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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_ | 5 #ifndef CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_ |
6 #define CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_ | 6 #define CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/pickle.h" | 13 #include "base/pickle.h" |
14 #include "base/values.h" | 14 #include "base/values.h" |
15 #include "content/common/content_export.h" | 15 #include "content/common/content_export.h" |
16 | 16 |
17 // In Java Bridge, we need to pass some kinds of values that can't | 17 // In Java Bridge, we need to pass some kinds of values that can't |
18 // be put into base::Value. And since base::Value is not extensible, | 18 // be put into base::Value. And since base::Value is not extensible, |
19 // we transfer these special values via base::BinaryValue. | 19 // we transfer these special values via base::Value. |
20 | 20 |
21 namespace content { | 21 namespace content { |
22 | 22 |
23 class GinJavaBridgeValue { | 23 class GinJavaBridgeValue { |
24 public: | 24 public: |
25 enum Type { | 25 enum Type { |
26 TYPE_FIRST_VALUE = 0, | 26 TYPE_FIRST_VALUE = 0, |
27 // JavaScript 'undefined' | 27 // JavaScript 'undefined' |
28 TYPE_UNDEFINED = 0, | 28 TYPE_UNDEFINED = 0, |
29 // JavaScript NaN and Infinity | 29 // JavaScript NaN and Infinity |
30 TYPE_NONFINITE, | 30 TYPE_NONFINITE, |
31 // Bridge Object ID | 31 // Bridge Object ID |
32 TYPE_OBJECT_ID, | 32 TYPE_OBJECT_ID, |
33 TYPE_LAST_VALUE | 33 TYPE_LAST_VALUE |
34 }; | 34 }; |
35 | 35 |
36 // Serialization | 36 // Serialization |
37 CONTENT_EXPORT static std::unique_ptr<base::BinaryValue> | 37 CONTENT_EXPORT static std::unique_ptr<base::Value> CreateUndefinedValue(); |
38 CreateUndefinedValue(); | 38 CONTENT_EXPORT static std::unique_ptr<base::Value> CreateNonFiniteValue( |
39 CONTENT_EXPORT static std::unique_ptr<base::BinaryValue> CreateNonFiniteValue( | |
40 float in_value); | 39 float in_value); |
41 CONTENT_EXPORT static std::unique_ptr<base::BinaryValue> CreateNonFiniteValue( | 40 CONTENT_EXPORT static std::unique_ptr<base::Value> CreateNonFiniteValue( |
42 double in_value); | 41 double in_value); |
43 CONTENT_EXPORT static std::unique_ptr<base::BinaryValue> CreateObjectIDValue( | 42 CONTENT_EXPORT static std::unique_ptr<base::Value> CreateObjectIDValue( |
44 int32_t in_value); | 43 int32_t in_value); |
45 | 44 |
46 // De-serialization | 45 // De-serialization |
47 CONTENT_EXPORT static bool ContainsGinJavaBridgeValue( | 46 CONTENT_EXPORT static bool ContainsGinJavaBridgeValue( |
48 const base::Value* value); | 47 const base::Value* value); |
49 CONTENT_EXPORT static std::unique_ptr<const GinJavaBridgeValue> FromValue( | 48 CONTENT_EXPORT static std::unique_ptr<const GinJavaBridgeValue> FromValue( |
50 const base::Value* value); | 49 const base::Value* value); |
51 | 50 |
52 CONTENT_EXPORT Type GetType() const; | 51 CONTENT_EXPORT Type GetType() const; |
53 CONTENT_EXPORT bool IsType(Type type) const; | 52 CONTENT_EXPORT bool IsType(Type type) const; |
54 | 53 |
55 CONTENT_EXPORT bool GetAsNonFinite(float* out_value) const; | 54 CONTENT_EXPORT bool GetAsNonFinite(float* out_value) const; |
56 CONTENT_EXPORT bool GetAsObjectID(int32_t* out_object_id) const; | 55 CONTENT_EXPORT bool GetAsObjectID(int32_t* out_object_id) const; |
57 | 56 |
58 private: | 57 private: |
59 explicit GinJavaBridgeValue(Type type); | 58 explicit GinJavaBridgeValue(Type type); |
60 explicit GinJavaBridgeValue(const base::BinaryValue* value); | 59 explicit GinJavaBridgeValue(const base::Value* value); |
61 std::unique_ptr<base::BinaryValue> SerializeToBinaryValue(); | 60 std::unique_ptr<base::Value> SerializeToBinaryValue(); |
62 | 61 |
63 base::Pickle pickle_; | 62 base::Pickle pickle_; |
64 | 63 |
65 DISALLOW_COPY_AND_ASSIGN(GinJavaBridgeValue); | 64 DISALLOW_COPY_AND_ASSIGN(GinJavaBridgeValue); |
66 }; | 65 }; |
67 | 66 |
68 } // namespace content | 67 } // namespace content |
69 | 68 |
70 #endif // CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_ | 69 #endif // CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_ |
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