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Side by Side Diff: mojo/edk/js/handle.h

Issue 703273002: Update mojo sdk to rev 04a510fb37db10642e156957f9b2c11c2f6442ac (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix content/child -> mojo/common linking Created 6 years, 1 month ago
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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 MOJO_BINDINGS_JS_HANDLE_H_ 5 #ifndef MOJO_BINDINGS_JS_HANDLE_H_
6 #define MOJO_BINDINGS_JS_HANDLE_H_ 6 #define MOJO_BINDINGS_JS_HANDLE_H_
7 7
8 #include "base/observer_list.h" 8 #include "base/observer_list.h"
9 #include "gin/converter.h" 9 #include "gin/converter.h"
10 #include "gin/handle.h" 10 #include "gin/handle.h"
11 #include "gin/object_template_builder.h"
11 #include "gin/wrappable.h" 12 #include "gin/wrappable.h"
12 #include "mojo/public/cpp/system/core.h" 13 #include "mojo/public/cpp/system/core.h"
13 14
14 namespace mojo { 15 namespace mojo {
15 namespace js { 16 namespace js {
16 class HandleCloseObserver; 17 class HandleCloseObserver;
17 18
18 // Wrapper for mojo Handles exposed to JavaScript. This ensures the Handle 19 // Wrapper for mojo Handles exposed to JavaScript. This ensures the Handle
19 // is Closed when its JS object is garbage collected. 20 // is Closed when its JS object is garbage collected.
20 class HandleWrapper : public gin::Wrappable<HandleWrapper> { 21 class HandleWrapper : public gin::Wrappable<HandleWrapper> {
21 public: 22 public:
22 static gin::WrapperInfo kWrapperInfo; 23 static gin::WrapperInfo kWrapperInfo;
23 24
24 static gin::Handle<HandleWrapper> Create(v8::Isolate* isolate, 25 static gin::Handle<HandleWrapper> Create(v8::Isolate* isolate,
25 MojoHandle handle) { 26 MojoHandle handle) {
26 return gin::CreateHandle(isolate, new HandleWrapper(handle)); 27 return gin::CreateHandle(isolate, new HandleWrapper(handle));
27 } 28 }
28 29
30 std::string ToString();
31
32 gin::ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate)
33 override;
34
29 mojo::Handle get() const { return handle_.get(); } 35 mojo::Handle get() const { return handle_.get(); }
30 mojo::Handle release() { return handle_.release(); } 36 mojo::Handle release() { return handle_.release(); }
31 void Close(); 37 void Close();
32 38
33 void AddCloseObserver(HandleCloseObserver* observer); 39 void AddCloseObserver(HandleCloseObserver* observer);
34 void RemoveCloseObserver(HandleCloseObserver* observer); 40 void RemoveCloseObserver(HandleCloseObserver* observer);
35 41
36 protected: 42 protected:
37 HandleWrapper(MojoHandle handle); 43 HandleWrapper(MojoHandle handle);
38 ~HandleWrapper() override; 44 ~HandleWrapper() override;
(...skipping 13 matching lines...) Expand all
52 // there's no way to prevent against accidental use. 58 // there's no way to prevent against accidental use.
53 // TODO(mpcomplete): define converters for all Handle subtypes. 59 // TODO(mpcomplete): define converters for all Handle subtypes.
54 template<> 60 template<>
55 struct Converter<mojo::Handle> { 61 struct Converter<mojo::Handle> {
56 static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate, 62 static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
57 const mojo::Handle& val); 63 const mojo::Handle& val);
58 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, 64 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
59 mojo::Handle* out); 65 mojo::Handle* out);
60 }; 66 };
61 67
68 template<>
69 struct Converter<mojo::MessagePipeHandle> {
70 static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
71 mojo::MessagePipeHandle val);
72 static bool FromV8(v8::Isolate* isolate,
73 v8::Handle<v8::Value> val,
74 mojo::MessagePipeHandle* out);
75 };
76
62 // We need to specialize the normal gin::Handle converter in order to handle 77 // We need to specialize the normal gin::Handle converter in order to handle
63 // converting |null| to a wrapper for an empty mojo::Handle. 78 // converting |null| to a wrapper for an empty mojo::Handle.
64 template<> 79 template<>
65 struct Converter<gin::Handle<mojo::js::HandleWrapper> > { 80 struct Converter<gin::Handle<mojo::js::HandleWrapper> > {
66 static v8::Handle<v8::Value> ToV8( 81 static v8::Handle<v8::Value> ToV8(
67 v8::Isolate* isolate, const gin::Handle<mojo::js::HandleWrapper>& val) { 82 v8::Isolate* isolate, const gin::Handle<mojo::js::HandleWrapper>& val) {
68 return val.ToV8(); 83 return val.ToV8();
69 } 84 }
70 85
71 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, 86 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
72 gin::Handle<mojo::js::HandleWrapper>* out) { 87 gin::Handle<mojo::js::HandleWrapper>* out) {
73 if (val->IsNull()) { 88 if (val->IsNull()) {
74 *out = mojo::js::HandleWrapper::Create(isolate, MOJO_HANDLE_INVALID); 89 *out = mojo::js::HandleWrapper::Create(isolate, MOJO_HANDLE_INVALID);
75 return true; 90 return true;
76 } 91 }
77 92
78 mojo::js::HandleWrapper* object = NULL; 93 mojo::js::HandleWrapper* object = NULL;
79 if (!Converter<mojo::js::HandleWrapper*>::FromV8(isolate, val, &object)) { 94 if (!Converter<mojo::js::HandleWrapper*>::FromV8(isolate, val, &object)) {
80 return false; 95 return false;
81 } 96 }
82 *out = gin::Handle<mojo::js::HandleWrapper>(val, object); 97 *out = gin::Handle<mojo::js::HandleWrapper>(val, object);
83 return true; 98 return true;
84 } 99 }
85 }; 100 };
86 101
87 } // namespace gin 102 } // namespace gin
88 103
89 #endif // MOJO_BINDINGS_JS_HANDLE_H_ 104 #endif // MOJO_BINDINGS_JS_HANDLE_H_
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