| // Copyright (c) 2012 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/ui/webui/gesture_config_ui.h" |
| |
| #include "base/bind.h" |
| #include "base/prefs/pref_service.h" |
| #include "base/values.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/web_ui.h" |
| #include "content/public/browser/web_ui_data_source.h" |
| #include "grit/browser_resources.h" |
| #include "grit/generated_resources.h" |
| |
| /** |
| * WebUI for configuring 'gesture.*' preference values used by |
| * Chrome's gesture recognition system. |
| */ |
| GestureConfigUI::GestureConfigUI(content::WebUI* web_ui) |
| : content::WebUIController(web_ui) { |
| // Set up the chrome://gesture-config source. |
| content::WebUIDataSource* html_source = |
| content::WebUIDataSource::Create(chrome::kChromeUIGestureConfigHost); |
| |
| // Register callback handlers. |
| web_ui->RegisterMessageCallback( |
| "updatePreferenceValue", |
| base::Bind(&GestureConfigUI::UpdatePreferenceValue, |
| base::Unretained(this))); |
| web_ui->RegisterMessageCallback( |
| "resetPreferenceValue", |
| base::Bind(&GestureConfigUI::ResetPreferenceValue, |
| base::Unretained(this))); |
| web_ui->RegisterMessageCallback( |
| "setPreferenceValue", |
| base::Bind(&GestureConfigUI::SetPreferenceValue, |
| base::Unretained(this))); |
| |
| // Add required resources. |
| html_source->AddResourcePath("gesture_config.css", IDR_GESTURE_CONFIG_CSS); |
| html_source->AddResourcePath("gesture_config.js", IDR_GESTURE_CONFIG_JS); |
| html_source->SetDefaultResource(IDR_GESTURE_CONFIG_HTML); |
| |
| Profile* profile = Profile::FromWebUI(web_ui); |
| content::WebUIDataSource::Add(profile, html_source); |
| } |
| |
| GestureConfigUI::~GestureConfigUI() { |
| } |
| |
| void GestureConfigUI::UpdatePreferenceValue(const base::ListValue* args) { |
| std::string pref_name; |
| |
| if (!args->GetString(0, &pref_name)) return; |
| |
| PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs(); |
| const PrefService::Preference* pref = |
| prefs->FindPreference(pref_name.c_str()); |
| |
| base::StringValue js_pref_name(pref_name); |
| base::FundamentalValue js_pref_value(prefs->GetDouble(pref_name.c_str())); |
| base::FundamentalValue js_pref_default(pref->IsDefaultValue()); |
| |
| web_ui()->CallJavascriptFunction( |
| "gesture_config.updatePreferenceValueResult", |
| js_pref_name, |
| js_pref_value, |
| js_pref_default); |
| } |
| |
| void GestureConfigUI::ResetPreferenceValue(const base::ListValue* args) { |
| std::string pref_name; |
| |
| if (!args->GetString(0, &pref_name)) return; |
| |
| PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs(); |
| |
| prefs->ClearPref(pref_name.c_str()); |
| UpdatePreferenceValue(args); |
| } |
| |
| void GestureConfigUI::SetPreferenceValue(const base::ListValue* args) { |
| std::string pref_name; |
| double value; |
| |
| if (!args->GetString(0, &pref_name) || !args->GetDouble(1, &value)) return; |
| |
| PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs(); |
| |
| const PrefService::Preference* pref = |
| prefs->FindPreference(pref_name.c_str()); |
| switch (pref->GetType()) { |
| case base::Value::TYPE_INTEGER: |
| prefs->SetInteger(pref_name.c_str(), static_cast<int>(value)); |
| break; |
| case base::Value::TYPE_DOUBLE: |
| prefs->SetDouble(pref_name.c_str(), value); |
| break; |
| default: |
| NOTREACHED(); |
| } |
| } |
| |