void collapseDropShadowAndBackground() {
   leftFrameStubProxy.flipDropShadowVisibility(VISIBLE);
   rightFrameStubProxy.flipDropShadowVisibility(VISIBLE);
   getDropShadowTop().setVisibility(fullscreenMode ? VISIBLE : INVISIBLE);
   getResources();
   setLayoutHeight(
       getBottomBackground(),
       getInputFrameHeight() + (fullscreenMode ? dimensionPixelSize.translucentBorderHeight : 0));
   isDropShadowExpanded = false;
 }
 void expandDropShadowAndBackground() {
   leftFrameStubProxy.flipDropShadowVisibility(INVISIBLE);
   rightFrameStubProxy.flipDropShadowVisibility(INVISIBLE);
   getDropShadowTop().setVisibility(VISIBLE);
   getResources();
   setLayoutHeight(
       getBottomBackground(),
       imeWindowHeight - (fullscreenMode ? 0 : dimensionPixelSize.translucentBorderHeight));
   isDropShadowExpanded = true;
 }