diff options
Diffstat (limited to 'components/shared/base/id.rs')
| -rw-r--r-- | components/shared/base/id.rs | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/components/shared/base/id.rs b/components/shared/base/id.rs index bb4c5abb4cc..acfc6493900 100644 --- a/components/shared/base/id.rs +++ b/components/shared/base/id.rs @@ -16,7 +16,7 @@ use malloc_size_of::malloc_size_of_is_0; use malloc_size_of_derive::MallocSizeOf; use parking_lot::Mutex; use serde::{Deserialize, Serialize}; -use webrender_api::{ExternalScrollId, PipelineId as WebRenderPipelineId}; +use webrender_api::{ExternalScrollId, PipelineId as WebRenderPipelineId, SpatialId}; /// Asserts the size of a type at compile time. macro_rules! size_of_test { @@ -442,3 +442,15 @@ pub const TEST_BROWSING_CONTEXT_ID: BrowsingContextId = BrowsingContextId { }; pub const TEST_WEBVIEW_ID: WebViewId = WebViewId(TEST_BROWSING_CONTEXT_ID); + +/// An id for a ScrollTreeNode in the ScrollTree. This contains both the index +/// to the node in the tree's array of nodes as well as the corresponding SpatialId +/// for the SpatialNode in the WebRender display list. +#[derive(Clone, Copy, Debug, Default, Deserialize, PartialEq, Serialize)] +pub struct ScrollTreeNodeId { + /// The index of this scroll tree node in the tree's array of nodes. + pub index: usize, + + /// The WebRender spatial id of this scroll tree node. + pub spatial_id: SpatialId, +} |