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// 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(
"getPreferenceValue",
base::Bind(&GestureConfigUI::GetPreferenceValue,
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::GetPreferenceValue(const base::ListValue* args) {
std::string pref_name;
if (!args->GetString(0, &pref_name)) return;
Profile* profile = Profile::FromWebUI(web_ui());
PrefService* prefs = profile->GetPrefs();
base::StringValue js_pref_name(pref_name);
base::FundamentalValue js_pref_value(prefs->GetDouble(pref_name.c_str()));
web_ui()->CallJavascriptFunction(
"gesture_config.getPreferenceValueResult",
js_pref_name,
js_pref_value);
}
void GestureConfigUI::ResetPreferenceValue(const base::ListValue* args) {
std::string pref_name;
if (!args->GetString(0, &pref_name)) return;
Profile* profile = Profile::FromWebUI(web_ui());
PrefService* prefs = profile->GetPrefs();
base::StringValue js_pref_name(pref_name);
double d;
if (prefs->GetDefaultPrefValue(pref_name.c_str())->GetAsDouble(&d)) {
base::FundamentalValue js_pref_value(d);
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>(d));
break;
case base::Value::TYPE_DOUBLE:
prefs->SetDouble(pref_name.c_str(), d);
break;
default:
NOTREACHED();
}
web_ui()->CallJavascriptFunction(
"gesture_config.getPreferenceValueResult",
js_pref_name,
js_pref_value);
}
}
void GestureConfigUI::SetPreferenceValue(const base::ListValue* args) {
std::string pref_name;
double value;
if (!args->GetString(0, &pref_name) || !args->GetDouble(1, &value)) return;
Profile* profile = Profile::FromWebUI(web_ui());
PrefService* prefs = profile->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();
}
}
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