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/resource/material_design/material_design_controller.h"
  12 #include "ui/base/window_open_disposition.h"
  13 #include "ui/views/controls/button/label_button.h"
  14 #include "ui/views/controls/label.h"
  15 #include "ui/views/controls/link.h"
  16
  17 // InfoBarService -------------------------------------------------------------
  18
  19 scoped_ptr<infobars::InfoBar> InfoBarService::CreateConfirmInfoBar(
  20     scoped_ptr<ConfirmInfoBarDelegate> delegate) {
  21   return make_scoped_ptr(new ConfirmInfoBar(delegate.Pass()));
  22 }
  23
  24
  25 // ConfirmInfoBar -------------------------------------------------------------
  26
  27 ConfirmInfoBar::ConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate> delegate)
  28     : InfoBarView(delegate.Pass()),
  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(
  76             ok_button_,
  77             base::Bind(&ConfirmInfoBar::Layout, base::Unretained(this))));
  78       AddChildView(ok_button_);
  79       ok_button_->SizeToPreferredSize();
  80     }
  81
  82     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_CANCEL) {
  83       cancel_button_ = CreateLabelButton(
  84           this,
  85           delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_CANCEL));
  86       AddChildView(cancel_button_);
  87       cancel_button_->SizeToPreferredSize();
  88     }
  89
  90     base::string16 link_text(delegate->GetLinkText());
  91     link_ = CreateLink(link_text, this);
  92     AddChildView(link_);
  93   }
  94
  95   // This must happen after adding all other children so InfoBarView can ensure
  96   // the close button is the last child.
  97   InfoBarView::ViewHierarchyChanged(details);
  98 }
  99
 100 void ConfirmInfoBar::ButtonPressed(views::Button* sender,
 101                                    const ui::Event& event) {
 102   if (!owner())
 103     return;  // We're closing; don't call anything, it might access the owner.
 104   ConfirmInfoBarDelegate* delegate = GetDelegate();
 105   if (sender == ok_button_) {
 106     if (delegate->Accept())
 107       RemoveSelf();
 108   } else if (sender == cancel_button_) {
 109     if (delegate->Cancel())
 110       RemoveSelf();
 111   } else {
 112     InfoBarView::ButtonPressed(sender, event);
 113   }
 114 }
 115
 116 int ConfirmInfoBar::ContentMinimumWidth() const {
 117   return label_->GetMinimumSize().width() + link_->GetMinimumSize().width() +
 118       NonLabelWidth();
 119 }
 120
 121 void ConfirmInfoBar::LinkClicked(views::Link* source, int event_flags) {
 122   if (!owner())
 123     return;  // We're closing; don't call anything, it might access the owner.
 124   DCHECK_EQ(link_, source);
 125   if (GetDelegate()->LinkClicked(ui::DispositionFromEventFlags(event_flags)))
 126     RemoveSelf();
 127 }
 128
 129 ConfirmInfoBarDelegate* ConfirmInfoBar::GetDelegate() {
 130   return delegate()->AsConfirmInfoBarDelegate();
 131 }
 132
 133 int ConfirmInfoBar::NonLabelWidth() const {
 134   int width = (label_->text().empty() || (!ok_button_ && !cancel_button_)) ?
 135       0 : kEndOfLabelSpacing;
 136   if (ok_button_)
 137     width += ok_button_->width() + (cancel_button_ ? kButtonButtonSpacing : 0);
 138   width += cancel_button_ ? cancel_button_->width() : 0;
 139   return width + ((link_->text().empty() || !width) ? 0 : kEndOfLabelSpacing);
 140 }