1 // Copyright (c) 2013 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/extensions/extension_message_bubble_view.h"
6
7 #include "base/strings/string_number_conversions.h"
8 #include "base/strings/string_util.h"
9 #include "base/strings/utf_string_conversions.h"
10 #include "chrome/browser/extensions/dev_mode_bubble_controller.h"
11 #include "chrome/browser/extensions/extension_action_manager.h"
12 #include "chrome/browser/extensions/extension_message_bubble_controller.h"
13 #include "chrome/browser/extensions/extension_service.h"
14 #include "chrome/browser/extensions/proxy_overridden_bubble_controller.h"
15 #include "chrome/browser/extensions/settings_api_bubble_controller.h"
16 #include "chrome/browser/extensions/settings_api_helpers.h"
17 #include "chrome/browser/extensions/suspicious_extension_bubble_controller.h"
18 #include "chrome/browser/profiles/profile.h"
19 #include "chrome/browser/ui/view_ids.h"
20 #include "chrome/browser/ui/views/frame/browser_view.h"
21 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
22 #include "chrome/browser/ui/views/toolbar/browser_actions_container_observer.h"
23 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
24 #include "extensions/browser/extension_prefs.h"
25 #include "extensions/browser/extension_system.h"
26 #include "grit/locale_settings.h"
27 #include "ui/accessibility/ax_view_state.h"
28 #include "ui/base/resource/resource_bundle.h"
29 #include "ui/views/controls/button/label_button.h"
30 #include "ui/views/controls/label.h"
31 #include "ui/views/controls/link.h"
32 #include "ui/views/layout/grid_layout.h"
33 #include "ui/views/view.h"
34 #include "ui/views/widget/widget.h"
35
36 namespace {
37
38 base::LazyInstance<std::set<Profile*> > g_profiles_evaluated =
39 LAZY_INSTANCE_INITIALIZER;
40
41 // Layout constants.
42 const int kExtensionListPadding = 10;
43 const int kInsetBottomRight = 13;
44 const int kInsetLeft = 14;
45 const int kInsetTop = 9;
46 const int kHeadlineMessagePadding = 4;
47 const int kHeadlineRowPadding = 10;
48 const int kMessageBubblePadding = 11;
49
50 // How many extensions to show in the bubble (max).
51 const size_t kMaxExtensionsToShow = 7;
52
53 // How long to wait until showing the bubble (in seconds).
54 const int kBubbleAppearanceWaitTime = 5;
55
56 } // namespace
57
58 namespace extensions {
59
ExtensionMessageBubbleView(views::View * anchor_view,views::BubbleBorder::Arrow arrow_location,scoped_ptr<extensions::ExtensionMessageBubbleController> controller)60 ExtensionMessageBubbleView::ExtensionMessageBubbleView(
61 views::View* anchor_view,
62 views::BubbleBorder::Arrow arrow_location,
63 scoped_ptr<extensions::ExtensionMessageBubbleController> controller)
64 : BubbleDelegateView(anchor_view, arrow_location),
65 weak_factory_(this),
66 controller_(controller.Pass()),
67 anchor_view_(anchor_view),
68 headline_(NULL),
69 learn_more_(NULL),
70 dismiss_button_(NULL),
71 link_clicked_(false),
72 action_taken_(false) {
73 DCHECK(anchor_view->GetWidget());
74 set_close_on_deactivate(controller_->CloseOnDeactivate());
75 set_close_on_esc(true);
76
77 // Compensate for built-in vertical padding in the anchor view's image.
78 set_anchor_view_insets(gfx::Insets(5, 0, 5, 0));
79 }
80
OnActionButtonClicked(const base::Closure & callback)81 void ExtensionMessageBubbleView::OnActionButtonClicked(
82 const base::Closure& callback) {
83 action_callback_ = callback;
84 }
85
OnDismissButtonClicked(const base::Closure & callback)86 void ExtensionMessageBubbleView::OnDismissButtonClicked(
87 const base::Closure& callback) {
88 dismiss_callback_ = callback;
89 }
90
OnLinkClicked(const base::Closure & callback)91 void ExtensionMessageBubbleView::OnLinkClicked(
92 const base::Closure& callback) {
93 link_callback_ = callback;
94 }
95
Show()96 void ExtensionMessageBubbleView::Show() {
97 // Not showing the bubble right away (during startup) has a few benefits:
98 // We don't have to worry about focus being lost due to the Omnibox (or to
99 // other things that want focus at startup). This allows Esc to work to close
100 // the bubble and also solves the keyboard accessibility problem that comes
101 // with focus being lost (we don't have a good generic mechanism of injecting
102 // bubbles into the focus cycle). Another benefit of delaying the show is
103 // that fade-in works (the fade-in isn't apparent if the the bubble appears at
104 // startup).
105 base::MessageLoop::current()->PostDelayedTask(
106 FROM_HERE,
107 base::Bind(&ExtensionMessageBubbleView::ShowBubble,
108 weak_factory_.GetWeakPtr()),
109 base::TimeDelta::FromSeconds(kBubbleAppearanceWaitTime));
110 }
111
OnWidgetDestroying(views::Widget * widget)112 void ExtensionMessageBubbleView::OnWidgetDestroying(views::Widget* widget) {
113 // To catch Esc, we monitor destroy message. Unless the link has been clicked,
114 // we assume Dismiss was the action taken.
115 if (!link_clicked_ && !action_taken_)
116 dismiss_callback_.Run();
117 }
118
119 ////////////////////////////////////////////////////////////////////////////////
120 // ExtensionMessageBubbleView - private.
121
~ExtensionMessageBubbleView()122 ExtensionMessageBubbleView::~ExtensionMessageBubbleView() {}
123
ShowBubble()124 void ExtensionMessageBubbleView::ShowBubble() {
125 GetWidget()->Show();
126 }
127
Init()128 void ExtensionMessageBubbleView::Init() {
129 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
130
131 views::GridLayout* layout = views::GridLayout::CreatePanel(this);
132 layout->SetInsets(kInsetTop, kInsetLeft,
133 kInsetBottomRight, kInsetBottomRight);
134 SetLayoutManager(layout);
135
136 ExtensionMessageBubbleController::Delegate* delegate =
137 controller_->delegate();
138
139 const int headline_column_set_id = 0;
140 views::ColumnSet* top_columns = layout->AddColumnSet(headline_column_set_id);
141 top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
142 0, views::GridLayout::USE_PREF, 0, 0);
143 top_columns->AddPaddingColumn(1, 0);
144 layout->StartRow(0, headline_column_set_id);
145
146 headline_ = new views::Label(delegate->GetTitle(),
147 rb.GetFontList(ui::ResourceBundle::MediumFont));
148 layout->AddView(headline_);
149
150 layout->AddPaddingRow(0, kHeadlineRowPadding);
151
152 const int text_column_set_id = 1;
153 views::ColumnSet* upper_columns = layout->AddColumnSet(text_column_set_id);
154 upper_columns->AddColumn(
155 views::GridLayout::LEADING, views::GridLayout::LEADING,
156 0, views::GridLayout::USE_PREF, 0, 0);
157 layout->StartRow(0, text_column_set_id);
158
159 views::Label* message = new views::Label();
160 message->SetMultiLine(true);
161 message->SetHorizontalAlignment(gfx::ALIGN_LEFT);
162 message->SetText(delegate->GetMessageBody(
163 anchor_view_->id() == VIEW_ID_BROWSER_ACTION));
164 message->SizeToFit(views::Widget::GetLocalizedContentsWidth(
165 IDS_EXTENSION_WIPEOUT_BUBBLE_WIDTH_CHARS));
166 layout->AddView(message);
167
168 if (delegate->ShouldShowExtensionList()) {
169 const int extension_list_column_set_id = 2;
170 views::ColumnSet* middle_columns =
171 layout->AddColumnSet(extension_list_column_set_id);
172 middle_columns->AddPaddingColumn(0, kExtensionListPadding);
173 middle_columns->AddColumn(
174 views::GridLayout::LEADING, views::GridLayout::CENTER,
175 0, views::GridLayout::USE_PREF, 0, 0);
176
177 layout->StartRowWithPadding(0, extension_list_column_set_id,
178 0, kHeadlineMessagePadding);
179 views::Label* extensions = new views::Label();
180 extensions->SetMultiLine(true);
181 extensions->SetHorizontalAlignment(gfx::ALIGN_LEFT);
182
183 std::vector<base::string16> extension_list;
184 base::char16 bullet_point = 0x2022;
185
186 std::vector<base::string16> suspicious = controller_->GetExtensionList();
187 size_t i = 0;
188 for (; i < suspicious.size() && i < kMaxExtensionsToShow; ++i) {
189 // Add each extension with bullet point.
190 extension_list.push_back(
191 bullet_point + base::ASCIIToUTF16(" ") + suspicious[i]);
192 }
193
194 if (i > kMaxExtensionsToShow) {
195 base::string16 difference = base::IntToString16(i - kMaxExtensionsToShow);
196 extension_list.push_back(bullet_point + base::ASCIIToUTF16(" ") +
197 delegate->GetOverflowText(difference));
198 }
199
200 extensions->SetText(JoinString(extension_list, base::ASCIIToUTF16("\n")));
201 extensions->SizeToFit(views::Widget::GetLocalizedContentsWidth(
202 IDS_EXTENSION_WIPEOUT_BUBBLE_WIDTH_CHARS));
203 layout->AddView(extensions);
204 }
205
206 base::string16 action_button = delegate->GetActionButtonLabel();
207
208 const int action_row_column_set_id = 3;
209 views::ColumnSet* bottom_columns =
210 layout->AddColumnSet(action_row_column_set_id);
211 bottom_columns->AddColumn(views::GridLayout::LEADING,
212 views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
213 bottom_columns->AddPaddingColumn(1, 0);
214 bottom_columns->AddColumn(views::GridLayout::TRAILING,
215 views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
216 if (!action_button.empty()) {
217 bottom_columns->AddColumn(views::GridLayout::TRAILING,
218 views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
219 }
220 layout->StartRowWithPadding(0, action_row_column_set_id,
221 0, kMessageBubblePadding);
222
223 learn_more_ = new views::Link(delegate->GetLearnMoreLabel());
224 learn_more_->set_listener(this);
225 layout->AddView(learn_more_);
226
227 if (!action_button.empty()) {
228 action_button_ = new views::LabelButton(this, action_button.c_str());
229 action_button_->SetStyle(views::Button::STYLE_BUTTON);
230 layout->AddView(action_button_);
231 }
232
233 dismiss_button_ = new views::LabelButton(this,
234 delegate->GetDismissButtonLabel());
235 dismiss_button_->SetStyle(views::Button::STYLE_BUTTON);
236 layout->AddView(dismiss_button_);
237 }
238
ButtonPressed(views::Button * sender,const ui::Event & event)239 void ExtensionMessageBubbleView::ButtonPressed(views::Button* sender,
240 const ui::Event& event) {
241 if (sender == action_button_) {
242 action_taken_ = true;
243 action_callback_.Run();
244 } else {
245 DCHECK_EQ(dismiss_button_, sender);
246 }
247 GetWidget()->Close();
248 }
249
LinkClicked(views::Link * source,int event_flags)250 void ExtensionMessageBubbleView::LinkClicked(views::Link* source,
251 int event_flags) {
252 DCHECK_EQ(learn_more_, source);
253 link_clicked_ = true;
254 link_callback_.Run();
255 GetWidget()->Close();
256 }
257
GetAccessibleState(ui::AXViewState * state)258 void ExtensionMessageBubbleView::GetAccessibleState(
259 ui::AXViewState* state) {
260 state->role = ui::AX_ROLE_ALERT;
261 }
262
ViewHierarchyChanged(const ViewHierarchyChangedDetails & details)263 void ExtensionMessageBubbleView::ViewHierarchyChanged(
264 const ViewHierarchyChangedDetails& details) {
265 if (details.is_add && details.child == this)
266 NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
267 }
268
269 ////////////////////////////////////////////////////////////////////////////////
270 // ExtensionMessageBubbleFactory
271
ExtensionMessageBubbleFactory(Profile * profile,ToolbarView * toolbar_view)272 ExtensionMessageBubbleFactory::ExtensionMessageBubbleFactory(
273 Profile* profile,
274 ToolbarView* toolbar_view)
275 : profile_(profile),
276 toolbar_view_(toolbar_view),
277 shown_suspicious_extensions_bubble_(false),
278 shown_startup_override_extensions_bubble_(false),
279 shown_proxy_override_extensions_bubble_(false),
280 shown_dev_mode_extensions_bubble_(false),
281 is_observing_(false),
282 stage_(STAGE_START),
283 container_(NULL),
284 anchor_view_(NULL) {}
285
~ExtensionMessageBubbleFactory()286 ExtensionMessageBubbleFactory::~ExtensionMessageBubbleFactory() {
287 MaybeStopObserving();
288 }
289
MaybeShow(views::View * anchor_view)290 void ExtensionMessageBubbleFactory::MaybeShow(views::View* anchor_view) {
291 #if defined(OS_WIN)
292 bool is_initial_check = IsInitialProfileCheck(profile_->GetOriginalProfile());
293 RecordProfileCheck(profile_->GetOriginalProfile());
294
295 // The list of suspicious extensions takes priority over the dev mode bubble
296 // and the settings API bubble, since that needs to be shown as soon as we
297 // disable something. The settings API bubble is shown on first startup after
298 // an extension has changed the startup pages and it is acceptable if that
299 // waits until the next startup because of the suspicious extension bubble.
300 // The dev mode bubble is not time sensitive like the other two so we'll catch
301 // the dev mode extensions on the next startup/next window that opens. That
302 // way, we're not too spammy with the bubbles.
303 if (!shown_suspicious_extensions_bubble_ &&
304 MaybeShowSuspiciousExtensionsBubble(anchor_view))
305 return;
306
307 if (!shown_startup_override_extensions_bubble_ &&
308 is_initial_check &&
309 MaybeShowStartupOverrideExtensionsBubble(anchor_view))
310 return;
311
312 if (!shown_proxy_override_extensions_bubble_ &&
313 MaybeShowProxyOverrideExtensionsBubble(anchor_view))
314 return;
315
316 if (!shown_dev_mode_extensions_bubble_)
317 MaybeShowDevModeExtensionsBubble(anchor_view);
318 #endif // OS_WIN
319 }
320
MaybeShowSuspiciousExtensionsBubble(views::View * anchor_view)321 bool ExtensionMessageBubbleFactory::MaybeShowSuspiciousExtensionsBubble(
322 views::View* anchor_view) {
323 DCHECK(!shown_suspicious_extensions_bubble_);
324
325 scoped_ptr<SuspiciousExtensionBubbleController> suspicious_extensions(
326 new SuspiciousExtensionBubbleController(profile_));
327 if (!suspicious_extensions->ShouldShow())
328 return false;
329
330 shown_suspicious_extensions_bubble_ = true;
331 SuspiciousExtensionBubbleController* weak_controller =
332 suspicious_extensions.get();
333 ExtensionMessageBubbleView* bubble_delegate = new ExtensionMessageBubbleView(
334 anchor_view,
335 views::BubbleBorder::TOP_RIGHT,
336 suspicious_extensions.PassAs<ExtensionMessageBubbleController>());
337
338 views::BubbleDelegateView::CreateBubble(bubble_delegate);
339 weak_controller->Show(bubble_delegate);
340
341 return true;
342 }
343
MaybeShowStartupOverrideExtensionsBubble(views::View * anchor_view)344 bool ExtensionMessageBubbleFactory::MaybeShowStartupOverrideExtensionsBubble(
345 views::View* anchor_view) {
346 #if !defined(OS_WIN)
347 return false;
348 #else
349 DCHECK(!shown_startup_override_extensions_bubble_);
350
351 const Extension* extension = GetExtensionOverridingStartupPages(profile_);
352 if (!extension)
353 return false;
354
355 scoped_ptr<SettingsApiBubbleController> settings_api_bubble(
356 new SettingsApiBubbleController(profile_,
357 BUBBLE_TYPE_STARTUP_PAGES));
358 if (!settings_api_bubble->ShouldShow(extension->id()))
359 return false;
360
361 shown_startup_override_extensions_bubble_ = true;
362 PrepareToHighlightExtensions(
363 settings_api_bubble.PassAs<ExtensionMessageBubbleController>(),
364 anchor_view);
365 return true;
366 #endif
367 }
368
MaybeShowProxyOverrideExtensionsBubble(views::View * anchor_view)369 bool ExtensionMessageBubbleFactory::MaybeShowProxyOverrideExtensionsBubble(
370 views::View* anchor_view) {
371 #if !defined(OS_WIN)
372 return false;
373 #else
374 DCHECK(!shown_proxy_override_extensions_bubble_);
375
376 const Extension* extension = GetExtensionOverridingProxy(profile_);
377 if (!extension)
378 return false;
379
380 scoped_ptr<ProxyOverriddenBubbleController> proxy_bubble(
381 new ProxyOverriddenBubbleController(profile_));
382 if (!proxy_bubble->ShouldShow(extension->id()))
383 return false;
384
385 shown_proxy_override_extensions_bubble_ = true;
386 PrepareToHighlightExtensions(
387 proxy_bubble.PassAs<ExtensionMessageBubbleController>(), anchor_view);
388 return true;
389 #endif
390 }
391
MaybeShowDevModeExtensionsBubble(views::View * anchor_view)392 bool ExtensionMessageBubbleFactory::MaybeShowDevModeExtensionsBubble(
393 views::View* anchor_view) {
394 DCHECK(!shown_dev_mode_extensions_bubble_);
395
396 // Check the Developer Mode extensions.
397 scoped_ptr<DevModeBubbleController> dev_mode_extensions(
398 new DevModeBubbleController(profile_));
399
400 // Return early if we have none to show.
401 if (!dev_mode_extensions->ShouldShow())
402 return false;
403
404 shown_dev_mode_extensions_bubble_ = true;
405 PrepareToHighlightExtensions(
406 dev_mode_extensions.PassAs<ExtensionMessageBubbleController>(),
407 anchor_view);
408 return true;
409 }
410
MaybeObserve()411 void ExtensionMessageBubbleFactory::MaybeObserve() {
412 if (!is_observing_) {
413 is_observing_ = true;
414 container_->AddObserver(this);
415 }
416 }
417
MaybeStopObserving()418 void ExtensionMessageBubbleFactory::MaybeStopObserving() {
419 if (is_observing_) {
420 is_observing_ = false;
421 container_->RemoveObserver(this);
422 }
423 }
424
RecordProfileCheck(Profile * profile)425 void ExtensionMessageBubbleFactory::RecordProfileCheck(Profile* profile) {
426 g_profiles_evaluated.Get().insert(profile);
427 }
428
IsInitialProfileCheck(Profile * profile)429 bool ExtensionMessageBubbleFactory::IsInitialProfileCheck(Profile* profile) {
430 return g_profiles_evaluated.Get().count(profile) == 0;
431 }
432
OnBrowserActionsContainerAnimationEnded()433 void ExtensionMessageBubbleFactory::OnBrowserActionsContainerAnimationEnded() {
434 MaybeStopObserving();
435 if (stage_ == STAGE_START) {
436 HighlightExtensions();
437 } else if (stage_ == STAGE_HIGHLIGHTED) {
438 ShowHighlightingBubble();
439 } else { // We shouldn't be observing if we've completed the process.
440 NOTREACHED();
441 Finish();
442 }
443 }
444
OnBrowserActionsContainerDestroyed()445 void ExtensionMessageBubbleFactory::OnBrowserActionsContainerDestroyed() {
446 // If the container associated with the bubble is destroyed, abandon the
447 // process.
448 Finish();
449 }
450
PrepareToHighlightExtensions(scoped_ptr<ExtensionMessageBubbleController> controller,views::View * anchor_view)451 void ExtensionMessageBubbleFactory::PrepareToHighlightExtensions(
452 scoped_ptr<ExtensionMessageBubbleController> controller,
453 views::View* anchor_view) {
454 // We should be in the start stage (i.e., should not have a pending attempt to
455 // show a bubble).
456 DCHECK_EQ(stage_, STAGE_START);
457
458 // Prepare to display and highlight the extensions before showing the bubble.
459 // Since this is an asynchronous process, set member variables for later use.
460 controller_ = controller.Pass();
461 anchor_view_ = anchor_view;
462 container_ = toolbar_view_->browser_actions();
463
464 if (container_->animating())
465 MaybeObserve();
466 else
467 HighlightExtensions();
468 }
469
HighlightExtensions()470 void ExtensionMessageBubbleFactory::HighlightExtensions() {
471 DCHECK_EQ(STAGE_START, stage_);
472 stage_ = STAGE_HIGHLIGHTED;
473
474 const ExtensionIdList extension_list = controller_->GetExtensionIdList();
475 DCHECK(!extension_list.empty());
476 ExtensionToolbarModel::Get(profile_)->HighlightExtensions(extension_list);
477 if (container_->animating())
478 MaybeObserve();
479 else
480 ShowHighlightingBubble();
481 }
482
ShowHighlightingBubble()483 void ExtensionMessageBubbleFactory::ShowHighlightingBubble() {
484 DCHECK_EQ(stage_, STAGE_HIGHLIGHTED);
485 stage_ = STAGE_COMPLETE;
486
487 views::View* reference_view = NULL;
488 if (container_->num_browser_actions() > 0)
489 reference_view = container_->GetBrowserActionViewAt(0);
490 if (reference_view && reference_view->visible())
491 anchor_view_ = reference_view;
492
493 ExtensionMessageBubbleController* weak_controller = controller_.get();
494 ExtensionMessageBubbleView* bubble_delegate =
495 new ExtensionMessageBubbleView(
496 anchor_view_,
497 views::BubbleBorder::TOP_RIGHT,
498 scoped_ptr<ExtensionMessageBubbleController>(
499 controller_.release()));
500 views::BubbleDelegateView::CreateBubble(bubble_delegate);
501 weak_controller->Show(bubble_delegate);
502
503 Finish();
504 }
505
Finish()506 void ExtensionMessageBubbleFactory::Finish() {
507 MaybeStopObserving();
508 controller_.reset();
509 anchor_view_ = NULL;
510 container_ = NULL;
511 }
512
513 } // namespace extensions
514