ash/system/tray/actionable_view.cc

   1 // Copyright 2012 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 "ash/system/tray/actionable_view.h"
   6
   7 #include "ash/ash_constants.h"
   8 #include "ui/accessibility/ax_view_state.h"
   9 #include "ui/gfx/canvas.h"
  10
  11 namespace ash {
  12
  13 // static
  14 const char ActionableView::kViewClassName[] = "tray/ActionableView";
  15
  16 ActionableView::ActionableView()
  17     : has_capture_(false) {
  18   SetFocusable(true);
  19 }
  20
  21 ActionableView::~ActionableView() {
  22 }
  23
  24 void ActionableView::OnPaintFocus(gfx::Canvas* canvas) {
  25   gfx::Rect rect(GetFocusBounds());
  26   rect.Inset(1, 1, 3, 2);
  27   canvas->DrawSolidFocusRect(rect, kFocusBorderColor);
  28 }
  29
  30 gfx::Rect ActionableView::GetFocusBounds() {
  31   return GetLocalBounds();
  32 }
  33
  34 const char* ActionableView::GetClassName() const {
  35   return kViewClassName;
  36 }
  37
  38 bool ActionableView::OnKeyPressed(const ui::KeyEvent& event) {
  39   if (event.key_code() == ui::VKEY_SPACE ||
  40       event.key_code() == ui::VKEY_RETURN) {
  41     return PerformAction(event);
  42   }
  43   return false;
  44 }
  45
  46 bool ActionableView::OnMousePressed(const ui::MouseEvent& event) {
  47   // Return true so that this view starts capturing the events.
  48   has_capture_ = true;
  49   return true;
  50 }
  51
  52 void ActionableView::OnMouseReleased(const ui::MouseEvent& event) {
  53   if (has_capture_ && GetLocalBounds().Contains(event.location()))
  54     PerformAction(event);
  55 }
  56
  57 void ActionableView::OnMouseCaptureLost() {
  58   has_capture_ = false;
  59 }
  60
  61 void ActionableView::SetAccessibleName(const base::string16& name) {
  62   accessible_name_ = name;
  63 }
  64
  65 void ActionableView::GetAccessibleState(ui::AXViewState* state) {
  66   state->role = ui::AX_ROLE_BUTTON;
  67   state->name = accessible_name_;
  68 }
  69
  70 void ActionableView::OnPaint(gfx::Canvas* canvas) {
  71   View::OnPaint(canvas);
  72   if (HasFocus())
  73     OnPaintFocus(canvas);
  74 }
  75
  76 void ActionableView::OnFocus() {
  77   View::OnFocus();
  78   // We render differently when focused.
  79   SchedulePaint();
  80 }
  81
  82 void ActionableView::OnBlur() {
  83   View::OnBlur();
  84   // We render differently when focused.
  85   SchedulePaint();
  86 }
  87
  88 void ActionableView::OnGestureEvent(ui::GestureEvent* event) {
  89   if (event->type() == ui::ET_GESTURE_TAP && PerformAction(*event))
  90     event->SetHandled();
  91 }
  92
  93 }  // namespace ash