src/chrome/browser/ui/views/toolbar/origin_chip_view.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/toolbar/origin_chip_view.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/strings/string_util.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/extensions/extension_icon_image.h"
  13 #include "chrome/browser/extensions/extension_service.h"
  14 #include "chrome/browser/favicon/favicon_tab_helper.h"
  15 #include "chrome/browser/profiles/profile.h"
  16 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
  17 #include "chrome/browser/safe_browsing/ui_manager.h"
  18 #include "chrome/browser/search/search.h"
  19 #include "chrome/browser/themes/theme_properties.h"
  20 #include "chrome/browser/ui/browser.h"
  21 #include "chrome/browser/ui/elide_url.h"
  22 #include "chrome/browser/ui/omnibox/omnibox_view.h"
  23 #include "chrome/browser/ui/toolbar/origin_chip.h"
  24 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  25 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
  26 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
  27 #include "chrome/common/extensions/extension_constants.h"
  28 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
  29 #include "content/public/browser/navigation_controller.h"
  30 #include "content/public/browser/navigation_entry.h"
  31 #include "content/public/browser/user_metrics.h"
  32 #include "content/public/browser/web_contents.h"
  33 #include "content/public/common/url_constants.h"
  34 #include "extensions/browser/extension_system.h"
  35 #include "extensions/common/constants.h"
  36 #include "grit/generated_resources.h"
  37 #include "grit/theme_resources.h"
  38 #include "ui/base/l10n/l10n_util.h"
  39 #include "ui/base/resource/resource_bundle.h"
  40 #include "ui/base/theme_provider.h"
  41 #include "ui/views/background.h"
  42 #include "ui/views/button_drag_utils.h"
  43 #include "ui/views/controls/button/label_button.h"
  44 #include "ui/views/controls/button/label_button_border.h"
  45 #include "ui/views/controls/label.h"
  46 #include "ui/views/painter.h"
  47
  48
  49 // OriginChipExtensionIcon ----------------------------------------------------
  50
  51 class OriginChipExtensionIcon : public extensions::IconImage::Observer {
  52  public:
  53   OriginChipExtensionIcon(LocationIconView* icon_view,
  54                           Profile* profile,
  55                           const extensions::Extension* extension);
  56   virtual ~OriginChipExtensionIcon();
  57
  58   // IconImage::Observer:
  59   virtual void OnExtensionIconImageChanged(
  60       extensions::IconImage* image) OVERRIDE;
  61
  62  private:
  63   LocationIconView* icon_view_;
  64   scoped_ptr<extensions::IconImage> icon_image_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(OriginChipExtensionIcon);
  67 };
  68
  69 OriginChipExtensionIcon::OriginChipExtensionIcon(
  70     LocationIconView* icon_view,
  71     Profile* profile,
  72     const extensions::Extension* extension)
  73     : icon_view_(icon_view),
  74       icon_image_(new extensions::IconImage(
  75           profile,
  76           extension,
  77           extensions::IconsInfo::GetIcons(extension),
  78           extension_misc::EXTENSION_ICON_BITTY,
  79           extensions::IconsInfo::GetDefaultAppIcon(),
  80           this)) {
  81   // Forces load of the image.
  82   icon_image_->image_skia().GetRepresentation(1.0f);
  83
  84   if (!icon_image_->image_skia().image_reps().empty())
  85     OnExtensionIconImageChanged(icon_image_.get());
  86 }
  87
  88 OriginChipExtensionIcon::~OriginChipExtensionIcon() {
  89 }
  90
  91 void OriginChipExtensionIcon::OnExtensionIconImageChanged(
  92     extensions::IconImage* image) {
  93   if (icon_view_)
  94     icon_view_->SetImage(&icon_image_->image_skia());
  95 }
  96
  97
  98 // OriginChipView -------------------------------------------------------------
  99
 100 namespace {
 101
 102 const int kEdgeThickness = 5;
 103 const int k16x16IconLeadingSpacing = 1;
 104 const int k16x16IconTrailingSpacing = 2;
 105 const int kIconTextSpacing = 3;
 106 const int kTrailingLabelMargin = 0;
 107
 108 const SkColor kEVBackgroundColor = SkColorSetRGB(163, 226, 120);
 109 const SkColor kMalwareBackgroundColor = SkColorSetRGB(145, 0, 0);
 110 const SkColor kBrokenSSLBackgroundColor = SkColorSetRGB(253, 196, 36);
 111
 112 }  // namespace
 113
 114 OriginChipView::OriginChipView(ToolbarView* toolbar_view)
 115     : ToolbarButton(this, NULL),
 116       toolbar_view_(toolbar_view),
 117       painter_(NULL),
 118       showing_16x16_icon_(false) {
 119   scoped_refptr<SafeBrowsingService> sb_service =
 120       g_browser_process->safe_browsing_service();
 121   // May not be set for unit tests.
 122   if (sb_service.get() && sb_service->ui_manager())
 123     sb_service->ui_manager()->AddObserver(this);
 124
 125   set_drag_controller(this);
 126 }
 127
 128 OriginChipView::~OriginChipView() {
 129   scoped_refptr<SafeBrowsingService> sb_service =
 130       g_browser_process->safe_browsing_service();
 131   if (sb_service.get() && sb_service->ui_manager())
 132     sb_service->ui_manager()->RemoveObserver(this);
 133 }
 134
 135 void OriginChipView::Init() {
 136   ToolbarButton::Init();
 137   image()->EnableCanvasFlippingForRTLUI(false);
 138
 139   // TODO(gbillock): Would be nice to just use stock LabelButton stuff here.
 140   location_icon_view_ = new LocationIconView(toolbar_view_->location_bar());
 141   // Make location icon hover events count as hovering the origin chip.
 142   location_icon_view_->set_interactive(false);
 143
 144   host_label_ = new views::Label();
 145   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 146   host_label_->SetFontList(rb.GetFontList(ui::ResourceBundle::MediumFont));
 147
 148   AddChildView(location_icon_view_);
 149   AddChildView(host_label_);
 150
 151   location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(
 152       IDR_LOCATION_BAR_HTTP));
 153   location_icon_view_->ShowTooltip(true);
 154
 155   const int kEVBackgroundImages[] = IMAGE_GRID(IDR_SITE_CHIP_EV);
 156   ev_background_painter_.reset(
 157       views::Painter::CreateImageGridPainter(kEVBackgroundImages));
 158   const int kBrokenSSLBackgroundImages[] = IMAGE_GRID(IDR_SITE_CHIP_BROKENSSL);
 159   broken_ssl_background_painter_.reset(
 160       views::Painter::CreateImageGridPainter(kBrokenSSLBackgroundImages));
 161   const int kMalwareBackgroundImages[] = IMAGE_GRID(IDR_SITE_CHIP_MALWARE);
 162   malware_background_painter_.reset(
 163       views::Painter::CreateImageGridPainter(kMalwareBackgroundImages));
 164 }
 165
 166 bool OriginChipView::ShouldShow() {
 167   return chrome::ShouldDisplayOriginChip() ||
 168       (toolbar_view_->GetToolbarModel()->WouldOmitURLDueToOriginChip() &&
 169        toolbar_view_->GetToolbarModel()->origin_chip_enabled());
 170 }
 171
 172 void OriginChipView::Update(content::WebContents* web_contents) {
 173   if (!web_contents)
 174     return;
 175
 176   // Note: security level can change async as the connection is made.
 177   GURL url = toolbar_view_->GetToolbarModel()->GetURL();
 178   const ToolbarModel::SecurityLevel security_level =
 179       toolbar_view_->GetToolbarModel()->GetSecurityLevel(true);
 180
 181   bool url_malware = OriginChip::IsMalware(url, web_contents);
 182
 183   // TODO(gbillock): We persist a malware setting while a new WebContents
 184   // content is loaded, meaning that we end up transiently marking a safe
 185   // page as malware. Need to fix that.
 186
 187   if ((url == url_displayed_) &&
 188       (security_level == security_level_) &&
 189       (url_malware == url_malware_))
 190     return;
 191
 192   url_displayed_ = url;
 193   url_malware_ = url_malware;
 194   security_level_ = security_level;
 195
 196   SkColor label_background =
 197       GetThemeProvider()->GetColor(ThemeProperties::COLOR_TOOLBAR);
 198   if (url_malware_) {
 199     painter_ = malware_background_painter_.get();
 200     label_background = kMalwareBackgroundColor;
 201   } else if (security_level_ == ToolbarModel::SECURITY_ERROR) {
 202     painter_ = broken_ssl_background_painter_.get();
 203     label_background = kBrokenSSLBackgroundColor;
 204   } else if (security_level_ == ToolbarModel::EV_SECURE) {
 205     painter_ = ev_background_painter_.get();
 206     label_background = kEVBackgroundColor;
 207   } else {
 208     painter_ = NULL;
 209   }
 210
 211   base::string16 host =
 212       OriginChip::LabelFromURLForProfile(url_displayed_,
 213                                          toolbar_view_->browser()->profile());
 214   if (security_level_ == ToolbarModel::EV_SECURE) {
 215     host = l10n_util::GetStringFUTF16(IDS_SITE_CHIP_EV_SSL_LABEL,
 216         toolbar_view_->GetToolbarModel()->GetEVCertName(),
 217         host);
 218   }
 219
 220   host_label_->SetText(host);
 221   host_label_->SetTooltipText(host);
 222   host_label_->SetBackgroundColor(label_background);
 223   host_label_->SetElideBehavior(views::Label::NO_ELIDE);
 224
 225   int icon = toolbar_view_->GetToolbarModel()->GetIconForSecurityLevel(
 226       security_level_);
 227   showing_16x16_icon_ = false;
 228
 229   if (url_displayed_.is_empty() ||
 230       url_displayed_.SchemeIs(content::kChromeUIScheme)) {
 231     icon = IDR_PRODUCT_LOGO_16;
 232     showing_16x16_icon_ = true;
 233   }
 234
 235   location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon));
 236
 237   if (url_displayed_.SchemeIs(extensions::kExtensionScheme)) {
 238     icon = IDR_EXTENSIONS_FAVICON;
 239     showing_16x16_icon_ = true;
 240     location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon));
 241
 242     ExtensionService* service =
 243         extensions::ExtensionSystem::Get(
 244             toolbar_view_->browser()->profile())->extension_service();
 245     const extensions::Extension* extension =
 246         service->extensions()->GetExtensionOrAppByURL(url_displayed_);
 247     extension_icon_.reset(
 248         new OriginChipExtensionIcon(location_icon_view_,
 249                                     toolbar_view_->browser()->profile(),
 250                                     extension));
 251   } else {
 252     extension_icon_.reset();
 253   }
 254
 255   Layout();
 256   SchedulePaint();
 257 }
 258
 259 void OriginChipView::OnChanged() {
 260   Update(toolbar_view_->GetWebContents());
 261   toolbar_view_->Layout();
 262   toolbar_view_->SchedulePaint();
 263   // TODO(gbillock): Also need to potentially repaint infobars to make sure the
 264   // arrows are pointing to the right spot. Only needed for some edge cases.
 265 }
 266
 267 gfx::Size OriginChipView::GetPreferredSize() {
 268   gfx::Size label_size = host_label_->GetPreferredSize();
 269   gfx::Size icon_size = location_icon_view_->GetPreferredSize();
 270   int icon_spacing = showing_16x16_icon_ ?
 271       (k16x16IconLeadingSpacing + k16x16IconTrailingSpacing) : 0;
 272   return gfx::Size(kEdgeThickness + icon_size.width() + icon_spacing +
 273                    kIconTextSpacing + label_size.width() +
 274                    kTrailingLabelMargin + kEdgeThickness,
 275                    icon_size.height());
 276 }
 277
 278 void OriginChipView::Layout() {
 279   // TODO(gbillock): Eventually we almost certainly want to use
 280   // LocationBarLayout for leading and trailing decorations.
 281
 282   location_icon_view_->SetBounds(
 283       kEdgeThickness + (showing_16x16_icon_ ? k16x16IconLeadingSpacing : 0),
 284       LocationBarView::kNormalEdgeThickness,
 285       location_icon_view_->GetPreferredSize().width(),
 286       height() - 2 * LocationBarView::kNormalEdgeThickness);
 287
 288   int host_label_x = location_icon_view_->x() + location_icon_view_->width() +
 289       kIconTextSpacing;
 290   host_label_x += showing_16x16_icon_ ? k16x16IconTrailingSpacing : 0;
 291   int host_label_width =
 292       width() - host_label_x - kEdgeThickness - kTrailingLabelMargin;
 293   host_label_->SetBounds(host_label_x,
 294                          LocationBarView::kNormalEdgeThickness,
 295                          host_label_width,
 296                          height() - 2 * LocationBarView::kNormalEdgeThickness);
 297 }
 298
 299 void OriginChipView::OnPaint(gfx::Canvas* canvas) {
 300   gfx::Rect rect(GetLocalBounds());
 301   if (painter_)
 302     views::Painter::PaintPainterAt(canvas, painter_, rect);
 303
 304   ToolbarButton::OnPaint(canvas);
 305 }
 306
 307 int OriginChipView::ElideDomainTarget(int target_max_width) {
 308   base::string16 host =
 309       OriginChip::LabelFromURLForProfile(url_displayed_,
 310                                          toolbar_view_->browser()->profile());
 311   host_label_->SetText(host);
 312   int width = GetPreferredSize().width();
 313   if (width <= target_max_width)
 314     return width;
 315
 316   gfx::Size label_size = host_label_->GetPreferredSize();
 317   int padding_width = width - label_size.width();
 318
 319   host_label_->SetText(ElideHost(
 320       toolbar_view_->GetToolbarModel()->GetURL(),
 321       host_label_->font_list(), target_max_width - padding_width));
 322   return GetPreferredSize().width();
 323 }
 324
 325 // TODO(gbillock): Make the LocationBarView or OmniboxView the listener for
 326 // this button.
 327 void OriginChipView::ButtonPressed(views::Button* sender,
 328                                  const ui::Event& event) {
 329   // See if the event needs to be passed to the LocationIconView.
 330   if (event.IsMouseEvent() || (event.type() == ui::ET_GESTURE_TAP)) {
 331     location_icon_view_->set_interactive(true);
 332     const ui::LocatedEvent& located_event =
 333         static_cast<const ui::LocatedEvent&>(event);
 334     if (GetEventHandlerForPoint(located_event.location()) ==
 335             location_icon_view_) {
 336       location_icon_view_->page_info_helper()->ProcessEvent(located_event);
 337       location_icon_view_->set_interactive(false);
 338       return;
 339     }
 340     location_icon_view_->set_interactive(false);
 341   }
 342
 343   UMA_HISTOGRAM_COUNTS("OriginChip.Pressed", 1);
 344   content::RecordAction(base::UserMetricsAction("OriginChipPress"));
 345
 346   toolbar_view_->location_bar()->GetOmniboxView()->SetFocus();
 347   toolbar_view_->location_bar()->GetOmniboxView()->model()->
 348       SetCaretVisibility(true);
 349   toolbar_view_->location_bar()->GetOmniboxView()->ShowURL();
 350 }
 351
 352 void OriginChipView::WriteDragDataForView(View* sender,
 353                                         const gfx::Point& press_pt,
 354                                         OSExchangeData* data) {
 355   // TODO(gbillock): Consolidate this with the identical logic in
 356   // LocationBarView.
 357   content::WebContents* web_contents = toolbar_view_->GetWebContents();
 358   FaviconTabHelper* favicon_tab_helper =
 359       FaviconTabHelper::FromWebContents(web_contents);
 360   gfx::ImageSkia favicon = favicon_tab_helper->GetFavicon().AsImageSkia();
 361   button_drag_utils::SetURLAndDragImage(web_contents->GetURL(),
 362                                         web_contents->GetTitle(),
 363                                         favicon,
 364                                         data,
 365                                         sender->GetWidget());
 366 }
 367
 368 int OriginChipView::GetDragOperationsForView(View* sender,
 369                                            const gfx::Point& p) {
 370   return ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK;
 371 }
 372
 373 bool OriginChipView::CanStartDragForView(View* sender,
 374                                        const gfx::Point& press_pt,
 375                                        const gfx::Point& p) {
 376   return true;
 377 }
 378
 379 // Note: When OnSafeBrowsingHit would be called, OnSafeBrowsingMatch will
 380 // have already been called.
 381 void OriginChipView::OnSafeBrowsingHit(
 382     const SafeBrowsingUIManager::UnsafeResource& resource) {}
 383
 384 void OriginChipView::OnSafeBrowsingMatch(
 385     const SafeBrowsingUIManager::UnsafeResource& resource) {
 386   OnChanged();
 387 }