1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ui/app_list/views/progress_bar_view.h"
9 #include "ui/base/resource/resource_bundle.h"
10 #include "ui/gfx/image/image_skia.h"
11 #include "ui/gfx/insets.h"
12 #include "ui/resources/grit/ui_resources.h"
13 #include "ui/views/painter.h"
19 // Image assets for the bar part.
20 const int kProgressBarImages
[] = {
21 IDR_APP_LIST_ITEM_PROGRESS_LEFT
,
22 IDR_APP_LIST_ITEM_PROGRESS_CENTER
,
23 IDR_APP_LIST_ITEM_PROGRESS_RIGHT
28 ProgressBarView::ProgressBarView()
29 : background_painter_(views::Painter::CreateImagePainter(
30 *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
31 IDR_APP_LIST_ITEM_PROGRESS_BACKGROUND
),
32 gfx::Insets(2, 2, 2, 2))),
33 bar_painter_(new views::HorizontalPainter(kProgressBarImages
)) {}
35 ProgressBarView::~ProgressBarView() {}
37 gfx::Size
ProgressBarView::GetPreferredSize() const {
38 return background_painter_
->GetMinimumSize();
41 void ProgressBarView::OnPaint(gfx::Canvas
* canvas
) {
42 gfx::Size paint_size
= size();
44 const gfx::Size
min_size(background_painter_
->GetMinimumSize());
45 if (paint_size
.width() < min_size
.width() ||
46 paint_size
.height() < min_size
.height()) {
50 background_painter_
->Paint(canvas
, paint_size
);
52 const int kBarEndWidth
= 4;
53 const int bar_width
= paint_size
.width() - kBarEndWidth
;
54 DCHECK_GE(bar_width
, 0);
56 // Map normalized value in [0,1] to the pixel width in
57 // [kBarEndWidth, view_size.width()].
58 paint_size
.set_width(kBarEndWidth
+ bar_width
* GetNormalizedValue());
59 bar_painter_
->Paint(canvas
, paint_size
);
62 } // namespace app_list