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

   1 // Copyright 2014 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/password_generation_popup_view_views.h"
   6
   7 #include "base/strings/string16.h"
   8 #include "chrome/browser/ui/autofill/password_generation_popup_controller.h"
   9 #include "chrome/browser/ui/autofill/popup_constants.h"
  10 #include "grit/theme_resources.h"
  11 #include "ui/accessibility/ax_view_state.h"
  12 #include "ui/base/resource/resource_bundle.h"
  13 #include "ui/gfx/canvas.h"
  14 #include "ui/views/background.h"
  15 #include "ui/views/border.h"
  16 #include "ui/views/controls/image_view.h"
  17 #include "ui/views/controls/label.h"
  18 #include "ui/views/controls/styled_label.h"
  19 #include "ui/views/layout/box_layout.h"
  20 #include "ui/views/widget/widget.h"
  21
  22 namespace autofill {
  23
  24 namespace {
  25
  26 // The amount of whitespace that is present when there is no padding. Used
  27 // to get the proper spacing in the help section.
  28 const int kHelpVerticalOffset = 5;
  29
  30 // Wrapper around just the text portions of the generation UI (password and
  31 // prompting text).
  32 class PasswordTextBox : public views::View {
  33  public:
  34   PasswordTextBox() {}
  35   ~PasswordTextBox() override {}
  36
  37   // |suggestion_text| prompts the user to select the password,
  38   // |generated_password| is the generated password, and |font_list| is the font
  39   // used for all text in this class.
  40   void Init(const base::string16& suggestion_text,
  41             const base::string16& generated_password,
  42             const gfx::FontList& font_list) {
  43     views::BoxLayout* box_layout = new views::BoxLayout(
  44         views::BoxLayout::kVertical, 0, 12, 5);
  45     box_layout->set_main_axis_alignment(
  46         views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
  47     SetLayoutManager(box_layout);
  48
  49     views::Label* suggestion_label = new views::Label(
  50         suggestion_text, font_list.DeriveWithStyle(gfx::Font::BOLD));
  51     suggestion_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  52     suggestion_label->SetEnabledColor(
  53         PasswordGenerationPopupView::kPasswordTextColor);
  54     AddChildView(suggestion_label);
  55
  56     views::Label* password_label =
  57         new views::Label(generated_password, font_list);
  58     password_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  59     password_label->SetEnabledColor(
  60         PasswordGenerationPopupView::kPasswordTextColor);
  61     AddChildView(password_label);
  62   }
  63
  64   // views::View:
  65   bool CanProcessEventsWithinSubtree() const override {
  66     // Send events to the parent view for handling.
  67     return false;
  68   }
  69
  70  private:
  71   DISALLOW_COPY_AND_ASSIGN(PasswordTextBox);
  72 };
  73
  74 }  // namespace
  75
  76 // Class that shows the generated password and associated UI (currently a key
  77 // image and some explanatory text).
  78 class PasswordGenerationPopupViewViews::PasswordBox : public views::View {
  79  public:
  80   PasswordBox() {}
  81   ~PasswordBox() override {}
  82
  83   // |password| is the generated password, |suggestion| is the text prompting
  84   // the user to select the password, and |font_list| is the font used for all
  85   // the text.
  86   void Init(const base::string16& password,
  87             const base::string16& suggestion,
  88             const gfx::FontList& font_list) {
  89     views::BoxLayout* box_layout = new views::BoxLayout(
  90         views::BoxLayout::kHorizontal,
  91         PasswordGenerationPopupController::kHorizontalPadding,
  92         0,
  93         15);
  94     box_layout->set_main_axis_alignment(
  95         views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
  96     SetLayoutManager(box_layout);
  97
  98     views::ImageView* key_image = new views::ImageView();
  99     key_image->SetImage(
 100         ui::ResourceBundle::GetSharedInstance().GetImageNamed(
 101             IDR_GENERATE_PASSWORD_KEY).ToImageSkia());
 102     AddChildView(key_image);
 103
 104     PasswordTextBox* password_text_box = new PasswordTextBox();
 105     password_text_box->Init(suggestion, password, font_list);
 106     AddChildView(password_text_box);
 107   }
 108
 109   // views::View:
 110   bool CanProcessEventsWithinSubtree() const override {
 111     // Send events to the parent view for handling.
 112     return false;
 113   }
 114
 115  private:
 116
 117   DISALLOW_COPY_AND_ASSIGN(PasswordBox);
 118 };
 119
 120 PasswordGenerationPopupViewViews::PasswordGenerationPopupViewViews(
 121     PasswordGenerationPopupController* controller,
 122     views::Widget* parent_widget)
 123     : AutofillPopupBaseView(controller, parent_widget),
 124       password_view_(NULL),
 125       font_list_(ResourceBundle::GetSharedInstance().GetFontList(
 126           ResourceBundle::SmallFont)),
 127       controller_(controller) {
 128   if (controller_->display_password())
 129     CreatePasswordView();
 130
 131   help_label_ = new views::StyledLabel(controller_->HelpText(), this);
 132   help_label_->SetBaseFontList(font_list_);
 133   help_label_->SetLineHeight(20);
 134   views::StyledLabel::RangeStyleInfo default_style;
 135   default_style.color = kExplanatoryTextColor;
 136   help_label_->SetDefaultStyle(default_style);
 137
 138   views::StyledLabel::RangeStyleInfo link_style =
 139       views::StyledLabel::RangeStyleInfo::CreateForLink();
 140   link_style.disable_line_wrapping = false;
 141   help_label_->AddStyleRange(controller_->HelpTextLinkRange(), link_style);
 142
 143   help_label_->set_background(
 144       views::Background::CreateSolidBackground(
 145           kExplanatoryTextBackgroundColor));
 146   help_label_->SetBorder(views::Border::CreateEmptyBorder(
 147       PasswordGenerationPopupController::kHelpVerticalPadding -
 148       kHelpVerticalOffset,
 149       PasswordGenerationPopupController::kHorizontalPadding,
 150       PasswordGenerationPopupController::kHelpVerticalPadding -
 151       kHelpVerticalOffset,
 152       PasswordGenerationPopupController::kHorizontalPadding));
 153   AddChildView(help_label_);
 154
 155   set_background(views::Background::CreateSolidBackground(kPopupBackground));
 156 }
 157
 158 PasswordGenerationPopupViewViews::~PasswordGenerationPopupViewViews() {}
 159
 160 void PasswordGenerationPopupViewViews::CreatePasswordView() {
 161   if (password_view_)
 162     return;
 163
 164   password_view_ = new PasswordBox();
 165   password_view_->Init(controller_->password(),
 166                        controller_->SuggestedText(),
 167                        font_list_);
 168   password_view_->SetPosition(gfx::Point(kPopupBorderThickness,
 169                                          kPopupBorderThickness));
 170   password_view_->SizeToPreferredSize();
 171   AddChildView(password_view_);
 172 }
 173
 174 gfx::Size PasswordGenerationPopupViewViews::GetPreferredSizeOfPasswordView() {
 175   int height = kPopupBorderThickness;
 176   if (controller_->display_password()) {
 177     // Add divider height as well.
 178     height +=
 179         PasswordGenerationPopupController::kPopupPasswordSectionHeight + 1;
 180   }
 181   int width = controller_->GetMinimumWidth();
 182   int popup_width = width - 2 * kPopupBorderThickness;
 183   height += help_label_->GetHeightForWidth(popup_width);
 184   return gfx::Size(width, height + kPopupBorderThickness);
 185 }
 186
 187 void PasswordGenerationPopupViewViews::Show() {
 188   DoShow();
 189 }
 190
 191 void PasswordGenerationPopupViewViews::Hide() {
 192   // The controller is no longer valid after it hides us.
 193   controller_ = NULL;
 194
 195   DoHide();
 196 }
 197
 198 void PasswordGenerationPopupViewViews::UpdateBoundsAndRedrawPopup() {
 199   DoUpdateBoundsAndRedrawPopup();
 200 }
 201
 202 void PasswordGenerationPopupViewViews::PasswordSelectionUpdated() {
 203   if (!password_view_)
 204     return;
 205
 206   if (controller_->password_selected())
 207     NotifyAccessibilityEvent(ui::AX_EVENT_FOCUS, true);
 208
 209   password_view_->set_background(
 210       views::Background::CreateSolidBackground(
 211           controller_->password_selected() ?
 212           kHoveredBackgroundColor :
 213           kPopupBackground));
 214 }
 215
 216 void PasswordGenerationPopupViewViews::Layout() {
 217   // Need to leave room for the border.
 218   int y = kPopupBorderThickness;
 219   int popup_width = bounds().width() - 2 * kPopupBorderThickness;
 220   if (controller_->display_password()) {
 221     // Currently the UI can change from not offering a password to offering
 222     // a password (e.g. the user is editing a generated password and deletes
 223     // it), but it can't change the other way around.
 224     CreatePasswordView();
 225     password_view_->SetBounds(
 226         kPopupBorderThickness,
 227         y,
 228         popup_width,
 229         PasswordGenerationPopupController::kPopupPasswordSectionHeight);
 230     divider_bounds_ =
 231         gfx::Rect(kPopupBorderThickness, password_view_->bounds().bottom(),
 232                   popup_width, 1);
 233     y = divider_bounds_.bottom();
 234   }
 235
 236   help_label_->SetBounds(kPopupBorderThickness, y, popup_width,
 237                          help_label_->GetHeightForWidth(popup_width));
 238 }
 239
 240 void PasswordGenerationPopupViewViews::OnPaint(gfx::Canvas* canvas) {
 241   if (!controller_)
 242     return;
 243
 244   // Draw border and background.
 245   views::View::OnPaint(canvas);
 246
 247   // Divider line needs to be drawn after OnPaint() otherwise the background
 248   // will overwrite the divider.
 249   if (password_view_)
 250     canvas->FillRect(divider_bounds_, kDividerColor);
 251 }
 252
 253 void PasswordGenerationPopupViewViews::StyledLabelLinkClicked(
 254     const gfx::Range& range, int event_flags) {
 255   controller_->OnSavedPasswordsLinkClicked();
 256 }
 257
 258 bool PasswordGenerationPopupViewViews::IsPointInPasswordBounds(
 259     const gfx::Point& point) {
 260   if (password_view_)
 261     return password_view_->bounds().Contains(point);
 262   return false;
 263 }
 264
 265 PasswordGenerationPopupView* PasswordGenerationPopupView::Create(
 266     PasswordGenerationPopupController* controller) {
 267   views::Widget* observing_widget =
 268       views::Widget::GetTopLevelWidgetForNativeView(
 269           controller->container_view());
 270
 271   // If the top level widget can't be found, cancel the popup since we can't
 272   // fully set it up.
 273   if (!observing_widget)
 274     return NULL;
 275
 276   return new PasswordGenerationPopupViewViews(controller, observing_widget);
 277 }
 278
 279 void PasswordGenerationPopupViewViews::GetAccessibleState(
 280     ui::AXViewState* state) {
 281   state->name = controller_->SuggestedText();
 282   state->role = ui::AX_ROLE_MENU_ITEM;
 283 }
 284
 285 }  // namespace autofill