X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=src%2Fcom%2Fandroid%2Fsettings%2FRestrictedSettingsFragment.java;h=64e1e3f51b06982e207fd540f1bf0fc3e950ad93;hb=5fa0a93d3ed1ad838fd43a41f4df9703ae206345;hp=34eda1e6a3f7c83c8c675fc6b34ec9bac7332ad3;hpb=d8b606b81a5ed77d3d2cbbaa7de26853126c25d7;p=android-x86%2Fpackages-apps-Settings.git diff --git a/src/com/android/settings/RestrictedSettingsFragment.java b/src/com/android/settings/RestrictedSettingsFragment.java index 34eda1e6a3..64e1e3f51b 100644 --- a/src/com/android/settings/RestrictedSettingsFragment.java +++ b/src/com/android/settings/RestrictedSettingsFragment.java @@ -16,69 +16,62 @@ package com.android.settings; -import java.util.HashSet; - import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; +import android.content.RestrictionsManager; import android.os.Bundle; +import android.os.PersistableBundle; import android.os.UserManager; -import android.preference.CheckBoxPreference; -import android.preference.Preference; /** - * Base class for settings activities that should be pin protected when in restricted mode. + * Base class for settings screens that should be pin protected when in restricted mode. * The constructor for this class will take the restriction key that this screen should be - * locked by. If {@link UserManager.hasRestrictionsPin()} and - * {@link UserManager.hasUserRestriction(String)} returns true for the restriction key, then - * the user will have to enter the restrictions pin before seeing the Settings screen. + * locked by. If {@link RestrictionsManager.hasRestrictionsProvider()} and + * {@link UserManager.hasUserRestriction()}, then the user will have to enter the restrictions + * pin before seeing the Settings screen. * * If this settings screen should be pin protected whenever - * {@link UserManager.hasUserRestriction(String)} returns true, pass in - * {@link RESTRICTIONS_PIN_SET} to the constructor instead of a restrictions key. + * {@link RestrictionsManager.hasRestrictionsProvider()} returns true, pass in + * {@link RESTRICT_IF_OVERRIDABLE} to the constructor instead of a restrictions key. */ public class RestrictedSettingsFragment extends SettingsPreferenceFragment { - protected static final String RESTRICTIONS_PIN_SET = "restrictions_pin_set"; + protected static final String RESTRICT_IF_OVERRIDABLE = "restrict_if_overridable"; - private static final String EXTRA_PREFERENCE = "pref"; - private static final String EXTRA_CHECKBOX_STATE = "isChecked"; - // Should be unique across all settings screens that use this. + // No RestrictedSettingsFragment screens should use this number in startActivityForResult. private static final int REQUEST_PIN_CHALLENGE = 12309; private static final String KEY_CHALLENGE_SUCCEEDED = "chsc"; private static final String KEY_CHALLENGE_REQUESTED = "chrq"; - private static final String KEY_RESUME_ACTION_BUNDLE = "rsmb"; // If the restriction PIN is entered correctly. private boolean mChallengeSucceeded; private boolean mChallengeRequested; - private Bundle mResumeActionBundle; private UserManager mUserManager; + private RestrictionsManager mRestrictionsManager; private final String mRestrictionKey; - private final HashSet mProtectedByRestictionsPrefs = new HashSet(); - // Receiver to clear pin status when the screen is turned off. private BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { - mChallengeSucceeded = false; - if (shouldBePinProtected(mRestrictionKey)) { - ensurePin(null); + if (!mChallengeRequested) { + mChallengeSucceeded = false; + mChallengeRequested = false; } } }; /** * @param restrictionKey The restriction key to check before pin protecting - * this settings page. Pass in {@link RESTRICTIONS_PIN_SET} if it should - * be PIN protected whenever a restrictions pin is set. Pass in - * null if it should never be PIN protected. + * this settings page. Pass in {@link RESTRICT_IF_OVERRIDABLE} if it should + * be protected whenever a restrictions provider is set. Pass in + * null if it should never be protected. */ public RestrictedSettingsFragment(String restrictionKey) { mRestrictionKey = restrictionKey; @@ -88,24 +81,25 @@ public class RestrictedSettingsFragment extends SettingsPreferenceFragment { public void onCreate(Bundle icicle) { super.onCreate(icicle); + mRestrictionsManager = (RestrictionsManager) getSystemService(Context.RESTRICTIONS_SERVICE); mUserManager = (UserManager) getSystemService(Context.USER_SERVICE); if (icicle != null) { mChallengeSucceeded = icicle.getBoolean(KEY_CHALLENGE_SUCCEEDED, false); mChallengeRequested = icicle.getBoolean(KEY_CHALLENGE_REQUESTED, false); - mResumeActionBundle = icicle.getBundle(KEY_RESUME_ACTION_BUNDLE); } + + IntentFilter offFilter = new IntentFilter(Intent.ACTION_SCREEN_OFF); + offFilter.addAction(Intent.ACTION_USER_PRESENT); + getActivity().registerReceiver(mScreenOffReceiver, offFilter); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); - outState.putBoolean(KEY_CHALLENGE_REQUESTED, mChallengeRequested); - if (mResumeActionBundle != null) { - outState.putBundle(KEY_RESUME_ACTION_BUNDLE, mResumeActionBundle); - } if (getActivity().isChangingConfigurations()) { + outState.putBoolean(KEY_CHALLENGE_REQUESTED, mChallengeRequested); outState.putBoolean(KEY_CHALLENGE_SUCCEEDED, mChallengeSucceeded); } } @@ -113,55 +107,26 @@ public class RestrictedSettingsFragment extends SettingsPreferenceFragment { @Override public void onResume() { super.onResume(); - if (shouldBePinProtected(mRestrictionKey)) { - ensurePin(null); - } else { - // If the whole screen is not pin protected, reset mChallengeSucceeded so next - // time user uses a protected preference, they are prompted for pin again. - mChallengeSucceeded = false; + + if (shouldBeProviderProtected(mRestrictionKey)) { + ensurePin(); } - IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF); - filter.addAction(Intent.ACTION_USER_PRESENT); - getActivity().registerReceiver(mScreenOffReceiver, filter); } @Override - public void onPause() { - super.onPause(); + public void onDestroy() { getActivity().unregisterReceiver(mScreenOffReceiver); + super.onDestroy(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == REQUEST_PIN_CHALLENGE) { - Bundle resumeActionBundle = mResumeActionBundle; - mResumeActionBundle = null; - mChallengeRequested = false; if (resultCode == Activity.RESULT_OK) { mChallengeSucceeded = true; - String prefKey = resumeActionBundle == null ? - null : resumeActionBundle.getString(EXTRA_PREFERENCE); - if (prefKey != null) { - Preference pref = findPreference(prefKey); - if (pref != null) { - // Make sure the checkbox state is the same as it was when we launched the - // pin challenge. - if (pref instanceof CheckBoxPreference - && resumeActionBundle.containsKey(EXTRA_CHECKBOX_STATE)) { - boolean isChecked = - resumeActionBundle.getBoolean(EXTRA_CHECKBOX_STATE, false); - ((CheckBoxPreference)pref).setChecked(isChecked); - } - if (!onPreferenceTreeClick(getPreferenceScreen(), pref)) { - Intent prefIntent = pref.getIntent(); - if (prefIntent != null) { - pref.getContext().startActivity(prefIntent); - } - } - } - } - } else if (!isDetached()) { - finishFragment(); + mChallengeRequested = false; + } else { + mChallengeSucceeded = false; } return; } @@ -169,93 +134,54 @@ public class RestrictedSettingsFragment extends SettingsPreferenceFragment { super.onActivityResult(requestCode, resultCode, data); } - private void ensurePin(Preference preference) { - if (!mChallengeSucceeded) { - final UserManager um = UserManager.get(getActivity()); - if (!mChallengeRequested) { - if (um.hasRestrictionsChallenge()) { - mResumeActionBundle = new Bundle(); - if (preference != null) { - mResumeActionBundle.putString(EXTRA_PREFERENCE, preference.getKey()); - if (preference instanceof CheckBoxPreference) { - mResumeActionBundle.putBoolean(EXTRA_CHECKBOX_STATE, - ((CheckBoxPreference)preference).isChecked()); - } - } - Intent requestPin = new Intent(Intent.ACTION_RESTRICTIONS_CHALLENGE); - startActivityForResult(requestPin, REQUEST_PIN_CHALLENGE); - mChallengeRequested = true; - } + private void ensurePin() { + if (!mChallengeSucceeded && !mChallengeRequested + && mRestrictionsManager.hasRestrictionsProvider()) { + Intent intent = mRestrictionsManager.createLocalApprovalIntent(); + if (intent != null) { + mChallengeRequested = true; + mChallengeSucceeded = false; + PersistableBundle request = new PersistableBundle(); + request.putString(RestrictionsManager.REQUEST_KEY_MESSAGE, + getResources().getString(R.string.restr_pin_enter_admin_pin)); + intent.putExtra(RestrictionsManager.EXTRA_REQUEST_BUNDLE, request); + startActivityForResult(intent, REQUEST_PIN_CHALLENGE); } } - mChallengeSucceeded = false; } /** - * Returns true if this activity is restricted, but no restriction pin has been set. + * Returns true if this activity is restricted, but no restrictions provider has been set. * Used to determine if the settings UI should disable UI. */ - protected boolean isRestrictedAndNotPinProtected() { - if (mRestrictionKey == null || RESTRICTIONS_PIN_SET.equals(mRestrictionKey)) { + protected boolean isRestrictedAndNotProviderProtected() { + if (mRestrictionKey == null || RESTRICT_IF_OVERRIDABLE.equals(mRestrictionKey)) { return false; } return mUserManager.hasUserRestriction(mRestrictionKey) - && !mUserManager.hasRestrictionsChallenge(); + && !mRestrictionsManager.hasRestrictionsProvider(); + } + + protected boolean hasChallengeSucceeded() { + return (mChallengeRequested && mChallengeSucceeded) || !mChallengeRequested; } /** - * Called to trigger the pin entry if the given restriction key is locked down. - * @param restrictionsKey The restriction key or {@link RESTRICTIONS_PIN_SET} if - * pin entry should get triggered if there is a pin set. + * Returns true if this restrictions key is locked down. */ - protected boolean restrictionsPinCheck(String restrictionsKey, Preference preference) { - if (shouldBePinProtected(restrictionsKey) && !mChallengeSucceeded) { - ensurePin(preference); - return false; - } else { - return true; - } - } - - protected boolean hasChallengeSucceeded() { - return mChallengeSucceeded; - } - - /** - * Returns true if this restrictions key is locked down. - */ - protected boolean shouldBePinProtected(String restrictionKey) { - if (restrictionKey == null) { - return false; - } - boolean restricted = RESTRICTIONS_PIN_SET.equals(restrictionKey) - || mUserManager.hasUserRestriction(restrictionKey); - return restricted && mUserManager.hasRestrictionsChallenge(); - } - - /** - * If the preference is one that was added by protectByRestrictions(), then it will - * prompt the user for the restrictions pin if they haven't entered it already. - * Intended to be called at the top of onPreferenceTreeClick. If this function returns - * true, then onPreferenceTreeClick should return true. - */ - boolean ensurePinRestrictedPreference(Preference preference) { - return mProtectedByRestictionsPrefs.contains(preference) - && !restrictionsPinCheck(RESTRICTIONS_PIN_SET, preference); - } + protected boolean shouldBeProviderProtected(String restrictionKey) { + if (restrictionKey == null) { + return false; + } + boolean restricted = RESTRICT_IF_OVERRIDABLE.equals(restrictionKey) + || mUserManager.hasUserRestriction(mRestrictionKey); + return restricted && mRestrictionsManager.hasRestrictionsProvider(); + } /** - * Call this with any preferences that should require the PIN to be entered - * before they are accessible. + * Returns whether restricted or actionable UI elements should be removed or disabled. */ - protected void protectByRestrictions(Preference pref) { - if (pref != null) { - mProtectedByRestictionsPrefs.add(pref); - } - } - - protected void protectByRestrictions(String key) { - Preference pref = findPreference(key); - protectByRestrictions(pref); - } + protected boolean isUiRestricted() { + return isRestrictedAndNotProviderProtected() || !hasChallengeSucceeded(); + } }