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realm-js
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no more notification token

This commit is contained in:
Ari Lazier 2015-10-26 16:03:32 -07:00
parent 6db449ef06
commit ab1965c27e
3 changed files with 52 additions and 73 deletions
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1
src/RJSRealm.hpp
View File

@ -26,7 +26,6 @@ namespace realm {
JSClassRef RJSRealmClass();
JSClassRef RJSRealmConstructorClass();
JSClassRef RJSNotificationClass();
std::string RJSDefaultPath();
void RJSSetDefaultPath(std::string path);

118
src/RJSRealm.mm
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@ -32,43 +32,25 @@ using namespace realm;
class RJSRealmDelegate : public RealmDelegate {
public:
typedef std::shared_ptr<std::function<void(const std::string)>> NotificationFunction;
void add_notification(NotificationFunction &notification) { m_notifications.insert(notification); }
void remove_notification(NotificationFunction notification) { m_notifications.erase(notification); }
void remove_all_notifications() { m_notifications.clear(); }
std::set<NotificationFunction> m_notifications;
virtual void changes_available() {
for (NotificationFunction notification : m_notifications) {
(*notification)("RefreshRequiredNotification");
notify("RefreshRequiredNotification");
}
virtual void did_change(std::vector<ObserverState> const& observers, std::vector<void*> const& invalidated) {
notify("DidChangeNotification");
}
virtual void did_change(std::vector<ObserverState> const& observers,
std::vector<void*> const& invalidated) {
for (NotificationFunction notification : m_notifications) {
(*notification)("DidChangeNotification");
}
}
virtual std::vector<ObserverState> get_observed_rows() {
return std::vector<ObserverState>();
}
virtual void will_change(std::vector<ObserverState> const& observers,
std::vector<void*> const& invalidated) {
std::vector<void*> const& invalidated) {}
}
JSGlobalContextRef m_context;
std::map<std::string, ObjectDefaults> m_defaults;
std::map<std::string, JSValueRef> m_prototypes;
RJSRealmDelegate(JSGlobalContextRef ctx) : m_context(ctx) {
RJSRealmDelegate(WeakRealm realm, JSGlobalContextRef ctx) : m_context(ctx), m_realm(realm) {
JSGlobalContextRetain(m_context);
}
~RJSRealmDelegate() {
remove_all_notifications();
for (auto prototype : m_prototypes) {
JSValueUnprotect(m_context, prototype.second);
}
@ -79,6 +61,48 @@ public:
}
JSGlobalContextRelease(m_context);
}
void add_notification(JSObjectRef notification) {
JSValueProtect(m_context, notification);
m_notifications.insert(notification);
}
void remove_notification(JSObjectRef notification) {
JSValueUnprotect(m_context, notification);
m_notifications.erase(notification);
}
void remove_all_notifications() {
for (auto notification : m_notifications) {
JSValueUnprotect(m_context, notification);
}
m_notifications.clear();
}
std::map<std::string, ObjectDefaults> m_defaults;
std::map<std::string, JSValueRef> m_prototypes;
private:
std::set<JSObjectRef> m_notifications;
JSGlobalContextRef m_context;
WeakRealm m_realm;
void notify(const char *notification_name) {
for (auto callback : m_notifications) {
JSValueRef arguments[2];
SharedRealm realm = m_realm.lock();
if (!realm) {
throw std::runtime_error("Realm no longer exists");
}
JSObjectRef realm_object = RJSWrapObject<SharedRealm *>(m_context, RJSRealmClass(), new SharedRealm(realm));
arguments[0] = realm_object;
arguments[1] = RJSValueForString(m_context, notification_name);
JSValueRef ex = NULL;
JSObjectCallAsFunction(m_context, callback, realm_object, 2, arguments, &ex);
if (ex) {
throw RJSException(m_context, ex);
}
}
}
};
std::map<std::string, ObjectDefaults> &RJSDefaults(Realm *realm) {
@ -189,7 +213,7 @@ JSObjectRef RealmConstructor(JSContextRef ctx, JSObjectRef constructor, size_t a
}
SharedRealm realm = Realm::get_shared_realm(config);
if (!realm->m_delegate) {
realm->m_delegate = std::make_unique<RJSRealmDelegate>(JSContextGetGlobalContext(ctx));
realm->m_delegate = std::make_unique<RJSRealmDelegate>(realm, JSContextGetGlobalContext(ctx));
}
RJSDefaults(realm.get()) = defaults;
RJSPrototypes(realm.get()) = prototypes;
@ -399,48 +423,14 @@ JSValueRef RealmWrite(JSContextRef ctx, JSObjectRef function, JSObjectRef thisOb
return NULL;
}
namespace realm {
struct Notification {
JSGlobalContextRef ctx;
JSObjectRef realmObject;
JSObjectRef callbackObject;
RJSRealmDelegate::NotificationFunction func;
Notification(JSGlobalContextRef c, JSObjectRef r, JSObjectRef cb, RJSRealmDelegate::NotificationFunction f) : ctx(c), realmObject(r), callbackObject(cb), func(f) {
JSGlobalContextRetain(ctx);
JSValueProtect(ctx, realmObject);
JSValueProtect(ctx, callbackObject);
}
~Notification() {
JSValueUnprotect(ctx, callbackObject);
JSValueUnprotect(ctx, realmObject);
JSGlobalContextRelease(ctx);
}
};
}
JSValueRef RealmAddNotification(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* jsException) {
try {
RJSValidateArgumentCount(argumentCount, 1);
JSObjectRef callback = RJSValidatedValueToFunction(ctx, arguments[0]);
SharedRealm realm = *RJSGetInternal<SharedRealm *>(thisObject);
JSGlobalContextRef gCtx = JSContextGetGlobalContext(ctx);
RJSRealmDelegate::NotificationFunction func = std::make_shared<std::function<void(const std::string)>>([=](std::string notification_name) {
JSValueRef arguments[2];
arguments[0] = thisObject;
arguments[1] = RJSValueForString(gCtx, notification_name);
JSValueRef ex = NULL;
JSObjectCallAsFunction(gCtx, callback, thisObject, 2, arguments, &ex);
if (ex) {
throw RJSException(gCtx, ex);
}
});
static_cast<RJSRealmDelegate *>(realm->m_delegate.get())->add_notification(func);
return RJSWrapObject<Notification *>(ctx, RJSNotificationClass(), new Notification { gCtx, thisObject, callback, func });
static_cast<RJSRealmDelegate *>(realm->m_delegate.get())->add_notification(callback);
return NULL;
}
catch (std::exception &exp) {
if (jsException) {
@ -482,8 +472,4 @@ JSClassRef RJSRealmClass() {
return s_realmClass;
}
JSClassRef RJSNotificationClass() {
static JSClassRef s_notificationClass = RJSCreateWrapperClass<Notification *>("Notification", NULL, NULL, NULL);
return s_notificationClass;
}

6
src/RealmRPC.cpp
View File

@ -254,12 +254,6 @@ json RPCServer::serialize_json_value(JSValueRef value) {
{"schema", serialize_object_schema(results->object_schema)}
};
}
else if (JSValueIsObjectOfClass(m_context, value, RJSNotificationClass())) {
return {
{"type", RealmObjectTypesNotification},
{"id", store_object(js_object)},
};
}
else if (RJSIsValueArray(m_context, value)) {
size_t length = RJSValidatedListLength(m_context, js_object);
std::vector<json> array;