mash: Migrate some system user files to common.

ash/system/user/button_from_view.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ash/system/user/button_from_view.h"
-
-#include "ash/common/ash_constants.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/system/tray/tray_utils.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/accessibility/ax_view_state.h"
-#include "ui/gfx/canvas.h"
-#include "ui/views/background.h"
-#include "ui/views/border.h"
-#include "ui/views/layout/box_layout.h"
-
-namespace ash {
-
-namespace {
-
-// The border color of the user button.
-const SkColor kBorderColor = 0xffdcdcdc;
-
-}  // namespace
-
-namespace tray {
-
-ButtonFromView::ButtonFromView(views::View* content,
-                               views::ButtonListener* listener,
-                               bool highlight_on_hover,
-                               const gfx::Insets& tab_frame_inset)
-    : CustomButton(listener),
-      content_(content),
-      highlight_on_hover_(highlight_on_hover),
-      button_hovered_(false),
-      show_border_(false),
-      tab_frame_inset_(tab_frame_inset) {
-  set_notify_enter_exit_on_child(true);
-  SetLayoutManager(
-      new views::BoxLayout(views::BoxLayout::kHorizontal, 1, 1, 0));
-  AddChildView(content_);
-  ShowActive();
-  // Only make it focusable when we are active/interested in clicks.
-  if (listener)
-    SetFocusForPlatform();
-}
-
-ButtonFromView::~ButtonFromView() {}
-
-void ButtonFromView::ForceBorderVisible(bool show) {
-  show_border_ = show;
-  ShowActive();
-}
-
-void ButtonFromView::OnMouseEntered(const ui::MouseEvent& event) {
-  button_hovered_ = true;
-  ShowActive();
-}
-
-void ButtonFromView::OnMouseExited(const ui::MouseEvent& event) {
-  button_hovered_ = false;
-  ShowActive();
-}
-
-void ButtonFromView::OnPaint(gfx::Canvas* canvas) {
-  View::OnPaint(canvas);
-  if (HasFocus()) {
-    gfx::Rect rect(GetLocalBounds());
-    rect.Inset(tab_frame_inset_);
-    canvas->DrawSolidFocusRect(rect, kFocusBorderColor);
-  }
-}
-
-void ButtonFromView::OnFocus() {
-  View::OnFocus();
-  // Adding focus frame.
-  SchedulePaint();
-}
-
-void ButtonFromView::OnBlur() {
-  View::OnBlur();
-  // Removing focus frame.
-  SchedulePaint();
-}
-
-void ButtonFromView::GetAccessibleState(ui::AXViewState* state) {
-  state->role = ui::AX_ROLE_BUTTON;
-  std::vector<base::string16> labels;
-  for (int i = 0; i < child_count(); ++i)
-    GetAccessibleLabelFromDescendantViews(child_at(i), labels);
-  state->name = base::JoinString(labels, base::ASCIIToUTF16(" "));
-}
-
-void ButtonFromView::ShowActive() {
-  bool border_visible =
-      (button_hovered_ && highlight_on_hover_) || show_border_;
-  SkColor border_color = border_visible ? kBorderColor : SK_ColorTRANSPARENT;
-  SetBorder(views::Border::CreateSolidBorder(1, border_color));
-  if (highlight_on_hover_) {
-    SkColor background_color =
-        button_hovered_ ? kHoverBackgroundColor : kBackgroundColor;
-    content_->set_background(
-        views::Background::CreateSolidBackground(background_color));
-    set_background(views::Background::CreateSolidBackground(background_color));
-  }
-  SchedulePaint();
-}
-
-}  // namespace tray
-}  // namespace ash