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/accessibility/ax_view_state.h" 12 #include "ui/base/resource/resource_bundle.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 virtual ~TooltipBubble() {} 38 39 protected: 40 // InfoBubble: 41 virtual gfx::Rect GetAnchorRect() const OVERRIDE { 42 gfx::Rect bounds = views::BubbleDelegateView::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 observer_(this) { 58 ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON); 59 } 60 61 TooltipIcon::~TooltipIcon() { 62 HideBubble(); 63 } 64 65 // static 66 const char TooltipIcon::kViewClassName[] = "autofill/TooltipIcon"; 67 68 const char* TooltipIcon::GetClassName() const { 69 return TooltipIcon::kViewClassName; 70 } 71 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 78 void TooltipIcon::OnMouseExited(const ui::MouseEvent& event) { 79 show_timer_.Stop(); 80 } 81 82 void TooltipIcon::OnGestureEvent(ui::GestureEvent* event) { 83 if (event->type() == ui::ET_GESTURE_TAP) { 84 ShowBubble(); 85 event->SetHandled(); 86 } 87 } 88 89 void TooltipIcon::GetAccessibleState(ui::AXViewState* state) { 90 state->name = tooltip_; 91 } 92 93 void TooltipIcon::MouseMovedOutOfHost() { 94 if (IsMouseHovered()) { 95 mouse_watcher_->Start(); 96 return; 97 } 98 99 mouse_inside_ = false; 100 HideBubble(); 101 } 102 103 void TooltipIcon::ChangeImageTo(int idr) { 104 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); 105 SetImage(rb.GetImageNamed(idr).ToImageSkia()); 106 } 107 108 void TooltipIcon::ShowBubble() { 109 if (bubble_) 110 return; 111 112 ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON_H); 113 114 bubble_ = new TooltipBubble(this, tooltip_); 115 // When shown due to a gesture event, close on deactivate (i.e. don't use 116 // "focusless"). 117 bubble_->set_can_activate(!mouse_inside_); 118 119 bubble_->Show(); 120 observer_.Add(bubble_->GetWidget()); 121 122 if (mouse_inside_) { 123 views::View* frame = bubble_->GetWidget()->non_client_view()->frame_view(); 124 scoped_ptr<views::MouseWatcherHost> host( 125 new views::MouseWatcherViewHost(frame, gfx::Insets())); 126 mouse_watcher_.reset(new views::MouseWatcher(host.release(), this)); 127 mouse_watcher_->Start(); 128 } 129 } 130 131 void TooltipIcon::HideBubble() { 132 if (bubble_) 133 bubble_->Hide(); 134 } 135 136 void TooltipIcon::OnWidgetDestroyed(views::Widget* widget) { 137 observer_.Remove(widget); 138 139 ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON); 140 mouse_watcher_.reset(); 141 bubble_ = NULL; 142 } 143 144 } // namespace autofill 145