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follow-up to API change in I4a577bfd02b37b 

BUG: 17182367
BUG: 17185263
Change-Id: Id54ca29c191b9752fa82ffe5a960113b2e97e5c1
main
Yohei Yukawa 2014-08-21 21:16:57 -07:00
parent 8e2fcaa334
commit cabb66e9bc
3 changed files with 24 additions and 113 deletions
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17
java-overridable/src/com/android/inputmethod/latin/define/ProductionFlags.java
View File

@ -24,22 +24,13 @@ public final class ProductionFlags {
public static final boolean IS_HARDWARE_KEYBOARD_SUPPORTED = false;
/**
* When true, enable {@link InputMethodService#onUpdateCursorAnchorInfo} callback via
* {@link InputConnection#requestCursorAnchorInfo}. This flag has no effect in API Level 20
* and prior. In general, this callback provides more detailed positional information,
* even though an explicit support is required by the editor.
* When true, enable {@link InputMethodService#onUpdateCursorAnchorInfo} callback via
* {@link InputConnection#requestUpdateCursorAnchorInfo}. This flag has no effect in API
* Level 20 and prior. In general, this callback provides detailed positional information,
* even though an explicit support is required by the editor.
*/
public static final boolean ENABLE_CURSOR_ANCHOR_INFO_CALLBACK = true;
/**
* When true, enable {@link InputMethodService#onUpdateCursor} callback via
* {@link InputConnection#requestCursorAnchorInfo}. Although this callback has been available
* since API Level 3, the callback has never been used until API Level 20. Thus it may or may
* not work well as expected. Should rely on {@link InputMethodService#onUpdateCursorAnchorInfo}
* whenever possible since it is supposed to be more reliable and accurate.
*/
public static final boolean ENABLE_CURSOR_RECT_CALLBACK = false;
/**
* Include all suggestions from all dictionaries in {@link SuggestedWords#mRawSuggestions}.
*/

106
java/src/com/android/inputmethod/compat/InputConnectionCompatUtils.java
View File

@ -16,67 +16,35 @@
package com.android.inputmethod.compat;
import android.util.Log;
import android.view.inputmethod.InputConnection;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import android.view.inputmethod.InputMethodManager;
public final class InputConnectionCompatUtils {
private static final String TAG = InputConnectionCompatUtils.class.getSimpleName();
// Note that CursorAnchorInfoRequest is supposed to be available in API level 21 and later.
private static Class<?> getCursorAnchorInfoRequestClass() {
try {
return Class.forName("android.view.inputmethod.CursorAnchorInfoRequest");
} catch (ClassNotFoundException e) {
return null;
}
}
private static final Class<?> TYPE_CursorAnchorInfoRequest;
private static final Constructor<?> CONSTRUCTOR_CursorAnchorInfoRequest;
private static final Method METHOD_requestCursorAnchorInfo;
private static final CompatUtils.ClassWrapper sInputConnectionType;
private static final CompatUtils.ToBooleanMethodWrapper sRequestUpdateCursorAnchorInfoMethod;
static {
TYPE_CursorAnchorInfoRequest = getCursorAnchorInfoRequestClass();
CONSTRUCTOR_CursorAnchorInfoRequest = CompatUtils.getConstructor(
TYPE_CursorAnchorInfoRequest, int.class, int.class);
METHOD_requestCursorAnchorInfo = CompatUtils.getMethod(InputConnection.class,
"requestCursorAnchorInfo", TYPE_CursorAnchorInfoRequest);
sInputConnectionType = new CompatUtils.ClassWrapper(InputConnection.class);
sRequestUpdateCursorAnchorInfoMethod = sInputConnectionType.getPrimitiveMethod(
"requestUpdateCursorAnchorInfo", false, int.class);
}
public static boolean isRequestCursorAnchorInfoAvailable() {
return METHOD_requestCursorAnchorInfo != null &&
CONSTRUCTOR_CursorAnchorInfoRequest != null;
public static boolean isRequestUpdateCursorAnchorInfoAvailable() {
return sRequestUpdateCursorAnchorInfoMethod != null;
}
/**
* Local copies of some constants in CursorAnchorInfoRequest until the SDK becomes publicly
* available.
*/
private final static int RESULT_NOT_HANDLED = 0;
private final static int RESULT_SCHEDULED = 1;
private final static int TYPE_CURSOR_ANCHOR_INFO = 1;
private final static int FLAG_CURSOR_ANCHOR_INFO_MONITOR = 1;
private final static int FLAG_CURSOR_ANCHOR_INFO_IMMEDIATE = 2;
private final static int TYPE_CURSOR_RECT = 2;
private final static int FLAG_CURSOR_RECT_MONITOR = 1;
private final static int FLAG_CURSOR_RECT_IN_SCREEN_COORDINATES = 2;
private final static int FLAG_CURSOR_RECT_WITH_VIEW_MATRIX = 4;
private static int REQUEST_UPDATE_CURSOR_UPDATE_IMMEDIATE = 1 << 0;
private static int REQUEST_UPDATE_CURSOR_UPDATE_MONITOR = 1 << 1;
private static int requestCursorAnchorInfoImpl(final InputConnection inputConnection,
final int type, final int flags) {
if (!isRequestCursorAnchorInfoAvailable()) {
return RESULT_NOT_HANDLED;
private static boolean requestUpdateCursorAnchorInfoImpl(final InputConnection inputConnection,
final int cursorUpdateMode) {
if (!isRequestUpdateCursorAnchorInfoAvailable()) {
return false;
}
final Object requestObject = CompatUtils.newInstance(
CONSTRUCTOR_CursorAnchorInfoRequest, type, flags);
if (requestObject == null) {
return RESULT_NOT_HANDLED;
}
return (Integer) CompatUtils.invoke(inputConnection,
RESULT_NOT_HANDLED /* defaultValue */,
METHOD_requestCursorAnchorInfo, requestObject);
return sRequestUpdateCursorAnchorInfoMethod.invoke(inputConnection, cursorUpdateMode);
}
/**
@ -88,47 +56,11 @@ public final class InputConnectionCompatUtils {
* as soon as possible to notify the current cursor/anchor position to the input method.
* @return {@code false} if the request is not handled. Otherwise returns {@code true}.
*/
public static boolean requestCursorAnchorInfo(final InputConnection inputConnection,
public static boolean requestUpdateCursorAnchorInfo(final InputConnection inputConnection,
final boolean enableMonitor, final boolean requestImmediateCallback) {
final int requestFlags = (enableMonitor ? FLAG_CURSOR_ANCHOR_INFO_MONITOR : 0)
| (requestImmediateCallback ? FLAG_CURSOR_ANCHOR_INFO_IMMEDIATE : 0);
final int requestResult = requestCursorAnchorInfoImpl(inputConnection,
TYPE_CURSOR_ANCHOR_INFO, requestFlags);
switch (requestResult) {
case RESULT_NOT_HANDLED:
return false;
case RESULT_SCHEDULED:
return true;
default:
Log.w(TAG, "requestCursorAnchorInfo returned unknown result=" + requestResult
+ " for type=TYPE_CURSOR_ANCHOR_INFO flags=" + requestFlags);
return true;
}
final int cursorUpdateMode = (enableMonitor ? REQUEST_UPDATE_CURSOR_UPDATE_MONITOR : 0)
| (requestImmediateCallback ? REQUEST_UPDATE_CURSOR_UPDATE_IMMEDIATE : 0);
return requestUpdateCursorAnchorInfoImpl(inputConnection, cursorUpdateMode);
}
/**
* Requests the editor to call back {@link InputMethodManager#updateCursor}.
* @param inputConnection the input connection to which the request is to be sent.
* @param enableMonitor {@code true} to request the editor to call back the method whenever the
* cursor position is changed.
* @return {@code false} if the request is not handled. Otherwise returns {@code true}.
*/
public static boolean requestCursorRect(final InputConnection inputConnection,
final boolean enableMonitor) {
final int requestFlags = enableMonitor ?
FLAG_CURSOR_RECT_MONITOR | FLAG_CURSOR_RECT_IN_SCREEN_COORDINATES |
FLAG_CURSOR_RECT_WITH_VIEW_MATRIX : 0;
final int requestResult = requestCursorAnchorInfoImpl(inputConnection, TYPE_CURSOR_RECT,
requestFlags);
switch (requestResult) {
case RESULT_NOT_HANDLED:
return false;
case RESULT_SCHEDULED:
return true;
default:
Log.w(TAG, "requestCursorAnchorInfo returned unknown result=" + requestResult
+ " for type=TYPE_CURSOR_RECT flags=" + requestFlags);
return true;
}
}
}

14
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -754,14 +754,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
private void onStartInputInternal(final EditorInfo editorInfo, final boolean restarting) {
super.onStartInput(editorInfo, restarting);
if (ProductionFlags.ENABLE_CURSOR_RECT_CALLBACK) {
InputConnectionCompatUtils.requestCursorRect(getCurrentInputConnection(),
true /* enableMonitor */);
}
if (ProductionFlags.ENABLE_CURSOR_ANCHOR_INFO_CALLBACK) {
// AcceptTypedWord feature relies on CursorAnchorInfo.
if (mSettings.getCurrent().mShouldShowUiToAcceptTypedWord) {
InputConnectionCompatUtils.requestCursorAnchorInfo(
InputConnectionCompatUtils.requestUpdateCursorAnchorInfo(
getCurrentInputConnection(), true /* enableMonitor */,
true /* requestImmediateCallback */);
}
@ -970,14 +966,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
}
}
@Override
public void onUpdateCursor(final Rect rect) {
if (DEBUG) {
Log.i(TAG, "onUpdateCursor:" + rect.toShortString());
}
super.onUpdateCursor(rect);
}
// We cannot mark this method as @Override until new SDK becomes publicly available.
// @Override
public void onUpdateCursorAnchorInfo(final CursorAnchorInfo info) {