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Merge "Fix issue #5317970: Removing active wallpaper from manifest crashes phone"

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This commit is contained in:
Dianne Hackborn
2011-09-15 17:08:07 -07:00
committed by Android (Google) Code Review
parent 152f7b3985 80b902ffbe
commit b59d270df7
1 changed files with 89 additions and 41 deletions
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130
services/java/com/android/server/WallpaperManagerService.java
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@ -120,7 +120,8 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
notifyCallbacksLocked();
if (mWallpaperComponent == null || mImageWallpaperPending) {
mImageWallpaperPending = false;
bindWallpaperComponentLocked(mImageWallpaperComponent, true);
bindWallpaperComponentLocked(mImageWallpaperComponent,
true, false);
saveSettingsLocked();
}
}
@ -201,7 +202,7 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
if (!mWallpaperUpdating && (mLastDiedTime+MIN_WALLPAPER_CRASH_TIME)
> SystemClock.uptimeMillis()) {
Slog.w(TAG, "Reverting to built-in wallpaper!");
bindWallpaperComponentLocked(null, true);
clearWallpaperLocked(true);
}
}
}
@ -230,11 +231,25 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
mWallpaperUpdating = false;
ComponentName comp = mWallpaperComponent;
clearWallpaperComponentLocked();
bindWallpaperComponentLocked(comp, false);
if (!bindWallpaperComponentLocked(comp, false, false)) {
Slog.w(TAG, "Wallpaper no longer available; reverting to default");
clearWallpaperLocked(false);
}
}
}
}
@Override
public void onPackageModified(String packageName) {
synchronized (mLock) {
if (mWallpaperComponent == null ||
!mWallpaperComponent.getPackageName().equals(packageName)) {
return;
}
}
doPackagesChanged(true);
}
@Override
public void onPackageUpdateStarted(String packageName, int uid) {
synchronized (mLock) {
@ -265,7 +280,7 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
changed = true;
if (doit) {
Slog.w(TAG, "Wallpaper uninstalled, removing: " + mWallpaperComponent);
clearWallpaperLocked();
clearWallpaperLocked(false);
}
}
}
@ -283,7 +298,7 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
mWallpaperComponent, 0);
} catch (NameNotFoundException e) {
Slog.w(TAG, "Wallpaper component gone, removing: " + mWallpaperComponent);
clearWallpaperLocked();
clearWallpaperLocked(false);
}
}
if (mNextWallpaperComponent != null
@ -321,45 +336,51 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
public void systemReady() {
if (DEBUG) Slog.v(TAG, "systemReady");
synchronized (mLock) {
RuntimeException e = null;
try {
bindWallpaperComponentLocked(mNextWallpaperComponent, false);
} catch (RuntimeException e) {
Slog.w(TAG, "Failure starting previous wallpaper", e);
try {
bindWallpaperComponentLocked(null, false);
} catch (RuntimeException e2) {
Slog.w(TAG, "Failure starting default wallpaper", e2);
clearWallpaperComponentLocked();
if (bindWallpaperComponentLocked(mNextWallpaperComponent, false, false)) {
return;
}
} catch (RuntimeException e1) {
e = e1;
}
Slog.w(TAG, "Failure starting previous wallpaper", e);
clearWallpaperLocked(false);
}
}
public void clearWallpaper() {
if (DEBUG) Slog.v(TAG, "clearWallpaper");
synchronized (mLock) {
clearWallpaperLocked();
clearWallpaperLocked(false);
}
}
public void clearWallpaperLocked() {
public void clearWallpaperLocked(boolean defaultFailed) {
File f = WALLPAPER_FILE;
if (f.exists()) {
f.delete();
}
final long ident = Binder.clearCallingIdentity();
RuntimeException e = null;
try {
mImageWallpaperPending = false;
bindWallpaperComponentLocked(null, false);
} catch (IllegalArgumentException e) {
// This can happen if the default wallpaper component doesn't
// exist. This should be a system configuration problem, but
// let's not let it crash the system and just live with no
// wallpaper.
Slog.e(TAG, "Default wallpaper component not found!", e);
if (bindWallpaperComponentLocked(defaultFailed
? mImageWallpaperComponent : null, true, false)) {
return;
}
} catch (IllegalArgumentException e1) {
e = e1;
} finally {
Binder.restoreCallingIdentity(ident);
}
// This can happen if the default wallpaper component doesn't
// exist. This should be a system configuration problem, but
// let's not let it crash the system and just live with no
// wallpaper.
Slog.e(TAG, "Default wallpaper component not found!", e);
clearWallpaperComponentLocked();
}
public void setDimensionHints(int width, int height) throws RemoteException {
@ -469,14 +490,14 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
final long ident = Binder.clearCallingIdentity();
try {
mImageWallpaperPending = false;
bindWallpaperComponentLocked(name, false);
bindWallpaperComponentLocked(name, false, true);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
void bindWallpaperComponentLocked(ComponentName componentName, boolean force) {
boolean bindWallpaperComponentLocked(ComponentName componentName, boolean force, boolean fromUser) {
if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: componentName=" + componentName);
// Has the component changed?
@ -486,12 +507,12 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
if (componentName == null) {
if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: still using default");
// Still using default wallpaper.
return;
return true;
}
} else if (mWallpaperComponent.equals(componentName)) {
// Changing to same wallpaper.
if (DEBUG) Slog.v(TAG, "same wallpaper");
return;
return true;
}
}
}
@ -516,9 +537,14 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
ServiceInfo si = mContext.getPackageManager().getServiceInfo(componentName,
PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS);
if (!android.Manifest.permission.BIND_WALLPAPER.equals(si.permission)) {
throw new SecurityException("Selected service does not require "
String msg = "Selected service does not require "
+ android.Manifest.permission.BIND_WALLPAPER
+ ": " + componentName);
+ ": " + componentName;
if (fromUser) {
throw new SecurityException(msg);
}
Slog.w(TAG, msg);
return false;
}
WallpaperInfo wi = null;
@ -535,16 +561,29 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
try {
wi = new WallpaperInfo(mContext, ris.get(i));
} catch (XmlPullParserException e) {
throw new IllegalArgumentException(e);
if (fromUser) {
throw new IllegalArgumentException(e);
}
Slog.w(TAG, e);
return false;
} catch (IOException e) {
throw new IllegalArgumentException(e);
if (fromUser) {
throw new IllegalArgumentException(e);
}
Slog.w(TAG, e);
return false;
}
break;
}
}
if (wi == null) {
throw new SecurityException("Selected service is not a wallpaper: "
+ componentName);
String msg = "Selected service is not a wallpaper: "
+ componentName;
if (fromUser) {
throw new SecurityException(msg);
}
Slog.w(TAG, msg);
return false;
}
}
@ -561,8 +600,13 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
0));
if (!mContext.bindService(intent, newConn,
Context.BIND_AUTO_CREATE)) {
throw new IllegalArgumentException("Unable to bind service: "
+ componentName);
String msg = "Unable to bind service: "
+ componentName;
if (fromUser) {
throw new IllegalArgumentException(msg);
}
Slog.w(TAG, msg);
return false;
}
clearWallpaperComponentLocked();
@ -577,8 +621,14 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
}
} catch (PackageManager.NameNotFoundException e) {
throw new IllegalArgumentException("Unknown component " + componentName);
String msg = "Unknown component " + componentName;
if (fromUser) {
throw new IllegalArgumentException(msg);
}
Slog.w(TAG, msg);
return false;
}
return true;
}
void clearWallpaperComponentLocked() {
@ -611,7 +661,7 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
} catch (RemoteException e) {
Slog.w(TAG, "Failed attaching wallpaper; clearing", e);
if (!mWallpaperUpdating) {
bindWallpaperComponentLocked(null, false);
bindWallpaperComponentLocked(null, false, false);
}
}
}
@ -765,13 +815,11 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
loadSettingsLocked();
if (mNextWallpaperComponent != null &&
!mNextWallpaperComponent.equals(mImageWallpaperComponent)) {
try {
bindWallpaperComponentLocked(mNextWallpaperComponent, false);
} catch (IllegalArgumentException e) {
if (!bindWallpaperComponentLocked(mNextWallpaperComponent, false, false)) {
// No such live wallpaper or other failure; fall back to the default
// live wallpaper (since the profile being restored indicated that the
// user had selected a live rather than static one).
bindWallpaperComponentLocked(null, false);
bindWallpaperComponentLocked(null, false, false);
}
success = true;
} else {
@ -786,7 +834,7 @@ class WallpaperManagerService extends IWallpaperManager.Stub {
}
if (DEBUG) Slog.v(TAG, "settingsRestored: success=" + success);
if (success) {
bindWallpaperComponentLocked(null, false);
bindWallpaperComponentLocked(null, false, false);
}
}
}