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Merge "WallpaperManager getDrawable & al clarifications" into udc-dev

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This commit is contained in:
Aurélien Pomini
2023-05-08 15:36:04 +00:00
committed by Android (Google) Code Review
parent 95977e0691 fa48ffe60d
commit 5b1d2b53f5
4 changed files with 177 additions and 108 deletions
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8
core/java/android/app/IWallpaperManager.aidl
View File

@@ -258,6 +258,14 @@ interface IWallpaperManager {
*/
boolean lockScreenWallpaperExists();
/**
* Return true if there is a static wallpaper on the specified screen. With which=FLAG_LOCK,
* always return false if the lock screen doesn't run its own wallpaper engine.
*
* @hide
*/
boolean isStaticWallpaper(int which);
/**
* Temporary method for project b/197814683.
* Return true if the lockscreen wallpaper always uses a WallpaperService, not a static image.

257
core/java/android/app/WallpaperManager.java
View File

@@ -658,15 +658,8 @@ public class WallpaperManager {
return currentWallpaper;
}
}
if (returnDefault) {
Bitmap defaultWallpaper = mDefaultWallpaper;
if (defaultWallpaper == null || defaultWallpaper.isRecycled()) {
defaultWallpaper = getDefaultWallpaper(context, which);
synchronized (this) {
mDefaultWallpaper = defaultWallpaper;
}
}
return defaultWallpaper;
if (returnDefault || (which == FLAG_LOCK && isStaticWallpaper(FLAG_LOCK))) {
return getDefaultWallpaper(context, which);
}
return null;
}
@@ -705,7 +698,7 @@ public class WallpaperManager {
}
// If user wallpaper is unavailable, may be the default one instead.
if ((dimensions == null || dimensions.width() == 0 || dimensions.height() == 0)
&& returnDefault) {
&& (returnDefault || (which == FLAG_LOCK && isStaticWallpaper(FLAG_LOCK)))) {
InputStream is = openDefaultWallpaper(context, which);
if (is != null) {
try {
@@ -769,18 +762,39 @@ public class WallpaperManager {
}
private Bitmap getDefaultWallpaper(Context context, @SetWallpaperFlags int which) {
InputStream is = openDefaultWallpaper(context, which);
if (is != null) {
try {
BitmapFactory.Options options = new BitmapFactory.Options();
return BitmapFactory.decodeStream(is, null, options);
} catch (OutOfMemoryError e) {
Bitmap defaultWallpaper = mDefaultWallpaper;
if (defaultWallpaper == null || defaultWallpaper.isRecycled()) {
defaultWallpaper = null;
try (InputStream is = openDefaultWallpaper(context, which)) {
if (is != null) {
BitmapFactory.Options options = new BitmapFactory.Options();
defaultWallpaper = BitmapFactory.decodeStream(is, null, options);
}
} catch (OutOfMemoryError | IOException e) {
Log.w(TAG, "Can't decode stream", e);
} finally {
IoUtils.closeQuietly(is);
}
}
return null;
synchronized (this) {
mDefaultWallpaper = defaultWallpaper;
}
return defaultWallpaper;
}
/**
* Return true if there is a static wallpaper on the specified screen.
* With {@code which=}{@link #FLAG_LOCK}, always return false if the lockscreen doesn't run
* its own wallpaper engine.
*/
private boolean isStaticWallpaper(@SetWallpaperFlags int which) {
if (mService == null) {
Log.w(TAG, "WallpaperService not running");
throw new RuntimeException(new DeadSystemException());
}
try {
return mService.isStaticWallpaper(which);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
}
@@ -882,21 +896,14 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Retrieve the current system wallpaper; if
* no wallpaper is set, the system built-in static wallpaper is returned.
* This is returned as an
* abstract Drawable that you can install in a View to display whatever
* wallpaper the user has currently set.
* <p>
* This method can return null if there is no system wallpaper available, if
* wallpapers are not supported in the current user, or if the calling app is not
* permitted to access the system wallpaper.
* Equivalent to {@link #getDrawable(int)} with {@code which=}{@link #FLAG_SYSTEM}.
* </p>
*
* @return Returns a Drawable object that will draw the system wallpaper,
* or {@code null} if no system wallpaper exists or if the calling application
* is not able to access the wallpaper.
* @return A Drawable object for the requested wallpaper.
*
* @see #getDrawable(int)
*
* @throws SecurityException as described in the note
*/
@@ -919,23 +926,29 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Retrieve the requested wallpaper; if
* no wallpaper is set, the requested built-in static wallpaper is returned.
* This is returned as an
* abstract Drawable that you can install in a View to display whatever
* wallpaper the user has currently set.
* <p>
* This method can return null if the requested wallpaper is not available, if
* wallpapers are not supported in the current user, or if the calling app is not
* permitted to access the requested wallpaper.
* Retrieve the requested wallpaper for the specified wallpaper type if the wallpaper is not
* a live wallpaper. This method should not be used to display the user wallpaper on an app:
* {@link android.view.WindowManager.LayoutParams#FLAG_SHOW_WALLPAPER} should be used instead.
* </p>
* <p>
* When called with {@code which=}{@link #FLAG_SYSTEM},
* if there is a live wallpaper on home screen, the built-in default wallpaper is returned.
* </p>
* <p>
* When called with {@code which=}{@link #FLAG_LOCK}, if there is a live wallpaper
* on lock screen, or if the lock screen and home screen share the same wallpaper engine,
* {@code null} is returned.
* </p>
* <p>
* {@link #getWallpaperInfo(int)} can be used to determine whether there is a live wallpaper
* on a specified screen type.
* </p>
*
* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
* IllegalArgumentException if an invalid wallpaper is requested.
* @return Returns a Drawable object that will draw the requested wallpaper,
* or {@code null} if the requested wallpaper does not exist or if the calling application
* is not able to access the wallpaper.
* @return A Drawable object for the requested wallpaper.
*
* @throws SecurityException as described in the note
*/
@@ -943,7 +956,8 @@ public class WallpaperManager {
@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
public Drawable getDrawable(@SetWallpaperFlags int which) {
final ColorManagementProxy cmProxy = getColorManagementProxy();
Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
boolean returnDefault = which != FLAG_LOCK;
Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, returnDefault, which, cmProxy);
if (bm != null) {
Drawable dr = new BitmapDrawable(mContext.getResources(), bm);
dr.setDither(false);
@@ -1175,15 +1189,14 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Retrieve the current system wallpaper; if there is no wallpaper set,
* a null pointer is returned. This is returned as an
* abstract Drawable that you can install in a View to display whatever
* wallpaper the user has currently set.
* <p>
* Equivalent to {@link #getDrawable()}.
* </p>
*
* @return Returns a Drawable object that will draw the wallpaper or a
* null pointer if wallpaper is unset.
* @return A Drawable object for the requested wallpaper.
*
* @see #getDrawable()
*
* @throws SecurityException as described in the note
*/
@@ -1206,31 +1219,23 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Retrieve the requested wallpaper; if there is no wallpaper set,
* a null pointer is returned. This is returned as an
* abstract Drawable that you can install in a View to display whatever
* wallpaper the user has currently set.
* <p>
* Equivalent to {@link #getDrawable(int)}.
* </p>
*
* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
* IllegalArgumentException if an invalid wallpaper is requested.
* @return Returns a Drawable object that will draw the wallpaper or a null pointer if
* wallpaper is unset.
* @return A Drawable object for the requested wallpaper.
*
* @see #getDrawable(int)
*
* @throws SecurityException as described in the note
*/
@Nullable
@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
public Drawable peekDrawable(@SetWallpaperFlags int which) {
final ColorManagementProxy cmProxy = getColorManagementProxy();
Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
if (bm != null) {
Drawable dr = new BitmapDrawable(mContext.getResources(), bm);
dr.setDither(false);
return dr;
}
return null;
return getDrawable(which);
}
/**
@@ -1246,19 +1251,14 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Like {@link #getDrawable()}, but the returned Drawable has a number
* of limitations to reduce its overhead as much as possible. It will
* never scale the wallpaper (only centering it if the requested bounds
* do match the bitmap bounds, which should not be typical), doesn't
* allow setting an alpha, color filter, or other attributes, etc. The
* bounds of the returned drawable will be initialized to the same bounds
* as the wallpaper, so normally you will not need to touch it. The
* drawable also assumes that it will be used in a context running in
* the same density as the screen (not in density compatibility mode).
* <p>
* Equivalent to {@link #getFastDrawable(int)} with {@code which=}{@link #FLAG_SYSTEM}.
* </p>
*
* @return Returns a Drawable object that will draw the wallpaper.
* @return A Drawable object for the requested wallpaper.
*
* @see #getFastDrawable(int)
*
* @throws SecurityException as described in the note
*/
@@ -1295,7 +1295,8 @@ public class WallpaperManager {
*
* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
* IllegalArgumentException if an invalid wallpaper is requested.
* @return Returns a Drawable object that will draw the wallpaper.
* @return An optimized Drawable object for the requested wallpaper, or {@code null}
* in some cases as specified in {@link #getDrawable(int)}.
*
* @throws SecurityException as described in the note
*/
@@ -1303,7 +1304,8 @@ public class WallpaperManager {
@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
public Drawable getFastDrawable(@SetWallpaperFlags int which) {
final ColorManagementProxy cmProxy = getColorManagementProxy();
Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
boolean returnDefault = which != FLAG_LOCK;
Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, returnDefault, which, cmProxy);
if (bm != null) {
return new FastBitmapDrawable(bm);
}
@@ -1323,13 +1325,14 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Like {@link #getFastDrawable()}, but if there is no wallpaper set,
* a null pointer is returned.
* <p>
* Equivalent to {@link #getFastDrawable()}.
* </p>
*
* @return Returns an optimized Drawable object that will draw the
* wallpaper or a null pointer if these is none.
* @return An optimized Drawable object for the requested wallpaper.
*
* @see #getFastDrawable()
*
* @throws SecurityException as described in the note
*/
@@ -1352,31 +1355,29 @@ public class WallpaperManager {
* <li> Apps with {@link android.Manifest.permission#MANAGE_EXTERNAL_STORAGE}
* can still access the real wallpaper on all versions. </li>
* </ul>
* <br>
*
* Like {@link #getFastDrawable()}, but if there is no wallpaper set,
* a null pointer is returned.
* <p>
* Equivalent to {@link #getFastDrawable(int)}.
* </p>
*
* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
* IllegalArgumentException if an invalid wallpaper is requested.
* @return Returns an optimized Drawable object that will draw the
* wallpaper or a null pointer if these is none.
* @return An optimized Drawable object for the requested wallpaper.
*
* @throws SecurityException as described in the note
*/
@Nullable
@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
public Drawable peekFastDrawable(@SetWallpaperFlags int which) {
final ColorManagementProxy cmProxy = getColorManagementProxy();
Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
if (bm != null) {
return new FastBitmapDrawable(bm);
}
return null;
return getFastDrawable(which);
}
/**
* Whether the wallpaper supports Wide Color Gamut or not.
* Whether the wallpaper supports Wide Color Gamut or not. This is only meant to be used by
* ImageWallpaper, and will always return false if the wallpaper for the specified screen
* is not an ImageWallpaper. This will also return false when called with {@link #FLAG_LOCK} if
* the lock and home screen share the same wallpaper engine.
*
* @param which The wallpaper whose image file is to be retrieved. Must be a single
* defined kind of wallpaper, either {@link #FLAG_SYSTEM} or {@link #FLAG_LOCK}.
* @return true when supported.
@@ -1422,7 +1423,7 @@ public class WallpaperManager {
}
/**
* Like {@link #getDrawable()} but returns a Bitmap.
* Like {@link #getDrawable(int)} but returns a Bitmap.
*
* @param hardware Asks for a hardware backed bitmap.
* @param which Specifies home or lock screen
@@ -1445,7 +1446,7 @@ public class WallpaperManager {
}
/**
* Like {@link #getDrawable()} but returns a Bitmap for the provided user.
* Like {@link #getDrawable(int)} but returns a Bitmap for the provided user.
*
* @param which Specifies home or lock screen
* @hide
@@ -1453,12 +1454,29 @@ public class WallpaperManager {
@TestApi
@Nullable
public Bitmap getBitmapAsUser(int userId, boolean hardware, @SetWallpaperFlags int which) {
boolean returnDefault = which != FLAG_LOCK;
return getBitmapAsUser(userId, hardware, which, returnDefault);
}
/**
* Overload of {@link #getBitmapAsUser(int, boolean, int)} with a returnDefault argument.
*
* @param returnDefault If true, return the default static wallpaper if no custom static
* wallpaper is set on the specified screen.
* If false, return {@code null} in that case.
* @hide
*/
@Nullable
public Bitmap getBitmapAsUser(int userId, boolean hardware,
@SetWallpaperFlags int which, boolean returnDefault) {
final ColorManagementProxy cmProxy = getColorManagementProxy();
return sGlobals.peekWallpaperBitmap(mContext, true, which, userId, hardware, cmProxy);
return sGlobals.peekWallpaperBitmap(mContext, returnDefault,
which, userId, hardware, cmProxy);
}
/**
* Peek the dimensions of system wallpaper of the user without decoding it.
* Equivalent to {@link #peekBitmapDimensions(int)} with {@code which=}{@link #FLAG_SYSTEM}.
*
* @return the dimensions of system wallpaper
* @hide
@@ -1472,16 +1490,45 @@ public class WallpaperManager {
/**
* Peek the dimensions of given wallpaper of the user without decoding it.
*
* @param which Wallpaper type. Must be either {@link #FLAG_SYSTEM} or
* {@link #FLAG_LOCK}.
* @return the dimensions of system wallpaper
* <p>
* When called with {@code which=}{@link #FLAG_SYSTEM}, if there is a live wallpaper on
* home screen, the built-in default wallpaper dimensions are returned.
* </p>
* <p>
* When called with {@code which=}{@link #FLAG_LOCK}, if there is a live wallpaper
* on lock screen, or if the lock screen and home screen share the same wallpaper engine,
* {@code null} is returned.
* </p>
* <p>
* {@link #getWallpaperInfo(int)} can be used to determine whether there is a live wallpaper
* on a specified screen type.
* </p>
*
* @param which Wallpaper type. Must be either {@link #FLAG_SYSTEM} or {@link #FLAG_LOCK}.
* @return the dimensions of specified wallpaper
* @hide
*/
@TestApi
@Nullable
public Rect peekBitmapDimensions(@SetWallpaperFlags int which) {
boolean returnDefault = which != FLAG_LOCK;
return peekBitmapDimensions(which, returnDefault);
}
/**
* Overload of {@link #peekBitmapDimensions(int)} with a returnDefault argument.
*
* @param which Wallpaper type. Must be either {@link #FLAG_SYSTEM} or {@link #FLAG_LOCK}.
* @param returnDefault If true, always return the default static wallpaper dimensions
* if no custom static wallpaper is set on the specified screen.
* If false, always return {@code null} in that case.
* @return the dimensions of specified wallpaper
* @hide
*/
@Nullable
public Rect peekBitmapDimensions(@SetWallpaperFlags int which, boolean returnDefault) {
checkExactlyOneWallpaperFlagSet(which);
return sGlobals.peekWallpaperDimensions(mContext, true /* returnDefault */, which,
return sGlobals.peekWallpaperDimensions(mContext, returnDefault, which,
mContext.getUserId());
}

6
packages/SystemUI/src/com/android/systemui/wallpapers/ImageWallpaper.java
View File

@@ -173,7 +173,7 @@ public class ImageWallpaper extends WallpaperService {
.isLockscreenLiveWallpaperEnabled();
mSurfaceHolder = surfaceHolder;
Rect dimensions = mIsLockscreenLiveWallpaperEnabled
? mWallpaperManager.peekBitmapDimensions(getSourceFlag())
? mWallpaperManager.peekBitmapDimensions(getSourceFlag(), true)
: mWallpaperManager.peekBitmapDimensions();
int width = Math.max(MIN_SURFACE_WIDTH, dimensions.width());
int height = Math.max(MIN_SURFACE_HEIGHT, dimensions.height());
@@ -325,7 +325,7 @@ public class ImageWallpaper extends WallpaperService {
try {
bitmap = mIsLockscreenLiveWallpaperEnabled
? mWallpaperManager.getBitmapAsUser(
mUserTracker.getUserId(), false, getSourceFlag())
mUserTracker.getUserId(), false, getSourceFlag(), true)
: mWallpaperManager.getBitmapAsUser(mUserTracker.getUserId(), false);
if (bitmap != null
&& bitmap.getByteCount() > RecordingCanvas.MAX_BITMAP_SIZE) {
@@ -347,7 +347,7 @@ public class ImageWallpaper extends WallpaperService {
try {
bitmap = mIsLockscreenLiveWallpaperEnabled
? mWallpaperManager.getBitmapAsUser(
mUserTracker.getUserId(), false, getSourceFlag())
mUserTracker.getUserId(), false, getSourceFlag(), true)
: mWallpaperManager.getBitmapAsUser(mUserTracker.getUserId(), false);
} catch (RuntimeException | OutOfMemoryError e) {
Log.w(TAG, "Unable to load default wallpaper!", e);

14
services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
View File

@@ -2788,6 +2788,20 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
}
}
/**
* Returns true if there is a static wallpaper on the specified screen. With which=FLAG_LOCK,
* always return false if the lockscreen doesn't run its own wallpaper engine.
*/
@Override
public boolean isStaticWallpaper(int which) {
synchronized (mLock) {
WallpaperData wallpaperData = (which == FLAG_LOCK ? mLockWallpaperMap : mWallpaperMap)
.get(mCurrentUserId);
if (wallpaperData == null) return false;
return mImageWallpaper.equals(wallpaperData.wallpaperComponent);
}
}
/**
* Sets wallpaper dim amount for the calling UID. This applies to all destinations (home, lock)
* with an active wallpaper engine.