Move KeyboardSwitcher.getKeyboard to KeyboardSet

This change also gets rid of XML id from KeyboardId.

Bug: 5002108
Bug: 5679585
Change-Id: I7086c7da3c01ba4ade7f77ee5cc731310da46404

java/src/com/android/inputmethod/keyboard/KeyboardId.java

@@ -60,8 +60,6 @@ public class KeyboardId {
     public final int mOrientation;
     public final int mWidth;
     public final int mMode;
-    // TODO: Remove this field.
-    private final int mXmlId;
     public final int mElementState;
     private final int mInputType;
     private final int mImeOptions;
@@ -72,14 +70,13 @@ public class KeyboardId {
 
     private final int mHashCode;
 
-    public KeyboardId(int xmlId, int elementState, Locale locale, int orientation, int width,
+    public KeyboardId(int elementState, Locale locale, int orientation, int width, int mode,
-            int mode, int inputType, int imeOptions, boolean settingsKeyEnabled,
+            int inputType, int imeOptions, boolean settingsKeyEnabled, boolean clobberSettingsKey,
-            boolean clobberSettingsKey, boolean shortcutKeyEnabled, boolean hasShortcutKey) {
+            boolean shortcutKeyEnabled, boolean hasShortcutKey) {
         this.mLocale = locale;
         this.mOrientation = orientation;
         this.mWidth = width;
         this.mMode = mode;
-        this.mXmlId = xmlId;
         this.mElementState = elementState;
         this.mInputType = inputType;
         this.mImeOptions = imeOptions;
@@ -97,7 +94,6 @@ public class KeyboardId {
                 id.mElementState,
                 id.mMode,
                 id.mWidth,
-                id.mXmlId,
                 id.navigateAction(),
                 id.passwordInput(),
                 id.mSettingsKeyEnabled,
@@ -116,7 +112,6 @@ public class KeyboardId {
                 && other.mElementState == this.mElementState
                 && other.mMode == this.mMode
                 && other.mWidth == this.mWidth
-                && other.mXmlId == this.mXmlId
                 && other.navigateAction() == this.navigateAction()
                 && other.passwordInput() == this.passwordInput()
                 && other.mSettingsKeyEnabled == this.mSettingsKeyEnabled
@@ -127,16 +122,6 @@ public class KeyboardId {
                 && other.mLocale.equals(this.mLocale);
     }
 
-    public KeyboardId cloneWithNewXml(int xmlId) {
-        return new KeyboardId(xmlId, mElementState, mLocale, mOrientation, mWidth, mMode,
-                mInputType, mImeOptions, false, false, false, false);
-    }
-
-    // Remove this method.
-    public int getXmlId() {
-        return mXmlId;
-    }
-
     public boolean isAlphabetKeyboard() {
         return mElementState < ELEMENT_SYMBOLS;
     }

java/src/com/android/inputmethod/keyboard/KeyboardSet.java

@@ -20,11 +20,13 @@ import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.content.res.XmlResourceParser;
+import android.util.Log;
 import android.util.Xml;
 import android.view.inputmethod.EditorInfo;
 
 import com.android.inputmethod.keyboard.internal.XmlParseUtils;
 import com.android.inputmethod.latin.LatinIME;
+import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.LocaleUtils;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SettingsValues;
@@ -35,33 +37,29 @@ import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
 import java.io.IOException;
+import java.lang.ref.SoftReference;
 import java.util.HashMap;
 import java.util.Locale;
 
 /**
- * This class has a set of {@link KeyboardId}s. Each of them represents a different keyboard
+ * This class represents a set of keyboards. Each of them represents a different keyboard
  * specific to a keyboard state, such as alphabet, symbols, and so on.  Layouts in the same
- * {@link KeyboardSet} are related to each other. A {@link KeyboardSet} needs to be created for each
+ * {@link KeyboardSet} are related to each other.
- * {@link android.view.inputmethod.EditorInfo}.
+ * A {@link KeyboardSet} needs to be created for each {@link android.view.inputmethod.EditorInfo}.
  */
 public class KeyboardSet {
-    private static final String TAG_KEYBOARD_SET = "KeyboardSet";
+    private static final String TAG = KeyboardSet.class.getSimpleName();
+    private static final boolean DEBUG_CACHE = LatinImeLogger.sDBG;
+
+    private static final String TAG_KEYBOARD_SET = TAG;
     private static final String TAG_ELEMENT = "Element";
 
-    // TODO: Make these KeyboardId private.
+    private final Context mContext;
-    public final KeyboardId mAlphabetId;
+    private final Params mParams;
-    public final KeyboardId mSymbolsId;
-    public final KeyboardId mSymbolsShiftedId;
-
-    KeyboardSet(Params params) {
-        mAlphabetId = Builder.getKeyboardId(false, false, params);
-        mSymbolsId = Builder.getKeyboardId(true, false, params);
-        mSymbolsShiftedId = Builder.getKeyboardId(true, true, params);
-    }
 
     private static class Params {
         int mMode;
-        int mInputTypes;
+        int mInputType;
         int mImeOptions;
         boolean mSettingsKeyEnabled;
         boolean mVoiceKeyEnabled;
@@ -70,18 +68,94 @@ public class KeyboardSet {
         Locale mLocale;
         int mOrientation;
         int mWidth;
-        final HashMap<Integer, Integer> mElementKeyboards =
+        final HashMap<Integer, Integer> mElementKeyboards = new HashMap<Integer, Integer>();
-                new HashMap<Integer, Integer>();
-
         Params() {}
     }
 
+    private static final HashMap<KeyboardId, SoftReference<LatinKeyboard>> sKeyboardCache =
+            new HashMap<KeyboardId, SoftReference<LatinKeyboard>>();
+
+    public static void clearKeyboardCache() {
+        sKeyboardCache.clear();
+    }
+
+    private KeyboardSet(Context context, Params params) {
+        mContext = context;
+        mParams = params;
+    }
+
+    public LatinKeyboard getMainKeyboard() {
+        return getKeyboard(false, false);
+    }
+
+    public LatinKeyboard getSymbolsKeyboard() {
+        return getKeyboard(true, false);
+    }
+
+    public LatinKeyboard getSymbolsShiftedKeyboard() {
+        final LatinKeyboard keyboard = getKeyboard(true, true);
+        // TODO: Remove this logic once we introduce initial keyboard shift state attribute.
+        // Symbol shift keyboard may have a shift key that has a caps lock style indicator (a.k.a.
+        // sticky shift key). To show or dismiss the indicator, we need to call setShiftLocked()
+        // that takes care of the current keyboard having such shift key or not.
+        keyboard.setShiftLocked(keyboard.hasShiftLockKey());
+        return keyboard;
+    }
+
+    private LatinKeyboard getKeyboard(boolean isSymbols, boolean isShift) {
+        final int elementState = Builder.getElementState(mParams.mMode, isSymbols, isShift);
+        final int xmlId = mParams.mElementKeyboards.get(elementState);
+        final KeyboardId id = Builder.getKeyboardId(elementState, isSymbols, mParams);
+        final LatinKeyboard keyboard = getKeyboard(mContext, xmlId, id);
+        return keyboard;
+    }
+
+    public KeyboardId getMainKeyboardId() {
+        final int elementState = Builder.getElementState(mParams.mMode, false, false);
+        return Builder.getKeyboardId(elementState, false, mParams);
+    }
+
+    private static LatinKeyboard getKeyboard(Context context, int xmlId, KeyboardId id) {
+        final Resources res = context.getResources();
+        final SubtypeSwitcher subtypeSwitcher = SubtypeSwitcher.getInstance();
+        final SoftReference<LatinKeyboard> ref = sKeyboardCache.get(id);
+        LatinKeyboard keyboard = (ref == null) ? null : ref.get();
+        if (keyboard == null) {
+            final Locale savedLocale = LocaleUtils.setSystemLocale(res, id.mLocale);
+            try {
+                final LatinKeyboard.Builder builder = new LatinKeyboard.Builder(context);
+                builder.load(xmlId, id);
+                builder.setTouchPositionCorrectionEnabled(
+                        subtypeSwitcher.currentSubtypeContainsExtraValueKey(
+                                LatinIME.SUBTYPE_EXTRA_VALUE_SUPPORT_TOUCH_POSITION_CORRECTION));
+                keyboard = builder.build();
+            } finally {
+                LocaleUtils.setSystemLocale(res, savedLocale);
+            }
+            sKeyboardCache.put(id, new SoftReference<LatinKeyboard>(keyboard));
+
+            if (DEBUG_CACHE) {
+                Log.d(TAG, "keyboard cache size=" + sKeyboardCache.size() + ": "
+                        + ((ref == null) ? "LOAD" : "GCed") + " id=" + id);
+            }
+        } else if (DEBUG_CACHE) {
+            Log.d(TAG, "keyboard cache size=" + sKeyboardCache.size() + ": HIT  id=" + id);
+        }
+
+        // TODO: Remove setShiftLocked and setShift calls.
+        keyboard.setShiftLocked(false);
+        keyboard.setShifted(false);
+        return keyboard;
+    }
+
     public static class Builder {
+        private final Context mContext;
         private final Resources mResources;
 
         private final Params mParams = new Params();
 
         public Builder(Context context, EditorInfo editorInfo, SettingsValues settingsValues) {
+            mContext = context;
             mResources = context.getResources();
             final SubtypeSwitcher subtypeSwitcher = SubtypeSwitcher.getInstance();
             final String packageName = context.getPackageName();
@@ -89,7 +163,7 @@ public class KeyboardSet {
 
             params.mMode = Utils.getKeyboardMode(editorInfo);
             if (editorInfo != null) {
-                params.mInputTypes = editorInfo.inputType;
+                params.mInputType = editorInfo.inputType;
                 params.mImeOptions = editorInfo.imeOptions;
             }
             params.mSettingsKeyEnabled = settingsValues.isSettingsKeyEnabled();
@@ -121,21 +195,20 @@ public class KeyboardSet {
             } finally {
                 LocaleUtils.setSystemLocale(mResources, savedLocale);
             }
-            return new KeyboardSet(mParams);
+            return new KeyboardSet(mContext, mParams);
         }
 
-        static KeyboardId getKeyboardId(boolean isSymbols, boolean isShift, Params params) {
+        // TODO: Move this method to KeyboardSet
-            final int elementState = getElementState(params.mMode, isSymbols, isShift);
+        static KeyboardId getKeyboardId(int elementState, boolean isSymbols, Params params) {
-            final int xmlId = params.mElementKeyboards.get(elementState);
             final boolean hasShortcutKey = params.mVoiceKeyEnabled
                     && (isSymbols != params.mVoiceKeyOnMain);
-            return new KeyboardId(xmlId, elementState, params.mLocale, params.mOrientation,
+            return new KeyboardId(elementState, params.mLocale, params.mOrientation, params.mWidth,
-                    params.mWidth, params.mMode, params.mInputTypes, params.mImeOptions,
+                    params.mMode, params.mInputType, params.mImeOptions, params.mSettingsKeyEnabled,
-                    params.mSettingsKeyEnabled, params.mNoSettingsKey, params.mVoiceKeyEnabled,
+                    params.mNoSettingsKey, params.mVoiceKeyEnabled, hasShortcutKey);
-                    hasShortcutKey);
         }
 
-        private static int getElementState(int mode, boolean isSymbols, boolean isShift) {
+        // TODO: Move this method to KeyboardSet
+        static int getElementState(int mode, boolean isSymbols, boolean isShift) {
             switch (mode) {
             case KeyboardId.MODE_PHONE:
                 return (isSymbols && isShift)

java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java

@@ -31,21 +31,15 @@ import com.android.inputmethod.keyboard.internal.KeyboardState;
 import com.android.inputmethod.latin.InputView;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.LatinImeLogger;
-import com.android.inputmethod.latin.LocaleUtils;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.Settings;
 import com.android.inputmethod.latin.SettingsValues;
 import com.android.inputmethod.latin.SubtypeSwitcher;
 import com.android.inputmethod.latin.Utils;
 
-import java.lang.ref.SoftReference;
-import java.util.HashMap;
-import java.util.Locale;
-
 public class KeyboardSwitcher implements KeyboardState.SwitchActions,
         SharedPreferences.OnSharedPreferenceChangeListener {
     private static final String TAG = KeyboardSwitcher.class.getSimpleName();
-    private static final boolean DEBUG_CACHE = LatinImeLogger.sDBG;
 
     public static final String PREF_KEYBOARD_LAYOUT = "pref_keyboard_layout_20110916";
     private static final int[] KEYBOARD_THEMES = {
@@ -69,9 +63,6 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
 
     private KeyboardSet mKeyboardSet;
 
-    private final HashMap<KeyboardId, SoftReference<LatinKeyboard>> mKeyboardCache =
-            new HashMap<KeyboardId, SoftReference<LatinKeyboard>>();
-
     /** mIsAutoCorrectionActive indicates that auto corrected word will be input instead of
      * what user actually typed. */
     private boolean mIsAutoCorrectionActive;
@@ -121,26 +112,28 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
         if (mThemeIndex != themeIndex) {
             mThemeIndex = themeIndex;
             mThemeContext = new ContextThemeWrapper(context, KEYBOARD_THEMES[themeIndex]);
-            mKeyboardCache.clear();
+            KeyboardSet.clearKeyboardCache();
         }
     }
 
     public void loadKeyboard(EditorInfo editorInfo, SettingsValues settingsValues) {
-        try {
+        mKeyboardSet = new KeyboardSet.Builder(mThemeContext, editorInfo, settingsValues)
-            mKeyboardSet = new KeyboardSet.Builder(mInputMethodService, editorInfo, settingsValues)
                 .build();
+        final KeyboardId mainKeyboardId = mKeyboardSet.getMainKeyboardId();
+        try {
             mState.onLoadKeyboard(mResources.getString(R.string.layout_switch_back_symbols),
                     hasDistinctMultitouch());
+        } catch (RuntimeException e) {
+            Log.w(TAG, "loading keyboard failed: " + mainKeyboardId, e);
+            LatinImeLogger.logOnException(mainKeyboardId.toString(), e);
+            return;
+        }
         // TODO: Should get rid of this special case handling for Phone Number layouts once we
         // have separate layouts with unique KeyboardIds for alphabet and alphabet-shifted
         // respectively.
-            if (mKeyboardSet.mAlphabetId.isPhoneKeyboard()) {
+        if (mainKeyboardId.isPhoneKeyboard()) {
             mState.onToggleAlphabetAndSymbols();
         }
-        } catch (RuntimeException e) {
-            Log.w(TAG, "loading keyboard failed: " + mKeyboardSet.mAlphabetId, e);
-            LatinImeLogger.logOnException(mKeyboardSet.mAlphabetId.toString(), e);
-        }
     }
 
     public void saveKeyboardState() {
@@ -181,39 +174,6 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
         mInputMethodService.mHandler.startDisplayLanguageOnSpacebar(localeChanged);
     }
 
-    // TODO: Move this method to KeyboardSet.
-    private LatinKeyboard getKeyboard(Context context, KeyboardId id) {
-        final SoftReference<LatinKeyboard> ref = mKeyboardCache.get(id);
-        LatinKeyboard keyboard = (ref == null) ? null : ref.get();
-        if (keyboard == null) {
-            final Locale savedLocale = LocaleUtils.setSystemLocale(mResources, id.mLocale);
-            try {
-                final LatinKeyboard.Builder builder = new LatinKeyboard.Builder(context);
-                builder.load(id);
-                builder.setTouchPositionCorrectionEnabled(
-                        mSubtypeSwitcher.currentSubtypeContainsExtraValueKey(
-                                LatinIME.SUBTYPE_EXTRA_VALUE_SUPPORT_TOUCH_POSITION_CORRECTION));
-                keyboard = builder.build();
-            } finally {
-                LocaleUtils.setSystemLocale(mResources, savedLocale);
-            }
-            mKeyboardCache.put(id, new SoftReference<LatinKeyboard>(keyboard));
-
-            if (DEBUG_CACHE) {
-                Log.d(TAG, "keyboard cache size=" + mKeyboardCache.size() + ": "
-                        + ((ref == null) ? "LOAD" : "GCed") + " id=" + id
-                        + " theme=" + themeName(keyboard.mThemeId));
-            }
-        } else if (DEBUG_CACHE) {
-            Log.d(TAG, "keyboard cache size=" + mKeyboardCache.size() + ": HIT  id=" + id
-                    + " theme=" + themeName(keyboard.mThemeId));
-        }
-
-        keyboard.setShiftLocked(false);
-        keyboard.setShifted(false);
-        return keyboard;
-    }
-
     public boolean isAlphabetMode() {
         final Keyboard keyboard = getLatinKeyboard();
         return keyboard != null && keyboard.mId.isAlphabetKeyboard();
@@ -343,25 +303,19 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
     // Implements {@link KeyboardState.SwitchActions}.
     @Override
     public void setSymbolsKeyboard() {
-        setKeyboard(getKeyboard(mThemeContext, mKeyboardSet.mSymbolsId));
+        setKeyboard(mKeyboardSet.getMainKeyboard());
     }
 
     // Implements {@link KeyboardState.SwitchActions}.
     @Override
     public void setAlphabetKeyboard() {
-        setKeyboard(getKeyboard(mThemeContext, mKeyboardSet.mAlphabetId));
+        setKeyboard(mKeyboardSet.getSymbolsKeyboard());
     }
 
     // Implements {@link KeyboardState.SwitchActions}.
     @Override
     public void setSymbolsShiftedKeyboard() {
-        final Keyboard keyboard = getKeyboard(mThemeContext, mKeyboardSet.mSymbolsShiftedId);
+        setKeyboard(mKeyboardSet.getSymbolsShiftedKeyboard());
-        setKeyboard(keyboard);
-        // TODO: Remove this logic once we introduce initial keyboard shift state attribute.
-        // Symbol shift keyboard may have a shift key that has a caps lock style indicator (a.k.a.
-        // sticky shift key). To show or dismiss the indicator, we need to call setShiftLocked()
-        // that takes care of the current keyboard having such shift key or not.
-        keyboard.setShiftLocked(keyboard.hasShiftLockKey());
     }
 
     public boolean isInMomentarySwitchState() {

java/src/com/android/inputmethod/keyboard/LatinKeyboard.java

@@ -109,6 +109,8 @@ public class LatinKeyboard extends Keyboard {
         public Key mSpaceKey = null;
         public Key mShortcutKey = null;
 
+        LatinKeyboardParams() {}
+
         @Override
         public void onAddKey(Key key) {
             super.onAddKey(key);
@@ -130,8 +132,8 @@ public class LatinKeyboard extends Keyboard {
         }
 
         @Override
-        public Builder load(KeyboardId id) {
+        public Builder load(int xmlId, KeyboardId id) {
-            super.load(id);
+            super.load(xmlId, id);
             return this;
         }
 

java/src/com/android/inputmethod/keyboard/MiniKeyboard.java

@@ -207,7 +207,7 @@ public class MiniKeyboard extends Keyboard {
 
         public Builder(KeyboardView view, int xmlId, Key parentKey, Keyboard parentKeyboard) {
             super(view.getContext(), new MiniKeyboardParams());
-            load(parentKeyboard.mId.cloneWithNewXml(xmlId));
+            load(xmlId, parentKeyboard.mId);
 
             // TODO: Mini keyboard's vertical gap is currently calculated heuristically.
             // Should revise the algorithm.

java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java

@@ -267,9 +267,9 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
         params.mTouchPositionCorrection.load(data);
     }
 
-    public KeyboardBuilder<KP> load(KeyboardId id) {
+    public KeyboardBuilder<KP> load(int xmlId, KeyboardId id) {
         mParams.mId = id;
-        final XmlResourceParser parser = mResources.getXml(id.getXmlId());
+        final XmlResourceParser parser = mResources.getXml(xmlId);
         try {
             parseKeyboard(parser);
         } catch (XmlPullParserException e) {

java/src/com/android/inputmethod/latin/suggestions/MoreSuggestions.java

@@ -181,7 +181,7 @@ public class MoreSuggestions extends Keyboard {
                 int minWidth, int maxRow) {
             final Keyboard keyboard = KeyboardSwitcher.getInstance().getLatinKeyboard();
             final int xmlId = R.xml.kbd_suggestions_pane_template;
-            load(keyboard.mId.cloneWithNewXml(xmlId));
+            load(xmlId, keyboard.mId);
             mParams.mVerticalGap = mParams.mTopPadding = keyboard.mVerticalGap / 2;
 
             final int count = mParams.layout(suggestions, fromPos, maxWidth, minWidth, maxRow,

tests/src/com/android/inputmethod/latin/SuggestHelper.java

@@ -32,11 +32,13 @@ public class SuggestHelper {
     protected final LatinKeyboard mKeyboard;
     private final KeyDetector mKeyDetector;
 
+    public static final int ALPHABET_KEYBOARD = com.android.inputmethod.latin.R.xml.kbd_qwerty;
+
     public SuggestHelper(Context context, int dictionaryId, KeyboardId keyboardId) {
         // Use null as the locale for Suggest so as to force it to use the internal dictionary
         // (and not try to find a dictionary provider for a specified locale)
         mSuggest = new Suggest(context, dictionaryId, null);
-        mKeyboard = new LatinKeyboard.Builder(context).load(keyboardId).build();
+        mKeyboard = new LatinKeyboard.Builder(context).load(ALPHABET_KEYBOARD, keyboardId).build();
         mKeyDetector = new KeyDetector(0);
         init();
     }
@@ -45,7 +47,7 @@ public class SuggestHelper {
             final long startOffset, final long length, final KeyboardId keyboardId,
             final Locale locale) {
         mSuggest = new Suggest(context, dictionaryPath, startOffset, length, null, locale);
-        mKeyboard = new LatinKeyboard.Builder(context).load(keyboardId).build();
+        mKeyboard = new LatinKeyboard.Builder(context).load(ALPHABET_KEYBOARD, keyboardId).build();
         mKeyDetector = new KeyDetector(0);
         init();
     }

tests/src/com/android/inputmethod/latin/SuggestTestsBase.java

@@ -50,9 +50,8 @@ public class SuggestTestsBase extends AndroidTestCase {
                     + "orientation=" + orientation);
             return null;
         }
-        return new KeyboardId(com.android.inputmethod.latin.R.xml.kbd_qwerty,
+        return new KeyboardId(KeyboardId.ELEMENT_ALPHABET, locale, orientation, width,
-                KeyboardId.ELEMENT_ALPHABET, locale, orientation, width, KeyboardId.MODE_TEXT,
+                KeyboardId.MODE_TEXT, InputType.TYPE_CLASS_TEXT, 0, false, false, false, false);
-                InputType.TYPE_CLASS_TEXT, 0, false, false, false, false);
     }
 
     protected InputStream openTestRawResource(int resIdInTest) {