Merge "Resize PiP on display density dpi change" into tm-d1-dev

            mMenuController.attachPipMenuView();

            // Calculate the snap fraction of the current stack along the old movement bounds

            final PipSnapAlgorithm pipSnapAlgorithm = mPipBoundsAlgorithm.getSnapAlgorithm();

            final Rect postChangeStackBounds = new Rect(mPipBoundsState.getBounds());

            final float snapFraction = pipSnapAlgorithm.getSnapFraction(postChangeStackBounds,

                    mPipBoundsAlgorithm.getMovementBounds(postChangeStackBounds),

            final Rect postChangeBounds = new Rect(mPipBoundsState.getBounds());

            final float snapFraction = pipSnapAlgorithm.getSnapFraction(postChangeBounds,

                    mPipBoundsAlgorithm.getMovementBounds(postChangeBounds),

                    mPipBoundsState.getStashedState());

            // Scale PiP on density dpi change, so it appears to be the same size physically.

            final boolean densityDpiChanged = mPipBoundsState.getDisplayLayout().densityDpi() != 0

                    && (mPipBoundsState.getDisplayLayout().densityDpi() != layout.densityDpi());

            if (densityDpiChanged) {

                final float scale = (float) layout.densityDpi()

                        / mPipBoundsState.getDisplayLayout().densityDpi();

                postChangeBounds.set(0, 0,

                        (int) (postChangeBounds.width() * scale),

                        (int) (postChangeBounds.height() * scale));

            }

            updateDisplayLayout.run();

            // Calculate the stack bounds in the new orientation based on same fraction along the

            // Calculate the PiP bounds in the new orientation based on same fraction along the

            // rotated movement bounds.

            final Rect postChangeMovementBounds = mPipBoundsAlgorithm.getMovementBounds(

                    postChangeStackBounds, false /* adjustForIme */);

            pipSnapAlgorithm.applySnapFraction(postChangeStackBounds, postChangeMovementBounds,

                    postChangeBounds, false /* adjustForIme */);

            pipSnapAlgorithm.applySnapFraction(postChangeBounds, postChangeMovementBounds,

                    snapFraction, mPipBoundsState.getStashedState(),

                    mPipBoundsState.getStashOffset(),

                    mPipBoundsState.getDisplayBounds(),

                    mPipBoundsState.getDisplayLayout().stableInsets());

            mTouchHandler.getMotionHelper().movePip(postChangeStackBounds);

            if (densityDpiChanged) {

                // Using PipMotionHelper#movePip directly here may cause race condition since

                // the app content in PiP mode may or may not be updated for the new density dpi.

                final int duration = mContext.getResources().getInteger(

                        R.integer.config_pipEnterAnimationDuration);

                mPipTaskOrganizer.scheduleAnimateResizePip(

                        postChangeBounds, duration, null /* updateBoundsCallback */);

            } else {

                mTouchHandler.getMotionHelper().movePip(postChangeBounds);

            }

        } else {

            updateDisplayLayout.run();

        }