Add attribute for specifying initial ScaleDrawable level (e72a703a) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -779,6 +779,7 @@ package android {
		field public static final int layout_y = 16843136; // 0x1010180
		field public static final int left = 16843181; // 0x10101ad
		field public static final int letterSpacing = 16843958; // 0x10104b6
		field public static final int level = 16844031; // 0x10104ff
		field public static final int lineSpacingExtra = 16843287; // 0x1010217
		field public static final int lineSpacingMultiplier = 16843288; // 0x1010218
		field public static final int lines = 16843092; // 0x1010154

api/system-current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -871,6 +871,7 @@ package android {
		field public static final int layout_y = 16843136; // 0x1010180
		field public static final int left = 16843181; // 0x10101ad
		field public static final int letterSpacing = 16843958; // 0x10104b6
		field public static final int level = 16844031; // 0x10104ff
		field public static final int lineSpacingExtra = 16843287; // 0x1010217
		field public static final int lineSpacingMultiplier = 16843288; // 0x1010218
		field public static final int lines = 16843092; // 0x1010154

core/res/res/values/attrs.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -5550,6 +5550,8 @@ i
		<!-- Push object to the end of its container, not changing its size. -->
		<flag name="end" value="0x00800005" />
		</attr>
		<!-- Specifies the initial drawable level in the range 0 to 10000. -->
		<attr name="level" format="integer" />
		<!-- Reference to a drawable resource to draw with the specified scale. -->
		<attr name="drawable" />
		<!-- Use the drawable's intrinsic width and height as minimum size values.

core/res/res/values/public.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -2673,6 +2673,7 @@
		<public type="attr" name="maxButtonHeight" />
		<public type="attr" name="buttonGravity" />
		<public type="attr" name="collapseIcon" />
		<public type="attr" name="level" />

		<public type="style" name="Theme.Material.DayNight" />
		<public type="style" name="Theme.Material.DayNight.DarkActionBar" />

graphics/java/android/graphics/drawable/ScaleDrawable.java

+37 −6

Original line number	Diff line number	Diff line
		@@ -39,15 +39,25 @@ import java.io.IOException;
		* and height based on the level, as well as a gravity to control where it is
		* placed in its overall container. Most often used to implement things like
		* progress bars.
		*
		* <p>It can be defined in an XML file with the <code><scale></code> element. For more
		* information, see the guide to <a
		* href="{@docRoot}guide/topics/resources/drawable-resource.html">Drawable Resources</a>.</p>
		* <p>
		* The default level may be specified from XML using the
		* {@link android.R.styleable#ScaleDrawable_level android:level} property. When
		* this property is not specified, the default level is 0, which corresponds to
		* zero height and/or width depending on the values specified for
		* {@code android.R.styleable#ScaleDrawable_scaleWidth scaleWidth} and
		* {@code android.R.styleable#ScaleDrawable_scaleHeight scaleHeight}. At run
		* time, the level may be set via {@link #setLevel(int)}.
		* <p>
		* A scale drawable may be defined in an XML file with the {@code <scale>}
		* element. For more information, see the guide to
		* <a href="{@docRoot}guide/topics/resources/drawable-resource.html">Drawable
		* Resources</a>.
		*
		* @attr ref android.R.styleable#ScaleDrawable_scaleWidth
		* @attr ref android.R.styleable#ScaleDrawable_scaleHeight
		* @attr ref android.R.styleable#ScaleDrawable_scaleGravity
		* @attr ref android.R.styleable#ScaleDrawable_drawable
		* @attr ref android.R.styleable#ScaleDrawable_level
		*/
		public class ScaleDrawable extends DrawableWrapper {
		private static final int MAX_LEVEL = 10000;
		@@ -92,6 +102,8 @@ public class ScaleDrawable extends DrawableWrapper {
		inflateChildDrawable(r, parser, attrs, theme);
		verifyRequiredAttributes(a);
		a.recycle();

		updateLocalState();
		}

		private void verifyRequiredAttributes(TypedArray a) throws XmlPullParserException {
		@@ -117,6 +129,8 @@ public class ScaleDrawable extends DrawableWrapper {
		R.styleable.ScaleDrawable_scaleGravity, state.mGravity);
		state.mUseIntrinsicSizeAsMin = a.getBoolean(
		R.styleable.ScaleDrawable_useIntrinsicSizeAsMinimum, state.mUseIntrinsicSizeAsMin);
		state.mInitialLevel = a.getInt(
		R.styleable.ScaleDrawable_level, state.mInitialLevel);

		final Drawable dr = a.getDrawable(R.styleable.ScaleDrawable_drawable);
		if (dr != null) {
		@@ -165,6 +179,8 @@ public class ScaleDrawable extends DrawableWrapper {
		// The drawable may have changed as a result of applying the theme, so
		// apply the theme to the wrapped drawable last.
		super.applyTheme(t);

		updateLocalState();
		}

		@Override
		@@ -239,6 +255,7 @@ public class ScaleDrawable extends DrawableWrapper {
		float mScaleHeight = DO_NOT_SCALE;
		int mGravity = Gravity.LEFT;
		boolean mUseIntrinsicSizeAsMin = false;
		int mInitialLevel = 0;

		ScaleState(ScaleState orig) {
		super(orig);
		@@ -248,6 +265,7 @@ public class ScaleDrawable extends DrawableWrapper {
		mScaleHeight = orig.mScaleHeight;
		mGravity = orig.mGravity;
		mUseIntrinsicSizeAsMin = orig.mUseIntrinsicSizeAsMin;
		mInitialLevel = orig.mInitialLevel;
		}
		}

		@@ -257,10 +275,23 @@ public class ScaleDrawable extends DrawableWrapper {
		}
		}

		/**
		* Creates a new ScaleDrawable based on the specified constant state.
		* <p>
		* The resulting drawable is guaranteed to have a new constant state.
		*
		* @param state constant state from which the drawable inherits
		*/
		private ScaleDrawable(ScaleState state, Resources res) {
		super(state, res);

		mState = state;

		updateLocalState();
		}

		private void updateLocalState() {
		setLevel(mState.mInitialLevel);
		}
		}