| /* |
| * Copyright (C) 2022 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.internal.jank; |
| |
| import static com.android.internal.util.FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__FHD; |
| import static com.android.internal.util.FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__HD; |
| import static com.android.internal.util.FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__QHD; |
| import static com.android.internal.util.FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__SD; |
| import static com.android.internal.util.FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__UNKNOWN_RESOLUTION; |
| |
| import android.annotation.IntDef; |
| import android.annotation.Nullable; |
| import android.app.ActivityThread; |
| import android.hardware.display.DisplayManager; |
| import android.hardware.display.DisplayManagerGlobal; |
| import android.os.Handler; |
| import android.util.SparseArray; |
| import android.view.DisplayInfo; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * A class that tracks the display resolutions. |
| * @hide |
| */ |
| public class DisplayResolutionTracker { |
| private static final String TAG = DisplayResolutionTracker.class.getSimpleName(); |
| |
| public static final int RESOLUTION_UNKNOWN = |
| UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__UNKNOWN_RESOLUTION; |
| public static final int RESOLUTION_SD = |
| UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__SD; |
| public static final int RESOLUTION_HD = |
| UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__HD; |
| public static final int RESOLUTION_FHD = |
| UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__FHD; |
| public static final int RESOLUTION_QHD = |
| UIINTERACTION_FRAME_INFO_REPORTED__DISPLAY_RESOLUTION__QHD; |
| |
| /** @hide */ |
| @IntDef({ |
| RESOLUTION_UNKNOWN, |
| RESOLUTION_SD, |
| RESOLUTION_HD, |
| RESOLUTION_FHD, |
| RESOLUTION_QHD, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface Resolution { |
| } |
| |
| private final DisplayInterface mManager; |
| private final SparseArray<Integer> mResolutions = new SparseArray<>(); |
| private final Object mLock = new Object(); |
| |
| public DisplayResolutionTracker(@Nullable Handler handler) { |
| this(DisplayInterface.getDefault(handler)); |
| } |
| |
| @VisibleForTesting |
| public DisplayResolutionTracker(DisplayInterface manager) { |
| mManager = manager; |
| mManager.registerDisplayListener(new DisplayManager.DisplayListener() { |
| @Override |
| public void onDisplayAdded(int displayId) { |
| updateDisplay(displayId); |
| } |
| |
| @Override |
| public void onDisplayChanged(int displayId) { |
| updateDisplay(displayId); |
| } |
| |
| @Override |
| public void onDisplayRemoved(int displayId) { |
| // Not in the event mask below, won't be called. |
| } |
| }); |
| } |
| |
| private void updateDisplay(int displayId) { |
| DisplayInfo info = mManager.getDisplayInfo(displayId); |
| if (info == null) { |
| return; |
| } |
| @Resolution int resolution = getResolution(info); |
| |
| synchronized (mLock) { |
| mResolutions.put(displayId, resolution); |
| } |
| } |
| |
| /** |
| * Returns the (cached) resolution of the display with the given ID. |
| */ |
| @Resolution |
| public int getResolution(int displayId) { |
| return mResolutions.get(displayId, RESOLUTION_UNKNOWN); |
| } |
| |
| /** |
| * Returns the resolution of the given {@link DisplayInfo}. |
| */ |
| @VisibleForTesting |
| @Resolution |
| public static int getResolution(DisplayInfo info) { |
| int smaller = Math.min(info.logicalWidth, info.logicalHeight); |
| int larger = Math.max(info.logicalWidth, info.logicalHeight); |
| if (smaller < 720 || larger < 1280) { |
| return RESOLUTION_SD; |
| } else if (smaller < 1080 || larger < 1920) { |
| return RESOLUTION_HD; |
| } else if (smaller < 1440 || larger < 2560) { |
| return RESOLUTION_FHD; |
| } else { |
| return RESOLUTION_QHD; |
| } |
| } |
| |
| /** |
| * Wrapper around the final {@link DisplayManagerGlobal} class. |
| * @hide |
| */ |
| @VisibleForTesting |
| public interface DisplayInterface { |
| /** Reurns an implementation wrapping {@link DisplayManagerGlobal}. */ |
| static DisplayInterface getDefault(@Nullable Handler handler) { |
| DisplayManagerGlobal manager = DisplayManagerGlobal.getInstance(); |
| return new DisplayInterface() { |
| @Override |
| public void registerDisplayListener(DisplayManager.DisplayListener listener) { |
| manager.registerDisplayListener(listener, handler, |
| DisplayManager.EVENT_FLAG_DISPLAY_ADDED |
| | DisplayManager.EVENT_FLAG_DISPLAY_CHANGED, |
| ActivityThread.currentPackageName()); |
| } |
| |
| @Override |
| public DisplayInfo getDisplayInfo(int displayId) { |
| return manager.getDisplayInfo(displayId); |
| } |
| }; |
| } |
| |
| /** {@see DisplayManagerGlobal#registerDisplayListener} */ |
| void registerDisplayListener(DisplayManager.DisplayListener listener); |
| /** {@see DisplayManagerGlobal#getDisplayInfo} */ |
| DisplayInfo getDisplayInfo(int displayId); |
| } |
| } |