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Issue 2441863002: Remove some more !IsModeMaterial code. (Closed)
Patch Set: pull more shades Created 4 years, 2 months ago
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1 // Copyright (c) 2012 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.
4
5 #include "chrome/browser/ui/views/dropdown_bar_view.h"
6
7 #include "base/macros.h"
8 #include "base/memory/ptr_util.h"
9 #include "chrome/browser/themes/theme_service.h"
10 #include "chrome/browser/ui/view_ids.h"
11 #include "chrome/browser/ui/views/frame/browser_view.h"
12 #include "chrome/grit/theme_resources.h"
13 #include "third_party/skia/include/core/SkCanvas.h"
14 #include "third_party/skia/include/core/SkRect.h"
15 #include "ui/base/resource/resource_bundle.h"
16 #include "ui/gfx/canvas.h"
17 #include "ui/gfx/image/image_skia.h"
18 #include "ui/views/background.h"
19 #include "ui/views/border.h"
20 #include "ui/views/painter.h"
21 #include "ui/views/widget/widget.h"
22
23 namespace {
24
25 // Background to paint toolbar background with rounded corners.
26 class DropdownBackground : public views::Background {
27 public:
28 explicit DropdownBackground(BrowserView* browser,
29 const gfx::ImageSkia* left_alpha_mask,
30 const gfx::ImageSkia* right_alpha_mask);
31 ~DropdownBackground() override {}
32
33 // Overridden from views::Background.
34 void Paint(gfx::Canvas* canvas, views::View* view) const override;
35
36 private:
37 BrowserView* browser_view_;
38 const gfx::ImageSkia* left_alpha_mask_;
39 const gfx::ImageSkia* right_alpha_mask_;
40
41 DISALLOW_COPY_AND_ASSIGN(DropdownBackground);
42 };
43
44 DropdownBackground::DropdownBackground(BrowserView* browser_view,
45 const gfx::ImageSkia* left_alpha_mask,
46 const gfx::ImageSkia* right_alpha_mask)
47 : browser_view_(browser_view),
48 left_alpha_mask_(left_alpha_mask),
49 right_alpha_mask_(right_alpha_mask) {
50 }
51
52 void DropdownBackground::Paint(gfx::Canvas* canvas, views::View* view) const {
53 // Find the offset from which to tile the toolbar background image.
54 // First, get the origin with respect to the screen.
55 gfx::Point origin = view->GetWidget()->GetWindowBoundsInScreen().origin();
56 // Now convert from screen to parent coordinates.
57 views::View::ConvertPointFromScreen(browser_view_, &origin);
58 // Finally, calculate the background image tiling offset.
59 origin = browser_view_->OffsetPointForToolbarBackgroundImage(origin);
60
61 const ui::ThemeProvider* tp = view->GetThemeProvider();
62 gfx::ImageSkia background = *tp->GetImageSkiaNamed(IDR_THEME_TOOLBAR);
63
64 int left_edge_width = left_alpha_mask_->width();
65 int right_edge_width = right_alpha_mask_->width();
66 int mask_height = left_alpha_mask_->height();
67 int height = view->bounds().height();
68
69 // Stretch the middle background to cover the entire area.
70 canvas->TileImageInt(background, origin.x(), origin.y(),
71 0, 0, view->bounds().width(), height);
72
73 SkPaint paint;
74 paint.setBlendMode(SkBlendMode::kDstIn);
75 // Draw left edge.
76 canvas->DrawImageInt(*left_alpha_mask_, 0, 0, left_edge_width, mask_height,
77 0, 0, left_edge_width, height, false, paint);
78
79 // Draw right edge.
80 int x_right_edge = view->bounds().width() - right_edge_width;
81 canvas->DrawImageInt(*right_alpha_mask_, 0, 0, right_edge_width,
82 mask_height, x_right_edge, 0, right_edge_width, height, false, paint);
83 }
84
85 } // namespace
86
87 DropdownBarView::DropdownBarView(DropdownBarHost* host) : host_(host) {}
88
89 DropdownBarView::~DropdownBarView() {
90 }
91
92 ////////////////////////////////////////////////////////////////////////////////
93 // DropDownBarView, protected:
94
95 void DropdownBarView::SetBackground(const gfx::ImageSkia* left_alpha_mask,
96 const gfx::ImageSkia* right_alpha_mask) {
97 set_background(new DropdownBackground(host()->browser_view(), left_alpha_mask,
98 right_alpha_mask));
99 }
100
101 void DropdownBarView::SetBorderFromIds(int left_border_image_id,
102 int middle_border_image_id,
103 int right_border_image_id) {
104 int border_image_ids[3] = {left_border_image_id, middle_border_image_id,
105 right_border_image_id};
106 SetBorder(views::Border::CreateBorderPainter(
107 base::MakeUnique<views::HorizontalPainter>(border_image_ids),
108 gfx::Insets()));
109 }
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