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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef EXTENSIONS_RENDERER_API_LAST_ERROR_H_ |
| 6 #define EXTENSIONS_RENDERER_API_LAST_ERROR_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/callback.h" |
| 11 #include "base/macros.h" |
| 12 #include "v8/include/v8.h" |
| 13 |
| 14 namespace extensions { |
| 15 |
| 16 // Handles creating and clearing a 'lastError' property to hold the last error |
| 17 // set by an extension API function. |
| 18 class APILastError { |
| 19 public: |
| 20 // Returns the object the 'lastError' property should be exposed on for the |
| 21 // given context. |
| 22 using GetParent = |
| 23 base::Callback<v8::Local<v8::Object>(v8::Local<v8::Context>)>; |
| 24 |
| 25 explicit APILastError(const GetParent& get_parent); |
| 26 APILastError(APILastError&& other); |
| 27 ~APILastError(); |
| 28 |
| 29 // Sets the last error for the given |context| to |error|. |
| 30 void SetError(v8::Local<v8::Context> context, const std::string& error); |
| 31 |
| 32 // Clears the last error in the given |context|. If |report_if_unchecked| is |
| 33 // true and the developer didn't check the error, this throws an exception. |
| 34 void ClearError(v8::Local<v8::Context> context, bool report_if_unchecked); |
| 35 |
| 36 private: |
| 37 GetParent get_parent_; |
| 38 |
| 39 DISALLOW_COPY_AND_ASSIGN(APILastError); |
| 40 }; |
| 41 |
| 42 } // namespace extensions |
| 43 |
| 44 #endif // EXTENSIONS_RENDERER_API_LAST_ERROR_H_ |
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