| /* |
| * Copyright (C) 2013 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.keyguard; |
| |
| import android.app.Presentation; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnDismissListener; |
| import android.graphics.Point; |
| import android.media.MediaRouter; |
| import android.media.MediaRouter.RouteInfo; |
| import android.os.Bundle; |
| import android.util.Slog; |
| import android.view.Display; |
| import android.view.View; |
| import android.view.WindowManager; |
| |
| public class KeyguardDisplayManager { |
| protected static final String TAG = "KeyguardDisplayManager"; |
| private static boolean DEBUG = KeyguardConstants.DEBUG; |
| Presentation mPresentation; |
| private MediaRouter mMediaRouter; |
| private Context mContext; |
| private boolean mShowing; |
| |
| public KeyguardDisplayManager(Context context) { |
| mContext = context; |
| mMediaRouter = (MediaRouter) mContext.getSystemService(Context.MEDIA_ROUTER_SERVICE); |
| } |
| |
| public void show() { |
| if (!mShowing) { |
| if (DEBUG) Slog.v(TAG, "show"); |
| mMediaRouter.addCallback(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, |
| mMediaRouterCallback, MediaRouter.CALLBACK_FLAG_PASSIVE_DISCOVERY); |
| updateDisplays(true); |
| } |
| mShowing = true; |
| } |
| |
| public void hide() { |
| if (mShowing) { |
| if (DEBUG) Slog.v(TAG, "hide"); |
| mMediaRouter.removeCallback(mMediaRouterCallback); |
| updateDisplays(false); |
| } |
| mShowing = false; |
| } |
| |
| private final MediaRouter.SimpleCallback mMediaRouterCallback = |
| new MediaRouter.SimpleCallback() { |
| @Override |
| public void onRouteSelected(MediaRouter router, int type, RouteInfo info) { |
| if (DEBUG) Slog.d(TAG, "onRouteSelected: type=" + type + ", info=" + info); |
| updateDisplays(mShowing); |
| } |
| |
| @Override |
| public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) { |
| if (DEBUG) Slog.d(TAG, "onRouteUnselected: type=" + type + ", info=" + info); |
| updateDisplays(mShowing); |
| } |
| |
| @Override |
| public void onRoutePresentationDisplayChanged(MediaRouter router, RouteInfo info) { |
| if (DEBUG) Slog.d(TAG, "onRoutePresentationDisplayChanged: info=" + info); |
| updateDisplays(mShowing); |
| } |
| }; |
| |
| private OnDismissListener mOnDismissListener = new OnDismissListener() { |
| |
| @Override |
| public void onDismiss(DialogInterface dialog) { |
| mPresentation = null; |
| } |
| }; |
| |
| protected void updateDisplays(boolean showing) { |
| if (showing) { |
| MediaRouter.RouteInfo route = mMediaRouter.getSelectedRoute( |
| MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY); |
| boolean useDisplay = route != null |
| && route.getPlaybackType() == MediaRouter.RouteInfo.PLAYBACK_TYPE_REMOTE; |
| Display presentationDisplay = useDisplay ? route.getPresentationDisplay() : null; |
| |
| if (mPresentation != null && mPresentation.getDisplay() != presentationDisplay) { |
| if (DEBUG) Slog.v(TAG, "Display gone: " + mPresentation.getDisplay()); |
| mPresentation.dismiss(); |
| mPresentation = null; |
| } |
| |
| if (mPresentation == null && presentationDisplay != null) { |
| if (DEBUG) Slog.i(TAG, "Keyguard enabled on display: " + presentationDisplay); |
| mPresentation = new KeyguardPresentation(mContext, presentationDisplay, |
| R.style.keyguard_presentation_theme); |
| mPresentation.setOnDismissListener(mOnDismissListener); |
| try { |
| mPresentation.show(); |
| } catch (WindowManager.InvalidDisplayException ex) { |
| Slog.w(TAG, "Invalid display:", ex); |
| mPresentation = null; |
| } |
| } |
| } else { |
| if (mPresentation != null) { |
| mPresentation.dismiss(); |
| mPresentation = null; |
| } |
| } |
| } |
| |
| private final static class KeyguardPresentation extends Presentation { |
| private static final int VIDEO_SAFE_REGION = 80; // Percentage of display width & height |
| private static final int MOVE_CLOCK_TIMEOUT = 10000; // 10s |
| private View mClock; |
| private int mUsableWidth; |
| private int mUsableHeight; |
| private int mMarginTop; |
| private int mMarginLeft; |
| Runnable mMoveTextRunnable = new Runnable() { |
| @Override |
| public void run() { |
| int x = mMarginLeft + (int) (Math.random() * (mUsableWidth - mClock.getWidth())); |
| int y = mMarginTop + (int) (Math.random() * (mUsableHeight - mClock.getHeight())); |
| mClock.setTranslationX(x); |
| mClock.setTranslationY(y); |
| mClock.postDelayed(mMoveTextRunnable, MOVE_CLOCK_TIMEOUT); |
| } |
| }; |
| |
| public KeyguardPresentation(Context context, Display display, int theme) { |
| super(context, display, theme); |
| getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| } |
| |
| @Override |
| public void onDetachedFromWindow() { |
| mClock.removeCallbacks(mMoveTextRunnable); |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| Point p = new Point(); |
| getDisplay().getSize(p); |
| mUsableWidth = VIDEO_SAFE_REGION * p.x/100; |
| mUsableHeight = VIDEO_SAFE_REGION * p.y/100; |
| mMarginLeft = (100 - VIDEO_SAFE_REGION) * p.x / 200; |
| mMarginTop = (100 - VIDEO_SAFE_REGION) * p.y / 200; |
| |
| setContentView(R.layout.keyguard_presentation); |
| mClock = findViewById(R.id.clock); |
| |
| // Avoid screen burn in |
| mClock.post(mMoveTextRunnable); |
| } |
| } |
| } |