| /* |
| * Copyright (C) 2012 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.server.display; |
| |
| import android.app.ActivityThread; |
| import android.content.res.Resources; |
| import com.android.server.LocalServices; |
| import com.android.server.lights.Light; |
| import com.android.server.lights.LightsManager; |
| |
| import android.content.Context; |
| import android.hardware.sidekick.SidekickInternal; |
| import android.os.Build; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.PowerManager; |
| import android.os.SystemProperties; |
| import android.os.Trace; |
| import android.text.TextUtils; |
| import android.util.PathParser; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.view.Display; |
| import android.view.DisplayCutout; |
| import android.view.DisplayEventReceiver; |
| import android.view.Surface; |
| import android.view.SurfaceControl; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * A display adapter for the local displays managed by Surface Flinger. |
| * <p> |
| * Display adapters are guarded by the {@link DisplayManagerService.SyncRoot} lock. |
| * </p> |
| */ |
| final class LocalDisplayAdapter extends DisplayAdapter { |
| private static final String TAG = "LocalDisplayAdapter"; |
| private static final boolean DEBUG = false; |
| |
| private static final String UNIQUE_ID_PREFIX = "local:"; |
| |
| private static final String PROPERTY_EMULATOR_CIRCULAR = "ro.emulator.circular"; |
| |
| private static final int[] BUILT_IN_DISPLAY_IDS_TO_SCAN = new int[] { |
| SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN, |
| SurfaceControl.BUILT_IN_DISPLAY_ID_HDMI, |
| }; |
| |
| private final SparseArray<LocalDisplayDevice> mDevices = |
| new SparseArray<LocalDisplayDevice>(); |
| @SuppressWarnings("unused") // Becomes active at instantiation time. |
| private HotplugDisplayEventReceiver mHotplugReceiver; |
| |
| // Called with SyncRoot lock held. |
| public LocalDisplayAdapter(DisplayManagerService.SyncRoot syncRoot, |
| Context context, Handler handler, Listener listener) { |
| super(syncRoot, context, handler, listener, TAG); |
| } |
| |
| @Override |
| public void registerLocked() { |
| super.registerLocked(); |
| |
| mHotplugReceiver = new HotplugDisplayEventReceiver(getHandler().getLooper()); |
| |
| for (int builtInDisplayId : BUILT_IN_DISPLAY_IDS_TO_SCAN) { |
| tryConnectDisplayLocked(builtInDisplayId); |
| } |
| } |
| |
| private void tryConnectDisplayLocked(int builtInDisplayId) { |
| IBinder displayToken = SurfaceControl.getBuiltInDisplay(builtInDisplayId); |
| if (displayToken != null) { |
| SurfaceControl.PhysicalDisplayInfo[] configs = |
| SurfaceControl.getDisplayConfigs(displayToken); |
| if (configs == null) { |
| // There are no valid configs for this device, so we can't use it |
| Slog.w(TAG, "No valid configs found for display device " + |
| builtInDisplayId); |
| return; |
| } |
| int activeConfig = SurfaceControl.getActiveConfig(displayToken); |
| if (activeConfig < 0) { |
| // There is no active config, and for now we don't have the |
| // policy to set one. |
| Slog.w(TAG, "No active config found for display device " + |
| builtInDisplayId); |
| return; |
| } |
| int activeColorMode = SurfaceControl.getActiveColorMode(displayToken); |
| if (activeColorMode < 0) { |
| // We failed to get the active color mode. We don't bail out here since on the next |
| // configuration pass we'll go ahead and set it to whatever it was set to last (or |
| // COLOR_MODE_NATIVE if this is the first configuration). |
| Slog.w(TAG, "Unable to get active color mode for display device " + |
| builtInDisplayId); |
| activeColorMode = Display.COLOR_MODE_INVALID; |
| } |
| int[] colorModes = SurfaceControl.getDisplayColorModes(displayToken); |
| LocalDisplayDevice device = mDevices.get(builtInDisplayId); |
| if (device == null) { |
| // Display was added. |
| device = new LocalDisplayDevice(displayToken, builtInDisplayId, |
| configs, activeConfig, colorModes, activeColorMode); |
| mDevices.put(builtInDisplayId, device); |
| sendDisplayDeviceEventLocked(device, DISPLAY_DEVICE_EVENT_ADDED); |
| } else if (device.updatePhysicalDisplayInfoLocked(configs, activeConfig, |
| colorModes, activeColorMode)) { |
| // Display properties changed. |
| sendDisplayDeviceEventLocked(device, DISPLAY_DEVICE_EVENT_CHANGED); |
| } |
| } else { |
| // The display is no longer available. Ignore the attempt to add it. |
| // If it was connected but has already been disconnected, we'll get a |
| // disconnect event that will remove it from mDevices. |
| } |
| } |
| |
| private void tryDisconnectDisplayLocked(int builtInDisplayId) { |
| LocalDisplayDevice device = mDevices.get(builtInDisplayId); |
| if (device != null) { |
| // Display was removed. |
| mDevices.remove(builtInDisplayId); |
| sendDisplayDeviceEventLocked(device, DISPLAY_DEVICE_EVENT_REMOVED); |
| } |
| } |
| |
| static int getPowerModeForState(int state) { |
| switch (state) { |
| case Display.STATE_OFF: |
| return SurfaceControl.POWER_MODE_OFF; |
| case Display.STATE_DOZE: |
| return SurfaceControl.POWER_MODE_DOZE; |
| case Display.STATE_DOZE_SUSPEND: |
| return SurfaceControl.POWER_MODE_DOZE_SUSPEND; |
| case Display.STATE_ON_SUSPEND: |
| return SurfaceControl.POWER_MODE_ON_SUSPEND; |
| default: |
| return SurfaceControl.POWER_MODE_NORMAL; |
| } |
| } |
| |
| private final class LocalDisplayDevice extends DisplayDevice { |
| private final int mBuiltInDisplayId; |
| private final Light mBacklight; |
| private final SparseArray<DisplayModeRecord> mSupportedModes = new SparseArray<>(); |
| private final ArrayList<Integer> mSupportedColorModes = new ArrayList<>(); |
| |
| private DisplayDeviceInfo mInfo; |
| private boolean mHavePendingChanges; |
| private int mState = Display.STATE_UNKNOWN; |
| private int mBrightness = PowerManager.BRIGHTNESS_DEFAULT; |
| private int mActivePhysIndex; |
| private int mDefaultModeId; |
| private int mActiveModeId; |
| private boolean mActiveModeInvalid; |
| private int mActiveColorMode; |
| private boolean mActiveColorModeInvalid; |
| private Display.HdrCapabilities mHdrCapabilities; |
| private boolean mSidekickActive; |
| private SidekickInternal mSidekickInternal; |
| |
| private SurfaceControl.PhysicalDisplayInfo mDisplayInfos[]; |
| |
| public LocalDisplayDevice(IBinder displayToken, int builtInDisplayId, |
| SurfaceControl.PhysicalDisplayInfo[] physicalDisplayInfos, int activeDisplayInfo, |
| int[] colorModes, int activeColorMode) { |
| super(LocalDisplayAdapter.this, displayToken, UNIQUE_ID_PREFIX + builtInDisplayId); |
| mBuiltInDisplayId = builtInDisplayId; |
| updatePhysicalDisplayInfoLocked(physicalDisplayInfos, activeDisplayInfo, |
| colorModes, activeColorMode); |
| updateColorModesLocked(colorModes, activeColorMode); |
| mSidekickInternal = LocalServices.getService(SidekickInternal.class); |
| if (mBuiltInDisplayId == SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN) { |
| LightsManager lights = LocalServices.getService(LightsManager.class); |
| mBacklight = lights.getLight(LightsManager.LIGHT_ID_BACKLIGHT); |
| } else { |
| mBacklight = null; |
| } |
| mHdrCapabilities = SurfaceControl.getHdrCapabilities(displayToken); |
| } |
| |
| @Override |
| public boolean hasStableUniqueId() { |
| return true; |
| } |
| |
| public boolean updatePhysicalDisplayInfoLocked( |
| SurfaceControl.PhysicalDisplayInfo[] physicalDisplayInfos, int activeDisplayInfo, |
| int[] colorModes, int activeColorMode) { |
| mDisplayInfos = Arrays.copyOf(physicalDisplayInfos, physicalDisplayInfos.length); |
| mActivePhysIndex = activeDisplayInfo; |
| // Build an updated list of all existing modes. |
| ArrayList<DisplayModeRecord> records = new ArrayList<DisplayModeRecord>(); |
| boolean modesAdded = false; |
| for (int i = 0; i < physicalDisplayInfos.length; i++) { |
| SurfaceControl.PhysicalDisplayInfo info = physicalDisplayInfos[i]; |
| // First, check to see if we've already added a matching mode. Since not all |
| // configuration options are exposed via Display.Mode, it's possible that we have |
| // multiple PhysicalDisplayInfos that would generate the same Display.Mode. |
| boolean existingMode = false; |
| for (int j = 0; j < records.size(); j++) { |
| if (records.get(j).hasMatchingMode(info)) { |
| existingMode = true; |
| break; |
| } |
| } |
| if (existingMode) { |
| continue; |
| } |
| // If we haven't already added a mode for this configuration to the new set of |
| // supported modes then check to see if we have one in the prior set of supported |
| // modes to reuse. |
| DisplayModeRecord record = findDisplayModeRecord(info); |
| if (record == null) { |
| record = new DisplayModeRecord(info); |
| modesAdded = true; |
| } |
| records.add(record); |
| } |
| |
| // Get the currently active mode |
| DisplayModeRecord activeRecord = null; |
| for (int i = 0; i < records.size(); i++) { |
| DisplayModeRecord record = records.get(i); |
| if (record.hasMatchingMode(physicalDisplayInfos[activeDisplayInfo])){ |
| activeRecord = record; |
| break; |
| } |
| } |
| // Check whether surface flinger spontaneously changed modes out from under us. Schedule |
| // traversals to ensure that the correct state is reapplied if necessary. |
| if (mActiveModeId != 0 |
| && mActiveModeId != activeRecord.mMode.getModeId()) { |
| mActiveModeInvalid = true; |
| sendTraversalRequestLocked(); |
| } |
| |
| boolean recordsChanged = records.size() != mSupportedModes.size() || modesAdded; |
| // If the records haven't changed then we're done here. |
| if (!recordsChanged) { |
| return false; |
| } |
| // Update the index of modes. |
| mHavePendingChanges = true; |
| |
| mSupportedModes.clear(); |
| for (DisplayModeRecord record : records) { |
| mSupportedModes.put(record.mMode.getModeId(), record); |
| } |
| // Update the default mode, if needed. |
| if (findDisplayInfoIndexLocked(mDefaultModeId) < 0) { |
| if (mDefaultModeId != 0) { |
| Slog.w(TAG, "Default display mode no longer available, using currently" |
| + " active mode as default."); |
| } |
| mDefaultModeId = activeRecord.mMode.getModeId(); |
| } |
| // Determine whether the active mode is still there. |
| if (mSupportedModes.indexOfKey(mActiveModeId) < 0) { |
| if (mActiveModeId != 0) { |
| Slog.w(TAG, "Active display mode no longer available, reverting to default" |
| + " mode."); |
| } |
| mActiveModeId = mDefaultModeId; |
| mActiveModeInvalid = true; |
| } |
| |
| // Schedule traversals so that we apply pending changes. |
| sendTraversalRequestLocked(); |
| return true; |
| } |
| |
| private boolean updateColorModesLocked(int[] colorModes, |
| int activeColorMode) { |
| List<Integer> pendingColorModes = new ArrayList<>(); |
| |
| if (colorModes == null) return false; |
| // Build an updated list of all existing color modes. |
| boolean colorModesAdded = false; |
| for (int colorMode: colorModes) { |
| if (!mSupportedColorModes.contains(colorMode)) { |
| colorModesAdded = true; |
| } |
| pendingColorModes.add(colorMode); |
| } |
| |
| boolean colorModesChanged = |
| pendingColorModes.size() != mSupportedColorModes.size() |
| || colorModesAdded; |
| |
| // If the supported color modes haven't changed then we're done here. |
| if (!colorModesChanged) { |
| return false; |
| } |
| |
| mHavePendingChanges = true; |
| |
| mSupportedColorModes.clear(); |
| mSupportedColorModes.addAll(pendingColorModes); |
| Collections.sort(mSupportedColorModes); |
| |
| // Determine whether the active color mode is still there. |
| if (!mSupportedColorModes.contains(mActiveColorMode)) { |
| if (mActiveColorMode != 0) { |
| Slog.w(TAG, "Active color mode no longer available, reverting" |
| + " to default mode."); |
| mActiveColorMode = Display.COLOR_MODE_DEFAULT; |
| mActiveColorModeInvalid = true; |
| } else { |
| if (!mSupportedColorModes.isEmpty()) { |
| // This should never happen. |
| Slog.e(TAG, "Default and active color mode is no longer available!" |
| + " Reverting to first available mode."); |
| mActiveColorMode = mSupportedColorModes.get(0); |
| mActiveColorModeInvalid = true; |
| } else { |
| // This should really never happen. |
| Slog.e(TAG, "No color modes available!"); |
| } |
| } |
| } |
| return true; |
| } |
| |
| private DisplayModeRecord findDisplayModeRecord(SurfaceControl.PhysicalDisplayInfo info) { |
| for (int i = 0; i < mSupportedModes.size(); i++) { |
| DisplayModeRecord record = mSupportedModes.valueAt(i); |
| if (record.hasMatchingMode(info)) { |
| return record; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void applyPendingDisplayDeviceInfoChangesLocked() { |
| if (mHavePendingChanges) { |
| mInfo = null; |
| mHavePendingChanges = false; |
| } |
| } |
| |
| @Override |
| public DisplayDeviceInfo getDisplayDeviceInfoLocked() { |
| if (mInfo == null) { |
| SurfaceControl.PhysicalDisplayInfo phys = mDisplayInfos[mActivePhysIndex]; |
| mInfo = new DisplayDeviceInfo(); |
| mInfo.width = phys.width; |
| mInfo.height = phys.height; |
| mInfo.modeId = mActiveModeId; |
| mInfo.defaultModeId = mDefaultModeId; |
| mInfo.supportedModes = new Display.Mode[mSupportedModes.size()]; |
| for (int i = 0; i < mSupportedModes.size(); i++) { |
| DisplayModeRecord record = mSupportedModes.valueAt(i); |
| mInfo.supportedModes[i] = record.mMode; |
| } |
| mInfo.colorMode = mActiveColorMode; |
| mInfo.supportedColorModes = |
| new int[mSupportedColorModes.size()]; |
| for (int i = 0; i < mSupportedColorModes.size(); i++) { |
| mInfo.supportedColorModes[i] = mSupportedColorModes.get(i); |
| } |
| mInfo.hdrCapabilities = mHdrCapabilities; |
| mInfo.appVsyncOffsetNanos = phys.appVsyncOffsetNanos; |
| mInfo.presentationDeadlineNanos = phys.presentationDeadlineNanos; |
| mInfo.state = mState; |
| mInfo.uniqueId = getUniqueId(); |
| |
| // Assume that all built-in displays that have secure output (eg. HDCP) also |
| // support compositing from gralloc protected buffers. |
| if (phys.secure) { |
| mInfo.flags = DisplayDeviceInfo.FLAG_SECURE |
| | DisplayDeviceInfo.FLAG_SUPPORTS_PROTECTED_BUFFERS; |
| } |
| |
| final Resources res = getOverlayContext().getResources(); |
| if (mBuiltInDisplayId == SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN) { |
| mInfo.name = res.getString( |
| com.android.internal.R.string.display_manager_built_in_display_name); |
| mInfo.flags |= DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY |
| | DisplayDeviceInfo.FLAG_ROTATES_WITH_CONTENT; |
| if (res.getBoolean(com.android.internal.R.bool.config_mainBuiltInDisplayIsRound) |
| || (Build.IS_EMULATOR |
| && SystemProperties.getBoolean(PROPERTY_EMULATOR_CIRCULAR, false))) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_ROUND; |
| } |
| mInfo.displayCutout = DisplayCutout.fromResources(res, mInfo.width, |
| mInfo.height); |
| mInfo.type = Display.TYPE_BUILT_IN; |
| mInfo.densityDpi = (int)(phys.density * 160 + 0.5f); |
| mInfo.xDpi = phys.xDpi; |
| mInfo.yDpi = phys.yDpi; |
| mInfo.touch = DisplayDeviceInfo.TOUCH_INTERNAL; |
| } else { |
| mInfo.displayCutout = null; |
| mInfo.type = Display.TYPE_HDMI; |
| mInfo.flags |= DisplayDeviceInfo.FLAG_PRESENTATION; |
| mInfo.name = getContext().getResources().getString( |
| com.android.internal.R.string.display_manager_hdmi_display_name); |
| mInfo.touch = DisplayDeviceInfo.TOUCH_EXTERNAL; |
| mInfo.setAssumedDensityForExternalDisplay(phys.width, phys.height); |
| |
| // For demonstration purposes, allow rotation of the external display. |
| // In the future we might allow the user to configure this directly. |
| if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) { |
| mInfo.rotation = Surface.ROTATION_270; |
| } |
| |
| // For demonstration purposes, allow rotation of the external display |
| // to follow the built-in display. |
| if (SystemProperties.getBoolean("persist.demo.hdmirotates", false)) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_ROTATES_WITH_CONTENT; |
| } |
| |
| if (!res.getBoolean( |
| com.android.internal.R.bool.config_localDisplaysMirrorContent)) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_OWN_CONTENT_ONLY; |
| } |
| |
| if (res.getBoolean(com.android.internal.R.bool.config_localDisplaysPrivate)) { |
| mInfo.flags |= DisplayDeviceInfo.FLAG_PRIVATE; |
| } |
| } |
| } |
| return mInfo; |
| } |
| |
| @Override |
| public Runnable requestDisplayStateLocked(final int state, final int brightness) { |
| // Assume that the brightness is off if the display is being turned off. |
| assert state != Display.STATE_OFF || brightness == PowerManager.BRIGHTNESS_OFF; |
| |
| final boolean stateChanged = (mState != state); |
| final boolean brightnessChanged = (mBrightness != brightness) && mBacklight != null; |
| if (stateChanged || brightnessChanged) { |
| final int displayId = mBuiltInDisplayId; |
| final IBinder token = getDisplayTokenLocked(); |
| final int oldState = mState; |
| |
| if (stateChanged) { |
| mState = state; |
| updateDeviceInfoLocked(); |
| } |
| |
| if (brightnessChanged) { |
| mBrightness = brightness; |
| } |
| |
| // Defer actually setting the display state until after we have exited |
| // the critical section since it can take hundreds of milliseconds |
| // to complete. |
| return new Runnable() { |
| @Override |
| public void run() { |
| // Exit a suspended state before making any changes. |
| int currentState = oldState; |
| if (Display.isSuspendedState(oldState) |
| || oldState == Display.STATE_UNKNOWN) { |
| if (!Display.isSuspendedState(state)) { |
| setDisplayState(state); |
| currentState = state; |
| } else if (state == Display.STATE_DOZE_SUSPEND |
| || oldState == Display.STATE_DOZE_SUSPEND) { |
| setDisplayState(Display.STATE_DOZE); |
| currentState = Display.STATE_DOZE; |
| } else if (state == Display.STATE_ON_SUSPEND |
| || oldState == Display.STATE_ON_SUSPEND) { |
| setDisplayState(Display.STATE_ON); |
| currentState = Display.STATE_ON; |
| } else { |
| return; // old state and new state is off |
| } |
| } |
| |
| // If the state change was from or to VR, then we need to tell the light |
| // so that it can apply appropriate VR brightness settings. Also, update the |
| // brightness so the state is propogated to light. |
| boolean vrModeChange = false; |
| if ((state == Display.STATE_VR || currentState == Display.STATE_VR) && |
| currentState != state) { |
| setVrMode(state == Display.STATE_VR); |
| vrModeChange = true; |
| } |
| |
| |
| // Apply brightness changes given that we are in a non-suspended state. |
| if (brightnessChanged || vrModeChange) { |
| setDisplayBrightness(brightness); |
| } |
| |
| // Enter the final desired state, possibly suspended. |
| if (state != currentState) { |
| setDisplayState(state); |
| } |
| } |
| |
| private void setVrMode(boolean isVrEnabled) { |
| if (DEBUG) { |
| Slog.d(TAG, "setVrMode(" |
| + "id=" + displayId |
| + ", state=" + Display.stateToString(state) + ")"); |
| } |
| mBacklight.setVrMode(isVrEnabled); |
| } |
| |
| private void setDisplayState(int state) { |
| if (DEBUG) { |
| Slog.d(TAG, "setDisplayState(" |
| + "id=" + displayId |
| + ", state=" + Display.stateToString(state) + ")"); |
| } |
| |
| // We must tell sidekick to stop controlling the display before we |
| // can change its power mode, so do that first. |
| if (mSidekickActive) { |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, |
| "SidekickInternal#endDisplayControl"); |
| try { |
| mSidekickInternal.endDisplayControl(); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| mSidekickActive = false; |
| } |
| final int mode = getPowerModeForState(state); |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "setDisplayState(" |
| + "id=" + displayId |
| + ", state=" + Display.stateToString(state) + ")"); |
| try { |
| SurfaceControl.setDisplayPowerMode(token, mode); |
| Trace.traceCounter(Trace.TRACE_TAG_POWER, "DisplayPowerMode", mode); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| // If we're entering a suspended (but not OFF) power state and we |
| // have a sidekick available, tell it now that it can take control. |
| if (Display.isSuspendedState(state) && state != Display.STATE_OFF |
| && mSidekickInternal != null && !mSidekickActive) { |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, |
| "SidekickInternal#startDisplayControl"); |
| try { |
| mSidekickActive = mSidekickInternal.startDisplayControl(state); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| } |
| |
| private void setDisplayBrightness(int brightness) { |
| if (DEBUG) { |
| Slog.d(TAG, "setDisplayBrightness(" |
| + "id=" + displayId + ", brightness=" + brightness + ")"); |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "setDisplayBrightness(" |
| + "id=" + displayId + ", brightness=" + brightness + ")"); |
| try { |
| mBacklight.setBrightness(brightness); |
| Trace.traceCounter(Trace.TRACE_TAG_POWER, |
| "ScreenBrightness", brightness); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| }; |
| } |
| return null; |
| } |
| |
| @Override |
| public void requestDisplayModesLocked(int colorMode, int modeId) { |
| if (requestModeLocked(modeId) || |
| requestColorModeLocked(colorMode)) { |
| updateDeviceInfoLocked(); |
| } |
| } |
| |
| @Override |
| public void onOverlayChangedLocked() { |
| updateDeviceInfoLocked(); |
| } |
| |
| public boolean requestModeLocked(int modeId) { |
| if (modeId == 0) { |
| modeId = mDefaultModeId; |
| } else if (mSupportedModes.indexOfKey(modeId) < 0) { |
| Slog.w(TAG, "Requested mode " + modeId + " is not supported by this display," |
| + " reverting to default display mode."); |
| modeId = mDefaultModeId; |
| } |
| |
| int physIndex = findDisplayInfoIndexLocked(modeId); |
| if (physIndex < 0) { |
| Slog.w(TAG, "Requested mode ID " + modeId + " not available," |
| + " trying with default mode ID"); |
| modeId = mDefaultModeId; |
| physIndex = findDisplayInfoIndexLocked(modeId); |
| } |
| if (mActivePhysIndex == physIndex) { |
| return false; |
| } |
| SurfaceControl.setActiveConfig(getDisplayTokenLocked(), physIndex); |
| mActivePhysIndex = physIndex; |
| mActiveModeId = modeId; |
| mActiveModeInvalid = false; |
| return true; |
| } |
| |
| public boolean requestColorModeLocked(int colorMode) { |
| if (mActiveColorMode == colorMode) { |
| return false; |
| } |
| if (!mSupportedColorModes.contains(colorMode)) { |
| Slog.w(TAG, "Unable to find color mode " + colorMode |
| + ", ignoring request."); |
| return false; |
| } |
| SurfaceControl.setActiveColorMode(getDisplayTokenLocked(), colorMode); |
| mActiveColorMode = colorMode; |
| mActiveColorModeInvalid = false; |
| return true; |
| } |
| |
| @Override |
| public void dumpLocked(PrintWriter pw) { |
| super.dumpLocked(pw); |
| pw.println("mBuiltInDisplayId=" + mBuiltInDisplayId); |
| pw.println("mActivePhysIndex=" + mActivePhysIndex); |
| pw.println("mActiveModeId=" + mActiveModeId); |
| pw.println("mActiveColorMode=" + mActiveColorMode); |
| pw.println("mState=" + Display.stateToString(mState)); |
| pw.println("mBrightness=" + mBrightness); |
| pw.println("mBacklight=" + mBacklight); |
| pw.println("mDisplayInfos="); |
| for (int i = 0; i < mDisplayInfos.length; i++) { |
| pw.println(" " + mDisplayInfos[i]); |
| } |
| pw.println("mSupportedModes="); |
| for (int i = 0; i < mSupportedModes.size(); i++) { |
| pw.println(" " + mSupportedModes.valueAt(i)); |
| } |
| pw.print("mSupportedColorModes=["); |
| for (int i = 0; i < mSupportedColorModes.size(); i++) { |
| if (i != 0) { |
| pw.print(", "); |
| } |
| pw.print(mSupportedColorModes.get(i)); |
| } |
| pw.println("]"); |
| } |
| |
| private int findDisplayInfoIndexLocked(int modeId) { |
| DisplayModeRecord record = mSupportedModes.get(modeId); |
| if (record != null) { |
| for (int i = 0; i < mDisplayInfos.length; i++) { |
| SurfaceControl.PhysicalDisplayInfo info = mDisplayInfos[i]; |
| if (record.hasMatchingMode(info)){ |
| return i; |
| } |
| } |
| } |
| return -1; |
| } |
| |
| private void updateDeviceInfoLocked() { |
| mInfo = null; |
| sendDisplayDeviceEventLocked(this, DISPLAY_DEVICE_EVENT_CHANGED); |
| } |
| } |
| |
| /** Supplies a context whose Resources apply runtime-overlays */ |
| Context getOverlayContext() { |
| return ActivityThread.currentActivityThread().getSystemUiContext(); |
| } |
| |
| /** |
| * Keeps track of a display configuration. |
| */ |
| private static final class DisplayModeRecord { |
| public final Display.Mode mMode; |
| |
| public DisplayModeRecord(SurfaceControl.PhysicalDisplayInfo phys) { |
| mMode = createMode(phys.width, phys.height, phys.refreshRate); |
| } |
| |
| /** |
| * Returns whether the mode generated by the given PhysicalDisplayInfo matches the mode |
| * contained by the record modulo mode ID. |
| * |
| * Note that this doesn't necessarily mean the the PhysicalDisplayInfos are identical, just |
| * that they generate identical modes. |
| */ |
| public boolean hasMatchingMode(SurfaceControl.PhysicalDisplayInfo info) { |
| int modeRefreshRate = Float.floatToIntBits(mMode.getRefreshRate()); |
| int displayInfoRefreshRate = Float.floatToIntBits(info.refreshRate); |
| return mMode.getPhysicalWidth() == info.width |
| && mMode.getPhysicalHeight() == info.height |
| && modeRefreshRate == displayInfoRefreshRate; |
| } |
| |
| public String toString() { |
| return "DisplayModeRecord{mMode=" + mMode + "}"; |
| } |
| } |
| |
| private final class HotplugDisplayEventReceiver extends DisplayEventReceiver { |
| public HotplugDisplayEventReceiver(Looper looper) { |
| super(looper, VSYNC_SOURCE_APP); |
| } |
| |
| @Override |
| public void onHotplug(long timestampNanos, int builtInDisplayId, boolean connected) { |
| synchronized (getSyncRoot()) { |
| if (connected) { |
| tryConnectDisplayLocked(builtInDisplayId); |
| } else { |
| tryDisconnectDisplayLocked(builtInDisplayId); |
| } |
| } |
| } |
| } |
| } |
