mash: Move tray accessibility and keyboard to //ash/common

ash/system/tray/tray_details_view.cc

-// Copyright (c) 2012 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/tray/tray_details_view.h"
-
-#include "ash/common/system/tray/fixed_sized_scroll_view.h"
-#include "ash/common/system/tray/system_tray_item.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/system/tray/system_tray.h"
-#include "ui/gfx/canvas.h"
-#include "ui/views/background.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/scroll_view.h"
-#include "ui/views/layout/box_layout.h"
-
-namespace ash {
-
-class ScrollSeparator : public views::View {
- public:
-  ScrollSeparator() {}
-
-  ~ScrollSeparator() override {}
-
- private:
-  // Overriden from views::View.
-  void OnPaint(gfx::Canvas* canvas) override {
-    canvas->FillRect(gfx::Rect(0, height() / 2, width(), 1), kBorderLightColor);
-  }
-  gfx::Size GetPreferredSize() const override {
-    return gfx::Size(1, kTrayPopupScrollSeparatorHeight);
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(ScrollSeparator);
-};
-
-class ScrollBorder : public views::Border {
- public:
-  ScrollBorder() {}
-  ~ScrollBorder() override {}
-
-  void set_visible(bool visible) { visible_ = visible; }
-
- private:
-  // Overridden from views::Border.
-  void Paint(const views::View& view, gfx::Canvas* canvas) override {
-    if (!visible_)
-      return;
-    canvas->FillRect(gfx::Rect(0, view.height() - 1, view.width(), 1),
-                     kBorderLightColor);
-  }
-
-  gfx::Insets GetInsets() const override { return gfx::Insets(0, 0, 1, 0); }
-
-  gfx::Size GetMinimumSize() const override { return gfx::Size(0, 1); }
-
-  bool visible_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScrollBorder);
-};
-
-TrayDetailsView::TrayDetailsView(SystemTrayItem* owner)
-    : owner_(owner),
-      footer_(NULL),
-      scroller_(NULL),
-      scroll_content_(NULL),
-      scroll_border_(NULL) {
-  SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical,
-      0, 0, 0));
-  set_background(views::Background::CreateSolidBackground(kBackgroundColor));
-}
-
-TrayDetailsView::~TrayDetailsView() {
-}
-
-void TrayDetailsView::CreateSpecialRow(int string_id,
-                                       ViewClickListener* listener) {
-  DCHECK(!footer_);
-  footer_ = new SpecialPopupRow();
-  footer_->SetTextLabel(string_id, listener);
-  AddChildViewAt(footer_, child_count());
-}
-
-void TrayDetailsView::CreateScrollableList() {
-  DCHECK(!scroller_);
-  scroll_content_ = new views::View;
-  scroll_content_->SetLayoutManager(new views::BoxLayout(
-      views::BoxLayout::kVertical, 0, 0, 1));
-  scroller_ = new FixedSizedScrollView;
-  scroller_->SetContentsView(scroll_content_);
-
-  // Note: |scroller_| takes ownership of |scroll_border_|.
-  scroll_border_ = new ScrollBorder;
-  scroller_->SetBorder(std::unique_ptr<views::Border>(scroll_border_));
-
-  AddChildView(scroller_);
-}
-
-void TrayDetailsView::AddScrollSeparator() {
-  DCHECK(scroll_content_);
-  // Do not draw the separator if it is the very first item
-  // in the scrollable list.
-  if (scroll_content_->has_children())
-    scroll_content_->AddChildView(new ScrollSeparator);
-}
-
-void TrayDetailsView::Reset() {
-  RemoveAllChildViews(true);
-  footer_ = NULL;
-  scroller_ = NULL;
-  scroll_content_ = NULL;
-}
-
-void TrayDetailsView::TransitionToDefaultView() {
-  // Cache pointer to owner in this function scope. TrayDetailsView will be
-  // deleted after called ShowDefaultView.
-  SystemTrayItem* owner = owner_;
-  if (footer_ && footer_->content() && footer_->content()->HasFocus())
-    owner->set_restore_focus(true);
-  owner->system_tray()->ShowDefaultView(BUBBLE_USE_EXISTING);
-  owner->set_restore_focus(false);
-}
-
-void TrayDetailsView::Layout() {
-  if (bounds().IsEmpty()) {
-    views::View::Layout();
-    return;
-  }
-
-  if (scroller_) {
-    scroller_->set_fixed_size(gfx::Size());
-    gfx::Size size = GetPreferredSize();
-
-    // Set the scroller to fill the space above the bottom row, so that the
-    // bottom row of the detailed view will always stay just above the footer.
-    gfx::Size scroller_size = scroll_content_->GetPreferredSize();
-    scroller_->set_fixed_size(
-        gfx::Size(width() + scroller_->GetScrollBarWidth(),
-                  scroller_size.height() - (size.height() - height())));
-  }
-
-  views::View::Layout();
-
-  if (footer_) {
-    // Always make sure the footer element is bottom aligned.
-    gfx::Rect fbounds = footer_->bounds();
-    fbounds.set_y(height() - footer_->height());
-    footer_->SetBoundsRect(fbounds);
-  }
-}
-
-void TrayDetailsView::OnPaintBorder(gfx::Canvas* canvas) {
-  if (scroll_border_) {
-    int index = GetIndexOf(scroller_);
-    if (index < child_count() - 1 && child_at(index + 1) != footer_)
-      scroll_border_->set_visible(true);
-    else
-      scroll_border_->set_visible(false);
-  }
-
-  views::View::OnPaintBorder(canvas);
-}
-
-}  // namespace ash