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-rw-r--r--java/src/com/android/inputmethod/latin/ResourceUtils.java292
1 files changed, 0 insertions, 292 deletions
diff --git a/java/src/com/android/inputmethod/latin/ResourceUtils.java b/java/src/com/android/inputmethod/latin/ResourceUtils.java
deleted file mode 100644
index 0eb8b4f09..000000000
--- a/java/src/com/android/inputmethod/latin/ResourceUtils.java
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * 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.latin;
-
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.os.Build;
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.TypedValue;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.regex.PatternSyntaxException;
-
-public final class ResourceUtils {
- private static final String TAG = ResourceUtils.class.getSimpleName();
-
- public static final float UNDEFINED_RATIO = -1.0f;
- public static final int UNDEFINED_DIMENSION = -1;
-
- private ResourceUtils() {
- // This utility class is not publicly instantiable.
- }
-
- private static final HashMap<String, String> sDeviceOverrideValueMap =
- CollectionUtils.newHashMap();
-
- private static final String[] BUILD_KEYS_AND_VALUES = {
- "HARDWARE", Build.HARDWARE,
- "MODEL", Build.MODEL,
- "BRAND", Build.BRAND,
- "MANUFACTURER", Build.MANUFACTURER
- };
- private static final HashMap<String, String> sBuildKeyValues;
- private static final String sBuildKeyValuesDebugString;
-
- static {
- sBuildKeyValues = CollectionUtils.newHashMap();
- final ArrayList<String> keyValuePairs = CollectionUtils.newArrayList();
- final int keyCount = BUILD_KEYS_AND_VALUES.length / 2;
- for (int i = 0; i < keyCount; i++) {
- final int index = i * 2;
- final String key = BUILD_KEYS_AND_VALUES[index];
- final String value = BUILD_KEYS_AND_VALUES[index + 1];
- sBuildKeyValues.put(key, value);
- keyValuePairs.add(key + '=' + value);
- }
- sBuildKeyValuesDebugString = "[" + TextUtils.join(" ", keyValuePairs) + "]";
- }
-
- public static String getDeviceOverrideValue(final Resources res, final int overrideResId) {
- final int orientation = res.getConfiguration().orientation;
- final String key = overrideResId + "-" + orientation;
- if (sDeviceOverrideValueMap.containsKey(key)) {
- return sDeviceOverrideValueMap.get(key);
- }
-
- final String[] overrideArray = res.getStringArray(overrideResId);
- final String overrideValue = findConstantForKeyValuePairs(sBuildKeyValues, overrideArray);
- // The overrideValue might be an empty string.
- if (overrideValue != null) {
- Log.i(TAG, "Find override value:"
- + " resource="+ res.getResourceEntryName(overrideResId)
- + " build=" + sBuildKeyValuesDebugString
- + " override=" + overrideValue);
- sDeviceOverrideValueMap.put(key, overrideValue);
- return overrideValue;
- }
-
- String defaultValue = null;
- try {
- defaultValue = findDefaultConstant(overrideArray);
- // The defaultValue might be an empty string.
- if (defaultValue == null) {
- Log.w(TAG, "Couldn't find override value nor default value:"
- + " resource="+ res.getResourceEntryName(overrideResId)
- + " build=" + sBuildKeyValuesDebugString);
- } else {
- Log.i(TAG, "Found default value:"
- + " resource="+ res.getResourceEntryName(overrideResId)
- + " build=" + sBuildKeyValuesDebugString
- + " default=" + defaultValue);
- }
- } catch (final DeviceOverridePatternSyntaxError e) {
- Log.w(TAG, "Syntax error, ignored", e);
- }
- sDeviceOverrideValueMap.put(key, defaultValue);
- return defaultValue;
- }
-
- @SuppressWarnings("serial")
- static class DeviceOverridePatternSyntaxError extends Exception {
- public DeviceOverridePatternSyntaxError(final String message, final String expression) {
- this(message, expression, null);
- }
-
- public DeviceOverridePatternSyntaxError(final String message, final String expression,
- final Throwable throwable) {
- super(message + ": " + expression, throwable);
- }
- }
-
- /**
- * Find the condition that fulfills specified key value pairs from an array of
- * "condition,constant", and return the corresponding string constant. A condition is
- * "pattern1[:pattern2...] (or an empty string for the default). A pattern is
- * "key=regexp_value" string. The condition matches only if all patterns of the condition
- * are true for the specified key value pairs.
- *
- * For example, "condition,constant" has the following format.
- * (See {@link ResourceUtilsTests#testFindConstantForKeyValuePairsRegexp()})
- * - HARDWARE=mako,constantForNexus4
- * - MODEL=Nexus 4:MANUFACTURER=LGE,constantForNexus4
- * - ,defaultConstant
- *
- * @param keyValuePairs attributes to be used to look for a matched condition.
- * @param conditionConstantArray an array of "condition,constant" elements to be searched.
- * @return the constant part of the matched "condition,constant" element. Returns null if no
- * condition matches.
- */
- @UsedForTesting
- static String findConstantForKeyValuePairs(final HashMap<String, String> keyValuePairs,
- final String[] conditionConstantArray) {
- if (conditionConstantArray == null || keyValuePairs == null) {
- return null;
- }
- String foundValue = null;
- for (final String conditionConstant : conditionConstantArray) {
- final int posComma = conditionConstant.indexOf(',');
- if (posComma < 0) {
- Log.w(TAG, "Array element has no comma: " + conditionConstant);
- continue;
- }
- final String condition = conditionConstant.substring(0, posComma);
- if (condition.isEmpty()) {
- // Default condition. The default condition should be searched by
- // {@link #findConstantForDefault(String[])}.
- continue;
- }
- try {
- if (fulfillsCondition(keyValuePairs, condition)) {
- // Take first match
- if (foundValue == null) {
- foundValue = conditionConstant.substring(posComma + 1);
- }
- // And continue walking through all conditions.
- }
- } catch (final DeviceOverridePatternSyntaxError e) {
- Log.w(TAG, "Syntax error, ignored", e);
- }
- }
- return foundValue;
- }
-
- private static boolean fulfillsCondition(final HashMap<String,String> keyValuePairs,
- final String condition) throws DeviceOverridePatternSyntaxError {
- final String[] patterns = condition.split(":");
- // Check all patterns in a condition are true
- boolean matchedAll = true;
- for (final String pattern : patterns) {
- final int posEqual = pattern.indexOf('=');
- if (posEqual < 0) {
- throw new DeviceOverridePatternSyntaxError("Pattern has no '='", condition);
- }
- final String key = pattern.substring(0, posEqual);
- final String value = keyValuePairs.get(key);
- if (value == null) {
- throw new DeviceOverridePatternSyntaxError("Unknown key", condition);
- }
- final String patternRegexpValue = pattern.substring(posEqual + 1);
- try {
- if (!value.matches(patternRegexpValue)) {
- matchedAll = false;
- // And continue walking through all patterns.
- }
- } catch (final PatternSyntaxException e) {
- throw new DeviceOverridePatternSyntaxError("Syntax error", condition, e);
- }
- }
- return matchedAll;
- }
-
- @UsedForTesting
- static String findDefaultConstant(final String[] conditionConstantArray)
- throws DeviceOverridePatternSyntaxError {
- if (conditionConstantArray == null) {
- return null;
- }
- for (final String condition : conditionConstantArray) {
- final int posComma = condition.indexOf(',');
- if (posComma < 0) {
- throw new DeviceOverridePatternSyntaxError("Array element has no comma", condition);
- }
- if (posComma == 0) { // condition is empty.
- return condition.substring(posComma + 1);
- }
- }
- return null;
- }
-
- public static boolean isValidFraction(final float fraction) {
- return fraction >= 0.0f;
- }
-
- // {@link Resources#getDimensionPixelSize(int)} returns at least one pixel size.
- public static boolean isValidDimensionPixelSize(final int dimension) {
- return dimension > 0;
- }
-
- // {@link Resources#getDimensionPixelOffset(int)} may return zero pixel offset.
- public static boolean isValidDimensionPixelOffset(final int dimension) {
- return dimension >= 0;
- }
-
- public static float getFraction(final TypedArray a, final int index, final float defValue) {
- final TypedValue value = a.peekValue(index);
- if (value == null || !isFractionValue(value)) {
- return defValue;
- }
- return a.getFraction(index, 1, 1, defValue);
- }
-
- public static float getFraction(final TypedArray a, final int index) {
- return getFraction(a, index, UNDEFINED_RATIO);
- }
-
- public static int getDimensionPixelSize(final TypedArray a, final int index) {
- final TypedValue value = a.peekValue(index);
- if (value == null || !isDimensionValue(value)) {
- return ResourceUtils.UNDEFINED_DIMENSION;
- }
- return a.getDimensionPixelSize(index, ResourceUtils.UNDEFINED_DIMENSION);
- }
-
- public static float getDimensionOrFraction(final TypedArray a, final int index, final int base,
- final float defValue) {
- final TypedValue value = a.peekValue(index);
- if (value == null) {
- return defValue;
- }
- if (isFractionValue(value)) {
- return a.getFraction(index, base, base, defValue);
- } else if (isDimensionValue(value)) {
- return a.getDimension(index, defValue);
- }
- return defValue;
- }
-
- public static int getEnumValue(final TypedArray a, final int index, final int defValue) {
- final TypedValue value = a.peekValue(index);
- if (value == null) {
- return defValue;
- }
- if (isIntegerValue(value)) {
- return a.getInt(index, defValue);
- }
- return defValue;
- }
-
- public static boolean isFractionValue(final TypedValue v) {
- return v.type == TypedValue.TYPE_FRACTION;
- }
-
- public static boolean isDimensionValue(final TypedValue v) {
- return v.type == TypedValue.TYPE_DIMENSION;
- }
-
- public static boolean isIntegerValue(final TypedValue v) {
- return v.type >= TypedValue.TYPE_FIRST_INT && v.type <= TypedValue.TYPE_LAST_INT;
- }
-
- public static boolean isStringValue(final TypedValue v) {
- return v.type == TypedValue.TYPE_STRING;
- }
-}
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