Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.settings; |
| 18 | |
| 19 | import android.content.ContentResolver; |
| 20 | import android.content.Context; |
| 21 | import android.database.ContentObserver; |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 22 | import android.hardware.input.InputManager; |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 23 | import android.os.Handler; |
| 24 | import android.os.Parcel; |
| 25 | import android.os.Parcelable; |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 26 | import android.provider.Settings; |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 27 | import android.util.AttributeSet; |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 28 | import android.view.View; |
| 29 | import android.widget.SeekBar; |
| 30 | |
John Reck | c2ad2e4 | 2011-06-15 16:49:16 -0700 | [diff] [blame] | 31 | public class PointerSpeedPreference extends SeekBarDialogPreference implements |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 32 | SeekBar.OnSeekBarChangeListener { |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 33 | private final InputManager mIm; |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 34 | private SeekBar mSeekBar; |
| 35 | |
| 36 | private int mOldSpeed; |
| 37 | private boolean mRestoredOldState; |
| 38 | |
| 39 | private boolean mTouchInProgress; |
| 40 | |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 41 | private ContentObserver mSpeedObserver = new ContentObserver(new Handler()) { |
| 42 | @Override |
| 43 | public void onChange(boolean selfChange) { |
| 44 | onSpeedChanged(); |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | public PointerSpeedPreference(Context context, AttributeSet attrs) { |
| 49 | super(context, attrs); |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 50 | mIm = (InputManager)getContext().getSystemService(Context.INPUT_SERVICE); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | @Override |
Jason Monk | 783718ff | 2015-10-13 16:45:28 -0400 | [diff] [blame] | 54 | protected void onClick() { |
| 55 | super.onClick(); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 56 | |
| 57 | getContext().getContentResolver().registerContentObserver( |
| 58 | Settings.System.getUriFor(Settings.System.POINTER_SPEED), true, |
| 59 | mSpeedObserver); |
| 60 | |
| 61 | mRestoredOldState = false; |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | protected void onBindDialogView(View view) { |
| 66 | super.onBindDialogView(view); |
| 67 | |
| 68 | mSeekBar = getSeekBar(view); |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 69 | mSeekBar.setMax(InputManager.MAX_POINTER_SPEED - InputManager.MIN_POINTER_SPEED); |
Jeff Brown | 4397f40 | 2012-04-09 13:24:34 -0700 | [diff] [blame] | 70 | mOldSpeed = mIm.getPointerSpeed(getContext()); |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 71 | mSeekBar.setProgress(mOldSpeed - InputManager.MIN_POINTER_SPEED); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 72 | mSeekBar.setOnSeekBarChangeListener(this); |
| 73 | } |
| 74 | |
| 75 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) { |
| 76 | if (!mTouchInProgress) { |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 77 | mIm.tryPointerSpeed(progress + InputManager.MIN_POINTER_SPEED); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 78 | } |
| 79 | } |
| 80 | |
| 81 | public void onStartTrackingTouch(SeekBar seekBar) { |
| 82 | mTouchInProgress = true; |
| 83 | } |
| 84 | |
| 85 | public void onStopTrackingTouch(SeekBar seekBar) { |
| 86 | mTouchInProgress = false; |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 87 | mIm.tryPointerSpeed(seekBar.getProgress() + InputManager.MIN_POINTER_SPEED); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | private void onSpeedChanged() { |
Jeff Brown | 4397f40 | 2012-04-09 13:24:34 -0700 | [diff] [blame] | 91 | int speed = mIm.getPointerSpeed(getContext()); |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 92 | mSeekBar.setProgress(speed - InputManager.MIN_POINTER_SPEED); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | @Override |
| 96 | protected void onDialogClosed(boolean positiveResult) { |
| 97 | super.onDialogClosed(positiveResult); |
| 98 | |
| 99 | final ContentResolver resolver = getContext().getContentResolver(); |
| 100 | |
| 101 | if (positiveResult) { |
Jeff Brown | 4397f40 | 2012-04-09 13:24:34 -0700 | [diff] [blame] | 102 | mIm.setPointerSpeed(getContext(), |
| 103 | mSeekBar.getProgress() + InputManager.MIN_POINTER_SPEED); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 104 | } else { |
| 105 | restoreOldState(); |
| 106 | } |
| 107 | |
| 108 | resolver.unregisterContentObserver(mSpeedObserver); |
| 109 | } |
| 110 | |
| 111 | private void restoreOldState() { |
| 112 | if (mRestoredOldState) return; |
| 113 | |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 114 | mIm.tryPointerSpeed(mOldSpeed); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 115 | mRestoredOldState = true; |
| 116 | } |
| 117 | |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 118 | @Override |
| 119 | protected Parcelable onSaveInstanceState() { |
| 120 | final Parcelable superState = super.onSaveInstanceState(); |
| 121 | if (getDialog() == null || !getDialog().isShowing()) return superState; |
| 122 | |
| 123 | // Save the dialog state |
| 124 | final SavedState myState = new SavedState(superState); |
| 125 | myState.progress = mSeekBar.getProgress(); |
| 126 | myState.oldSpeed = mOldSpeed; |
| 127 | |
| 128 | // Restore the old state when the activity or dialog is being paused |
| 129 | restoreOldState(); |
| 130 | return myState; |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | protected void onRestoreInstanceState(Parcelable state) { |
| 135 | if (state == null || !state.getClass().equals(SavedState.class)) { |
| 136 | // Didn't save state for us in onSaveInstanceState |
| 137 | super.onRestoreInstanceState(state); |
| 138 | return; |
| 139 | } |
| 140 | |
| 141 | SavedState myState = (SavedState) state; |
| 142 | super.onRestoreInstanceState(myState.getSuperState()); |
| 143 | mOldSpeed = myState.oldSpeed; |
Jeff Brown | b4765ac | 2012-04-05 18:50:14 -0700 | [diff] [blame] | 144 | mIm.tryPointerSpeed(myState.progress + InputManager.MIN_POINTER_SPEED); |
Jeff Brown | d82487b | 2011-06-02 03:10:28 -0700 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | private static class SavedState extends BaseSavedState { |
| 148 | int progress; |
| 149 | int oldSpeed; |
| 150 | |
| 151 | public SavedState(Parcel source) { |
| 152 | super(source); |
| 153 | progress = source.readInt(); |
| 154 | oldSpeed = source.readInt(); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public void writeToParcel(Parcel dest, int flags) { |
| 159 | super.writeToParcel(dest, flags); |
| 160 | dest.writeInt(progress); |
| 161 | dest.writeInt(oldSpeed); |
| 162 | } |
| 163 | |
| 164 | public SavedState(Parcelable superState) { |
| 165 | super(superState); |
| 166 | } |
| 167 | |
| 168 | public static final Parcelable.Creator<SavedState> CREATOR = |
| 169 | new Parcelable.Creator<SavedState>() { |
| 170 | |
| 171 | public SavedState createFromParcel(Parcel in) { |
| 172 | return new SavedState(in); |
| 173 | } |
| 174 | |
| 175 | public SavedState[] newArray(int size) { |
| 176 | return new SavedState[size]; |
| 177 | } |
| 178 | }; |
| 179 | } |
| 180 | } |
| 181 | |