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Diffstat (limited to 'core/java/android/view/InsetsState.java')
| -rw-r--r-- | core/java/android/view/InsetsState.java | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/core/java/android/view/InsetsState.java b/core/java/android/view/InsetsState.java index 3822ee59b4aa..f0bca260be38 100644 --- a/core/java/android/view/InsetsState.java +++ b/core/java/android/view/InsetsState.java @@ -245,6 +245,44 @@ public class InsetsState implements Parcelable { return insets.toRect(); } + /** + * Calculate which insets *cannot* be controlled, because the frame does not cover the + * respective side of the inset. + * + * If the frame of our window doesn't cover the entire inset, the control API makes very + * little sense, as we don't deal with negative insets. + */ + @InsetsType + public int calculateUncontrollableInsetsFromFrame(Rect frame) { + int blocked = 0; + for (int type = FIRST_TYPE; type <= LAST_TYPE; type++) { + InsetsSource source = mSources.get(type); + if (source == null) { + continue; + } + if (!canControlSide(frame, getInsetSide( + source.calculateInsets(frame, true /* ignoreVisibility */)))) { + blocked |= toPublicType(type); + } + } + return blocked; + } + + private boolean canControlSide(Rect frame, int side) { + switch (side) { + case ISIDE_LEFT: + case ISIDE_RIGHT: + return frame.left == mDisplayFrame.left && frame.right == mDisplayFrame.right; + case ISIDE_TOP: + case ISIDE_BOTTOM: + return frame.top == mDisplayFrame.top && frame.bottom == mDisplayFrame.bottom; + case ISIDE_FLOATING: + return true; + default: + return false; + } + } + private void processSource(InsetsSource source, Rect relativeFrame, boolean ignoreVisibility, Insets[] typeInsetsMap, @Nullable @InternalInsetsSide SparseIntArray typeSideMap, @Nullable boolean[] typeVisibilityMap) { |