diff options
| -rw-r--r-- | core/java/android/widget/TextView.java | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java index 410a0ca5e829..b75c1e66644d 100644 --- a/core/java/android/widget/TextView.java +++ b/core/java/android/widget/TextView.java @@ -33,6 +33,7 @@ import android.graphics.RectF; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.inputmethodservice.ExtractEditText; +import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.os.Message; @@ -132,6 +133,7 @@ import java.io.IOException; import java.lang.ref.WeakReference; import java.util.ArrayList; import java.util.Locale; +import java.util.concurrent.locks.ReentrantLock; /** * Displays text to the user and optionally allows them to edit it. A TextView @@ -378,6 +380,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener private InputFilter[] mFilters = NO_FILTERS; + private volatile Locale mCurrentTextServicesLocaleCache; + private final ReentrantLock mCurrentTextServicesLocaleLock = new ReentrantLock(); + // It is possible to have a selection even when mEditor is null (programmatically set, like when // a link is pressed). These highlight-related fields do not go in mEditor. int mHighlightColor = 0x6633B5E5; @@ -451,6 +456,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener final Resources res = getResources(); final CompatibilityInfo compat = res.getCompatibilityInfo(); + updateTextServicesLocaleAsync(); + mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); mTextPaint.density = res.getDisplayMetrics().density; mTextPaint.setCompatibilityScaling(compat.applicationScale); @@ -7675,13 +7682,43 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener /** * This is a temporary method. Future versions may support multi-locale text. + * Caveat: This method may not return the latest text services locale, but this should be + * acceptable and it's more important to make this method asynchronous. * * @return The locale that should be used for a word iterator and a spell checker * in this TextView, based on the current spell checker settings, * the current IME's locale, or the system default locale. * @hide */ + // TODO: Support multi-locale + // TODO: Update the text services locale immediately after the keyboard locale is switched + // by catching intent of keyboard switch event public Locale getTextServicesLocale() { + if (mCurrentTextServicesLocaleCache == null) { + // If there is no cached text services locale, just return the default locale. + mCurrentTextServicesLocaleCache = Locale.getDefault(); + } + // Start fetching the text services locale asynchronously. + updateTextServicesLocaleAsync(); + return mCurrentTextServicesLocaleCache; + } + + private void updateTextServicesLocaleAsync() { + AsyncTask.execute(new Runnable() { + @Override + public void run() { + if (mCurrentTextServicesLocaleLock.tryLock()) { + try { + updateTextServicesLocaleLocked(); + } finally { + mCurrentTextServicesLocaleLock.unlock(); + } + } + } + }); + } + + private void updateTextServicesLocaleLocked() { Locale locale = Locale.getDefault(); final TextServicesManager textServicesManager = (TextServicesManager) mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); @@ -7689,7 +7726,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener if (subtype != null) { locale = SpellCheckerSubtype.constructLocaleFromString(subtype.getLocale()); } - return locale; + mCurrentTextServicesLocaleCache = locale; } void onLocaleChanged() { |