Rebase system theme on configuration change (395cd017) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -4316,6 +4316,11 @@ public final class ActivityThread {

		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);

core/java/android/content/res/Resources.java

+85 −122

Original line number	Diff line number	Diff line
		@@ -1426,11 +1426,13 @@ public class Resources {
		* if not already defined in the theme.
		*/
		public void applyStyle(int resId, boolean force) {
		synchronized (mKey) {
		AssetManager.applyThemeStyle(mTheme, resId, force);

		mThemeResId = resId;
		mKey.append(resId, force);
		}
		}

		/**
		* Set this theme to hold the same contents as the theme
		@@ -1442,11 +1444,15 @@ public class Resources {
		* @param other The existing Theme to copy from.
		*/
		public void setTo(Theme other) {
		synchronized (mKey) {
		synchronized (other.mKey) {
		AssetManager.copyTheme(mTheme, other.mTheme);

		mThemeResId = other.mThemeResId;
		mKey.setTo(other.getKey());
		}
		}
		}

		/**
		* Return a TypedArray holding the values defined by
		@@ -1468,12 +1474,14 @@ public class Resources {
		* @see #obtainStyledAttributes(AttributeSet, int[], int, int)
		*/
		public TypedArray obtainStyledAttributes(@StyleableRes int[] attrs) {
		synchronized (mKey) {
		final int len = attrs.length;
		final TypedArray array = TypedArray.obtain(Resources.this, len);
		array.mTheme = this;
		AssetManager.applyStyle(mTheme, 0, 0, 0, attrs, array.mData, array.mIndices);
		return array;
		}
		}

		/**
		* Return a TypedArray holding the values defined by the style
		@@ -1482,7 +1490,7 @@ public class Resources {
		* <p>Be sure to call {@link TypedArray#recycle() TypedArray.recycle()} when you are done
		* with the array.
		*
		* @param resid The desired style resource.
		* @param resId The desired style resource.
		* @param attrs The desired attributes in the style.
		*
		* @throws NotFoundException Throws NotFoundException if the given ID does not exist.
		@@ -1495,40 +1503,16 @@ public class Resources {
		* @see #obtainStyledAttributes(int[])
		* @see #obtainStyledAttributes(AttributeSet, int[], int, int)
		*/
		public TypedArray obtainStyledAttributes(@StyleRes int resid, @StyleableRes int[] attrs)
		public TypedArray obtainStyledAttributes(@StyleRes int resId, @StyleableRes int[] attrs)
		throws NotFoundException {
		synchronized (mKey) {
		final int len = attrs.length;
		final TypedArray array = TypedArray.obtain(Resources.this, len);
		array.mTheme = this;
		if (false) {
		int[] data = array.mData;

		System.out.println("**********************************************************");
		System.out.println("**********************************************************");
		System.out.println("**********************************************************");
		System.out.println("Attributes:");
		String s = " Attrs:";
		int i;
		for (i=0; i<attrs.length; i++) {
		s = s + " 0x" + Integer.toHexString(attrs[i]);
		}
		System.out.println(s);
		s = " Found:";
		TypedValue value = new TypedValue();
		for (i=0; i<attrs.length; i++) {
		int d = i*AssetManager.STYLE_NUM_ENTRIES;
		value.type = data[d+AssetManager.STYLE_TYPE];
		value.data = data[d+AssetManager.STYLE_DATA];
		value.assetCookie = data[d+AssetManager.STYLE_ASSET_COOKIE];
		value.resourceId = data[d+AssetManager.STYLE_RESOURCE_ID];
		s = s + " 0x" + Integer.toHexString(attrs[i])
		+ "=" + value;
		}
		System.out.println(s);
		}
		AssetManager.applyStyle(mTheme, 0, resid, 0, attrs, array.mData, array.mIndices);
		AssetManager.applyStyle(mTheme, 0, resId, 0, attrs, array.mData, array.mIndices);
		return array;
		}
		}

		/**
		* Return a TypedArray holding the attribute values in
		@@ -1580,6 +1564,7 @@ public class Resources {
		*/
		public TypedArray obtainStyledAttributes(AttributeSet set,
		@StyleableRes int[] attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
		synchronized (mKey) {
		final int len = attrs.length;
		final TypedArray array = TypedArray.obtain(Resources.this, len);

		@@ -1589,42 +1574,14 @@ public class Resources {
		// contained in the resources and such).
		final XmlBlock.Parser parser = (XmlBlock.Parser) set;
		AssetManager.applyStyle(mTheme, defStyleAttr, defStyleRes,
		parser != null ? parser.mParseState : 0, attrs, array.mData, array.mIndices);

		parser != null ? parser.mParseState : 0,
		attrs, array.mData, array.mIndices);
		array.mTheme = this;
		array.mXml = parser;

		if (false) {
		int[] data = array.mData;

		System.out.println("Attributes:");
		String s = " Attrs:";
		int i;
		for (i=0; i<set.getAttributeCount(); i++) {
		s = s + " " + set.getAttributeName(i);
		int id = set.getAttributeNameResource(i);
		if (id != 0) {
		s = s + "(0x" + Integer.toHexString(id) + ")";
		}
		s = s + "=" + set.getAttributeValue(i);
		}
		System.out.println(s);
		s = " Found:";
		TypedValue value = new TypedValue();
		for (i=0; i<attrs.length; i++) {
		int d = i*AssetManager.STYLE_NUM_ENTRIES;
		value.type = data[d+AssetManager.STYLE_TYPE];
		value.data = data[d+AssetManager.STYLE_DATA];
		value.assetCookie = data[d+AssetManager.STYLE_ASSET_COOKIE];
		value.resourceId = data[d+AssetManager.STYLE_RESOURCE_ID];
		s = s + " 0x" + Integer.toHexString(attrs[i])
		+ "=" + value;
		}
		System.out.println(s);
		}

		return array;
		}
		}

		/**
		* Retrieve the values for a set of attributes in the Theme. The
		@@ -1642,6 +1599,7 @@ public class Resources {
		*/
		@NonNull
		public TypedArray resolveAttributes(@NonNull int[] values, @NonNull int[] attrs) {
		synchronized (mKey) {
		final int len = attrs.length;
		if (values == null \|\| len != values.length) {
		throw new IllegalArgumentException(
		@@ -1655,6 +1613,7 @@ public class Resources {

		return array;
		}
		}

		/**
		* Retrieve the value of an attribute in the Theme. The contents of
		@@ -1674,14 +1633,9 @@ public class Resources {
		* <var>outValue</var> is valid, else false.
		*/
		public boolean resolveAttribute(int resid, TypedValue outValue, boolean resolveRefs) {
		boolean got = mAssets.getThemeValue(mTheme, resid, outValue, resolveRefs);
		if (false) {
		System.out.println(
		"resolveAttribute #" + Integer.toHexString(resid)
		+ " got=" + got + ", type=0x" + Integer.toHexString(outValue.type)
		+ ", data=0x" + Integer.toHexString(outValue.data));
		synchronized (mKey) {
		return mAssets.getThemeValue(mTheme, resid, outValue, resolveRefs);
		}
		return got;
		}

		/**
		@@ -1727,9 +1681,12 @@ public class Resources {
		* @see ActivityInfo
		*/
		public int getChangingConfigurations() {
		final int nativeChangingConfig = AssetManager.getThemeChangingConfigurations(mTheme);
		synchronized (mKey) {
		final int nativeChangingConfig =
		AssetManager.getThemeChangingConfigurations(mTheme);
		return ActivityInfo.activityInfoConfigNativeToJava(nativeChangingConfig);
		}
		}

		/**
		* Print contents of this theme out to the log. For debugging only.
		@@ -1739,8 +1696,10 @@ public class Resources {
		* @param prefix Text to prefix each line printed.
		*/
		public void dump(int priority, String tag, String prefix) {
		synchronized (mKey) {
		AssetManager.dumpTheme(mTheme, priority, tag, prefix);
		}
		}

		@Override
		protected void finalize() throws Throwable {
		@@ -1789,6 +1748,7 @@ public class Resources {
		*/
		@ViewDebug.ExportedProperty(category = "theme", hasAdjacentMapping = true)
		public String[] getTheme() {
		synchronized (mKey) {
		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) {
		@@ -1803,6 +1763,7 @@ public class Resources {
		}
		return themes;
		}
		}

		/** @hide */
		public void encode(@NonNull ViewHierarchyEncoder encoder) {
		@@ -1822,6 +1783,7 @@ public class Resources {
		* @hide
		*/
		public void rebase() {
		synchronized (mKey) {
		AssetManager.clearTheme(mTheme);

		// Reapply the same styles in the same order.
		@@ -1832,6 +1794,7 @@ public class Resources {
		}
		}
		}
		}

		static class ThemeKey implements Cloneable {
		int[] mResId;

services/java/com/android/server/SystemServer.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -1022,6 +1022,12 @@ 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());