LayoutLib: translucent sys ui bars [DO NOT MERGE] (82fae621) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/CustomBar.java

+34 −17

Original line number	Diff line number	Diff line
		@@ -32,7 +32,6 @@ import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import android.annotation.NonNull;
		import android.content.Context;
		import android.content.res.ColorStateList;
		import android.graphics.Bitmap;
		import android.graphics.Bitmap_Delegate;
		@@ -78,8 +77,7 @@ abstract class CustomBar extends LinearLayout {
		setGravity(Gravity.CENTER_HORIZONTAL);
		}

		LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
		Context.LAYOUT_INFLATER_SERVICE);
		LayoutInflater inflater = LayoutInflater.from(mContext);

		XmlPullParser parser;
		try {
		@@ -159,7 +157,7 @@ abstract class CustomBar extends LinearLayout {

		protected void setStyle(String themeEntryName) {

		BridgeContext bridgeContext = (BridgeContext) mContext;
		BridgeContext bridgeContext = getContext();
		RenderResources res = bridgeContext.getRenderResources();

		ResourceValue value = res.findItemInTheme(themeEntryName, true /isFrameworkAttr/);
		@@ -219,27 +217,47 @@ abstract class CustomBar extends LinearLayout {
		}
		}

		@Override
		public BridgeContext getContext() {
		return (BridgeContext) mContext;
		}

		/**
		* Given a theme attribute name, get the color referenced by it. The theme attribute may be
		* used in a layout like "?attr/foo".
		* Find the background color for this bar from the theme attributes. Only relevant to StatusBar
		* and NavigationBar.
		* <p/>
		* Returns 0 if not found.
		*
		* @param colorAttrName the attribute name for the background color
		* @param translucentAttrName the attribute name for the translucency property of the bar.
		*
		* @throws NumberFormatException if color resolved to an invalid string.
		*/
		protected int getThemeAttrColor(@NonNull String attrName, boolean isFramework) {
		protected int getBarColor(@NonNull String colorAttrName, @NonNull String translucentAttrName) {
		if (!Config.isGreaterOrEqual(mSimulatedPlatformVersion, LOLLIPOP)) {
		return 0;
		}
		assert mContext instanceof BridgeContext;
		BridgeContext context = ((BridgeContext) mContext);
		RenderResources renderResources = context.getRenderResources();
		RenderResources renderResources = getContext().getRenderResources();
		// First check if the bar is translucent.
		boolean translucent = ResourceHelper.getBooleanThemeValue(renderResources,
		translucentAttrName, true, false);
		if (translucent) {
		// Keep in sync with R.color.system_bar_background_semi_transparent from system ui.
		return 0x66000000; // 40% black.
		}
		boolean transparent = ResourceHelper.getBooleanThemeValue(renderResources,
		"windowDrawsSystemBarBackgrounds", true, false);
		if (transparent) {
		return getColor(renderResources, colorAttrName);
		}
		return 0;
		}

		private static int getColor(RenderResources renderResources, String attr) {
		// From ?attr/foo to @color/bar. This is most likely an ItemResourceValue.
		ResourceValue resource = renderResources.findItemInTheme(attrName, isFramework);
		if (resource != null) {
		ResourceValue resource = renderResources.findItemInTheme(attr, true);
		// Form @color/bar to the #AARRGGBB
		resource = renderResources.resolveResValue(resource);
		}
		if (resource != null && ResourceType.COLOR.equals(resource.getResourceType())) {
		return ResourceHelper.getColor(resource.getValue());
		}
		@@ -247,8 +265,7 @@ abstract class CustomBar extends LinearLayout {
		}

		private ResourceValue getResourceValue(String reference) {
		BridgeContext bridgeContext = (BridgeContext) mContext;
		RenderResources res = bridgeContext.getRenderResources();
		RenderResources res = getContext().getRenderResources();

		// find the resource
		ResourceValue value = res.findResValue(reference, false);

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/NavigationBar.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -31,6 +31,8 @@ public class NavigationBar extends CustomBar {

		/** Navigation bar background color attribute name. */
		private static final String ATTR_COLOR = "navigationBarColor";
		/** Attribute for translucency property. */
		public static final String ATTR_TRANSLUCENT = "windowTranslucentNavigation";
		// These correspond to @dimen/navigation_side_padding in the system ui code.
		private static final int PADDING_WIDTH_DEFAULT = 36;
		private static final int PADDING_WIDTH_SW360 = 40;
		@@ -60,7 +62,7 @@ public class NavigationBar extends CustomBar {
		super(context, orientation, "/bars/navigation_bar.xml", "navigation_bar.xml",
		simulatedPlatformVersion);

		int color = getThemeAttrColor(ATTR_COLOR, true);
		int color = getBarColor(ATTR_COLOR, ATTR_TRANSLUCENT);
		setBackgroundColor(color == 0 ? 0xFF000000 : color);

		// Cannot access the inside items through id because no R.id values have been

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/StatusBar.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -43,6 +43,8 @@ public class StatusBar extends CustomBar {
		private final int mSimulatedPlatformVersion;
		/** Status bar background color attribute name. */
		private static final String ATTR_COLOR = "statusBarColor";
		/** Attribute for translucency property. */
		public static final String ATTR_TRANSLUCENT = "windowTranslucentStatus";

		/**
		* Constructor to be used when creating the {@link StatusBar} as a regular control. This
		@@ -69,7 +71,7 @@ public class StatusBar extends CustomBar {
		// FIXME: use FILL_H?
		setGravity(Gravity.START \| Gravity.TOP \| Gravity.RIGHT);

		int color = getThemeAttrColor(ATTR_COLOR, true);
		int color = getBarColor(ATTR_COLOR, ATTR_TRANSLUCENT);
		setBackgroundColor(color == 0 ? Config.getStatusBarColor(simulatedPlatformVersion) : color);

		// Cannot access the inside items through id because no R.id values have been

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/Layout.java

+51 −41

Original line number	Diff line number	Diff line
		@@ -21,7 +21,6 @@ import com.android.ide.common.rendering.api.RenderResources;
		import com.android.ide.common.rendering.api.ResourceValue;
		import com.android.ide.common.rendering.api.SessionParams;
		import com.android.ide.common.rendering.api.StyleResourceValue;
		import com.android.internal.util.XmlUtils;
		import com.android.layoutlib.bridge.Bridge;
		import com.android.layoutlib.bridge.android.BridgeContext;
		import com.android.layoutlib.bridge.bars.AppCompatActionBar;
		@@ -91,6 +90,8 @@ class Layout extends RelativeLayout {
		private static final String ATTR_ACTION_BAR_SIZE = "actionBarSize";
		private static final String ATTR_WINDOW_NO_TITLE = "windowNoTitle";
		private static final String ATTR_WINDOW_TITLE_SIZE = "windowTitleSize";
		private static final String ATTR_WINDOW_TRANSLUCENT_STATUS = StatusBar.ATTR_TRANSLUCENT;
		private static final String ATTR_WINDOW_TRANSLUCENT_NAV = NavigationBar.ATTR_TRANSLUCENT;
		private static final String PREFIX_THEME_APPCOMPAT = "Theme.AppCompat";

		// Default sizes
		@@ -131,8 +132,7 @@ class Layout extends RelativeLayout {
		boolean isRtl = Bridge.isLocaleRtl(getParams().getLocale());

		NavigationBar navBar = null;
		if (Config.showOnScreenNavBar(simulatedPlatformVersion) && mBuilder.hasSoftwareButtons() &&
		builder.isNavBarVertical()) {
		if (mBuilder.hasNavBar()) {
		navBar = createNavBar(getContext(), density, isRtl, getParams().isRtlSupported(),
		simulatedPlatformVersion);
		}
		@@ -163,25 +163,36 @@ class Layout extends RelativeLayout {
		@NonNull
		private FrameLayout createContentFrame() {
		FrameLayout contentRoot = new FrameLayout(getContext());
		LayoutParams params =
		new LayoutParams(MATCH_PARENT, MATCH_PARENT);
		LayoutParams params = createLayoutParams(MATCH_PARENT, MATCH_PARENT);
		int rule = mBuilder.isNavBarVertical() ? START_OF : ABOVE;
		if (mBuilder.mNavBarSize > 0) {
		if (mBuilder.solidBars()) {
		params.addRule(rule, getId(ID_NAV_BAR));
		}
		int below = -1;
		if (mBuilder.mActionBarSize <= 0 && mBuilder.mTitleBarSize > 0) {
		below = getId(ID_TITLE_BAR);
		} else if (mBuilder.mStatusBarSize > 0) {
		} else if (mBuilder.solidBars()) {
		below = getId(ID_STATUS_BAR);
		}
		if (below != -1) {
		params.addRule(BELOW, below);
		}

		contentRoot.setLayoutParams(params);
		return contentRoot;
		}

		@NonNull
		private LayoutParams createLayoutParams(int width, int height) {
		DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
		if (width > 0) {
		width = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, width, metrics);
		}
		if (height > 0) {
		height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, height, metrics);
		}
		return new LayoutParams(width, height);
		}

		@NonNull
		public FrameLayout getContentRoot() {
		return mContentRoot;
		@@ -208,7 +219,7 @@ class Layout extends RelativeLayout {
		boolean isRtlSupported, int simulatedPlatformVersion) {
		StatusBar statusBar =
		new StatusBar(context, density, isRtl, isRtlSupported, simulatedPlatformVersion);
		LayoutParams params = new LayoutParams(MATCH_PARENT, mBuilder.mStatusBarSize);
		LayoutParams params = createLayoutParams(MATCH_PARENT, mBuilder.mStatusBarSize);
		if (mBuilder.isNavBarVertical()) {
		params.addRule(START_OF, getId(ID_NAV_BAR));
		}
		@@ -225,12 +236,12 @@ class Layout extends RelativeLayout {
		} else {
		actionBar = new FrameworkActionBar(context, params);
		}
		LayoutParams layoutParams = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
		LayoutParams layoutParams = createLayoutParams(MATCH_PARENT, MATCH_PARENT);
		int rule = mBuilder.isNavBarVertical() ? START_OF : ABOVE;
		if (mBuilder.mNavBarSize > 0) {
		if (mBuilder.solidBars()) {
		layoutParams.addRule(rule, getId(ID_NAV_BAR));
		}
		if (mBuilder.mStatusBarSize > 0) {
		if (mBuilder.solidBars()) {
		layoutParams.addRule(BELOW, getId(ID_STATUS_BAR));
		}
		actionBar.getRootView().setLayoutParams(layoutParams);
		@@ -238,16 +249,15 @@ class Layout extends RelativeLayout {
		return actionBar;
		}


		@NonNull
		private TitleBar createTitleBar(BridgeContext context, String title,
		int simulatedPlatformVersion) {
		TitleBar titleBar = new TitleBar(context, title, simulatedPlatformVersion);
		LayoutParams params = new LayoutParams(MATCH_PARENT, mBuilder.mTitleBarSize);
		if (mBuilder.mStatusBarSize > 0) {
		LayoutParams params = createLayoutParams(MATCH_PARENT, mBuilder.mTitleBarSize);
		if (mBuilder.solidBars()) {
		params.addRule(BELOW, getId(ID_STATUS_BAR));
		}
		if (mBuilder.isNavBarVertical()) {
		if (mBuilder.isNavBarVertical() && mBuilder.solidBars()) {
		params.addRule(START_OF, getId(ID_NAV_BAR));
		}
		titleBar.setLayoutParams(params);
		@@ -270,7 +280,7 @@ class Layout extends RelativeLayout {
		boolean isVertical = mBuilder.isNavBarVertical();
		int w = isVertical ? size : MATCH_PARENT;
		int h = isVertical ? MATCH_PARENT : size;
		LayoutParams params = new LayoutParams(w, h);
		LayoutParams params = createLayoutParams(w, h);
		params.addRule(isVertical ? ALIGN_PARENT_END : ALIGN_PARENT_BOTTOM);
		navBar.setLayoutParams(params);
		navBar.setId(getId(ID_NAV_BAR));
		@@ -306,6 +316,8 @@ class Layout extends RelativeLayout {
		private int mNavBarOrientation;
		private int mActionBarSize;
		private int mTitleBarSize;
		private boolean mTranslucentStatus;
		private boolean mTranslucentNav;

		private Boolean mIsThemeAppCompat;

		@@ -313,7 +325,7 @@ class Layout extends RelativeLayout {
		mParams = params;
		mContext = context;
		mResources = mParams.getResources();
		mWindowIsFloating = getBooleanThemeValue(mResources, ATTR_WINDOW_FLOATING, true, true);
		mWindowIsFloating = ResourceHelper.getBooleanThemeValue(mResources, ATTR_WINDOW_FLOATING, true, true);

		findBackground();
		findStatusBar();
		@@ -334,10 +346,12 @@ class Layout extends RelativeLayout {

		private void findStatusBar() {
		boolean windowFullScreen =
		getBooleanThemeValue(mResources, ATTR_WINDOW_FULL_SCREEN, true, false);
		ResourceHelper.getBooleanThemeValue(mResources, ATTR_WINDOW_FULL_SCREEN, true, false);
		if (!windowFullScreen && !mWindowIsFloating) {
		mStatusBarSize =
		getDimension(ATTR_STATUS_BAR_HEIGHT, true, DEFAULT_STATUS_BAR_HEIGHT);
		mTranslucentStatus = ResourceHelper.getBooleanThemeValue(mResources,
		ATTR_WINDOW_TRANSLUCENT_STATUS, true, false);
		}
		}

		@@ -346,14 +360,14 @@ class Layout extends RelativeLayout {
		return;
		}
		// Check if an actionbar is needed
		boolean windowActionBar = getBooleanThemeValue(mResources, ATTR_WINDOW_ACTION_BAR,
		isThemeAppCompat(), true);
		boolean windowActionBar = ResourceHelper.getBooleanThemeValue(mResources, ATTR_WINDOW_ACTION_BAR,
		!isThemeAppCompat(), true);
		if (windowActionBar) {
		mActionBarSize = getDimension(ATTR_ACTION_BAR_SIZE, true, DEFAULT_TITLE_BAR_HEIGHT);
		} else {
		// Maybe the gingerbread era title bar is needed
		boolean windowNoTitle =
		getBooleanThemeValue(mResources, ATTR_WINDOW_NO_TITLE, true, false);
		ResourceHelper.getBooleanThemeValue(mResources, ATTR_WINDOW_NO_TITLE, true, false);
		if (!windowNoTitle) {
		mTitleBarSize =
		getDimension(ATTR_WINDOW_TITLE_SIZE, true, DEFAULT_TITLE_BAR_HEIGHT);
		@@ -381,6 +395,8 @@ class Layout extends RelativeLayout {
		mNavBarOrientation = barOnBottom ? LinearLayout.HORIZONTAL : VERTICAL;
		mNavBarSize = getDimension(barOnBottom ? ATTR_NAV_BAR_HEIGHT : ATTR_NAV_BAR_WIDTH,
		true, DEFAULT_NAV_BAR_SIZE);
		mTranslucentNav = ResourceHelper.getBooleanThemeValue(mResources,
		ATTR_WINDOW_TRANSLUCENT_NAV, true, false);
		}
		}

		@@ -396,25 +412,6 @@ class Layout extends RelativeLayout {
		return defaultValue;
		}

		/**
		* Looks for an attribute in the current theme.
		*
		* @param resources the render resources
		* @param name the name of the attribute
		* @param defaultValue the default value.
		* @param isFrameworkAttr if the attribute is in android namespace
		* @return the value of the attribute or the default one if not found.
		*/
		static boolean getBooleanThemeValue(@NonNull RenderResources resources, String name,
		boolean isFrameworkAttr, boolean defaultValue) {
		ResourceValue value = resources.findItemInTheme(name, isFrameworkAttr);
		value = resources.resolveResValue(value);
		if (value == null) {
		return defaultValue;
		}
		return XmlUtils.convertValueToBoolean(value.getValue(), defaultValue);
		}

		private boolean hasSoftwareButtons() {
		return mParams.getHardwareConfig().hasSoftwareButtons();
		}
		@@ -445,5 +442,18 @@ class Layout extends RelativeLayout {
		mIsThemeAppCompat = isThemeAppCompat;
		return isThemeAppCompat;
		}

		/**
		* Return if both status bar and nav bar are solid (content doesn't overlap with these
		* bars).
		*/
		private boolean solidBars() {
		return hasNavBar() && !mTranslucentNav && !mTranslucentStatus && mStatusBarSize > 0;
		}

		private boolean hasNavBar() {
		return Config.showOnScreenNavBar(mParams.getSimulatedPlatformVersion()) &&
		hasSoftwareButtons() && mNavBarSize > 0;
		}
		}
		}

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -170,7 +170,7 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		BridgeContext context = getContext();

		// use default of true in case it's not found to use alpha by default
		mIsAlphaChannelImage = Layout.Builder.getBooleanThemeValue(params.getResources(),
		mIsAlphaChannelImage = ResourceHelper.getBooleanThemeValue(params.getResources(),
		"windowIsFloating", true, true);

		mLayoutBuilder = new Layout.Builder(params, context);