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-rw-r--r--dom/system/gonk/TimeZoneSettingObserver.cpp239
1 files changed, 0 insertions, 239 deletions
diff --git a/dom/system/gonk/TimeZoneSettingObserver.cpp b/dom/system/gonk/TimeZoneSettingObserver.cpp
deleted file mode 100644
index 512f79908..000000000
--- a/dom/system/gonk/TimeZoneSettingObserver.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "base/message_loop.h"
-#include "jsapi.h"
-#include "mozilla/dom/ScriptSettings.h"
-#include "mozilla/Attributes.h"
-#include "mozilla/ClearOnShutdown.h"
-#include "mozilla/Hal.h"
-#include "mozilla/Services.h"
-#include "mozilla/StaticPtr.h"
-#include "nsCOMPtr.h"
-#include "nsDebug.h"
-#include "nsIObserver.h"
-#include "nsIObserverService.h"
-#include "nsISettingsService.h"
-#include "nsJSUtils.h"
-#include "nsServiceManagerUtils.h"
-#include "nsString.h"
-#include "TimeZoneSettingObserver.h"
-#include "xpcpublic.h"
-#include "nsContentUtils.h"
-#include "nsPrintfCString.h"
-#include "mozilla/dom/BindingUtils.h"
-#include "mozilla/dom/SettingChangeNotificationBinding.h"
-
-#undef LOG
-#undef ERR
-#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "Time Zone Setting" , ## args)
-#define ERR(args...) __android_log_print(ANDROID_LOG_ERROR, "Time Zone Setting" , ## args)
-
-#define TIME_TIMEZONE "time.timezone"
-#define MOZSETTINGS_CHANGED "mozsettings-changed"
-
-using namespace mozilla;
-using namespace mozilla::dom;
-
-namespace {
-
-class TimeZoneSettingObserver : public nsIObserver
-{
-public:
- NS_DECL_ISUPPORTS
- NS_DECL_NSIOBSERVER
-
- TimeZoneSettingObserver();
- static nsresult SetTimeZone(const JS::Value &aValue, JSContext *aContext);
-
-protected:
- virtual ~TimeZoneSettingObserver();
-};
-
-class TimeZoneSettingCb final : public nsISettingsServiceCallback
-{
-public:
- NS_DECL_ISUPPORTS
-
- TimeZoneSettingCb() {}
-
- NS_IMETHOD Handle(const nsAString &aName, JS::Handle<JS::Value> aResult) {
-
- JSContext *cx = nsContentUtils::GetCurrentJSContext();
- NS_ENSURE_TRUE(cx, NS_OK);
-
- // If we don't have time.timezone value in the settings, we need
- // to initialize the settings based on the current system timezone
- // to make settings consistent with system. This usually happens
- // at the very first boot. After that, settings must have a value.
- if (aResult.isNull()) {
- // Get the current system time zone offset. Note that we need to
- // convert the value to a UTC representation in the format of
- // "UTC{+,-}hh:mm", so that the Gaia end can know how to interpret.
- // E.g., -480 is "UTC+08:00"; 630 is "UTC-10:30".
- int32_t timeZoneOffset = hal::GetTimezoneOffset();
- nsPrintfCString curTimeZone("UTC%+03d:%02d",
- -timeZoneOffset / 60,
- abs(timeZoneOffset) % 60);
-
- // Convert it to a JS string.
- NS_ConvertUTF8toUTF16 utf16Str(curTimeZone);
-
- JS::Rooted<JSString*> jsStr(cx, JS_NewUCStringCopyN(cx,
- utf16Str.get(),
- utf16Str.Length()));
- if (!jsStr) {
- return NS_ERROR_OUT_OF_MEMORY;
- }
-
- // Set the settings based on the current system timezone.
- nsCOMPtr<nsISettingsServiceLock> lock;
- nsCOMPtr<nsISettingsService> settingsService =
- do_GetService("@mozilla.org/settingsService;1");
- if (!settingsService) {
- ERR("Failed to get settingsLock service!");
- return NS_OK;
- }
- settingsService->CreateLock(nullptr, getter_AddRefs(lock));
- JS::Rooted<JS::Value> value(cx, JS::StringValue(jsStr));
- lock->Set(TIME_TIMEZONE, value, nullptr, nullptr);
- return NS_OK;
- }
-
- // Set the system timezone based on the current settings.
- if (aResult.isString()) {
- return TimeZoneSettingObserver::SetTimeZone(aResult, cx);
- }
-
- return NS_OK;
- }
-
- NS_IMETHOD HandleError(const nsAString &aName) {
- ERR("TimeZoneSettingCb::HandleError: %s\n", NS_LossyConvertUTF16toASCII(aName).get());
- return NS_OK;
- }
-
-protected:
- ~TimeZoneSettingCb() {}
-};
-
-NS_IMPL_ISUPPORTS(TimeZoneSettingCb, nsISettingsServiceCallback)
-
-TimeZoneSettingObserver::TimeZoneSettingObserver()
-{
- // Setup an observer to watch changes to the setting.
- nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
- if (!observerService) {
- ERR("GetObserverService failed");
- return;
- }
- nsresult rv;
- rv = observerService->AddObserver(this, MOZSETTINGS_CHANGED, false);
- if (NS_FAILED(rv)) {
- ERR("AddObserver failed");
- return;
- }
-
- // Read the 'time.timezone' setting in order to start with a known
- // value at boot time. The handle() will be called after reading.
- nsCOMPtr<nsISettingsServiceLock> lock;
- nsCOMPtr<nsISettingsService> settingsService =
- do_GetService("@mozilla.org/settingsService;1");
- if (!settingsService) {
- ERR("Failed to get settingsLock service!");
- return;
- }
- settingsService->CreateLock(nullptr, getter_AddRefs(lock));
- nsCOMPtr<nsISettingsServiceCallback> callback = new TimeZoneSettingCb();
- lock->Get(TIME_TIMEZONE, callback);
-}
-
-nsresult TimeZoneSettingObserver::SetTimeZone(const JS::Value &aValue, JSContext *aContext)
-{
- // Convert the JS value to a nsCString type.
- // The value should be a JS string like "America/Chicago" or "UTC-05:00".
- nsAutoJSString valueStr;
- if (!valueStr.init(aContext, aValue.toString())) {
- ERR("Failed to convert JS value to nsCString");
- return NS_ERROR_FAILURE;
- }
- NS_ConvertUTF16toUTF8 newTimezone(valueStr);
-
- // Hal expects opposite sign from general notations,
- // so we need to flip it.
- if (newTimezone.Find(NS_LITERAL_CSTRING("UTC+")) == 0) {
- if (!newTimezone.SetCharAt('-', 3)) {
- return NS_ERROR_FAILURE;
- }
- } else if (newTimezone.Find(NS_LITERAL_CSTRING("UTC-")) == 0) {
- if (!newTimezone.SetCharAt('+', 3)) {
- return NS_ERROR_FAILURE;
- }
- }
-
- // Set the timezone only when the system timezone is not identical.
- nsCString curTimezone = hal::GetTimezone();
- if (!curTimezone.Equals(newTimezone)) {
- hal::SetTimezone(newTimezone);
- }
-
- return NS_OK;
-}
-
-TimeZoneSettingObserver::~TimeZoneSettingObserver()
-{
- nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
- if (observerService) {
- observerService->RemoveObserver(this, MOZSETTINGS_CHANGED);
- }
-}
-
-NS_IMPL_ISUPPORTS(TimeZoneSettingObserver, nsIObserver)
-
-NS_IMETHODIMP
-TimeZoneSettingObserver::Observe(nsISupports *aSubject,
- const char *aTopic,
- const char16_t *aData)
-{
- if (strcmp(aTopic, MOZSETTINGS_CHANGED) != 0) {
- return NS_OK;
- }
-
- // Note that this function gets called for any and all settings changes,
- // so we need to carefully check if we have the one we're interested in.
- //
- // The string that we're interested in will be a JSON string that looks like:
- // {"key":"time.timezone","value":"America/Chicago"} or
- // {"key":"time.timezone","value":"UTC-05:00"}
-
- AutoSafeJSContext cx;
- RootedDictionary<SettingChangeNotification> setting(cx);
- if (!WrappedJSToDictionary(cx, aSubject, setting)) {
- return NS_OK;
- }
- if (!setting.mKey.EqualsASCII(TIME_TIMEZONE)) {
- return NS_OK;
- }
- if (!setting.mValue.isString()) {
- return NS_OK;
- }
-
- // Set the system timezone.
- return SetTimeZone(setting.mValue, cx);
-}
-
-} // namespace
-
-static mozilla::StaticRefPtr<TimeZoneSettingObserver> sTimeZoneSettingObserver;
-namespace mozilla {
-namespace system {
-void
-InitializeTimeZoneSettingObserver()
-{
- sTimeZoneSettingObserver = new TimeZoneSettingObserver();
- ClearOnShutdown(&sTimeZoneSettingObserver);
-}
-
-} // namespace system
-} // namespace mozilla