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Diffstat (limited to 'display/IBrailleService.aidl')
-rw-r--r-- | display/IBrailleService.aidl | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/display/IBrailleService.aidl b/display/IBrailleService.aidl new file mode 100644 index 0000000..2b478bb --- /dev/null +++ b/display/IBrailleService.aidl @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2012 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not + * use this file except in compliance with the License. You may obtain a copy of + * the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ + +package com.googlecode.eyesfree.braille.display; + +import com.googlecode.eyesfree.braille.display.IBrailleServiceCallback; + +/** + * Interface for clients to talk to the braille display service. + */ +interface IBrailleService { + /** + * Register a callback for the {@code callingApp} which will receive + * certain braille display related events. + */ + boolean registerCallback(in IBrailleServiceCallback callback); + + /** + * Unregister a previously registered callback for the {@code callingApp}. + */ + oneway void unregisterCallback(in IBrailleServiceCallback callback); + + /** + * Updates the main cells of the connected braille display + * with a given dot {@code pattern}. + * + * @return {@code true} on success and {@code false} otherwise. + */ + void displayDots(in byte[] patterns); +} |