1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
// 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 "chrome/browser/ui/views/tab_icon_view.h"
#if defined(OS_WIN)
#include <windows.h>
#include <shellapi.h>
#endif
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "build/build_config.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/ui/views/tab_icon_view_model.h"
#include "grit/theme_resources.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/theme_provider.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/favicon_size.h"
#include "ui/gfx/paint_throbber.h"
#include "ui/native_theme/native_theme.h"
#include "ui/resources/grit/ui_resources.h"
#if defined(OS_WIN)
#include "chrome/browser/app_icon_win.h"
#include "ui/gfx/icon_util.h"
#endif
namespace {
bool g_initialized = false;
gfx::ImageSkia* g_default_favicon = nullptr;
} // namespace
// static
void TabIconView::InitializeIfNeeded() {
if (!g_initialized) {
g_initialized = true;
#if defined(OS_WIN)
// The default window icon is the application icon, not the default
// favicon.
HICON app_icon = GetAppIcon();
scoped_ptr<SkBitmap> bitmap(
IconUtil::CreateSkBitmapFromHICON(app_icon, gfx::Size(16, 16)));
g_default_favicon = new gfx::ImageSkia(gfx::ImageSkiaRep(*bitmap, 1.0f));
DestroyIcon(app_icon);
#else
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
g_default_favicon = rb.GetImageSkiaNamed(IDR_PRODUCT_LOGO_16);
#endif
}
}
TabIconView::TabIconView(TabIconViewModel* model,
views::MenuButtonListener* listener)
: views::MenuButton(base::string16(), listener, false),
model_(model),
is_light_(false) {
InitializeIfNeeded();
}
TabIconView::~TabIconView() {
}
void TabIconView::Update() {
if (!model_->ShouldTabIconViewAnimate())
throbber_start_time_ = base::TimeTicks();
SchedulePaint();
}
void TabIconView::PaintThrobber(gfx::Canvas* canvas) {
if (throbber_start_time_ == base::TimeTicks())
throbber_start_time_ = base::TimeTicks::Now();
gfx::PaintThrobberSpinning(
canvas, GetLocalBounds(),
GetNativeTheme()->GetSystemColor(
is_light_ ? ui::NativeTheme::kColorId_ThrobberLightColor
: ui::NativeTheme::kColorId_ThrobberSpinningColor),
base::TimeTicks::Now() - throbber_start_time_);
}
void TabIconView::PaintFavicon(gfx::Canvas* canvas,
const gfx::ImageSkia& image) {
// For source images smaller than the favicon square, scale them as if they
// were padded to fit the favicon square, so we don't blow up tiny favicons
// into larger or nonproportional results.
float float_src_w = static_cast<float>(image.width());
float float_src_h = static_cast<float>(image.height());
float scalable_w, scalable_h;
if (image.width() <= gfx::kFaviconSize &&
image.height() <= gfx::kFaviconSize) {
scalable_w = scalable_h = gfx::kFaviconSize;
} else {
scalable_w = float_src_w;
scalable_h = float_src_h;
}
// Scale proportionately.
float scale = std::min(static_cast<float>(width()) / scalable_w,
static_cast<float>(height()) / scalable_h);
int dest_w = static_cast<int>(float_src_w * scale);
int dest_h = static_cast<int>(float_src_h * scale);
// Center the scaled image.
canvas->DrawImageInt(image, 0, 0, image.width(), image.height(),
(width() - dest_w) / 2, (height() - dest_h) / 2, dest_w,
dest_h, true);
}
gfx::Size TabIconView::GetPreferredSize() const {
return gfx::Size(gfx::kFaviconSize, gfx::kFaviconSize);
}
const char* TabIconView::GetClassName() const {
return "TabIconView";
}
void TabIconView::OnPaint(gfx::Canvas* canvas) {
bool rendered = false;
if (model_->ShouldTabIconViewAnimate()) {
rendered = true;
PaintThrobber(canvas);
} else {
gfx::ImageSkia favicon = model_->GetFaviconForTabIconView();
if (!favicon.isNull()) {
rendered = true;
PaintFavicon(canvas, favicon);
}
}
if (!rendered)
PaintFavicon(canvas, *g_default_favicon);
}
|