src/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 "chrome/browser/ui/views/elevation_icon_setter.h"
  10 #include "ui/base/window_open_disposition.h"
  11 #include "ui/views/controls/button/label_button.h"
  12 #include "ui/views/controls/label.h"
  13 #include "ui/views/controls/link.h"
  14
  15
  16 // ConfirmInfoBarDelegate -----------------------------------------------------
  17
  18 // static
  19 scoped_ptr<infobars::InfoBar> ConfirmInfoBarDelegate::CreateInfoBar(
  20     scoped_ptr<ConfirmInfoBarDelegate> delegate) {
  21   return scoped_ptr<infobars::InfoBar>(new ConfirmInfoBar(delegate.Pass()));
  22 }
  23
  24
  25 // ConfirmInfoBar -------------------------------------------------------------
  26
  27 ConfirmInfoBar::ConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate> delegate)
  28     : InfoBarView(delegate.PassAs<infobars::InfoBarDelegate>()),
  29       label_(NULL),
  30       ok_button_(NULL),
  31       cancel_button_(NULL),
  32       link_(NULL) {
  33 }
  34
  35 ConfirmInfoBar::~ConfirmInfoBar() {
  36   // Ensure |elevation_icon_setter_| is destroyed before |ok_button_|.
  37   elevation_icon_setter_.reset();
  38 }
  39
  40 void ConfirmInfoBar::Layout() {
  41   InfoBarView::Layout();
  42
  43   int x = StartX();
  44   Labels labels;
  45   labels.push_back(label_);
  46   labels.push_back(link_);
  47   AssignWidths(&labels, std::max(0, EndX() - x - NonLabelWidth()));
  48
  49   label_->SetPosition(gfx::Point(x, OffsetY(label_)));
  50   if (!label_->text().empty())
  51     x = label_->bounds().right() + kEndOfLabelSpacing;
  52
  53   if (ok_button_) {
  54     ok_button_->SetPosition(gfx::Point(x, OffsetY(ok_button_)));
  55     x = ok_button_->bounds().right() + kButtonButtonSpacing;
  56   }
  57
  58   if (cancel_button_)
  59     cancel_button_->SetPosition(gfx::Point(x, OffsetY(cancel_button_)));
  60
  61   link_->SetPosition(gfx::Point(EndX() - link_->width(), OffsetY(link_)));
  62 }
  63
  64 void ConfirmInfoBar::ViewHierarchyChanged(
  65     const ViewHierarchyChangedDetails& details) {
  66   if (details.is_add && details.child == this && (label_ == NULL)) {
  67     ConfirmInfoBarDelegate* delegate = GetDelegate();
  68     label_ = CreateLabel(delegate->GetMessageText());
  69     AddChildView(label_);
  70
  71     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_OK) {
  72       ok_button_ = CreateLabelButton(
  73           this, delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_OK));
  74       if (delegate->OKButtonTriggersUACPrompt())
  75         elevation_icon_setter_.reset(new ElevationIconSetter(ok_button_));
  76       AddChildView(ok_button_);
  77     }
  78
  79     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_CANCEL) {
  80       cancel_button_ = CreateLabelButton(
  81           this,
  82           delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_CANCEL));
  83       AddChildView(cancel_button_);
  84     }
  85
  86     base::string16 link_text(delegate->GetLinkText());
  87     link_ = CreateLink(link_text, this);
  88     AddChildView(link_);
  89   }
  90
  91   // This must happen after adding all other children so InfoBarView can ensure
  92   // the close button is the last child.
  93   InfoBarView::ViewHierarchyChanged(details);
  94 }
  95
  96 void ConfirmInfoBar::ButtonPressed(views::Button* sender,
  97                                    const ui::Event& event) {
  98   if (!owner())
  99     return;  // We're closing; don't call anything, it might access the owner.
 100   ConfirmInfoBarDelegate* delegate = GetDelegate();
 101   if ((ok_button_ != NULL) && sender == ok_button_) {
 102     if (delegate->Accept())
 103       RemoveSelf();
 104   } else if ((cancel_button_ != NULL) && (sender == cancel_button_)) {
 105     if (delegate->Cancel())
 106       RemoveSelf();
 107   } else {
 108     InfoBarView::ButtonPressed(sender, event);
 109   }
 110 }
 111
 112 int ConfirmInfoBar::ContentMinimumWidth() {
 113   return label_->GetMinimumSize().width() + link_->GetMinimumSize().width() +
 114       NonLabelWidth();
 115 }
 116
 117 void ConfirmInfoBar::LinkClicked(views::Link* source, int event_flags) {
 118   if (!owner())
 119     return;  // We're closing; don't call anything, it might access the owner.
 120   DCHECK_EQ(link_, source);
 121   if (GetDelegate()->LinkClicked(ui::DispositionFromEventFlags(event_flags)))
 122     RemoveSelf();
 123 }
 124
 125 ConfirmInfoBarDelegate* ConfirmInfoBar::GetDelegate() {
 126   return delegate()->AsConfirmInfoBarDelegate();
 127 }
 128
 129 int ConfirmInfoBar::NonLabelWidth() const {
 130   int width = (label_->text().empty() || (!ok_button_ && !cancel_button_)) ?
 131       0 : kEndOfLabelSpacing;
 132   if (ok_button_)
 133     width += ok_button_->width() + (cancel_button_ ? kButtonButtonSpacing : 0);
 134   width += (cancel_button_ ? cancel_button_->width() : 0);
 135   return width + ((link_->text().empty() || !width) ? 0 : kEndOfLabelSpacing);
 136 }