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// Copyright (c) 2012 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_SPELLCHECK_MESSAGE_FILTER_PLATFORM_H_
#define COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECK_MESSAGE_FILTER_PLATFORM_H_
#include <map>
#include "base/macros.h"
#include "build/build_config.h"
#include "components/spellcheck/browser/spelling_service_client.h"
#include "components/spellcheck/common/spellcheck_result.h"
#include "content/public/browser/browser_message_filter.h"
class SpellCheckerSessionBridge;
// A message filter implementation that receives
// the platform-specific spell checker requests from SpellCheckProvider.
class SpellCheckMessageFilterPlatform : public content::BrowserMessageFilter {
public:
explicit SpellCheckMessageFilterPlatform(int render_process_id);
// BrowserMessageFilter implementation.
void OverrideThreadForMessage(const IPC::Message& message,
content::BrowserThread::ID* thread) override;
bool OnMessageReceived(const IPC::Message& message) override;
// Adjusts remote_results by examining local_results. Any result that's both
// local and remote stays type SPELLING, all others are flagged GRAMMAR.
// (This is needed to force gray underline for remote-only results.)
static void CombineResults(
std::vector<SpellCheckResult>* remote_results,
const std::vector<SpellCheckResult>& local_results);
private:
friend class TestingSpellCheckMessageFilter;
friend class SpellcheckMessageFilterPlatformMacTest;
~SpellCheckMessageFilterPlatform() override;
void OnCheckSpelling(const base::string16& word, int route_id, bool* correct);
void OnFillSuggestionList(const base::string16& word,
std::vector<base::string16>* suggestions);
void OnRequestTextCheck(int route_id,
int identifier,
const base::string16& text);
int ToDocumentTag(int route_id);
void RetireDocumentTag(int route_id);
std::map<int,int> tag_map_;
int render_process_id_;
#if defined(OS_ANDROID)
friend struct content::BrowserThread::DeleteOnThread<
content::BrowserThread::UI>;
friend class base::DeleteHelper<SpellCheckMessageFilterPlatform>;
void OnToggleSpellCheck(bool enabled, bool checked);
void OnDestruct() const override;
// Android-specific object used to query the Android spellchecker.
std::unique_ptr<SpellCheckerSessionBridge> impl_;
#else
// A JSON-RPC client that calls the Spelling service in the background.
std::unique_ptr<SpellingServiceClient> client_;
#endif
DISALLOW_COPY_AND_ASSIGN(SpellCheckMessageFilterPlatform);
};
#endif // COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECK_MESSAGE_FILTER_PLATFORM_H_
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