Page zoom improvements

chrome/browser/ui/webui/options/advanced_options_handler.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_ADVANCED_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_ADVANCED_OPTIONS_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_setup_handler.h"
@@ skipping 30 matching lines @@
 
   // SelectFileDialog::Listener implementation
   virtual void FileSelected(const FilePath& path,
                             int index,
                             void* params) OVERRIDE;
 
   // CloudPrintSetupHandler::Delegate implementation.
   virtual void OnCloudPrintSetupClosed() OVERRIDE;
 
  private:
-  // Callback for the "selectDownloadLocation" message.  This will prompt
-  // the user for a destination folder using platform-specific APIs.
+  // Callback for the "selectDownloadLocation" message. This will prompt the
+  // user for a destination folder using platform-specific APIs.
   void HandleSelectDownloadLocation(const ListValue* args);
 
-  // Callback for the "autoOpenFileTypesResetToDefault" message.  This will
+  // Callback for the "autoOpenFileTypesResetToDefault" message. This will
   // remove all auto-open file-type settings.
   void HandleAutoOpenButton(const ListValue* args);
 
-  // Callback for the "metricsReportingCheckboxAction" message.  This is called
+  // Callback for the "metricsReportingCheckboxAction" message. This is called
   // if the user toggles the metrics reporting checkbox.
   void HandleMetricsReportingCheckbox(const ListValue* args);
 
-  // Callback for the "defaultFontSizeAction" message.  This is called if the
-  // user changes the default font size.  |args| is an array that contains
+  // Callback for the "defaultFontSizeAction" message. This is called if the
+  // user changes the default font size. |args| is an array that contains
   // one item, the font size as a numeric value.
   void HandleDefaultFontSize(const ListValue* args);
 
+  // Callback for the "defaultZoomFactorAction" message. This is called if the
+  // user changes the default zoom factor. |args| is an array that contains
+  // one item, the zoom factor as a numeric value.
+  void HandleDefaultZoomFactor(const ListValue* args);
+
   // Callback for the "Check for server certificate revocation" checkbox. This
   // is called if the user toggles the "Check for server certificate revocation"
   // checkbox.
   void HandleCheckRevocationCheckbox(const ListValue* args);
 
   // Callback for the "Use SSL 3.0" checkbox. This is called if the user toggles
   // the "Use SSL 3.0" checkbox.
   void HandleUseSSL3Checkbox(const ListValue* args);
 
   // Callback for the "Use TLS 1.0" checkbox. This is called if the user toggles
   // the "Use TLS 1.0" checkbox.
   void HandleUseTLS1Checkbox(const ListValue* args);
 
 #if !defined(OS_CHROMEOS)
   // Callback for the "showNetworkProxySettings" message. This will invoke
   // an appropriate dialog for configuring proxy settings.
   void ShowNetworkProxySettings(const ListValue* args);
 #endif
 
 #if !defined(USE_NSS)
   // Callback for the "showManageSSLCertificates" message. This will invoke
   // an appropriate certificate management action based on the platform.
   void ShowManageSSLCertificates(const ListValue* args);
 #endif
 
-  // Callback for the Cloud Print manage button.  This will open a new
+  // Callback for the Cloud Print manage button. This will open a new
   // tab pointed at the management URL.
   void ShowCloudPrintManagePage(const ListValue* args);
 
 #if !defined(OS_CHROMEOS)
-  // Callback for the Sign in to Cloud Print button.  This will start
+  // Callback for the Sign in to Cloud Print button. This will start
   // the authentication process.
   void ShowCloudPrintSetupDialog(const ListValue* args);
 
-  // Callback for the Disable Cloud Print button.  This will sign out
+  // Callback for the Disable Cloud Print button. This will sign out
   // of cloud print.
   void HandleDisableCloudPrintProxy(const ListValue* args);
 
   // Pings the service to send us it's current notion of the enabled state.
   void RefreshCloudPrintStatusFromService();
 
   // Setup the enabled or disabled state of the cloud print proxy
   // management UI.
   void SetupCloudPrintProxySection();
 
@@ skipping 11 matching lines @@
   // Callback for the "Continue running background apps..." checkbox.
   void HandleBackgroundModeCheckbox(const ListValue* args);
 #endif
 
   // Setup the checked state for the metrics reporting checkbox.
   void SetupMetricsReportingCheckbox();
 
   // Setup the visibility for the metrics reporting setting.
   void SetupMetricsReportingSettingVisibility();
 
-  void SetupFontSizeLabel();
+  // Setup the font size selector control.
+  void SetupFontSizeSelector();
+
+  // Setup the page zoom selector control.
+  void SetupPageZoomSelector();
 
   // Setup the enabled state of the reset button.
   void SetupAutoOpenFileTypesDisabledAttribute();
 
   // Setup the proxy settings section UI.
   void SetupProxySettingsSection();
 
   // Setup the checked state for SSL related checkboxes.
   void SetupSSLConfigSettings();
 
   scoped_refptr<SelectFileDialog> select_folder_dialog_;
 
 #if !defined(OS_CHROMEOS)
   BooleanPrefMember enable_metrics_recording_;
   StringPrefMember cloud_print_proxy_email_;
   BooleanPrefMember cloud_print_proxy_enabled_;
   bool cloud_print_proxy_ui_enabled_;
   scoped_ptr<CloudPrintSetupHandler> cloud_print_setup_handler_;
 #endif
 
   // SSLConfigService prefs.
   BooleanPrefMember rev_checking_enabled_;
 
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
   BooleanPrefMember background_mode_enabled_;
 #endif
 
   StringPrefMember auto_open_files_;
   IntegerPrefMember default_font_size_;
+  DoublePrefMember default_zoom_level_;
 
 #if !defined(OS_CHROMEOS)
   scoped_ptr<PrefSetObserver> proxy_prefs_;
 #endif  // !defined(OS_CHROMEOS)
 
   DISALLOW_COPY_AND_ASSIGN(AdvancedOptionsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_ADVANCED_OPTIONS_HANDLER_H_