e58194099d
This reverts commit b268a8c365a4c9dcb7b1382a7ce3ec5607b22de0. Rolling forward with suppress for the lint errors Test: ./gradlew lint Bug: 77338508 Change-Id: I9582bfbb4c73ae60a15e8285facf20da458b9690
84 lines
2.9 KiB
Java
84 lines
2.9 KiB
Java
/*
|
|
* Copyright (C) 2018 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.setupwizardlib.view;
|
|
|
|
import android.text.Selection;
|
|
import android.text.Spannable;
|
|
import android.text.method.LinkMovementMethod;
|
|
import android.text.method.MovementMethod;
|
|
import android.view.MotionEvent;
|
|
import android.widget.TextView;
|
|
|
|
/**
|
|
* A movement method that tracks the last result of whether touch events are handled. This is
|
|
* used to patch the return value of {@link TextView#onTouchEvent} so that it consumes the touch
|
|
* events only when the movement method says the event is consumed.
|
|
*/
|
|
public interface TouchableMovementMethod {
|
|
|
|
/**
|
|
* @return The last touch event received in {@link MovementMethod#onTouchEvent}
|
|
*/
|
|
MotionEvent getLastTouchEvent();
|
|
|
|
/**
|
|
* @return The return value of the last {@link MovementMethod#onTouchEvent}, or whether the
|
|
* last touch event should be considered handled by the text view
|
|
*/
|
|
boolean isLastTouchEventHandled();
|
|
|
|
/**
|
|
* An extension of LinkMovementMethod that tracks whether the event is handled when it is
|
|
* touched.
|
|
*/
|
|
class TouchableLinkMovementMethod extends LinkMovementMethod
|
|
implements TouchableMovementMethod {
|
|
|
|
public static TouchableLinkMovementMethod getInstance() {
|
|
return new TouchableLinkMovementMethod();
|
|
}
|
|
|
|
boolean mLastEventResult = false;
|
|
MotionEvent mLastEvent;
|
|
|
|
@Override
|
|
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
|
|
mLastEvent = event;
|
|
boolean result = super.onTouchEvent(widget, buffer, event);
|
|
if (event.getAction() == MotionEvent.ACTION_DOWN) {
|
|
// Unfortunately, LinkMovementMethod extends ScrollMovementMethod, and it always
|
|
// consume the down event. So here we use the selection instead as a hint of whether
|
|
// the down event landed on a link.
|
|
mLastEventResult = Selection.getSelectionStart(buffer) != -1;
|
|
} else {
|
|
mLastEventResult = result;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
@Override
|
|
public MotionEvent getLastTouchEvent() {
|
|
return mLastEvent;
|
|
}
|
|
|
|
@Override
|
|
public boolean isLastTouchEventHandled() {
|
|
return mLastEventResult;
|
|
}
|
|
}
|
|
}
|