chrome/browser/ui/views/infobars/confirm_infobar.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 "chrome/browser/ui/views/infobars/confirm_infobar.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
   9 #include "ui/base/window_open_disposition.h"
  10 #include "ui/views/controls/button/label_button.h"
  11 #include "ui/views/controls/label.h"
  12 #include "ui/views/controls/link.h"
  13
  14
  15 // ConfirmInfoBarDelegate -----------------------------------------------------
  16
  17 // static
  18 scoped_ptr<InfoBar> ConfirmInfoBarDelegate::CreateInfoBar(
  19     scoped_ptr<ConfirmInfoBarDelegate> delegate) {
  20   return scoped_ptr<InfoBar>(new ConfirmInfoBar(delegate.Pass()));
  21 }
  22
  23
  24 // ConfirmInfoBar -------------------------------------------------------------
  25
  26 ConfirmInfoBar::ConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate> delegate)
  27     : InfoBarView(delegate.PassAs<InfoBarDelegate>()),
  28       label_(NULL),
  29       ok_button_(NULL),
  30       cancel_button_(NULL),
  31       link_(NULL) {
  32 }
  33
  34 ConfirmInfoBar::~ConfirmInfoBar() {
  35 }
  36
  37 void ConfirmInfoBar::Layout() {
  38   InfoBarView::Layout();
  39
  40   int x = StartX();
  41   Labels labels;
  42   labels.push_back(label_);
  43   labels.push_back(link_);
  44   AssignWidths(&labels, std::max(0, EndX() - x - NonLabelWidth()));
  45
  46   label_->SetPosition(gfx::Point(x, OffsetY(label_)));
  47   if (!label_->text().empty())
  48     x = label_->bounds().right() + kEndOfLabelSpacing;
  49
  50   if (ok_button_) {
  51     ok_button_->SetPosition(gfx::Point(x, OffsetY(ok_button_)));
  52     x = ok_button_->bounds().right() + kButtonButtonSpacing;
  53   }
  54
  55   if (cancel_button_)
  56     cancel_button_->SetPosition(gfx::Point(x, OffsetY(cancel_button_)));
  57
  58   link_->SetPosition(gfx::Point(EndX() - link_->width(), OffsetY(link_)));
  59 }
  60
  61 void ConfirmInfoBar::ViewHierarchyChanged(
  62     const ViewHierarchyChangedDetails& details) {
  63   if (details.is_add && details.child == this && (label_ == NULL)) {
  64     ConfirmInfoBarDelegate* delegate = GetDelegate();
  65     label_ = CreateLabel(delegate->GetMessageText());
  66     AddChildView(label_);
  67
  68     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_OK) {
  69       ok_button_ = CreateLabelButton(this,
  70           delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_OK),
  71           delegate->NeedElevation(ConfirmInfoBarDelegate::BUTTON_OK));
  72       AddChildView(ok_button_);
  73     }
  74
  75     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_CANCEL) {
  76       cancel_button_ = CreateLabelButton(this,
  77           delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_CANCEL),
  78           delegate->NeedElevation(ConfirmInfoBarDelegate::BUTTON_CANCEL));
  79       AddChildView(cancel_button_);
  80     }
  81
  82     base::string16 link_text(delegate->GetLinkText());
  83     link_ = CreateLink(link_text, this);
  84     AddChildView(link_);
  85   }
  86
  87   // This must happen after adding all other children so InfoBarView can ensure
  88   // the close button is the last child.
  89   InfoBarView::ViewHierarchyChanged(details);
  90 }
  91
  92 void ConfirmInfoBar::ButtonPressed(views::Button* sender,
  93                                    const ui::Event& event) {
  94   if (!owner())
  95     return;  // We're closing; don't call anything, it might access the owner.
  96   ConfirmInfoBarDelegate* delegate = GetDelegate();
  97   if ((ok_button_ != NULL) && sender == ok_button_) {
  98     if (delegate->Accept())
  99       RemoveSelf();
 100   } else if ((cancel_button_ != NULL) && (sender == cancel_button_)) {
 101     if (delegate->Cancel())
 102       RemoveSelf();
 103   } else {
 104     InfoBarView::ButtonPressed(sender, event);
 105   }
 106 }
 107
 108 int ConfirmInfoBar::ContentMinimumWidth() {
 109   return label_->GetMinimumSize().width() + link_->GetMinimumSize().width() +
 110       NonLabelWidth();
 111 }
 112
 113 void ConfirmInfoBar::LinkClicked(views::Link* source, int event_flags) {
 114   if (!owner())
 115     return;  // We're closing; don't call anything, it might access the owner.
 116   DCHECK_EQ(link_, source);
 117   if (GetDelegate()->LinkClicked(ui::DispositionFromEventFlags(event_flags)))
 118     RemoveSelf();
 119 }
 120
 121 ConfirmInfoBarDelegate* ConfirmInfoBar::GetDelegate() {
 122   return delegate()->AsConfirmInfoBarDelegate();
 123 }
 124
 125 int ConfirmInfoBar::NonLabelWidth() const {
 126   int width = (label_->text().empty() || (!ok_button_ && !cancel_button_)) ?
 127       0 : kEndOfLabelSpacing;
 128   if (ok_button_)
 129     width += ok_button_->width() + (cancel_button_ ? kButtonButtonSpacing : 0);
 130   width += (cancel_button_ ? cancel_button_->width() : 0);
 131   return width + ((link_->text().empty() || !width) ? 0 : kEndOfLabelSpacing);
 132 }