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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SKY_ENGINE_TONIC_MOJO_CONVERTER_H_ | 5 #ifndef SKY_ENGINE_TONIC_MOJO_CONVERTER_H_ |
6 #define SKY_ENGINE_TONIC_MOJO_CONVERTER_H_ | 6 #define SKY_ENGINE_TONIC_MOJO_CONVERTER_H_ |
7 | 7 |
8 #include "mojo/public/cpp/system/handle.h" | 8 #include "mojo/public/cpp/system/handle.h" |
9 #include "sky/engine/tonic/dart_converter.h" | 9 #include "sky/engine/tonic/dart_converter.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 template <typename HandleType> | 13 template <typename HandleType> |
14 struct DartConverter<mojo::ScopedHandleBase<HandleType>> { | 14 struct DartConverter<mojo::ScopedHandleBase<HandleType>> { |
15 static mojo::ScopedHandleBase<HandleType> FromDart(Dart_Handle handle) { | 15 static mojo::ScopedHandleBase<HandleType> FromDart(Dart_Handle handle) { |
16 uint64_t mojo_handle64 = 0; | 16 uint64_t mojo_handle64 = 0; |
17 Dart_Handle result = Dart_IntegerToUint64(handle, &mojo_handle64); | 17 Dart_Handle result = Dart_IntegerToUint64(handle, &mojo_handle64); |
18 if (Dart_IsError(result) || !mojo_handle64) | 18 if (Dart_IsError(result) || !mojo_handle64) |
19 return mojo::ScopedHandleBase<HandleType>(); | 19 return mojo::ScopedHandleBase<HandleType>(); |
20 | 20 |
21 HandleType mojo_handle(static_cast<MojoHandle>(mojo_handle64)); | 21 HandleType mojo_handle(static_cast<MojoHandle>(mojo_handle64)); |
22 return mojo::MakeScopedHandle(mojo_handle); | 22 return mojo::MakeScopedHandle(mojo_handle); |
23 } | 23 } |
24 | 24 |
25 static Dart_Handle ToDart(mojo::ScopedHandleBase<HandleType> mojo_handle) { | 25 static Dart_Handle ToDart(mojo::ScopedHandleBase<HandleType> mojo_handle) { |
26 return Dart_NewInteger(static_cast<int64_t>(mojo_handle.release().value())); | 26 return Dart_NewInteger(static_cast<int64_t>(mojo_handle.release().value())); |
27 } | 27 } |
| 28 |
| 29 static mojo::ScopedHandleBase<HandleType> FromArgumentsWithNullCheck( |
| 30 Dart_NativeArguments args, |
| 31 int index, |
| 32 Dart_Handle& exception, |
| 33 bool auto_scope = true) { |
| 34 int64_t mojo_handle64 = 0; |
| 35 Dart_Handle result = Dart_GetNativeIntegerArgument(args, index, &mojo_handle
64); |
| 36 if (Dart_IsError(result) || !mojo_handle64) |
| 37 return mojo::ScopedHandleBase<HandleType>(); |
| 38 |
| 39 HandleType mojo_handle(static_cast<MojoHandle>(mojo_handle64)); |
| 40 return mojo::MakeScopedHandle(mojo_handle); |
| 41 } |
28 }; | 42 }; |
29 | 43 |
30 } // namespace blink | 44 } // namespace blink |
31 | 45 |
32 #endif // SKY_ENGINE_TONIC_MOJO_CONVERTER_H_ | 46 #endif // SKY_ENGINE_TONIC_MOJO_CONVERTER_H_ |
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