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36 lines
1.7 KiB
Plaintext
36 lines
1.7 KiB
Plaintext
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module chromeos.ime.mojom;
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// Manages access to a set of IME engines.
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interface InputEngineManager {
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// Sets up the connection by binding the |to_engine_request| to the input
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// engine identified by the |ime_spec|. The |extra| is an optional serialized
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// protobuf data for setting up the IME engine. On success, return |success|
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// as true, and the input data can be sent to the engine by the channel using
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// the interface of |to_engine_request|. The channel interface |from_engine|
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// is implmented on the client and used to receive data sent from the engine.
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// On failure (e.g. input engine is not found), |success| is false.
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ConnectToImeEngine(string ime_spec,
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InputChannel& to_engine_request,
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InputChannel from_engine,
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array<uint8> extra)
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=> (bool success);
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};
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// A message channel is a paired message sender and receiver, representing
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// the communication channel between an client and the input engine connected.
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// In order to encapsulate all the communication, (e.g. access to some
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// closed-sourced input engine with decoders), implement the method that takes
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// a serialized protobuf message (instead of a plaintext) as its argument.
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interface InputChannel {
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// Returns a plaintext result after processing a plaintext message.
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ProcessText(string message) => (string result);
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// Returns a serialized protobuf result after processing a serialized
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// protobuf message.
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ProcessMessage(array<uint8> message) => (array<uint8> result);
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};
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