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      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   SetFocusable(true);
     20 }
     21 
     22 ActionableView::~ActionableView() {
     23 }
     24 
     25 void ActionableView::OnPaintFocus(gfx::Canvas* canvas) {
     26   gfx::Rect rect(GetFocusBounds());
     27   rect.Inset(1, 1, 3, 2);
     28   canvas->DrawSolidFocusRect(rect, kFocusBorderColor);
     29 }
     30 
     31 gfx::Rect ActionableView::GetFocusBounds() {
     32   return GetLocalBounds();
     33 }
     34 
     35 const char* ActionableView::GetClassName() const {
     36   return kViewClassName;
     37 }
     38 
     39 bool ActionableView::OnKeyPressed(const ui::KeyEvent& event) {
     40   if (event.key_code() == ui::VKEY_SPACE ||
     41       event.key_code() == ui::VKEY_RETURN) {
     42     return PerformAction(event);
     43   }
     44   return false;
     45 }
     46 
     47 bool ActionableView::OnMousePressed(const ui::MouseEvent& event) {
     48   // Return true so that this view starts capturing the events.
     49   has_capture_ = true;
     50   return true;
     51 }
     52 
     53 void ActionableView::OnMouseReleased(const ui::MouseEvent& event) {
     54   if (has_capture_ && GetLocalBounds().Contains(event.location()))
     55     PerformAction(event);
     56 }
     57 
     58 void ActionableView::OnMouseCaptureLost() {
     59   has_capture_ = false;
     60 }
     61 
     62 void ActionableView::SetAccessibleName(const base::string16& name) {
     63   accessible_name_ = name;
     64 }
     65 
     66 void ActionableView::GetAccessibleState(ui::AccessibleViewState* state) {
     67   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
     68   state->name = accessible_name_;
     69 }
     70 
     71 void ActionableView::OnPaint(gfx::Canvas* canvas) {
     72   View::OnPaint(canvas);
     73   if (HasFocus())
     74     OnPaintFocus(canvas);
     75 }
     76 
     77 void ActionableView::OnFocus() {
     78   View::OnFocus();
     79   // We render differently when focused.
     80   SchedulePaint();
     81 }
     82 
     83 void ActionableView::OnBlur() {
     84   View::OnBlur();
     85   // We render differently when focused.
     86   SchedulePaint();
     87 }
     88 
     89 void ActionableView::OnGestureEvent(ui::GestureEvent* event) {
     90   if (event->type() == ui::ET_GESTURE_TAP && PerformAction(*event))
     91     event->SetHandled();
     92 }
     93 
     94 }  // namespace internal
     95 }  // namespace ash
     96