Wallpaper Overscroll and Transparent NavBar (62368289) · Commits · e / os / android_frameworks_base

core/java/android/app/WallpaperManager.java

+36 −2

Original line number	Diff line number	Diff line
		@@ -67,6 +67,8 @@ public class WallpaperManager {
		private static boolean DEBUG = false;
		private float mWallpaperXStep = -1;
		private float mWallpaperYStep = -1;
		private int mWallpaperXOverscroll = -1;
		private int mWallpaperYOverscroll = -1;

		/**
		* Activity Action: Show settings for choosing wallpaper. Do not use directly to construct
		@@ -950,14 +952,46 @@ public class WallpaperManager {
		public void setWallpaperOffsets(IBinder windowToken, float xOffset, float yOffset) {
		try {
		//Log.v(TAG, "Sending new wallpaper offsets from app...");
		WindowManagerGlobal.getWindowSession().setWallpaperPosition(
		windowToken, xOffset, yOffset, mWallpaperXStep, mWallpaperYStep);
		WindowManagerGlobal.getWindowSession().setWallpaperPositionOverscroll(
		windowToken, xOffset, yOffset, mWallpaperXStep, mWallpaperYStep,
		-1, -1, mWallpaperXOverscroll, mWallpaperYOverscroll);
		//Log.v(TAG, "...app returning after sending offsets!");
		} catch (RemoteException e) {
		// Ignore.
		}
		}

		/**
		* Set the position of the current wallpaper within any larger space, when
		* that wallpaper is visible behind the given window. The X and Y offsets
		* are floating point numbers ranging from 0 to 1, representing where the
		* wallpaper should be positioned within the range specified by setWallpaperOverscroll.
		*
		* @param windowToken The window who these offsets should be associated
		* with, as returned by {@link android.view.View#getWindowToken()
		* View.getWindowToken()}.
		* @param xOverscrollOffset The overscroll offset along the X dimension, from 0 to 1.
		* @param yOverscrollOffset The overscroll offset along the Y dimension, from 0 to 1.
		*/
		public void setWallpaperOverscrollOffsets(IBinder windowToken, float xOverscrollOffset,
		float yOverscrollOffset) {
		try {
		//Log.v(TAG, "Sending new wallpaper offsets from app...");
		WindowManagerGlobal.getWindowSession().setWallpaperPositionOverscroll(
		windowToken, -1, -1, mWallpaperXStep, mWallpaperYStep,
		xOverscrollOffset, yOverscrollOffset, mWallpaperXOverscroll,
		mWallpaperYOverscroll);
		//Log.v(TAG, "...app returning after sending offsets!");
		} catch (RemoteException e) {
		// Ignore.
		}
		}

		public void setWallpaperOverscroll(int xOverscroll, int yOverscroll) {
		mWallpaperXOverscroll = xOverscroll;
		mWallpaperYOverscroll = yOverscroll;
		}

		/**
		* For applications that use multiple virtual screens showing a wallpaper,
		* specify the step size between virtual screens. For example, if the

core/java/android/view/IWindowSession.aidl

+10 −0

Original line number	Diff line number	Diff line
		@@ -175,6 +175,16 @@ interface IWindowSession {
		*/
		void setWallpaperPosition(IBinder windowToken, float x, float y, float xstep, float ystep);

		/**
		* For windows with the wallpaper behind them, and the wallpaper is
		* larger than the screen, set the offset within the screen.
		* For multi screen launcher type applications, xstep and ystep indicate
		* how big the increment is from one screen to another.
		*/
		void setWallpaperPositionOverscroll(IBinder windowToken, float x, float y,
		float xstep, float ystep, float xoverscroll, float yoverscroll,
		int xoverscrollmax, int yoverscrollmax);

		void wallpaperOffsetsComplete(IBinder window);

		Bundle sendWallpaperCommand(IBinder window, String action, int x, int y,

packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,7 @@ public class BarTransitions {
		public static final int MODE_SEMI_TRANSPARENT = 1;
		public static final int MODE_TRANSLUCENT = 2;
		public static final int MODE_LIGHTS_OUT = 3;
		public static final int MODE_TRANSPARENT = 4;

		public static final int LIGHTS_IN_DURATION = 250;
		public static final int LIGHTS_OUT_DURATION = 750;
		@@ -92,6 +93,8 @@ public class BarTransitions {
		if (mode == MODE_SEMI_TRANSPARENT) return "MODE_SEMI_TRANSPARENT";
		if (mode == MODE_TRANSLUCENT) return "MODE_TRANSLUCENT";
		if (mode == MODE_LIGHTS_OUT) return "MODE_LIGHTS_OUT";
		if (mode == MODE_TRANSPARENT) return "MODE_TRANSPARENT";
		if (DEBUG && mode == -1) return "-1";
		throw new IllegalArgumentException("Unknown mode " + mode);
		}

		@@ -103,6 +106,10 @@ public class BarTransitions {
		// for subclasses
		}

		public void applyTransparent(boolean sticky) {
		// for subclasses
		}

		private static class BarBackgroundDrawable extends Drawable {
		private final int mOpaque;
		private final int mSemiTransparent;
		@@ -182,6 +189,8 @@ public class BarTransitions {
		targetGradientAlpha = 0xff;
		} else if (mMode == MODE_SEMI_TRANSPARENT) {
		targetColor = mSemiTransparent;
		} else if (mMode == MODE_TRANSPARENT) {
		targetGradientAlpha = 0;
		} else {
		targetColor = mOpaque;
		}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,7 @@ public final class NavigationBarTransitions extends BarTransitions {
		private boolean mLightsOut;
		private boolean mVertical;
		private int mRequestedMode;
		private boolean mStickyTransparent;

		public NavigationBarTransitions(NavigationBarView view) {
		super(view, R.drawable.nav_background);
		@@ -66,6 +67,8 @@ public final class NavigationBarTransitions extends BarTransitions {
		if (mVertical && mode == MODE_TRANSLUCENT) {
		// translucent mode not allowed when vertical
		mode = MODE_OPAQUE;
		} else if (mStickyTransparent) {
		mode = MODE_TRANSPARENT;
		}
		super.transitionTo(mode, animate);
		}
		@@ -125,6 +128,17 @@ public final class NavigationBarTransitions extends BarTransitions {
		}
		}

		public void applyTransparent(boolean sticky) {
		if (sticky != mStickyTransparent) {
		mStickyTransparent = sticky;
		if (!mStickyTransparent) {
		transitionTo(mRequestedMode, false);
		} else {
		transitionTo(MODE_TRANSPARENT, false);
		}
		}
		}

		private static float maxVisibleQuiescentAlpha(float max, View v) {
		if ((v instanceof KeyButtonView) && v.isShown()) {
		return Math.max(max, ((KeyButtonView)v).getQuiescentAlpha());

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java

+79 −1

Original line number	Diff line number	Diff line
		@@ -25,18 +25,25 @@ import android.app.ActivityManagerNative;
		import android.app.StatusBarManager;
		import android.app.admin.DevicePolicyManager;
		import android.content.BroadcastReceiver;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.res.Configuration;
		import android.content.res.Resources;
		import android.database.ContentObserver;
		import android.graphics.Point;
		import android.graphics.Rect;
		import android.graphics.drawable.Drawable;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Message;
		import android.os.RemoteException;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.view.Display;
		@@ -110,6 +117,9 @@ public class NavigationBarView extends LinearLayout {
		// performs manual animation in sync with layout transitions
		private final NavTransitionListener mTransitionListener = new NavTransitionListener();

		private boolean mModLockDisabled = true;
		private SettingsObserver mObserver;

		private class NavTransitionListener implements TransitionListener {
		private boolean mBackTransitioning;
		private boolean mHomeAppearing;
		@@ -238,6 +248,8 @@ public class NavigationBarView extends LinearLayout {
		new IntentFilter(NAVBAR_EDIT_ACTION), null, null);

		mLockUtils = new LockPatternUtils(context);

		mObserver = new SettingsObserver(new Handler());
		}

		private void watchForDevicePolicyChanges() {
		@@ -477,8 +489,9 @@ public class NavigationBarView extends LinearLayout {
		final boolean showSearch = disableHome && !disableSearch;
		final boolean showCamera = showSearch && !mCameraDisabledByDpm
		&& mLockUtils.getCameraEnabled();

		setVisibleOrGone(getSearchLight(), showSearch);
		setVisibleOrGone(getCameraButton(), showCamera);
		setVisibleOrGone(getCameraButton(), showCamera && mModLockDisabled);

		mBarTransitions.applyBackButtonQuiescentAlpha(mBarTransitions.getMode(), true /animate/);
		}
		@@ -544,6 +557,24 @@ public class NavigationBarView extends LinearLayout {
		watchForAccessibilityChanges();
		}

		@Override
		public void onAttachedToWindow() {
		super.onAttachedToWindow();

		final Bundle keyguard_metadata = NavigationBarView
		.getApplicationMetadata(mContext, "com.android.keyguard");
		if (null != keyguard_metadata &&
		keyguard_metadata.getBoolean("com.cyanogenmod.keyguard", false)) {
		mObserver.observe();
		}
		}

		@Override
		public void onDetachedFromWindow() {
		super.onDetachedFromWindow();
		mObserver.unobserve();
		}

		private void watchForAccessibilityChanges() {
		final AccessibilityManager am =
		(AccessibilityManager) mContext.getSystemService(Context.ACCESSIBILITY_SERVICE);
		@@ -767,4 +798,51 @@ public class NavigationBarView extends LinearLayout {
		}
		pw.println();
		}

		private static Bundle getApplicationMetadata(Context context, String pkg) {
		if (pkg != null) {
		try {
		ApplicationInfo ai = context.getPackageManager().
		getApplicationInfo(pkg, PackageManager.GET_META_DATA);
		return ai.metaData;
		} catch (NameNotFoundException e) {
		return null;
		}
		}

		return null;
		}

		private class SettingsObserver extends ContentObserver {
		private boolean mObserving = false;

		SettingsObserver(Handler handler) {
		super(handler);
		}

		void observe() {
		mObserving = true;
		ContentResolver resolver = mContext.getContentResolver();
		resolver.registerContentObserver(
		Settings.System.getUriFor(Settings.System.LOCKSCREEN_MODLOCK_ENABLED),
		false, this);

		// intialize mModlockDisabled
		onChange(false);
		}

		void unobserve() {
		if (mObserving) {
		mContext.getContentResolver().unregisterContentObserver(this);
		mObserving = false;
		}
		}

		@Override
		public void onChange(boolean selfChange) {
		mModLockDisabled = Settings.System.getInt(mContext.getContentResolver(),
		Settings.System.LOCKSCREEN_MODLOCK_ENABLED, 1) == 0;
		setDisabledFlags(mDisabledFlags, true /* force */);
		}
		}
		}