority, rootId, documentId }, null, null, null); + case URI_RESUME: final String packageName = uri.getPathSegments().get(1); - return db.query(TABLE_RESUME, projection, COL_PACKAGE_NAME + "=?", + return db.query(TABLE_RESUME, projection, ResumeColumns.PACKAGE_NAME + "=?", new String[] { packageName }, null, null, null); - } - default: { + default: throw new UnsupportedOperationException("Unsupported Uri " + uri); - } } } @@ -156,28 +177,37 @@ public class RecentsProvider extends ContentProvider { public Uri insert(Uri uri, ContentValues values) { final SQLiteDatabase db = mHelper.getWritableDatabase(); switch (sMatcher.match(uri)) { - case URI_RECENT_OPEN: { - values.put(COL_TIMESTAMP, System.currentTimeMillis()); - db.insert(TABLE_RECENT_OPEN, null, values); - db.delete(TABLE_RECENT_OPEN, buildWhereOlder(DateUtils.WEEK_IN_MILLIS), null); + case URI_RECENT: + values.put(RecentColumns.TIMESTAMP, System.currentTimeMillis()); + db.insert(TABLE_RECENT, null, values); + db.delete( + TABLE_RECENT, RecentColumns.TIMESTAMP + ">" + MAX_HISTORY_IN_MILLIS, null); return uri; - } - case URI_RECENT_CREATE: { - values.put(COL_TIMESTAMP, System.currentTimeMillis()); - db.insert(TABLE_RECENT_CREATE, null, values); - db.delete(TABLE_RECENT_CREATE, buildWhereOlder(DateUtils.WEEK_IN_MILLIS), null); + case URI_STATE: + final String authority = uri.getPathSegments().get(1); + final String rootId = uri.getPathSegments().get(2); + final String documentId = uri.getPathSegments().get(3); + + final ContentValues key = new ContentValues(); + key.put(StateColumns.AUTHORITY, authority); + key.put(StateColumns.ROOT_ID, rootId); + key.put(StateColumns.DOCUMENT_ID, documentId); + + // Ensure that row exists, then update with changed values + db.insertWithOnConflict(TABLE_STATE, null, key, SQLiteDatabase.CONFLICT_IGNORE); + db.update(TABLE_STATE, values, StateColumns.AUTHORITY + "=? AND " + + StateColumns.ROOT_ID + "=? AND " + StateColumns.DOCUMENT_ID + "=?", + new String[] { authority, rootId, documentId }); + return uri; - } - case URI_RESUME: { + case URI_RESUME: final String packageName = uri.getPathSegments().get(1); - values.put(COL_PACKAGE_NAME, packageName); - values.put(COL_TIMESTAMP, System.currentTimeMillis()); + values.put(ResumeColumns.PACKAGE_NAME, packageName); + values.put(ResumeColumns.TIMESTAMP, System.currentTimeMillis()); db.insert(TABLE_RESUME, null, values); return uri; - } - default: { + default: throw new UnsupportedOperationException("Unsupported Uri " + uri); - } } } @@ -190,12 +220,4 @@ public class RecentsProvider extends ContentProvider { public int delete(Uri uri, String selection, String[] selectionArgs) { throw new UnsupportedOperationException("Unsupported Uri " + uri); } - - private static String buildWhereOlder(long deltaMillis) { - return COL_TIMESTAMP + "<" + (System.currentTimeMillis() - deltaMillis); - } - - private static String buildWhereYounger(long deltaMillis) { - return COL_TIMESTAMP + ">" + (System.currentTimeMillis() - deltaMillis); - } } |