Jim Miller | 3192148 | 2013-11-06 20:43:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | package com.android.keyguard; |
| 17 | |
| 18 | import android.app.Presentation; |
| 19 | import android.content.Context; |
| 20 | import android.content.DialogInterface; |
| 21 | import android.content.DialogInterface.OnDismissListener; |
| 22 | import android.graphics.Point; |
| 23 | import android.media.MediaRouter; |
| 24 | import android.media.MediaRouter.RouteInfo; |
| 25 | import android.os.Bundle; |
| 26 | import android.util.Slog; |
| 27 | import android.view.Display; |
| 28 | import android.view.View; |
| 29 | import android.view.WindowManager; |
| 30 | |
| 31 | public class KeyguardDisplayManager { |
| 32 | protected static final String TAG = "KeyguardDisplayManager"; |
| 33 | private static boolean DEBUG = KeyguardViewMediator.DEBUG; |
| 34 | Presentation mPresentation; |
| 35 | private MediaRouter mMediaRouter; |
| 36 | private Context mContext; |
| 37 | private boolean mShowing; |
| 38 | |
| 39 | KeyguardDisplayManager(Context context) { |
| 40 | mContext = context; |
| 41 | mMediaRouter = (MediaRouter) mContext.getSystemService(Context.MEDIA_ROUTER_SERVICE); |
| 42 | } |
| 43 | |
| 44 | void show() { |
| 45 | if (!mShowing) { |
| 46 | if (DEBUG) Slog.v(TAG, "show"); |
| 47 | mMediaRouter.addCallback(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, |
| 48 | mMediaRouterCallback, MediaRouter.CALLBACK_FLAG_PASSIVE_DISCOVERY); |
| 49 | updateDisplays(true); |
| 50 | } |
| 51 | mShowing = true; |
| 52 | } |
| 53 | |
| 54 | void hide() { |
| 55 | if (mShowing) { |
| 56 | if (DEBUG) Slog.v(TAG, "hide"); |
| 57 | mMediaRouter.removeCallback(mMediaRouterCallback); |
| 58 | updateDisplays(false); |
| 59 | } |
| 60 | mShowing = false; |
| 61 | } |
| 62 | |
| 63 | private final MediaRouter.SimpleCallback mMediaRouterCallback = |
| 64 | new MediaRouter.SimpleCallback() { |
| 65 | @Override |
| 66 | public void onRouteSelected(MediaRouter router, int type, RouteInfo info) { |
| 67 | if (DEBUG) Slog.d(TAG, "onRouteSelected: type=" + type + ", info=" + info); |
| 68 | updateDisplays(mShowing); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) { |
| 73 | if (DEBUG) Slog.d(TAG, "onRouteUnselected: type=" + type + ", info=" + info); |
| 74 | updateDisplays(mShowing); |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | public void onRoutePresentationDisplayChanged(MediaRouter router, RouteInfo info) { |
| 79 | if (DEBUG) Slog.d(TAG, "onRoutePresentationDisplayChanged: info=" + info); |
| 80 | updateDisplays(mShowing); |
| 81 | } |
| 82 | }; |
| 83 | |
| 84 | private OnDismissListener mOnDismissListener = new OnDismissListener() { |
| 85 | |
| 86 | @Override |
| 87 | public void onDismiss(DialogInterface dialog) { |
| 88 | mPresentation = null; |
| 89 | } |
| 90 | }; |
| 91 | |
| 92 | protected void updateDisplays(boolean showing) { |
| 93 | if (showing) { |
| 94 | MediaRouter.RouteInfo route = mMediaRouter.getSelectedRoute( |
| 95 | MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY); |
| 96 | boolean useDisplay = route != null |
| 97 | && route.getPlaybackType() == MediaRouter.RouteInfo.PLAYBACK_TYPE_REMOTE; |
| 98 | Display presentationDisplay = useDisplay ? route.getPresentationDisplay() : null; |
| 99 | |
| 100 | if (mPresentation != null && mPresentation.getDisplay() != presentationDisplay) { |
| 101 | if (DEBUG) Slog.v(TAG, "Display gone: " + mPresentation.getDisplay()); |
| 102 | mPresentation.dismiss(); |
| 103 | mPresentation = null; |
| 104 | } |
| 105 | |
| 106 | if (mPresentation == null && presentationDisplay != null) { |
| 107 | if (DEBUG) Slog.i(TAG, "Keyguard enabled on display: " + presentationDisplay); |
| 108 | mPresentation = new KeyguardPresentation(mContext, presentationDisplay); |
| 109 | mPresentation.setOnDismissListener(mOnDismissListener); |
| 110 | try { |
| 111 | mPresentation.show(); |
| 112 | } catch (WindowManager.InvalidDisplayException ex) { |
| 113 | Slog.w(TAG, "Invalid display:", ex); |
| 114 | mPresentation = null; |
| 115 | } |
| 116 | } |
| 117 | } else { |
| 118 | if (mPresentation != null) { |
| 119 | mPresentation.dismiss(); |
| 120 | mPresentation = null; |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | private final static class KeyguardPresentation extends Presentation { |
| 126 | private static final int VIDEO_SAFE_REGION = 80; // Percentage of display width & height |
| 127 | private static final int MOVE_CLOCK_TIMEOUT = 10000; // 10s |
| 128 | private View mClock; |
| 129 | private int mUsableWidth; |
| 130 | private int mUsableHeight; |
| 131 | private int mMarginTop; |
| 132 | private int mMarginLeft; |
| 133 | Runnable mMoveTextRunnable = new Runnable() { |
| 134 | @Override |
| 135 | public void run() { |
| 136 | int x = mMarginLeft + (int) (Math.random() * (mUsableWidth - mClock.getWidth())); |
| 137 | int y = mMarginTop + (int) (Math.random() * (mUsableHeight - mClock.getHeight())); |
| 138 | mClock.setTranslationX(x); |
| 139 | mClock.setTranslationY(y); |
| 140 | mClock.postDelayed(mMoveTextRunnable, MOVE_CLOCK_TIMEOUT); |
| 141 | } |
| 142 | }; |
| 143 | |
| 144 | public KeyguardPresentation(Context context, Display display) { |
| 145 | super(context, display); |
| 146 | getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| 147 | } |
| 148 | |
| 149 | public void onDetachedFromWindow() { |
| 150 | mClock.removeCallbacks(mMoveTextRunnable); |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | protected void onCreate(Bundle savedInstanceState) { |
| 155 | super.onCreate(savedInstanceState); |
| 156 | |
| 157 | Point p = new Point(); |
| 158 | getDisplay().getSize(p); |
| 159 | mUsableWidth = VIDEO_SAFE_REGION * p.x/100; |
| 160 | mUsableHeight = VIDEO_SAFE_REGION * p.y/100; |
| 161 | mMarginLeft = (100 - VIDEO_SAFE_REGION) * p.x / 200; |
| 162 | mMarginTop = (100 - VIDEO_SAFE_REGION) * p.y / 200; |
| 163 | |
| 164 | setContentView(R.layout.keyguard_presentation); |
| 165 | mClock = findViewById(R.id.clock); |
| 166 | |
| 167 | // Avoid screen burn in |
| 168 | mClock.post(mMoveTextRunnable); |
| 169 | } |
| 170 | } |
| 171 | } |