src/chrome/browser/ui/views/validation_message_bubble_delegate.cc

   1 // Copyright (c) 2013 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/validation_message_bubble_delegate.h"
   6
   7 #include "grit/theme_resources.h"
   8 #include "ui/base/resource/resource_bundle.h"
   9 #include "ui/views/controls/image_view.h"
  10 #include "ui/views/controls/label.h"
  11 #include "ui/views/widget/widget.h"
  12
  13 // static
  14 const int ValidationMessageBubbleDelegate::kWindowMinWidth = 64;
  15 // static
  16 const int ValidationMessageBubbleDelegate::kWindowMaxWidth = 256;
  17 static const int kPadding = 0;
  18 static const int kIconTextMargin = 8;
  19 static const int kTextVerticalMargin = 4;
  20
  21 ValidationMessageBubbleDelegate::ValidationMessageBubbleDelegate(
  22     const gfx::Rect& anchor_in_screen,
  23     const string16& main_text,
  24     const string16& sub_text,
  25     Observer* observer)
  26     : observer_(observer), width_(0), height_(0) {
  27   set_use_focusless(true);
  28   set_arrow(views::BubbleBorder::TOP_LEFT);
  29   set_anchor_rect(anchor_in_screen);
  30
  31   ResourceBundle& bundle = ResourceBundle::GetSharedInstance();
  32   views::ImageView* icon = new views::ImageView();
  33   icon->SetImage(*bundle.GetImageSkiaNamed(IDR_INPUT_ALERT));
  34   gfx::Size size = icon->GetPreferredSize();
  35   icon->SetBounds(kPadding, kPadding, size.width(), size.height());
  36   AddChildView(icon);
  37
  38   views::Label* label = new views::Label(main_text);
  39   label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  40   label->SetFont(bundle.GetFont(ResourceBundle::MediumFont));
  41   label->set_directionality_mode(views::Label::AUTO_DETECT_DIRECTIONALITY);
  42   int text_start_x = kPadding + size.width() + kIconTextMargin;
  43   int min_available = kWindowMinWidth - text_start_x - kPadding;
  44   int max_available = kWindowMaxWidth - text_start_x - kPadding;
  45   int label_width = label->GetPreferredSize().width();
  46   label->SetMultiLine(true);
  47   AddChildView(label);
  48
  49   views::Label* sub_label = NULL;
  50   if (!sub_text.empty()) {
  51     sub_label = new views::Label(sub_text);
  52     sub_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  53     sub_label->set_directionality_mode(
  54         views::Label::AUTO_DETECT_DIRECTIONALITY);
  55     label_width = std::max(label_width, sub_label->GetPreferredSize().width());
  56     sub_label->SetMultiLine(true);
  57     AddChildView(sub_label);
  58   }
  59
  60   if (label_width < min_available)
  61     label_width = min_available;
  62   else if (label_width > max_available)
  63     label_width = max_available;
  64   label->SetBounds(text_start_x, kPadding,
  65                    label_width, label->GetHeightForWidth(label_width));
  66   int content_bottom = kPadding + label->height();
  67
  68   if (sub_label) {
  69     sub_label->SetBounds(text_start_x,
  70                          content_bottom + kTextVerticalMargin,
  71                          label_width,
  72                          sub_label->GetHeightForWidth(label_width));
  73     content_bottom += kTextVerticalMargin + sub_label->height();
  74   }
  75
  76   width_ = text_start_x + label_width + kPadding;
  77   height_ = content_bottom + kPadding;
  78 }
  79
  80 ValidationMessageBubbleDelegate::~ValidationMessageBubbleDelegate() {}
  81
  82 void ValidationMessageBubbleDelegate::Close() {
  83   GetWidget()->Close();
  84   observer_ = NULL;
  85 }
  86
  87 void ValidationMessageBubbleDelegate::SetPositionRelativeToAnchor(
  88     const gfx::Rect& anchor_in_screen) {
  89   set_anchor_rect(anchor_in_screen);
  90   SizeToContents();
  91 }
  92
  93 gfx::Size ValidationMessageBubbleDelegate::GetPreferredSize() {
  94   return gfx::Size(width_, height_);
  95 }
  96
  97 void ValidationMessageBubbleDelegate::DeleteDelegate() {
  98   delete this;
  99 }
 100
 101 void ValidationMessageBubbleDelegate::WindowClosing() {
 102   if (observer_ != NULL)
 103     observer_->WindowClosing();
 104 }