Support per-Key and per-Keyboard key visual attributes

This change refactors KeyDrawParams and KeyPreviewDrawParams to
separate KeyVisualAttributes.

Change-Id: I4de549eef303e1debe4b8f84668e042445fc18da

1 files changed, 130 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyVisualAttributes.java b/java/src/com/android/inputmethod/keyboard/internal/KeyVisualAttributes.java
new file mode 100644
index 000000000..04cc152fe
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyVisualAttributes.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2012 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 com.android.inputmethod.keyboard.internal;
+
+import android.content.res.TypedArray;
+import android.graphics.Typeface;
+import android.util.SparseIntArray;
+
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.ResourceUtils;
+
+public class KeyVisualAttributes {
+    public final Typeface mTypeface;
+
+    public final float mLetterRatio;
+    public final int mLetterSize;
+    public final float mLabelRatio;
+    public final int mLabelSize;
+    public final float mLargeLetterRatio;
+    public final float mLargeLabelRatio;
+    public final float mHintLetterRatio;
+    public final float mShiftedLetterHintRatio;
+    public final float mHintLabelRatio;
+    public final float mPreviewTextRatio;
+
+    public final int mTextColor;
+    public final int mTextInactivatedColor;
+    public final int mTextShadowColor;
+    public final int mHintLetterColor;
+    public final int mHintLabelColor;
+    public final int mShiftedLetterHintInactivatedColor;
+    public final int mShiftedLetterHintActivatedColor;
+    public final int mPreviewTextColor;
+
+    private static final int[] VISUAL_ATTRIBUTE_IDS = {
+        R.styleable.Keyboard_Key_keyTypeface,
+        R.styleable.Keyboard_Key_keyLetterSize,
+        R.styleable.Keyboard_Key_keyLabelSize,
+        R.styleable.Keyboard_Key_keyLargeLetterRatio,
+        R.styleable.Keyboard_Key_keyLargeLabelRatio,
+        R.styleable.Keyboard_Key_keyHintLetterRatio,
+        R.styleable.Keyboard_Key_keyShiftedLetterHintRatio,
+        R.styleable.Keyboard_Key_keyHintLabelRatio,
+        R.styleable.Keyboard_Key_keyPreviewTextRatio,
+        R.styleable.Keyboard_Key_keyTextColor,
+        R.styleable.Keyboard_Key_keyTextInactivatedColor,
+        R.styleable.Keyboard_Key_keyTextShadowColor,
+        R.styleable.Keyboard_Key_keyHintLetterColor,
+        R.styleable.Keyboard_Key_keyHintLabelColor,
+        R.styleable.Keyboard_Key_keyShiftedLetterHintInactivatedColor,
+        R.styleable.Keyboard_Key_keyShiftedLetterHintActivatedColor,
+        R.styleable.Keyboard_Key_keyPreviewTextColor,
+    };
+    private static final SparseIntArray sVisualAttributeIds = new SparseIntArray();
+    private static final int ATTR_DEFINED = 1;
+    private static final int ATTR_NOT_FOUND = 0;
+    static {
+        for (final int attrId : VISUAL_ATTRIBUTE_IDS) {
+            sVisualAttributeIds.put(attrId, ATTR_DEFINED);
+        }
+    }
+
+    public static KeyVisualAttributes newInstance(final TypedArray keyAttr) {
+        final int indexCount = keyAttr.getIndexCount();
+        for (int i = 0; i < indexCount; i++) {
+            final int attrId = keyAttr.getIndex(i);
+            if (sVisualAttributeIds.get(attrId, ATTR_NOT_FOUND) == ATTR_NOT_FOUND) {
+                continue;
+            }
+            return new KeyVisualAttributes(keyAttr);
+        }
+        return null;
+    }
+
+    private KeyVisualAttributes(final TypedArray keyAttr) {
+        if (keyAttr.hasValue(R.styleable.Keyboard_Key_keyTypeface)) {
+            mTypeface = Typeface.defaultFromStyle(
+                    keyAttr.getInt(R.styleable.Keyboard_Key_keyTypeface, Typeface.NORMAL));
+        } else {
+            mTypeface = null;
+        }
+
+        mLetterRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyLetterSize);
+        mLetterSize = ResourceUtils.getDimensionPixelSize(keyAttr,
+                R.styleable.Keyboard_Key_keyLetterSize);
+        mLabelRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyLabelSize);
+        mLabelSize = ResourceUtils.getDimensionPixelSize(keyAttr,
+                R.styleable.Keyboard_Key_keyLabelSize);
+        mLargeLetterRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyLargeLetterRatio);
+        mLargeLabelRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyLargeLabelRatio);
+        mHintLetterRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyHintLetterRatio);
+        mShiftedLetterHintRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyShiftedLetterHintRatio);
+        mHintLabelRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyHintLabelRatio);
+        mPreviewTextRatio = ResourceUtils.getFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyPreviewTextRatio);
+
+        mTextColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyTextColor, 0);
+        mTextInactivatedColor = keyAttr.getColor(
+                R.styleable.Keyboard_Key_keyTextInactivatedColor, 0);
+        mTextShadowColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyTextShadowColor, 0);
+        mHintLetterColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyHintLetterColor, 0);
+        mHintLabelColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyHintLabelColor, 0);
+        mShiftedLetterHintInactivatedColor = keyAttr.getColor(
+                R.styleable.Keyboard_Key_keyShiftedLetterHintInactivatedColor, 0);
+        mShiftedLetterHintActivatedColor = keyAttr.getColor(
+                R.styleable.Keyboard_Key_keyShiftedLetterHintActivatedColor, 0);
+        mPreviewTextColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyPreviewTextColor, 0);
+    }
+}