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am fa39ffcf: Support more methods in the wrapper of CursorAnchorInfo 

* commit 'fa39ffcf8461ad6e53a86d8957ab892a3e367d16':
  Support more methods in the wrapper of CursorAnchorInfo
main
Yohei Yukawa 2014-08-20 04:51:21 +00:00 committed by Android Git Automerger
parent db818ecd84 fa39ffcf84
commit 17aeaa7578
2 changed files with 156 additions and 43 deletions
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88
java/src/com/android/inputmethod/compat/CompatUtils.java
View File

@ -127,4 +127,92 @@ public final class CompatUtils {
Log.e(TAG, "Exception in setFieldValue", e);
}
}
public static ClassWrapper getClassWrapper(final String className) {
return new ClassWrapper(getClass(className));
}
public static final class ClassWrapper {
private final Class<?> mClass;
public ClassWrapper(final Class<?> targetClass) {
mClass = targetClass;
}
public boolean exists() {
return mClass != null;
}
public <T> ToObjectMethodWrapper<T> getMethod(final String name,
final T defaultValue, final Class<?>... parameterTypes) {
return new ToObjectMethodWrapper<T>(CompatUtils.getMethod(mClass, name, parameterTypes),
defaultValue);
}
public ToIntMethodWrapper getPrimitiveMethod(final String name, final int defaultValue,
final Class<?>... parameterTypes) {
return new ToIntMethodWrapper(CompatUtils.getMethod(mClass, name, parameterTypes),
defaultValue);
}
public ToFloatMethodWrapper getPrimitiveMethod(final String name, final float defaultValue,
final Class<?>... parameterTypes) {
return new ToFloatMethodWrapper(CompatUtils.getMethod(mClass, name, parameterTypes),
defaultValue);
}
public ToBooleanMethodWrapper getPrimitiveMethod(final String name,
final boolean defaultValue, final Class<?>... parameterTypes) {
return new ToBooleanMethodWrapper(CompatUtils.getMethod(mClass, name, parameterTypes),
defaultValue);
}
}
public static final class ToObjectMethodWrapper<T> {
private final Method mMethod;
private final T mDefaultValue;
public ToObjectMethodWrapper(final Method method, final T defaultValue) {
mMethod = method;
mDefaultValue = defaultValue;
}
@SuppressWarnings("unchecked")
public T invoke(final Object receiver, final Object... args) {
return (T) CompatUtils.invoke(receiver, mDefaultValue, mMethod, args);
}
}
public static final class ToIntMethodWrapper {
private final Method mMethod;
private final int mDefaultValue;
public ToIntMethodWrapper(final Method method, final int defaultValue) {
mMethod = method;
mDefaultValue = defaultValue;
}
public int invoke(final Object receiver, final Object... args) {
return (int) CompatUtils.invoke(receiver, mDefaultValue, mMethod, args);
}
}
public static final class ToFloatMethodWrapper {
private final Method mMethod;
private final float mDefaultValue;
public ToFloatMethodWrapper(final Method method, final float defaultValue) {
mMethod = method;
mDefaultValue = defaultValue;
}
public float invoke(final Object receiver, final Object... args) {
return (float) CompatUtils.invoke(receiver, mDefaultValue, mMethod, args);
}
}
public static final class ToBooleanMethodWrapper {
private final Method mMethod;
private final boolean mDefaultValue;
public ToBooleanMethodWrapper(final Method method, final boolean defaultValue) {
mMethod = method;
mDefaultValue = defaultValue;
}
public boolean invoke(final Object receiver, final Object... args) {
return (boolean) CompatUtils.invoke(receiver, mDefaultValue, mMethod, args);
}
}
}

111
java/src/com/android/inputmethod/compat/CursorAnchorInfoCompatWrapper.java
View File

@ -21,39 +21,8 @@ import android.graphics.RectF;
import com.android.inputmethod.annotations.UsedForTesting;
import java.lang.reflect.Method;
@UsedForTesting
public final class CursorAnchorInfoCompatWrapper {
// Note that CursorAnchorInfo has been introduced in API level XX (Build.VERSION_CODE.LXX).
private static Class<?> getCursorAnchorInfoClass() {
try {
return Class.forName("android.view.inputmethod.CursorAnchorInfo");
} catch (ClassNotFoundException e) {
return null;
}
}
private static final Class<?> CLASS;
private static final Method METHOD_GET_CHARACTER_RECT;
private static final Method METHOD_GET_CHARACTER_RECT_FLAGS;
private static final Method METHOD_GET_COMPOSING_TEXT;
private static final Method METHOD_GET_COMPOSING_TEXT_START;
private static final Method METHOD_GET_MATRIX;
static {
CLASS = getCursorAnchorInfoClass();
METHOD_GET_CHARACTER_RECT = CompatUtils.getMethod(CLASS, "getCharacterRect", int.class);
METHOD_GET_CHARACTER_RECT_FLAGS = CompatUtils.getMethod(CLASS, "getCharacterRectFlags",
int.class);
METHOD_GET_COMPOSING_TEXT = CompatUtils.getMethod(CLASS, "getComposingText");
METHOD_GET_COMPOSING_TEXT_START = CompatUtils.getMethod(CLASS, "getComposingTextStart");
METHOD_GET_MATRIX = CompatUtils.getMethod(CLASS, "getMatrix");
}
@UsedForTesting
public static boolean isAvailable() {
return CLASS != null;
}
public static final int CHARACTER_RECT_TYPE_MASK = 0x0f;
/**
@ -83,6 +52,49 @@ public final class CursorAnchorInfoCompatWrapper {
*/
public static final int CHARACTER_RECT_TYPE_NOT_FEASIBLE = 4;
// Note that CursorAnchorInfo has been introduced in API level XX (Build.VERSION_CODE.LXX).
private static final CompatUtils.ClassWrapper sCursorAnchorInfoClass;
private static final CompatUtils.ToObjectMethodWrapper<RectF> sGetCharacterRectMethod;
private static final CompatUtils.ToIntMethodWrapper sGetCharacterRectFlagsMethod;
private static final CompatUtils.ToObjectMethodWrapper<CharSequence> sGetComposingTextMethod;
private static final CompatUtils.ToIntMethodWrapper sGetComposingTextStartMethod;
private static final CompatUtils.ToFloatMethodWrapper sGetInsertionMarkerBaselineMethod;
private static final CompatUtils.ToFloatMethodWrapper sGetInsertionMarkerBottomMethod;
private static final CompatUtils.ToFloatMethodWrapper sGetInsertionMarkerHorizontalMethod;
private static final CompatUtils.ToFloatMethodWrapper sGetInsertionMarkerTopMethod;
private static final CompatUtils.ToObjectMethodWrapper<Matrix> sGetMatrixMethod;
private static final CompatUtils.ToBooleanMethodWrapper sIsInsertionMarkerClippedMethod;
private static int COMPOSING_TEXT_START_DEFAULT = -1;
static {
sCursorAnchorInfoClass = CompatUtils.getClassWrapper(
"android.view.inputmethod.CursorAnchorInfo");
sGetCharacterRectMethod = sCursorAnchorInfoClass.getMethod(
"getCharacterRect", (RectF)null, int.class);
sGetCharacterRectFlagsMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"getCharacterRectFlags", CHARACTER_RECT_TYPE_UNSPECIFIED, int.class);
sGetComposingTextMethod = sCursorAnchorInfoClass.getMethod(
"getComposingText", (CharSequence)null);
sGetComposingTextStartMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"getComposingTextStart", COMPOSING_TEXT_START_DEFAULT);
sGetInsertionMarkerBaselineMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"getInsertionMarkerBaseline", 0.0f);
sGetInsertionMarkerBottomMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"getInsertionMarkerBottom", 0.0f);
sGetInsertionMarkerHorizontalMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"getInsertionMarkerHorizontal", 0.0f);
sGetInsertionMarkerTopMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"getInsertionMarkerTop", 0.0f);
sGetMatrixMethod = sCursorAnchorInfoClass.getMethod("getMatrix", (Matrix)null);
sIsInsertionMarkerClippedMethod = sCursorAnchorInfoClass.getPrimitiveMethod(
"isInsertionMarkerClipped", false);
}
@UsedForTesting
public static boolean isAvailable() {
return sCursorAnchorInfoClass.exists();
}
private Object mInstance;
private CursorAnchorInfoCompatWrapper(final Object instance) {
@ -107,29 +119,42 @@ public final class CursorAnchorInfoCompatWrapper {
}
public CharSequence getComposingText() {
return (CharSequence) CompatUtils.invoke(mInstance, null, METHOD_GET_COMPOSING_TEXT);
return sGetComposingTextMethod.invoke(mInstance);
}
private static int COMPOSING_TEXT_START_DEFAULT = -1;
public int getComposingTextStart() {
if (mInstance == null || METHOD_GET_COMPOSING_TEXT_START == null) {
return COMPOSING_TEXT_START_DEFAULT;
}
return (int) CompatUtils.invoke(mInstance, null, METHOD_GET_COMPOSING_TEXT_START);
return sGetComposingTextStartMethod.invoke(mInstance);
}
public Matrix getMatrix() {
return (Matrix) CompatUtils.invoke(mInstance, null, METHOD_GET_MATRIX);
return sGetMatrixMethod.invoke(mInstance);
}
public RectF getCharacterRect(final int index) {
return (RectF) CompatUtils.invoke(mInstance, null, METHOD_GET_CHARACTER_RECT, index);
return sGetCharacterRectMethod.invoke(mInstance, index);
}
public int getCharacterRectFlags(final int index) {
if (mInstance == null || METHOD_GET_CHARACTER_RECT_FLAGS == null) {
return CHARACTER_RECT_TYPE_UNSPECIFIED;
}
return (int) CompatUtils.invoke(mInstance, null, METHOD_GET_CHARACTER_RECT_FLAGS, index);
return sGetCharacterRectFlagsMethod.invoke(mInstance, index);
}
public float getInsertionMarkerBaseline() {
return sGetInsertionMarkerBaselineMethod.invoke(mInstance);
}
public float getInsertionMarkerBottom() {
return sGetInsertionMarkerBottomMethod.invoke(mInstance);
}
public float getInsertionMarkerHorizontal() {
return sGetInsertionMarkerHorizontalMethod.invoke(mInstance);
}
public float getInsertionMarkerTop() {
return sGetInsertionMarkerTopMethod.invoke(mInstance);
}
public boolean isInsertionMarkerClipped() {
return sIsInsertionMarkerClippedMethod.invoke(mInstance);
}
}