| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.keyguard.clock; |
| |
| import android.annotation.Nullable; |
| import android.app.WallpaperManager; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.Config; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.provider.Settings; |
| import android.util.ArrayMap; |
| import android.util.DisplayMetrics; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.View.MeasureSpec; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.internal.colorextraction.ColorExtractor; |
| import com.android.keyguard.R; |
| import com.android.systemui.colorextraction.SysuiColorExtractor; |
| import com.android.systemui.dock.DockManager; |
| import com.android.systemui.dock.DockManager.DockEventListener; |
| import com.android.systemui.plugins.ClockPlugin; |
| 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; |
| |
| /** |
| * Manages custom clock faces for AOD and lock screen. |
| */ |
| @Singleton |
| public final class ClockManager { |
| |
| private final List<ClockInfo> mClockInfos = new ArrayList<>(); |
| /** |
| * Map from expected value stored in settings to supplier of custom clock face. |
| */ |
| private final Map<String, Supplier<ClockPlugin>> mClocks = new ArrayMap<>(); |
| @Nullable private ClockPlugin mCurrentClock; |
| |
| private final ContentResolver mContentResolver; |
| private final SettingsWrapper mSettingsWrapper; |
| /** |
| * Observe settings changes to know when to switch the clock face. |
| */ |
| private final ContentObserver mContentObserver = |
| new ContentObserver(new Handler(Looper.getMainLooper())) { |
| @Override |
| public void onChange(boolean selfChange) { |
| super.onChange(selfChange); |
| reload(); |
| } |
| }; |
| /** |
| * Observe changes to dock state to know when to switch the clock face. |
| */ |
| private final DockEventListener mDockEventListener = |
| new DockEventListener() { |
| @Override |
| public void onEvent(int event) { |
| mIsDocked = (event == DockManager.STATE_DOCKED |
| || event == DockManager.STATE_DOCKED_HIDE); |
| reload(); |
| } |
| }; |
| @Nullable private final 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<>(); |
| |
| private final SysuiColorExtractor mColorExtractor; |
| private final int mWidth; |
| private final int mHeight; |
| |
| @Inject |
| public ClockManager(Context context, InjectionInflationController injectionInflater, |
| @Nullable DockManager dockManager, SysuiColorExtractor colorExtractor) { |
| this(context, injectionInflater, dockManager, colorExtractor, context.getContentResolver(), |
| new SettingsWrapper(context.getContentResolver())); |
| } |
| |
| ClockManager(Context context, InjectionInflationController injectionInflater, |
| @Nullable DockManager dockManager, SysuiColorExtractor colorExtractor, |
| ContentResolver contentResolver, SettingsWrapper settingsWrapper) { |
| mDockManager = dockManager; |
| mColorExtractor = colorExtractor; |
| mContentResolver = contentResolver; |
| mSettingsWrapper = settingsWrapper; |
| |
| Resources res = context.getResources(); |
| mClockInfos.add(ClockInfo.builder() |
| .setName("default") |
| .setTitle(res.getString(R.string.clock_title_default)) |
| .setId("default") |
| .setThumbnail(() -> BitmapFactory.decodeResource(res, R.drawable.default_thumbnail)) |
| .setPreview(() -> BitmapFactory.decodeResource(res, R.drawable.default_preview)) |
| .build()); |
| mClockInfos.add(ClockInfo.builder() |
| .setName("bubble") |
| .setTitle(res.getString(R.string.clock_title_bubble)) |
| .setId(BubbleClockController.class.getName()) |
| .setThumbnail(() -> BitmapFactory.decodeResource(res, R.drawable.bubble_thumbnail)) |
| .setPreview(() -> getClockPreview(BubbleClockController.class.getName())) |
| .build()); |
| mClockInfos.add(ClockInfo.builder() |
| .setName("stretch") |
| .setTitle(res.getString(R.string.clock_title_stretch)) |
| .setId(StretchAnalogClockController.class.getName()) |
| .setThumbnail(() -> BitmapFactory.decodeResource(res, R.drawable.stretch_thumbnail)) |
| .setPreview(() -> getClockPreview(StretchAnalogClockController.class.getName())) |
| .build()); |
| mClockInfos.add(ClockInfo.builder() |
| .setName("type") |
| .setTitle(res.getString(R.string.clock_title_type)) |
| .setId(TypeClockController.class.getName()) |
| .setThumbnail(() -> BitmapFactory.decodeResource(res, R.drawable.type_thumbnail)) |
| .setPreview(() -> getClockPreview(TypeClockController.class.getName())) |
| .build()); |
| |
| LayoutInflater layoutInflater = injectionInflater.injectable(LayoutInflater.from(context)); |
| mClocks.put(BubbleClockController.class.getName(), |
| () -> BubbleClockController.build(layoutInflater)); |
| mClocks.put(StretchAnalogClockController.class.getName(), |
| () -> StretchAnalogClockController.build(layoutInflater)); |
| mClocks.put(TypeClockController.class.getName(), |
| () -> TypeClockController.build(layoutInflater)); |
| |
| // Store the size of the display for generation of clock preview. |
| DisplayMetrics dm = res.getDisplayMetrics(); |
| mWidth = dm.widthPixels; |
| mHeight = dm.heightPixels; |
| } |
| |
| /** |
| * Add listener to be notified when clock implementation should change. |
| */ |
| public void addOnClockChangedListener(ClockChangedListener listener) { |
| if (mListeners.isEmpty()) { |
| register(); |
| } |
| mListeners.add(listener); |
| reload(); |
| } |
| |
| /** |
| * Remove listener added with {@link addOnClockChangedListener}. |
| */ |
| public void removeOnClockChangedListener(ClockChangedListener listener) { |
| mListeners.remove(listener); |
| if (mListeners.isEmpty()) { |
| unregister(); |
| } |
| } |
| |
| /** |
| * Get information about available clock faces. |
| */ |
| List<ClockInfo> getClockInfos() { |
| return mClockInfos; |
| } |
| |
| /** |
| * Get the current clock. |
| * @returns current custom clock or null for default. |
| */ |
| @Nullable |
| ClockPlugin getCurrentClock() { |
| return mCurrentClock; |
| } |
| |
| @VisibleForTesting |
| boolean isDocked() { |
| return mIsDocked; |
| } |
| |
| @VisibleForTesting |
| ContentObserver getContentObserver() { |
| return mContentObserver; |
| } |
| |
| /** |
| * Generate a realistic preview of a clock face. |
| * @param clockId ID of clock to use for preview, should be obtained from {@link getClockInfos}. |
| * Returns null if clockId is not found. |
| */ |
| @Nullable |
| private Bitmap getClockPreview(String clockId) { |
| Supplier<ClockPlugin> supplier = mClocks.get(clockId); |
| if (supplier == null) { |
| return null; |
| } |
| ClockPlugin plugin = supplier.get(); |
| |
| // Use the big clock view for the preview |
| View clockView = plugin.getBigClockView(); |
| if (clockView == null) { |
| return null; |
| } |
| |
| // Initialize state of plugin before generating preview. |
| plugin.setDarkAmount(1f); |
| plugin.setTextColor(Color.WHITE); |
| |
| ColorExtractor.GradientColors colors = mColorExtractor.getColors(WallpaperManager.FLAG_LOCK, |
| true); |
| plugin.setColorPalette(colors.supportsDarkText(), colors.getColorPalette()); |
| plugin.dozeTimeTick(); |
| |
| // Draw clock view hierarchy to canvas. |
| Bitmap bitmap = Bitmap.createBitmap(mWidth, mHeight, Config.ARGB_8888); |
| Canvas canvas = new Canvas(bitmap); |
| clockView.measure(MeasureSpec.makeMeasureSpec(mWidth, MeasureSpec.EXACTLY), |
| MeasureSpec.makeMeasureSpec(mHeight, MeasureSpec.EXACTLY)); |
| clockView.layout(0, 0, mWidth, mHeight); |
| canvas.drawColor(Color.BLACK); |
| clockView.draw(canvas); |
| |
| return bitmap; |
| } |
| |
| 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 register() { |
| mContentResolver.registerContentObserver( |
| Settings.Secure.getUriFor(Settings.Secure.LOCK_SCREEN_CUSTOM_CLOCK_FACE), |
| false, mContentObserver); |
| mContentResolver.registerContentObserver( |
| Settings.Secure.getUriFor(Settings.Secure.DOCKED_CLOCK_FACE), |
| false, mContentObserver); |
| if (mDockManager != null) { |
| mDockManager.addListener(mDockEventListener); |
| } |
| } |
| |
| private void unregister() { |
| mContentResolver.unregisterContentObserver(mContentObserver); |
| if (mDockManager != null) { |
| mDockManager.removeListener(mDockEventListener); |
| } |
| } |
| |
| private void reload() { |
| mCurrentClock = getClockPlugin(); |
| notifyClockChanged(mCurrentClock); |
| } |
| |
| private ClockPlugin getClockPlugin() { |
| ClockPlugin plugin = null; |
| if (mIsDocked) { |
| final String name = mSettingsWrapper.getDockedClockFace(); |
| if (name != null) { |
| Supplier<ClockPlugin> supplier = mClocks.get(name); |
| if (supplier != null) { |
| plugin = supplier.get(); |
| if (plugin != null) { |
| return plugin; |
| } |
| } |
| } |
| } |
| final String name = mSettingsWrapper.getLockScreenCustomClockFace(); |
| if (name != null) { |
| Supplier<ClockPlugin> supplier = mClocks.get(name); |
| if (supplier != null) { |
| plugin = supplier.get(); |
| } |
| } |
| 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); |
| } |
| } |