| /* |
| * 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 known displays. |
| * <p> |
| * This object is immutable. |
| * </p> |
| * |
| * @hide |
| */ |
| public final class WifiDisplayStatus implements Parcelable { |
| private final boolean mEnabled; |
| private final int mScanState; |
| private final int mActiveDisplayState; |
| private final WifiDisplay mActiveDisplay; |
| private final WifiDisplay[] mKnownDisplays; |
| |
| public static final int SCAN_STATE_NOT_SCANNING = 0; |
| public static final int SCAN_STATE_SCANNING = 1; |
| |
| public static final int DISPLAY_STATE_NOT_CONNECTED = 0; |
| public static final int DISPLAY_STATE_CONNECTING = 1; |
| public static final int DISPLAY_STATE_CONNECTED = 2; |
| |
| public static final Creator<WifiDisplayStatus> CREATOR = new Creator<WifiDisplayStatus>() { |
| public WifiDisplayStatus createFromParcel(Parcel in) { |
| boolean enabled = (in.readInt() != 0); |
| int scanState = in.readInt(); |
| int activeDisplayState= in.readInt(); |
| |
| WifiDisplay activeDisplay = null; |
| if (in.readInt() != 0) { |
| activeDisplay = WifiDisplay.CREATOR.createFromParcel(in); |
| } |
| |
| WifiDisplay[] knownDisplays = WifiDisplay.CREATOR.newArray(in.readInt()); |
| for (int i = 0; i < knownDisplays.length; i++) { |
| knownDisplays[i] = WifiDisplay.CREATOR.createFromParcel(in); |
| } |
| |
| return new WifiDisplayStatus(enabled, scanState, activeDisplayState, |
| activeDisplay, knownDisplays); |
| } |
| |
| public WifiDisplayStatus[] newArray(int size) { |
| return new WifiDisplayStatus[size]; |
| } |
| }; |
| |
| public WifiDisplayStatus() { |
| this(false, SCAN_STATE_NOT_SCANNING, DISPLAY_STATE_NOT_CONNECTED, |
| null, WifiDisplay.EMPTY_ARRAY); |
| } |
| |
| public WifiDisplayStatus(boolean enabled, int scanState, int activeDisplayState, |
| WifiDisplay activeDisplay, WifiDisplay[] knownDisplays) { |
| if (knownDisplays == null) { |
| throw new IllegalArgumentException("knownDisplays must not be null"); |
| } |
| |
| mEnabled = enabled; |
| mScanState = scanState; |
| mActiveDisplayState = activeDisplayState; |
| mActiveDisplay = activeDisplay; |
| mKnownDisplays = knownDisplays; |
| } |
| |
| /** |
| * Returns true if the Wifi display feature is enabled and available for use. |
| * <p> |
| * The value of this property reflects whether Wifi and Wifi P2P functions |
| * are enabled. Enablement is not directly controllable by the user at this |
| * time, except indirectly such as by turning off Wifi altogether. |
| * </p> |
| */ |
| public boolean isEnabled() { |
| return mEnabled; |
| } |
| |
| /** |
| * 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 all known Wifi displays, never null. |
| */ |
| public WifiDisplay[] getKnownDisplays() { |
| return mKnownDisplays; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(mEnabled ? 1 : 0); |
| dest.writeInt(mScanState); |
| dest.writeInt(mActiveDisplayState); |
| |
| if (mActiveDisplay != null) { |
| dest.writeInt(1); |
| mActiveDisplay.writeToParcel(dest, flags); |
| } else { |
| dest.writeInt(0); |
| } |
| |
| dest.writeInt(mKnownDisplays.length); |
| for (WifiDisplay display : mKnownDisplays) { |
| display.writeToParcel(dest, flags); |
| } |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| // For debugging purposes only. |
| @Override |
| public String toString() { |
| return "WifiDisplayStatus{enabled=" + mEnabled |
| + ", scanState=" + mScanState |
| + ", activeDisplayState=" + mActiveDisplayState |
| + ", activeDisplay=" + mActiveDisplay |
| + ", knownDisplays=" + Arrays.toString(mKnownDisplays) |
| + "}"; |
| } |
| } |