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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_BROWSER_ANDROID_JAVA_GIN_JAVA_METHOD_INVOCATION_HELPER_H_ | 5 #ifndef CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_METHOD_INVOCATION_HELPER_H_ |
6 #define CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_METHOD_INVOCATION_HELPER_H_ | 6 #define CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_METHOD_INVOCATION_HELPER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/android/jni_weak_ref.h" | 10 #include "base/android/jni_weak_ref.h" |
11 #include "base/android/scoped_java_ref.h" | 11 #include "base/android/scoped_java_ref.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/values.h" | 13 #include "base/values.h" |
14 #include "content/browser/android/java/gin_java_bound_object.h" | 14 #include "content/browser/android/java/gin_java_bound_object.h" |
15 #include "content/browser/android/java/java_type.h" | 15 #include "content/browser/android/java/java_type.h" |
16 #include "content/common/android/gin_java_bridge_errors.h" | 16 #include "content/common/android/gin_java_bridge_errors.h" |
17 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
18 | 18 |
19 namespace content { | 19 namespace content { |
20 | 20 |
21 class JavaMethod; | 21 class JavaMethod; |
22 | 22 |
23 // Instances of this class are created and initialized on the UI thread, do | 23 // Instances of this class are created and used on the background thread. |
24 // their work on the background thread, and then again examined on the UI | |
25 // thread. They don't work on both threads simultaneously, though. | |
26 class CONTENT_EXPORT GinJavaMethodInvocationHelper | 24 class CONTENT_EXPORT GinJavaMethodInvocationHelper |
27 : public base::RefCountedThreadSafe<GinJavaMethodInvocationHelper> { | 25 : public base::RefCountedThreadSafe<GinJavaMethodInvocationHelper> { |
28 public: | 26 public: |
29 // DispatcherDelegate is used on the UI thread | |
30 class DispatcherDelegate { | 27 class DispatcherDelegate { |
31 public: | 28 public: |
32 DispatcherDelegate() {} | 29 DispatcherDelegate() {} |
33 virtual ~DispatcherDelegate() {} | 30 virtual ~DispatcherDelegate() {} |
34 virtual JavaObjectWeakGlobalRef GetObjectWeakRef( | 31 virtual JavaObjectWeakGlobalRef GetObjectWeakRef( |
35 GinJavaBoundObject::ObjectID object_id) = 0; | 32 GinJavaBoundObject::ObjectID object_id) = 0; |
36 | 33 |
37 private: | 34 private: |
38 DISALLOW_COPY_AND_ASSIGN(DispatcherDelegate); | 35 DISALLOW_COPY_AND_ASSIGN(DispatcherDelegate); |
39 }; | 36 }; |
40 | 37 |
41 // ObjectDelegate is used in the background thread | |
42 class ObjectDelegate { | 38 class ObjectDelegate { |
43 public: | 39 public: |
44 ObjectDelegate() {} | 40 ObjectDelegate() {} |
45 virtual ~ObjectDelegate() {} | 41 virtual ~ObjectDelegate() {} |
46 virtual base::android::ScopedJavaLocalRef<jobject> GetLocalRef( | 42 virtual base::android::ScopedJavaLocalRef<jobject> GetLocalRef( |
47 JNIEnv* env) = 0; | 43 JNIEnv* env) = 0; |
48 virtual base::android::ScopedJavaLocalRef<jclass> GetLocalClassRef( | 44 virtual base::android::ScopedJavaLocalRef<jclass> GetLocalClassRef( |
49 JNIEnv* env) = 0; | 45 JNIEnv* env) = 0; |
50 virtual const JavaMethod* FindMethod(const std::string& method_name, | 46 virtual const JavaMethod* FindMethod(const std::string& method_name, |
51 size_t num_parameters) = 0; | 47 size_t num_parameters) = 0; |
52 virtual bool IsObjectGetClassMethod(const JavaMethod* method) = 0; | 48 virtual bool IsObjectGetClassMethod(const JavaMethod* method) = 0; |
53 virtual const base::android::JavaRef<jclass>& GetSafeAnnotationClass() = 0; | 49 virtual const base::android::JavaRef<jclass>& GetSafeAnnotationClass() = 0; |
54 | 50 |
55 private: | 51 private: |
56 DISALLOW_COPY_AND_ASSIGN(ObjectDelegate); | 52 DISALLOW_COPY_AND_ASSIGN(ObjectDelegate); |
57 }; | 53 }; |
58 | 54 |
59 GinJavaMethodInvocationHelper(scoped_ptr<ObjectDelegate> object, | 55 GinJavaMethodInvocationHelper(scoped_ptr<ObjectDelegate> object, |
60 const std::string& method_name, | 56 const std::string& method_name, |
61 const base::ListValue& arguments); | 57 const base::ListValue& arguments); |
62 void Init(DispatcherDelegate* dispatcher); | 58 void Init(DispatcherDelegate* dispatcher); |
63 | 59 |
64 // Called on the background thread | |
65 void Invoke(); | 60 void Invoke(); |
66 | 61 |
67 // Called on the UI thread | |
68 bool HoldsPrimitiveResult(); | 62 bool HoldsPrimitiveResult(); |
69 const base::ListValue& GetPrimitiveResult(); | 63 const base::ListValue& GetPrimitiveResult(); |
70 const base::android::JavaRef<jobject>& GetObjectResult(); | 64 const base::android::JavaRef<jobject>& GetObjectResult(); |
71 const base::android::JavaRef<jclass>& GetSafeAnnotationClass(); | 65 const base::android::JavaRef<jclass>& GetSafeAnnotationClass(); |
72 const GinJavaBridgeError GetInvocationError(); | 66 const GinJavaBridgeError GetInvocationError(); |
73 | 67 |
74 private: | 68 private: |
75 friend class base::RefCountedThreadSafe<GinJavaMethodInvocationHelper>; | 69 friend class base::RefCountedThreadSafe<GinJavaMethodInvocationHelper>; |
76 ~GinJavaMethodInvocationHelper(); | 70 ~GinJavaMethodInvocationHelper(); |
77 | 71 |
78 // Called on the UI thread | |
79 void BuildObjectRefsFromListValue(DispatcherDelegate* dispatcher, | 72 void BuildObjectRefsFromListValue(DispatcherDelegate* dispatcher, |
80 const base::Value* list_value); | 73 const base::Value* list_value); |
81 void BuildObjectRefsFromDictionaryValue(DispatcherDelegate* dispatcher, | 74 void BuildObjectRefsFromDictionaryValue(DispatcherDelegate* dispatcher, |
82 const base::Value* dict_value); | 75 const base::Value* dict_value); |
83 | 76 |
84 bool AppendObjectRef(DispatcherDelegate* dispatcher, | 77 bool AppendObjectRef(DispatcherDelegate* dispatcher, |
85 const base::Value* raw_value); | 78 const base::Value* raw_value); |
86 | 79 |
87 // Called on the background thread. | |
88 void InvokeMethod(jobject object, | 80 void InvokeMethod(jobject object, |
89 jclass clazz, | 81 jclass clazz, |
90 const JavaType& return_type, | 82 const JavaType& return_type, |
91 jmethodID id, | 83 jmethodID id, |
92 jvalue* parameters); | 84 jvalue* parameters); |
93 void SetInvocationError(GinJavaBridgeError error); | 85 void SetInvocationError(GinJavaBridgeError error); |
94 void SetPrimitiveResult(const base::ListValue& result_wrapper); | 86 void SetPrimitiveResult(const base::ListValue& result_wrapper); |
95 void SetObjectResult( | 87 void SetObjectResult( |
96 const base::android::JavaRef<jobject>& object, | 88 const base::android::JavaRef<jobject>& object, |
97 const base::android::JavaRef<jclass>& safe_annotation_clazz); | 89 const base::android::JavaRef<jclass>& safe_annotation_clazz); |
(...skipping 10 matching lines...) Expand all Loading... |
108 GinJavaBridgeError invocation_error_; | 100 GinJavaBridgeError invocation_error_; |
109 base::android::ScopedJavaGlobalRef<jobject> object_result_; | 101 base::android::ScopedJavaGlobalRef<jobject> object_result_; |
110 base::android::ScopedJavaGlobalRef<jclass> safe_annotation_clazz_; | 102 base::android::ScopedJavaGlobalRef<jclass> safe_annotation_clazz_; |
111 | 103 |
112 DISALLOW_COPY_AND_ASSIGN(GinJavaMethodInvocationHelper); | 104 DISALLOW_COPY_AND_ASSIGN(GinJavaMethodInvocationHelper); |
113 }; | 105 }; |
114 | 106 |
115 } // namespace content | 107 } // namespace content |
116 | 108 |
117 #endif // CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_METHOD_INVOCATION_HELPER_H_ | 109 #endif // CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_METHOD_INVOCATION_HELPER_H_ |
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