diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/bindings/v8/CallbackPromiseAdapter.h')
-rw-r--r-- | chromium/third_party/WebKit/Source/bindings/v8/CallbackPromiseAdapter.h | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/chromium/third_party/WebKit/Source/bindings/v8/CallbackPromiseAdapter.h b/chromium/third_party/WebKit/Source/bindings/v8/CallbackPromiseAdapter.h index 19b5a543918..21719792209 100644 --- a/chromium/third_party/WebKit/Source/bindings/v8/CallbackPromiseAdapter.h +++ b/chromium/third_party/WebKit/Source/bindings/v8/CallbackPromiseAdapter.h @@ -31,8 +31,7 @@ #ifndef CallbackPromiseAdapter_h #define CallbackPromiseAdapter_h -#include "bindings/v8/DOMRequestState.h" -#include "bindings/v8/ScriptPromiseResolver.h" +#include "bindings/v8/ScriptPromiseResolverWithContext.h" #include "public/platform/WebCallbacks.h" namespace WebCore { @@ -40,16 +39,25 @@ namespace WebCore { // This class provides an easy way to convert from a Script-exposed // class (i.e. a class that has a toV8() overload) that uses Promises // to a WebKit API class that uses WebCallbacks. You can define -// seperate Success and Error classes, but this example just uses one +// separate Success and Error classes, but this example just uses one // object for both. // // To use: // // class MyClass ... { // typedef blink::WebMyClass WebType; -// static PassRefPtr<MyClass> from(blink::WebMyClass* webInstance) { +// static PassRefPtr<MyClass> from(ScriptPromiseResolverWithContext* resolver, +// blink::WebMyClass* webInstance) { // // convert/create as appropriate, but often it's just: // return MyClass::create(adoptPtr(webInstance)); +// +// // Since promise resolving is done as an async task, it's not +// // guaranteed that the script context has seen the promise resolve +// // immediately after calling onSuccess/onError. You can use the +// // ScriptPromise from the resolver to schedule a task that executes +// // after resolving: +// ScriptState::Scope scope(resolver->scriptState()); +// resolver->promise().then(...); // } // // Now when calling into a WebKit API that requires a WebCallbacks<blink::WebMyClass, blink::WebMyClass>*: @@ -61,28 +69,24 @@ namespace WebCore { // example that ownership of the WebCallbacks instance is being passed // in and it is up to the callee to free the WebCallbacks instace. template<typename S, typename T> -class CallbackPromiseAdapter : public blink::WebCallbacks<typename S::WebType, typename T::WebType> { +class CallbackPromiseAdapter FINAL : public blink::WebCallbacks<typename S::WebType, typename T::WebType> { public: - explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver, ExecutionContext* context) + CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolverWithContext> resolver) : m_resolver(resolver) - , m_requestState(context) { } virtual ~CallbackPromiseAdapter() { } virtual void onSuccess(typename S::WebType* result) OVERRIDE { - DOMRequestState::Scope scope(m_requestState); - m_resolver->resolve(S::from(result)); + m_resolver->resolve(S::from(m_resolver.get(), result)); } - void onError(typename T::WebType* error) OVERRIDE + virtual void onError(typename T::WebType* error) OVERRIDE { - DOMRequestState::Scope scope(m_requestState); - m_resolver->reject(T::from(error)); + m_resolver->reject(T::from(m_resolver.get(), error)); } private: - RefPtr<ScriptPromiseResolver> m_resolver; - DOMRequestState m_requestState; + RefPtr<ScriptPromiseResolverWithContext> m_resolver; WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); }; |