origin_chip_view.cc revision 5c02ac1a9c1b504631c0a3d2b6e737b5d738bae1 
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
50class 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
68OriginChipExtensionIcon::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
87OriginChipExtensionIcon::~OriginChipExtensionIcon() {
88}
89
90void OriginChipExtensionIcon::OnExtensionIconImageChanged(
91    extensions::IconImage* image) {
92  if (icon_view_)
93    icon_view_->SetImage(&icon_image_->image_skia());
94}
95
96
97// OriginChipView -------------------------------------------------------------
98
99namespace {
100
101const int kEdgeThickness = 5;
102const int k16x16IconLeadingSpacing = 1;
103const int k16x16IconTrailingSpacing = 2;
104const int kIconTextSpacing = 3;
105const int kTrailingLabelMargin = 0;
106
107const 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
113const 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
119const 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
125const 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
133OriginChipView::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
165OriginChipView::~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
172bool OriginChipView::ShouldShow() {
173  return chrome::ShouldDisplayOriginChipV2() &&
174      location_bar_view_->GetToolbarModel()->WouldOmitURLDueToOriginChip() &&
175      location_bar_view_->GetToolbarModel()->origin_chip_enabled();
176}
177
178void 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(host);
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
254void 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
260int 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
277void OriginChipView::FadeIn() {
278  fade_in_animation_->Show();
279}
280
281gfx::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
292void 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
318void OriginChipView::AnimationProgressed(const gfx::Animation* animation) {
319  if (animation == fade_in_animation_.get())
320    SchedulePaint();
321  else
322    views::LabelButton::AnimationProgressed(animation);
323}
324
325void 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
332void 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
353void 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.
366void 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.
390void OriginChipView::OnSafeBrowsingHit(
391    const SafeBrowsingUIManager::UnsafeResource& resource) {}
392
393void OriginChipView::OnSafeBrowsingMatch(
394    const SafeBrowsingUIManager::UnsafeResource& resource) {
395  OnChanged();
396}
397