origin_chip_view.cc revision 6d86b77056ed63eb6871182f42a9fd5f07550f90 
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_service.h"
13#include "chrome/browser/extensions/extension_util.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_info.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/common/extensions/extension_constants.h"
27#include "content/public/browser/user_metrics.h"
28#include "content/public/browser/web_contents.h"
29#include "content/public/common/url_constants.h"
30#include "extensions/browser/extension_icon_image.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/canvas.h"
40#include "ui/gfx/font_list.h"
41#include "ui/gfx/text_utils.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;
105
106const int kNormalImages[3][9] = {
107  IMAGE_GRID(IDR_ORIGIN_CHIP_NORMAL),
108  IMAGE_GRID(IDR_ORIGIN_CHIP_HOVER),
109  IMAGE_GRID(IDR_ORIGIN_CHIP_PRESSED)
110};
111
112const int kMalwareImages[3][9] = {
113  IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_NORMAL),
114  IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_HOVER),
115  IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_PRESSED)
116};
117
118const int kBrokenSSLImages[3][9] = {
119  IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_NORMAL),
120  IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_HOVER),
121  IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_PRESSED)
122};
123
124const int kEVImages[3][9] = {
125  IMAGE_GRID(IDR_ORIGIN_CHIP_EV_NORMAL),
126  IMAGE_GRID(IDR_ORIGIN_CHIP_EV_HOVER),
127  IMAGE_GRID(IDR_ORIGIN_CHIP_EV_PRESSED)
128};
129
130const extensions::Extension* GetExtension(const GURL& url, Profile* profile) {
131  if (!url.SchemeIs(extensions::kExtensionScheme))
132    return NULL;
133  ExtensionService* service =
134      extensions::ExtensionSystem::Get(profile)->extension_service();
135  return service->extensions()->GetExtensionOrAppByURL(url);
136}
137
138}  // namespace
139
140OriginChipView::OriginChipView(LocationBarView* location_bar_view,
141                               Profile* profile,
142                               const gfx::FontList& font_list)
143    : LabelButton(this, base::string16()),
144      location_bar_view_(location_bar_view),
145      profile_(profile),
146      showing_16x16_icon_(false),
147      fade_in_animation_(this) {
148  EnableCanvasFlippingForRTLUI(true);
149
150  scoped_refptr<SafeBrowsingService> sb_service =
151      g_browser_process->safe_browsing_service();
152  // May not be set for unit tests.
153  if (sb_service && sb_service->ui_manager())
154    sb_service->ui_manager()->AddObserver(this);
155
156  SetFontList(font_list);
157
158  // TODO(gbillock): Would be nice to just use stock LabelButton stuff here.
159  location_icon_view_ = new LocationIconView(location_bar_view_);
160  // Make location icon hover events count as hovering the origin chip.
161  location_icon_view_->set_interactive(false);
162  location_icon_view_->ShowTooltip(true);
163  AddChildView(location_icon_view_);
164
165  ev_label_ = new views::Label(base::string16(), GetFontList());
166  ev_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
167  ev_label_->SetElideBehavior(gfx::TRUNCATE);
168  AddChildView(ev_label_);
169
170  host_label_ = new views::Label(base::string16(), GetFontList());
171  host_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
172  host_label_->SetElideBehavior(gfx::TRUNCATE);
173  AddChildView(host_label_);
174
175  fade_in_animation_.SetTweenType(gfx::Tween::LINEAR_OUT_SLOW_IN);
176  fade_in_animation_.SetSlideDuration(175);
177}
178
179OriginChipView::~OriginChipView() {
180  scoped_refptr<SafeBrowsingService> sb_service =
181      g_browser_process->safe_browsing_service();
182  if (sb_service.get() && sb_service->ui_manager())
183    sb_service->ui_manager()->RemoveObserver(this);
184}
185
186void OriginChipView::OnChanged() {
187  content::WebContents* web_contents = location_bar_view_->GetWebContents();
188  if (!web_contents)
189    return;
190
191  // Note: security level can change async as the connection is made.
192  GURL url = location_bar_view_->GetToolbarModel()->GetURL();
193  const ToolbarModel::SecurityLevel security_level =
194      location_bar_view_->GetToolbarModel()->GetSecurityLevel(true);
195
196  bool url_malware = OriginChip::IsMalware(url, web_contents);
197
198  // TODO(gbillock): We persist a malware setting while a new WebContents
199  // content is loaded, meaning that we end up transiently marking a safe
200  // page as malware. Need to fix that.
201
202  if ((url == url_displayed_) &&
203      (security_level == security_level_) &&
204      (url_malware == url_malware_))
205    return;
206
207  url_displayed_ = url;
208  url_malware_ = url_malware;
209  security_level_ = security_level;
210
211  if (url_malware_) {
212    SetBorderImages(kMalwareImages);
213  } else if (security_level_ == ToolbarModel::SECURITY_ERROR) {
214    SetBorderImages(kBrokenSSLImages);
215  } else if (security_level_ == ToolbarModel::EV_SECURE) {
216    SetBorderImages(kEVImages);
217  } else {
218    SetBorderImages(kNormalImages);
219  }
220
221  ev_label_->SetText(location_bar_view_->GetToolbarModel()->GetEVCertName());
222  ev_label_->SetVisible(security_level_ == ToolbarModel::EV_SECURE);
223
224  // TODO(pkasting): Allow the origin chip to shrink, and use ElideHost().
225  base::string16 host =
226      OriginChip::LabelFromURLForProfile(url_displayed_, profile_);
227  host_label_->SetText(host);
228  host_label_->SetTooltipText(base::UTF8ToUTF16(url.spec()));
229
230  showing_16x16_icon_ = url_displayed_.is_empty() ||
231      url_displayed_.SchemeIs(content::kChromeUIScheme);
232  int icon = showing_16x16_icon_ ? IDR_PRODUCT_LOGO_16 :
233      location_bar_view_->GetToolbarModel()->GetIconForSecurityLevel(
234          security_level_);
235  const extensions::Extension* extension =
236      GetExtension(url_displayed_, profile_);
237  if (extension) {
238    icon = IDR_EXTENSIONS_FAVICON;
239    showing_16x16_icon_ = true;
240    extension_icon_.reset(
241        new OriginChipExtensionIcon(location_icon_view_, profile_, extension));
242  } else {
243    extension_icon_.reset();
244  }
245  location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon));
246
247  if (visible()) {
248    CancelFade();
249    Layout();
250    SchedulePaint();
251  }
252}
253
254void OriginChipView::FadeIn() {
255  fade_in_animation_.Show();
256}
257
258void OriginChipView::CancelFade() {
259  fade_in_animation_.Stop();
260}
261
262int OriginChipView::HostLabelOffset() const {
263  return host_label_->x() - GetLabelX();
264}
265
266int OriginChipView::WidthFromStartOfLabels() const {
267  return width() - GetLabelX();
268}
269
270gfx::Size OriginChipView::GetPreferredSize() const {
271  // TODO(pkasting): Use of " " here is a horrible hack, to be replaced by
272  // splitting the chip into separate pieces for EV/host.
273  int label_size = host_label_->GetPreferredSize().width();
274  if (ev_label_->visible()) {
275    label_size += ev_label_->GetPreferredSize().width() +
276        gfx::GetStringWidth(base::ASCIIToUTF16(" "), GetFontList());
277  }
278  return gfx::Size(GetLabelX() + label_size + kEdgeThickness,
279                   location_icon_view_->GetPreferredSize().height());
280}
281
282void OriginChipView::Layout() {
283  // TODO(gbillock): Eventually we almost certainly want to use
284  // LocationBarLayout for leading and trailing decorations.
285
286  location_icon_view_->SetBounds(
287      kEdgeThickness + (showing_16x16_icon_ ? k16x16IconLeadingSpacing : 0),
288      LocationBarView::kNormalEdgeThickness,
289      location_icon_view_->GetPreferredSize().width(),
290      height() - 2 * LocationBarView::kNormalEdgeThickness);
291
292  int label_x = GetLabelX();
293  int label_width = std::max(0, width() - label_x - kEdgeThickness);
294  const int label_y = LocationBarView::kNormalEdgeThickness;
295  const int label_height = height() - 2 * LocationBarView::kNormalEdgeThickness;
296  if (ev_label_->visible()) {
297    int ev_label_width =
298        std::min(ev_label_->GetPreferredSize().width(), label_width);
299    ev_label_->SetBounds(label_x, label_y, ev_label_width, label_height);
300    // TODO(pkasting): See comments in GetPreferredSize().
301    ev_label_width +=
302        gfx::GetStringWidth(base::ASCIIToUTF16(" "), GetFontList());
303    label_x += ev_label_width;
304    label_width = std::max(0, label_width - ev_label_width);
305  }
306  host_label_->SetBounds(label_x, label_y, label_width, label_height);
307}
308
309int OriginChipView::GetLabelX() const {
310  const int icon_spacing = showing_16x16_icon_ ?
311      (k16x16IconLeadingSpacing + k16x16IconTrailingSpacing) : 0;
312  return kEdgeThickness + location_icon_view_->GetPreferredSize().width() +
313      icon_spacing + kIconTextSpacing;
314}
315
316void OriginChipView::SetBorderImages(const int images[3][9]) {
317  scoped_ptr<views::LabelButtonBorder> border(
318      new views::LabelButtonBorder(views::Button::STYLE_BUTTON));
319
320  for (size_t i = 0; i < 3; ++i) {
321    views::Painter* painter = views::Painter::CreateImageGridPainter(images[i]);
322    border->SetPainter(false, static_cast<Button::ButtonState>(i), painter);
323
324    // Calculate a representative background color of the provided image grid to
325    // use as the background color of the host label in order to color the text
326    // appropriately. We grab the color of the middle pixel of the middle image
327    // of the background, which we treat as the representative color of the
328    // entire background (reasonable, given the current appearance of these
329    // images).
330    const SkBitmap& bitmap(
331        GetThemeProvider()->GetImageSkiaNamed(
332            images[i][4])->GetRepresentation(1.0f).sk_bitmap());
333    SkAutoLockPixels pixel_lock(bitmap);
334    background_colors_[i] =
335        bitmap.getColor(bitmap.width() / 2, bitmap.height() / 2);
336  }
337
338  // Calculate the actual text color of the pressed label.
339  host_label_->SetBackgroundColor(background_colors_[Button::STATE_PRESSED]);
340  pressed_text_color_ = host_label_->enabled_color();
341  host_label_->SetBackgroundColor(background_colors_[state()]);
342
343  SetBorder(border.PassAs<views::Border>());
344}
345
346void OriginChipView::AnimationProgressed(const gfx::Animation* animation) {
347  if (animation == &fade_in_animation_)
348    SchedulePaint();
349  else
350    views::LabelButton::AnimationProgressed(animation);
351}
352
353void OriginChipView::AnimationEnded(const gfx::Animation* animation) {
354  if (animation == &fade_in_animation_)
355    fade_in_animation_.Reset();
356  else
357    views::LabelButton::AnimationEnded(animation);
358}
359
360void OriginChipView::OnPaintBorder(gfx::Canvas* canvas) {
361  if (fade_in_animation_.is_animating()) {
362    canvas->SaveLayerAlpha(static_cast<uint8>(
363        fade_in_animation_.CurrentValueBetween(0, 255)));
364    views::LabelButton::OnPaintBorder(canvas);
365    canvas->Restore();
366  } else {
367    views::LabelButton::OnPaintBorder(canvas);
368  }
369}
370
371void OriginChipView::StateChanged() {
372  DCHECK_LT(state(), 3);
373  SkColor background_color = background_colors_[state()];
374  ev_label_->SetBackgroundColor(background_color);
375  host_label_->SetBackgroundColor(background_color);
376}
377
378// TODO(gbillock): Make the LocationBarView or OmniboxView the listener for
379// this button.
380void OriginChipView::ButtonPressed(views::Button* sender,
381                                 const ui::Event& event) {
382  // See if the event needs to be passed to the LocationIconView.
383  if (event.IsMouseEvent() || (event.type() == ui::ET_GESTURE_TAP)) {
384    location_icon_view_->set_interactive(true);
385    const ui::LocatedEvent& located_event =
386        static_cast<const ui::LocatedEvent&>(event);
387    if (GetEventHandlerForPoint(located_event.location()) ==
388            location_icon_view_) {
389      location_icon_view_->page_info_helper()->ProcessEvent(located_event);
390      location_icon_view_->set_interactive(false);
391      return;
392    }
393    location_icon_view_->set_interactive(false);
394  }
395
396  UMA_HISTOGRAM_COUNTS("OriginChip.Pressed", 1);
397  content::RecordAction(base::UserMetricsAction("OriginChipPress"));
398
399  location_bar_view_->ShowURL();
400}
401
402// Note: When OnSafeBrowsingHit would be called, OnSafeBrowsingMatch will
403// have already been called.
404void OriginChipView::OnSafeBrowsingHit(
405    const SafeBrowsingUIManager::UnsafeResource& resource) {}
406
407void OriginChipView::OnSafeBrowsingMatch(
408    const SafeBrowsingUIManager::UnsafeResource& resource) {
409  OnChanged();
410}
411