ui/views/controls/button/button.cc

   1 // Copyright (c) 2011 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 "ui/views/controls/button/button.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/accessibility/ax_view_state.h"
   9
  10 namespace views {
  11
  12 ////////////////////////////////////////////////////////////////////////////////
  13 // Button, static public:
  14
  15 // static
  16 Button::ButtonState Button::GetButtonStateFrom(ui::NativeTheme::State state) {
  17   switch (state) {
  18     case ui::NativeTheme::kDisabled:  return Button::STATE_DISABLED;
  19     case ui::NativeTheme::kHovered:   return Button::STATE_HOVERED;
  20     case ui::NativeTheme::kNormal:    return Button::STATE_NORMAL;
  21     case ui::NativeTheme::kPressed:   return Button::STATE_PRESSED;
  22     case ui::NativeTheme::kNumStates: NOTREACHED();
  23   }
  24   return Button::STATE_NORMAL;
  25 }
  26
  27 ////////////////////////////////////////////////////////////////////////////////
  28 // Button, public:
  29
  30 Button::~Button() {
  31 }
  32
  33 void Button::SetTooltipText(const base::string16& tooltip_text) {
  34   tooltip_text_ = tooltip_text;
  35   if (accessible_name_.empty())
  36     accessible_name_ = tooltip_text_;
  37   TooltipTextChanged();
  38 }
  39
  40 void Button::SetAccessibleName(const base::string16& name) {
  41   accessible_name_ = name;
  42 }
  43
  44 ////////////////////////////////////////////////////////////////////////////////
  45 // Button, View overrides:
  46
  47 bool Button::GetTooltipText(const gfx::Point& p,
  48                             base::string16* tooltip) const {
  49   if (tooltip_text_.empty())
  50     return false;
  51
  52   *tooltip = tooltip_text_;
  53   return true;
  54 }
  55
  56 void Button::GetAccessibleState(ui::AXViewState* state) {
  57   state->role = ui::AX_ROLE_BUTTON;
  58   state->name = accessible_name_;
  59 }
  60
  61 ////////////////////////////////////////////////////////////////////////////////
  62 // Button, protected:
  63
  64 Button::Button(ButtonListener* listener)
  65     : listener_(listener),
  66       tag_(-1) {
  67   SetAccessibilityFocusable(true);
  68 }
  69
  70 void Button::NotifyClick(const ui::Event& event) {
  71   // We can be called when there is no listener, in cases like double clicks on
  72   // menu buttons etc.
  73   if (listener_)
  74     listener_->ButtonPressed(this, event);
  75 }
  76
  77 }  // namespace views