89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_RENDERER_API_ATOM_API_SPELL_CHECK_CLIENT_H_
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#define ATOM_RENDERER_API_ATOM_API_SPELL_CHECK_CLIENT_H_
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#include <string>
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#include <vector>
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#include "base/callback.h"
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#include "chrome/renderer/spellchecker/spellcheck_worditerator.h"
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#include "native_mate/scoped_persistent.h"
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#include "third_party/WebKit/public/web/WebSpellCheckClient.h"
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namespace blink {
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struct WebTextCheckingResult;
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}
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namespace atom {
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namespace api {
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class SpellCheckClient : public blink::WebSpellCheckClient {
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public:
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SpellCheckClient(const std::string& language,
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bool auto_spell_correct_turned_on,
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v8::Isolate* isolate,
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v8::Local<v8::Object> provider);
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virtual ~SpellCheckClient();
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private:
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// blink::WebSpellCheckClient:
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void checkSpelling(
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const blink::WebString& text,
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int& misspelledOffset,
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int& misspelledLength,
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blink::WebVector<blink::WebString>* optionalSuggestions) override;
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void requestCheckingOfText(
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const blink::WebString& textToCheck,
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blink::WebTextCheckingCompletion* completionCallback) override;
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void showSpellingUI(bool show) override;
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bool isShowingSpellingUI() override;
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void updateSpellingUIWithMisspelledWord(
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const blink::WebString& word) override;
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// Check the spelling of text.
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void SpellCheckText(const base::string16& text,
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bool stop_at_first_result,
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std::vector<blink::WebTextCheckingResult>* results);
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// Call JavaScript to check spelling a word.
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bool SpellCheckWord(const base::string16& word_to_check);
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// Find a possible correctly spelled word for a misspelled word. Computes an
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// empty string if input misspelled word is too long, there is ambiguity, or
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// the correct spelling cannot be determined.
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base::string16 GetAutoCorrectionWord(const base::string16& word);
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// Returns whether or not the given word is a contraction of valid words
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// (e.g. "word:word").
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bool IsValidContraction(const base::string16& word);
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// Represents character attributes used for filtering out characters which
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// are not supported by this SpellCheck object.
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SpellcheckCharAttribute character_attributes_;
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// Represents word iterators used in this spellchecker. The |text_iterator_|
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// splits text provided by WebKit into words, contractions, or concatenated
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// words. The |contraction_iterator_| splits a concatenated word extracted by
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// |text_iterator_| into word components so we can treat a concatenated word
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// consisting only of correct words as a correct word.
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SpellcheckWordIterator text_iterator_;
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SpellcheckWordIterator contraction_iterator_;
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bool auto_spell_correct_turned_on_;
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v8::Isolate* isolate_;
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mate::ScopedPersistent<v8::Object> provider_;
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mate::ScopedPersistent<v8::Function> spell_check_;
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DISALLOW_COPY_AND_ASSIGN(SpellCheckClient);
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};
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} // namespace api
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} // namespace atom
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#endif // ATOM_RENDERER_API_ATOM_API_SPELL_CHECK_CLIENT_H_
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