src/ash/system/user/button_from_view.cc

   1 // Copyright 2014 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/user/button_from_view.h"
   6
   7 #include "ash/system/tray/tray_constants.h"
   8 #include "ui/views/background.h"
   9 #include "ui/views/border.h"
  10 #include "ui/views/layout/box_layout.h"
  11
  12 namespace ash {
  13
  14 namespace {
  15
  16 // The border color of the user button.
  17 const SkColor kBorderColor = 0xffdcdcdc;
  18
  19 }  // namespace
  20
  21 namespace tray {
  22
  23 ButtonFromView::ButtonFromView(views::View* content,
  24                                views::ButtonListener* listener,
  25                                bool highlight_on_hover)
  26     : CustomButton(listener),
  27       content_(content),
  28       highlight_on_hover_(highlight_on_hover),
  29       button_hovered_(false),
  30       show_border_(false) {
  31   set_notify_enter_exit_on_child(true);
  32   SetLayoutManager(
  33       new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
  34   AddChildView(content_);
  35   ShowActive();
  36 }
  37
  38 ButtonFromView::~ButtonFromView() {}
  39
  40 void ButtonFromView::ForceBorderVisible(bool show) {
  41   show_border_ = show;
  42   ShowActive();
  43 }
  44
  45 void ButtonFromView::OnMouseEntered(const ui::MouseEvent& event) {
  46   button_hovered_ = true;
  47   ShowActive();
  48 }
  49
  50 void ButtonFromView::OnMouseExited(const ui::MouseEvent& event) {
  51   button_hovered_ = false;
  52   ShowActive();
  53 }
  54
  55 void ButtonFromView::ShowActive() {
  56   bool border_visible =
  57       (button_hovered_ && highlight_on_hover_) || show_border_;
  58   SkColor border_color = border_visible ? kBorderColor : SK_ColorTRANSPARENT;
  59   SetBorder(views::Border::CreateSolidBorder(1, border_color));
  60   if (highlight_on_hover_) {
  61     SkColor background_color =
  62         button_hovered_ ? kHoverBackgroundColor : kBackgroundColor;
  63     content_->set_background(
  64         views::Background::CreateSolidBackground(background_color));
  65     set_background(views::Background::CreateSolidBackground(background_color));
  66   }
  67   SchedulePaint();
  68 }
  69
  70 }  // namespace tray
  71 }  // namespace ash