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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/wm/system_background_controller.h"
#include "ui/aura/window.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_type.h"
namespace ash {
SystemBackgroundController::SystemBackgroundController(
aura::Window* root_window,
SkColor color)
: root_window_(root_window),
layer_(new ui::Layer(ui::LAYER_SOLID_COLOR)) {
root_window_->AddObserver(this);
layer_->SetColor(color);
ui::Layer* root_layer = root_window_->layer();
layer_->SetBounds(gfx::Rect(root_layer->bounds().size()));
root_layer->Add(layer_.get());
root_layer->StackAtBottom(layer_.get());
}
SystemBackgroundController::~SystemBackgroundController() {
root_window_->RemoveObserver(this);
}
void SystemBackgroundController::SetColor(SkColor color) {
layer_->SetColor(color);
}
void SystemBackgroundController::OnWindowBoundsChanged(
aura::Window* root,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) {
DCHECK_EQ(root_window_, root);
layer_->SetBounds(gfx::Rect(root_window_->layer()->bounds().size()));
}
} // namespace ash
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