Remove Hunspell on OS X - step 2

chrome/browser/spellchecker/spellchecker_mac.mm

Index: chrome/browser/spellchecker/spellchecker_mac.mm
diff --git a/chrome/browser/spellchecker/spellchecker_mac.mm b/chrome/browser/spellchecker/spellchecker_mac.mm
deleted file mode 100644
index 2f4f57abdf782c0054f23a3484324ddf5fc50e68..0000000000000000000000000000000000000000
--- a/chrome/browser/spellchecker/spellchecker_mac.mm
+++ /dev/null
@@ -1,300 +0,0 @@
-// Copyright (c) 2011 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.
-
-// This file implements the interface defined in spellchecker_platform_engine.h
-// for the OS X platform.
-
-#include "chrome/browser/spellchecker/spellchecker_platform_engine.h"
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/logging.h"
-#include "base/metrics/histogram.h"
-#include "base/sys_string_conversions.h"
-#include "base/task.h"
-#include "base/time.h"
-#include "chrome/common/spellcheck_common.h"
-#include "chrome/common/spellcheck_messages.h"
-#include "content/browser/browser_message_filter.h"
-#include "content/public/browser/browser_thread.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebTextCheckingResult.h"
-
-using base::TimeTicks;
-using content::BrowserThread;
-
-namespace {
-// The number of characters in the first part of the language code.
-const unsigned int kShortLanguageCodeSize = 2;
-
-// TextCheckingTask is reserved for spell checking against large size
-// of text, which possible contains multiple paragrpahs.  Checking
-// that size of text might take time, and should be done as a task on
-// the FILE thread.
-//
-// The result of the check is returned back as a
-// SpellCheckMsg_RespondTextCheck message.
-class TextCheckingTask : public Task {
- public:
-  TextCheckingTask(BrowserMessageFilter* destination,
-                   int route_id,
-                   int identifier,
-                   const string16& text,
-                   int document_tag)
-      : destination_(destination),
-        route_id_(route_id),
-        identifier_(identifier),
-        text_(text),
-        document_tag_(document_tag) {
-  }
-
-  virtual void Run() {
-    // TODO(morrita): Use [NSSpellChecker requestCheckingOfString]
-    // when the build target goes up to 10.6
-    std::vector<WebKit::WebTextCheckingResult> check_results;
-    NSString* text_to_check = base::SysUTF16ToNSString(text_);
-    size_t starting_at = 0;
-    while (starting_at < text_.size()) {
-      NSRange range = [[NSSpellChecker sharedSpellChecker]
-                         checkSpellingOfString:text_to_check
-                                    startingAt:starting_at
-                                      language:nil
-                                          wrap:NO
-                        inSpellDocumentWithTag:document_tag_
-                                     wordCount:NULL];
-      if (range.length == 0)
-        break;
-      check_results.push_back(WebKit::WebTextCheckingResult(
-          WebKit::WebTextCheckingResult::ErrorSpelling,
-          range.location,
-          range.length));
-      starting_at = range.location + range.length;
-    }
-
-    BrowserThread::PostTask(
-        BrowserThread::IO,
-        FROM_HERE,
-        NewRunnableMethod(
-            destination_.get(),
-            &BrowserMessageFilter::Send,
-            new SpellCheckMsg_RespondTextCheck(route_id_,
-                                               identifier_,
-                                               document_tag_,
-                                               check_results)));
-  }
-
- private:
-  scoped_refptr<BrowserMessageFilter> destination_;
-  int route_id_;
-  int identifier_;
-  string16 text_;
-  int document_tag_;
-};
-
-// A private utility function to convert hunspell language codes to OS X
-// language codes.
-NSString* ConvertLanguageCodeToMac(const std::string& hunspell_lang_code) {
-  NSString* whole_code = base::SysUTF8ToNSString(hunspell_lang_code);
-
-  if ([whole_code length] > kShortLanguageCodeSize) {
-    NSString* lang_code = [whole_code
-                           substringToIndex:kShortLanguageCodeSize];
-    // Add 1 here to skip the underscore.
-    NSString* region_code = [whole_code
-                             substringFromIndex:(kShortLanguageCodeSize + 1)];
-
-    // Check for the special case of en-US and pt-PT, since OS X lists these
-    // as just en and pt respectively.
-    // TODO(pwicks): Find out if there are other special cases for languages
-    // not installed on the system by default. Are there others like pt-PT?
-    if (([lang_code isEqualToString:@"en"] &&
-       [region_code isEqualToString:@"US"]) ||
-        ([lang_code isEqualToString:@"pt"] &&
-       [region_code isEqualToString:@"PT"])) {
-      return lang_code;
-    }
-
-    // Otherwise, just build a string that uses an underscore instead of a
-    // dash between the language and the region code, since this is the
-    // format that OS X uses.
-    NSString* os_x_language =
-        [NSString stringWithFormat:@"%@_%@", lang_code, region_code];
-    return os_x_language;
-  } else {
-    // Special case for Polish.
-    if ([whole_code isEqualToString:@"pl"]) {
-      return @"pl_PL";
-    }
-    // This is just a language code with the same format as OS X
-    // language code.
-    return whole_code;
-  }
-}
-
-std::string ConvertLanguageCodeFromMac(NSString* lang_code) {
-  // TODO(pwicks):figure out what to do about Multilingual
-  // Guards for strange cases.
-  if ([lang_code isEqualToString:@"en"]) return std::string("en-US");
-  if ([lang_code isEqualToString:@"pt"]) return std::string("pt-PT");
-  if ([lang_code isEqualToString:@"pl_PL"]) return std::string("pl");
-
-  if ([lang_code length] > kShortLanguageCodeSize &&
-      [lang_code characterAtIndex:kShortLanguageCodeSize] == '_') {
-    return base::SysNSStringToUTF8([NSString stringWithFormat:@"%@-%@",
-                [lang_code substringToIndex:kShortLanguageCodeSize],
-                [lang_code substringFromIndex:(kShortLanguageCodeSize + 1)]]);
-  }
-  return base::SysNSStringToUTF8(lang_code);
-}
-
-} // namespace
-
-namespace SpellCheckerPlatform {
-
-void GetAvailableLanguages(std::vector<std::string>* spellcheck_languages) {
-  NSArray* availableLanguages = [[NSSpellChecker sharedSpellChecker]
-                        availableLanguages];
-  for (NSString* lang_code in availableLanguages) {
-    spellcheck_languages->push_back(
-              ConvertLanguageCodeFromMac(lang_code));
-  }
-}
-
-bool SpellCheckerAvailable() {
-  // If this file was compiled, then we know that we are on OS X 10.5 at least
-  // and can safely return true here.
-  return true;
-}
-
-bool SpellCheckerProvidesPanel() {
-  // OS X has a Spelling Panel, so we can return true here.
-  return true;
-}
-
-bool SpellingPanelVisible() {
-  // This should only be called from the main thread.
-  DCHECK([NSThread currentThread] == [NSThread mainThread]);
-  return [[[NSSpellChecker sharedSpellChecker] spellingPanel] isVisible];
-}
-
-void ShowSpellingPanel(bool show) {
-  if (show) {
-    [[[NSSpellChecker sharedSpellChecker] spellingPanel]
-        performSelectorOnMainThread:@selector(makeKeyAndOrderFront:)
-                         withObject:nil
-                      waitUntilDone:YES];
-  } else {
-    [[[NSSpellChecker sharedSpellChecker] spellingPanel]
-        performSelectorOnMainThread:@selector(close)
-                         withObject:nil
-                      waitUntilDone:YES];
-  }
-}
-
-void UpdateSpellingPanelWithMisspelledWord(const string16& word) {
-  NSString * word_to_display = base::SysUTF16ToNSString(word);
-  [[NSSpellChecker sharedSpellChecker]
-      performSelectorOnMainThread:
-        @selector(updateSpellingPanelWithMisspelledWord:)
-                       withObject:word_to_display
-                    waitUntilDone:YES];
-}
-
-void Init() {
-}
-
-bool PlatformSupportsLanguage(const std::string& current_language) {
-  // First, convert the language to an OS X language code.
-  NSString* mac_lang_code = ConvertLanguageCodeToMac(current_language);
-
-  // Then grab the languages available.
-  NSArray* availableLanguages;
-  availableLanguages = [[NSSpellChecker sharedSpellChecker]
-                        availableLanguages];
-
-  // Return true if the given language is supported by OS X.
-  return [availableLanguages containsObject:mac_lang_code];
-}
-
-void SetLanguage(const std::string& lang_to_set) {
-  NSString* NS_lang_to_set = ConvertLanguageCodeToMac(lang_to_set);
-  [[NSSpellChecker sharedSpellChecker] setLanguage:NS_lang_to_set];
-}
-
-static int last_seen_tag_;
-
-bool CheckSpelling(const string16& word_to_check, int tag) {
-  last_seen_tag_ = tag;
-
-  // [[NSSpellChecker sharedSpellChecker] checkSpellingOfString] returns an
-  // NSRange that we can look at to determine if a word is misspelled.
-  NSRange spell_range = {0,0};
-
-  // Convert the word to an NSString.
-  NSString* NS_word_to_check = base::SysUTF16ToNSString(word_to_check);
-  // Check the spelling, starting at the beginning of the word.
-  spell_range = [[NSSpellChecker sharedSpellChecker]
-                  checkSpellingOfString:NS_word_to_check startingAt:0
-                  language:nil wrap:NO inSpellDocumentWithTag:tag
-                  wordCount:NULL];
-
-  // If the length of the misspelled word == 0,
-  // then there is no misspelled word.
-  bool word_correct = (spell_range.length == 0);
-  return word_correct;
-}
-
-void FillSuggestionList(const string16& wrong_word,
-                        std::vector<string16>* optional_suggestions) {
-  NSString* NS_wrong_word = base::SysUTF16ToNSString(wrong_word);
-  TimeTicks debug_begin_time = base::Histogram::DebugNow();
-  // The suggested words for |wrong_word|.
-  NSArray* guesses =
-      [[NSSpellChecker sharedSpellChecker] guessesForWord:NS_wrong_word];
-  DHISTOGRAM_TIMES("Spellcheck.SuggestTime",
-                   base::Histogram::DebugNow() - debug_begin_time);
-
-  for (int i = 0; i < static_cast<int>([guesses count]); i++) {
-    if (i < SpellCheckCommon::kMaxSuggestions) {
-      optional_suggestions->push_back(base::SysNSStringToUTF16(
-                                      [guesses objectAtIndex:i]));
-    }
-  }
-}
-
-void AddWord(const string16& word) {
-    NSString* word_to_add = base::SysUTF16ToNSString(word);
-  [[NSSpellChecker sharedSpellChecker] learnWord:word_to_add];
-}
-
-void RemoveWord(const string16& word) {
-  NSString *word_to_remove = base::SysUTF16ToNSString(word);
-  [[NSSpellChecker sharedSpellChecker] unlearnWord:word_to_remove];
-}
-
-int GetDocumentTag() {
-  NSInteger doc_tag = [NSSpellChecker uniqueSpellDocumentTag];
-  return static_cast<int>(doc_tag);
-}
-
-void IgnoreWord(const string16& word) {
-  [[NSSpellChecker sharedSpellChecker] ignoreWord:base::SysUTF16ToNSString(word)
-                           inSpellDocumentWithTag:last_seen_tag_];
-}
-
-void CloseDocumentWithTag(int tag) {
-  [[NSSpellChecker sharedSpellChecker]
-    closeSpellDocumentWithTag:static_cast<NSInteger>(tag)];
-}
-
-void RequestTextCheck(int route_id,
-                      int identifier,
-                      int document_tag,
-                      const string16& text, BrowserMessageFilter* destination) {
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      new TextCheckingTask(
-          destination, route_id, identifier, text, document_tag));
-}
-
-}  // namespace SpellCheckerPlatform