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/location_bar/origin_chip_info.h"
23 #include "chrome/browser/ui/omnibox/omnibox_view.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/theme_resources.h"
35 #include "ui/base/resource/resource_bundle.h"
36 #include "ui/base/theme_provider.h"
37 #include "ui/gfx/canvas.h"
38 #include "ui/gfx/font_list.h"
39 #include "ui/gfx/text_utils.h"
40 #include "ui/views/background.h"
41 #include "ui/views/controls/button/label_button.h"
42 #include "ui/views/controls/button/label_button_border.h"
43 #include "ui/views/painter.h"
44
45
46 // OriginChipExtensionIcon ----------------------------------------------------
47
48 class OriginChipExtensionIcon : public extensions::IconImage::Observer {
49 public:
50 OriginChipExtensionIcon(LocationIconView* icon_view,
51 Profile* profile,
52 const extensions::Extension* extension);
53 virtual ~OriginChipExtensionIcon();
54
55 // IconImage::Observer:
56 virtual void OnExtensionIconImageChanged(
57 extensions::IconImage* image) OVERRIDE;
58
59 private:
60 LocationIconView* icon_view_;
61 scoped_ptr<extensions::IconImage> icon_image_;
62
63 DISALLOW_COPY_AND_ASSIGN(OriginChipExtensionIcon);
64 };
65
OriginChipExtensionIcon(LocationIconView * icon_view,Profile * profile,const extensions::Extension * extension)66 OriginChipExtensionIcon::OriginChipExtensionIcon(
67 LocationIconView* icon_view,
68 Profile* profile,
69 const extensions::Extension* extension)
70 : icon_view_(icon_view),
71 icon_image_(new extensions::IconImage(
72 profile,
73 extension,
74 extensions::IconsInfo::GetIcons(extension),
75 extension_misc::EXTENSION_ICON_BITTY,
76 extensions::util::GetDefaultAppIcon(),
77 this)) {
78 // Forces load of the image.
79 icon_image_->image_skia().GetRepresentation(1.0f);
80
81 if (!icon_image_->image_skia().image_reps().empty())
82 OnExtensionIconImageChanged(icon_image_.get());
83 }
84
~OriginChipExtensionIcon()85 OriginChipExtensionIcon::~OriginChipExtensionIcon() {
86 }
87
OnExtensionIconImageChanged(extensions::IconImage * image)88 void OriginChipExtensionIcon::OnExtensionIconImageChanged(
89 extensions::IconImage* image) {
90 if (icon_view_)
91 icon_view_->SetImage(&icon_image_->image_skia());
92 }
93
94
95 // OriginChipView -------------------------------------------------------------
96
97 namespace {
98
99 const int kEdgeThickness = 5;
100 const int k16x16IconLeadingSpacing = 1;
101 const int k16x16IconTrailingSpacing = 2;
102 const int kIconTextSpacing = 3;
103
104 const int kNormalImages[3][9] = {
105 IMAGE_GRID(IDR_ORIGIN_CHIP_NORMAL),
106 IMAGE_GRID(IDR_ORIGIN_CHIP_HOVER),
107 IMAGE_GRID(IDR_ORIGIN_CHIP_PRESSED)
108 };
109
110 const int kMalwareImages[3][9] = {
111 IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_NORMAL),
112 IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_HOVER),
113 IMAGE_GRID(IDR_ORIGIN_CHIP_MALWARE_PRESSED)
114 };
115
116 const int kBrokenSSLImages[3][9] = {
117 IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_NORMAL),
118 IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_HOVER),
119 IMAGE_GRID(IDR_ORIGIN_CHIP_BROKENSSL_PRESSED)
120 };
121
122 const int kEVImages[3][9] = {
123 IMAGE_GRID(IDR_ORIGIN_CHIP_EV_NORMAL),
124 IMAGE_GRID(IDR_ORIGIN_CHIP_EV_HOVER),
125 IMAGE_GRID(IDR_ORIGIN_CHIP_EV_PRESSED)
126 };
127
GetExtension(const GURL & url,Profile * profile)128 const extensions::Extension* GetExtension(const GURL& url, Profile* profile) {
129 if (!url.SchemeIs(extensions::kExtensionScheme))
130 return NULL;
131 ExtensionService* service =
132 extensions::ExtensionSystem::Get(profile)->extension_service();
133 return service->extensions()->GetExtensionOrAppByURL(url);
134 }
135
136 } // namespace
137
OriginChipView(LocationBarView * location_bar_view,Profile * profile,const gfx::FontList & font_list)138 OriginChipView::OriginChipView(LocationBarView* location_bar_view,
139 Profile* profile,
140 const gfx::FontList& font_list)
141 : LabelButton(this, base::string16()),
142 location_bar_view_(location_bar_view),
143 profile_(profile),
144 showing_16x16_icon_(false),
145 fade_in_animation_(this),
146 security_level_(ToolbarModel::NONE),
147 url_malware_(false) {
148 EnableCanvasFlippingForRTLUI(true);
149
150 scoped_refptr<SafeBrowsingService> sb_service =
151 g_browser_process->safe_browsing_service();
152 // |sb_service| may be NULL in tests.
153 if (sb_service.get() && sb_service->ui_manager().get())
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::NO_ELIDE);
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::NO_ELIDE);
173 AddChildView(host_label_);
174
175 fade_in_animation_.SetTweenType(gfx::Tween::LINEAR_OUT_SLOW_IN);
176 fade_in_animation_.SetSlideDuration(175);
177
178 // Ensure |pressed_text_color_| and |background_colors_| are initialized.
179 SetBorderImages(kNormalImages);
180 }
181
~OriginChipView()182 OriginChipView::~OriginChipView() {
183 scoped_refptr<SafeBrowsingService> sb_service =
184 g_browser_process->safe_browsing_service();
185 if (sb_service.get() && sb_service->ui_manager().get())
186 sb_service->ui_manager()->RemoveObserver(this);
187 }
188
OnChanged()189 void OriginChipView::OnChanged() {
190 content::WebContents* web_contents = location_bar_view_->GetWebContents();
191 if (!web_contents)
192 return;
193
194 // Note: security level can change async as the connection is made.
195 GURL url = location_bar_view_->GetToolbarModel()->GetURL();
196 const ToolbarModel::SecurityLevel security_level =
197 location_bar_view_->GetToolbarModel()->GetSecurityLevel(true);
198
199 bool url_malware = OriginChip::IsMalware(url, web_contents);
200
201 // TODO(gbillock): We persist a malware setting while a new WebContents
202 // content is loaded, meaning that we end up transiently marking a safe
203 // page as malware. Need to fix that.
204
205 if ((url == url_displayed_) &&
206 (security_level == security_level_) &&
207 (url_malware == url_malware_))
208 return;
209
210 url_displayed_ = url;
211 url_malware_ = url_malware;
212 security_level_ = security_level;
213
214 if (url_malware_) {
215 SetBorderImages(kMalwareImages);
216 } else if (security_level_ == ToolbarModel::SECURITY_ERROR) {
217 SetBorderImages(kBrokenSSLImages);
218 } else if (security_level_ == ToolbarModel::EV_SECURE) {
219 SetBorderImages(kEVImages);
220 } else {
221 SetBorderImages(kNormalImages);
222 }
223
224 ev_label_->SetText(location_bar_view_->GetToolbarModel()->GetEVCertName());
225 ev_label_->SetVisible(security_level_ == ToolbarModel::EV_SECURE);
226
227 // TODO(pkasting): Allow the origin chip to shrink, and use ElideHost().
228 base::string16 host =
229 OriginChip::LabelFromURLForProfile(url_displayed_, profile_);
230 host_label_->SetText(host);
231 host_label_->SetTooltipText(base::UTF8ToUTF16(url.spec()));
232
233 showing_16x16_icon_ = url_displayed_.is_empty() ||
234 url_displayed_.SchemeIs(content::kChromeUIScheme);
235 int icon = showing_16x16_icon_ ? IDR_PRODUCT_LOGO_16 :
236 location_bar_view_->GetToolbarModel()->GetIconForSecurityLevel(
237 security_level_);
238 const extensions::Extension* extension =
239 GetExtension(url_displayed_, profile_);
240 if (extension) {
241 icon = IDR_EXTENSIONS_FAVICON;
242 showing_16x16_icon_ = true;
243 extension_icon_.reset(
244 new OriginChipExtensionIcon(location_icon_view_, profile_, extension));
245 } else {
246 extension_icon_.reset();
247 }
248 location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon));
249
250 if (visible()) {
251 CancelFade();
252 Layout();
253 SchedulePaint();
254 }
255 }
256
FadeIn()257 void OriginChipView::FadeIn() {
258 fade_in_animation_.Show();
259 }
260
CancelFade()261 void OriginChipView::CancelFade() {
262 fade_in_animation_.Stop();
263 }
264
HostLabelOffset() const265 int OriginChipView::HostLabelOffset() const {
266 return host_label_->x() - GetLabelX();
267 }
268
WidthFromStartOfLabels() const269 int OriginChipView::WidthFromStartOfLabels() const {
270 return width() - GetLabelX();
271 }
272
GetPreferredSize() const273 gfx::Size OriginChipView::GetPreferredSize() const {
274 // TODO(pkasting): Use of " " here is a horrible hack, to be replaced by
275 // splitting the chip into separate pieces for EV/host.
276 int label_size = host_label_->GetPreferredSize().width();
277 if (ev_label_->visible()) {
278 label_size += ev_label_->GetPreferredSize().width() +
279 gfx::GetStringWidth(base::ASCIIToUTF16(" "), GetFontList());
280 }
281 return gfx::Size(GetLabelX() + label_size + kEdgeThickness,
282 location_icon_view_->GetPreferredSize().height());
283 }
284
Layout()285 void OriginChipView::Layout() {
286 // TODO(gbillock): Eventually we almost certainly want to use
287 // LocationBarLayout for leading and trailing decorations.
288
289 location_icon_view_->SetBounds(
290 kEdgeThickness + (showing_16x16_icon_ ? k16x16IconLeadingSpacing : 0),
291 LocationBarView::kNormalEdgeThickness,
292 location_icon_view_->GetPreferredSize().width(),
293 height() - 2 * LocationBarView::kNormalEdgeThickness);
294
295 int label_x = GetLabelX();
296 int label_width = std::max(0, width() - label_x - kEdgeThickness);
297 const int label_y = LocationBarView::kNormalEdgeThickness;
298 const int label_height = height() - 2 * LocationBarView::kNormalEdgeThickness;
299 if (ev_label_->visible()) {
300 int ev_label_width =
301 std::min(ev_label_->GetPreferredSize().width(), label_width);
302 ev_label_->SetBounds(label_x, label_y, ev_label_width, label_height);
303 // TODO(pkasting): See comments in GetPreferredSize().
304 ev_label_width +=
305 gfx::GetStringWidth(base::ASCIIToUTF16(" "), GetFontList());
306 label_x += ev_label_width;
307 label_width = std::max(0, label_width - ev_label_width);
308 }
309 host_label_->SetBounds(label_x, label_y, label_width, label_height);
310 }
311
GetLabelX() const312 int OriginChipView::GetLabelX() const {
313 const int icon_spacing = showing_16x16_icon_ ?
314 (k16x16IconLeadingSpacing + k16x16IconTrailingSpacing) : 0;
315 return kEdgeThickness + location_icon_view_->GetPreferredSize().width() +
316 icon_spacing + kIconTextSpacing;
317 }
318
SetBorderImages(const int images[3][9])319 void OriginChipView::SetBorderImages(const int images[3][9]) {
320 scoped_ptr<views::LabelButtonBorder> border(
321 new views::LabelButtonBorder(views::Button::STYLE_BUTTON));
322
323 for (size_t i = 0; i < 3; ++i) {
324 views::Painter* painter = views::Painter::CreateImageGridPainter(images[i]);
325 border->SetPainter(false, static_cast<Button::ButtonState>(i), painter);
326
327 // Calculate a representative background color of the provided image grid to
328 // use as the background color of the host label in order to color the text
329 // appropriately. We grab the color of the middle pixel of the middle image
330 // of the background, which we treat as the representative color of the
331 // entire background (reasonable, given the current appearance of these
332 // images).
333 //
334 // NOTE: Because this is called from the constructor, when we're not in a
335 // Widget yet, GetThemeProvider() may return NULL, so use the location bar's
336 // theme provider instead to be safe.
337 const SkBitmap& bitmap(
338 location_bar_view_->GetThemeProvider()->GetImageSkiaNamed(
339 images[i][4])->GetRepresentation(1.0f).sk_bitmap());
340 SkAutoLockPixels pixel_lock(bitmap);
341 background_colors_[i] =
342 bitmap.getColor(bitmap.width() / 2, bitmap.height() / 2);
343 }
344
345 // Calculate the actual text color of the pressed label.
346 host_label_->SetBackgroundColor(background_colors_[Button::STATE_PRESSED]);
347 pressed_text_color_ = host_label_->enabled_color();
348 host_label_->SetBackgroundColor(background_colors_[state()]);
349
350 SetBorder(border.PassAs<views::Border>());
351 }
352
AnimationProgressed(const gfx::Animation * animation)353 void OriginChipView::AnimationProgressed(const gfx::Animation* animation) {
354 if (animation == &fade_in_animation_)
355 SchedulePaint();
356 else
357 views::LabelButton::AnimationProgressed(animation);
358 }
359
AnimationEnded(const gfx::Animation * animation)360 void OriginChipView::AnimationEnded(const gfx::Animation* animation) {
361 if (animation == &fade_in_animation_)
362 fade_in_animation_.Reset();
363 else
364 views::LabelButton::AnimationEnded(animation);
365 }
366
OnPaintBorder(gfx::Canvas * canvas)367 void OriginChipView::OnPaintBorder(gfx::Canvas* canvas) {
368 if (fade_in_animation_.is_animating()) {
369 canvas->SaveLayerAlpha(static_cast<uint8>(
370 fade_in_animation_.CurrentValueBetween(0, 255)));
371 views::LabelButton::OnPaintBorder(canvas);
372 canvas->Restore();
373 } else {
374 views::LabelButton::OnPaintBorder(canvas);
375 }
376 }
377
StateChanged()378 void OriginChipView::StateChanged() {
379 DCHECK_LT(state(), 3);
380 SkColor background_color = background_colors_[state()];
381 ev_label_->SetBackgroundColor(background_color);
382 host_label_->SetBackgroundColor(background_color);
383 }
384
385 // TODO(gbillock): Make the LocationBarView or OmniboxView the listener for
386 // this button.
ButtonPressed(views::Button * sender,const ui::Event & event)387 void OriginChipView::ButtonPressed(views::Button* sender,
388 const ui::Event& event) {
389 // See if the event needs to be passed to the LocationIconView.
390 if (event.IsMouseEvent() || (event.type() == ui::ET_GESTURE_TAP)) {
391 location_icon_view_->set_interactive(true);
392 const ui::LocatedEvent& located_event =
393 static_cast<const ui::LocatedEvent&>(event);
394 if (GetEventHandlerForPoint(located_event.location()) ==
395 location_icon_view_) {
396 location_icon_view_->page_info_helper()->ProcessEvent(located_event);
397 location_icon_view_->set_interactive(false);
398 return;
399 }
400 location_icon_view_->set_interactive(false);
401 }
402
403 UMA_HISTOGRAM_COUNTS("OriginChip.Pressed", 1);
404 content::RecordAction(base::UserMetricsAction("OriginChipPress"));
405
406 location_bar_view_->ShowURL();
407 }
408
409 // Note: When OnSafeBrowsingHit would be called, OnSafeBrowsingMatch will
410 // have already been called.
OnSafeBrowsingHit(const SafeBrowsingUIManager::UnsafeResource & resource)411 void OriginChipView::OnSafeBrowsingHit(
412 const SafeBrowsingUIManager::UnsafeResource& resource) {}
413
OnSafeBrowsingMatch(const SafeBrowsingUIManager::UnsafeResource & resource)414 void OriginChipView::OnSafeBrowsingMatch(
415 const SafeBrowsingUIManager::UnsafeResource& resource) {
416 OnChanged();
417 }
418