chrome/browser/extensions/extension_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/extension_warning_badge_service.h"
   6
   7 #include "base/stl_util.h"
   8 #include "chrome/app/chrome_command_ids.h"
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "chrome/browser/ui/browser_commands.h"
  11 #include "chrome/browser/ui/global_error/global_error.h"
  12 #include "chrome/browser/ui/global_error/global_error_service.h"
  13 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
  14 #include "extensions/browser/extension_system.h"
  15 #include "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(ExtensionWarningBadgeService* badge_service);
  27   virtual ~ErrorBadge();
  28
  29   // Implementation for GlobalError:
  30   virtual bool HasMenuItem() OVERRIDE;
  31   virtual int MenuItemCommandID() OVERRIDE;
  32   virtual base::string16 MenuItemLabel() OVERRIDE;
  33   virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
  34
  35   virtual bool HasBubbleView() OVERRIDE;
  36   virtual bool HasShownBubbleView() OVERRIDE;
  37   virtual void ShowBubbleView(Browser* browser) OVERRIDE;
  38   virtual GlobalErrorBubbleViewBase* GetBubbleView() OVERRIDE;
  39
  40   static int GetMenuItemCommandID();
  41
  42  private:
  43   ExtensionWarningBadgeService* badge_service_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(ErrorBadge);
  46 };
  47
  48 ErrorBadge::ErrorBadge(ExtensionWarningBadgeService* badge_service)
  49     : badge_service_(badge_service) {}
  50
  51 ErrorBadge::~ErrorBadge() {}
  52
  53 bool ErrorBadge::HasMenuItem() {
  54   return true;
  55 }
  56
  57 int ErrorBadge::MenuItemCommandID() {
  58   return GetMenuItemCommandID();
  59 }
  60
  61 base::string16 ErrorBadge::MenuItemLabel() {
  62   return l10n_util::GetStringUTF16(IDS_EXTENSION_WARNINGS_WRENCH_MENU_ITEM);
  63 }
  64
  65 void ErrorBadge::ExecuteMenuItem(Browser* browser) {
  66   // Suppress all current warnings in the extension service from triggering
  67   // a badge on the wrench menu in the future of this session.
  68   badge_service_->SuppressCurrentWarnings();
  69
  70   chrome::ExecuteCommand(browser, IDC_MANAGE_EXTENSIONS);
  71 }
  72
  73 bool ErrorBadge::HasBubbleView() { return false; }
  74
  75 bool ErrorBadge::HasShownBubbleView() { return false; }
  76
  77 void ErrorBadge::ShowBubbleView(Browser* browser) { NOTREACHED(); }
  78
  79 GlobalErrorBubbleViewBase* ErrorBadge::GetBubbleView() {
  80   return NULL;
  81 }
  82
  83 // static
  84 int ErrorBadge::GetMenuItemCommandID() {
  85   return IDC_EXTENSION_ERRORS;
  86 }
  87
  88 }  // namespace
  89
  90
  91 ExtensionWarningBadgeService::ExtensionWarningBadgeService(Profile* profile)
  92     : profile_(profile) {
  93   DCHECK(CalledOnValidThread());
  94 }
  95
  96 ExtensionWarningBadgeService::~ExtensionWarningBadgeService() {}
  97
  98 void ExtensionWarningBadgeService::SuppressCurrentWarnings() {
  99   DCHECK(CalledOnValidThread());
 100   size_t old_size = suppressed_warnings_.size();
 101
 102   const ExtensionWarningSet& warnings = GetCurrentWarnings();
 103   suppressed_warnings_.insert(warnings.begin(), warnings.end());
 104
 105   if (old_size != suppressed_warnings_.size())
 106     UpdateBadgeStatus();
 107 }
 108
 109 const ExtensionWarningSet&
 110 ExtensionWarningBadgeService::GetCurrentWarnings() const {
 111   return ExtensionSystem::Get(profile_)->warning_service()->warnings();
 112 }
 113
 114 void ExtensionWarningBadgeService::ExtensionWarningsChanged() {
 115   DCHECK(CalledOnValidThread());
 116   UpdateBadgeStatus();
 117 }
 118
 119 void ExtensionWarningBadgeService::UpdateBadgeStatus() {
 120   const std::set<ExtensionWarning>& warnings = GetCurrentWarnings();
 121   bool non_suppressed_warnings_exist = false;
 122   for (std::set<ExtensionWarning>::const_iterator i = warnings.begin();
 123        i != warnings.end(); ++i) {
 124     if (!ContainsKey(suppressed_warnings_, *i)) {
 125       non_suppressed_warnings_exist = true;
 126       break;
 127     }
 128   }
 129   ShowBadge(non_suppressed_warnings_exist);
 130 }
 131
 132 void ExtensionWarningBadgeService::ShowBadge(bool show) {
 133   GlobalErrorService* service =
 134       GlobalErrorServiceFactory::GetForProfile(profile_);
 135   GlobalError* error = service->GetGlobalErrorByMenuItemCommandID(
 136       ErrorBadge::GetMenuItemCommandID());
 137
 138   // Activate or hide the warning badge in case the current state is incorrect.
 139   if (error && !show) {
 140     service->RemoveGlobalError(error);
 141     delete error;
 142   } else if (!error && show) {
 143     service->AddGlobalError(new ErrorBadge(this));
 144   }
 145 }
 146
 147 }  // namespace extensions