1 files changed, 90 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKey.java b/java/src/com/android/inputmethod/keyboard/LatinKey.java
new file mode 100644
index 000000000..4eaf4c8f6
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/LatinKey.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.keyboard;
+
+import android.content.res.Resources;
+import android.content.res.XmlResourceParser;
+
+public class LatinKey extends Key {
+
+    // functional normal state (with properties)
+    private final int[] KEY_STATE_FUNCTIONAL_NORMAL = {
+            android.R.attr.state_single
+    };
+
+    // functional pressed state (with properties)
+    private final int[] KEY_STATE_FUNCTIONAL_PRESSED = {
+            android.R.attr.state_single,
+            android.R.attr.state_pressed
+    };
+
+    private boolean mShiftLockEnabled;
+
+    public LatinKey(Resources res, Row parent, int x, int y,
+            XmlResourceParser parser, KeyStyles keyStyles) {
+        super(res, parent, x, y, parser, keyStyles);
+        if (popupCharacters != null && popupCharacters.length() == 0) {
+            // If there is a keyboard with no keys specified in popupCharacters
+            popupResId = 0;
+        }
+    }
+
+    void enableShiftLock() {
+        mShiftLockEnabled = true;
+    }
+
+    // sticky is used for shift key.  If a key is not sticky and is modifier,
+    // the key will be treated as functional.
+    private boolean isFunctionalKey() {
+        return !sticky && modifier;
+    }
+
+    @Override
+    public void onReleased(boolean inside) {
+        if (!mShiftLockEnabled) {
+            super.onReleased(inside);
+        } else {
+            pressed = !pressed;
+        }
+    }
+
+    /**
+     * Overriding this method so that we can reduce the target area for certain keys.
+     */
+    @Override
+    public boolean isInside(int x, int y) {
+        boolean result = (keyboard instanceof LatinKeyboard)
+                && ((LatinKeyboard)keyboard).isInside(this, x, y);
+        return result;
+    }
+
+    boolean isInsideSuper(int x, int y) {
+        return super.isInside(x, y);
+    }
+
+    @Override
+    public int[] getCurrentDrawableState() {
+        if (isFunctionalKey()) {
+            if (pressed) {
+                return KEY_STATE_FUNCTIONAL_PRESSED;
+            } else {
+                return KEY_STATE_FUNCTIONAL_NORMAL;
+            }
+        }
+        return super.getCurrentDrawableState();
+    }
+}