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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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