/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.wm;
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import static android.view.PointerIcon.TYPE_HORIZONTAL_DOUBLE_ARROW;
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import static android.view.PointerIcon.TYPE_NOT_SPECIFIED;
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import static android.view.PointerIcon.TYPE_TOP_LEFT_DIAGONAL_DOUBLE_ARROW;
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import static android.view.PointerIcon.TYPE_TOP_RIGHT_DIAGONAL_DOUBLE_ARROW;
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import static android.view.PointerIcon.TYPE_VERTICAL_DOUBLE_ARROW;
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import android.graphics.Rect;
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import android.graphics.Region;
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import android.hardware.input.InputManager;
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import android.view.MotionEvent;
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import android.view.WindowManagerPolicyConstants.PointerEventListener;
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import com.android.server.wm.WindowManagerService.H;
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/**
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* 1. Adjust the top most focus display if touch down on some display.
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* 2. Adjust the pointer icon when cursor moves to the task bounds.
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*/
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public class TaskTapPointerEventListener implements PointerEventListener {
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private final Region mTouchExcludeRegion = new Region();
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private final WindowManagerService mService;
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private final DisplayContent mDisplayContent;
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private final Rect mTmpRect = new Rect();
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private int mPointerIconType = TYPE_NOT_SPECIFIED;
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public TaskTapPointerEventListener(WindowManagerService service,
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DisplayContent displayContent) {
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mService = service;
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mDisplayContent = displayContent;
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}
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@Override
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public void onPointerEvent(MotionEvent motionEvent) {
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switch (motionEvent.getActionMasked()) {
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case MotionEvent.ACTION_DOWN: {
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final int x = (int) motionEvent.getX();
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final int y = (int) motionEvent.getY();
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synchronized (this) {
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if (!mTouchExcludeRegion.contains(x, y)) {
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mService.mTaskPositioningController.handleTapOutsideTask(
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mDisplayContent, x, y);
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}
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}
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}
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break;
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case MotionEvent.ACTION_HOVER_ENTER:
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case MotionEvent.ACTION_HOVER_MOVE: {
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final int x = (int) motionEvent.getX();
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final int y = (int) motionEvent.getY();
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final Task task = mDisplayContent.findTaskForResizePoint(x, y);
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int iconType = TYPE_NOT_SPECIFIED;
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if (task != null) {
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task.getDimBounds(mTmpRect);
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if (!mTmpRect.isEmpty() && !mTmpRect.contains(x, y)) {
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if (x < mTmpRect.left) {
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iconType =
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(y < mTmpRect.top) ? TYPE_TOP_LEFT_DIAGONAL_DOUBLE_ARROW :
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(y > mTmpRect.bottom) ? TYPE_TOP_RIGHT_DIAGONAL_DOUBLE_ARROW :
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TYPE_HORIZONTAL_DOUBLE_ARROW;
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} else if (x > mTmpRect.right) {
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iconType =
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(y < mTmpRect.top) ? TYPE_TOP_RIGHT_DIAGONAL_DOUBLE_ARROW :
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(y > mTmpRect.bottom) ? TYPE_TOP_LEFT_DIAGONAL_DOUBLE_ARROW :
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TYPE_HORIZONTAL_DOUBLE_ARROW;
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} else if (y < mTmpRect.top || y > mTmpRect.bottom) {
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iconType = TYPE_VERTICAL_DOUBLE_ARROW;
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}
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}
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}
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if (mPointerIconType != iconType) {
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mPointerIconType = iconType;
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if (mPointerIconType == TYPE_NOT_SPECIFIED) {
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// Find the underlying window and ask it restore the pointer icon.
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mService.mH.removeMessages(H.RESTORE_POINTER_ICON);
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mService.mH.obtainMessage(H.RESTORE_POINTER_ICON,
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x, y, mDisplayContent).sendToTarget();
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} else {
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InputManager.getInstance().setPointerIconType(mPointerIconType);
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}
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}
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}
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break;
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case MotionEvent.ACTION_HOVER_EXIT: {
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final int x = (int) motionEvent.getX();
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final int y = (int) motionEvent.getY();
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if (mPointerIconType != TYPE_NOT_SPECIFIED) {
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mPointerIconType = TYPE_NOT_SPECIFIED;
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// Find the underlying window and ask it to restore the pointer icon.
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mService.mH.removeMessages(H.RESTORE_POINTER_ICON);
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mService.mH.obtainMessage(H.RESTORE_POINTER_ICON,
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x, y, mDisplayContent).sendToTarget();
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}
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}
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break;
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}
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}
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void setTouchExcludeRegion(Region newRegion) {
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synchronized (this) {
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mTouchExcludeRegion.set(newRegion);
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}
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}
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}
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