Merge remote-tracking branch 'goog/master' into merge

Conflicts:
	java/res/xml/method.xml

Change-Id: I455cb689f3a1baca7cc8b8ef88d9dbcdca8128a3

1 files changed, 253 insertions, 10 deletions

diff --git a/java/src/com/android/inputmethod/latin/Settings.java b/java/src/com/android/inputmethod/latin/Settings.java
index 42b0fadc2..7c323c155 100644
--- a/java/src/com/android/inputmethod/latin/Settings.java
+++ b/java/src/com/android/inputmethod/latin/Settings.java
@@ -25,9 +25,11 @@ import com.android.inputmethod.compat.VibratorCompatWrapper;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.backup.BackupManager;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.res.Resources;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
@@ -43,6 +45,7 @@ import android.text.method.LinkMovementMethod;
 import android.util.Log;
 import android.widget.TextView;
 
+import java.util.Arrays;
 import java.util.Locale;
 
 public class Settings extends PreferenceActivity
@@ -53,7 +56,7 @@ public class Settings extends PreferenceActivity
     public static final String PREF_GENERAL_SETTINGS_KEY = "general_settings";
     public static final String PREF_VIBRATE_ON = "vibrate_on";
     public static final String PREF_SOUND_ON = "sound_on";
-    public static final String PREF_POPUP_ON = "popup_on";
+    public static final String PREF_KEY_PREVIEW_POPUP_ON = "popup_on";
     public static final String PREF_RECORRECTION_ENABLED = "recorrection_enabled";
     public static final String PREF_AUTO_CAP = "auto_cap";
     public static final String PREF_SETTINGS_KEY = "settings_key";
@@ -74,17 +77,224 @@ public class Settings extends PreferenceActivity
 
     public static final String PREF_MISC_SETTINGS_KEY = "misc_settings";
 
+    public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
+            "pref_key_preview_popup_dismiss_delay";
+
     public static final String PREF_USABILITY_STUDY_MODE = "usability_study_mode";
 
     // Dialog ids
     private static final int VOICE_INPUT_CONFIRM_DIALOG = 0;
 
+    public static class Values {
+        // From resources:
+        public final boolean mEnableShowSubtypeSettings;
+        public final boolean mSwipeDownDismissKeyboardEnabled;
+        public final int mDelayBeforeFadeoutLanguageOnSpacebar;
+        public final int mDelayUpdateSuggestions;
+        public final int mDelayUpdateOldSuggestions;
+        public final int mDelayUpdateShiftState;
+        public final int mDurationOfFadeoutLanguageOnSpacebar;
+        public final float mFinalFadeoutFactorOfLanguageOnSpacebar;
+        public final long mDoubleSpacesTurnIntoPeriodTimeout;
+        public final String mWordSeparators;
+        public final String mMagicSpaceStrippers;
+        public final String mMagicSpaceSwappers;
+        public final String mSuggestPuncs;
+        public final SuggestedWords mSuggestPuncList;
+
+        // From preferences:
+        public final boolean mSoundOn; // Sound setting private to Latin IME (see mSilentModeOn)
+        public final boolean mVibrateOn;
+        public final boolean mKeyPreviewPopupOn;
+        public final int mKeyPreviewPopupDismissDelay;
+        public final boolean mAutoCap;
+        public final boolean mQuickFixes;
+        public final boolean mAutoCorrectEnabled;
+        public final double mAutoCorrectionThreshold;
+        // Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
+        public final boolean mBigramSuggestionEnabled;
+        // Prediction: use bigrams to predict the next word when there is no input for it yet
+        public final boolean mBigramPredictionEnabled;
+
+        public Values(final SharedPreferences prefs, final Context context,
+                final String localeStr) {
+            final Resources res = context.getResources();
+            final Locale savedLocale;
+            if (null != localeStr) {
+                final Locale keyboardLocale = new Locale(localeStr);
+                savedLocale = Utils.setSystemLocale(res, keyboardLocale);
+            } else {
+                savedLocale = null;
+            }
+
+            // Get the resources
+            mEnableShowSubtypeSettings = res.getBoolean(
+                    R.bool.config_enable_show_subtype_settings);
+            mSwipeDownDismissKeyboardEnabled = res.getBoolean(
+                    R.bool.config_swipe_down_dismiss_keyboard_enabled);
+            mDelayBeforeFadeoutLanguageOnSpacebar = res.getInteger(
+                    R.integer.config_delay_before_fadeout_language_on_spacebar);
+            mDelayUpdateSuggestions =
+                    res.getInteger(R.integer.config_delay_update_suggestions);
+            mDelayUpdateOldSuggestions = res.getInteger(
+                    R.integer.config_delay_update_old_suggestions);
+            mDelayUpdateShiftState =
+                    res.getInteger(R.integer.config_delay_update_shift_state);
+            mDurationOfFadeoutLanguageOnSpacebar = res.getInteger(
+                    R.integer.config_duration_of_fadeout_language_on_spacebar);
+            mFinalFadeoutFactorOfLanguageOnSpacebar = res.getInteger(
+                    R.integer.config_final_fadeout_percentage_of_language_on_spacebar) / 100.0f;
+            mDoubleSpacesTurnIntoPeriodTimeout = res.getInteger(
+                    R.integer.config_double_spaces_turn_into_period_timeout);
+            mMagicSpaceStrippers = res.getString(R.string.magic_space_stripping_symbols);
+            mMagicSpaceSwappers = res.getString(R.string.magic_space_swapping_symbols);
+            String wordSeparators = mMagicSpaceStrippers + mMagicSpaceSwappers
+                    + res.getString(R.string.magic_space_promoting_symbols);
+            final String notWordSeparators = res.getString(R.string.non_word_separator_symbols);
+            for (int i = notWordSeparators.length() - 1; i >= 0; --i) {
+                wordSeparators = wordSeparators.replace(notWordSeparators.substring(i, i + 1), "");
+            }
+            mWordSeparators = wordSeparators;
+            mSuggestPuncs = res.getString(R.string.suggested_punctuations);
+            // TODO: it would be nice not to recreate this each time we change the configuration
+            mSuggestPuncList = createSuggestPuncList(mSuggestPuncs);
+
+            // Get the settings preferences
+            final boolean hasVibrator = VibratorCompatWrapper.getInstance(context).hasVibrator();
+            mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false);
+            mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON,
+                    res.getBoolean(R.bool.config_default_sound_enabled));
+
+            mKeyPreviewPopupOn = isKeyPreviewPopupEnabled(prefs, res);
+            mKeyPreviewPopupDismissDelay = getKeyPreviewPopupDismissDelay(prefs, res);
+            mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);
+            mQuickFixes = isQuickFixesEnabled(prefs, res);
+
+            mAutoCorrectEnabled = isAutoCorrectEnabled(prefs, res);
+            mBigramSuggestionEnabled = mAutoCorrectEnabled
+                    && isBigramSuggestionEnabled(prefs, res, mAutoCorrectEnabled);
+            mBigramPredictionEnabled = mBigramSuggestionEnabled
+                    && isBigramPredictionEnabled(prefs, res);
+
+            mAutoCorrectionThreshold = getAutoCorrectionThreshold(prefs, res);
+
+            Utils.setSystemLocale(res, savedLocale);
+        }
+
+        public boolean isSuggestedPunctuation(int code) {
+            return mSuggestPuncs.contains(String.valueOf((char)code));
+        }
+
+        public boolean isWordSeparator(int code) {
+            return mWordSeparators.contains(String.valueOf((char)code));
+        }
+
+        public boolean isMagicSpaceStripper(int code) {
+            return mMagicSpaceStrippers.contains(String.valueOf((char)code));
+        }
+
+        public boolean isMagicSpaceSwapper(int code) {
+            return mMagicSpaceSwappers.contains(String.valueOf((char)code));
+        }
+
+        // Helper methods
+        private static boolean isQuickFixesEnabled(SharedPreferences sp, Resources resources) {
+            final boolean showQuickFixesOption = resources.getBoolean(
+                    R.bool.config_enable_quick_fixes_option);
+            if (!showQuickFixesOption) {
+                return isAutoCorrectEnabled(sp, resources);
+            }
+            return sp.getBoolean(Settings.PREF_QUICK_FIXES, resources.getBoolean(
+                    R.bool.config_default_quick_fixes));
+        }
+
+        private static boolean isAutoCorrectEnabled(SharedPreferences sp, Resources resources) {
+            final String currentAutoCorrectionSetting = sp.getString(
+                    Settings.PREF_AUTO_CORRECTION_THRESHOLD,
+                    resources.getString(R.string.auto_correction_threshold_mode_index_modest));
+            final String autoCorrectionOff = resources.getString(
+                    R.string.auto_correction_threshold_mode_index_off);
+            return !currentAutoCorrectionSetting.equals(autoCorrectionOff);
+        }
+
+        // Public to access from KeyboardSwitcher. Should it have access to some
+        // process-global instance instead?
+        public static boolean isKeyPreviewPopupEnabled(SharedPreferences sp, Resources resources) {
+            final boolean showPopupOption = resources.getBoolean(
+                    R.bool.config_enable_show_popup_on_keypress_option);
+            if (!showPopupOption) return resources.getBoolean(R.bool.config_default_popup_preview);
+            return sp.getBoolean(Settings.PREF_KEY_PREVIEW_POPUP_ON,
+                    resources.getBoolean(R.bool.config_default_popup_preview));
+        }
+
+        // Likewise
+        public static int getKeyPreviewPopupDismissDelay(SharedPreferences sp,
+                Resources resources) {
+            return Integer.parseInt(sp.getString(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY,
+                    Integer.toString(resources.getInteger(R.integer.config_delay_after_preview))));
+        }
+
+        private static boolean isBigramSuggestionEnabled(SharedPreferences sp, Resources resources,
+                boolean autoCorrectEnabled) {
+            final boolean showBigramSuggestionsOption = resources.getBoolean(
+                    R.bool.config_enable_bigram_suggestions_option);
+            if (!showBigramSuggestionsOption) {
+                return autoCorrectEnabled;
+            }
+            return sp.getBoolean(Settings.PREF_BIGRAM_SUGGESTIONS, resources.getBoolean(
+                    R.bool.config_default_bigram_suggestions));
+        }
+
+        private static boolean isBigramPredictionEnabled(SharedPreferences sp,
+                Resources resources) {
+            return sp.getBoolean(Settings.PREF_BIGRAM_PREDICTIONS, resources.getBoolean(
+                    R.bool.config_default_bigram_prediction));
+        }
+
+        private static double getAutoCorrectionThreshold(SharedPreferences sp,
+                Resources resources) {
+            final String currentAutoCorrectionSetting = sp.getString(
+                    Settings.PREF_AUTO_CORRECTION_THRESHOLD,
+                    resources.getString(R.string.auto_correction_threshold_mode_index_modest));
+            final String[] autoCorrectionThresholdValues = resources.getStringArray(
+                    R.array.auto_correction_threshold_values);
+            // When autoCorrectionThreshold is greater than 1.0, it's like auto correction is off.
+            double autoCorrectionThreshold = Double.MAX_VALUE;
+            try {
+                final int arrayIndex = Integer.valueOf(currentAutoCorrectionSetting);
+                if (arrayIndex >= 0 && arrayIndex < autoCorrectionThresholdValues.length) {
+                    autoCorrectionThreshold = Double.parseDouble(
+                            autoCorrectionThresholdValues[arrayIndex]);
+                }
+            } catch (NumberFormatException e) {
+                // Whenever the threshold settings are correct, never come here.
+                autoCorrectionThreshold = Double.MAX_VALUE;
+                Log.w(TAG, "Cannot load auto correction threshold setting."
+                        + " currentAutoCorrectionSetting: " + currentAutoCorrectionSetting
+                        + ", autoCorrectionThresholdValues: "
+                        + Arrays.toString(autoCorrectionThresholdValues));
+            }
+            return autoCorrectionThreshold;
+        }
+
+        private static SuggestedWords createSuggestPuncList(final String puncs) {
+            SuggestedWords.Builder builder = new SuggestedWords.Builder();
+            if (puncs != null) {
+                for (int i = 0; i < puncs.length(); i++) {
+                    builder.addWord(puncs.subSequence(i, i + 1));
+                }
+            }
+            return builder.build();
+        }
+    }
+
     private PreferenceScreen mInputLanguageSelection;
     private CheckBoxPreference mQuickFixes;
     private ListPreference mVoicePreference;
     private ListPreference mSettingsKeyPreference;
     private ListPreference mShowCorrectionSuggestionsPreference;
     private ListPreference mAutoCorrectionThreshold;
+    private ListPreference mKeyPreviewPopupDismissDelay;
     // Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
     private CheckBoxPreference mBigramSuggestion;
     // Prediction: use bigrams to predict the next word when there is no input for it yet
@@ -110,6 +320,8 @@ public class Settings extends PreferenceActivity
     @Override
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);
+        final Resources res = getResources();
+
         addPreferencesFromResource(R.xml.prefs);
         mInputLanguageSelection = (PreferenceScreen) findPreference(PREF_SUBTYPES);
         mInputLanguageSelection.setOnPreferenceClickListener(this);
@@ -145,13 +357,13 @@ public class Settings extends PreferenceActivity
         final PreferenceGroup bigramGroup =
                 (PreferenceGroup) findPreference(PREF_NGRAM_SETTINGS_KEY);
 
-        final boolean showSettingsKeyOption = getResources().getBoolean(
+        final boolean showSettingsKeyOption = res.getBoolean(
                 R.bool.config_enable_show_settings_key_option);
         if (!showSettingsKeyOption) {
             generalSettings.removePreference(mSettingsKeyPreference);
         }
 
-        final boolean showVoiceKeyOption = getResources().getBoolean(
+        final boolean showVoiceKeyOption = res.getBoolean(
                 R.bool.config_enable_show_voice_key_option);
         if (!showVoiceKeyOption) {
             generalSettings.removePreference(mVoicePreference);
@@ -161,43 +373,60 @@ public class Settings extends PreferenceActivity
             generalSettings.removePreference(findPreference(PREF_VIBRATE_ON));
         }
 
-        final boolean showSubtypeSettings = getResources().getBoolean(
+        final boolean showSubtypeSettings = res.getBoolean(
                 R.bool.config_enable_show_subtype_settings);
         if (InputMethodServiceCompatWrapper.CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED
                 && !showSubtypeSettings) {
             generalSettings.removePreference(findPreference(PREF_SUBTYPES));
         }
 
-        final boolean showPopupOption = getResources().getBoolean(
+        final boolean showPopupOption = res.getBoolean(
                 R.bool.config_enable_show_popup_on_keypress_option);
         if (!showPopupOption) {
-            generalSettings.removePreference(findPreference(PREF_POPUP_ON));
+            generalSettings.removePreference(findPreference(PREF_KEY_PREVIEW_POPUP_ON));
         }
 
-        final boolean showRecorrectionOption = getResources().getBoolean(
+        final boolean showRecorrectionOption = res.getBoolean(
                 R.bool.config_enable_show_recorrection_option);
         if (!showRecorrectionOption) {
             generalSettings.removePreference(findPreference(PREF_RECORRECTION_ENABLED));
         }
 
-        final boolean showQuickFixesOption = getResources().getBoolean(
+        final boolean showQuickFixesOption = res.getBoolean(
                 R.bool.config_enable_quick_fixes_option);
         if (!showQuickFixesOption) {
             textCorrectionGroup.removePreference(findPreference(PREF_QUICK_FIXES));
         }
 
-        final boolean showBigramSuggestionsOption = getResources().getBoolean(
+        final boolean showBigramSuggestionsOption = res.getBoolean(
                 R.bool.config_enable_bigram_suggestions_option);
         if (!showBigramSuggestionsOption) {
             textCorrectionGroup.removePreference(findPreference(PREF_BIGRAM_SUGGESTIONS));
             textCorrectionGroup.removePreference(findPreference(PREF_BIGRAM_PREDICTIONS));
         }
 
-        final boolean showUsabilityModeStudyOption = getResources().getBoolean(
+        final boolean showUsabilityModeStudyOption = res.getBoolean(
                 R.bool.config_enable_usability_study_mode_option);
         if (!showUsabilityModeStudyOption) {
             getPreferenceScreen().removePreference(findPreference(PREF_USABILITY_STUDY_MODE));
         }
+
+        mKeyPreviewPopupDismissDelay =
+                (ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+        final String[] entries = new String[] {
+                res.getString(R.string.key_preview_popup_dismiss_no_delay),
+                res.getString(R.string.key_preview_popup_dismiss_default_delay),
+        };
+        final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger(
+                R.integer.config_delay_after_preview));
+        mKeyPreviewPopupDismissDelay.setEntries(entries);
+        mKeyPreviewPopupDismissDelay.setEntryValues(
+                new String[] { "0", popupDismissDelayDefaultValue });
+        if (null == mKeyPreviewPopupDismissDelay.getValue()) {
+            mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
+        }
+        mKeyPreviewPopupDismissDelay.setEnabled(
+                Settings.Values.isKeyPreviewPopupEnabled(prefs, res));
     }
 
     @Override
@@ -216,6 +445,7 @@ public class Settings extends PreferenceActivity
         }
         updateSettingsKeySummary();
         updateShowCorrectionSuggestionsSummary();
+        updateKeyPreviewPopupDelaySummary();
     }
 
     @Override
@@ -234,6 +464,12 @@ public class Settings extends PreferenceActivity
                     .equals(mVoiceModeOff)) {
                 showVoiceConfirmation();
             }
+        } else if (key.equals(PREF_KEY_PREVIEW_POPUP_ON)) {
+            final ListPreference popupDismissDelay =
+                (ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+            if (null != popupDismissDelay) {
+                popupDismissDelay.setEnabled(prefs.getBoolean(PREF_KEY_PREVIEW_POPUP_ON, true));
+            }
         }
         ensureConsistencyOfAutoCorrectionSettings();
         mVoiceOn = !(prefs.getString(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff)
@@ -241,6 +477,7 @@ public class Settings extends PreferenceActivity
         updateVoiceModeSummary();
         updateSettingsKeySummary();
         updateShowCorrectionSuggestionsSummary();
+        updateKeyPreviewPopupDelaySummary();
     }
 
     @Override
@@ -262,11 +499,17 @@ public class Settings extends PreferenceActivity
     }
 
     private void updateSettingsKeySummary() {
+        final ListPreference lp = mSettingsKeyPreference;
         mSettingsKeyPreference.setSummary(
                 getResources().getStringArray(R.array.settings_key_modes)
                 [mSettingsKeyPreference.findIndexOfValue(mSettingsKeyPreference.getValue())]);
     }
 
+    private void updateKeyPreviewPopupDelaySummary() {
+        final ListPreference lp = mKeyPreviewPopupDismissDelay;
+        lp.setSummary(lp.getEntries()[lp.findIndexOfValue(lp.getValue())]);
+    }
+
     private void showVoiceConfirmation() {
         mOkClicked = false;
         showDialog(VOICE_INPUT_CONFIRM_DIALOG);