1/*
2 * Copyright (C) 2013 Samsung Electronics
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
22 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef TextCheckerClientEfl_h
27#define TextCheckerClientEfl_h
28
29#if ENABLE(SPELLCHECK)
30
31#include "TextCheckerEnchant.h"
32#include "Timer.h"
33#include <WebKit/WKTextChecker.h>
34#include <WebKit/ewk_text_checker_private.h>
35
36namespace WebKit {
37
38class TextCheckerClientEfl {
39public:
40    static TextCheckerClientEfl& instance();
41    friend class NeverDestroyed<TextCheckerClientEfl>;
42
43    // Can be set by ewk APIs, by default they are 0.
44    ClientCallbacks& clientCallbacks() { return m_clientCallbacks; }
45
46    bool isContinuousSpellCheckingEnabled() const;
47
48    // Languages support.
49    void ensureSpellCheckingLanguage();
50    Vector<String> availableSpellCheckingLanguages() const;
51    Vector<String> loadedSpellCheckingLanguages() const;
52    void updateSpellCheckingLanguages(const Vector<String>& defaultLanguages = Vector<String>());
53
54private:
55    TextCheckerClientEfl();
56
57    // To set languages on timer.
58    void languagesUpdateTimerFired(WebCore::Timer<TextCheckerClientEfl>*);
59    WebCore::Timer<TextCheckerClientEfl> m_languagesUpdateTimer;
60    Vector<String> m_spellCheckingLanguages;
61
62    // To notify the client about the setting change on timer.
63    void spellCheckingSettingChangeTimerFired(WebCore::Timer<TextCheckerClientEfl>*);
64    void callContinuousSpellCheckingChangeCallbackAsync();
65    WebCore::Timer<TextCheckerClientEfl> m_spellCheckingSettingChangeTimer;
66
67    // WKTextCheckerClient callbacks.
68    static bool isContinuousSpellCheckingEnabledCallback(const void*);
69    static void setContinuousSpellCheckingEnabledCallback(bool, const void*);
70    static uint64_t uniqueSpellDocumentTagCallback(WKPageRef, const void*);
71    static void closeSpellDocumentWithTagCallback(uint64_t, const void*);
72    static void checkSpellingOfStringCallback(uint64_t, WKStringRef text, int32_t* misspellingLocation, int32_t* misspellingLength, const void*);
73    static WKArrayRef guessesForWordCallback(uint64_t, WKStringRef word, const void*);
74    static void learnWordCallback(uint64_t, WKStringRef word, const void*);
75    static void ignoreWordCallback(uint64_t, WKStringRef word, const void*);
76
77    ClientCallbacks m_clientCallbacks;
78    OwnPtr<WebCore::TextCheckerEnchant> m_textCheckerEnchant;
79};
80
81} // namespace WebKit
82
83#endif // ENABLE(SPELLCHECK)
84#endif // TextCheckerClientEfl_h
85