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/basictypes.h"
8 #include "base/timer/timer.h"
9 #include "chrome/browser/ui/views/autofill/info_bubble.h"
10 #include "grit/theme_resources.h"
11 #include "ui/base/resource/resource_bundle.h"
12 #include "ui/views/bubble/bubble_frame_view.h"
13 #include "ui/views/mouse_watcher_view_host.h"
14 #include "ui/views/painter.h"
15
16 namespace autofill {
17
18 namespace {
19
GetPreferredInsets(views::View * view)20 gfx::Insets GetPreferredInsets(views::View* view) {
21 gfx::Size pref_size = view->GetPreferredSize();
22 gfx::Rect local_bounds = view->GetLocalBounds();
23 gfx::Point origin = local_bounds.CenterPoint();
24 origin.Offset(-pref_size.width() / 2, -pref_size.height() / 2);
25 return gfx::Insets(origin.y(),
26 origin.x(),
27 local_bounds.bottom() - (origin.y() + pref_size.height()),
28 local_bounds.right() - (origin.x() + pref_size.width()));
29 }
30
31 // An info bubble with some extra positioning magic for tooltip icons.
32 class TooltipBubble : public InfoBubble {
33 public:
TooltipBubble(views::View * anchor,const base::string16 & message)34 TooltipBubble(views::View* anchor, const base::string16& message)
35 : InfoBubble(anchor, message) {}
~TooltipBubble()36 virtual ~TooltipBubble() {}
37
38 protected:
39 // InfoBubble:
GetAnchorRect()40 virtual gfx::Rect GetAnchorRect() OVERRIDE {
41 gfx::Rect bounds = views::BubbleDelegateView::GetAnchorRect();
42 bounds.Inset(GetPreferredInsets(anchor()));
43 return bounds;
44 }
45
46 private:
47 DISALLOW_COPY_AND_ASSIGN(TooltipBubble);
48 };
49
50 } // namespace
51
TooltipIcon(const base::string16 & tooltip)52 TooltipIcon::TooltipIcon(const base::string16& tooltip)
53 : tooltip_(tooltip),
54 mouse_inside_(false),
55 bubble_(NULL),
56 observer_(this) {
57 ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON);
58 SetFocusable(true);
59 }
60
~TooltipIcon()61 TooltipIcon::~TooltipIcon() {
62 HideBubble();
63 }
64
65 // static
66 const char TooltipIcon::kViewClassName[] = "autofill/TooltipIcon";
67
GetClassName() const68 const char* TooltipIcon::GetClassName() const {
69 return TooltipIcon::kViewClassName;
70 }
71
OnMouseEntered(const ui::MouseEvent & event)72 void TooltipIcon::OnMouseEntered(const ui::MouseEvent& event) {
73 mouse_inside_ = true;
74 show_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(150), this,
75 &TooltipIcon::ShowBubble);
76 }
77
OnMouseExited(const ui::MouseEvent & event)78 void TooltipIcon::OnMouseExited(const ui::MouseEvent& event) {
79 show_timer_.Stop();
80 }
81
OnGestureEvent(ui::GestureEvent * event)82 void TooltipIcon::OnGestureEvent(ui::GestureEvent* event) {
83 if (event->type() == ui::ET_GESTURE_TAP) {
84 ShowBubble();
85 event->SetHandled();
86 }
87 }
88
OnBoundsChanged(const gfx::Rect & prev_bounds)89 void TooltipIcon::OnBoundsChanged(const gfx::Rect& prev_bounds) {
90 SetFocusPainter(views::Painter::CreateDashedFocusPainterWithInsets(
91 GetPreferredInsets(this)));
92 }
93
OnFocus()94 void TooltipIcon::OnFocus() {
95 ShowBubble();
96 }
97
OnBlur()98 void TooltipIcon::OnBlur() {
99 if (!mouse_inside_)
100 HideBubble();
101 }
102
MouseMovedOutOfHost()103 void TooltipIcon::MouseMovedOutOfHost() {
104 if (IsMouseHovered()) {
105 mouse_watcher_->Start();
106 return;
107 }
108
109 mouse_inside_ = false;
110 if (!HasFocus())
111 HideBubble();
112 }
113
ChangeImageTo(int idr)114 void TooltipIcon::ChangeImageTo(int idr) {
115 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
116 SetImage(rb.GetImageNamed(idr).ToImageSkia());
117 }
118
ShowBubble()119 void TooltipIcon::ShowBubble() {
120 if (bubble_)
121 return;
122
123 ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON_H);
124
125 bubble_ = new TooltipBubble(this, tooltip_);
126 // When shown due to a gesture event, close on deactivate (i.e. don't use
127 // "focusless").
128 bubble_->set_use_focusless(mouse_inside_ || HasFocus());
129
130 bubble_->Show();
131 observer_.Add(bubble_->GetWidget());
132
133 if (mouse_inside_) {
134 views::View* frame = bubble_->GetWidget()->non_client_view()->frame_view();
135 scoped_ptr<views::MouseWatcherHost> host(
136 new views::MouseWatcherViewHost(frame, gfx::Insets()));
137 mouse_watcher_.reset(new views::MouseWatcher(host.release(), this));
138 mouse_watcher_->Start();
139 }
140 }
141
HideBubble()142 void TooltipIcon::HideBubble() {
143 if (bubble_)
144 bubble_->Hide();
145 }
146
OnWidgetDestroyed(views::Widget * widget)147 void TooltipIcon::OnWidgetDestroyed(views::Widget* widget) {
148 observer_.Remove(widget);
149
150 ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON);
151 mouse_watcher_.reset();
152 bubble_ = NULL;
153 }
154
155 } // namespace autofill
156