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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECKER_SESSION_BRIDGE_ANDROID_H_
#define COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECKER_SESSION_BRIDGE_ANDROID_H_
#include <jni.h>
#include <memory>
#include "base/android/scoped_java_ref.h"
#include "base/macros.h"
#include "base/strings/string16.h"
// A class used to interface between the Java class of the same name and the
// android message filter. This class receives text to be spellchecked
// from the message filter, sends that text to the Java side via JNI to be
// spellchecked, and then sends those results to the renderer.
class SpellCheckerSessionBridge {
public:
explicit SpellCheckerSessionBridge(int render_process_id);
~SpellCheckerSessionBridge();
static bool RegisterJNI(JNIEnv* env);
// Receives text to be checked from the message filter and sends it to Java
// to be spellchecked.
void RequestTextCheck(int route_id,
int identifier,
const base::string16& text);
// Receives information from Java side about the typos in a given string
// of text, processes these and sends them to the renderer.
void ProcessSpellCheckResults(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jobj,
const base::android::JavaParamRef<jintArray>& offset_array,
const base::android::JavaParamRef<jintArray>& length_array);
// Sets the handle to the Java SpellCheckerSessionBridge object to null,
// marking the Java object for garbage collection.
void DisconnectSession();
private:
struct SpellingRequest {
SpellingRequest(int route_id, int identifier, const base::string16& text);
~SpellingRequest();
int route_id;
int identifier;
base::string16 text;
};
int render_process_id_;
std::unique_ptr<SpellingRequest> active_request_;
std::unique_ptr<SpellingRequest> pending_request_;
base::android::ScopedJavaGlobalRef<jobject> java_object_;
bool java_object_initialization_failed_;
bool active_session_;
DISALLOW_COPY_AND_ASSIGN(SpellCheckerSessionBridge);
};
#endif // COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECKER_SESSION_BRIDGE_ANDROID_H_
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