diff options
Diffstat (limited to 'services/core/java/com/android/server/wm/WindowManagerService.java')
| -rw-r--r-- | services/core/java/com/android/server/wm/WindowManagerService.java | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java index 7c8a537a9a71..4281568b44d9 100644 --- a/services/core/java/com/android/server/wm/WindowManagerService.java +++ b/services/core/java/com/android/server/wm/WindowManagerService.java @@ -1678,6 +1678,7 @@ public class WindowManagerService extends IWindowManager.Stub final DisplayPolicy displayPolicy = displayContent.getDisplayPolicy(); displayPolicy.adjustWindowParamsLw(win, win.mAttrs); + attrs.flags = sanitizeFlagSlippery(attrs.flags, win.getName(), callingUid, callingPid); win.updateRequestedVisibility(requestedVisibility); res = displayPolicy.validateAddingWindowLw(attrs, callingPid, callingUid); @@ -2240,6 +2241,7 @@ public class WindowManagerService extends IWindowManager.Stub if (attrs != null) { displayPolicy.adjustWindowParamsLw(win, attrs); win.mToken.adjustWindowParams(win, attrs); + attrs.flags = sanitizeFlagSlippery(attrs.flags, win.getName(), uid, pid); int disableFlags = (attrs.systemUiVisibility | attrs.subtreeSystemUiVisibility) & DISABLE_MASK; if (disableFlags != 0 && !hasStatusBarPermission(pid, uid)) { @@ -8179,6 +8181,23 @@ public class WindowManagerService extends IWindowManager.Stub } /** + * You need ALLOW_SLIPPERY_TOUCHES permission to be able to set FLAG_SLIPPERY. + */ + private int sanitizeFlagSlippery(int flags, String windowName, int callingUid, int callingPid) { + if ((flags & FLAG_SLIPPERY) == 0) { + return flags; + } + final int permissionResult = mContext.checkPermission( + android.Manifest.permission.ALLOW_SLIPPERY_TOUCHES, callingPid, callingUid); + if (permissionResult != PackageManager.PERMISSION_GRANTED) { + Slog.w(TAG, "Removing FLAG_SLIPPERY from '" + windowName + + "' because it doesn't have ALLOW_SLIPPERY_TOUCHES permission"); + return flags & ~FLAG_SLIPPERY; + } + return flags; + } + + /** * Assigns an InputChannel to a SurfaceControl and configures it to receive * touch input according to it's on-screen geometry. * @@ -8216,7 +8235,7 @@ public class WindowManagerService extends IWindowManager.Stub h.token = channelToken; h.name = name; - flags = DisplayPolicy.sanitizeFlagSlippery(flags, privateFlags, name); + flags = sanitizeFlagSlippery(flags, name, callingUid, callingPid); final int sanitizedFlags = flags & (LayoutParams.FLAG_NOT_TOUCHABLE | FLAG_SLIPPERY | LayoutParams.FLAG_NOT_FOCUSABLE); |