Merge "Make animation leashes hidden on creation" into rvc-dev

import java.io.PrintWriter;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.function.Supplier;

/**

 * A class that can run animations on objects that have a set of child surfaces. We do this by

        if (mLeash == null) {

            mLeash = createAnimationLeash(mAnimatable, surface, t, type,

                    mAnimatable.getSurfaceWidth(), mAnimatable.getSurfaceHeight(), 0 /* x */,

                    0 /* y */, hidden);

                    0 /* y */, hidden, mService.mTransactionFactory);

            mAnimatable.onAnimationLeashCreated(t, mLeash);

        }

        mAnimatable.onLeashAnimationStarting(t, mLeash);

    static SurfaceControl createAnimationLeash(Animatable animatable, SurfaceControl surface,

            Transaction t, @AnimationType int type, int width, int height, int x, int y,

            boolean hidden) {

            boolean hidden, Supplier<Transaction> transactionFactory) {

        if (DEBUG_ANIM) Slog.i(TAG, "Reparenting to leash");

        final SurfaceControl.Builder builder = animatable.makeAnimationLeash()

                .setParent(animatable.getAnimationLeashParent())

                .setHidden(hidden)

                .setName(surface + " - animation-leash");

        final SurfaceControl leash = builder.build();

        if (!hidden) {

            // TODO(b/151665759) Defer reparent calls

            // We want the leash to be visible immediately but we want to set the effects on

            // the layer. Since the transaction used in this function may be deferred, we apply

            // another transaction immediately with the correct visibility and effects.

            // If this doesn't work, you will can see the 2/3 button nav bar flicker during

            // seamless rotation.

            transactionFactory.get().unsetColor(leash).show(leash).apply();

        }

        t.setWindowCrop(leash, width, height);

        t.setPosition(leash, x, y);

        t.show(leash);

        mLeash = SurfaceAnimator.createAnimationLeash(mAnimatable, mAnimatable.getSurfaceControl(),

                t, ANIMATION_TYPE_SCREEN_ROTATION, startBounds.width(), startBounds.height(),

                startBounds.left, startBounds.top, false /* hidden */);

                startBounds.left, startBounds.top, false /* hidden */,

                mWmService.mTransactionFactory);

        mAnimatable.onAnimationLeashCreated(t, mLeash);

        SurfaceControl freezeTarget = mAnimatable.getFreezeSnapshotTarget();