diff options
| -rw-r--r-- | core/java/android/animation/AnimatorInflater.java | 4 | ||||
| -rw-r--r-- | core/java/android/app/ActivityThread.java | 10 | ||||
| -rw-r--r-- | core/java/android/content/res/AssetManager.java | 1 | ||||
| -rw-r--r-- | core/java/android/content/res/ConfigurationBoundResourceCache.java | 146 | ||||
| -rw-r--r-- | core/java/android/content/res/DrawableCache.java | 57 | ||||
| -rw-r--r-- | core/java/android/content/res/Resources.java | 296 | ||||
| -rw-r--r-- | core/java/android/content/res/ThemedResourceCache.java | 233 | ||||
| -rw-r--r-- | core/jni/android_util_AssetManager.cpp | 8 | ||||
| -rw-r--r-- | include/androidfw/ResourceTypes.h | 1 | ||||
| -rw-r--r-- | libs/androidfw/ResourceTypes.cpp | 24 | ||||
| -rw-r--r-- | services/core/java/com/android/server/policy/GlobalActions.java | 2 | ||||
| -rw-r--r-- | services/java/com/android/server/SystemServer.java | 9 |
12 files changed, 501 insertions, 290 deletions
diff --git a/core/java/android/animation/AnimatorInflater.java b/core/java/android/animation/AnimatorInflater.java index 427ecce..435d5ab 100644 --- a/core/java/android/animation/AnimatorInflater.java +++ b/core/java/android/animation/AnimatorInflater.java @@ -108,7 +108,7 @@ public class AnimatorInflater { float pathErrorScale) throws NotFoundException { final ConfigurationBoundResourceCache<Animator> animatorCache = resources .getAnimatorCache(); - Animator animator = animatorCache.get(id, theme); + Animator animator = animatorCache.getInstance(id, theme); if (animator != null) { if (DBG_ANIMATOR_INFLATER) { Log.d(TAG, "loaded animator from cache, " + resources.getResourceName(id)); @@ -157,7 +157,7 @@ public class AnimatorInflater { final ConfigurationBoundResourceCache<StateListAnimator> cache = resources .getStateListAnimatorCache(); final Theme theme = context.getTheme(); - StateListAnimator animator = cache.get(id, theme); + StateListAnimator animator = cache.getInstance(id, theme); if (animator != null) { return animator; } diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java index da6d8c5..f16406a 100644 --- a/core/java/android/app/ActivityThread.java +++ b/core/java/android/app/ActivityThread.java @@ -38,6 +38,7 @@ import android.content.res.AssetManager; import android.content.res.CompatibilityInfo; import android.content.res.Configuration; import android.content.res.Resources; +import android.content.res.Resources.Theme; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteDebug; import android.database.sqlite.SQLiteDebug.DbStats; @@ -4186,9 +4187,14 @@ public final class ActivityThread { if (!mConfiguration.isOtherSeqNewer(config) && compat == null) { return; } - configDiff = mConfiguration.diff(config); - mConfiguration.updateFrom(config); + + configDiff = mConfiguration.updateFrom(config); config = applyCompatConfiguration(mCurDefaultDisplayDpi); + + final Theme systemTheme = getSystemContext().getTheme(); + if ((systemTheme.getChangingConfigurations() & configDiff) != 0) { + systemTheme.rebase(); + } } ArrayList<ComponentCallbacks2> callbacks = collectComponentCallbacks(false, config); diff --git a/core/java/android/content/res/AssetManager.java b/core/java/android/content/res/AssetManager.java index 525059f..8d96f5c 100644 --- a/core/java/android/content/res/AssetManager.java +++ b/core/java/android/content/res/AssetManager.java @@ -785,6 +785,7 @@ public final class AssetManager implements AutoCloseable { private native final void deleteTheme(long theme); /*package*/ native static final void applyThemeStyle(long theme, int styleRes, boolean force); /*package*/ native static final void copyTheme(long dest, long source); + /*package*/ native static final void clearTheme(long theme); /*package*/ native static final int loadThemeAttributeValue(long theme, int ident, TypedValue outValue, boolean resolve); diff --git a/core/java/android/content/res/ConfigurationBoundResourceCache.java b/core/java/android/content/res/ConfigurationBoundResourceCache.java index cde7e84..fecda87 100644 --- a/core/java/android/content/res/ConfigurationBoundResourceCache.java +++ b/core/java/android/content/res/ConfigurationBoundResourceCache.java @@ -1,138 +1,58 @@ /* -* Copyright (C) 2014 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 android.content.res; + * Copyright (C) 2014 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. + */ -import android.util.ArrayMap; -import android.util.LongSparseArray; -import java.lang.ref.WeakReference; +package android.content.res; /** * A Cache class which can be used to cache resource objects that are easy to clone but more * expensive to inflate. - * @hide + * + * @hide For internal use only. */ -public class ConfigurationBoundResourceCache<T> { - - private final ArrayMap<String, LongSparseArray<WeakReference<ConstantState<T>>>> mCache = - new ArrayMap<String, LongSparseArray<WeakReference<ConstantState<T>>>>(); - - final Resources mResources; +public class ConfigurationBoundResourceCache<T> extends ThemedResourceCache<ConstantState<T>> { + private final Resources mResources; /** - * Creates a Resource cache for the given Resources instance. + * Creates a cache for the given Resources instance. * - * @param resources The Resource which can be used when creating new instances. + * @param resources the resources to use when creating new instances */ public ConfigurationBoundResourceCache(Resources resources) { mResources = resources; } /** - * Adds a new item to the cache. - * - * @param key A custom key that uniquely identifies the resource. - * @param theme The Theme instance where this resource was loaded. - * @param constantState The constant state that can create new instances of the resource. + * If the resource is cached, creates and returns a new instance of it. * + * @param key a key that uniquely identifies the drawable resource + * @param theme the theme where the resource will be used + * @return a new instance of the resource, or {@code null} if not in + * the cache */ - public void put(long key, Resources.Theme theme, ConstantState<T> constantState) { - if (constantState == null) { - return; - } - final String themeKey = theme == null ? "" : theme.getKey(); - LongSparseArray<WeakReference<ConstantState<T>>> themedCache; - synchronized (this) { - themedCache = mCache.get(themeKey); - if (themedCache == null) { - themedCache = new LongSparseArray<WeakReference<ConstantState<T>>>(1); - mCache.put(themeKey, themedCache); - } - themedCache.put(key, new WeakReference<ConstantState<T>>(constantState)); - } - } - - /** - * If the resource is cached, creates a new instance of it and returns. - * - * @param key The long key which can be used to uniquely identify the resource. - * @param theme The The Theme instance where we want to load this resource. - * - * @return If this resources was loaded before, returns a new instance of it. Otherwise, returns - * null. - */ - public T get(long key, Resources.Theme theme) { - final String themeKey = theme != null ? theme.getKey() : ""; - final LongSparseArray<WeakReference<ConstantState<T>>> themedCache; - final WeakReference<ConstantState<T>> wr; - synchronized (this) { - themedCache = mCache.get(themeKey); - if (themedCache == null) { - return null; - } - wr = themedCache.get(key); - } - if (wr == null) { - return null; - } - final ConstantState entry = wr.get(); + public T getInstance(long key, Resources.Theme theme) { + final ConstantState<T> entry = get(key, theme); if (entry != null) { - return (T) entry.newInstance(mResources, theme); - } else { // our entry has been purged - synchronized (this) { - // there is a potential race condition here where this entry may be put in - // another thread. But we prefer it to minimize lock duration - themedCache.delete(key); - } + return entry.newInstance(mResources, theme); } - return null; - } - /** - * Users of ConfigurationBoundResourceCache must call this method whenever a configuration - * change happens. On this callback, the cache invalidates all resources that are not valid - * anymore. - * - * @param configChanges The configuration changes - */ - public void onConfigurationChange(final int configChanges) { - synchronized (this) { - final int size = mCache.size(); - for (int i = size - 1; i >= 0; i--) { - final LongSparseArray<WeakReference<ConstantState<T>>> - themeCache = mCache.valueAt(i); - onConfigurationChangeInt(themeCache, configChanges); - if (themeCache.size() == 0) { - mCache.removeAt(i); - } - } - } + return null; } - private void onConfigurationChangeInt( - final LongSparseArray<WeakReference<ConstantState<T>>> themeCache, - final int configChanges) { - final int size = themeCache.size(); - for (int i = size - 1; i >= 0; i--) { - final WeakReference<ConstantState<T>> wr = themeCache.valueAt(i); - final ConstantState<T> constantState = wr.get(); - if (constantState == null || Configuration.needNewResources( - configChanges, constantState.getChangingConfigurations())) { - themeCache.removeAt(i); - } - } + @Override + public boolean shouldInvalidateEntry(ConstantState<T> entry, int configChanges) { + return Configuration.needNewResources(configChanges, entry.getChangingConfigurations()); } - } diff --git a/core/java/android/content/res/DrawableCache.java b/core/java/android/content/res/DrawableCache.java new file mode 100644 index 0000000..fc70bc6 --- /dev/null +++ b/core/java/android/content/res/DrawableCache.java @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2015 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 android.content.res; + +import android.graphics.drawable.Drawable; + +/** + * Class which can be used to cache Drawable resources against a theme. + */ +class DrawableCache extends ThemedResourceCache<Drawable.ConstantState> { + private final Resources mResources; + + /** + * Creates a cache for the given Resources instance. + * + * @param resources the resources to use when creating new instances + */ + public DrawableCache(Resources resources) { + mResources = resources; + } + + /** + * If the resource is cached, creates and returns a new instance of it. + * + * @param key a key that uniquely identifies the drawable resource + * @param theme the theme where the resource will be used + * @return a new instance of the resource, or {@code null} if not in + * the cache + */ + public Drawable getInstance(long key, Resources.Theme theme) { + final Drawable.ConstantState entry = get(key, theme); + if (entry != null) { + return entry.newDrawable(mResources, theme); + } + + return null; + } + + @Override + public boolean shouldInvalidateEntry(Drawable.ConstantState entry, int configChanges) { + return false; + } +} diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java index ae41b69..1d108a2 100644 --- a/core/java/android/content/res/Resources.java +++ b/core/java/android/content/res/Resources.java @@ -20,6 +20,8 @@ import android.annotation.AttrRes; import android.annotation.ColorInt; import android.annotation.StyleRes; import android.annotation.StyleableRes; + +import com.android.internal.util.GrowingArrayUtils; import com.android.internal.util.XmlUtils; import org.xmlpull.v1.XmlPullParser; @@ -132,10 +134,8 @@ public class Resources { // These are protected by mAccessLock. private final Object mAccessLock = new Object(); private final Configuration mTmpConfig = new Configuration(); - private final ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> mDrawableCache = - new ArrayMap<>(); - private final ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> mColorDrawableCache = - new ArrayMap<>(); + private final DrawableCache mDrawableCache = new DrawableCache(this); + private final DrawableCache mColorDrawableCache = new DrawableCache(this); private final ConfigurationBoundResourceCache<ColorStateList> mColorStateListCache = new ConfigurationBoundResourceCache<>(this); private final ConfigurationBoundResourceCache<Animator> mAnimatorCache = @@ -1441,7 +1441,7 @@ public class Resources { AssetManager.applyThemeStyle(mTheme, resId, force); mThemeResId = resId; - mKey += Integer.toHexString(resId) + (force ? "! " : " "); + mKey.append(resId, force); } /** @@ -1457,7 +1457,7 @@ public class Resources { AssetManager.copyTheme(mTheme, other.mTheme); mThemeResId = other.mThemeResId; - mKey = other.mKey; + mKey.setTo(other.getKey()); } /** @@ -1765,6 +1765,9 @@ public class Resources { mTheme = mAssets.createTheme(); } + /** Unique key for the series of styles applied to this theme. */ + private final ThemeKey mKey = new ThemeKey(); + @SuppressWarnings("hiding") private final AssetManager mAssets; private final long mTheme; @@ -1772,9 +1775,6 @@ public class Resources { /** Resource identifier for the theme. */ private int mThemeResId = 0; - /** Unique key for the series of styles applied to this theme. */ - private String mKey = ""; - // Needed by layoutlib. /*package*/ long getNativeTheme() { return mTheme; @@ -1784,7 +1784,7 @@ public class Resources { return mThemeResId; } - /*package*/ String getKey() { + /*package*/ ThemeKey getKey() { return mKey; } @@ -1793,29 +1793,119 @@ public class Resources { } /** - * Parses {@link #mKey} and returns a String array that holds pairs of adjacent Theme data: - * resource name followed by whether or not it was forced, as specified by - * {@link #applyStyle(int, boolean)}. + * Parses {@link #mKey} and returns a String array that holds pairs of + * adjacent Theme data: resource name followed by whether or not it was + * forced, as specified by {@link #applyStyle(int, boolean)}. * * @hide */ @ViewDebug.ExportedProperty(category = "theme", hasAdjacentMapping = true) public String[] getTheme() { - String[] themeData = mKey.split(" "); - String[] themes = new String[themeData.length * 2]; - String theme; - boolean forced; - - for (int i = 0, j = themeData.length - 1; i < themes.length; i += 2, --j) { - theme = themeData[j]; - forced = theme.endsWith("!"); - themes[i] = forced ? - getResourceNameFromHexString(theme.substring(0, theme.length() - 1)) : - getResourceNameFromHexString(theme); + final int N = mKey.mCount; + final String[] themes = new String[N * 2]; + for (int i = 0, j = N - 1; i < themes.length; i += 2, --j) { + final int resId = mKey.mResId[i]; + final boolean forced = mKey.mForce[i]; + themes[i] = getResourceName(resId); themes[i + 1] = forced ? "forced" : "not forced"; } return themes; } + + /** + * Rebases the theme against the parent Resource object's current + * configuration by re-applying the styles passed to + * {@link #applyStyle(int, boolean)}. + * + * @hide + */ + public void rebase() { + AssetManager.clearTheme(mTheme); + + // Reapply the same styles in the same order. + for (int i = 0; i < mKey.mCount; i++) { + final int resId = mKey.mResId[i]; + final boolean force = mKey.mForce[i]; + AssetManager.applyThemeStyle(mTheme, resId, force); + } + } + } + + static class ThemeKey implements Cloneable { + int[] mResId; + boolean[] mForce; + int mCount; + + private int mHashCode = 0; + + public void append(int resId, boolean force) { + if (mResId == null) { + mResId = new int[4]; + } + + if (mForce == null) { + mForce = new boolean[4]; + } + + mResId = GrowingArrayUtils.append(mResId, mCount, resId); + mForce = GrowingArrayUtils.append(mForce, mCount, force); + mCount++; + + mHashCode = 31 * (31 * mHashCode + resId) + (force ? 1 : 0); + } + + /** + * Sets up this key as a deep copy of another key. + * + * @param other the key to deep copy into this key + */ + public void setTo(ThemeKey other) { + mResId = other.mResId == null ? null : other.mResId.clone(); + mForce = other.mForce == null ? null : other.mForce.clone(); + mCount = other.mCount; + } + + @Override + public int hashCode() { + return mHashCode; + } + + @Override + public boolean equals(Object o) { + if (this == o) { + return true; + } + + if (o == null || getClass() != o.getClass() || hashCode() != o.hashCode()) { + return false; + } + + final ThemeKey t = (ThemeKey) o; + if (mCount != t.mCount) { + return false; + } + + final int N = mCount; + for (int i = 0; i < N; i++) { + if (mResId[i] != t.mResId[i] || mForce[i] != t.mForce[i]) { + return false; + } + } + + return true; + } + + /** + * @return a shallow copy of this key + */ + @Override + public ThemeKey clone() { + final ThemeKey other = new ThemeKey(); + other.mResId = mResId; + other.mForce = mForce; + other.mCount = mCount; + return other; + } } /** @@ -1944,8 +2034,8 @@ public class Resources { + " final compat is " + mCompatibilityInfo); } - clearDrawableCachesLocked(mDrawableCache, configChanges); - clearDrawableCachesLocked(mColorDrawableCache, configChanges); + mDrawableCache.onConfigurationChange(configChanges); + mColorDrawableCache.onConfigurationChange(configChanges); mColorStateListCache.onConfigurationChange(configChanges); mAnimatorCache.onConfigurationChange(configChanges); mStateListAnimatorCache.onConfigurationChange(configChanges); @@ -1983,48 +2073,6 @@ public class Resources { return configChanges; } - private void clearDrawableCachesLocked( - ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> caches, - int configChanges) { - final int N = caches.size(); - for (int i = 0; i < N; i++) { - clearDrawableCacheLocked(caches.valueAt(i), configChanges); - } - } - - private void clearDrawableCacheLocked( - LongSparseArray<WeakReference<ConstantState>> cache, int configChanges) { - if (DEBUG_CONFIG) { - Log.d(TAG, "Cleaning up drawables config changes: 0x" - + Integer.toHexString(configChanges)); - } - final int N = cache.size(); - for (int i = 0; i < N; i++) { - final WeakReference<ConstantState> ref = cache.valueAt(i); - if (ref != null) { - final ConstantState cs = ref.get(); - if (cs != null) { - if (Configuration.needNewResources( - configChanges, cs.getChangingConfigurations())) { - if (DEBUG_CONFIG) { - Log.d(TAG, "FLUSHING #0x" - + Long.toHexString(cache.keyAt(i)) - + " / " + cs + " with changes: 0x" - + Integer.toHexString(cs.getChangingConfigurations())); - } - cache.setValueAt(i, null); - } else if (DEBUG_CONFIG) { - Log.d(TAG, "(Keeping #0x" - + Long.toHexString(cache.keyAt(i)) - + " / " + cs + " with changes: 0x" - + Integer.toHexString(cs.getChangingConfigurations()) - + ")"); - } - } - } - } - } - /** * {@code Locale.toLanguageTag} will transform the obsolete (and deprecated) * language codes "in", "ji" and "iw" to "id", "yi" and "he" respectively. @@ -2436,7 +2484,7 @@ public class Resources { } final boolean isColorDrawable; - final ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> caches; + final DrawableCache caches; final long key; if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT && value.type <= TypedValue.TYPE_LAST_COLOR_INT) { @@ -2452,7 +2500,7 @@ public class Resources { // First, check whether we have a cached version of this drawable // that was inflated against the specified theme. if (!mPreloading) { - final Drawable cachedDrawable = getCachedDrawable(caches, key, theme); + final Drawable cachedDrawable = caches.getInstance(key, theme); if (cachedDrawable != null) { return cachedDrawable; } @@ -2479,13 +2527,8 @@ public class Resources { // Determine if the drawable has unresolved theme attributes. If it // does, we'll need to apply a theme and store it in a theme-specific // cache. - final String cacheKey; - if (!dr.canApplyTheme()) { - cacheKey = CACHE_NOT_THEMED; - } else if (theme == null) { - cacheKey = CACHE_NULL_THEME; - } else { - cacheKey = theme.getKey(); + final boolean canApplyTheme = dr.canApplyTheme(); + if (canApplyTheme && theme != null) { dr = dr.mutate(); dr.applyTheme(theme); dr.clearMutated(); @@ -2495,15 +2538,14 @@ public class Resources { // cache: preload, not themed, null theme, or theme-specific. if (dr != null) { dr.setChangingConfigurations(value.changingConfigurations); - cacheDrawable(value, isColorDrawable, caches, cacheKey, key, dr); + cacheDrawable(value, isColorDrawable, caches, theme, canApplyTheme, key, dr); } return dr; } - private void cacheDrawable(TypedValue value, boolean isColorDrawable, - ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> caches, - String cacheKey, long key, Drawable dr) { + private void cacheDrawable(TypedValue value, boolean isColorDrawable, DrawableCache caches, + Theme theme, boolean usesTheme, long key, Drawable dr) { final ConstantState cs = dr.getConstantState(); if (cs == null) { return; @@ -2531,51 +2573,9 @@ public class Resources { } } else { synchronized (mAccessLock) { - LongSparseArray<WeakReference<ConstantState>> themedCache = caches.get(cacheKey); - if (themedCache == null) { - // Clean out the caches before we add more. This shouldn't - // happen very often. - pruneCaches(caches); - themedCache = new LongSparseArray<>(1); - caches.put(cacheKey, themedCache); - } - themedCache.put(key, new WeakReference<>(cs)); - } - } - } - - /** - * Prunes empty caches from the cache map. - * - * @param caches The map of caches to prune. - */ - private void pruneCaches(ArrayMap<String, - LongSparseArray<WeakReference<ConstantState>>> caches) { - final int N = caches.size(); - for (int i = N - 1; i >= 0; i--) { - final LongSparseArray<WeakReference<ConstantState>> cache = caches.valueAt(i); - if (pruneCache(cache)) { - caches.removeAt(i); - } - } - } - - /** - * Prunes obsolete weak references from a cache, returning {@code true} if - * the cache is empty and should be removed. - * - * @param cache The cache of weak references to prune. - * @return {@code true} if the cache is empty and should be removed. - */ - private boolean pruneCache(LongSparseArray<WeakReference<ConstantState>> cache) { - final int N = cache.size(); - for (int i = N - 1; i >= 0; i--) { - final WeakReference entry = cache.valueAt(i); - if (entry == null || entry.get() == null) { - cache.removeAt(i); + caches.put(key, theme, cs, usesTheme); } } - return cache.size() == 0; } /** @@ -2631,51 +2631,6 @@ public class Resources { return dr; } - private Drawable getCachedDrawable( - ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> caches, - long key, Theme theme) { - synchronized (mAccessLock) { - // First search theme-agnostic cache. - final Drawable unthemedDrawable = getCachedDrawableLocked( - caches, key, CACHE_NOT_THEMED); - if (unthemedDrawable != null) { - return unthemedDrawable; - } - - // Next search theme-specific cache. - final String themeKey = theme != null ? theme.getKey() : CACHE_NULL_THEME; - return getCachedDrawableLocked(caches, key, themeKey); - } - } - - private Drawable getCachedDrawableLocked( - ArrayMap<String, LongSparseArray<WeakReference<ConstantState>>> caches, - long key, String themeKey) { - final LongSparseArray<WeakReference<ConstantState>> cache = caches.get(themeKey); - if (cache != null) { - final ConstantState entry = getConstantStateLocked(cache, key); - if (entry != null) { - return entry.newDrawable(this); - } - } - return null; - } - - private ConstantState getConstantStateLocked( - LongSparseArray<WeakReference<ConstantState>> drawableCache, long key) { - final WeakReference<ConstantState> wr = drawableCache.get(key); - if (wr != null) { - final ConstantState entry = wr.get(); - if (entry != null) { - return entry; - } else { - // Our entry has been purged. - drawableCache.delete(key); - } - } - return null; - } - @Nullable ColorStateList loadColorStateList(TypedValue value, int id, Theme theme) throws NotFoundException { @@ -2713,8 +2668,7 @@ public class Resources { } final ConfigurationBoundResourceCache<ColorStateList> cache = mColorStateListCache; - - csl = cache.get(key, theme); + csl = cache.getInstance(key, theme); if (csl != null) { return csl; } diff --git a/core/java/android/content/res/ThemedResourceCache.java b/core/java/android/content/res/ThemedResourceCache.java new file mode 100644 index 0000000..9a2d06147 --- /dev/null +++ b/core/java/android/content/res/ThemedResourceCache.java @@ -0,0 +1,233 @@ +/* + * Copyright (C) 2015 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 android.content.res; + +import android.annotation.NonNull; +import android.annotation.Nullable; +import android.content.res.Resources.Theme; +import android.content.res.Resources.ThemeKey; +import android.util.LongSparseArray; +import android.util.ArrayMap; + +import java.lang.ref.WeakReference; + +/** + * Data structure used for caching data against themes. + * + * @param <T> type of data to cache + */ +abstract class ThemedResourceCache<T> { + private ArrayMap<ThemeKey, LongSparseArray<WeakReference<T>>> mThemedEntries; + private LongSparseArray<WeakReference<T>> mUnthemedEntries; + private LongSparseArray<WeakReference<T>> mNullThemedEntries; + + /** + * Adds a new theme-dependent entry to the cache. + * + * @param key a key that uniquely identifies the entry + * @param theme the theme against which this entry was inflated, or + * {@code null} if the entry has no theme applied + * @param entry the entry to cache + */ + public void put(long key, @Nullable Theme theme, @NonNull T entry) { + put(key, theme, entry, true); + } + + /** + * Adds a new entry to the cache. + * + * @param key a key that uniquely identifies the entry + * @param theme the theme against which this entry was inflated, or + * {@code null} if the entry has no theme applied + * @param entry the entry to cache + * @param usesTheme {@code true} if the entry is affected theme changes, + * {@code false} otherwise + */ + public void put(long key, @Nullable Theme theme, @NonNull T entry, boolean usesTheme) { + if (entry == null) { + return; + } + + synchronized (this) { + final LongSparseArray<WeakReference<T>> entries; + if (!usesTheme) { + entries = getUnthemedLocked(true); + } else { + entries = getThemedLocked(theme, true); + } + if (entries != null) { + entries.put(key, new WeakReference<>(entry)); + } + } + } + + /** + * Returns an entry from the cache. + * + * @param key a key that uniquely identifies the entry + * @param theme the theme where the entry will be used + * @return a cached entry, or {@code null} if not in the cache + */ + @Nullable + public T get(long key, @Nullable Theme theme) { + // The themed (includes null-themed) and unthemed caches are mutually + // exclusive, so we'll give priority to whichever one we think we'll + // hit first. Since most of the framework drawables are themed, that's + // probably going to be the themed cache. + synchronized (this) { + final LongSparseArray<WeakReference<T>> themedEntries = getThemedLocked(theme, false); + if (themedEntries != null) { + final WeakReference<T> themedEntry = themedEntries.get(key); + if (themedEntry != null) { + return themedEntry.get(); + } + } + + final LongSparseArray<WeakReference<T>> unthemedEntries = getUnthemedLocked(false); + if (unthemedEntries != null) { + final WeakReference<T> unthemedEntry = unthemedEntries.get(key); + if (unthemedEntry != null) { + return unthemedEntry.get(); + } + } + } + + return null; + } + + /** + * Prunes cache entries that have been invalidated by a configuration + * change. + * + * @param configChanges a bitmask of configuration changes + */ + public void onConfigurationChange(int configChanges) { + prune(configChanges); + } + + /** + * Returns whether a cached entry has been invalidated by a configuration + * change. + * + * @param entry a cached entry + * @param configChanges a non-zero bitmask of configuration changes + * @return {@code true} if the entry is invalid, {@code false} otherwise + */ + protected abstract boolean shouldInvalidateEntry(@NonNull T entry, int configChanges); + + /** + * Returns the cached data for the specified theme, optionally creating a + * new entry if one does not already exist. + * + * @param t the theme for which to return cached data + * @param create {@code true} to create an entry if one does not already + * exist, {@code false} otherwise + * @return the cached data for the theme, or {@code null} if the cache is + * empty and {@code create} was {@code false} + */ + @Nullable + private LongSparseArray<WeakReference<T>> getThemedLocked(@Nullable Theme t, boolean create) { + if (t == null) { + if (mNullThemedEntries == null && create) { + mNullThemedEntries = new LongSparseArray<>(1); + } + return mNullThemedEntries; + } + + if (mThemedEntries == null) { + if (create) { + mThemedEntries = new ArrayMap<>(1); + } else { + return null; + } + } + + final ThemeKey key = t.getKey(); + LongSparseArray<WeakReference<T>> cache = mThemedEntries.get(key); + if (cache == null && create) { + cache = new LongSparseArray<>(1); + + final ThemeKey keyClone = key.clone(); + mThemedEntries.put(keyClone, cache); + } + + return cache; + } + + /** + * Returns the theme-agnostic cached data. + * + * @param create {@code true} to create an entry if one does not already + * exist, {@code false} otherwise + * @return the theme-agnostic cached data, or {@code null} if the cache is + * empty and {@code create} was {@code false} + */ + @Nullable + private LongSparseArray<WeakReference<T>> getUnthemedLocked(boolean create) { + if (mUnthemedEntries == null && create) { + mUnthemedEntries = new LongSparseArray<>(1); + } + return mUnthemedEntries; + } + + /** + * Prunes cache entries affected by configuration changes or where weak + * references have expired. + * + * @param configChanges a bitmask of configuration changes, or {@code 0} to + * simply prune missing weak references + * @return {@code true} if the cache is completely empty after pruning + */ + private boolean prune(int configChanges) { + synchronized (this) { + if (mThemedEntries != null) { + for (int i = mThemedEntries.size() - 1; i >= 0; i--) { + if (pruneEntriesLocked(mThemedEntries.valueAt(i), configChanges)) { + mThemedEntries.removeAt(i); + } + } + } + + pruneEntriesLocked(mNullThemedEntries, configChanges); + pruneEntriesLocked(mUnthemedEntries, configChanges); + + return mThemedEntries == null && mNullThemedEntries == null + && mUnthemedEntries == null; + } + } + + private boolean pruneEntriesLocked(@Nullable LongSparseArray<WeakReference<T>> entries, + int configChanges) { + if (entries == null) { + return true; + } + + for (int i = entries.size() - 1; i >= 0; i--) { + final WeakReference<T> ref = entries.valueAt(i); + if (ref == null || pruneEntryLocked(ref.get(), configChanges)) { + entries.removeAt(i); + } + } + + return entries.size() == 0; + } + + private boolean pruneEntryLocked(@Nullable T entry, int configChanges) { + return entry == null || (configChanges != 0 + && shouldInvalidateEntry(entry, configChanges)); + } +} diff --git a/core/jni/android_util_AssetManager.cpp b/core/jni/android_util_AssetManager.cpp index db495dd..74a9e4e 100644 --- a/core/jni/android_util_AssetManager.cpp +++ b/core/jni/android_util_AssetManager.cpp @@ -976,6 +976,12 @@ static void android_content_AssetManager_copyTheme(JNIEnv* env, jobject clazz, dest->setTo(*src); } +static void android_content_AssetManager_clearTheme(JNIEnv* env, jobject clazz, jlong themeHandle) +{ + ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); + theme->clear(); +} + static jint android_content_AssetManager_loadThemeAttributeValue( JNIEnv* env, jobject clazz, jlong themeHandle, jint ident, jobject outValue, jboolean resolve) { @@ -2108,6 +2114,8 @@ static JNINativeMethod gAssetManagerMethods[] = { (void*) android_content_AssetManager_applyThemeStyle }, { "copyTheme", "(JJ)V", (void*) android_content_AssetManager_copyTheme }, + { "clearTheme", "(J)V", + (void*) android_content_AssetManager_clearTheme }, { "loadThemeAttributeValue", "(JILandroid/util/TypedValue;Z)I", (void*) android_content_AssetManager_loadThemeAttributeValue }, { "getThemeChangingConfigurations", "(J)I", diff --git a/include/androidfw/ResourceTypes.h b/include/androidfw/ResourceTypes.h index 587e7fa..b15caeb 100644 --- a/include/androidfw/ResourceTypes.h +++ b/include/androidfw/ResourceTypes.h @@ -1631,6 +1631,7 @@ public: status_t applyStyle(uint32_t resID, bool force=false); status_t setTo(const Theme& other); + status_t clear(); /** * Retrieve a value in the theme. If the theme defines this diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp index 19a5beb..2ae7b08 100644 --- a/libs/androidfw/ResourceTypes.cpp +++ b/libs/androidfw/ResourceTypes.cpp @@ -3336,6 +3336,30 @@ status_t ResTable::Theme::setTo(const Theme& other) return NO_ERROR; } +status_t ResTable::Theme::clear() +{ + if (kDebugTableTheme) { + ALOGI("Clearing theme %p...\n", this); + dumpToLog(); + } + + for (size_t i = 0; i < Res_MAXPACKAGE; i++) { + if (mPackages[i] != NULL) { + free_package(mPackages[i]); + mPackages[i] = NULL; + } + } + + mTypeSpecFlags = 0; + + if (kDebugTableTheme) { + ALOGI("Final theme:"); + dumpToLog(); + } + + return NO_ERROR; +} + ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue, uint32_t* outTypeSpecFlags) const { diff --git a/services/core/java/com/android/server/policy/GlobalActions.java b/services/core/java/com/android/server/policy/GlobalActions.java index b431b33..3cee927 100644 --- a/services/core/java/com/android/server/policy/GlobalActions.java +++ b/services/core/java/com/android/server/policy/GlobalActions.java @@ -1138,7 +1138,7 @@ class GlobalActions implements DialogInterface.OnDismissListener, DialogInterfac public GlobalActionsDialog(Context context, AlertParams params) { super(context, getDialogTheme(context)); - mContext = context; + mContext = getContext(); mAlert = new AlertController(mContext, this, getWindow()); mAdapter = (MyAdapter) params.mAdapter; mWindowTouchSlop = ViewConfiguration.get(context).getScaledWindowTouchSlop(); diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java index 2d265e2..925a609 100644 --- a/services/java/com/android/server/SystemServer.java +++ b/services/java/com/android/server/SystemServer.java @@ -28,6 +28,7 @@ import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.res.Configuration; +import android.content.res.Resources.Theme; import android.os.Build; import android.os.Environment; import android.os.FactoryTest; @@ -291,7 +292,7 @@ public final class SystemServer { private void createSystemContext() { ActivityThread activityThread = ActivityThread.systemMain(); mSystemContext = activityThread.getSystemContext(); - mSystemContext.setTheme(android.R.style.Theme_DeviceDefault_Light_DarkActionBar); + mSystemContext.setTheme(android.R.style.Theme_Material_DayNight_DarkActionBar); } /** @@ -1026,6 +1027,12 @@ public final class SystemServer { w.getDefaultDisplay().getMetrics(metrics); context.getResources().updateConfiguration(config, metrics); + // The system context's theme may be configuration-dependent. + final Theme systemTheme = context.getTheme(); + if (systemTheme.getChangingConfigurations() != 0) { + systemTheme.rebase(); + } + try { // TODO: use boot phase mPowerManagerService.systemReady(mActivityManagerService.getAppOpsService()); |