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33b966139e
Summary: This diff changes the behavior of the Scheduler.schedulerDidRequestPreliminaryViewAllocation to avoid pre-allocating views that are non-layoutables Reviewed By: shergin Differential Revision: D12962008 fbshipit-source-id: cb2670beafdcbd2116fbdaf2dc5d1b4726330ec2
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
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// This source code is licensed under the MIT license found in the
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// LICENSE file in the root directory of this source tree.
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#pragma once
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#include <memory>
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#include <react/core/ReactPrimitives.h>
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#include <react/core/ShadowNode.h>
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#include <react/uimanager/ShadowViewMutation.h>
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namespace facebook {
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namespace react {
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/*
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* Abstract class for Scheduler's delegate.
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*/
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class SchedulerDelegate {
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public:
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/*
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* Called right after Scheduler computed (and laid out) a new updated version
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* of the tree and calculated a set of mutations which are suffisient
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* to construct a new one.
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*/
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virtual void schedulerDidFinishTransaction(
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Tag rootTag,
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const ShadowViewMutationList &mutations) = 0;
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/*
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* Called right after a new ShadowNode was created.
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*/
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virtual void schedulerDidRequestPreliminaryViewAllocation(
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SurfaceId surfaceId,
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ComponentName componentName,
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bool isLayoutable,
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ComponentHandle componentHandle) = 0;
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virtual ~SchedulerDelegate() noexcept = default;
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};
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} // namespace react
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} // namespace facebook
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