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/base/accessibility/accessible_view_state.h"
   9 #include "ui/gfx/canvas.h"
  10
  11 namespace ash {
  12 namespace internal {
  13
  14 // static
  15 const char ActionableView::kViewClassName[] = "tray/ActionableView";
  16
  17 ActionableView::ActionableView()
  18     : has_capture_(false) {
  19   set_focusable(true);
  20 }
  21
  22 ActionableView::~ActionableView() {
  23 }
  24
  25 void ActionableView::DrawBorder(gfx::Canvas* canvas, const gfx::Rect& bounds) {
  26   gfx::Rect rect = bounds;
  27   rect.Inset(1, 1, 3, 3);
  28   canvas->DrawRect(rect, kFocusBorderColor);
  29 }
  30
  31 const char* ActionableView::GetClassName() const {
  32   return kViewClassName;
  33 }
  34
  35 bool ActionableView::OnKeyPressed(const ui::KeyEvent& event) {
  36   if (event.key_code() == ui::VKEY_SPACE ||
  37       event.key_code() == ui::VKEY_RETURN) {
  38     return PerformAction(event);
  39   }
  40   return false;
  41 }
  42
  43 bool ActionableView::OnMousePressed(const ui::MouseEvent& event) {
  44   // Return true so that this view starts capturing the events.
  45   has_capture_ = true;
  46   return true;
  47 }
  48
  49 void ActionableView::OnMouseReleased(const ui::MouseEvent& event) {
  50   if (has_capture_ && GetLocalBounds().Contains(event.location()))
  51     PerformAction(event);
  52 }
  53
  54 void ActionableView::OnMouseCaptureLost() {
  55   has_capture_ = false;
  56 }
  57
  58 void ActionableView::SetAccessibleName(const base::string16& name) {
  59   accessible_name_ = name;
  60 }
  61
  62 void ActionableView::OnPaintFocusBorder(gfx::Canvas* canvas) {
  63   if (HasFocus() && (focusable() || IsAccessibilityFocusable()))
  64     DrawBorder(canvas, GetLocalBounds());
  65 }
  66
  67 void ActionableView::OnGestureEvent(ui::GestureEvent* event) {
  68   if (event->type() == ui::ET_GESTURE_TAP && PerformAction(*event))
  69     event->SetHandled();
  70 }
  71
  72 void ActionableView::GetAccessibleState(ui::AccessibleViewState* state) {
  73   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
  74   state->name = accessible_name_;
  75 }
  76
  77 }  // namespace internal
  78 }  // namespace ash