chrome/browser/ui/views/autofill/decorated_textfield.cc

   1 // Copyright 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/autofill/decorated_textfield.h"
   6
   7 #include "chrome/browser/ui/autofill/autofill_dialog_types.h"
   8 #include "ui/gfx/canvas.h"
   9 #include "ui/views/background.h"
  10 #include "ui/views/controls/button/label_button.h"
  11 #include "ui/views/controls/focusable_border.h"
  12 #include "ui/views/controls/textfield/textfield_controller.h"
  13
  14 namespace {
  15
  16 // Padding around icons inside DecoratedTextfields.
  17 const int kTextfieldIconPadding = 3;
  18
  19 // Size of the triangular mark that indicates an invalid textfield (in pixels).
  20 const int kDogEarSize = 10;
  21
  22 }  // namespace
  23
  24 namespace autofill {
  25
  26 // static
  27 const char DecoratedTextfield::kViewClassName[] = "autofill/DecoratedTextfield";
  28
  29 const int DecoratedTextfield::kMagicInsetNumber = 6;
  30
  31 DecoratedTextfield::DecoratedTextfield(
  32     const base::string16& default_value,
  33     const base::string16& placeholder,
  34     views::TextfieldController* controller)
  35     : border_(new views::FocusableBorder()),
  36       invalid_(false) {
  37   set_background(
  38       views::Background::CreateSolidBackground(GetBackgroundColor()));
  39
  40   set_border(border_);
  41   // Removes the border from |native_wrapper_|.
  42   RemoveBorder();
  43
  44   set_placeholder_text(placeholder);
  45   SetText(default_value);
  46   SetController(controller);
  47   SetHorizontalMargins(0, 0);
  48 }
  49
  50 DecoratedTextfield::~DecoratedTextfield() {}
  51
  52 void DecoratedTextfield::SetInvalid(bool invalid) {
  53   invalid_ = invalid;
  54   if (invalid)
  55     border_->SetColor(kWarningColor);
  56   else
  57     border_->UseDefaultColor();
  58   SchedulePaint();
  59 }
  60
  61 void DecoratedTextfield::SetIcon(const gfx::Image& icon) {
  62   int icon_space = icon.IsEmpty() ? 0 :
  63                                     icon.Width() + 2 * kTextfieldIconPadding;
  64   // Extra indent inside of textfield before text starts, in px.
  65   const int kTextIndent = 6;
  66   int left = base::i18n::IsRTL() ? icon_space : kTextIndent;
  67   int right = base::i18n::IsRTL() ? kTextIndent : icon_space;
  68   SetHorizontalMargins(left, right);
  69   icon_ = icon;
  70
  71   PreferredSizeChanged();
  72   SchedulePaint();
  73 }
  74
  75 const char* DecoratedTextfield::GetClassName() const {
  76   return kViewClassName;
  77 }
  78
  79 void DecoratedTextfield::PaintChildren(gfx::Canvas* canvas) {}
  80
  81 void DecoratedTextfield::OnPaint(gfx::Canvas* canvas) {
  82   // Draw the border and background.
  83   border_->set_has_focus(HasFocus());
  84   views::View::OnPaint(canvas);
  85
  86   // Then the textfield.
  87   views::View::PaintChildren(canvas);
  88
  89   // Then the icon.
  90   if (!icon_.IsEmpty()) {
  91     gfx::Rect bounds = GetContentsBounds();
  92     int x = base::i18n::IsRTL() ?
  93         kTextfieldIconPadding :
  94         bounds.right() - icon_.Width() - kTextfieldIconPadding;
  95     canvas->DrawImageInt(icon_.AsImageSkia(), x,
  96                          bounds.y() + (bounds.height() - icon_.Height()) / 2);
  97   }
  98
  99   // Then the invalid indicator.
 100   if (invalid_) {
 101     if (base::i18n::IsRTL()) {
 102       canvas->Translate(gfx::Vector2d(width(), 0));
 103       canvas->Scale(-1, 1);
 104     }
 105
 106     SkPath dog_ear;
 107     dog_ear.moveTo(width() - kDogEarSize, 0);
 108     dog_ear.lineTo(width(), 0);
 109     dog_ear.lineTo(width(), kDogEarSize);
 110     dog_ear.close();
 111     canvas->ClipPath(dog_ear);
 112     canvas->DrawColor(kWarningColor);
 113   }
 114 }
 115
 116 gfx::Size DecoratedTextfield::GetPreferredSize() {
 117   int w = views::Textfield::GetPreferredSize().width();
 118   views::LabelButton button(NULL, string16());
 119   button.SetStyle(views::Button::STYLE_BUTTON);
 120   int h = button.GetPreferredSize().height();
 121   return gfx::Size(w, h - kMagicInsetNumber);
 122 }
 123
 124 } // namespace autofill