ui/message_center/views/message_center_bubble.cc

   1 // Copyright (c) 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 "ui/message_center/views/message_center_bubble.h"
   6
   7 #include "ui/base/l10n/l10n_util.h"
   8 #include "ui/message_center/message_center_style.h"
   9 #include "ui/message_center/views/message_center_view.h"
  10 #include "ui/strings/grit/ui_strings.h"
  11 #include "ui/views/layout/fill_layout.h"
  12 #include "ui/views/widget/widget.h"
  13
  14 namespace message_center {
  15
  16 // ContentsView ////////////////////////////////////////////////////////////////
  17
  18 // Handles changes in MessageCenterView sizes.
  19 class ContentsView : public views::View {
  20  public:
  21   explicit ContentsView(MessageCenterBubble* bubble, views::View* contents);
  22   ~ContentsView() override;
  23
  24   // Overridden from views::View:
  25   int GetHeightForWidth(int width) const override;
  26
  27  protected:
  28   // Overridden from views::View:
  29   void ChildPreferredSizeChanged(View* child) override;
  30
  31  private:
  32   base::WeakPtr<MessageCenterBubble> bubble_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(ContentsView);
  35 };
  36
  37 ContentsView::ContentsView(MessageCenterBubble* bubble, views::View* contents)
  38     : bubble_(bubble->AsWeakPtr()) {
  39   SetLayoutManager(new views::FillLayout());
  40   AddChildView(contents);
  41 }
  42
  43 ContentsView::~ContentsView() {
  44 }
  45
  46 int ContentsView::GetHeightForWidth(int width) const {
  47   DCHECK_EQ(1, child_count());
  48   int contents_width = std::max(width - GetInsets().width(), 0);
  49   int contents_height = child_at(0)->GetHeightForWidth(contents_width);
  50   return contents_height + GetInsets().height();
  51 }
  52
  53 void ContentsView::ChildPreferredSizeChanged(View* child) {
  54   // TODO(dharcourt): Reduce the amount of updating this requires.
  55   if (bubble_.get())
  56     bubble_->bubble_view()->UpdateBubble();
  57 }
  58
  59 // MessageCenterBubble /////////////////////////////////////////////////////////
  60
  61 MessageCenterBubble::MessageCenterBubble(MessageCenter* message_center,
  62                                          MessageCenterTray* tray,
  63                                          bool first_item_has_no_margin)
  64     : MessageBubbleBase(message_center, tray),
  65       message_center_view_(NULL),
  66       initially_settings_visible_(false),
  67       first_item_has_no_margin_(first_item_has_no_margin),
  68       title_(l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_FOOTER_TITLE)) {
  69 }
  70
  71 MessageCenterBubble::~MessageCenterBubble() {
  72 }
  73
  74 void MessageCenterBubble::SetSettingsVisible() {
  75   if (message_center_view_)
  76     message_center_view_->SetSettingsVisible(true);
  77   else
  78     initially_settings_visible_ = true;
  79 }
  80
  81 views::TrayBubbleView::InitParams MessageCenterBubble::GetInitParams(
  82     views::TrayBubbleView::AnchorAlignment anchor_alignment) {
  83   views::TrayBubbleView::InitParams init_params =
  84       GetDefaultInitParams(anchor_alignment);
  85   init_params.min_width += kMarginBetweenItems * 2;
  86   init_params.max_width += kMarginBetweenItems * 2;
  87   init_params.max_height = max_height();
  88   init_params.can_activate = true;
  89   init_params.first_item_has_no_margin = first_item_has_no_margin_;
  90   return init_params;
  91 }
  92
  93 void MessageCenterBubble::InitializeContents(
  94     views::TrayBubbleView* new_bubble_view) {
  95   set_bubble_view(new_bubble_view);
  96   bubble_view()->GetWidget()->AddObserver(this);
  97   message_center_view_ = new MessageCenterView(
  98       message_center(),
  99       tray(),
 100       max_height(),
 101       initially_settings_visible_,
 102       false, /* MessageCenterBubble should be used only on ChromeOS.
 103               Message center is never shown top down in ChromeOS. */
 104       title_);
 105   bubble_view()->AddChildView(new ContentsView(this, message_center_view_));
 106   // Resize the content of the bubble view to the given bubble size. This is
 107   // necessary in case of the bubble border forcing a bigger size then the
 108   // |new_bubble_view| actually wants. See crbug.com/169390.
 109   bubble_view()->Layout();
 110   UpdateBubbleView();
 111 }
 112
 113 void MessageCenterBubble::OnBubbleViewDestroyed() {
 114   message_center_view_ = NULL;
 115 }
 116
 117 void MessageCenterBubble::UpdateBubbleView() {
 118   if (!bubble_view())
 119     return;  // Could get called after view is closed
 120   const NotificationList::Notifications& notifications =
 121       message_center()->GetVisibleNotifications();
 122   message_center_view_->SetNotifications(notifications);
 123   bubble_view()->GetWidget()->Show();
 124   bubble_view()->UpdateBubble();
 125 }
 126
 127 void MessageCenterBubble::OnWidgetClosing(views::Widget* widget) {
 128   bubble_view()->GetWidget()->RemoveObserver(this);
 129   if (message_center_view_)
 130     message_center_view_->SetIsClosing(true);
 131 }
 132
 133 void MessageCenterBubble::OnMouseEnteredView() {
 134 }
 135
 136 void MessageCenterBubble::OnMouseExitedView() {
 137 }
 138
 139 size_t MessageCenterBubble::NumMessageViewsForTest() const {
 140   return message_center_view_->NumMessageViewsForTest();
 141 }
 142
 143 }  // namespace message_center