Revert of Resubmit: Refactor external_install_ui

chrome/browser/extensions/external_install_error.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/extensions/external_install_error.h"
-
-#include "base/bind.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/app/chrome_command_ids.h"
-#include "chrome/browser/extensions/extension_install_ui.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/external_install_manager.h"
-#include "chrome/browser/extensions/webstore_data_fetcher.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_finder.h"
-#include "chrome/browser/ui/global_error/global_error.h"
-#include "chrome/browser/ui/global_error/global_error_service.h"
-#include "chrome/browser/ui/global_error/global_error_service_factory.h"
-#include "extensions/browser/extension_registry.h"
-#include "extensions/browser/extension_system.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/extension.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/image/image_skia_operations.h"
-
-namespace extensions {
-
-namespace {
-
-// Return the menu label for a global error.
-base::string16 GetMenuItemLabel(const Extension* extension) {
-  if (!extension)
-    return base::string16();
-
-  int id = -1;
-  if (extension->is_app())
-    id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_APP;
-  else if (extension->is_theme())
-    id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_THEME;
-  else
-    id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_EXTENSION;
-
-  return l10n_util::GetStringFUTF16(id, base::UTF8ToUTF16(extension->name()));
-}
-
-// A global error that spawns a dialog when the menu item is clicked.
-class ExternalInstallMenuAlert : public GlobalError {
- public:
-  explicit ExternalInstallMenuAlert(ExternalInstallError* error);
-  virtual ~ExternalInstallMenuAlert();
-
- private:
-  // GlobalError implementation.
-  virtual Severity GetSeverity() OVERRIDE;
-  virtual bool HasMenuItem() OVERRIDE;
-  virtual int MenuItemCommandID() OVERRIDE;
-  virtual base::string16 MenuItemLabel() OVERRIDE;
-  virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
-  virtual bool HasBubbleView() OVERRIDE;
-  virtual bool HasShownBubbleView() OVERRIDE;
-  virtual void ShowBubbleView(Browser* browser) OVERRIDE;
-  virtual GlobalErrorBubbleViewBase* GetBubbleView() OVERRIDE;
-
-  // The owning ExternalInstallError.
-  ExternalInstallError* error_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExternalInstallMenuAlert);
-};
-
-// A global error that spawns a bubble when the menu item is clicked.
-class ExternalInstallBubbleAlert : public GlobalErrorWithStandardBubble {
- public:
-  explicit ExternalInstallBubbleAlert(ExternalInstallError* error,
-                                      ExtensionInstallPrompt::Prompt* prompt);
-  virtual ~ExternalInstallBubbleAlert();
-
- private:
-  // GlobalError implementation.
-  virtual Severity GetSeverity() OVERRIDE;
-  virtual bool HasMenuItem() OVERRIDE;
-  virtual int MenuItemCommandID() OVERRIDE;
-  virtual base::string16 MenuItemLabel() OVERRIDE;
-  virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
-
-  // GlobalErrorWithStandardBubble implementation.
-  virtual gfx::Image GetBubbleViewIcon() OVERRIDE;
-  virtual base::string16 GetBubbleViewTitle() OVERRIDE;
-  virtual std::vector<base::string16> GetBubbleViewMessages() OVERRIDE;
-  virtual base::string16 GetBubbleViewAcceptButtonLabel() OVERRIDE;
-  virtual base::string16 GetBubbleViewCancelButtonLabel() OVERRIDE;
-  virtual void OnBubbleViewDidClose(Browser* browser) OVERRIDE;
-  virtual void BubbleViewAcceptButtonPressed(Browser* browser) OVERRIDE;
-  virtual void BubbleViewCancelButtonPressed(Browser* browser) OVERRIDE;
-
-  // The owning ExternalInstallError.
-  ExternalInstallError* error_;
-
-  // The Prompt with all information, which we then use to populate the bubble.
-  ExtensionInstallPrompt::Prompt* prompt_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExternalInstallBubbleAlert);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// ExternalInstallMenuAlert
-
-ExternalInstallMenuAlert::ExternalInstallMenuAlert(ExternalInstallError* error)
-    : error_(error) {
-}
-
-ExternalInstallMenuAlert::~ExternalInstallMenuAlert() {
-}
-
-GlobalError::Severity ExternalInstallMenuAlert::GetSeverity() {
-  return SEVERITY_LOW;
-}
-
-bool ExternalInstallMenuAlert::HasMenuItem() {
-  return true;
-}
-
-int ExternalInstallMenuAlert::MenuItemCommandID() {
-  return IDC_EXTERNAL_EXTENSION_ALERT;
-}
-
-base::string16 ExternalInstallMenuAlert::MenuItemLabel() {
-  return GetMenuItemLabel(error_->GetExtension());
-}
-
-void ExternalInstallMenuAlert::ExecuteMenuItem(Browser* browser) {
-  error_->ShowDialog();
-}
-
-bool ExternalInstallMenuAlert::HasBubbleView() {
-  return false;
-}
-
-bool ExternalInstallMenuAlert::HasShownBubbleView() {
-  NOTREACHED();
-  return true;
-}
-
-void ExternalInstallMenuAlert::ShowBubbleView(Browser* browser) {
-  NOTREACHED();
-}
-
-GlobalErrorBubbleViewBase* ExternalInstallMenuAlert::GetBubbleView() {
-  return NULL;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ExternalInstallBubbleAlert
-
-ExternalInstallBubbleAlert::ExternalInstallBubbleAlert(
-    ExternalInstallError* error,
-    ExtensionInstallPrompt::Prompt* prompt)
-    : error_(error),
-      prompt_(prompt) {
-  DCHECK(error_);
-  DCHECK(prompt_);
-}
-
-ExternalInstallBubbleAlert::~ExternalInstallBubbleAlert() {
-}
-
-GlobalError::Severity ExternalInstallBubbleAlert::GetSeverity() {
-  return SEVERITY_LOW;
-}
-
-bool ExternalInstallBubbleAlert::HasMenuItem() {
-  return true;
-}
-
-int ExternalInstallBubbleAlert::MenuItemCommandID() {
-  return IDC_EXTERNAL_EXTENSION_ALERT;
-}
-
-base::string16 ExternalInstallBubbleAlert::MenuItemLabel() {
-  return GetMenuItemLabel(error_->GetExtension());
-}
-
-void ExternalInstallBubbleAlert::ExecuteMenuItem(Browser* browser) {
-  ShowBubbleView(browser);
-}
-
-gfx::Image ExternalInstallBubbleAlert::GetBubbleViewIcon() {
-  if (prompt_->icon().IsEmpty())
-    return GlobalErrorWithStandardBubble::GetBubbleViewIcon();
-  // Scale icon to a reasonable size.
-  return gfx::Image(gfx::ImageSkiaOperations::CreateResizedImage(
-      *prompt_->icon().ToImageSkia(),
-      skia::ImageOperations::RESIZE_BEST,
-      gfx::Size(extension_misc::EXTENSION_ICON_SMALL,
-                extension_misc::EXTENSION_ICON_SMALL)));
-}
-
-base::string16 ExternalInstallBubbleAlert::GetBubbleViewTitle() {
-  return prompt_->GetDialogTitle();
-}
-
-std::vector<base::string16>
-ExternalInstallBubbleAlert::GetBubbleViewMessages() {
-  std::vector<base::string16> messages;
-  messages.push_back(prompt_->GetHeading());
-  if (prompt_->GetPermissionCount()) {
-    messages.push_back(prompt_->GetPermissionsHeading());
-    for (size_t i = 0; i < prompt_->GetPermissionCount(); ++i) {
-      messages.push_back(l10n_util::GetStringFUTF16(
-          IDS_EXTENSION_PERMISSION_LINE, prompt_->GetPermission(i)));
-    }
-  }
-  // TODO(yoz): OAuth issue advice?
-  return messages;
-}
-
-base::string16 ExternalInstallBubbleAlert::GetBubbleViewAcceptButtonLabel() {
-  return prompt_->GetAcceptButtonLabel();
-}
-
-base::string16 ExternalInstallBubbleAlert::GetBubbleViewCancelButtonLabel() {
-  return prompt_->GetAbortButtonLabel();
-}
-
-void ExternalInstallBubbleAlert::OnBubbleViewDidClose(Browser* browser) {
-}
-
-void ExternalInstallBubbleAlert::BubbleViewAcceptButtonPressed(
-    Browser* browser) {
-  error_->InstallUIProceed();
-}
-
-void ExternalInstallBubbleAlert::BubbleViewCancelButtonPressed(
-    Browser* browser) {
-  error_->InstallUIAbort(true);
-}
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// ExternalInstallError
-
-ExternalInstallError::ExternalInstallError(
-    content::BrowserContext* browser_context,
-    const std::string& extension_id,
-    AlertType alert_type,
-    ExternalInstallManager* manager)
-    : browser_context_(browser_context),
-      extension_id_(extension_id),
-      alert_type_(alert_type),
-      manager_(manager),
-      error_service_(GlobalErrorServiceFactory::GetForProfile(
-          Profile::FromBrowserContext(browser_context_))),
-      browser_(NULL),
-      weak_factory_(this) {
-#if !defined(OS_ANDROID)
-  browser_ =
-      chrome::FindTabbedBrowser(Profile::FromBrowserContext(browser_context_),
-                                true,
-                                chrome::GetActiveDesktop());
-#endif
-
-  prompt_.reset(new ExtensionInstallPrompt::Prompt(
-      ExtensionInstallPrompt::EXTERNAL_INSTALL_PROMPT));
-
-  webstore_data_fetcher_.reset(new WebstoreDataFetcher(
-      this, browser_context_->GetRequestContext(), GURL(), extension_id_));
-  webstore_data_fetcher_->Start();
-}
-
-ExternalInstallError::~ExternalInstallError() {
-  if (global_error_.get())
-    error_service_->RemoveGlobalError(global_error_.get());
-}
-
-void ExternalInstallError::InstallUIProceed() {
-  const Extension* extension = GetExtension();
-  if (extension) {
-    ExtensionSystem::Get(browser_context_)
-        ->extension_service()
-        ->GrantPermissionsAndEnableExtension(extension);
-    // Since the manager listens for the extension to be loaded, this will
-    // remove the error...
-  } else {
-    // ... Otherwise we have to do it explicitly.
-    manager_->RemoveExternalInstallError();
-  }
-}
-
-void ExternalInstallError::InstallUIAbort(bool user_initiated) {
-  if (user_initiated && GetExtension()) {
-    ExtensionSystem::Get(browser_context_)
-        ->extension_service()
-        ->UninstallExtension(extension_id_,
-                             false,  // Not externally uninstalled.
-                             NULL);  // Ignore error.
-    // Since the manager listens for the extension to be removed, this will
-    // remove the error...
-  } else {
-    // ... Otherwise we have to do it explicitly.
-    manager_->RemoveExternalInstallError();
-  }
-}
-
-void ExternalInstallError::AcknowledgeExtension() {
-  const Extension* extension = GetExtension();
-  if (extension) {
-    ExtensionSystem::Get(browser_context_)
-        ->extension_service()
-        ->AcknowledgeExternalExtension(extension->id());
-  }
-}
-
-void ExternalInstallError::ShowDialog() {
-  DCHECK(install_ui_.get());
-  DCHECK(prompt_.get());
-  DCHECK(show_params_.get());
-  ExtensionInstallPrompt::GetDefaultShowDialogCallback().Run(
-      *show_params_, this, *prompt_);
-}
-
-const Extension* ExternalInstallError::GetExtension() const {
-  return ExtensionRegistry::Get(browser_context_)
-      ->GetExtensionById(extension_id_, ExtensionRegistry::EVERYTHING);
-}
-
-void ExternalInstallError::OnWebstoreRequestFailure() {
-  OnFetchComplete();
-}
-
-void ExternalInstallError::OnWebstoreResponseParseSuccess(
-    scoped_ptr<base::DictionaryValue> webstore_data) {
-  std::string localized_user_count;
-  double average_rating;
-  int rating_count;
-  if (!webstore_data->GetString(kUsersKey, &localized_user_count) ||
-      !webstore_data->GetDouble(kAverageRatingKey, &average_rating) ||
-      !webstore_data->GetInteger(kRatingCountKey, &rating_count)) {
-    // If we don't get a valid webstore response, short circuit, and continue
-    // to show a prompt without webstore data.
-    OnFetchComplete();
-    return;
-  }
-
-  bool show_user_count = true;
-  webstore_data->GetBoolean(kShowUserCountKey, &show_user_count);
-
-  prompt_->SetWebstoreData(
-      localized_user_count, show_user_count, average_rating, rating_count);
-  OnFetchComplete();
-}
-
-void ExternalInstallError::OnWebstoreResponseParseFailure(
-    const std::string& error) {
-  OnFetchComplete();
-}
-
-void ExternalInstallError::OnFetchComplete() {
-  install_ui_.reset(
-      ExtensionInstallUI::CreateInstallPromptWithBrowser(browser_));
-
-  install_ui_->ConfirmExternalInstall(
-      this,
-      GetExtension(),
-      base::Bind(&ExternalInstallError::OnDialogReady,
-                 weak_factory_.GetWeakPtr()),
-      *prompt_);
-}
-
-void ExternalInstallError::OnDialogReady(
-    const ExtensionInstallPrompt::ShowParams& show_params,
-    ExtensionInstallPrompt::Delegate* prompt_delegate,
-    const ExtensionInstallPrompt::Prompt& prompt) {
-  DCHECK_EQ(this, prompt_delegate);
-  show_params_.reset(new ExtensionInstallPrompt::ShowParams(show_params));
-  prompt_.reset(new ExtensionInstallPrompt::Prompt(prompt));
-
-  if (alert_type_ == BUBBLE_ALERT) {
-    global_error_.reset(new ExternalInstallBubbleAlert(this, prompt_.get()));
-    error_service_->AddGlobalError(global_error_.get());
-    if (browser_)
-      global_error_->ShowBubbleView(browser_);
-  } else {
-    DCHECK(alert_type_ == MENU_ALERT);
-    global_error_.reset(new ExternalInstallMenuAlert(this));
-    error_service_->AddGlobalError(global_error_.get());
-  }
-}
-
-}  // namespace extensions