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/infobar_service.h"
   9 #include "chrome/browser/ui/views/elevation_icon_setter.h"
  10 #include "components/infobars/core/confirm_infobar_delegate.h"
  11 #include "ui/base/window_open_disposition.h"
  12 #include "ui/views/controls/button/label_button.h"
  13 #include "ui/views/controls/label.h"
  14 #include "ui/views/controls/link.h"
  15
  16 // InfoBarService -------------------------------------------------------------
  17
  18 scoped_ptr<infobars::InfoBar> InfoBarService::CreateConfirmInfoBar(
  19     scoped_ptr<ConfirmInfoBarDelegate> delegate) {
  20   return make_scoped_ptr(new ConfirmInfoBar(delegate.Pass()));
  21 }
  22
  23
  24 // ConfirmInfoBar -------------------------------------------------------------
  25
  26 ConfirmInfoBar::ConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate> delegate)
  27     : InfoBarView(delegate.Pass()),
  28       label_(NULL),
  29       ok_button_(NULL),
  30       cancel_button_(NULL),
  31       link_(NULL) {
  32 }
  33
  34 ConfirmInfoBar::~ConfirmInfoBar() {
  35   // Ensure |elevation_icon_setter_| is destroyed before |ok_button_|.
  36   elevation_icon_setter_.reset();
  37 }
  38
  39 void ConfirmInfoBar::Layout() {
  40   InfoBarView::Layout();
  41
  42   int x = StartX();
  43   Labels labels;
  44   labels.push_back(label_);
  45   labels.push_back(link_);
  46   AssignWidths(&labels, std::max(0, EndX() - x - NonLabelWidth()));
  47
  48   label_->SetPosition(gfx::Point(x, OffsetY(label_)));
  49   if (!label_->text().empty())
  50     x = label_->bounds().right() + kEndOfLabelSpacing;
  51
  52   if (ok_button_) {
  53     ok_button_->SetPosition(gfx::Point(x, OffsetY(ok_button_)));
  54     x = ok_button_->bounds().right() + kButtonButtonSpacing;
  55   }
  56
  57   if (cancel_button_)
  58     cancel_button_->SetPosition(gfx::Point(x, OffsetY(cancel_button_)));
  59
  60   link_->SetPosition(gfx::Point(EndX() - link_->width(), OffsetY(link_)));
  61 }
  62
  63 void ConfirmInfoBar::ViewHierarchyChanged(
  64     const ViewHierarchyChangedDetails& details) {
  65   if (details.is_add && details.child == this && (label_ == NULL)) {
  66     ConfirmInfoBarDelegate* delegate = GetDelegate();
  67     label_ = CreateLabel(delegate->GetMessageText());
  68     AddChildView(label_);
  69
  70     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_OK) {
  71       ok_button_ = CreateLabelButton(
  72           this, delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_OK));
  73       if (delegate->OKButtonTriggersUACPrompt())
  74         elevation_icon_setter_.reset(new ElevationIconSetter(
  75             ok_button_,
  76             base::Bind(&ConfirmInfoBar::Layout, base::Unretained(this))));
  77       AddChildView(ok_button_);
  78     }
  79
  80     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_CANCEL) {
  81       cancel_button_ = CreateLabelButton(
  82           this,
  83           delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_CANCEL));
  84       AddChildView(cancel_button_);
  85     }
  86
  87     base::string16 link_text(delegate->GetLinkText());
  88     link_ = CreateLink(link_text, this);
  89     AddChildView(link_);
  90   }
  91
  92   // This must happen after adding all other children so InfoBarView can ensure
  93   // the close button is the last child.
  94   InfoBarView::ViewHierarchyChanged(details);
  95 }
  96
  97 void ConfirmInfoBar::ButtonPressed(views::Button* sender,
  98                                    const ui::Event& event) {
  99   if (!owner())
 100     return;  // We're closing; don't call anything, it might access the owner.
 101   ConfirmInfoBarDelegate* delegate = GetDelegate();
 102   if ((ok_button_ != NULL) && sender == ok_button_) {
 103     if (delegate->Accept())
 104       RemoveSelf();
 105   } else if ((cancel_button_ != NULL) && (sender == cancel_button_)) {
 106     if (delegate->Cancel())
 107       RemoveSelf();
 108   } else {
 109     InfoBarView::ButtonPressed(sender, event);
 110   }
 111 }
 112
 113 int ConfirmInfoBar::ContentMinimumWidth() const {
 114   return label_->GetMinimumSize().width() + link_->GetMinimumSize().width() +
 115       NonLabelWidth();
 116 }
 117
 118 void ConfirmInfoBar::LinkClicked(views::Link* source, int event_flags) {
 119   if (!owner())
 120     return;  // We're closing; don't call anything, it might access the owner.
 121   DCHECK_EQ(link_, source);
 122   if (GetDelegate()->LinkClicked(ui::DispositionFromEventFlags(event_flags)))
 123     RemoveSelf();
 124 }
 125
 126 ConfirmInfoBarDelegate* ConfirmInfoBar::GetDelegate() {
 127   return delegate()->AsConfirmInfoBarDelegate();
 128 }
 129
 130 int ConfirmInfoBar::NonLabelWidth() const {
 131   int width = (label_->text().empty() || (!ok_button_ && !cancel_button_)) ?
 132       0 : kEndOfLabelSpacing;
 133   if (ok_button_)
 134     width += ok_button_->width() + (cancel_button_ ? kButtonButtonSpacing : 0);
 135   width += (cancel_button_ ? cancel_button_->width() : 0);
 136   return width + ((link_->text().empty() || !width) ? 0 : kEndOfLabelSpacing);
 137 }