Java Code Examples for org.chromium.components.location.LocationUtils#getInstance()

/**
 * Calculate a Physical Web state.
 * The Physical Web state includes:
 * - The location provider
 * - The location permission
 * - The bluetooth status
 * - The data connection status
 * - The Physical Web preference status
 */
public static void recordPhysicalWebState(Context context, String actionName) {
    LocationUtils locationUtils = LocationUtils.getInstance();
    handleEnum(context, createStateString(LOCATION_SERVICES, actionName),
            locationUtils.isSystemLocationSettingEnabled(context) ? 1 : 0, BOOLEAN_BOUNDARY);
    handleEnum(context, createStateString(LOCATION_PERMISSION, actionName),
            locationUtils.hasAndroidLocationPermission(context) ? 1 : 0, BOOLEAN_BOUNDARY);
    handleEnum(context, createStateString(BLUETOOTH, actionName),
            Utils.getBluetoothEnabledStatus(context), TRISTATE_BOUNDARY);
    handleEnum(context, createStateString(DATA_CONNECTION, actionName),
            Utils.isDataConnectionActive(context) ? 1 : 0, BOOLEAN_BOUNDARY);
    int preferenceState = 2;
    if (!PhysicalWeb.isOnboarding(context)) {
        preferenceState = PhysicalWeb.isPhysicalWebPreferenceEnabled(context) ? 1 : 0;
    }
    handleEnum(context, createStateString(PREFERENCE, actionName),
            preferenceState, TRISTATE_BOUNDARY);
}
 

/**
 * Start the Physical Web feature.
 * At the moment, this only enables URL discovery over BLE.
 */
public static void startPhysicalWeb() {
    // Only subscribe to Nearby if we have the location permission.
    LocationUtils locationUtils = LocationUtils.getInstance();
    if (locationUtils.hasAndroidLocationPermission()
            && locationUtils.isSystemLocationSettingEnabled()) {
        new NearbyBackgroundSubscription(NearbySubscription.SUBSCRIBE, new Runnable() {
            @Override
            public void run() {
                // We need to clear the list of nearby URLs so that they can be repopulated by
                // the new subscription, but we don't know whether we are already subscribed, so
                // we need to pass a callback so that we can clear as soon as we are
                // resubscribed.
                UrlManager.getInstance().clearNearbyUrls();
            }
        }).run();
    }
}
 

/**
 * Calculate a Physical Web state.
 * The Physical Web state includes:
 * - The location provider
 * - The location permission
 * - The bluetooth status
 * - The data connection status
 * - The Physical Web preference status
 */
public static void recordPhysicalWebState(Context context, String actionName) {
    LocationUtils locationUtils = LocationUtils.getInstance();
    handleEnum(context, createStateString(LOCATION_SERVICES, actionName),
            locationUtils.isSystemLocationSettingEnabled() ? 1 : 0, BOOLEAN_BOUNDARY);
    handleEnum(context, createStateString(LOCATION_PERMISSION, actionName),
            locationUtils.hasAndroidLocationPermission() ? 1 : 0, BOOLEAN_BOUNDARY);
    handleEnum(context, createStateString(BLUETOOTH, actionName),
            Utils.getBluetoothEnabledStatus(), TRISTATE_BOUNDARY);
    handleEnum(context, createStateString(DATA_CONNECTION, actionName),
            Utils.isDataConnectionActive() ? 1 : 0, BOOLEAN_BOUNDARY);
    int preferenceState = 2;
    if (!PhysicalWeb.isOnboarding()) {
        preferenceState = PhysicalWeb.isPhysicalWebPreferenceEnabled() ? 1 : 0;
    }
    handleEnum(context, createStateString(PREFERENCE, actionName),
            preferenceState, TRISTATE_BOUNDARY);
}
 

/**
 * Calculate a Physical Web state.
 * The Physical Web state includes:
 * - The location provider
 * - The location permission
 * - The bluetooth status
 * - The data connection status
 * - The Physical Web preference status
 */
public static void recordPhysicalWebState(String actionName) {
    LocationUtils locationUtils = LocationUtils.getInstance();
    handleEnum(createStateString(LOCATION_SERVICES, actionName),
            locationUtils.isSystemLocationSettingEnabled() ? 1 : 0, BOOLEAN_BOUNDARY);
    handleEnum(createStateString(LOCATION_PERMISSION, actionName),
            locationUtils.hasAndroidLocationPermission() ? 1 : 0, BOOLEAN_BOUNDARY);
    handleEnum(createStateString(BLUETOOTH, actionName),
            Utils.getBluetoothEnabledStatus(), TRISTATE_BOUNDARY);
    handleEnum(createStateString(DATA_CONNECTION, actionName),
            Utils.isDataConnectionActive() ? 1 : 0, BOOLEAN_BOUNDARY);
    int preferenceState = 2;
    if (!PhysicalWeb.isOnboarding()) {
        preferenceState = PhysicalWeb.isPhysicalWebPreferenceEnabled() ? 1 : 0;
    }
    handleEnum(createStateString(PREFERENCE, actionName),
            preferenceState, TRISTATE_BOUNDARY);
}
 

@CalledByNative
private static boolean canSitesRequestLocationPermission(WebContents webContents) {
    ContentViewCore cvc = ContentViewCore.fromWebContents(webContents);
    if (cvc == null) return false;
    WindowAndroid windowAndroid = cvc.getWindowAndroid();
    if (windowAndroid == null) return false;
    Context context = windowAndroid.getApplicationContext();

    LocationUtils locationUtils = LocationUtils.getInstance();
    if (!locationUtils.isSystemLocationSettingEnabled(context)) return false;

    return locationUtils.hasAndroidLocationPermission(context)
            || windowAndroid.canRequestPermission(Manifest.permission.ACCESS_FINE_LOCATION);
}
 

@Override
protected void onStart() {
    super.onStart();
    UrlManager.getInstance().addObserver(this);
    // Only connect so that we can subscribe to Nearby if we have the location permission.
    LocationUtils locationUtils = LocationUtils.getInstance();
    if (locationUtils.hasAndroidLocationPermission()
            && locationUtils.isSystemLocationSettingEnabled()) {
        mNearbyForegroundSubscription.connect();
    }
}
 

@CalledByNative
private static boolean canSitesRequestLocationPermission(WebContents webContents) {
    ContentViewCore cvc = ContentViewCore.fromWebContents(webContents);
    if (cvc == null) return false;
    WindowAndroid windowAndroid = cvc.getWindowAndroid();
    if (windowAndroid == null) return false;

    LocationUtils locationUtils = LocationUtils.getInstance();
    if (!locationUtils.isSystemLocationSettingEnabled()) return false;

    return locationUtils.hasAndroidLocationPermission()
            || windowAndroid.canRequestPermission(Manifest.permission.ACCESS_FINE_LOCATION);
}
 

/**
 * Checks if this device should have Physical Web automatically enabled.
 */
private static boolean shouldAutoEnablePhysicalWeb() {
    LocationUtils locationUtils = LocationUtils.getInstance();
    return locationUtils.isSystemLocationSettingEnabled()
            && locationUtils.hasAndroidLocationPermission()
            && TemplateUrlService.getInstance().isDefaultSearchEngineGoogle()
            && !Profile.getLastUsedProfile().isOffTheRecord();
}
 

/**
 * Examines the environment in order to decide whether we should begin or end a scan.
 */
public static void updateScans() {
    LocationUtils locationUtils = LocationUtils.getInstance();
    if (!locationUtils.hasAndroidLocationPermission()
            || !locationUtils.isSystemLocationSettingEnabled()
            || !isPhysicalWebPreferenceEnabled()) {
        new NearbyBackgroundSubscription(NearbySubscription.UNSUBSCRIBE).run();
        return;
    }

    new NearbyBackgroundSubscription(NearbySubscription.SUBSCRIBE).run();
}
 

private void appendPrerequisitesReport(StringBuilder sb) {
    boolean isSdkVersionCorrect = isSdkVersionCorrect();
    boolean isDataConnectionActive = Utils.isDataConnectionActive(mContext);
    int bluetoothStatus = Utils.getBluetoothEnabledStatus(mContext);
    LocationUtils locationUtils = LocationUtils.getInstance();
    boolean isLocationServicesEnabled = locationUtils.isSystemLocationSettingEnabled(mContext);
    boolean isLocationPermissionGranted = locationUtils.hasAndroidLocationPermission(mContext);
    boolean isPreferenceEnabled = PhysicalWeb.isPhysicalWebPreferenceEnabled(mContext);
    boolean isOnboarding = PhysicalWeb.isOnboarding(mContext);

    int prerequisitesResult = Utils.RESULT_SUCCESS;
    if (!isSdkVersionCorrect
            || !isDataConnectionActive
            || bluetoothStatus == Utils.RESULT_FAILURE
            || !isLocationServicesEnabled
            || !isLocationPermissionGranted
            || !isPreferenceEnabled) {
        prerequisitesResult = Utils.RESULT_FAILURE;
    } else if (bluetoothStatus == Utils.RESULT_INDETERMINATE) {
        prerequisitesResult = Utils.RESULT_INDETERMINATE;
    }

    sb.append("<h2>Status</h2>");

    sb.append("Physical Web is ");
    appendResult(sb, prerequisitesResult != Utils.RESULT_FAILURE, "ON", "OFF");

    sb.append("<h2>Prerequisites</h2>");

    sb.append("Android SDK version: ");
    appendResult(sb, isSdkVersionCorrect, "Compatible", "Incompatible");

    sb.append("Data connection: ");
    appendResult(sb, isDataConnectionActive, "Connected", "Not connected");

    sb.append("Location services: ");
    appendResult(sb, isLocationServicesEnabled, "Enabled", "Disabled");

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        sb.append("Location app permission: ");
        appendResult(sb, isLocationPermissionGranted, "Granted", "Not granted");
    }

    sb.append("Physical Web privacy settings: ");
    String preferenceDisabledMessage = (isOnboarding ? "Default (off)" : "Off");
    appendResult(sb, isPreferenceEnabled, "On", preferenceDisabledMessage);

    sb.append("Bluetooth: ");
    appendResult(sb, bluetoothStatus, "Enabled", "Disabled", "Unknown");

    // Append instructions for how to verify Bluetooth is enabled when we are unable to check
    // programmatically.
    if (bluetoothStatus == Utils.RESULT_INDETERMINATE) {
        sb.append("<br/>To verify Bluetooth is enabled on this device, check that the "
                + "Bluetooth icon is shown in the status bar.");
    }
}
 

private void appendPrerequisitesReport(StringBuilder sb) {
    boolean isSdkVersionCorrect = isSdkVersionCorrect();
    boolean isDataConnectionActive = Utils.isDataConnectionActive();
    int bluetoothStatus = Utils.getBluetoothEnabledStatus();
    LocationUtils locationUtils = LocationUtils.getInstance();
    boolean isLocationServicesEnabled = locationUtils.isSystemLocationSettingEnabled();
    boolean isLocationPermissionGranted = locationUtils.hasAndroidLocationPermission();
    boolean isPreferenceEnabled = PhysicalWeb.isPhysicalWebPreferenceEnabled();
    boolean isOnboarding = PhysicalWeb.isOnboarding();

    int prerequisitesResult = Utils.RESULT_SUCCESS;
    if (!isSdkVersionCorrect
            || !isDataConnectionActive
            || bluetoothStatus == Utils.RESULT_FAILURE
            || !isLocationServicesEnabled
            || !isLocationPermissionGranted
            || !isPreferenceEnabled) {
        prerequisitesResult = Utils.RESULT_FAILURE;
        mLaunchButton.setEnabled(false);
    } else if (bluetoothStatus == Utils.RESULT_INDETERMINATE) {
        prerequisitesResult = Utils.RESULT_INDETERMINATE;
        mLaunchButton.setEnabled(false);
    }

    sb.append("<h2>Status</h2>");

    sb.append("Physical Web is ");
    appendResult(sb, prerequisitesResult != Utils.RESULT_FAILURE, "ON", "OFF");

    sb.append("<h2>Prerequisites</h2>");

    sb.append("Android SDK version: ");
    appendResult(sb, isSdkVersionCorrect, "Compatible", "Incompatible");

    sb.append("Data connection: ");
    appendResult(sb, isDataConnectionActive, "Connected", "Not connected");

    sb.append("Location services: ");
    appendResult(sb, isLocationServicesEnabled, "Enabled", "Disabled");

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        sb.append("Location app permission: ");
        appendResult(sb, isLocationPermissionGranted, "Granted", "Not granted");
    }

    sb.append("Physical Web privacy settings: ");
    String preferenceDisabledMessage = (isOnboarding ? "Default (off)" : "Off");
    appendResult(sb, isPreferenceEnabled, "On", preferenceDisabledMessage);

    sb.append("Bluetooth: ");
    appendResult(sb, bluetoothStatus, "Enabled", "Disabled", "Unknown");

    // Append instructions for how to verify Bluetooth is enabled when we are unable to check
    // programmatically.
    if (bluetoothStatus == Utils.RESULT_INDETERMINATE) {
        sb.append("<br/>To verify Bluetooth is enabled on this device, check that the "
                + "Bluetooth icon is shown in the status bar.");
    }
}
 

/**
 * @return true if Chromium has permission to scan for Bluetooth devices and location services
 * are on.
 */
private boolean canScan() {
    LocationUtils locationUtils = LocationUtils.getInstance();
    return locationUtils.hasAndroidLocationPermission()
            && locationUtils.isSystemLocationSettingEnabled();
}
 

private void appendPrerequisitesReport(StringBuilder sb) {
    boolean isSdkVersionCorrect = isSdkVersionCorrect();
    boolean isDataConnectionActive = Utils.isDataConnectionActive();
    int bluetoothStatus = Utils.getBluetoothEnabledStatus();
    LocationUtils locationUtils = LocationUtils.getInstance();
    boolean isLocationServicesEnabled = locationUtils.isSystemLocationSettingEnabled();
    boolean isLocationPermissionGranted = locationUtils.hasAndroidLocationPermission();
    boolean isPreferenceEnabled = PhysicalWeb.isPhysicalWebPreferenceEnabled();
    boolean isOnboarding = PhysicalWeb.isOnboarding();

    int prerequisitesResult = Utils.RESULT_SUCCESS;
    if (!isSdkVersionCorrect
            || !isDataConnectionActive
            || bluetoothStatus == Utils.RESULT_FAILURE
            || !isLocationServicesEnabled
            || !isLocationPermissionGranted
            || !isPreferenceEnabled) {
        prerequisitesResult = Utils.RESULT_FAILURE;
        mLaunchButton.setEnabled(false);
    } else if (bluetoothStatus == Utils.RESULT_INDETERMINATE) {
        prerequisitesResult = Utils.RESULT_INDETERMINATE;
        mLaunchButton.setEnabled(false);
    }

    sb.append("<h2>Status</h2>");

    sb.append("Physical Web is ");
    appendResult(sb, prerequisitesResult != Utils.RESULT_FAILURE, "ON", "OFF");

    sb.append("<h2>Prerequisites</h2>");

    sb.append("Android SDK version: ");
    appendResult(sb, isSdkVersionCorrect, "Compatible", "Incompatible");

    sb.append("Data connection: ");
    appendResult(sb, isDataConnectionActive, "Connected", "Not connected");

    sb.append("Location services: ");
    appendResult(sb, isLocationServicesEnabled, "Enabled", "Disabled");

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        sb.append("Location app permission: ");
        appendResult(sb, isLocationPermissionGranted, "Granted", "Not granted");
    }

    sb.append("Physical Web privacy settings: ");
    String preferenceDisabledMessage = (isOnboarding ? "Default (off)" : "Off");
    appendResult(sb, isPreferenceEnabled, "On", preferenceDisabledMessage);

    sb.append("Bluetooth: ");
    appendResult(sb, bluetoothStatus, "Enabled", "Disabled", "Unknown");

    // Append instructions for how to verify Bluetooth is enabled when we are unable to check
    // programmatically.
    if (bluetoothStatus == Utils.RESULT_INDETERMINATE) {
        sb.append("<br/>To verify Bluetooth is enabled on this device, check that the "
                + "Bluetooth icon is shown in the status bar.");
    }
}