ClockManager listeners receive separate ClockPlugin instances. (d8445eae) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/keyguard/clock/ClockManager.java

+147 −86

Original line number	Diff line number	Diff line
		@@ -41,6 +41,7 @@ import com.android.systemui.util.InjectionInflationController;
		import java.util.ArrayList;
		import java.util.List;
		import java.util.Map;
		import java.util.function.Supplier;

		import javax.inject.Inject;
		import javax.inject.Singleton;
		@@ -52,14 +53,9 @@ import javax.inject.Singleton;
		public final class ClockManager {

		private static final String TAG = "ClockOptsProvider";
		private static final String DEFAULT_CLOCK_ID = "default";

		private final List<ClockInfo> mClockInfos = new ArrayList<>();
		/**
		* Map from expected value stored in settings to supplier of custom clock face.
		*/
		private final Map<String, ClockPlugin> mClocks = new ArrayMap<>();
		@Nullable private ClockPlugin mCurrentClock;
		private final AvailableClocks mPreviewClocks;
		private final List<Supplier<ClockPlugin>> mBuiltinClocks = new ArrayList<>();

		private final Context mContext;
		private final ContentResolver mContentResolver;
		@@ -78,21 +74,6 @@ public final class ClockManager {
		}
		};

		private final PluginListener<ClockPlugin> mClockPluginListener =
		new PluginListener<ClockPlugin>() {
		@Override
		public void onPluginConnected(ClockPlugin plugin, Context pluginContext) {
		addClockPlugin(plugin);
		reload();
		}

		@Override
		public void onPluginDisconnected(ClockPlugin plugin) {
		removeClockPlugin(plugin);
		reload();
		}
		};

		private final PluginManager mPluginManager;

		/**
		@@ -108,13 +89,22 @@ public final class ClockManager {
		}
		};
		@Nullable private DockManager mDockManager;

		/**
		* When docked, the DOCKED_CLOCK_FACE setting will be checked for the custom clock face
		* to show.
		*/
		private boolean mIsDocked;

		private final List<ClockChangedListener> mListeners = new ArrayList<>();
		/**
		* Listeners for onClockChanged event.
		*
		* Each listener must receive a separate clock plugin instance. Otherwise, there could be
		* problems like attempting to attach a view that already has a parent. To deal with this issue,
		* each listener is associated with a collection of available clocks. When onClockChanged is
		* fired the current clock plugin instance is retrieved from that listeners available clocks.
		*/
		private final Map<ClockChangedListener, AvailableClocks> mListeners = new ArrayMap<>();

		private final int mWidth;
		private final int mHeight;
		@@ -133,14 +123,16 @@ public final class ClockManager {
		mPluginManager = pluginManager;
		mContentResolver = contentResolver;
		mSettingsWrapper = settingsWrapper;
		mPreviewClocks = new AvailableClocks();

		Resources res = context.getResources();
		LayoutInflater layoutInflater = injectionInflater.injectable(LayoutInflater.from(context));

		addClockPlugin(new DefaultClockController(res, layoutInflater, colorExtractor));
		addClockPlugin(new BubbleClockController(res, layoutInflater, colorExtractor));
		addClockPlugin(new StretchAnalogClockController(res, layoutInflater, colorExtractor));
		addClockPlugin(new TypeClockController(res, layoutInflater, colorExtractor));
		addBuiltinClock(() -> new DefaultClockController(res, layoutInflater, colorExtractor));
		addBuiltinClock(() -> new BubbleClockController(res, layoutInflater, colorExtractor));
		addBuiltinClock(() -> new StretchAnalogClockController(res, layoutInflater,
		colorExtractor));
		addBuiltinClock(() -> new TypeClockController(res, layoutInflater, colorExtractor));

		// Store the size of the display for generation of clock preview.
		DisplayMetrics dm = res.getDisplayMetrics();
		@@ -155,7 +147,12 @@ public final class ClockManager {
		if (mListeners.isEmpty()) {
		register();
		}
		mListeners.add(listener);
		AvailableClocks availableClocks = new AvailableClocks();
		for (int i = 0; i < mBuiltinClocks.size(); i++) {
		availableClocks.addClockPlugin(mBuiltinClocks.get(i).get());
		}
		mListeners.put(listener, availableClocks);
		mPluginManager.addPluginListener(availableClocks, ClockPlugin.class, true);
		reload();
		}

		@@ -163,7 +160,8 @@ public final class ClockManager {
		* Remove listener added with {@link addOnClockChangedListener}.
		*/
		public void removeOnClockChangedListener(ClockChangedListener listener) {
		mListeners.remove(listener);
		AvailableClocks availableClocks = mListeners.remove(listener);
		mPluginManager.removePluginListener(availableClocks);
		if (mListeners.isEmpty()) {
		unregister();
		}
		@@ -173,16 +171,16 @@ public final class ClockManager {
		* Get information about available clock faces.
		*/
		List<ClockInfo> getClockInfos() {
		return mClockInfos;
		return mPreviewClocks.getInfo();
		}

		/**
		* Get the current clock.
		* @returns current custom clock or null for default.
		* @return current custom clock or null for default.
		*/
		@Nullable
		ClockPlugin getCurrentClock() {
		return mCurrentClock;
		return mPreviewClocks.getCurrentClock();
		}

		@VisibleForTesting
		@@ -195,39 +193,14 @@ public final class ClockManager {
		return mContentObserver;
		}

		private void addClockPlugin(ClockPlugin plugin) {
		final String id = plugin.getClass().getName();
		mClocks.put(plugin.getClass().getName(), plugin);
		mClockInfos.add(ClockInfo.builder()
		.setName(plugin.getName())
		.setTitle(plugin.getTitle())
		.setId(id)
		.setThumbnail(() -> plugin.getThumbnail())
		.setPreview(() -> plugin.getPreview(mWidth, mHeight))
		.build());
		}

		private void removeClockPlugin(ClockPlugin plugin) {
		final String id = plugin.getClass().getName();
		mClocks.remove(id);
		for (int i = 0; i < mClockInfos.size(); i++) {
		if (id.equals(mClockInfos.get(i).getId())) {
		mClockInfos.remove(i);
		break;
		}
		}
		}

		private void notifyClockChanged(ClockPlugin plugin) {
		for (int i = 0; i < mListeners.size(); i++) {
		// It probably doesn't make sense to supply the same plugin instances to multiple
		// listeners. This should be fine for now since there is only a single listener.
		mListeners.get(i).onClockChanged(plugin);
		}
		private void addBuiltinClock(Supplier<ClockPlugin> pluginSupplier) {
		ClockPlugin plugin = pluginSupplier.get();
		mPreviewClocks.addClockPlugin(plugin);
		mBuiltinClocks.add(pluginSupplier);
		}

		private void register() {
		mPluginManager.addPluginListener(mClockPluginListener, ClockPlugin.class, true);
		mPluginManager.addPluginListener(mPreviewClocks, ClockPlugin.class, true);
		mContentResolver.registerContentObserver(
		Settings.Secure.getUriFor(Settings.Secure.LOCK_SCREEN_CUSTOM_CLOCK_FACE),
		false, mContentObserver);
		@@ -243,7 +216,7 @@ public final class ClockManager {
		}

		private void unregister() {
		mPluginManager.removePluginListener(mClockPluginListener);
		mPluginManager.removePluginListener(mPreviewClocks);
		mContentResolver.unregisterContentObserver(mContentObserver);
		if (mDockManager != null) {
		mDockManager.removeListener(mDockEventListener);
		@@ -251,17 +224,116 @@ public final class ClockManager {
		}

		private void reload() {
		mCurrentClock = getClockPlugin();
		if (mCurrentClock instanceof DefaultClockController) {
		notifyClockChanged(null);
		mPreviewClocks.reload();
		mListeners.forEach((listener, clocks) -> {
		clocks.reload();
		ClockPlugin clock = clocks.getCurrentClock();
		if (clock instanceof DefaultClockController) {
		listener.onClockChanged(null);
		} else {
		notifyClockChanged(mCurrentClock);
		listener.onClockChanged(clock);
		}
		});
		}

		/**
		* Listener for events that should cause the custom clock face to change.
		*/
		public interface ClockChangedListener {
		/**
		* Called when custom clock should change.
		*
		* @param clock Custom clock face to use. A null value indicates the default clock face.
		*/
		void onClockChanged(ClockPlugin clock);
		}

		/**
		* Collection of available clocks.
		*/
		private final class AvailableClocks implements PluginListener<ClockPlugin> {

		/**
		* Map from expected value stored in settings to plugin for custom clock face.
		*/
		private final Map<String, ClockPlugin> mClocks = new ArrayMap<>();

		/**
		* Metadata about available clocks, such as name and preview images.
		*/
		private final List<ClockInfo> mClockInfo = new ArrayList<>();

		/**
		* Active ClockPlugin.
		*/
		@Nullable private ClockPlugin mCurrentClock;

		@Override
		public void onPluginConnected(ClockPlugin plugin, Context pluginContext) {
		addClockPlugin(plugin);
		reload();
		}

		@Override
		public void onPluginDisconnected(ClockPlugin plugin) {
		removeClockPlugin(plugin);
		reload();
		}

		/**
		* Get the current clock.
		* @return current custom clock or null for default.
		*/
		@Nullable
		ClockPlugin getCurrentClock() {
		return mCurrentClock;
		}

		/**
		* Get information about available clock faces.
		*/
		List<ClockInfo> getInfo() {
		return mClockInfo;
		}

		/**
		* Adds a clock plugin to the collection of available clocks.
		*
		* @param plugin The plugin to add.
		*/
		void addClockPlugin(ClockPlugin plugin) {
		final String id = plugin.getClass().getName();
		mClocks.put(plugin.getClass().getName(), plugin);
		mClockInfo.add(ClockInfo.builder()
		.setName(plugin.getName())
		.setTitle(plugin.getTitle())
		.setId(id)
		.setThumbnail(plugin::getThumbnail)
		.setPreview(() -> plugin.getPreview(mWidth, mHeight))
		.build());
		}

		private void removeClockPlugin(ClockPlugin plugin) {
		final String id = plugin.getClass().getName();
		mClocks.remove(id);
		for (int i = 0; i < mClockInfo.size(); i++) {
		if (id.equals(mClockInfo.get(i).getId())) {
		mClockInfo.remove(i);
		break;
		}
		}
		}

		/**
		* Update the current clock.
		*/
		void reload() {
		mCurrentClock = getClockPlugin();
		}

		private ClockPlugin getClockPlugin() {
		ClockPlugin plugin = null;
		if (mIsDocked) {
		if (ClockManager.this.isDocked()) {
		final String name = mSettingsWrapper.getDockedClockFace();
		if (name != null) {
		plugin = mClocks.get(name);
		@@ -276,16 +348,5 @@ public final class ClockManager {
		}
		return plugin;
		}

		/**
		* Listener for events that should cause the custom clock face to change.
		*/
		public interface ClockChangedListener {
		/**
		* Called when custom clock should change.
		*
		* @param clock Custom clock face to use. A null value indicates the default clock face.
		*/
		void onClockChanged(ClockPlugin clock);
		}
		}

packages/SystemUI/tests/src/com/android/keyguard/clock/ClockManagerTest.java

+40 −3

Original line number	Diff line number	Diff line
		@@ -18,6 +18,8 @@ package com.android.keyguard.clock;
		import static com.google.common.truth.Truth.assertThat;

		import static org.mockito.ArgumentMatchers.any;
		import static org.mockito.Mockito.reset;
		import static org.mockito.Mockito.verify;
		import static org.mockito.Mockito.when;

		import android.content.ContentResolver;
		@@ -31,6 +33,7 @@ import com.android.systemui.SysuiTestCase;
		import com.android.systemui.colorextraction.SysuiColorExtractor;
		import com.android.systemui.dock.DockManager;
		import com.android.systemui.dock.DockManagerFake;
		import com.android.systemui.plugins.ClockPlugin;
		import com.android.systemui.shared.plugins.PluginManager;
		import com.android.systemui.util.InjectionInflationController;

		@@ -38,6 +41,7 @@ import org.junit.After;
		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.mockito.ArgumentCaptor;
		import org.mockito.Mock;
		import org.mockito.MockitoAnnotations;

		@@ -57,7 +61,8 @@ public final class ClockManagerTest extends SysuiTestCase {
		@Mock SysuiColorExtractor mMockColorExtractor;
		@Mock ContentResolver mMockContentResolver;
		@Mock SettingsWrapper mMockSettingsWrapper;
		@Mock ClockManager.ClockChangedListener mMockListener;
		@Mock ClockManager.ClockChangedListener mMockListener1;
		@Mock ClockManager.ClockChangedListener mMockListener2;

		@Before
		public void setUp() {
		@@ -73,13 +78,17 @@ public final class ClockManagerTest extends SysuiTestCase {
		mMockPluginManager, mMockColorExtractor, mMockContentResolver,
		mMockSettingsWrapper);

		mClockManager.addOnClockChangedListener(mMockListener);
		mClockManager.addOnClockChangedListener(mMockListener1);
		mClockManager.addOnClockChangedListener(mMockListener2);
		reset(mMockListener1, mMockListener2);

		mContentObserver = mClockManager.getContentObserver();
		}

		@After
		public void tearDown() {
		mClockManager.removeOnClockChangedListener(mMockListener);
		mClockManager.removeOnClockChangedListener(mMockListener1);
		mClockManager.removeOnClockChangedListener(mMockListener2);
		}

		@Test
		@@ -115,6 +124,34 @@ public final class ClockManagerTest extends SysuiTestCase {
		assertThat(mClockManager.getCurrentClock()).isInstanceOf(BUBBLE_CLOCK_CLASS);
		}

		@Test
		public void onClockChanged_customClock() {
		// GIVEN that settings is set to the bubble clock face
		when(mMockSettingsWrapper.getLockScreenCustomClockFace()).thenReturn(BUBBLE_CLOCK);
		// WHEN settings change event is fired
		mContentObserver.onChange(false);
		// THEN the plugin is the bubble clock face.
		ArgumentCaptor<ClockPlugin> captor = ArgumentCaptor.forClass(ClockPlugin.class);
		verify(mMockListener1).onClockChanged(captor.capture());
		assertThat(captor.getValue()).isInstanceOf(BUBBLE_CLOCK_CLASS);
		}

		@Test
		public void onClockChanged_uniqueInstances() {
		// GIVEN that settings is set to the bubble clock face
		when(mMockSettingsWrapper.getLockScreenCustomClockFace()).thenReturn(BUBBLE_CLOCK);
		// WHEN settings change event is fired
		mContentObserver.onChange(false);
		// THEN the listeners receive separate instances of the Bubble clock plugin.
		ArgumentCaptor<ClockPlugin> captor1 = ArgumentCaptor.forClass(ClockPlugin.class);
		ArgumentCaptor<ClockPlugin> captor2 = ArgumentCaptor.forClass(ClockPlugin.class);
		verify(mMockListener1).onClockChanged(captor1.capture());
		verify(mMockListener2).onClockChanged(captor2.capture());
		assertThat(captor1.getValue()).isInstanceOf(BUBBLE_CLOCK_CLASS);
		assertThat(captor2.getValue()).isInstanceOf(BUBBLE_CLOCK_CLASS);
		assertThat(captor1.getValue()).isNotSameAs(captor2.getValue());
		}

		@Test
		public void getCurrentClock_badSettingsValue() {
		// GIVEN that settings contains a value that doesn't correspond to a