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
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
OriginChipExtensionIcon(LocationIconView * icon_view,Profile * profile,const extensions::Extension * extension)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
~OriginChipExtensionIcon()87 OriginChipExtensionIcon::~OriginChipExtensionIcon() {
88 }
89
OnExtensionIconImageChanged(extensions::IconImage * image)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
106 const 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
112 const 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
118 const 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
124 const 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
GetExtension(const GURL & url,Profile * profile)130 const 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
OriginChipView(LocationBarView * location_bar_view,Profile * profile,const gfx::FontList & font_list)140 OriginChipView::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
~OriginChipView()179 OriginChipView::~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
OnChanged()186 void 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
FadeIn()254 void OriginChipView::FadeIn() {
255 fade_in_animation_.Show();
256 }
257
CancelFade()258 void OriginChipView::CancelFade() {
259 fade_in_animation_.Stop();
260 }
261
HostLabelOffset() const262 int OriginChipView::HostLabelOffset() const {
263 return host_label_->x() - GetLabelX();
264 }
265
WidthFromStartOfLabels() const266 int OriginChipView::WidthFromStartOfLabels() const {
267 return width() - GetLabelX();
268 }
269
GetPreferredSize() const270 gfx::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
Layout()282 void 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
GetLabelX() const309 int 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
SetBorderImages(const int images[3][9])316 void 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
AnimationProgressed(const gfx::Animation * animation)346 void OriginChipView::AnimationProgressed(const gfx::Animation* animation) {
347 if (animation == &fade_in_animation_)
348 SchedulePaint();
349 else
350 views::LabelButton::AnimationProgressed(animation);
351 }
352
AnimationEnded(const gfx::Animation * animation)353 void 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
OnPaintBorder(gfx::Canvas * canvas)360 void 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
StateChanged()371 void 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.
ButtonPressed(views::Button * sender,const ui::Event & event)380 void 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.
OnSafeBrowsingHit(const SafeBrowsingUIManager::UnsafeResource & resource)404 void OriginChipView::OnSafeBrowsingHit(
405 const SafeBrowsingUIManager::UnsafeResource& resource) {}
406
OnSafeBrowsingMatch(const SafeBrowsingUIManager::UnsafeResource & resource)407 void OriginChipView::OnSafeBrowsingMatch(
408 const SafeBrowsingUIManager::UnsafeResource& resource) {
409 OnChanged();
410 }
411