Add ALL CAPS style to TextView/TextAppearance

Switch out ugly hack in action menu items for the new style.

Change-Id: I68a0ed62a352b14d499e6478b82bbc12dcb5a030

2 files changed, 92 insertions, 0 deletions

diff --git a/core/java/android/text/method/AllCapsTransformationMethod.java b/core/java/android/text/method/AllCapsTransformationMethod.java
new file mode 100644
index 0000000..f9920dd
--- /dev/null
+++ b/core/java/android/text/method/AllCapsTransformationMethod.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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 android.text.method;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.Log;
+import android.view.View;
+
+import java.util.Locale;
+
+/**
+ * Transforms source text into an ALL CAPS string, locale-aware.
+ *
+ * @hide
+ */
+public class AllCapsTransformationMethod implements TransformationMethod2 {
+    private static final String TAG = "AllCapsTransformationMethod";
+
+    private boolean mEnabled;
+    private Locale mLocale;
+
+    public AllCapsTransformationMethod(Context context) {
+        mLocale = context.getResources().getConfiguration().locale;
+    }
+
+    @Override
+    public CharSequence getTransformation(CharSequence source, View view) {
+        if (mEnabled) {
+            return source != null ? source.toString().toUpperCase(mLocale) : null;
+        }
+        Log.w(TAG, "Caller did not enable length changes; not transforming text");
+        return source;
+    }
+
+    @Override
+    public void onFocusChanged(View view, CharSequence sourceText, boolean focused, int direction,
+            Rect previouslyFocusedRect) {
+    }
+
+    @Override
+    public void setLengthChangesAllowed(boolean allowLengthChanges) {
+        mEnabled = allowLengthChanges;
+    }
+
+}
diff --git a/core/java/android/text/method/TransformationMethod2.java b/core/java/android/text/method/TransformationMethod2.java
new file mode 100644
index 0000000..ef00ecd
--- /dev/null
+++ b/core/java/android/text/method/TransformationMethod2.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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 android.text.method;
+
+/**
+ * TransformationMethod2 extends the TransformationMethod interface
+ * and adds the ability to relax restrictions of TransformationMethod.
+ *
+ * @hide
+ */
+public interface TransformationMethod2 extends TransformationMethod {
+    /**
+     * Relax the contract of TransformationMethod to allow length changes,
+     * or revert to the length-restricted behavior.
+     *
+     * @param allowLengthChanges true to allow the transformation to change the length
+     *                           of the input string.
+     */
+    public void setLengthChangesAllowed(boolean allowLengthChanges);
+}