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Merge "Use the dictionaries cached LatinIME-side"

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This commit is contained in:
Jean Chalard 2011-08-11 02:21:49 -07:00 committed by Android (Google) Code Review
commit 3a73a30ffd
1 changed files with 32 additions and 5 deletions
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37
java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
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@ -25,6 +25,7 @@ import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
@ -120,6 +121,30 @@ class BinaryDictionaryGetter {
context.getApplicationInfo().sourceDir, afd.getStartOffset(), afd.getLength());
}
/**
* Returns the list of cached files for a specific locale.
*
* @param locale the locale to find the dictionary files for.
* @param context the context on which to open the files upon.
* @return a list of binary dictionary files, which may be null but may not be empty.
*/
private static List<AssetFileAddress> getCachedDictionaryList(final Locale locale,
final Context context) {
final String directoryName = getCacheDirectoryForLocale(locale, context);
final File[] cacheFiles = new File(directoryName).listFiles();
if (null == cacheFiles) return null;
final ArrayList<AssetFileAddress> fileList = new ArrayList<AssetFileAddress>();
for (File f : cacheFiles) {
if (f.canRead()) {
fileList.add(AssetFileAddress.makeFromFileName(f.getPath()));
} else {
Log.e(TAG, "Found a cached dictionary file but cannot read it");
}
}
return fileList.size() > 0 ? fileList : null;
}
/**
* Returns a list of file addresses for a given locale, trying relevant methods in order.
*
@ -132,12 +157,14 @@ class BinaryDictionaryGetter {
* - Returns null.
* @return The address of a valid file, or null.
*/
public static List<AssetFileAddress> getDictionaryFiles(Locale locale, Context context,
int fallbackResId) {
public static List<AssetFileAddress> getDictionaryFiles(final Locale locale,
final Context context, final int fallbackResId) {
try {
List<AssetFileAddress> cachedDictionaryList =
BinaryDictionaryFileDumper.cacheDictionariesFromContentProvider(locale,
context);
// cacheDictionariesFromContentProvider returns the list of files it copied to local
// storage, but we don't really care about what was copied NOW: what we want is the
// list of everything we ever cached, so we ignore the return value.
BinaryDictionaryFileDumper.cacheDictionariesFromContentProvider(locale, context);
List<AssetFileAddress> cachedDictionaryList = getCachedDictionaryList(locale, context);
if (null != cachedDictionaryList) {
return cachedDictionaryList;
}