src/chrome/browser/ui/views/location_bar/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/location_bar/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/extensions/extension_util.h"
  15 #include "chrome/browser/favicon/favicon_tab_helper.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
  18 #include "chrome/browser/safe_browsing/ui_manager.h"
  19 #include "chrome/browser/search/search.h"
  20 #include "chrome/browser/themes/theme_properties.h"
  21 #include "chrome/browser/ui/browser.h"
  22 #include "chrome/browser/ui/elide_url.h"
  23 #include "chrome/browser/ui/omnibox/omnibox_view.h"
  24 #include "chrome/browser/ui/toolbar/origin_chip_info.h"
  25 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  26 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
  27 #include "chrome/common/extensions/extension_constants.h"
  28 #include "content/public/browser/user_metrics.h"
  29 #include "content/public/browser/web_contents.h"
  30 #include "content/public/common/url_constants.h"
  31 #include "extensions/browser/extension_system.h"
  32 #include "extensions/common/constants.h"
  33 #include "extensions/common/manifest_handlers/icons_handler.h"
  34 #include "grit/generated_resources.h"
  35 #include "grit/theme_resources.h"
  36 #include "ui/base/l10n/l10n_util.h"
  37 #include "ui/base/resource/resource_bundle.h"
  38 #include "ui/base/theme_provider.h"
  39 #include "ui/gfx/animation/slide_animation.h"
  40 #include "ui/gfx/canvas.h"
  41 #include "ui/gfx/font_list.h"
  42 #include "ui/views/background.h"
  43 #include "ui/views/controls/button/label_button.h"
  44 #include "ui/views/controls/button/label_button_border.h"
  45 #include "ui/views/painter.h"
  46
  47
  48 // OriginChipExtensionIcon ----------------------------------------------------
  49
  50 class OriginChipExtensionIcon : public extensions::IconImage::Observer {
  51  public:
  52   OriginChipExtensionIcon(LocationIconView* icon_view,
  53                           Profile* profile,
  54                           const extensions::Extension* extension);
  55   virtual ~OriginChipExtensionIcon();
  56
  57   // IconImage::Observer:
  58   virtual void OnExtensionIconImageChanged(
  59       extensions::IconImage* image) OVERRIDE;
  60
  61  private:
  62   LocationIconView* icon_view_;
  63   scoped_ptr<extensions::IconImage> icon_image_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(OriginChipExtensionIcon);
  66 };
  67
  68 OriginChipExtensionIcon::OriginChipExtensionIcon(
  69     LocationIconView* icon_view,
  70     Profile* profile,
  71     const extensions::Extension* extension)
  72     : icon_view_(icon_view),
  73       icon_image_(new extensions::IconImage(
  74           profile,
  75           extension,
  76           extensions::IconsInfo::GetIcons(extension),
  77           extension_misc::EXTENSION_ICON_BITTY,
  78           extensions::util::GetDefaultAppIcon(),
  79           this)) {
  80   // Forces load of the image.
  81   icon_image_->image_skia().GetRepresentation(1.0f);
  82
  83   if (!icon_image_->image_skia().image_reps().empty())
  84     OnExtensionIconImageChanged(icon_image_.get());
  85 }
  86
  87 OriginChipExtensionIcon::~OriginChipExtensionIcon() {
  88 }
  89
  90 void OriginChipExtensionIcon::OnExtensionIconImageChanged(
  91     extensions::IconImage* image) {
  92   if (icon_view_)
  93     icon_view_->SetImage(&icon_image_->image_skia());
  94 }
  95
  96
  97 // OriginChipView -------------------------------------------------------------
  98
  99 namespace {
 100
 101 const int kEdgeThickness = 5;
 102 const int k16x16IconLeadingSpacing = 1;
 103 const int k16x16IconTrailingSpacing = 2;
 104 const int kIconTextSpacing = 3;
 105 const int kTrailingLabelMargin = 0;
 106
 107 const int kNormalImages[3][9] = {
 108   IMAGE_GRID(IDR_ORIGIN_CHIP_NORMAL),
 109   IMAGE_GRID(IDR_ORIGIN_CHIP_HOVER),
 110   IMAGE_GRID(IDR_ORIGIN_CHIP_PRESSED)
 111 };
 112
 113 const int kMalwareImages[3][9] = {
 114   IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_NORMAL),
 115   IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_HOVER),
 116   IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_PRESSED)
 117 };
 118
 119 const int kBrokenSSLImages[3][9] = {
 120   IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_NORMAL),
 121   IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_HOVER),
 122   IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_PRESSED)
 123 };
 124
 125 const int kEVImages[3][9] = {
 126   IMAGE_GRID(IDR_ORIGIN_CHIP_EV_NORMAL),
 127   IMAGE_GRID(IDR_ORIGIN_CHIP_EV_HOVER),
 128   IMAGE_GRID(IDR_ORIGIN_CHIP_EV_PRESSED)
 129 };
 130
 131 }  // namespace
 132
 133 OriginChipView::OriginChipView(LocationBarView* location_bar_view,
 134                                Profile* profile,
 135                                const gfx::FontList& font_list)
 136     : LabelButton(this, base::string16()),
 137       location_bar_view_(location_bar_view),
 138       profile_(profile),
 139       showing_16x16_icon_(false) {
 140   scoped_refptr<SafeBrowsingService> sb_service =
 141       g_browser_process->safe_browsing_service();
 142   // May not be set for unit tests.
 143   if (sb_service && sb_service->ui_manager())
 144     sb_service->ui_manager()->AddObserver(this);
 145
 146   SetFontList(font_list);
 147
 148   image()->EnableCanvasFlippingForRTLUI(false);
 149
 150   // TODO(gbillock): Would be nice to just use stock LabelButton stuff here.
 151   location_icon_view_ = new LocationIconView(location_bar_view_);
 152   // Make location icon hover events count as hovering the origin chip.
 153   location_icon_view_->set_interactive(false);
 154   location_icon_view_->ShowTooltip(true);
 155   AddChildView(location_icon_view_);
 156
 157   host_label_ = new views::Label(base::string16(), GetFontList());
 158   AddChildView(host_label_);
 159
 160   fade_in_animation_.reset(new gfx::SlideAnimation(this));
 161   fade_in_animation_->SetTweenType(gfx::Tween::LINEAR);
 162   fade_in_animation_->SetSlideDuration(300);
 163 }
 164
 165 OriginChipView::~OriginChipView() {
 166   scoped_refptr<SafeBrowsingService> sb_service =
 167       g_browser_process->safe_browsing_service();
 168   if (sb_service.get() && sb_service->ui_manager())
 169     sb_service->ui_manager()->RemoveObserver(this);
 170 }
 171
 172 bool OriginChipView::ShouldShow() {
 173   return chrome::ShouldDisplayOriginChipV2() &&
 174       location_bar_view_->GetToolbarModel()->WouldOmitURLDueToOriginChip() &&
 175       location_bar_view_->GetToolbarModel()->origin_chip_enabled();
 176 }
 177
 178 void OriginChipView::Update(content::WebContents* web_contents) {
 179   if (!web_contents)
 180     return;
 181
 182   // Note: security level can change async as the connection is made.
 183   GURL url = location_bar_view_->GetToolbarModel()->GetURL();
 184   const ToolbarModel::SecurityLevel security_level =
 185       location_bar_view_->GetToolbarModel()->GetSecurityLevel(true);
 186
 187   bool url_malware = OriginChip::IsMalware(url, web_contents);
 188
 189   // TODO(gbillock): We persist a malware setting while a new WebContents
 190   // content is loaded, meaning that we end up transiently marking a safe
 191   // page as malware. Need to fix that.
 192
 193   if ((url == url_displayed_) &&
 194       (security_level == security_level_) &&
 195       (url_malware == url_malware_))
 196     return;
 197
 198   url_displayed_ = url;
 199   url_malware_ = url_malware;
 200   security_level_ = security_level;
 201
 202   if (url_malware_) {
 203     SetBorderImages(kMalwareImages);
 204   } else if (security_level_ == ToolbarModel::SECURITY_ERROR) {
 205     SetBorderImages(kBrokenSSLImages);
 206   } else if (security_level_ == ToolbarModel::EV_SECURE) {
 207     SetBorderImages(kEVImages);
 208   } else {
 209     SetBorderImages(kNormalImages);
 210   }
 211
 212   base::string16 host =
 213       OriginChip::LabelFromURLForProfile(url_displayed_, profile_);
 214   if (security_level_ == ToolbarModel::EV_SECURE) {
 215     host = l10n_util::GetStringFUTF16(IDS_SITE_CHIP_EV_SSL_LABEL,
 216         location_bar_view_->GetToolbarModel()->GetEVCertName(),
 217         host);
 218   }
 219   host_label_->SetText(host);
 220   host_label_->SetTooltipText(base::UTF8ToUTF16(url.spec()));
 221   host_label_->SetElideBehavior(views::Label::NO_ELIDE);
 222
 223   int icon = location_bar_view_->GetToolbarModel()->GetIconForSecurityLevel(
 224       security_level_);
 225   showing_16x16_icon_ = false;
 226
 227   if (url_displayed_.is_empty() ||
 228       url_displayed_.SchemeIs(content::kChromeUIScheme)) {
 229     icon = IDR_PRODUCT_LOGO_16;
 230     showing_16x16_icon_ = true;
 231   }
 232
 233   location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon));
 234
 235   if (url_displayed_.SchemeIs(extensions::kExtensionScheme)) {
 236     icon = IDR_EXTENSIONS_FAVICON;
 237     showing_16x16_icon_ = true;
 238     location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon));
 239
 240     ExtensionService* service =
 241         extensions::ExtensionSystem::Get(profile_)->extension_service();
 242     const extensions::Extension* extension =
 243         service->extensions()->GetExtensionOrAppByURL(url_displayed_);
 244     extension_icon_.reset(
 245         new OriginChipExtensionIcon(location_icon_view_, profile_, extension));
 246   } else {
 247     extension_icon_.reset();
 248   }
 249
 250   Layout();
 251   SchedulePaint();
 252 }
 253
 254 void OriginChipView::OnChanged() {
 255   Update(location_bar_view_->GetWebContents());
 256   // TODO(gbillock): Also need to potentially repaint infobars to make sure the
 257   // arrows are pointing to the right spot. Only needed for some edge cases.
 258 }
 259
 260 int OriginChipView::ElideDomainTarget(int target_max_width) {
 261   base::string16 host =
 262       OriginChip::LabelFromURLForProfile(url_displayed_, profile_);
 263   host_label_->SetText(host);
 264   int width = GetPreferredSize().width();
 265   if (width <= target_max_width)
 266     return width;
 267
 268   gfx::Size label_size = host_label_->GetPreferredSize();
 269   int padding_width = width - label_size.width();
 270
 271   host_label_->SetText(ElideHost(
 272       location_bar_view_->GetToolbarModel()->GetURL(),
 273       host_label_->font_list(), target_max_width - padding_width));
 274   return GetPreferredSize().width();
 275 }
 276
 277 void OriginChipView::FadeIn() {
 278   fade_in_animation_->Show();
 279 }
 280
 281 gfx::Size OriginChipView::GetPreferredSize() {
 282   gfx::Size label_size = host_label_->GetPreferredSize();
 283   gfx::Size icon_size = location_icon_view_->GetPreferredSize();
 284   int icon_spacing = showing_16x16_icon_ ?
 285       (k16x16IconLeadingSpacing + k16x16IconTrailingSpacing) : 0;
 286   return gfx::Size(kEdgeThickness + icon_size.width() + icon_spacing +
 287                    kIconTextSpacing + label_size.width() +
 288                    kTrailingLabelMargin + kEdgeThickness,
 289                    icon_size.height());
 290 }
 291
 292 void OriginChipView::SetBorderImages(const int images[3][9]) {
 293   scoped_ptr<views::LabelButtonBorder> border(
 294       new views::LabelButtonBorder(views::Button::STYLE_BUTTON));
 295
 296   views::Painter* painter = views::Painter::CreateImageGridPainter(images[0]);
 297   border->SetPainter(false, Button::STATE_NORMAL, painter);
 298   painter = views::Painter::CreateImageGridPainter(images[1]);
 299   border->SetPainter(false, Button::STATE_HOVERED, painter);
 300   painter = views::Painter::CreateImageGridPainter(images[2]);
 301   border->SetPainter(false, Button::STATE_PRESSED, painter);
 302
 303   SetBorder(border.PassAs<views::Border>());
 304
 305   // Calculate a representative background color of the provided image grid and
 306   // set it as the background color of the host label in order to color the text
 307   // appropriately. We grab the color of the middle pixel of the middle image
 308   // of the background, which we treat as the representative color of the entire
 309   // background (reasonable, given the current appearance of these images).
 310   const SkBitmap& bitmap(
 311       GetThemeProvider()->GetImageSkiaNamed(
 312           images[0][4])->GetRepresentation(1.0f).sk_bitmap());
 313   SkAutoLockPixels pixel_lock(bitmap);
 314   host_label_->SetBackgroundColor(
 315       bitmap.getColor(bitmap.width() / 2, bitmap.height() / 2));
 316 }
 317
 318 void OriginChipView::AnimationProgressed(const gfx::Animation* animation) {
 319   if (animation == fade_in_animation_.get())
 320     SchedulePaint();
 321   else
 322     views::LabelButton::AnimationProgressed(animation);
 323 }
 324
 325 void OriginChipView::AnimationEnded(const gfx::Animation* animation) {
 326   if (animation == fade_in_animation_.get())
 327     fade_in_animation_->Reset();
 328   else
 329     views::LabelButton::AnimationEnded(animation);
 330 }
 331
 332 void OriginChipView::Layout() {
 333   // TODO(gbillock): Eventually we almost certainly want to use
 334   // LocationBarLayout for leading and trailing decorations.
 335
 336   location_icon_view_->SetBounds(
 337       kEdgeThickness + (showing_16x16_icon_ ? k16x16IconLeadingSpacing : 0),
 338       LocationBarView::kNormalEdgeThickness,
 339       location_icon_view_->GetPreferredSize().width(),
 340       height() - 2 * LocationBarView::kNormalEdgeThickness);
 341
 342   int host_label_x = location_icon_view_->x() + location_icon_view_->width() +
 343       kIconTextSpacing;
 344   host_label_x += showing_16x16_icon_ ? k16x16IconTrailingSpacing : 0;
 345   int host_label_width =
 346       width() - host_label_x - kEdgeThickness - kTrailingLabelMargin;
 347   host_label_->SetBounds(host_label_x,
 348                          LocationBarView::kNormalEdgeThickness,
 349                          host_label_width,
 350                          height() - 2 * LocationBarView::kNormalEdgeThickness);
 351 }
 352
 353 void OriginChipView::OnPaintBorder(gfx::Canvas* canvas) {
 354   if (fade_in_animation_->is_animating()) {
 355     canvas->SaveLayerAlpha(static_cast<uint8>(
 356         fade_in_animation_->CurrentValueBetween(0, 255)));
 357     views::LabelButton::OnPaintBorder(canvas);
 358     canvas->Restore();
 359   } else {
 360     views::LabelButton::OnPaintBorder(canvas);
 361   }
 362 }
 363
 364 // TODO(gbillock): Make the LocationBarView or OmniboxView the listener for
 365 // this button.
 366 void OriginChipView::ButtonPressed(views::Button* sender,
 367                                  const ui::Event& event) {
 368   // See if the event needs to be passed to the LocationIconView.
 369   if (event.IsMouseEvent() || (event.type() == ui::ET_GESTURE_TAP)) {
 370     location_icon_view_->set_interactive(true);
 371     const ui::LocatedEvent& located_event =
 372         static_cast<const ui::LocatedEvent&>(event);
 373     if (GetEventHandlerForPoint(located_event.location()) ==
 374             location_icon_view_) {
 375       location_icon_view_->page_info_helper()->ProcessEvent(located_event);
 376       location_icon_view_->set_interactive(false);
 377       return;
 378     }
 379     location_icon_view_->set_interactive(false);
 380   }
 381
 382   UMA_HISTOGRAM_COUNTS("OriginChip.Pressed", 1);
 383   content::RecordAction(base::UserMetricsAction("OriginChipPress"));
 384
 385   location_bar_view_->ShowURL();
 386 }
 387
 388 // Note: When OnSafeBrowsingHit would be called, OnSafeBrowsingMatch will
 389 // have already been called.
 390 void OriginChipView::OnSafeBrowsingHit(
 391     const SafeBrowsingUIManager::UnsafeResource& resource) {}
 392
 393 void OriginChipView::OnSafeBrowsingMatch(
 394     const SafeBrowsingUIManager::UnsafeResource& resource) {
 395   OnChanged();
 396 }