src/chrome/browser/ui/views/extensions/extension_message_bubble_view.cc

   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 "chrome/grit/locale_settings.h"
  25 #include "extensions/browser/extension_prefs.h"
  26 #include "extensions/browser/extension_system.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
  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       controller_(controller.Pass()),
  66       anchor_view_(anchor_view),
  67       headline_(NULL),
  68       learn_more_(NULL),
  69       dismiss_button_(NULL),
  70       link_clicked_(false),
  71       action_taken_(false),
  72       weak_factory_(this) {
  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
  81 void ExtensionMessageBubbleView::OnActionButtonClicked(
  82     const base::Closure& callback) {
  83   action_callback_ = callback;
  84 }
  85
  86 void ExtensionMessageBubbleView::OnDismissButtonClicked(
  87     const base::Closure& callback) {
  88   dismiss_callback_ = callback;
  89 }
  90
  91 void ExtensionMessageBubbleView::OnLinkClicked(
  92     const base::Closure& callback) {
  93   link_callback_ = callback;
  94 }
  95
  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
 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
 122 ExtensionMessageBubbleView::~ExtensionMessageBubbleView() {}
 123
 124 void ExtensionMessageBubbleView::ShowBubble() {
 125   GetWidget()->Show();
 126 }
 127
 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
 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
 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
 258 void ExtensionMessageBubbleView::GetAccessibleState(
 259     ui::AXViewState* state) {
 260   state->role = ui::AX_ROLE_ALERT;
 261 }
 262
 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
 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
 286 ExtensionMessageBubbleFactory::~ExtensionMessageBubbleFactory() {
 287   MaybeStopObserving();
 288 }
 289
 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
 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 =
 334       new ExtensionMessageBubbleView(anchor_view,
 335                                      views::BubbleBorder::TOP_RIGHT,
 336                                      suspicious_extensions.Pass());
 337
 338   views::BubbleDelegateView::CreateBubble(bubble_delegate);
 339   weak_controller->Show(bubble_delegate);
 340
 341   return true;
 342 }
 343
 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(settings_api_bubble.Pass(), anchor_view);
 363   return true;
 364 #endif
 365 }
 366
 367 bool ExtensionMessageBubbleFactory::MaybeShowProxyOverrideExtensionsBubble(
 368     views::View* anchor_view) {
 369 #if !defined(OS_WIN)
 370   return false;
 371 #else
 372   DCHECK(!shown_proxy_override_extensions_bubble_);
 373
 374   const Extension* extension = GetExtensionOverridingProxy(profile_);
 375   if (!extension)
 376     return false;
 377
 378   scoped_ptr<ProxyOverriddenBubbleController> proxy_bubble(
 379       new ProxyOverriddenBubbleController(profile_));
 380   if (!proxy_bubble->ShouldShow(extension->id()))
 381     return false;
 382
 383   shown_proxy_override_extensions_bubble_ = true;
 384   PrepareToHighlightExtensions(proxy_bubble.Pass(), anchor_view);
 385   return true;
 386 #endif
 387 }
 388
 389 bool ExtensionMessageBubbleFactory::MaybeShowDevModeExtensionsBubble(
 390     views::View* anchor_view) {
 391   DCHECK(!shown_dev_mode_extensions_bubble_);
 392
 393   // Check the Developer Mode extensions.
 394   scoped_ptr<DevModeBubbleController> dev_mode_extensions(
 395       new DevModeBubbleController(profile_));
 396
 397   // Return early if we have none to show.
 398   if (!dev_mode_extensions->ShouldShow())
 399     return false;
 400
 401   shown_dev_mode_extensions_bubble_ = true;
 402   PrepareToHighlightExtensions(dev_mode_extensions.Pass(), anchor_view);
 403   return true;
 404 }
 405
 406 void ExtensionMessageBubbleFactory::MaybeObserve() {
 407   if (!is_observing_) {
 408     is_observing_ = true;
 409     container_->AddObserver(this);
 410   }
 411 }
 412
 413 void ExtensionMessageBubbleFactory::MaybeStopObserving() {
 414   if (is_observing_) {
 415     is_observing_ = false;
 416     container_->RemoveObserver(this);
 417   }
 418 }
 419
 420 void ExtensionMessageBubbleFactory::RecordProfileCheck(Profile* profile) {
 421   g_profiles_evaluated.Get().insert(profile);
 422 }
 423
 424 bool ExtensionMessageBubbleFactory::IsInitialProfileCheck(Profile* profile) {
 425   return g_profiles_evaluated.Get().count(profile) == 0;
 426 }
 427
 428 void ExtensionMessageBubbleFactory::OnBrowserActionsContainerAnimationEnded() {
 429   MaybeStopObserving();
 430   if (stage_ == STAGE_START) {
 431     HighlightExtensions();
 432   } else if (stage_ == STAGE_HIGHLIGHTED) {
 433     ShowHighlightingBubble();
 434   } else {  // We shouldn't be observing if we've completed the process.
 435     NOTREACHED();
 436     Finish();
 437   }
 438 }
 439
 440 void ExtensionMessageBubbleFactory::OnBrowserActionsContainerDestroyed() {
 441   // If the container associated with the bubble is destroyed, abandon the
 442   // process.
 443   Finish();
 444 }
 445
 446 void ExtensionMessageBubbleFactory::PrepareToHighlightExtensions(
 447     scoped_ptr<ExtensionMessageBubbleController> controller,
 448     views::View* anchor_view) {
 449   // We should be in the start stage (i.e., should not have a pending attempt to
 450   // show a bubble).
 451   DCHECK_EQ(stage_, STAGE_START);
 452
 453   // Prepare to display and highlight the extensions before showing the bubble.
 454   // Since this is an asynchronous process, set member variables for later use.
 455   controller_ = controller.Pass();
 456   anchor_view_ = anchor_view;
 457   container_ = toolbar_view_->browser_actions();
 458
 459   if (container_->animating())
 460     MaybeObserve();
 461   else
 462     HighlightExtensions();
 463 }
 464
 465 void ExtensionMessageBubbleFactory::HighlightExtensions() {
 466   DCHECK_EQ(STAGE_START, stage_);
 467   stage_ = STAGE_HIGHLIGHTED;
 468
 469   const ExtensionIdList extension_list = controller_->GetExtensionIdList();
 470   DCHECK(!extension_list.empty());
 471   ExtensionToolbarModel::Get(profile_)->HighlightExtensions(extension_list);
 472   if (container_->animating())
 473     MaybeObserve();
 474   else
 475     ShowHighlightingBubble();
 476 }
 477
 478 void ExtensionMessageBubbleFactory::ShowHighlightingBubble() {
 479   DCHECK_EQ(stage_, STAGE_HIGHLIGHTED);
 480   stage_ = STAGE_COMPLETE;
 481
 482   views::View* reference_view = NULL;
 483   if (container_->num_toolbar_actions() > 0u)
 484     reference_view = container_->GetToolbarActionViewAt(0);
 485   if (reference_view && reference_view->visible())
 486     anchor_view_ = reference_view;
 487
 488   ExtensionMessageBubbleController* weak_controller = controller_.get();
 489   ExtensionMessageBubbleView* bubble_delegate =
 490       new ExtensionMessageBubbleView(
 491           anchor_view_,
 492           views::BubbleBorder::TOP_RIGHT,
 493           scoped_ptr<ExtensionMessageBubbleController>(
 494               controller_.release()));
 495   views::BubbleDelegateView::CreateBubble(bubble_delegate);
 496   weak_controller->Show(bubble_delegate);
 497
 498   Finish();
 499 }
 500
 501 void ExtensionMessageBubbleFactory::Finish() {
 502   MaybeStopObserving();
 503   controller_.reset();
 504   anchor_view_ = NULL;
 505   container_ = NULL;
 506 }
 507
 508 }  // namespace extensions