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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 70 // Now when calling into a WebKit API that requires a WebCallbacks<blink::WebMyC
lass, blink::WebMyClass>*: | 70 // Now when calling into a WebKit API that requires a WebCallbacks<blink::WebMyC
lass, blink::WebMyClass>*: |
| 71 // | 71 // |
| 72 // // call signature: callSomeMethod(WebCallbacks<MyClass, MyClass>* callback
s) | 72 // // call signature: callSomeMethod(WebCallbacks<MyClass, MyClass>* callback
s) |
| 73 // webObject->callSomeMethod(new CallbackPromiseAdapter<MyClass, MyClass>(res
olver, scriptExecutionContext)); | 73 // webObject->callSomeMethod(new CallbackPromiseAdapter<MyClass, MyClass>(res
olver, scriptExecutionContext)); |
| 74 // | 74 // |
| 75 // Note that this class does not manage its own lifetime. In this | 75 // Note that this class does not manage its own lifetime. In this |
| 76 // example that ownership of the WebCallbacks instance is being passed | 76 // example that ownership of the WebCallbacks instance is being passed |
| 77 // in and it is up to the callee to free the WebCallbacks instace. | 77 // in and it is up to the callee to free the WebCallbacks instace. |
| 78 template<typename S, typename T> | 78 template<typename S, typename T> |
| 79 class CallbackPromiseAdapter final : public blink::WebCallbacks<typename S::WebT
ype, typename T::WebType> { | 79 class CallbackPromiseAdapter final : public blink::WebCallbacks<typename S::WebT
ype, typename T::WebType> { |
| 80 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); |
| 80 public: | 81 public: |
| 81 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) | 82 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) |
| 82 : m_resolver(resolver) | 83 : m_resolver(resolver) |
| 83 { | 84 { |
| 84 ASSERT(m_resolver); | 85 ASSERT(m_resolver); |
| 85 } | 86 } |
| 86 virtual ~CallbackPromiseAdapter() { } | 87 virtual ~CallbackPromiseAdapter() { } |
| 87 | 88 |
| 88 virtual void onSuccess(typename S::WebType* result) override | 89 virtual void onSuccess(typename S::WebType* result) override |
| 89 { | 90 { |
| 90 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { | 91 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { |
| 91 S::dispose(result); | 92 S::dispose(result); |
| 92 return; | 93 return; |
| 93 } | 94 } |
| 94 m_resolver->resolve(S::take(m_resolver.get(), result)); | 95 m_resolver->resolve(S::take(m_resolver.get(), result)); |
| 95 } | 96 } |
| 96 | 97 |
| 97 virtual void onError(typename T::WebType* error) override | 98 virtual void onError(typename T::WebType* error) override |
| 98 { | 99 { |
| 99 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { | 100 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { |
| 100 T::dispose(error); | 101 T::dispose(error); |
| 101 return; | 102 return; |
| 102 } | 103 } |
| 103 m_resolver->reject(T::take(m_resolver.get(), error)); | 104 m_resolver->reject(T::take(m_resolver.get(), error)); |
| 104 } | 105 } |
| 105 | 106 |
| 106 private: | 107 private: |
| 107 RefPtr<ScriptPromiseResolver> m_resolver; | 108 RefPtr<ScriptPromiseResolver> m_resolver; |
| 108 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); | |
| 109 }; | 109 }; |
| 110 | 110 |
| 111 template<typename T> | 111 template<typename T> |
| 112 class CallbackPromiseAdapter<void, T> final : public blink::WebCallbacks<void, t
ypename T::WebType> { | 112 class CallbackPromiseAdapter<void, T> final : public blink::WebCallbacks<void, t
ypename T::WebType> { |
| 113 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); |
| 113 public: | 114 public: |
| 114 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) | 115 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) |
| 115 : m_resolver(resolver) | 116 : m_resolver(resolver) |
| 116 { | 117 { |
| 117 ASSERT(m_resolver); | 118 ASSERT(m_resolver); |
| 118 } | 119 } |
| 119 virtual ~CallbackPromiseAdapter() { } | 120 virtual ~CallbackPromiseAdapter() { } |
| 120 | 121 |
| 121 virtual void onSuccess() override | 122 virtual void onSuccess() override |
| 122 { | 123 { |
| 123 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) | 124 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) |
| 124 return; | 125 return; |
| 125 m_resolver->resolve(); | 126 m_resolver->resolve(); |
| 126 } | 127 } |
| 127 | 128 |
| 128 virtual void onError(typename T::WebType* error) override | 129 virtual void onError(typename T::WebType* error) override |
| 129 { | 130 { |
| 130 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { | 131 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { |
| 131 T::dispose(error); | 132 T::dispose(error); |
| 132 return; | 133 return; |
| 133 } | 134 } |
| 134 m_resolver->reject(T::take(m_resolver.get(), error)); | 135 m_resolver->reject(T::take(m_resolver.get(), error)); |
| 135 } | 136 } |
| 136 | 137 |
| 137 private: | 138 private: |
| 138 RefPtr<ScriptPromiseResolver> m_resolver; | 139 RefPtr<ScriptPromiseResolver> m_resolver; |
| 139 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); | |
| 140 }; | 140 }; |
| 141 | 141 |
| 142 template<typename T> | 142 template<typename T> |
| 143 class CallbackPromiseAdapter<bool, T> final : public blink::WebCallbacks<bool, t
ypename T::WebType> { | 143 class CallbackPromiseAdapter<bool, T> final : public blink::WebCallbacks<bool, t
ypename T::WebType> { |
| 144 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); |
| 144 public: | 145 public: |
| 145 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) | 146 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) |
| 146 : m_resolver(resolver) | 147 : m_resolver(resolver) |
| 147 { | 148 { |
| 148 ASSERT(m_resolver); | 149 ASSERT(m_resolver); |
| 149 } | 150 } |
| 150 virtual ~CallbackPromiseAdapter() { } | 151 virtual ~CallbackPromiseAdapter() { } |
| 151 | 152 |
| 152 virtual void onSuccess(bool* result) override | 153 virtual void onSuccess(bool* result) override |
| 153 { | 154 { |
| 154 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) | 155 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) |
| 155 return; | 156 return; |
| 156 m_resolver->resolve(*result); | 157 m_resolver->resolve(*result); |
| 157 } | 158 } |
| 158 | 159 |
| 159 virtual void onError(typename T::WebType* error) override | 160 virtual void onError(typename T::WebType* error) override |
| 160 { | 161 { |
| 161 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { | 162 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { |
| 162 T::dispose(error); | 163 T::dispose(error); |
| 163 return; | 164 return; |
| 164 } | 165 } |
| 165 m_resolver->reject(T::take(m_resolver.get(), error)); | 166 m_resolver->reject(T::take(m_resolver.get(), error)); |
| 166 } | 167 } |
| 167 | 168 |
| 168 private: | 169 private: |
| 169 RefPtr<ScriptPromiseResolver> m_resolver; | 170 RefPtr<ScriptPromiseResolver> m_resolver; |
| 170 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); | |
| 171 }; | 171 }; |
| 172 | 172 |
| 173 template<> | 173 template<> |
| 174 class CallbackPromiseAdapter<void, void> final : public blink::WebCallbacks<void
, void> { | 174 class CallbackPromiseAdapter<void, void> final : public blink::WebCallbacks<void
, void> { |
| 175 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); |
| 175 public: | 176 public: |
| 176 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) | 177 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) |
| 177 : m_resolver(resolver) | 178 : m_resolver(resolver) |
| 178 { | 179 { |
| 179 ASSERT(m_resolver); | 180 ASSERT(m_resolver); |
| 180 } | 181 } |
| 181 virtual ~CallbackPromiseAdapter() { } | 182 virtual ~CallbackPromiseAdapter() { } |
| 182 | 183 |
| 183 virtual void onSuccess() override | 184 virtual void onSuccess() override |
| 184 { | 185 { |
| 185 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) | 186 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) |
| 186 return; | 187 return; |
| 187 m_resolver->resolve(); | 188 m_resolver->resolve(); |
| 188 } | 189 } |
| 189 | 190 |
| 190 virtual void onError() override | 191 virtual void onError() override |
| 191 { | 192 { |
| 192 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) | 193 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) |
| 193 return; | 194 return; |
| 194 m_resolver->reject(); | 195 m_resolver->reject(); |
| 195 } | 196 } |
| 196 | 197 |
| 197 private: | 198 private: |
| 198 RefPtr<ScriptPromiseResolver> m_resolver; | 199 RefPtr<ScriptPromiseResolver> m_resolver; |
| 200 }; |
| 201 |
| 202 template<> |
| 203 class CallbackPromiseAdapter<bool, void> final : public blink::WebCallbacks<bool
, void> { |
| 199 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); | 204 WTF_MAKE_NONCOPYABLE(CallbackPromiseAdapter); |
| 205 public: |
| 206 explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver) |
| 207 : m_resolver(resolver) |
| 208 { |
| 209 ASSERT(m_resolver); |
| 210 } |
| 211 virtual ~CallbackPromiseAdapter() { } |
| 212 |
| 213 virtual void onSuccess(bool* result) override |
| 214 { |
| 215 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) |
| 216 return; |
| 217 m_resolver->resolve(*result); |
| 218 } |
| 219 |
| 220 virtual void onError() override |
| 221 { |
| 222 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) |
| 223 return; |
| 224 m_resolver->reject(); |
| 225 } |
| 226 |
| 227 private: |
| 228 RefPtr<ScriptPromiseResolver> m_resolver; |
| 200 }; | 229 }; |
| 201 | 230 |
| 202 } // namespace blink | 231 } // namespace blink |
| 203 | 232 |
| 204 #endif | 233 #endif |
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