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31 #ifndef CryptoResultImpl_h
32 #define CryptoResultImpl_h
34 #include "bindings/core/v8/ScriptPromise.h"
35 #include "core/dom/ExceptionCode.h"
36 #include "platform/CryptoResult.h"
37 #include "public/platform/WebCrypto.h"
38 #include "wtf/Forward.h"
39 #include "wtf/WeakPtr.h"
43 class ScriptPromiseResolver;
44 ExceptionCode webCryptoErrorToExceptionCode(WebCryptoErrorType);
46 // Wrapper around a Promise to notify completion of the crypto operation.
48 // The thread on which CryptoResultImpl was created on is referred to as the
51 // * At creation time there must be an active ExecutionContext.
52 // * The CryptoResult interface must only be called from the origin thread.
53 // * ref(), deref(), cancelled() and cancel() can be called from any thread.
54 // * One of the completeWith***() functions must be called, or the
55 // m_resolver will be leaked until the ExecutionContext is destroyed.
56 class CryptoResultImpl final : public CryptoResult {
60 static PassRefPtr<CryptoResultImpl> create(ScriptState*);
62 virtual void completeWithError(WebCryptoErrorType, const WebString&) override;
63 virtual void completeWithBuffer(const WebArrayBuffer&) override;
64 virtual void completeWithJson(const char* utf8Data, unsigned length) override;
65 virtual void completeWithBoolean(bool) override;
66 virtual void completeWithKey(const WebCryptoKey&) override;
67 virtual void completeWithKeyPair(const WebCryptoKey& publicKey, const WebCryptoKey& privateKey) override;
68 virtual bool cancelled() const override;
70 // If called after completion (including cancellation) will return an empty
72 ScriptPromise promise();
76 explicit CryptoResultImpl(ScriptState*);
80 WeakPtr<ScriptPromiseResolver> m_resolver;
81 volatile int m_cancelled;