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/message_center/message_center_style.h"
8 #include "ui/message_center/message_center_util.h"
9 #include "ui/message_center/views/message_center_view.h"
10 #include "ui/views/layout/fill_layout.h"
11 #include "ui/views/widget/widget.h"
12
13 namespace message_center {
14
15 // ContentsView ////////////////////////////////////////////////////////////////
16
17 // Handles changes in MessageCenterView sizes.
18 class ContentsView : public views::View {
19 public:
20 explicit ContentsView(MessageCenterBubble* bubble, views::View* contents);
21 virtual ~ContentsView();
22
23 // Overridden from views::View:
24 virtual int GetHeightForWidth(int width) OVERRIDE;
25
26 protected:
27 // Overridden from views::View:
28 virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
29
30 private:
31 base::WeakPtr<MessageCenterBubble> bubble_;
32
33 DISALLOW_COPY_AND_ASSIGN(ContentsView);
34 };
35
ContentsView(MessageCenterBubble * bubble,views::View * contents)36 ContentsView::ContentsView(MessageCenterBubble* bubble, views::View* contents)
37 : bubble_(bubble->AsWeakPtr()) {
38 SetLayoutManager(new views::FillLayout());
39 AddChildView(contents);
40 }
41
~ContentsView()42 ContentsView::~ContentsView() {
43 }
44
GetHeightForWidth(int width)45 int ContentsView::GetHeightForWidth(int width) {
46 DCHECK_EQ(1, child_count());
47 int contents_width = std::max(width - GetInsets().width(), 0);
48 int contents_height = child_at(0)->GetHeightForWidth(contents_width);
49 return contents_height + GetInsets().height();
50 }
51
ChildPreferredSizeChanged(View * child)52 void ContentsView::ChildPreferredSizeChanged(View* child) {
53 // TODO(dharcourt): Reduce the amount of updating this requires.
54 if (bubble_.get())
55 bubble_->bubble_view()->UpdateBubble();
56 }
57
58 // MessageCenterBubble /////////////////////////////////////////////////////////
59
MessageCenterBubble(MessageCenter * message_center,MessageCenterTray * tray,bool first_item_has_no_margin)60 MessageCenterBubble::MessageCenterBubble(MessageCenter* message_center,
61 MessageCenterTray* tray,
62 bool first_item_has_no_margin)
63 : MessageBubbleBase(message_center, tray),
64 message_center_view_(NULL),
65 initially_settings_visible_(false),
66 first_item_has_no_margin_(first_item_has_no_margin) {
67 }
68
~MessageCenterBubble()69 MessageCenterBubble::~MessageCenterBubble() {
70 }
71
SetSettingsVisible()72 void MessageCenterBubble::SetSettingsVisible() {
73 if (message_center_view_)
74 message_center_view_->SetSettingsVisible(true);
75 else
76 initially_settings_visible_ = true;
77 }
78
GetInitParams(views::TrayBubbleView::AnchorAlignment anchor_alignment)79 views::TrayBubbleView::InitParams MessageCenterBubble::GetInitParams(
80 views::TrayBubbleView::AnchorAlignment anchor_alignment) {
81 views::TrayBubbleView::InitParams init_params =
82 GetDefaultInitParams(anchor_alignment);
83 init_params.min_width += kMarginBetweenItems * 2;
84 init_params.max_width += kMarginBetweenItems * 2;
85 init_params.max_height = max_height();
86 init_params.can_activate = true;
87 init_params.first_item_has_no_margin = first_item_has_no_margin_;
88 return init_params;
89 }
90
InitializeContents(views::TrayBubbleView * new_bubble_view)91 void MessageCenterBubble::InitializeContents(
92 views::TrayBubbleView* new_bubble_view) {
93 set_bubble_view(new_bubble_view);
94 bubble_view()->GetWidget()->AddObserver(this);
95 message_center_view_ = new MessageCenterView(
96 message_center(),
97 tray(),
98 max_height(),
99 initially_settings_visible_,
100 false /* MessageCenterBubble should be used only on ChromeOS.
101 Message center is never shown top down in ChromeOS. */);
102 bubble_view()->AddChildView(new ContentsView(this, message_center_view_));
103 // Resize the content of the bubble view to the given bubble size. This is
104 // necessary in case of the bubble border forcing a bigger size then the
105 // |new_bubble_view| actually wants. See crbug.com/169390.
106 bubble_view()->Layout();
107 UpdateBubbleView();
108 }
109
OnBubbleViewDestroyed()110 void MessageCenterBubble::OnBubbleViewDestroyed() {
111 message_center_view_ = NULL;
112 }
113
UpdateBubbleView()114 void MessageCenterBubble::UpdateBubbleView() {
115 if (!bubble_view())
116 return; // Could get called after view is closed
117 const NotificationList::Notifications& notifications =
118 message_center()->GetVisibleNotifications();
119 message_center_view_->SetNotifications(notifications);
120 bubble_view()->GetWidget()->Show();
121 bubble_view()->UpdateBubble();
122 }
123
OnWidgetClosing(views::Widget * widget)124 void MessageCenterBubble::OnWidgetClosing(views::Widget* widget) {
125 bubble_view()->GetWidget()->RemoveObserver(this);
126 if (message_center_view_)
127 message_center_view_->SetIsClosing(true);
128 }
129
OnMouseEnteredView()130 void MessageCenterBubble::OnMouseEnteredView() {
131 }
132
OnMouseExitedView()133 void MessageCenterBubble::OnMouseExitedView() {
134 }
135
NumMessageViewsForTest() const136 size_t MessageCenterBubble::NumMessageViewsForTest() const {
137 return message_center_view_->NumMessageViewsForTest();
138 }
139
140 } // namespace message_center
141