| /* |
| * Copyright (C) 2015 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.documentsui; |
| |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| |
| /** |
| * Utility code for dealing with MotionEvents. |
| */ |
| final class Events { |
| |
| /** |
| * Returns true if event was triggered by a mouse. |
| */ |
| static boolean isMouseEvent(MotionEvent e) { |
| return isMouseType(e.getToolType(0)); |
| } |
| |
| /** |
| * Returns true if event was triggered by a finger or stylus touch. |
| */ |
| static boolean isTouchEvent(MotionEvent e) { |
| return isTouchType(e.getToolType(0)); |
| } |
| |
| /** |
| * Returns true if event was triggered by a mouse. |
| */ |
| static boolean isMouseType(int toolType) { |
| return toolType == MotionEvent.TOOL_TYPE_MOUSE; |
| } |
| |
| /** |
| * Returns true if event was triggered by a finger or stylus touch. |
| */ |
| static boolean isTouchType(int toolType) { |
| return toolType == MotionEvent.TOOL_TYPE_FINGER |
| || toolType == MotionEvent.TOOL_TYPE_STYLUS; |
| } |
| |
| /** |
| * Returns true if the shift is pressed. |
| */ |
| boolean isShiftPressed(MotionEvent e) { |
| return hasShiftBit(e.getMetaState()); |
| } |
| |
| /** |
| * Returns true if the "SHIFT" bit is set. |
| */ |
| static boolean hasShiftBit(int metaState) { |
| return (metaState & KeyEvent.META_SHIFT_ON) != 0; |
| } |
| } |