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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
import "scroll_offset.proto";
option optimize_for = LITE_RUNTIME;
package cc.proto;
// Since plumbing SyncedScrollOffset is only used by PropertyTree, and can only
// travel from main thread to impl thread one way, the From/To protobuf function
// for SyncedProperty only needs to care the current base, because main thread
// does not have pending/active tree or scroll offset deltas.
message ScrollOffsetGroup {
optional ScrollOffset pending_base = 1;
optional ScrollOffset pending_delta = 2;
optional ScrollOffset active_base = 3;
optional ScrollOffset active_delta = 4;
optional ScrollOffset sent_delta = 5;
}
message SyncedProperty {
optional bool clobber_active_value = 1;
optional ScrollOffsetGroup scroll_offset_group = 1001;
}
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