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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. | |
4 | |
5 #include "chrome/browser/ui/views/autofill/tooltip_icon.h" | |
6 | |
7 #include "base/macros.h" | |
8 #include "base/timer/timer.h" | |
9 #include "chrome/browser/ui/views/autofill/info_bubble.h" | |
10 #include "ui/accessibility/ax_node_data.h" | |
11 #include "ui/gfx/paint_vector_icon.h" | |
12 #include "ui/gfx/vector_icons_public.h" | |
13 #include "ui/views/bubble/bubble_frame_view.h" | |
14 #include "ui/views/mouse_watcher_view_host.h" | |
15 #include "ui/views/painter.h" | |
16 | |
17 namespace autofill { | |
18 | |
19 namespace { | |
20 | |
21 gfx::Insets GetPreferredInsets(const views::View* view) { | |
22 gfx::Size pref_size = view->GetPreferredSize(); | |
23 gfx::Rect local_bounds = view->GetLocalBounds(); | |
24 gfx::Point origin = local_bounds.CenterPoint(); | |
25 origin.Offset(-pref_size.width() / 2, -pref_size.height() / 2); | |
26 return gfx::Insets(origin.y(), | |
27 origin.x(), | |
28 local_bounds.bottom() - (origin.y() + pref_size.height()), | |
29 local_bounds.right() - (origin.x() + pref_size.width())); | |
30 } | |
31 | |
32 // An info bubble with some extra positioning magic for tooltip icons. | |
33 class TooltipBubble : public InfoBubble { | |
34 public: | |
35 TooltipBubble(views::View* anchor, const base::string16& message) | |
36 : InfoBubble(anchor, message) {} | |
37 ~TooltipBubble() override {} | |
38 | |
39 protected: | |
40 // InfoBubble: | |
41 gfx::Rect GetAnchorRect() const override { | |
42 gfx::Rect bounds = views::BubbleDialogDelegateView::GetAnchorRect(); | |
43 bounds.Inset(GetPreferredInsets(anchor())); | |
44 return bounds; | |
45 } | |
46 | |
47 private: | |
48 DISALLOW_COPY_AND_ASSIGN(TooltipBubble); | |
49 }; | |
50 | |
51 } // namespace | |
52 | |
53 TooltipIcon::TooltipIcon(const base::string16& tooltip) | |
54 : tooltip_(tooltip), | |
55 mouse_inside_(false), | |
56 bubble_(NULL), | |
57 bubble_arrow_(views::BubbleBorder::TOP_RIGHT), | |
58 observer_(this) { | |
59 SetDrawAsHovered(false); | |
60 } | |
61 | |
62 TooltipIcon::~TooltipIcon() { | |
63 HideBubble(); | |
64 } | |
65 | |
66 // static | |
67 const char TooltipIcon::kViewClassName[] = "autofill/TooltipIcon"; | |
68 | |
69 const char* TooltipIcon::GetClassName() const { | |
70 return TooltipIcon::kViewClassName; | |
71 } | |
72 | |
73 void TooltipIcon::OnMouseEntered(const ui::MouseEvent& event) { | |
74 mouse_inside_ = true; | |
75 show_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(150), this, | |
76 &TooltipIcon::ShowBubble); | |
77 } | |
78 | |
79 void TooltipIcon::OnMouseExited(const ui::MouseEvent& event) { | |
80 show_timer_.Stop(); | |
81 } | |
82 | |
83 void TooltipIcon::OnGestureEvent(ui::GestureEvent* event) { | |
84 if (event->type() == ui::ET_GESTURE_TAP) { | |
85 ShowBubble(); | |
86 event->SetHandled(); | |
87 } | |
88 } | |
89 | |
90 void TooltipIcon::GetAccessibleNodeData(ui::AXNodeData* node_data) { | |
91 node_data->SetName(tooltip_); | |
92 } | |
93 | |
94 void TooltipIcon::MouseMovedOutOfHost() { | |
95 if (IsMouseHovered()) { | |
96 mouse_watcher_->Start(); | |
97 return; | |
98 } | |
99 | |
100 mouse_inside_ = false; | |
101 HideBubble(); | |
102 } | |
103 | |
104 void TooltipIcon::SetDrawAsHovered(bool hovered) { | |
105 SetImage(gfx::CreateVectorIcon(gfx::VectorIconId::HELP_OUTLINE, 18, | |
106 hovered | |
107 ? SkColorSetARGB(0xBD, 0, 0, 0) | |
108 : SkColorSetARGB(0xBD, 0x44, 0x44, 0x44))); | |
109 } | |
110 | |
111 void TooltipIcon::ShowBubble() { | |
112 if (bubble_) | |
113 return; | |
114 | |
115 SetDrawAsHovered(true); | |
116 | |
117 bubble_ = new TooltipBubble(this, tooltip_); | |
118 bubble_->set_arrow(bubble_arrow_); | |
119 // When shown due to a gesture event, close on deactivate (i.e. don't use | |
120 // "focusless"). | |
121 bubble_->set_can_activate(!mouse_inside_); | |
122 | |
123 bubble_->Show(); | |
124 observer_.Add(bubble_->GetWidget()); | |
125 | |
126 if (mouse_inside_) { | |
127 views::View* frame = bubble_->GetWidget()->non_client_view()->frame_view(); | |
128 std::unique_ptr<views::MouseWatcherHost> host( | |
129 new views::MouseWatcherViewHost(frame, gfx::Insets())); | |
130 mouse_watcher_.reset(new views::MouseWatcher(host.release(), this)); | |
131 mouse_watcher_->Start(); | |
132 } | |
133 } | |
134 | |
135 void TooltipIcon::HideBubble() { | |
136 if (bubble_) | |
137 bubble_->Hide(); | |
138 } | |
139 | |
140 void TooltipIcon::OnWidgetDestroyed(views::Widget* widget) { | |
141 observer_.Remove(widget); | |
142 | |
143 SetDrawAsHovered(false); | |
144 mouse_watcher_.reset(); | |
145 bubble_ = NULL; | |
146 } | |
147 | |
148 } // namespace autofill | |
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