| /* |
| * 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 android.hardware.display; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Describes the current global state of Wifi display connectivity, including the |
| * currently connected display and all available or remembered displays. |
| * <p> |
| * This object is immutable. |
| * </p> |
| * |
| * @hide |
| */ |
| public final class WifiDisplayStatus implements Parcelable { |
| private final int mFeatureState; |
| private final int mScanState; |
| private final int mActiveDisplayState; |
| private final WifiDisplay mActiveDisplay; |
| private final WifiDisplay[] mDisplays; |
| |
| /** Session info needed for Miracast Certification */ |
| private final WifiDisplaySessionInfo mSessionInfo; |
| |
| /** Feature state: Wifi display is not available on this device. */ |
| public static final int FEATURE_STATE_UNAVAILABLE = 0; |
| /** Feature state: Wifi display is disabled, probably because Wifi is disabled. */ |
| public static final int FEATURE_STATE_DISABLED = 1; |
| /** Feature state: Wifi display is turned off in settings. */ |
| public static final int FEATURE_STATE_OFF = 2; |
| /** Feature state: Wifi display is turned on in settings. */ |
| public static final int FEATURE_STATE_ON = 3; |
| |
| /** Scan state: Not currently scanning. */ |
| public static final int SCAN_STATE_NOT_SCANNING = 0; |
| /** Scan state: Currently scanning. */ |
| public static final int SCAN_STATE_SCANNING = 1; |
| |
| /** Display state: Not connected. */ |
| public static final int DISPLAY_STATE_NOT_CONNECTED = 0; |
| /** Display state: Connecting to active display. */ |
| public static final int DISPLAY_STATE_CONNECTING = 1; |
| /** Display state: Connected to active display. */ |
| public static final int DISPLAY_STATE_CONNECTED = 2; |
| |
| public static final Creator<WifiDisplayStatus> CREATOR = new Creator<WifiDisplayStatus>() { |
| public WifiDisplayStatus createFromParcel(Parcel in) { |
| int featureState = in.readInt(); |
| int scanState = in.readInt(); |
| int activeDisplayState= in.readInt(); |
| |
| WifiDisplay activeDisplay = null; |
| if (in.readInt() != 0) { |
| activeDisplay = WifiDisplay.CREATOR.createFromParcel(in); |
| } |
| |
| WifiDisplay[] displays = WifiDisplay.CREATOR.newArray(in.readInt()); |
| for (int i = 0; i < displays.length; i++) { |
| displays[i] = WifiDisplay.CREATOR.createFromParcel(in); |
| } |
| |
| WifiDisplaySessionInfo sessionInfo = |
| WifiDisplaySessionInfo.CREATOR.createFromParcel(in); |
| |
| return new WifiDisplayStatus(featureState, scanState, activeDisplayState, |
| activeDisplay, displays, sessionInfo); |
| } |
| |
| public WifiDisplayStatus[] newArray(int size) { |
| return new WifiDisplayStatus[size]; |
| } |
| }; |
| |
| public WifiDisplayStatus() { |
| this(FEATURE_STATE_UNAVAILABLE, SCAN_STATE_NOT_SCANNING, DISPLAY_STATE_NOT_CONNECTED, |
| null, WifiDisplay.EMPTY_ARRAY, null); |
| } |
| |
| public WifiDisplayStatus(int featureState, int scanState, int activeDisplayState, |
| WifiDisplay activeDisplay, WifiDisplay[] displays, WifiDisplaySessionInfo sessionInfo) { |
| if (displays == null) { |
| throw new IllegalArgumentException("displays must not be null"); |
| } |
| |
| mFeatureState = featureState; |
| mScanState = scanState; |
| mActiveDisplayState = activeDisplayState; |
| mActiveDisplay = activeDisplay; |
| mDisplays = displays; |
| |
| mSessionInfo = (sessionInfo != null) ? sessionInfo : new WifiDisplaySessionInfo(); |
| } |
| |
| /** |
| * Returns the state of the Wifi display feature on this device. |
| * <p> |
| * The value of this property reflects whether the device supports the Wifi display, |
| * whether it has been enabled by the user and whether the prerequisites for |
| * connecting to displays have been met. |
| * </p> |
| */ |
| public int getFeatureState() { |
| return mFeatureState; |
| } |
| |
| /** |
| * Returns the current state of the Wifi display scan. |
| * |
| * @return One of: {@link #SCAN_STATE_NOT_SCANNING} or {@link #SCAN_STATE_SCANNING}. |
| */ |
| public int getScanState() { |
| return mScanState; |
| } |
| |
| /** |
| * Get the state of the currently active display. |
| * |
| * @return One of: {@link #DISPLAY_STATE_NOT_CONNECTED}, {@link #DISPLAY_STATE_CONNECTING}, |
| * or {@link #DISPLAY_STATE_CONNECTED}. |
| */ |
| public int getActiveDisplayState() { |
| return mActiveDisplayState; |
| } |
| |
| /** |
| * Gets the Wifi display that is currently active. It may be connecting or |
| * connected. |
| */ |
| public WifiDisplay getActiveDisplay() { |
| return mActiveDisplay; |
| } |
| |
| /** |
| * Gets the list of Wifi displays, returns a combined list of all available |
| * Wifi displays as reported by the most recent scan, and all remembered |
| * Wifi displays (not necessarily available at the time). |
| */ |
| public WifiDisplay[] getDisplays() { |
| return mDisplays; |
| } |
| |
| /** |
| * Gets the Wifi display session info (required for certification only) |
| */ |
| public WifiDisplaySessionInfo getSessionInfo() { |
| return mSessionInfo; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(mFeatureState); |
| dest.writeInt(mScanState); |
| dest.writeInt(mActiveDisplayState); |
| |
| if (mActiveDisplay != null) { |
| dest.writeInt(1); |
| mActiveDisplay.writeToParcel(dest, flags); |
| } else { |
| dest.writeInt(0); |
| } |
| |
| dest.writeInt(mDisplays.length); |
| for (WifiDisplay display : mDisplays) { |
| display.writeToParcel(dest, flags); |
| } |
| |
| mSessionInfo.writeToParcel(dest, flags); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| // For debugging purposes only. |
| @Override |
| public String toString() { |
| return "WifiDisplayStatus{featureState=" + mFeatureState |
| + ", scanState=" + mScanState |
| + ", activeDisplayState=" + mActiveDisplayState |
| + ", activeDisplay=" + mActiveDisplay |
| + ", displays=" + Arrays.toString(mDisplays) |
| + ", sessionInfo=" + mSessionInfo |
| + "}"; |
| } |
| } |