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);
+  }
+  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.
+  }
+  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