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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /storage/mozStorageAsyncStatementJSHelper.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/mozStorageAsyncStatementJSHelper.cpp')
-rw-r--r--storage/mozStorageAsyncStatementJSHelper.cpp142
1 files changed, 142 insertions, 0 deletions
diff --git a/storage/mozStorageAsyncStatementJSHelper.cpp b/storage/mozStorageAsyncStatementJSHelper.cpp
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+++ b/storage/mozStorageAsyncStatementJSHelper.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
+ * 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 "nsIXPConnect.h"
+#include "mozStorageAsyncStatement.h"
+#include "mozStorageService.h"
+
+#include "nsString.h"
+#include "nsServiceManagerUtils.h"
+
+#include "mozStorageAsyncStatementJSHelper.h"
+
+#include "mozStorageAsyncStatementParams.h"
+
+#include "jsapi.h"
+#include "js/PropertyAndElement.h" // JS_DefineProperty, JS_DefinePropertyById
+
+#include "xpc_make_class.h"
+
+namespace mozilla {
+namespace storage {
+
+////////////////////////////////////////////////////////////////////////////////
+//// AsyncStatementJSHelper
+
+nsresult AsyncStatementJSHelper::getParams(AsyncStatement* aStatement,
+ JSContext* aCtx, JSObject* aScopeObj,
+ JS::Value* _params) {
+ MOZ_ASSERT(NS_IsMainThread());
+
+#ifdef DEBUG
+ int32_t state;
+ (void)aStatement->GetState(&state);
+ NS_ASSERTION(state == mozIStorageAsyncStatement::MOZ_STORAGE_STATEMENT_READY,
+ "Invalid state to get the params object - all calls will fail!");
+#endif
+
+ JS::Rooted<JSObject*> scope(aCtx, aScopeObj);
+
+ if (!aStatement->mStatementParamsHolder) {
+ dom::GlobalObject global(aCtx, scope);
+ if (global.Failed()) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ nsCOMPtr<nsPIDOMWindowInner> window =
+ do_QueryInterface(global.GetAsSupports());
+
+ RefPtr<AsyncStatementParams> params(
+ new AsyncStatementParams(window, aStatement));
+ NS_ENSURE_TRUE(params, NS_ERROR_OUT_OF_MEMORY);
+
+ RefPtr<AsyncStatementParamsHolder> paramsHolder =
+ new AsyncStatementParamsHolder(params);
+ NS_ENSURE_TRUE(paramsHolder, NS_ERROR_OUT_OF_MEMORY);
+
+ aStatement->mStatementParamsHolder =
+ new nsMainThreadPtrHolder<AsyncStatementParamsHolder>(
+ "Statement::mStatementParamsHolder", paramsHolder);
+ }
+
+ RefPtr<AsyncStatementParams> params(
+ aStatement->mStatementParamsHolder->Get());
+ JSObject* obj = params->WrapObject(aCtx, nullptr);
+ if (!obj) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ _params->setObject(*obj);
+ return NS_OK;
+}
+
+NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::AddRef() {
+ return 2;
+}
+NS_IMETHODIMP_(MozExternalRefCountType) AsyncStatementJSHelper::Release() {
+ return 1;
+}
+NS_INTERFACE_MAP_BEGIN(AsyncStatementJSHelper)
+ NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable)
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+////////////////////////////////////////////////////////////////////////////////
+//// nsIXPCScriptable
+
+#define XPC_MAP_CLASSNAME AsyncStatementJSHelper
+#define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementJSHelper"
+#define XPC_MAP_FLAGS \
+ (XPC_SCRIPTABLE_WANT_RESOLVE | XPC_SCRIPTABLE_ALLOW_PROP_MODS_DURING_RESOLVE)
+#include "xpc_map_end.h"
+
+NS_IMETHODIMP
+AsyncStatementJSHelper::Resolve(nsIXPConnectWrappedNative* aWrapper,
+ JSContext* aCtx, JSObject* aScopeObj, jsid aId,
+ bool* resolvedp, bool* _retval) {
+ if (!aId.isString()) return NS_OK;
+
+ // Cast to async via mozI* since direct from nsISupports is ambiguous.
+ JS::Rooted<JSObject*> scope(aCtx, aScopeObj);
+ JS::Rooted<JS::PropertyKey> id(aCtx, aId);
+ mozIStorageAsyncStatement* iAsyncStmt =
+ static_cast<mozIStorageAsyncStatement*>(aWrapper->Native());
+ AsyncStatement* stmt = static_cast<AsyncStatement*>(iAsyncStmt);
+
+#ifdef DEBUG
+ {
+ nsISupports* supp = aWrapper->Native();
+ nsCOMPtr<mozIStorageAsyncStatement> isStatement(do_QueryInterface(supp));
+ NS_ASSERTION(isStatement, "How is this not an async statement?!");
+ }
+#endif
+
+ if (::JS_LinearStringEqualsLiteral(id.toLinearString(), "params")) {
+ JS::Rooted<JS::Value> val(aCtx);
+ nsresult rv = getParams(stmt, aCtx, scope, val.address());
+ NS_ENSURE_SUCCESS(rv, rv);
+ *_retval = ::JS_DefinePropertyById(aCtx, scope, id, val, JSPROP_RESOLVING);
+ *resolvedp = true;
+ return NS_OK;
+ }
+
+ return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//// AsyncStatementParamsHolder
+
+NS_IMPL_ISUPPORTS0(AsyncStatementParamsHolder);
+
+AsyncStatementParamsHolder::~AsyncStatementParamsHolder() {
+ MOZ_ASSERT(NS_IsMainThread());
+ // We are considered dead at this point, so any wrappers for row or params
+ // need to lose their reference to the statement.
+ mParams->mStatement = nullptr;
+}
+
+} // namespace storage
+} // namespace mozilla