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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/wayland/mojom/wayland_overlay_config_mojom_traits.h"
#include <string_view>
#include <variant>
#include "components/crash/core/common/crash_key.h"
namespace mojo {
namespace {
void SetDeserializationCrashKeyString(std::string_view str) {
static crash_reporter::CrashKeyString<128> key("wayland_deserialization");
key.Set(str);
}
} // namespace
// static
wl::mojom::TransformUnionDataView::Tag
UnionTraits<wl::mojom::TransformUnionDataView,
std::variant<gfx::OverlayTransform, gfx::Transform>>::
GetTag(
const std::variant<gfx::OverlayTransform, gfx::Transform>& transform) {
if (std::holds_alternative<gfx::OverlayTransform>(transform)) {
return wl::mojom::TransformUnionDataView::Tag::kOverlayTransform;
}
return wl::mojom::TransformUnionDataView::Tag::kMatrixTransform;
}
// static
bool UnionTraits<wl::mojom::TransformUnionDataView,
std::variant<gfx::OverlayTransform, gfx::Transform>>::
Read(wl::mojom::TransformUnionDataView data,
std::variant<gfx::OverlayTransform, gfx::Transform>* out) {
switch (data.tag()) {
case wl::mojom::TransformUnionDataView::Tag::kOverlayTransform:
gfx::OverlayTransform overlay_transform;
if (!data.ReadOverlayTransform(&overlay_transform)) {
return false;
}
*out = overlay_transform;
return true;
case wl::mojom::TransformUnionDataView::Tag::kMatrixTransform:
gfx::Transform matrix_transform;
if (!data.ReadMatrixTransform(&matrix_transform)) {
return false;
}
*out = matrix_transform;
return true;
}
}
// static
bool StructTraits<wl::mojom::WaylandOverlayConfigDataView,
wl::WaylandOverlayConfig>::
Read(wl::mojom::WaylandOverlayConfigDataView data,
wl::WaylandOverlayConfig* out) {
out->z_order = data.z_order();
if (!data.ReadColorSpace(&out->color_space))
return false;
if (!data.ReadTransform(&out->transform))
return false;
out->buffer_id = data.buffer_id();
if (data.surface_scale_factor() <= 0) {
SetDeserializationCrashKeyString("Invalid surface scale factor.");
return false;
}
out->surface_scale_factor = data.surface_scale_factor();
if (!data.ReadBoundsRect(&out->bounds_rect))
return false;
if (!data.ReadCropRect(&out->crop_rect))
return false;
if (!data.ReadDamageRegion(&out->damage_region))
return false;
out->enable_blend = data.enable_blend();
if (data.opacity() < 0 || data.opacity() > 1.f) {
SetDeserializationCrashKeyString("Invalid opacity value.");
return false;
}
out->opacity = data.opacity();
if (!data.ReadAccessFenceHandle(&out->access_fence_handle))
return false;
if (!data.ReadPriorityHint(&out->priority_hint))
return false;
return true;
}
} // namespace mojo
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