| // 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/screen/background_controller.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() {} |
| virtual ~BackgroundView() {} |
| |
| void SetImage(const gfx::ImageSkia& image) { |
| image_ = image; |
| SchedulePaint(); |
| } |
| |
| // views::View |
| 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BackgroundView); |
| }; |
| |
| BackgroundController::BackgroundController(aura::Window* container) { |
| // TODO(oshima): Using widget to just draw an image is probably |
| // overkill. Just use WindowDelegate to draw the background and |
| // remove dependency to ui/views. |
| |
| views::Widget* background_widget = new views::Widget; |
| views::Widget::InitParams params( |
| views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); |
| params.accept_events = false; |
| params.parent = 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 |