chrome/browser/extensions/warning_badge_service.cc

   1 // Copyright (c) 2012 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/extensions/warning_badge_service.h"
   6
   7 #include "base/stl_util.h"
   8 #include "chrome/app/chrome_command_ids.h"
   9 #include "chrome/browser/extensions/warning_badge_service_factory.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/ui/browser_commands.h"
  12 #include "chrome/browser/ui/global_error/global_error.h"
  13 #include "chrome/browser/ui/global_error/global_error_service.h"
  14 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
  15 #include "chrome/grit/generated_resources.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17
  18 namespace extensions {
  19
  20 namespace {
  21 // Non-modal GlobalError implementation that warns the user if extensions
  22 // created warnings or errors. If the user clicks on the wrench menu, the user
  23 // is redirected to chrome://extensions to inspect the errors.
  24 class ErrorBadge : public GlobalError {
  25  public:
  26   explicit ErrorBadge(WarningBadgeService* badge_service);
  27   ~ErrorBadge() override;
  28
  29   // Implementation for GlobalError:
  30   bool HasMenuItem() override;
  31   int MenuItemCommandID() override;
  32   base::string16 MenuItemLabel() override;
  33   void ExecuteMenuItem(Browser* browser) override;
  34
  35   bool HasBubbleView() override;
  36   bool HasShownBubbleView() override;
  37   void ShowBubbleView(Browser* browser) override;
  38   GlobalErrorBubbleViewBase* GetBubbleView() override;
  39
  40   static int GetMenuItemCommandID();
  41
  42  private:
  43   WarningBadgeService* badge_service_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(ErrorBadge);
  46 };
  47
  48 ErrorBadge::ErrorBadge(WarningBadgeService* badge_service)
  49     : badge_service_(badge_service) {
  50 }
  51
  52 ErrorBadge::~ErrorBadge() {
  53 }
  54
  55 bool ErrorBadge::HasMenuItem() {
  56   return true;
  57 }
  58
  59 int ErrorBadge::MenuItemCommandID() {
  60   return GetMenuItemCommandID();
  61 }
  62
  63 base::string16 ErrorBadge::MenuItemLabel() {
  64   return l10n_util::GetStringUTF16(IDS_EXTENSION_WARNINGS_WRENCH_MENU_ITEM);
  65 }
  66
  67 void ErrorBadge::ExecuteMenuItem(Browser* browser) {
  68   // Suppress all current warnings in the extension service from triggering
  69   // a badge on the wrench menu in the future of this session.
  70   badge_service_->SuppressCurrentWarnings();
  71
  72   chrome::ExecuteCommand(browser, IDC_MANAGE_EXTENSIONS);
  73 }
  74
  75 bool ErrorBadge::HasBubbleView() {
  76   return false;
  77 }
  78
  79 bool ErrorBadge::HasShownBubbleView() {
  80   return false;
  81 }
  82
  83 void ErrorBadge::ShowBubbleView(Browser* browser) {
  84   NOTREACHED();
  85 }
  86
  87 GlobalErrorBubbleViewBase* ErrorBadge::GetBubbleView() {
  88   return NULL;
  89 }
  90
  91 // static
  92 int ErrorBadge::GetMenuItemCommandID() {
  93   return IDC_EXTENSION_ERRORS;
  94 }
  95
  96 }  // namespace
  97
  98 WarningBadgeService::WarningBadgeService(Profile* profile)
  99     : profile_(profile), warning_service_observer_(this) {
 100   DCHECK(CalledOnValidThread());
 101   warning_service_observer_.Add(WarningService::Get(profile_));
 102 }
 103
 104 WarningBadgeService::~WarningBadgeService() {
 105 }
 106
 107 // static
 108 WarningBadgeService* WarningBadgeService::Get(
 109     content::BrowserContext* context) {
 110   return WarningBadgeServiceFactory::GetForBrowserContext(context);
 111 }
 112
 113 void WarningBadgeService::SuppressCurrentWarnings() {
 114   DCHECK(CalledOnValidThread());
 115   size_t old_size = suppressed_warnings_.size();
 116
 117   const WarningSet& warnings = GetCurrentWarnings();
 118   suppressed_warnings_.insert(warnings.begin(), warnings.end());
 119
 120   if (old_size != suppressed_warnings_.size())
 121     UpdateBadgeStatus();
 122 }
 123
 124 const WarningSet& WarningBadgeService::GetCurrentWarnings() const {
 125   return WarningService::Get(profile_)->warnings();
 126 }
 127
 128 void WarningBadgeService::ExtensionWarningsChanged() {
 129   DCHECK(CalledOnValidThread());
 130   UpdateBadgeStatus();
 131 }
 132
 133 void WarningBadgeService::UpdateBadgeStatus() {
 134   const std::set<Warning>& warnings = GetCurrentWarnings();
 135   bool non_suppressed_warnings_exist = false;
 136   for (std::set<Warning>::const_iterator i = warnings.begin();
 137        i != warnings.end(); ++i) {
 138     if (!ContainsKey(suppressed_warnings_, *i)) {
 139       non_suppressed_warnings_exist = true;
 140       break;
 141     }
 142   }
 143   ShowBadge(non_suppressed_warnings_exist);
 144 }
 145
 146 void WarningBadgeService::ShowBadge(bool show) {
 147   GlobalErrorService* service =
 148       GlobalErrorServiceFactory::GetForProfile(profile_);
 149   GlobalError* error = service->GetGlobalErrorByMenuItemCommandID(
 150       ErrorBadge::GetMenuItemCommandID());
 151
 152   // Activate or hide the warning badge in case the current state is incorrect.
 153   if (error && !show) {
 154     service->RemoveGlobalError(error);
 155     delete error;
 156   } else if (!error && show) {
 157     service->AddGlobalError(new ErrorBadge(this));
 158   }
 159 }
 160
 161 }  // namespace extensions