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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 "ash/style/system_shadow_on_nine_patch_layer.h"
#include "ash/root_window_controller.h"
#include "ash/style/ash_color_provider_source.h"
#include "ash/style/style_util.h"
#include "ui/color/color_provider.h"
#include "ui/compositor/layer.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace ash {
// -----------------------------------------------------------------------------
// SystemShadowOnNinePatchLayer:
SystemShadowOnNinePatchLayer::~SystemShadowOnNinePatchLayer() = default;
void SystemShadowOnNinePatchLayer::SetType(SystemShadow::Type type) {
shadow()->SetElevation(SystemShadow::GetElevationFromType(type));
}
void SystemShadowOnNinePatchLayer::SetContentBounds(const gfx::Rect& bounds) {
shadow()->SetContentBounds(bounds);
}
void SystemShadowOnNinePatchLayer::SetRoundedCornerRadius(int corner_radius) {
shadow()->SetRoundedCornerRadius(corner_radius);
}
void SystemShadowOnNinePatchLayer::SetRoundedCorners(
const gfx::RoundedCornersF& rounded_corners) {
// TODO(http://b/307326019): use corresponding interface of `ui::Shadow` when
// available.
NOTREACHED() << "Setting uneven rounded corners to the shadow on nine patch "
"layer is not ready.";
}
const gfx::Rect& SystemShadowOnNinePatchLayer::GetContentBounds() {
return shadow()->content_bounds();
}
ui::Layer* SystemShadowOnNinePatchLayer::GetLayer() {
return shadow()->layer();
}
ui::Layer* SystemShadowOnNinePatchLayer::GetNinePatchLayer() {
return shadow()->shadow_layer();
}
const gfx::ShadowValues
SystemShadowOnNinePatchLayer::GetShadowValuesForTesting() const {
return shadow()->details_for_testing()->values;
}
void SystemShadowOnNinePatchLayer::UpdateShadowColors(
const ui::ColorProvider* color_provider) {
shadow()->SetElevationToColorsMap(
StyleUtil::CreateShadowElevationToColorsMap(color_provider));
}
// -----------------------------------------------------------------------------
// SystemShadowOnNinePatchLayerImpl:
SystemShadowOnNinePatchLayerImpl::SystemShadowOnNinePatchLayerImpl(
SystemShadow::Type type,
const LayerRecreatedCallback& layer_recreated_callback)
: layer_recreated_callback_(layer_recreated_callback) {
shadow_.Init(SystemShadow::GetElevationFromType(type));
shadow_.SetShadowStyle(gfx::ShadowStyle::kChromeOSSystemUI);
if (layer_recreated_callback) {
shadow_observation_.Observe(&shadow_);
}
}
SystemShadowOnNinePatchLayerImpl::~SystemShadowOnNinePatchLayerImpl() = default;
void SystemShadowOnNinePatchLayerImpl::OnLayerRecreated(ui::Layer* old_layer) {
layer_recreated_callback_.Run(old_layer, shadow_.layer());
}
ui::Shadow* SystemShadowOnNinePatchLayerImpl::shadow() {
return &shadow_;
}
const ui::Shadow* SystemShadowOnNinePatchLayerImpl::shadow() const {
return &shadow_;
}
// -----------------------------------------------------------------------------
// SystemViewShadowOnNinePatchLayer:
SystemViewShadowOnNinePatchLayer::SystemViewShadowOnNinePatchLayer(
views::View* view,
SystemShadow::Type type)
: view_shadow_(view, SystemShadow::GetElevationFromType(type)) {
view_shadow_.shadow()->SetShadowStyle(gfx::ShadowStyle::kChromeOSSystemUI);
view_observation_.Observe(view);
if (auto* widget = view->GetWidget()) {
ObserveColorProviderSource(widget);
}
}
SystemViewShadowOnNinePatchLayer::~SystemViewShadowOnNinePatchLayer() = default;
void SystemViewShadowOnNinePatchLayer::SetRoundedCornerRadius(
int corner_radius) {
view_shadow_.SetRoundedCornerRadius(corner_radius);
}
void SystemViewShadowOnNinePatchLayer::OnViewAddedToWidget(
views::View* observed_view) {
ObserveColorProviderSource(observed_view->GetWidget());
}
void SystemViewShadowOnNinePatchLayer::OnViewIsDeleting(
views::View* observed_view) {
view_observation_.Reset();
}
void SystemViewShadowOnNinePatchLayer::SetContentBounds(
const gfx::Rect& content_bounds) {}
ui::Shadow* SystemViewShadowOnNinePatchLayer::shadow() {
return view_shadow_.shadow();
}
const ui::Shadow* SystemViewShadowOnNinePatchLayer::shadow() const {
return view_shadow_.shadow();
}
// -----------------------------------------------------------------------------
// SystemWindowShadowOnNinePatchLayer:
SystemWindowShadowOnNinePatchLayer::SystemWindowShadowOnNinePatchLayer(
aura::Window* window,
SystemShadow::Type type)
: SystemShadowOnNinePatchLayerImpl(type, LayerRecreatedCallback()) {
auto* window_layer = window->layer();
auto* shadow_layer = GetLayer();
window_layer->Add(shadow_layer);
window_layer->StackAtBottom(shadow_layer);
SystemShadowOnNinePatchLayerImpl::SetContentBounds(window_layer->bounds());
window_observation_.Observe(window);
if (window->GetRootWindow()) {
ObserveColorProviderSource(
RootWindowController::ForWindow(window)->color_provider_source());
}
}
SystemWindowShadowOnNinePatchLayer::~SystemWindowShadowOnNinePatchLayer() =
default;
void SystemWindowShadowOnNinePatchLayer::OnWindowBoundsChanged(
aura::Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds,
ui::PropertyChangeReason reason) {
SystemShadowOnNinePatchLayerImpl::SetContentBounds(
gfx::Rect(new_bounds.size()));
}
void SystemWindowShadowOnNinePatchLayer::OnWindowDestroyed(
aura::Window* window) {
window_observation_.Reset();
}
void SystemWindowShadowOnNinePatchLayer::OnWindowAddedToRootWindow(
aura::Window* window) {
ObserveColorProviderSource(
RootWindowController::ForWindow(window)->color_provider_source());
}
void SystemWindowShadowOnNinePatchLayer::SetContentBounds(
const gfx::Rect& content_bounds) {}
} // namespace ash
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