am 080eba65: am 22ba22f3: Merge "Add two convenient utility methods for L new API" into lmp-dev

* commit '080eba652d2aba82d8b86a84a166529ca9303714':
  Add two convenient utility methods for L new API
main
Yohei Yukawa 2014-07-21 18:37:25 +00:00 committed by Android Git Automerger
commit 9a9893d1a2
1 changed files with 70 additions and 6 deletions

View File

@ -16,12 +16,15 @@
package com.android.inputmethod.compat; package com.android.inputmethod.compat;
import android.util.Log;
import android.view.inputmethod.InputConnection; import android.view.inputmethod.InputConnection;
import java.lang.reflect.Constructor; import java.lang.reflect.Constructor;
import java.lang.reflect.Method; import java.lang.reflect.Method;
public final class InputConnectionCompatUtils { 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. // Note that CursorAnchorInfoRequest is supposed to be available in API level 21 and later.
private static Class<?> getCursorAnchorInfoRequestClass() { private static Class<?> getCursorAnchorInfoRequestClass() {
try { try {
@ -48,23 +51,84 @@ public final class InputConnectionCompatUtils {
} }
/** /**
* A local copy of CursorAnchorInfoRequest.RESULT_NOT_HANDLED until the SDK becomes publicly * Local copies of some constants in CursorAnchorInfoRequest until the SDK becomes publicly
* available. * available.
*/ */
private final static int CURSOR_ANCHOR_INFO_REQUEST_RESULT_NOT_HANDLED = 0; 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;
public static int requestCursorAnchorInfo(final InputConnection inputConnection, private static int requestCursorAnchorInfoImpl(final InputConnection inputConnection,
final int type, final int flags) { final int type, final int flags) {
if (!isRequestCursorAnchorInfoAvailable()) { if (!isRequestCursorAnchorInfoAvailable()) {
return CURSOR_ANCHOR_INFO_REQUEST_RESULT_NOT_HANDLED; return RESULT_NOT_HANDLED;
} }
final Object requestObject = CompatUtils.newInstance( final Object requestObject = CompatUtils.newInstance(
CONSTRUCTOR_CursorAnchorInfoRequest, type, flags); CONSTRUCTOR_CursorAnchorInfoRequest, type, flags);
if (requestObject == null) { if (requestObject == null) {
return CURSOR_ANCHOR_INFO_REQUEST_RESULT_NOT_HANDLED; return RESULT_NOT_HANDLED;
} }
return (Integer) CompatUtils.invoke(inputConnection, return (Integer) CompatUtils.invoke(inputConnection,
CURSOR_ANCHOR_INFO_REQUEST_RESULT_NOT_HANDLED /* defaultValue */, RESULT_NOT_HANDLED /* defaultValue */,
METHOD_requestCursorAnchorInfo, requestObject); METHOD_requestCursorAnchorInfo, requestObject);
} }
/**
* Requests the editor to call back {@link InputMethodManager#updateCursorAnchorInfo}.
* @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/anchor position is changed.
* @param requestImmediateCallback {@code true} to request the editor to call back the method
* 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,
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;
}
}
/**
* 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;
}
}
} }