Merge "Clean up lock screen interface code" into cm-11.0 (e6d41f7e) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/cyanogenmod/LockscreenInterface.java

+54 −48

Original line number	Original line	Diff line number	Diff line
	@@ -17,7 +17,6 @@
	package com.android.settings.cyanogenmod;		package com.android.settings.cyanogenmod;

	import android.app.ActivityManager;		import android.app.ActivityManager;
	import android.app.admin.DeviceAdminReceiver;
	import android.app.admin.DevicePolicyManager;		import android.app.admin.DevicePolicyManager;
	import android.content.Context;		import android.content.Context;
	import android.os.Bundle;		import android.os.Bundle;
	@@ -35,77 +34,62 @@ import com.android.settings.SettingsPreferenceFragment;
	import com.android.settings.Utils;		import com.android.settings.Utils;

	public class LockscreenInterface extends SettingsPreferenceFragment {		public class LockscreenInterface extends SettingsPreferenceFragment {
	private static final String TAG = "LockscreenInterface";

			private static final String LOCKSCREEN_WIDGETS_CATEGORY = "lockscreen_widgets_category";
	private static final String KEY_ENABLE_WIDGETS = "keyguard_enable_widgets";		private static final String KEY_ENABLE_WIDGETS = "keyguard_enable_widgets";
	private static final String KEY_LOCK_CLOCK = "lock_clock";		private static final String KEY_LOCK_CLOCK = "lock_clock";
	private static final String LOCKSCREEN_WIDGETS_CATEGORY = "lockscreen_widgets_category";

	private CheckBoxPreference mEnableKeyguardWidgets;		private CheckBoxPreference mEnableKeyguardWidgets;

	private ChooseLockSettingsHelper mChooseLockSettingsHelper;		private ChooseLockSettingsHelper mChooseLockSettingsHelper;
			private LockPatternUtils mLockUtils;
	private DevicePolicyManager mDPM;		private DevicePolicyManager mDPM;
	private boolean mIsPrimary;

	@Override		@Override
	public void onCreate(Bundle savedInstanceState) {		public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);		super.onCreate(savedInstanceState);
			addPreferencesFromResource(R.xml.lockscreen_interface_settings);

	mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());		mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());
			mLockUtils = mChooseLockSettingsHelper.utils();
	mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);		mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);

	addPreferencesFromResource(R.xml.lockscreen_interface_settings);		// Find categories
	PreferenceCategory widgetsCategory = (PreferenceCategory) findPreference(LOCKSCREEN_WIDGETS_CATEGORY);		PreferenceCategory widgetsCategory = (PreferenceCategory)
			findPreference(LOCKSCREEN_WIDGETS_CATEGORY);
	// Only add if device has LockClock installed
	if (!isPackageInstalled("com.cyanogenmod.lockclock")) {
	widgetsCategory.removePreference(findPreference(KEY_LOCK_CLOCK));
	}

	// Determine which user is logged in		// Find preferences
	mIsPrimary = UserHandle.myUserId() == UserHandle.USER_OWNER;
	if (mIsPrimary) {
	// Its the primary user, show all the settings
	if (!Utils.isPhone(getActivity())) {
	if (widgetsCategory != null) {
	widgetsCategory.removePreference(
	findPreference(Settings.System.LOCKSCREEN_MAXIMIZE_WIDGETS));
	}
	}

	} else {
	// Secondary user is logged in, remove all primary user specific preferences
	}

	// This applies to all users
	// Enable or disable keyguard widget checkbox based on DPM state
	mEnableKeyguardWidgets = (CheckBoxPreference) findPreference(KEY_ENABLE_WIDGETS);		mEnableKeyguardWidgets = (CheckBoxPreference) findPreference(KEY_ENABLE_WIDGETS);
	if (mEnableKeyguardWidgets != null) {
			// Remove/disable custom widgets based on device RAM and policy
	if (ActivityManager.isLowRamDeviceStatic()) {		if (ActivityManager.isLowRamDeviceStatic()) {
	/\|\| mLockPatternUtils.isLockScreenDisabled()) {/
	// Widgets take a lot of RAM, so disable them on low-memory devices		// Widgets take a lot of RAM, so disable them on low-memory devices
	if (widgetsCategory != null) {
	widgetsCategory.removePreference(findPreference(KEY_ENABLE_WIDGETS));		widgetsCategory.removePreference(findPreference(KEY_ENABLE_WIDGETS));
	mEnableKeyguardWidgets = null;		mEnableKeyguardWidgets = null;
	}
	} else {		} else {
	final boolean disabled = (0 != (mDPM.getKeyguardDisabledFeatures(null)		checkDisabledByPolicy(mEnableKeyguardWidgets,
	& DevicePolicyManager.KEYGUARD_DISABLE_WIDGETS_ALL));		DevicePolicyManager.KEYGUARD_DISABLE_WIDGETS_ALL);
	if (disabled) {
	mEnableKeyguardWidgets.setSummary(
	R.string.security_enable_widgets_disabled_summary);
	}		}
	mEnableKeyguardWidgets.setEnabled(!disabled);
			// Remove cLock settings item if not installed
			if (!isPackageInstalled("com.cyanogenmod.lockclock")) {
			widgetsCategory.removePreference(findPreference(KEY_LOCK_CLOCK));
	}		}

			// Remove maximize widgets on tablets
			if (!Utils.isPhone(getActivity())) {
			widgetsCategory.removePreference(
			findPreference(Settings.System.LOCKSCREEN_MAXIMIZE_WIDGETS));
	}		}
	}		}

	@Override		@Override
	public void onResume() {		public void onResume() {
	super.onResume();		super.onResume();
	final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
			// Update custom widgets
	if (mEnableKeyguardWidgets != null) {		if (mEnableKeyguardWidgets != null) {
	mEnableKeyguardWidgets.setChecked(lockPatternUtils.getWidgetsEnabled());		mEnableKeyguardWidgets.setChecked(mLockUtils.getWidgetsEnabled());
	}		}
	}		}

	@@ -113,15 +97,37 @@ public class LockscreenInterface extends SettingsPreferenceFragment {
	public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {		public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
	final String key = preference.getKey();		final String key = preference.getKey();

	final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
	if (KEY_ENABLE_WIDGETS.equals(key)) {		if (KEY_ENABLE_WIDGETS.equals(key)) {
	lockPatternUtils.setWidgetsEnabled(mEnableKeyguardWidgets.isChecked());		mLockUtils.setWidgetsEnabled(mEnableKeyguardWidgets.isChecked());
	return true;		return true;
	}		}

	return super.onPreferenceTreeClick(preferenceScreen, preference);		return super.onPreferenceTreeClick(preferenceScreen, preference);
	}		}

	public static class DeviceAdminLockscreenReceiver extends DeviceAdminReceiver {}		/**
			* Checks if a specific policy is disabled by a device administrator, and disables the
			* provided preference if so.
			* @param preference Preference
			* @param feature Feature
			*/
			private void checkDisabledByPolicy(Preference preference, int feature) {
			boolean disabled = featureIsDisabled(feature);

			if (disabled) {
			preference.setSummary(R.string.security_enable_widgets_disabled_summary);
			}

			preference.setEnabled(!disabled);
			}

			/**
			* Checks if a specific policy is disabled by a device administrator.
			* @param feature Feature
			* @return Is disabled
			*/
			private boolean featureIsDisabled(int feature) {
			return (mDPM.getKeyguardDisabledFeatures(null) & feature) != 0;
			}

	}		}