Drawing thumbnail background color for empty space in view. (1af8eda6) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+60 −21

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.app;

		import static java.lang.Character.MIN_VALUE;

		import android.annotation.CallSuper;
		import android.annotation.DrawableRes;
		import android.annotation.IdRes;
		@@ -26,20 +28,6 @@ import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.annotation.StyleRes;
		import android.os.PersistableBundle;
		import android.transition.Scene;
		import android.transition.TransitionManager;
		import android.util.ArrayMap;
		import android.util.SuperNotCalledException;
		import android.view.DragEvent;
		import android.view.DropPermissions;
		import android.view.Window.WindowControllerCallback;
		import android.widget.Toolbar;

		import com.android.internal.app.IVoiceInteractor;
		import com.android.internal.app.WindowDecorActionBar;
		import com.android.internal.app.ToolbarActionBar;

		import android.annotation.SystemApi;
		import android.app.admin.DevicePolicyManager;
		import android.app.assist.AssistContent;
		@@ -61,7 +49,12 @@ import android.content.res.TypedArray;
		import android.database.Cursor;
		import android.graphics.Bitmap;
		import android.graphics.Canvas;
		import android.graphics.Paint;
		import android.graphics.drawable.ColorDrawable;
		import android.graphics.drawable.Drawable;
		import android.graphics.drawable.InsetDrawable;
		import android.graphics.drawable.LayerDrawable;
		import android.graphics.drawable.ShapeDrawable;
		import android.media.AudioManager;
		import android.media.session.MediaController;
		import android.net.Uri;
		@@ -71,6 +64,7 @@ import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		import android.os.Parcelable;
		import android.os.PersistableBundle;
		import android.os.RemoteException;
		import android.os.StrictMode;
		import android.os.UserHandle;
		@@ -78,16 +72,22 @@ import android.text.Selection;
		import android.text.SpannableStringBuilder;
		import android.text.TextUtils;
		import android.text.method.TextKeyListener;
		import android.transition.Scene;
		import android.transition.TransitionManager;
		import android.util.ArrayMap;
		import android.util.AttributeSet;
		import android.util.EventLog;
		import android.util.Log;
		import android.util.PrintWriterPrinter;
		import android.util.Slog;
		import android.util.SparseArray;
		import android.util.SuperNotCalledException;
		import android.view.ActionMode;
		import android.view.ContextMenu;
		import android.view.ContextMenu.ContextMenuInfo;
		import android.view.ContextThemeWrapper;
		import android.view.DragEvent;
		import android.view.DropPermissions;
		import android.view.KeyEvent;
		import android.view.KeyboardShortcutGroup;
		import android.view.KeyboardShortcutInfo;
		@@ -104,11 +104,17 @@ import android.view.ViewGroup.LayoutParams;
		import android.view.ViewManager;
		import android.view.ViewRootImpl;
		import android.view.Window;
		import android.view.Window.WindowControllerCallback;
		import android.view.WindowManager;
		import android.view.WindowManagerGlobal;
		import android.view.accessibility.AccessibilityEvent;
		import android.widget.AdapterView;
		import android.widget.Toolbar;

		import com.android.internal.app.IVoiceInteractor;
		import com.android.internal.app.ToolbarActionBar;
		import com.android.internal.app.WindowDecorActionBar;
		import com.android.internal.policy.DecorView;
		import com.android.internal.policy.PhoneWindow;

		import java.io.FileDescriptor;
		@@ -119,8 +125,6 @@ import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.List;

		import static java.lang.Character.MIN_VALUE;

		/**
		* An activity is a single, focused thing that the user can do. Almost all
		* activities interact with the user, so the Activity class takes care of
		@@ -3974,14 +3978,49 @@ public class Activity extends ContextThemeWrapper
		// Get the primary color and update the TaskDescription for this activity
		if (theme != null) {
		TypedArray a = theme.obtainStyledAttributes(com.android.internal.R.styleable.Theme);
		int windowBgResourceId = a.getResourceId(
		com.android.internal.R.styleable.Window_windowBackground, 0);
		int windowBgFallbackResourceId = a.getResourceId(
		com.android.internal.R.styleable.Window_windowBackgroundFallback, 0);
		int colorPrimary = a.getColor(com.android.internal.R.styleable.Theme_colorPrimary, 0);
		int colorBg = tryExtractColorFromDrawable(DecorView.getResizingBackgroundDrawable(this,
		windowBgResourceId, windowBgFallbackResourceId));
		a.recycle();
		if (colorPrimary != 0) {
		ActivityManager.TaskDescription v = new ActivityManager.TaskDescription(null, null,
		colorPrimary);
		setTaskDescription(v);
		ActivityManager.TaskDescription td = new ActivityManager.TaskDescription();
		td.setPrimaryColor(colorPrimary);
		td.setBackgroundColor(colorBg);
		setTaskDescription(td);
		}
		}
		}

		/**
		* Attempts to extract the color from a given drawable.
		*
		* @return the extracted color or 0 if no color could be extracted.
		*/
		private int tryExtractColorFromDrawable(Drawable drawable) {
		if (drawable instanceof ColorDrawable) {
		return ((ColorDrawable) drawable).getColor();
		} else if (drawable instanceof InsetDrawable) {
		return tryExtractColorFromDrawable(((InsetDrawable) drawable).getDrawable());
		} else if (drawable instanceof ShapeDrawable) {
		Paint p = ((ShapeDrawable) drawable).getPaint();
		if (p != null) {
		return p.getColor();
		}
		} else if (drawable instanceof LayerDrawable) {
		LayerDrawable ld = (LayerDrawable) drawable;
		int numLayers = ld.getNumberOfLayers();
		for (int i = 0; i < numLayers; i++) {
		int color = tryExtractColorFromDrawable(ld.getDrawable(i));
		if (color != 0) {
		return color;
		}
		}
		}
		return 0;
		}

		/**
		@@ -5612,8 +5651,8 @@ public class Activity extends ContextThemeWrapper
		if (taskDescription.getIconFilename() == null && taskDescription.getIcon() != null) {
		final int size = ActivityManager.getLauncherLargeIconSizeInner(this);
		final Bitmap icon = Bitmap.createScaledBitmap(taskDescription.getIcon(), size, size, true);
		td = new ActivityManager.TaskDescription(taskDescription.getLabel(), icon,
		taskDescription.getPrimaryColor());
		td = new ActivityManager.TaskDescription(taskDescription);
		td.setIcon(icon);
		} else {
		td = taskDescription;
		}

core/java/android/app/ActivityManager.java

+57 −21

Original line number	Diff line number	Diff line
		@@ -863,8 +863,10 @@ public class ActivityManager {
		public static final String ATTR_TASKDESCRIPTION_PREFIX = "task_description_";
		private static final String ATTR_TASKDESCRIPTIONLABEL =
		ATTR_TASKDESCRIPTION_PREFIX + "label";
		private static final String ATTR_TASKDESCRIPTIONCOLOR =
		private static final String ATTR_TASKDESCRIPTIONCOLOR_PRIMARY =
		ATTR_TASKDESCRIPTION_PREFIX + "color";
		private static final String ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND =
		ATTR_TASKDESCRIPTION_PREFIX + "colorBackground";
		private static final String ATTR_TASKDESCRIPTIONICONFILENAME =
		ATTR_TASKDESCRIPTION_PREFIX + "icon_filename";

		@@ -872,28 +874,21 @@ public class ActivityManager {
		private Bitmap mIcon;
		private String mIconFilename;
		private int mColorPrimary;
		private int mColorBackground;

		/**
		* Creates the TaskDescription to the specified values.
		*
		* @param label A label and description of the current state of this task.
		* @param icon An icon that represents the current state of this task.
		* @param colorPrimary A color to override the theme's primary color. This color must be opaque.
		* @param colorPrimary A color to override the theme's primary color. This color must be
		* opaque.
		*/
		public TaskDescription(String label, Bitmap icon, int colorPrimary) {
		this(label, icon, null, colorPrimary, 0);
		if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) {
		throw new RuntimeException("A TaskDescription's primary color should be opaque");
		}

		mLabel = label;
		mIcon = icon;
		mColorPrimary = colorPrimary;
		}

		/** @hide */
		public TaskDescription(String label, int colorPrimary, String iconFilename) {
		this(label, null, colorPrimary);
		mIconFilename = iconFilename;
		}

		/**
		@@ -903,7 +898,7 @@ public class ActivityManager {
		* @param icon An icon that represents the current state of this activity.
		*/
		public TaskDescription(String label, Bitmap icon) {
		this(label, icon, 0);
		this(label, icon, null, 0, 0);
		}

		/**
		@@ -912,14 +907,24 @@ public class ActivityManager {
		* @param label A label and description of the current state of this activity.
		*/
		public TaskDescription(String label) {
		this(label, null, 0);
		this(label, null, null, 0, 0);
		}

		/**
		* Creates an empty TaskDescription.
		*/
		public TaskDescription() {
		this(null, null, 0);
		this(null, null, null, 0, 0);
		}

		/** @hide */
		public TaskDescription(String label, Bitmap icon, String iconFilename, int colorPrimary,
		int colorBackground) {
		mLabel = label;
		mIcon = icon;
		mIconFilename = iconFilename;
		mColorPrimary = colorPrimary;
		mColorBackground = colorBackground;
		}

		/**
		@@ -928,8 +933,9 @@ public class ActivityManager {
		public TaskDescription(TaskDescription td) {
		mLabel = td.mLabel;
		mIcon = td.mIcon;
		mColorPrimary = td.mColorPrimary;
		mIconFilename = td.mIconFilename;
		mColorPrimary = td.mColorPrimary;
		mColorBackground = td.mColorBackground;
		}

		private TaskDescription(Parcel source) {
		@@ -956,6 +962,18 @@ public class ActivityManager {
		mColorPrimary = primaryColor;
		}

		/**
		* Sets the background color for this task description.
		* @hide
		*/
		public void setBackgroundColor(int backgroundColor) {
		// Ensure that the given color is valid
		if ((backgroundColor != 0) && (Color.alpha(backgroundColor) != 255)) {
		throw new RuntimeException("A TaskDescription's background color should be opaque");
		}
		mColorBackground = backgroundColor;
		}

		/**
		* Sets the icon for this task description.
		* @hide
		@@ -1005,8 +1023,8 @@ public class ActivityManager {
		public static Bitmap loadTaskDescriptionIcon(String iconFilename, int userId) {
		if (iconFilename != null) {
		try {
		return ActivityManagerNative.getDefault().
		getTaskDescriptionIcon(iconFilename, userId);
		return ActivityManagerNative.getDefault().getTaskDescriptionIcon(iconFilename,
		userId);
		} catch (RemoteException e) {
		}
		}
		@@ -1020,13 +1038,26 @@ public class ActivityManager {
		return mColorPrimary;
		}

		/**
		* @return The background color.
		* @hide
		*/
		public int getBackgroundColor() {
		return mColorBackground;
		}

		/** @hide */
		public void saveToXml(XmlSerializer out) throws IOException {
		if (mLabel != null) {
		out.attribute(null, ATTR_TASKDESCRIPTIONLABEL, mLabel);
		}
		if (mColorPrimary != 0) {
		out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR, Integer.toHexString(mColorPrimary));
		out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_PRIMARY,
		Integer.toHexString(mColorPrimary));
		}
		if (mColorBackground != 0) {
		out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND,
		Integer.toHexString(mColorBackground));
		}
		if (mIconFilename != null) {
		out.attribute(null, ATTR_TASKDESCRIPTIONICONFILENAME, mIconFilename);
		@@ -1037,8 +1068,10 @@ public class ActivityManager {
		public void restoreFromXml(String attrName, String attrValue) {
		if (ATTR_TASKDESCRIPTIONLABEL.equals(attrName)) {
		setLabel(attrValue);
		} else if (ATTR_TASKDESCRIPTIONCOLOR.equals(attrName)) {
		} else if (ATTR_TASKDESCRIPTIONCOLOR_PRIMARY.equals(attrName)) {
		setPrimaryColor((int) Long.parseLong(attrValue, 16));
		} else if (ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND.equals(attrName)) {
		setBackgroundColor((int) Long.parseLong(attrValue, 16));
		} else if (ATTR_TASKDESCRIPTIONICONFILENAME.equals(attrName)) {
		setIconFilename(attrValue);
		}
		@@ -1064,6 +1097,7 @@ public class ActivityManager {
		mIcon.writeToParcel(dest, 0);
		}
		dest.writeInt(mColorPrimary);
		dest.writeInt(mColorBackground);
		if (mIconFilename == null) {
		dest.writeInt(0);
		} else {
		@@ -1076,6 +1110,7 @@ public class ActivityManager {
		mLabel = source.readInt() > 0 ? source.readString() : null;
		mIcon = source.readInt() > 0 ? Bitmap.CREATOR.createFromParcel(source) : null;
		mColorPrimary = source.readInt();
		mColorBackground = source.readInt();
		mIconFilename = source.readInt() > 0 ? source.readString() : null;
		}

		@@ -1092,7 +1127,8 @@ public class ActivityManager {
		@Override
		public String toString() {
		return "TaskDescription Label: " + mLabel + " Icon: " + mIcon +
		" colorPrimary: " + mColorPrimary;
		" IconFilename: " + mIconFilename + " colorPrimary: " + mColorPrimary +
		" colorBackground: " + mColorBackground;
		}
		}

core/java/com/android/internal/policy/DecorView.java

+8 −8

Original line number	Diff line number	Diff line
		@@ -1718,8 +1718,13 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind

		private void loadBackgroundDrawablesIfNeeded() {
		if (mResizingBackgroundDrawable == null) {
		mResizingBackgroundDrawable = getResizingBackgroundDrawable(
		mResizingBackgroundDrawable = getResizingBackgroundDrawable(getContext(),
		mWindow.mBackgroundResource, mWindow.mBackgroundFallbackResource);
		if (mResizingBackgroundDrawable == null) {
		// We shouldn't really get here as the background fallback should be always
		// available since it is defaulted by the system.
		Log.w(mLogTag, "Failed to find background drawable for PhoneWindow=" + mWindow);
		}
		}
		if (mCaptionBackgroundDrawable == null) {
		mCaptionBackgroundDrawable = getContext().getDrawable(
		@@ -1817,9 +1822,8 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		* Returns the color used to fill areas the app has not rendered content to yet when the
		* user is resizing the window of an activity in multi-window mode.
		*/
		private Drawable getResizingBackgroundDrawable(int backgroundRes, int backgroundFallbackRes) {
		final Context context = getContext();

		public static Drawable getResizingBackgroundDrawable(Context context, int backgroundRes,
		int backgroundFallbackRes) {
		if (backgroundRes != 0) {
		final Drawable drawable = context.getDrawable(backgroundRes);
		if (drawable != null) {
		@@ -1833,10 +1837,6 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		return fallbackDrawable;
		}
		}

		// We shouldn't really get here as the background fallback should be always available since
		// it is defaulted by the system.
		Log.w(mLogTag, "Failed to find background drawable for PhoneWindow=" + mWindow);
		return null;
		}

packages/SystemUI/res/values/colors.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,8 @@

		<!-- The default recents task bar background color. -->
		<color name="recents_task_bar_default_background_color">#ffe6e6e6</color>
		<!-- The default recents task view background color. -->
		<color name="recents_task_view_default_background_color">#fff3f3f3</color>
		<!-- The recents task bar light text color to be drawn on top of dark backgrounds. -->
		<color name="recents_task_bar_light_text_color">#ffeeeeee</color>
		<!-- The recents task bar dark text color to be drawn on top of light backgrounds. -->

packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -187,7 +187,8 @@ public class SystemServicesProxy {
		rti.firstActiveTime = rti.lastActiveTime = i;
		if (i % 2 == 0) {
		rti.taskDescription = new ActivityManager.TaskDescription(description,
		Bitmap.createBitmap(mDummyIcon),
		Bitmap.createBitmap(mDummyIcon), null,
		0xFF000000 \| (0xFFFFFF & new Random().nextInt()),
		0xFF000000 \| (0xFFFFFF & new Random().nextInt()));
		} else {
		rti.taskDescription = new ActivityManager.TaskDescription();