本文整理汇总了C++中IsBrowserElementOrThrow函数的典型用法代码示例。如果您正苦于以下问题：C++ IsBrowserElementOrThrow函数的具体用法？C++ IsBrowserElementOrThrow怎么用？C++ IsBrowserElementOrThrow使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了IsBrowserElementOrThrow函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: NS_ENSURE_TRUE
already_AddRefed<DOMRequest>
nsBrowserElement::Download(const nsAString& aUrl,
const BrowserElementDownloadOptions& aOptions,
ErrorResult& aRv)
{
NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
RefPtr<DOMRequest> req;
nsCOMPtr<nsIXPConnectWrappedJS> wrappedObj = do_QueryInterface(mBrowserElementAPI);
MOZ_ASSERT(wrappedObj, "Failed to get wrapped JS from XPCOM component.");
MOZ_RELEASE_ASSERT(!js::IsWrapper(wrappedObj->GetJSObject()));
AutoJSAPI jsapi;
if (!jsapi.Init(wrappedObj->GetJSObject())) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
JSContext* cx = jsapi.cx();
JS::Rooted<JS::Value> options(cx);
aRv.MightThrowJSException();
if (!ToJSValue(cx, aOptions, &options)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
nsresult rv = mBrowserElementAPI->Download(aUrl, options, getter_AddRefs(req));
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
return req.forget();
}示例2: NS_ENSURE_TRUE
already_AddRefed<DOMRequest>
nsBrowserElement::ExecuteScript(const nsAString& aScript,
const BrowserElementExecuteScriptOptions& aOptions,
ErrorResult& aRv)
{
NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
NS_ENSURE_TRUE(IsNotWidgetOrThrow(aRv), nullptr);
nsCOMPtr<nsIDOMDOMRequest> req;
nsCOMPtr<nsIXPConnectWrappedJS> wrappedObj = do_QueryInterface(mBrowserElementAPI);
MOZ_ASSERT(wrappedObj, "Failed to get wrapped JS from XPCOM component.");
AutoJSAPI jsapi;
jsapi.Init(wrappedObj->GetJSObject());
JSContext* cx = jsapi.cx();
JS::Rooted<JS::Value> options(cx);
aRv.MightThrowJSException();
if (!ToJSValue(cx, aOptions, &options)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
nsresult rv = mBrowserElementAPI->ExecuteScript(aScript, options, getter_AddRefs(req));
if (NS_FAILED(rv)) {
if (rv == NS_ERROR_INVALID_ARG) {
aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
} else {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
return nullptr;
}
return req.forget().downcast<DOMRequest>();
}示例3: NS_ENSURE_TRUE
already_AddRefed<DOMRequest>
nsBrowserElement::Download(const nsAString& aUrl,
const BrowserElementDownloadOptions& aOptions,
ErrorResult& aRv)
{
NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
NS_ENSURE_TRUE(IsNotWidgetOrThrow(aRv), nullptr);
nsCOMPtr<nsIDOMDOMRequest> req;
nsCOMPtr<nsIXPConnectWrappedJS> wrappedObj = do_QueryInterface(mBrowserElementAPI);
MOZ_ASSERT(wrappedObj, "Failed to get wrapped JS from XPCOM component.");
AutoJSAPI jsapi;
jsapi.Init(wrappedObj->GetJSObject());
JSContext* cx = jsapi.cx();
JS::Rooted<JS::Value> options(cx);
if (!ToJSValue(cx, aOptions, &options)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
nsresult rv = mBrowserElementAPI->Download(aUrl, options, getter_AddRefs(req));
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
return req.forget().downcast<DOMRequest>();
}示例4: NS_ENSURE_TRUE_VOID
void
nsBrowserElement::ClearMatch(ErrorResult& aRv)
{
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->ClearMatch();
if (NS_FAILED(rv)) {
aRv.Throw(rv);
}
}示例5: NS_ENSURE_TRUE_VOID
void
nsBrowserElement::SetVisible(bool aVisible, ErrorResult& aRv)
{
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->SetVisible(aVisible);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
}