1// Copyright (c) 2011 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 "chrome/browser/ui/views/infobars/link_infobar.h"
6
7#include "chrome/browser/tab_contents/link_infobar_delegate.h"
8#include "chrome/browser/ui/views/event_utils.h"
9
10// LinkInfoBarDelegate --------------------------------------------------------
11
12InfoBar* LinkInfoBarDelegate::CreateInfoBar() {
13  return new LinkInfoBar(this);
14}
15
16// LinkInfoBar ----------------------------------------------------------------
17
18LinkInfoBar::LinkInfoBar(LinkInfoBarDelegate* delegate)
19    : InfoBarView(delegate),
20      label_1_(NULL),
21      link_(NULL),
22      label_2_(NULL) {
23}
24
25LinkInfoBar::~LinkInfoBar() {
26}
27
28void LinkInfoBar::Layout() {
29  InfoBarView::Layout();
30
31  // TODO(pkasting): This isn't perfect; there are points when we should elide a
32  // view because its subsequent view will be too small to show an ellipsis.
33  gfx::Size label_1_size = label_1_->GetPreferredSize();
34  int available_width = EndX() - StartX();
35  label_1_->SetBounds(StartX(), OffsetY(label_1_size),
36      std::min(label_1_size.width(), available_width), label_1_size.height());
37  available_width = std::max(0, available_width - label_1_size.width());
38
39  gfx::Size link_size = link_->GetPreferredSize();
40  link_->SetBounds(label_1_->bounds().right(), OffsetY(link_size),
41      std::min(link_size.width(), available_width), link_size.height());
42  available_width = std::max(0, available_width - link_size.width());
43
44  gfx::Size label_2_size = label_2_->GetPreferredSize();
45  label_2_->SetBounds(link_->bounds().right(), OffsetY(label_2_size),
46      std::min(label_2_size.width(), available_width), label_2_size.height());
47}
48
49void LinkInfoBar::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
50  if (is_add && (child == this) && (label_1_ == NULL)) {
51    LinkInfoBarDelegate* delegate = GetDelegate();
52    size_t offset;
53    string16 message_text = delegate->GetMessageTextWithOffset(&offset);
54    DCHECK_NE(string16::npos, offset);
55    label_1_ = CreateLabel(message_text.substr(0, offset));
56    AddChildView(label_1_);
57
58    link_ = CreateLink(delegate->GetLinkText(), this,
59                       background()->get_color());
60    AddChildView(link_);
61
62    label_2_ = CreateLabel(message_text.substr(offset));
63    AddChildView(label_2_);
64  }
65
66  // This must happen after adding all other children so InfoBarView can ensure
67  // the close button is the last child.
68  InfoBarView::ViewHierarchyChanged(is_add, parent, child);
69}
70
71void LinkInfoBar::LinkActivated(views::Link* source, int event_flags) {
72  DCHECK(link_ != NULL);
73  DCHECK_EQ(link_, source);
74  if (GetDelegate()->LinkClicked(
75      event_utils::DispositionFromEventFlags(event_flags)))
76    RemoveInfoBar();
77}
78
79LinkInfoBarDelegate* LinkInfoBar::GetDelegate() {
80  return delegate()->AsLinkInfoBarDelegate();
81}
82