113 lines
3.7 KiB
Java
113 lines
3.7 KiB
Java
/*
|
|
* Copyright (C) 2022 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.example.android.sampleinputmethodaccessibilityservice;
|
|
|
|
import android.content.Context;
|
|
import android.graphics.PixelFormat;
|
|
import android.view.Gravity;
|
|
import android.view.View;
|
|
import android.view.WindowManager;
|
|
import android.view.accessibility.AccessibilityEvent;
|
|
import android.widget.FrameLayout;
|
|
|
|
import androidx.annotation.ColorInt;
|
|
import androidx.annotation.NonNull;
|
|
|
|
final class OverlayWindowBuilder {
|
|
@NonNull
|
|
private final View mContentView;
|
|
private int mWidth = WindowManager.LayoutParams.WRAP_CONTENT;
|
|
private int mHeight = WindowManager.LayoutParams.WRAP_CONTENT;
|
|
private int mGravity = Gravity.NO_GRAVITY;
|
|
private int mRelX = 0;
|
|
private int mRelY = 0;
|
|
private Integer mBackgroundColor = null;
|
|
private boolean mShown = false;
|
|
|
|
private OverlayWindowBuilder(@NonNull View contentView) {
|
|
mContentView = contentView;
|
|
}
|
|
|
|
static OverlayWindowBuilder from(@NonNull View contentView) {
|
|
return new OverlayWindowBuilder(contentView);
|
|
}
|
|
|
|
OverlayWindowBuilder setSize(int width, int height) {
|
|
mWidth = width;
|
|
mHeight = height;
|
|
return this;
|
|
}
|
|
|
|
OverlayWindowBuilder setGravity(int gravity) {
|
|
mGravity = gravity;
|
|
return this;
|
|
}
|
|
|
|
OverlayWindowBuilder setRelativePosition(int relX, int relY) {
|
|
mRelX = relX;
|
|
mRelY = relY;
|
|
return this;
|
|
}
|
|
|
|
OverlayWindowBuilder setBackgroundColor(@ColorInt int color) {
|
|
mBackgroundColor = color;
|
|
return this;
|
|
}
|
|
|
|
void show() {
|
|
if (mShown) {
|
|
throw new UnsupportedOperationException("show() can be called only once.");
|
|
}
|
|
|
|
final Context context = mContentView.getContext();
|
|
final WindowManager windowManager = context.getSystemService(WindowManager.class);
|
|
|
|
final FrameLayout contentFrame = new FrameLayout(context) {
|
|
@Override
|
|
public boolean requestSendAccessibilityEvent(View view, AccessibilityEvent event) {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public void sendAccessibilityEventUnchecked(AccessibilityEvent event) {
|
|
}
|
|
};
|
|
if (mBackgroundColor != null) {
|
|
contentFrame.setBackgroundColor(mBackgroundColor);
|
|
}
|
|
contentFrame.setOnTouchListener(new DragToMoveTouchListener((dx, dy) -> {
|
|
final WindowManager.LayoutParams lp =
|
|
(WindowManager.LayoutParams) contentFrame.getLayoutParams();
|
|
lp.x += dx;
|
|
lp.y += dy;
|
|
windowManager.updateViewLayout(contentFrame, lp);
|
|
}));
|
|
contentFrame.addView(mContentView);
|
|
final WindowManager.LayoutParams params = new WindowManager.LayoutParams(
|
|
mWidth, mHeight,
|
|
WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY,
|
|
WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
|
|
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
|
|
PixelFormat.TRANSLUCENT);
|
|
params.gravity = mGravity;
|
|
params.x = mRelX;
|
|
params.y = mRelY;
|
|
windowManager.addView(contentFrame, params);
|
|
mShown = true;
|
|
}
|
|
}
|