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Fix race condition and optimize categoryUpdater refresh

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- In SettingsActivity, do not call updateCategories() if nothing
  changed.
- In SummaryLoader, create a mapping between tile key and summary. This
  is necessary to handle a race condition where category is refreshed
  after summary load.
- In DashboardSummary, refresh Tile's summary to latest cache value
  everytime category is refreshed.

Change-Id: I61389b8ba614ba7e34939325bada6e1bd6fa6709
Fix: 63149109
Test: robotests
This commit is contained in:
Fan Zhang
2017-07-05 13:46:04 -07:00
parent ff45106b49
commit aeb94f0e5c
5 changed files with 127 additions and 61 deletions
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88
src/com/android/settings/SettingsActivity.java
View File

@@ -45,7 +45,6 @@ import android.support.v7.preference.PreferenceManager;
import android.text.TextUtils;
import android.transition.TransitionManager;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
@@ -64,7 +63,6 @@ import com.android.settings.development.DevelopmentSettings;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.search.DynamicIndexableContentMonitor;
import com.android.settings.search.SearchActivity;
import com.android.settings.search.SearchFeatureProvider;
import com.android.settings.wfd.WifiDisplaySettings;
import com.android.settings.widget.SwitchBar;
import com.android.settingslib.drawer.DashboardCategory;
@@ -770,68 +768,81 @@ public class SettingsActivity extends SettingsDrawerActivity
PackageManager pm = getPackageManager();
final UserManager um = UserManager.get(this);
final boolean isAdmin = um.isAdminUser();
boolean somethingChanged = false;
String packageName = getPackageName();
setTileEnabled(new ComponentName(packageName, WifiSettingsActivity.class.getName()),
pm.hasSystemFeature(PackageManager.FEATURE_WIFI), isAdmin);
somethingChanged = setTileEnabled(
new ComponentName(packageName, WifiSettingsActivity.class.getName()),
pm.hasSystemFeature(PackageManager.FEATURE_WIFI), isAdmin) || somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.BluetoothSettingsActivity.class.getName()),
pm.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH), isAdmin);
pm.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.DataUsageSummaryActivity.class.getName()),
Utils.isBandwidthControlEnabled(), isAdmin);
Utils.isBandwidthControlEnabled(), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.SimSettingsActivity.class.getName()),
Utils.showSimCardTile(this), isAdmin);
Utils.showSimCardTile(this), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.PowerUsageSummaryActivity.class.getName()),
mBatteryPresent, isAdmin);
mBatteryPresent, isAdmin) || somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.UserSettingsActivity.class.getName()),
UserHandle.MU_ENABLED && UserManager.supportsMultipleUsers()
&& !Utils.isMonkeyRunning(), isAdmin);
&& !Utils.isMonkeyRunning(), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.NetworkDashboardActivity.class.getName()),
!UserManager.isDeviceInDemoMode(this), isAdmin);
!UserManager.isDeviceInDemoMode(this), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.ConnectedDeviceDashboardActivity.class.getName()),
!UserManager.isDeviceInDemoMode(this), isAdmin);
!UserManager.isDeviceInDemoMode(this), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.DateTimeSettingsActivity.class.getName()),
!UserManager.isDeviceInDemoMode(this), isAdmin);
!UserManager.isDeviceInDemoMode(this), isAdmin)
|| somethingChanged;
NfcAdapter adapter = NfcAdapter.getDefaultAdapter(this);
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.PaymentSettingsActivity.class.getName()),
pm.hasSystemFeature(PackageManager.FEATURE_NFC)
&& pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)
&& adapter != null && adapter.isEnabled(), isAdmin);
&& adapter != null && adapter.isEnabled(), isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.PrintSettingsActivity.class.getName()),
pm.hasSystemFeature(PackageManager.FEATURE_PRINTING), isAdmin);
pm.hasSystemFeature(PackageManager.FEATURE_PRINTING), isAdmin)
|| somethingChanged;
final boolean showDev = mDevelopmentPreferences.getBoolean(
DevelopmentSettings.PREF_SHOW, android.os.Build.TYPE.equals("eng"))
&& !um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES);
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.DevelopmentSettingsActivity.class.getName()),
showDev, isAdmin);
showDev, isAdmin)
|| somethingChanged;
// Enable/disable backup settings depending on whether the user is admin.
setTileEnabled(new ComponentName(packageName,
BackupSettingsActivity.class.getName()), true, isAdmin);
somethingChanged = setTileEnabled(new ComponentName(packageName,
BackupSettingsActivity.class.getName()), true, isAdmin)
|| somethingChanged;
setTileEnabled(new ComponentName(packageName,
somethingChanged = setTileEnabled(new ComponentName(packageName,
Settings.WifiDisplaySettingsActivity.class.getName()),
WifiDisplaySettings.isAvailable(this), isAdmin);
WifiDisplaySettings.isAvailable(this), isAdmin)
|| somethingChanged;
if (UserHandle.MU_ENABLED && !isAdmin) {
@@ -848,7 +859,8 @@ public class SettingsActivity extends SettingsDrawerActivity
SettingsGateway.SETTINGS_FOR_RESTRICTED, name);
if (packageName.equals(component.getPackageName())
&& !isEnabledForRestricted) {
setTileEnabled(component, false, isAdmin);
somethingChanged = setTileEnabled(component, false, isAdmin)
|| somethingChanged;
}
}
}
@@ -856,16 +868,24 @@ public class SettingsActivity extends SettingsDrawerActivity
}
// Final step, refresh categories.
if (somethingChanged) {
Log.d(LOG_TAG, "Enabled state changed for some tiles, reloading all categories");
updateCategories();
} else {
Log.d(LOG_TAG, "No enabled state changed, skipping updateCategory call");
}
}
private void setTileEnabled(ComponentName component, boolean enabled, boolean isAdmin) {
/**
* @return whether or not the enabled state actually changed.
*/
private boolean setTileEnabled(ComponentName component, boolean enabled, boolean isAdmin) {
if (UserHandle.MU_ENABLED && !isAdmin && getPackageName().equals(component.getPackageName())
&& !ArrayUtils.contains(SettingsGateway.SETTINGS_FOR_RESTRICTED,
component.getClassName())) {
enabled = false;
}
setTileEnabled(component, enabled);
return setTileEnabled(component, enabled);
}
private void getMetaData() {

2
src/com/android/settings/dashboard/DashboardSummary.java
View File

@@ -294,10 +294,12 @@ public class DashboardSummary extends InstrumentedFragment
final DashboardCategory category = mDashboardFeatureProvider.getTilesForCategory(
CategoryKey.CATEGORY_HOMEPAGE);
mSummaryLoader.updateSummaryToCache(category);
if (suggestions != null) {
mAdapter.setCategoriesAndSuggestions(category, suggestions);
} else {
mAdapter.setCategory(category);
}
}
}

47
src/com/android/settings/dashboard/SummaryLoader.java
View File

@@ -34,7 +34,6 @@ import android.util.Log;
import com.android.settings.SettingsActivity;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.drawer.DashboardCategory;
import com.android.settingslib.drawer.SettingsDrawerActivity;
import com.android.settingslib.drawer.Tile;
import java.lang.reflect.Field;
@@ -47,7 +46,8 @@ public class SummaryLoader {
public static final String SUMMARY_PROVIDER_FACTORY = "SUMMARY_PROVIDER_FACTORY";
private final Activity mActivity;
private final ArrayMap<SummaryProvider, ComponentName> mSummaryMap = new ArrayMap<>();
private final ArrayMap<SummaryProvider, ComponentName> mSummaryProviderMap = new ArrayMap<>();
private final ArrayMap<String, CharSequence> mSummaryTextMap = new ArrayMap<>();
private final DashboardFeatureProvider mDashboardFeatureProvider;
private final String mCategoryKey;
@@ -111,7 +111,7 @@ public class SummaryLoader {
}
public void setSummary(SummaryProvider provider, final CharSequence summary) {
final ComponentName component = mSummaryMap.get(provider);
final ComponentName component = mSummaryProviderMap.get(provider);
mHandler.post(new Runnable() {
@Override
public void run() {
@@ -142,6 +142,7 @@ public class SummaryLoader {
}
return;
}
mSummaryTextMap.put(mDashboardFeatureProvider.getDashboardKeyForTile(tile), summary);
tile.summary = summary;
if (mSummaryConsumer != null) {
mSummaryConsumer.notifySummaryChanged(tile);
@@ -223,11 +224,27 @@ public class SummaryLoader {
});
}
/**
* Updates all tile's summary to latest cached version. This is necessary to handle the case
* where category is updated after summary change.
*/
public void updateSummaryToCache(DashboardCategory category) {
if (category == null) {
return;
}
for (Tile tile : category.tiles) {
final String key = mDashboardFeatureProvider.getDashboardKeyForTile(tile);
if (mSummaryTextMap.containsKey(key)) {
tile.summary = mSummaryTextMap.get(key);
}
}
}
private synchronized void setListeningW(boolean listening) {
if (mWorkerListening == listening) return;
mWorkerListening = listening;
if (DEBUG) Log.d(TAG, "Listening " + listening);
for (SummaryProvider p : mSummaryMap.keySet()) {
for (SummaryProvider p : mSummaryProviderMap.keySet()) {
try {
p.setListening(listening);
} catch (Exception e) {
@@ -240,28 +257,10 @@ public class SummaryLoader {
SummaryProvider provider = getSummaryProvider(tile);
if (provider != null) {
if (DEBUG) Log.d(TAG, "Creating " + tile);
mSummaryMap.put(provider, tile.intent.getComponent());
mSummaryProviderMap.put(provider, tile.intent.getComponent());
}
}
private Tile getTileFromCategory(List<DashboardCategory> categories, ComponentName component) {
if (categories == null) {
if (DEBUG) {
Log.d(TAG, "Category is null, can't find tile");
}
return null;
}
final int categorySize = categories.size();
for (int i = 0; i < categorySize; i++) {
final DashboardCategory category = categories.get(i);
final Tile tile = getTileFromCategory(category, component);
if (tile != null) {
return tile;
}
}
return null;
}
private Tile getTileFromCategory(DashboardCategory category, ComponentName component) {
if (category == null || category.tiles == null) {
return null;
@@ -276,6 +275,8 @@ public class SummaryLoader {
return null;
}
public interface SummaryProvider {
void setListening(boolean listening);
}

9
tests/robotests/src/com/android/settings/dashboard/DashboardSummaryTest.java
View File

@@ -19,11 +19,12 @@ package com.android.settings.dashboard;
import android.app.Activity;
import android.support.v7.widget.LinearLayoutManager;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settings.TestConfig;
import com.android.settings.dashboard.conditional.ConditionManager;
import com.android.settings.dashboard.conditional.FocusRecyclerView;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settingslib.drawer.CategoryKey;
import com.android.settingslib.drawer.DashboardCategory;
import com.android.settingslib.drawer.Tile;
import org.junit.Before;
@@ -34,6 +35,7 @@ import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
import org.robolectric.util.ReflectionHelpers;
import static org.mockito.ArgumentMatchers.nullable;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
@@ -57,6 +59,8 @@ public class DashboardSummaryTest {
private LinearLayoutManager mLayoutManager;
@Mock
private ConditionManager mConditionManager;
@Mock
private SummaryLoader mSummaryLoader;
private DashboardSummary mSummary;
@@ -70,12 +74,15 @@ public class DashboardSummaryTest {
ReflectionHelpers.setField(mSummary, "mDashboard", mDashboard);
ReflectionHelpers.setField(mSummary, "mLayoutManager", mLayoutManager);
ReflectionHelpers.setField(mSummary, "mConditionManager", mConditionManager);
ReflectionHelpers.setField(mSummary, "mSummaryLoader", mSummaryLoader);
}
@Test
public void updateCategoryAndSuggestion_shouldGetCategoryFromFeatureProvider() {
doReturn(mock(Activity.class)).when(mSummary).getActivity();
mSummary.updateCategoryAndSuggestion(null);
verify(mSummaryLoader).updateSummaryToCache(nullable(DashboardCategory.class));
verify(mDashboardFeatureProvider).getTilesForCategory(CategoryKey.CATEGORY_HOMEPAGE);
}

38
tests/robotests/src/com/android/settings/dashboard/SummaryLoaderTest.java
View File

@@ -17,13 +17,21 @@
package com.android.settings.dashboard;
import android.app.Activity;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import android.content.Context;
import android.content.Intent;
import com.android.settings.TestConfig;
import com.android.settings.testutils.FakeFeatureFactory;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settingslib.drawer.DashboardCategory;
import com.android.settingslib.drawer.Tile;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.Robolectric;
import org.robolectric.annotation.Config;
@@ -31,18 +39,27 @@ import java.util.ArrayList;
import java.util.List;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.when;
@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class SummaryLoaderTest {
private static final String SUMMARY_1 = "summary1";
private static final String SUMMARY_2 = "summary2";
@Mock(answer = Answers.RETURNS_DEEP_STUBS)
private Context mContext;
private SummaryLoader mSummaryLoader;
private boolean mCallbackInvoked;
private Tile mTile;
private FakeFeatureFactory mFeatureFactory;
@Before
public void SetUp() {
MockitoAnnotations.initMocks(this);
mFeatureFactory = FakeFeatureFactory.setupForTest(mContext);
mTile = new Tile();
mTile.summary = SUMMARY_1;
mCallbackInvoked = false;
@@ -71,4 +88,23 @@ public class SummaryLoaderTest {
assertThat(mCallbackInvoked).isTrue();
}
@Test
public void testUpdateSummaryToCache_hasCache_shouldUpdate() {
final String testSummary = "test_summary";
final DashboardCategory category = new DashboardCategory();
final Tile tile = new Tile();
tile.key = "123";
tile.intent = new Intent();
category.addTile(tile);
when(mFeatureFactory.dashboardFeatureProvider.getDashboardKeyForTile(tile))
.thenReturn(tile.key);
mSummaryLoader.updateSummaryIfNeeded(tile, testSummary);
tile.summary = null;
mSummaryLoader.updateSummaryToCache(category);
assertThat(tile.summary).isEqualTo(testSummary);
}
}