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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/layers/nine_patch_layer_impl.h"
#include <memory>
#include <vector>
#include "base/functional/callback_helpers.h"
#include "base/trace_event/traced_value.h"
#include "cc/base/math_util.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/occlusion.h"
#include "components/viz/common/quads/texture_draw_quad.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/rect_f.h"
namespace cc {
NinePatchLayerImpl::NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id)
: UIResourceLayerImpl(tree_impl, id) {}
NinePatchLayerImpl::~NinePatchLayerImpl() = default;
mojom::LayerType NinePatchLayerImpl::GetLayerType() const {
return mojom::LayerType::kNinePatch;
}
std::unique_ptr<LayerImpl> NinePatchLayerImpl::CreateLayerImpl(
LayerTreeImpl* tree_impl) const {
return NinePatchLayerImpl::Create(tree_impl, id());
}
void NinePatchLayerImpl::PushPropertiesTo(LayerImpl* layer) {
UIResourceLayerImpl::PushPropertiesTo(layer);
NinePatchLayerImpl* layer_impl = static_cast<NinePatchLayerImpl*>(layer);
layer_impl->quad_generator_ = this->quad_generator_;
}
void NinePatchLayerImpl::SetLayout(const gfx::Rect& aperture,
const gfx::Rect& border,
const gfx::Rect& layer_occlusion,
bool fill_center) {
// This check imposes an ordering on the call sequence. An UIResource must
// exist before SetLayout can be called.
DCHECK(ui_resource_id_);
if (!quad_generator_.SetLayout(
image_bounds_, bounds(), aperture, border, layer_occlusion,
fill_center,
GetFilterQuality() == PaintFlags::FilterQuality::kNone)) {
return;
}
NoteLayerPropertyChanged();
}
void NinePatchLayerImpl::AppendQuads(const AppendQuadsContext& context,
viz::CompositorRenderPass* render_pass,
AppendQuadsData* append_quads_data) {
DCHECK(!bounds().IsEmpty());
quad_generator_.CheckGeometryLimitations();
viz::SharedQuadState* shared_quad_state =
render_pass->CreateAndAppendSharedQuadState();
bool is_resource =
ui_resource_id_ &&
layer_tree_impl()->ResourceIdForUIResource(ui_resource_id_);
bool are_contents_opaque =
is_resource ? layer_tree_impl()->IsUIResourceOpaque(ui_resource_id_) ||
contents_opaque()
: false;
PopulateSharedQuadState(shared_quad_state, are_contents_opaque);
AppendDebugBorderQuad(render_pass, gfx::Rect(bounds()), shared_quad_state,
append_quads_data);
if (!is_resource)
return;
std::vector<NinePatchGenerator::Patch> patches =
quad_generator_.GeneratePatches();
quad_generator_.AppendQuadsForCc(this, ui_resource_id_, render_pass,
shared_quad_state, patches);
}
void NinePatchLayerImpl::AsValueInto(
base::trace_event::TracedValue* state) const {
LayerImpl::AsValueInto(state);
quad_generator_.AsValueInto(state);
}
} // namespace cc
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