types.go

package layertree

// Code generated by chromedp-gen. DO NOT EDIT.

import (
	"errors"

	cdp "github.com/rjeczalik/chromedp/cdp"
	"github.com/rjeczalik/chromedp/cdp/dom"
	"github.com/mailru/easyjson"
	"github.com/mailru/easyjson/jlexer"
	"github.com/mailru/easyjson/jwriter"
)

// LayerID unique Layer identifier.
type LayerID string

// String returns the LayerID as string value.
func (t LayerID) String() string {
	return string(t)
}

// SnapshotID unique snapshot identifier.
type SnapshotID string

// String returns the SnapshotID as string value.
func (t SnapshotID) String() string {
	return string(t)
}

// ScrollRect rectangle where scrolling happens on the main thread.
type ScrollRect struct {
	Rect *dom.Rect      `json:"rect"` // Rectangle itself.
	Type ScrollRectType `json:"type"` // Reason for rectangle to force scrolling on the main thread
}

// StickyPositionConstraint sticky position constraints.
type StickyPositionConstraint struct {
	StickyBoxRect                       *dom.Rect `json:"stickyBoxRect"`                                 // Layout rectangle of the sticky element before being shifted
	ContainingBlockRect                 *dom.Rect `json:"containingBlockRect"`                           // Layout rectangle of the containing block of the sticky element
	NearestLayerShiftingStickyBox       LayerID   `json:"nearestLayerShiftingStickyBox,omitempty"`       // The nearest sticky layer that shifts the sticky box
	NearestLayerShiftingContainingBlock LayerID   `json:"nearestLayerShiftingContainingBlock,omitempty"` // The nearest sticky layer that shifts the containing block
}

// PictureTile serialized fragment of layer picture along with its offset
// within the layer.
type PictureTile struct {
	X       float64 `json:"x"`       // Offset from owning layer left boundary
	Y       float64 `json:"y"`       // Offset from owning layer top boundary
	Picture string  `json:"picture"` // Base64-encoded snapshot data.
}

// Layer information about a compositing layer.
type Layer struct {
	LayerID                  LayerID                   `json:"layerId"`                            // The unique id for this layer.
	ParentLayerID            LayerID                   `json:"parentLayerId,omitempty"`            // The id of parent (not present for root).
	BackendNodeID            cdp.BackendNodeID         `json:"backendNodeId,omitempty"`            // The backend id for the node associated with this layer.
	OffsetX                  float64                   `json:"offsetX"`                            // Offset from parent layer, X coordinate.
	OffsetY                  float64                   `json:"offsetY"`                            // Offset from parent layer, Y coordinate.
	Width                    float64                   `json:"width"`                              // Layer width.
	Height                   float64                   `json:"height"`                             // Layer height.
	Transform                []float64                 `json:"transform,omitempty"`                // Transformation matrix for layer, default is identity matrix
	AnchorX                  float64                   `json:"anchorX,omitempty"`                  // Transform anchor point X, absent if no transform specified
	AnchorY                  float64                   `json:"anchorY,omitempty"`                  // Transform anchor point Y, absent if no transform specified
	AnchorZ                  float64                   `json:"anchorZ,omitempty"`                  // Transform anchor point Z, absent if no transform specified
	PaintCount               int64                     `json:"paintCount"`                         // Indicates how many time this layer has painted.
	DrawsContent             bool                      `json:"drawsContent"`                       // Indicates whether this layer hosts any content, rather than being used for transform/scrolling purposes only.
	Invisible                bool                      `json:"invisible,omitempty"`                // Set if layer is not visible.
	ScrollRects              []*ScrollRect             `json:"scrollRects,omitempty"`              // Rectangles scrolling on main thread only.
	StickyPositionConstraint *StickyPositionConstraint `json:"stickyPositionConstraint,omitempty"` // Sticky position constraint information
}

// PaintProfile array of timings, one per paint step.
type PaintProfile []float64

// ScrollRectType reason for rectangle to force scrolling on the main thread.
type ScrollRectType string

// String returns the ScrollRectType as string value.
func (t ScrollRectType) String() string {
	return string(t)
}

// ScrollRectType values.
const (
	ScrollRectTypeRepaintsOnScroll  ScrollRectType = "RepaintsOnScroll"
	ScrollRectTypeTouchEventHandler ScrollRectType = "TouchEventHandler"
	ScrollRectTypeWheelEventHandler ScrollRectType = "WheelEventHandler"
)

// MarshalEasyJSON satisfies easyjson.Marshaler.
func (t ScrollRectType) MarshalEasyJSON(out *jwriter.Writer) {
	out.String(string(t))
}

// MarshalJSON satisfies json.Marshaler.
func (t ScrollRectType) MarshalJSON() ([]byte, error) {
	return easyjson.Marshal(t)
}

// UnmarshalEasyJSON satisfies easyjson.Unmarshaler.
func (t *ScrollRectType) UnmarshalEasyJSON(in *jlexer.Lexer) {
	switch ScrollRectType(in.String()) {
	case ScrollRectTypeRepaintsOnScroll:
		*t = ScrollRectTypeRepaintsOnScroll
	case ScrollRectTypeTouchEventHandler:
		*t = ScrollRectTypeTouchEventHandler
	case ScrollRectTypeWheelEventHandler:
		*t = ScrollRectTypeWheelEventHandler

	default:
		in.AddError(errors.New("unknown ScrollRectType value"))
	}
}

// UnmarshalJSON satisfies json.Unmarshaler.
func (t *ScrollRectType) UnmarshalJSON(buf []byte) error {
	return easyjson.Unmarshal(buf, t)
}