| /* |
| * Copyright (C) 2014 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.media.tv; |
| |
| import android.annotation.SystemApi; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.graphics.drawable.Drawable; |
| import android.hardware.hdmi.HdmiDeviceInfo; |
| import android.net.Uri; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.SparseIntArray; |
| import android.util.Xml; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * This class is used to specify meta information of a TV input. |
| */ |
| public final class TvInputInfo implements Parcelable { |
| private static final boolean DEBUG = false; |
| private static final String TAG = "TvInputInfo"; |
| |
| // Should be in sync with frameworks/base/core/res/res/values/attrs.xml |
| /** |
| * TV input type: the TV input service is a tuner which provides channels. |
| */ |
| public static final int TYPE_TUNER = 0; |
| /** |
| * TV input type: a generic hardware TV input type. |
| */ |
| public static final int TYPE_OTHER = 1000; |
| /** |
| * TV input type: the TV input service represents a composite port. |
| */ |
| public static final int TYPE_COMPOSITE = 1001; |
| /** |
| * TV input type: the TV input service represents a SVIDEO port. |
| */ |
| public static final int TYPE_SVIDEO = 1002; |
| /** |
| * TV input type: the TV input service represents a SCART port. |
| */ |
| public static final int TYPE_SCART = 1003; |
| /** |
| * TV input type: the TV input service represents a component port. |
| */ |
| public static final int TYPE_COMPONENT = 1004; |
| /** |
| * TV input type: the TV input service represents a VGA port. |
| */ |
| public static final int TYPE_VGA = 1005; |
| /** |
| * TV input type: the TV input service represents a DVI port. |
| */ |
| public static final int TYPE_DVI = 1006; |
| /** |
| * TV input type: the TV input service is HDMI. (e.g. HDMI 1) |
| */ |
| public static final int TYPE_HDMI = 1007; |
| /** |
| * TV input type: the TV input service represents a display port. |
| */ |
| public static final int TYPE_DISPLAY_PORT = 1008; |
| |
| /** |
| * The ID of the TV input to provide to the setup activity and settings activity. |
| */ |
| public static final String EXTRA_INPUT_ID = "inputId"; |
| |
| private static SparseIntArray sHardwareTypeToTvInputType = new SparseIntArray(); |
| |
| private static final String XML_START_TAG_NAME = "tv-input"; |
| private static final String DELIMITER_INFO_IN_ID = "/"; |
| private static final String PREFIX_HDMI_DEVICE = "HDMI"; |
| private static final String PREFIX_HARDWARE_DEVICE = "HW"; |
| private static final int LENGTH_HDMI_PHYSICAL_ADDRESS = 4; |
| private static final int LENGTH_HDMI_LOGICAL_ADDRESS = 2; |
| |
| private final ResolveInfo mService; |
| private final String mId; |
| private final String mParentId; |
| |
| // Attributes from XML meta data. |
| private String mSetupActivity; |
| private String mSettingsActivity; |
| private int mType = TYPE_TUNER; |
| private String mLabel; |
| private Uri mIconUri; |
| private boolean mIsConnectedToHdmiSwitch; |
| private Uri mRatingSystemXmlUri; |
| |
| static { |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_OTHER_HARDWARE, |
| TYPE_OTHER); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_TUNER, TYPE_TUNER); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_COMPOSITE, TYPE_COMPOSITE); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_SVIDEO, TYPE_SVIDEO); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_SCART, TYPE_SCART); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_COMPONENT, TYPE_COMPONENT); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_VGA, TYPE_VGA); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_DVI, TYPE_DVI); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_HDMI, TYPE_HDMI); |
| sHardwareTypeToTvInputType.put(TvInputHardwareInfo.TV_INPUT_TYPE_DISPLAY_PORT, |
| TYPE_DISPLAY_PORT); |
| } |
| |
| /** |
| * Create a new instance of the TvInputInfo class, |
| * instantiating it from the given Context and ResolveInfo. |
| * |
| * @param service The ResolveInfo returned from the package manager about this TV input service. |
| * @hide |
| */ |
| public static TvInputInfo createTvInputInfo(Context context, ResolveInfo service) |
| throws XmlPullParserException, IOException { |
| return createTvInputInfo(context, service, generateInputIdForComponentName( |
| new ComponentName(service.serviceInfo.packageName, service.serviceInfo.name)), |
| null, TYPE_TUNER, null, null, false); |
| } |
| |
| /** |
| * Create a new instance of the TvInputInfo class, |
| * instantiating it from the given Context, ResolveInfo, and HdmiDeviceInfo. |
| * |
| * @param service The ResolveInfo returned from the package manager about this TV input service. |
| * @param deviceInfo The HdmiDeviceInfo for a HDMI CEC logical device. |
| * @param parentId The ID of this TV input's parent input. {@code null} if none exists. |
| * @param iconUri The {@link android.net.Uri} to load the icon image. |
| * {@see android.content.ContentResolver#openInputStream}. If it is null, the application |
| * icon of {@code service} will be loaded. |
| * @param label The label of this TvInputInfo. If it is null or empty, {@code service} label |
| * will be loaded. |
| * @hide |
| */ |
| @SystemApi |
| public static TvInputInfo createTvInputInfo(Context context, ResolveInfo service, |
| HdmiDeviceInfo deviceInfo, String parentId, String label, Uri iconUri) |
| throws XmlPullParserException, IOException { |
| boolean isConnectedToHdmiSwitch = (deviceInfo.getPhysicalAddress() & 0x0FFF) != 0; |
| return createTvInputInfo(context, service, generateInputIdForHdmiDevice( |
| new ComponentName(service.serviceInfo.packageName, service.serviceInfo.name), |
| deviceInfo), parentId, TYPE_HDMI, label, iconUri, isConnectedToHdmiSwitch); |
| } |
| |
| /** |
| * Create a new instance of the TvInputInfo class, |
| * instantiating it from the given Context, ResolveInfo, and TvInputHardwareInfo. |
| * |
| * @param service The ResolveInfo returned from the package manager about this TV input service. |
| * @param hardwareInfo The TvInputHardwareInfo for a TV input hardware device. |
| * @param iconUri The {@link android.net.Uri} to load the icon image. |
| * {@see android.content.ContentResolver#openInputStream}. If it is null, the application |
| * icon of {@code service} will be loaded. |
| * @param label The label of this TvInputInfo. If it is null or empty, {@code service} label |
| * will be loaded. |
| * @hide |
| */ |
| @SystemApi |
| public static TvInputInfo createTvInputInfo(Context context, ResolveInfo service, |
| TvInputHardwareInfo hardwareInfo, String label, Uri iconUri) |
| throws XmlPullParserException, IOException { |
| int inputType = sHardwareTypeToTvInputType.get(hardwareInfo.getType(), TYPE_TUNER); |
| return createTvInputInfo(context, service, generateInputIdForHardware( |
| new ComponentName(service.serviceInfo.packageName, service.serviceInfo.name), |
| hardwareInfo), null, inputType, label, iconUri, false); |
| } |
| |
| private static TvInputInfo createTvInputInfo(Context context, ResolveInfo service, |
| String id, String parentId, int inputType, String label, Uri iconUri, |
| boolean isConnectedToHdmiSwitch) |
| throws XmlPullParserException, IOException { |
| ServiceInfo si = service.serviceInfo; |
| PackageManager pm = context.getPackageManager(); |
| XmlResourceParser parser = null; |
| try { |
| parser = si.loadXmlMetaData(pm, TvInputService.SERVICE_META_DATA); |
| if (parser == null) { |
| throw new XmlPullParserException("No " + TvInputService.SERVICE_META_DATA |
| + " meta-data for " + si.name); |
| } |
| |
| Resources res = pm.getResourcesForApplication(si.applicationInfo); |
| AttributeSet attrs = Xml.asAttributeSet(parser); |
| |
| int type; |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && type != XmlPullParser.START_TAG) { |
| } |
| |
| String nodeName = parser.getName(); |
| if (!XML_START_TAG_NAME.equals(nodeName)) { |
| throw new XmlPullParserException( |
| "Meta-data does not start with tv-input-service tag in " + si.name); |
| } |
| |
| TvInputInfo input = new TvInputInfo(service, id, parentId, inputType); |
| TypedArray sa = res.obtainAttributes(attrs, |
| com.android.internal.R.styleable.TvInputService); |
| input.mSetupActivity = sa.getString( |
| com.android.internal.R.styleable.TvInputService_setupActivity); |
| if (DEBUG) { |
| Log.d(TAG, "Setup activity loaded. [" + input.mSetupActivity + "] for " + si.name); |
| } |
| input.mSettingsActivity = sa.getString( |
| com.android.internal.R.styleable.TvInputService_settingsActivity); |
| if (DEBUG) { |
| Log.d(TAG, "Settings activity loaded. [" + input.mSettingsActivity + "] for " |
| + si.name); |
| } |
| int contentRatingSystemXml = sa.getResourceId( |
| com.android.internal.R.styleable.TvInputService_contentRatingSystemXml, -1); |
| if (contentRatingSystemXml != -1) { |
| input.mRatingSystemXmlUri = new Uri.Builder() |
| .scheme(ContentResolver.SCHEME_ANDROID_RESOURCE) |
| .authority(si.packageName) |
| .appendPath(Integer.toString(contentRatingSystemXml)) |
| .build(); |
| if (DEBUG) { |
| Log.d(TAG, "Content rating xml loaded. [" + contentRatingSystemXml + "] for " |
| + si.name); |
| } |
| } |
| sa.recycle(); |
| |
| input.mLabel = label; |
| input.mIconUri = iconUri; |
| input.mIsConnectedToHdmiSwitch = isConnectedToHdmiSwitch; |
| return input; |
| } catch (NameNotFoundException e) { |
| throw new XmlPullParserException("Unable to create context for: " + si.packageName); |
| } finally { |
| if (parser != null) { |
| parser.close(); |
| } |
| } |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param service The ResolveInfo returned from the package manager about this TV input service. |
| * @param id ID of this TV input. Should be generated via generateInputId*(). |
| * @param parentId ID of this TV input's parent input. {@code null} if none exists. |
| * @param type The type of this TV input service. |
| */ |
| private TvInputInfo(ResolveInfo service, String id, String parentId, int type) { |
| mService = service; |
| mId = id; |
| mParentId = parentId; |
| mType = type; |
| } |
| |
| /** |
| * Returns a unique ID for this TV input. The ID is generated from the package and class name |
| * implementing the TV input service. |
| */ |
| public String getId() { |
| return mId; |
| } |
| |
| /** |
| * Returns the parent input ID. |
| * <p> |
| * A TV input may have a parent input if the TV input is actually a logical representation of |
| * a device behind the hardware port represented by the parent input. |
| * For example, a HDMI CEC logical device, connected to a HDMI port, appears as another TV |
| * input. In this case, the parent input of this logical device is the HDMI port. |
| * </p><p> |
| * Applications may group inputs by parent input ID to provide an easier access to inputs |
| * sharing the same physical port. In the example of HDMI CEC, logical HDMI CEC devices behind |
| * the same HDMI port have the same parent ID, which is the ID representing the port. Thus |
| * applications can group the hardware HDMI port and the logical HDMI CEC devices behind it |
| * together using this method. |
| * </p> |
| * |
| * @return the ID of the parent input, if exists. Returns {@code null} if the parent input is |
| * not specified. |
| */ |
| public String getParentId() { |
| return mParentId; |
| } |
| |
| /** |
| * Returns the information of the service that implements this TV input. |
| */ |
| public ServiceInfo getServiceInfo() { |
| return mService.serviceInfo; |
| } |
| |
| /** |
| * Returns the component of the service that implements this TV input. |
| * @hide |
| */ |
| public ComponentName getComponent() { |
| return new ComponentName(mService.serviceInfo.packageName, mService.serviceInfo.name); |
| } |
| |
| /** |
| * Returns an intent to start the setup activity for this TV input service. |
| */ |
| public Intent getIntentForSetupActivity() { |
| if (!TextUtils.isEmpty(mSetupActivity)) { |
| Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setClassName(mService.serviceInfo.packageName, mSetupActivity); |
| intent.putExtra(EXTRA_INPUT_ID, getId()); |
| return intent; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns an intent to start the settings activity for this TV input service. |
| */ |
| public Intent getIntentForSettingsActivity() { |
| if (!TextUtils.isEmpty(mSettingsActivity)) { |
| Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setClassName(mService.serviceInfo.packageName, mSettingsActivity); |
| intent.putExtra(EXTRA_INPUT_ID, getId()); |
| return intent; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the type of this TV input service. |
| */ |
| public int getType() { |
| return mType; |
| } |
| |
| /** |
| * Returns the resource uri for the rating system xml of this TV input service. |
| * @hide |
| */ |
| @SystemApi |
| public Uri getRatingSystemXmlUri() { |
| return mRatingSystemXmlUri; |
| } |
| |
| /** |
| * Returns {@code true} if this TV input is pass-though which does not have any real channels |
| * in TvProvider. {@code false} otherwise. |
| * |
| * @see TvContract#buildChannelUriForPassthroughTvInput(String) |
| */ |
| public boolean isPassthroughInputType() { |
| return mType != TYPE_TUNER; |
| } |
| |
| /** |
| * Returns {@code true}, if a CEC device for this TV input is connected to an HDMI switch, i.e., |
| * the device isn't directly connected to a HDMI port. |
| * @hide |
| */ |
| @SystemApi |
| public boolean isConnectedToHdmiSwitch() { |
| return mIsConnectedToHdmiSwitch; |
| } |
| |
| /** |
| * Checks if this TV input is marked hidden by the user in the settings. |
| * |
| * @param context Supplies a {@link Context} used to check if this TV input is hidden. |
| * @return {@code true} if the user marked this TV input hidden in settings. {@code false} |
| * otherwise. |
| * @hide |
| */ |
| @SystemApi |
| public boolean isHidden(Context context) { |
| return TvInputSettings.isHidden(context, mId, UserHandle.USER_CURRENT); |
| } |
| |
| /** |
| * Loads the user-displayed label for this TV input. |
| * |
| * @param context Supplies a {@link Context} used to load the label. |
| * @return a CharSequence containing the TV input's label. If the TV input does not have |
| * a label, its name is returned. |
| */ |
| public CharSequence loadLabel(Context context) { |
| if (TextUtils.isEmpty(mLabel)) { |
| return mService.loadLabel(context.getPackageManager()); |
| } else { |
| return mLabel; |
| } |
| } |
| |
| /** |
| * Loads the custom label set by user in settings. |
| * |
| * @param context Supplies a {@link Context} used to load the custom label. |
| * @return a CharSequence containing the TV input's custom label. {@code null} if there is no |
| * custom label. |
| * @hide |
| */ |
| @SystemApi |
| public CharSequence loadCustomLabel(Context context) { |
| return TvInputSettings.getCustomLabel(context, mId, UserHandle.USER_CURRENT); |
| } |
| |
| /** |
| * Loads the user-displayed icon for this TV input. |
| * |
| * @param context Supplies a {@link Context} used to load the icon. |
| * @return a Drawable containing the TV input's icon. If the TV input does not have |
| * an icon, application icon is returned. If it's unavailable too, system default is |
| * returned. |
| */ |
| public Drawable loadIcon(Context context) { |
| if (mIconUri == null) { |
| return loadDefaultIcon(context); |
| } |
| try (InputStream is = context.getContentResolver().openInputStream(mIconUri)) { |
| Drawable drawable = Drawable.createFromStream(is, null); |
| if (drawable == null) { |
| return loadDefaultIcon(context); |
| } |
| return drawable; |
| } catch (IOException e) { |
| Log.w(TAG, "Loading the default icon due to a failure on loading " + mIconUri, e); |
| return loadDefaultIcon(context); |
| } |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| return mId.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o == this) { |
| return true; |
| } |
| |
| if (!(o instanceof TvInputInfo)) { |
| return false; |
| } |
| |
| TvInputInfo obj = (TvInputInfo) o; |
| return mId.equals(obj.mId); |
| } |
| |
| @Override |
| public String toString() { |
| return "TvInputInfo{id=" + mId |
| + ", pkg=" + mService.serviceInfo.packageName |
| + ", service=" + mService.serviceInfo.name + "}"; |
| } |
| |
| /** |
| * Used to package this object into a {@link Parcel}. |
| * |
| * @param dest The {@link Parcel} to be written. |
| * @param flags The flags used for parceling. |
| */ |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(mId); |
| dest.writeString(mParentId); |
| mService.writeToParcel(dest, flags); |
| dest.writeString(mSetupActivity); |
| dest.writeString(mSettingsActivity); |
| dest.writeInt(mType); |
| dest.writeParcelable(mIconUri, flags); |
| dest.writeString(mLabel); |
| dest.writeByte(mIsConnectedToHdmiSwitch ? (byte) 1 : 0); |
| dest.writeParcelable(mRatingSystemXmlUri, flags); |
| } |
| |
| private Drawable loadDefaultIcon(Context context) { |
| return mService.serviceInfo.loadIcon(context.getPackageManager()); |
| } |
| |
| /** |
| * Used to generate an input id from a ComponentName. |
| * |
| * @param name the component name for generating an input id. |
| * @return the generated input id for the given {@code name}. |
| */ |
| private static final String generateInputIdForComponentName(ComponentName name) { |
| return name.flattenToShortString(); |
| } |
| |
| /** |
| * Used to generate an input id from a ComponentName and HdmiDeviceInfo. |
| * |
| * @param name the component name for generating an input id. |
| * @param deviceInfo HdmiDeviceInfo describing this TV input. |
| * @return the generated input id for the given {@code name} and {@code deviceInfo}. |
| */ |
| private static final String generateInputIdForHdmiDevice( |
| ComponentName name, HdmiDeviceInfo deviceInfo) { |
| // Example of the format : "/HDMI%04X%02X" |
| String format = String.format("%s%s%%0%sX%%0%sX", DELIMITER_INFO_IN_ID, PREFIX_HDMI_DEVICE, |
| LENGTH_HDMI_PHYSICAL_ADDRESS, LENGTH_HDMI_LOGICAL_ADDRESS); |
| return name.flattenToShortString() + String.format(format, |
| deviceInfo.getPhysicalAddress(), deviceInfo.getLogicalAddress()); |
| } |
| |
| /** |
| * Used to generate an input id from a ComponentName and TvInputHardwareInfo |
| * |
| * @param name the component name for generating an input id. |
| * @param hardwareInfo TvInputHardwareInfo describing this TV input. |
| * @return the generated input id for the given {@code name} and {@code hardwareInfo}. |
| */ |
| private static final String generateInputIdForHardware( |
| ComponentName name, TvInputHardwareInfo hardwareInfo) { |
| return name.flattenToShortString() + String.format("%s%s%d", |
| DELIMITER_INFO_IN_ID, PREFIX_HARDWARE_DEVICE, hardwareInfo.getDeviceId()); |
| } |
| |
| /** |
| * Used to make this class parcelable. |
| * @hide |
| */ |
| public static final Parcelable.Creator<TvInputInfo> CREATOR = |
| new Parcelable.Creator<TvInputInfo>() { |
| @Override |
| public TvInputInfo createFromParcel(Parcel in) { |
| return new TvInputInfo(in); |
| } |
| |
| @Override |
| public TvInputInfo[] newArray(int size) { |
| return new TvInputInfo[size]; |
| } |
| }; |
| |
| private TvInputInfo(Parcel in) { |
| mId = in.readString(); |
| mParentId = in.readString(); |
| mService = ResolveInfo.CREATOR.createFromParcel(in); |
| mSetupActivity = in.readString(); |
| mSettingsActivity = in.readString(); |
| mType = in.readInt(); |
| mIconUri = in.readParcelable(null); |
| mLabel = in.readString(); |
| mIsConnectedToHdmiSwitch = in.readByte() == 1 ? true : false; |
| mRatingSystemXmlUri = in.readParcelable(null); |
| } |
| |
| /** |
| * Utility class for putting and getting settings for TV input. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final class TvInputSettings { |
| private static final String TV_INPUT_SEPARATOR = ":"; |
| private static final String CUSTOM_NAME_SEPARATOR = ","; |
| |
| private TvInputSettings() { } |
| |
| private static boolean isHidden(Context context, String inputId, int userId) { |
| return getHiddenTvInputIds(context, userId).contains(inputId); |
| } |
| |
| private static String getCustomLabel(Context context, String inputId, int userId) { |
| for (Pair<String, String> pair : getCustomLabelList(context, userId)) { |
| if (pair.first.equals(inputId)) { |
| return pair.second; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns a list of TV input IDs which are marked as hidden by user in the settings. |
| * |
| * @param context The application context |
| * @param userId The user ID for the stored hidden input list |
| * @hide |
| */ |
| @SystemApi |
| public static List<String> getHiddenTvInputIds(Context context, int userId) { |
| String hiddenIdsString = Settings.Secure.getStringForUser( |
| context.getContentResolver(), Settings.Secure.TV_INPUT_HIDDEN_INPUTS, userId); |
| if (TextUtils.isEmpty(hiddenIdsString)) { |
| return new ArrayList<String>(); |
| } |
| String[] ids = hiddenIdsString.split(TV_INPUT_SEPARATOR); |
| return new ArrayList(Arrays.asList(ids)); |
| } |
| |
| /** |
| * Returns a list of TV input ID/custom label pairs set by the user in the settings. |
| * |
| * @param context The application context |
| * @param userId The user ID for the stored hidden input list |
| * @hide |
| */ |
| @SystemApi |
| public static List<Pair<String, String>> getCustomLabelList(Context context, int userId) { |
| String labelsString = Settings.Secure.getStringForUser( |
| context.getContentResolver(), Settings.Secure.TV_INPUT_CUSTOM_LABELS, userId); |
| List<Pair<String, String>> list = new ArrayList<Pair<String, String>>(); |
| if (TextUtils.isEmpty(labelsString)) { |
| return list; |
| } |
| String[] pairs = labelsString.split(TV_INPUT_SEPARATOR); |
| for (String pairString : pairs) { |
| String[] pair = pairString.split(CUSTOM_NAME_SEPARATOR); |
| list.add(new Pair<String, String>(pair[0], pair[1])); |
| } |
| return list; |
| } |
| |
| /** |
| * Stores a list of TV input IDs which are marked as hidden by user. This is expected to |
| * be called from the settings app. |
| * |
| * @param context The application context |
| * @param hiddenInputIds A list including all the hidden TV input IDs |
| * @param userId The user ID for the stored hidden input list |
| * @hide |
| */ |
| @SystemApi |
| public static void putHiddenTvInputList(Context context, List<String> hiddenInputIds, |
| int userId) { |
| StringBuilder builder = new StringBuilder(); |
| boolean firstItem = true; |
| for (String inputId : hiddenInputIds) { |
| ensureValidField(inputId); |
| if (firstItem) { |
| firstItem = false; |
| } else { |
| builder.append(TV_INPUT_SEPARATOR); |
| } |
| builder.append(inputId); |
| } |
| Settings.Secure.putStringForUser(context.getContentResolver(), |
| Settings.Secure.TV_INPUT_HIDDEN_INPUTS, builder.toString(), userId); |
| } |
| |
| /** |
| * Stores a list of TV input ID/custom label pairs set by user. This is expected to be |
| * called from the settings app. |
| * |
| * @param context The application context. |
| * @param customLabels A list of TV input ID/custom label pairs |
| * @param userId The user ID for the stored hidden input list |
| * @hide |
| */ |
| @SystemApi |
| public static void putCustomLabelList(Context context, |
| List<Pair<String, String>> customLabels, int userId) { |
| StringBuilder builder = new StringBuilder(); |
| boolean firstItem = true; |
| for (Pair<String, String> pair : customLabels) { |
| ensureValidField(pair.first); |
| ensureValidField(pair.second); |
| if (firstItem) { |
| firstItem = false; |
| } else { |
| builder.append(TV_INPUT_SEPARATOR); |
| } |
| builder.append(pair.first); |
| builder.append(CUSTOM_NAME_SEPARATOR); |
| builder.append(pair.second); |
| } |
| Settings.Secure.putStringForUser(context.getContentResolver(), |
| Settings.Secure.TV_INPUT_CUSTOM_LABELS, builder.toString(), userId); |
| } |
| |
| private static void ensureValidField(String value) { |
| if (TextUtils.isEmpty(value)) { |
| throw new IllegalArgumentException(value + " should not empty "); |
| } |
| if (value.contains(TV_INPUT_SEPARATOR)) { |
| throw new IllegalArgumentException(value + " should not include " |
| + TV_INPUT_SEPARATOR); |
| } |
| if (value.contains(CUSTOM_NAME_SEPARATOR)) { |
| throw new IllegalArgumentException(value + " should not include " |
| + CUSTOM_NAME_SEPARATOR); |
| } |
| } |
| } |
| } |
