| // Copyright 2014 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 "athena/system/background_controller.h" |
| |
| #include "athena/system/public/system_ui.h" |
| #include "ui/aura/window.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/gfx/image/image_skia.h" |
| #include "ui/views/view.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace athena { |
| |
| class BackgroundView : public views::View { |
| public: |
| BackgroundView() : system_info_view_(nullptr) { |
| system_info_view_ = |
| SystemUI::Get()->CreateSystemInfoView(SystemUI::COLOR_SCHEME_LIGHT); |
| AddChildView(system_info_view_); |
| } |
| ~BackgroundView() override {} |
| |
| void SetImage(const gfx::ImageSkia& image) { |
| image_ = image; |
| SchedulePaint(); |
| } |
| |
| // views::View: |
| virtual void Layout() override { |
| system_info_view_->SetBounds( |
| 0, 0, width(), system_info_view_->GetPreferredSize().height()); |
| } |
| |
| virtual void OnPaint(gfx::Canvas* canvas) override { |
| canvas->DrawImageInt(image_, |
| 0, |
| 0, |
| image_.width(), |
| image_.height(), |
| 0, |
| 0, |
| width(), |
| height(), |
| true); |
| } |
| |
| private: |
| gfx::ImageSkia image_; |
| views::View* system_info_view_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BackgroundView); |
| }; |
| |
| BackgroundController::BackgroundController(aura::Window* background_container) { |
| views::Widget* background_widget = new views::Widget; |
| views::Widget::InitParams params( |
| views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); |
| params.parent = background_container; |
| background_widget->Init(params); |
| background_widget->GetNativeWindow()->layer()->SetMasksToBounds(true); |
| background_view_ = new BackgroundView; |
| background_widget->SetContentsView(background_view_); |
| background_widget->GetNativeView()->SetName("BackgroundWidget"); |
| background_widget->Show(); |
| } |
| |
| BackgroundController::~BackgroundController() { |
| // background_widget is owned by the container and will be deleted |
| // when the container is deleted. |
| } |
| |
| void BackgroundController::SetImage(const gfx::ImageSkia& image) { |
| // TODO(oshima): implement cross fede animation. |
| background_view_->SetImage(image); |
| } |
| |
| } // namespace athena |