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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 #include "bindings/core/v8/PrivateScriptRunner.h" | 5 #include "bindings/core/v8/PrivateScriptRunner.h" |
6 | 6 |
7 #include "bindings/core/v8/DOMWrapperWorld.h" | 7 #include "bindings/core/v8/DOMWrapperWorld.h" |
8 #include "bindings/core/v8/ExceptionState.h" | 8 #include "bindings/core/v8/ExceptionState.h" |
9 #include "bindings/core/v8/V8Binding.h" | 9 #include "bindings/core/v8/V8Binding.h" |
10 #include "bindings/core/v8/V8PerContextData.h" | 10 #include "bindings/core/v8/V8PerContextData.h" |
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193 v8::Local<v8::Context> context = scriptState->context(); | 193 v8::Local<v8::Context> context = scriptState->context(); |
194 auto privateIsInitialized = V8PrivateProperty::getPrivateScriptRunnerIsIniti
alized(isolate); | 194 auto privateIsInitialized = V8PrivateProperty::getPrivateScriptRunnerIsIniti
alized(isolate); |
195 if (privateIsInitialized.hasValue(context, holderObject)) | 195 if (privateIsInitialized.hasValue(context, holderObject)) |
196 return; // Already initialized. | 196 return; // Already initialized. |
197 | 197 |
198 v8::TryCatch block(isolate); | 198 v8::TryCatch block(isolate); |
199 v8::Local<v8::Value> initializeFunction; | 199 v8::Local<v8::Value> initializeFunction; |
200 if (classObject->Get(scriptState->context(), v8String(isolate, "initialize")
).ToLocal(&initializeFunction) && initializeFunction->IsFunction()) { | 200 if (classObject->Get(scriptState->context(), v8String(isolate, "initialize")
).ToLocal(&initializeFunction) && initializeFunction->IsFunction()) { |
201 v8::TryCatch block(isolate); | 201 v8::TryCatch block(isolate); |
202 v8::Local<v8::Value> result; | 202 v8::Local<v8::Value> result; |
203 if (!V8ScriptRunner::callFunction(v8::Local<v8::Function>::Cast(initiali
zeFunction), scriptState->getExecutionContext(), holder, 0, 0, isolate).ToLocal(
&result)) { | 203 if (!V8ScriptRunner::callInternalFunction(v8::Local<v8::Function>::Cast(
initializeFunction), holder, 0, 0, isolate).ToLocal(&result)) { |
204 fprintf(stderr, "Private script error: Object constructor threw an e
xception.\n"); | 204 fprintf(stderr, "Private script error: Object constructor threw an e
xception.\n"); |
205 dumpV8Message(context, block.Message()); | 205 dumpV8Message(context, block.Message()); |
206 RELEASE_NOTREACHED(); | 206 RELEASE_NOTREACHED(); |
207 } | 207 } |
208 } | 208 } |
209 | 209 |
210 // Inject the prototype object of the private script into the prototype chai
n of the holder object. | 210 // Inject the prototype object of the private script into the prototype chai
n of the holder object. |
211 // This is necessary to let the holder object use properties defined on the
prototype object | 211 // This is necessary to let the holder object use properties defined on the
prototype object |
212 // of the private script. (e.g., if the prototype object has |foo|, the hold
er object should be able | 212 // of the private script. (e.g., if the prototype object has |foo|, the hold
er object should be able |
213 // to use it with |this.foo|.) | 213 // to use it with |this.foo|.) |
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298 RELEASE_NOTREACHED(); | 298 RELEASE_NOTREACHED(); |
299 } | 299 } |
300 v8::Local<v8::Value> getter; | 300 v8::Local<v8::Value> getter; |
301 if (!v8::Local<v8::Object>::Cast(descriptor)->Get(scriptState->context(), v8
String(isolate, "get")).ToLocal(&getter) || !getter->IsFunction()) { | 301 if (!v8::Local<v8::Object>::Cast(descriptor)->Get(scriptState->context(), v8
String(isolate, "get")).ToLocal(&getter) || !getter->IsFunction()) { |
302 fprintf(stderr, "Private script error: Target DOM attribute getter was n
ot found. (Class name = %s, Attribute name = %s)\n", className, attributeName); | 302 fprintf(stderr, "Private script error: Target DOM attribute getter was n
ot found. (Class name = %s, Attribute name = %s)\n", className, attributeName); |
303 RELEASE_NOTREACHED(); | 303 RELEASE_NOTREACHED(); |
304 } | 304 } |
305 initializeHolderIfNeeded(scriptState, classObject, holder); | 305 initializeHolderIfNeeded(scriptState, classObject, holder); |
306 v8::TryCatch block(isolate); | 306 v8::TryCatch block(isolate); |
307 v8::Local<v8::Value> result; | 307 v8::Local<v8::Value> result; |
308 if (!V8ScriptRunner::callFunction(v8::Local<v8::Function>::Cast(getter), scr
iptState->getExecutionContext(), holder, 0, 0, isolate).ToLocal(&result)) { | 308 if (!V8ScriptRunner::callInternalFunction(v8::Local<v8::Function>::Cast(gett
er), holder, 0, 0, isolate).ToLocal(&result)) { |
309 rethrowExceptionInPrivateScript(isolate, block, scriptStateInUserScript,
ExceptionState::GetterContext, attributeName, className); | 309 rethrowExceptionInPrivateScript(isolate, block, scriptStateInUserScript,
ExceptionState::GetterContext, attributeName, className); |
310 block.ReThrow(); | 310 block.ReThrow(); |
311 return v8::Local<v8::Value>(); | 311 return v8::Local<v8::Value>(); |
312 } | 312 } |
313 return result; | 313 return result; |
314 } | 314 } |
315 | 315 |
316 bool PrivateScriptRunner::runDOMAttributeSetter(ScriptState* scriptState, Script
State* scriptStateInUserScript, const char* className, const char* attributeName
, v8::Local<v8::Value> holder, v8::Local<v8::Value> v8Value) | 316 bool PrivateScriptRunner::runDOMAttributeSetter(ScriptState* scriptState, Script
State* scriptStateInUserScript, const char* className, const char* attributeName
, v8::Local<v8::Value> holder, v8::Local<v8::Value> v8Value) |
317 { | 317 { |
318 v8::Isolate* isolate = scriptState->isolate(); | 318 v8::Isolate* isolate = scriptState->isolate(); |
319 v8::Local<v8::Object> classObject = classObjectOfPrivateScript(scriptState,
className); | 319 v8::Local<v8::Object> classObject = classObjectOfPrivateScript(scriptState,
className); |
320 v8::Local<v8::Value> descriptor; | 320 v8::Local<v8::Value> descriptor; |
321 if (!classObject->GetOwnPropertyDescriptor(scriptState->context(), v8String(
isolate, attributeName)).ToLocal(&descriptor) || !descriptor->IsObject()) { | 321 if (!classObject->GetOwnPropertyDescriptor(scriptState->context(), v8String(
isolate, attributeName)).ToLocal(&descriptor) || !descriptor->IsObject()) { |
322 fprintf(stderr, "Private script error: Target DOM attribute setter was n
ot found. (Class name = %s, Attribute name = %s)\n", className, attributeName); | 322 fprintf(stderr, "Private script error: Target DOM attribute setter was n
ot found. (Class name = %s, Attribute name = %s)\n", className, attributeName); |
323 RELEASE_NOTREACHED(); | 323 RELEASE_NOTREACHED(); |
324 } | 324 } |
325 v8::Local<v8::Value> setter; | 325 v8::Local<v8::Value> setter; |
326 if (!v8::Local<v8::Object>::Cast(descriptor)->Get(scriptState->context(), v8
String(isolate, "set")).ToLocal(&setter) || !setter->IsFunction()) { | 326 if (!v8::Local<v8::Object>::Cast(descriptor)->Get(scriptState->context(), v8
String(isolate, "set")).ToLocal(&setter) || !setter->IsFunction()) { |
327 fprintf(stderr, "Private script error: Target DOM attribute setter was n
ot found. (Class name = %s, Attribute name = %s)\n", className, attributeName); | 327 fprintf(stderr, "Private script error: Target DOM attribute setter was n
ot found. (Class name = %s, Attribute name = %s)\n", className, attributeName); |
328 RELEASE_NOTREACHED(); | 328 RELEASE_NOTREACHED(); |
329 } | 329 } |
330 initializeHolderIfNeeded(scriptState, classObject, holder); | 330 initializeHolderIfNeeded(scriptState, classObject, holder); |
331 v8::Local<v8::Value> argv[] = { v8Value }; | 331 v8::Local<v8::Value> argv[] = { v8Value }; |
332 v8::TryCatch block(isolate); | 332 v8::TryCatch block(isolate); |
333 v8::Local<v8::Value> result; | 333 v8::Local<v8::Value> result; |
334 if (!V8ScriptRunner::callFunction(v8::Local<v8::Function>::Cast(setter), scr
iptState->getExecutionContext(), holder, WTF_ARRAY_LENGTH(argv), argv, isolate).
ToLocal(&result)) { | 334 if (!V8ScriptRunner::callInternalFunction(v8::Local<v8::Function>::Cast(sett
er), holder, WTF_ARRAY_LENGTH(argv), argv, isolate).ToLocal(&result)) { |
335 rethrowExceptionInPrivateScript(isolate, block, scriptStateInUserScript,
ExceptionState::SetterContext, attributeName, className); | 335 rethrowExceptionInPrivateScript(isolate, block, scriptStateInUserScript,
ExceptionState::SetterContext, attributeName, className); |
336 block.ReThrow(); | 336 block.ReThrow(); |
337 return false; | 337 return false; |
338 } | 338 } |
339 return true; | 339 return true; |
340 } | 340 } |
341 | 341 |
342 v8::Local<v8::Value> PrivateScriptRunner::runDOMMethod(ScriptState* scriptState,
ScriptState* scriptStateInUserScript, const char* className, const char* method
Name, v8::Local<v8::Value> holder, int argc, v8::Local<v8::Value> argv[]) | 342 v8::Local<v8::Value> PrivateScriptRunner::runDOMMethod(ScriptState* scriptState,
ScriptState* scriptStateInUserScript, const char* className, const char* method
Name, v8::Local<v8::Value> holder, int argc, v8::Local<v8::Value> argv[]) |
343 { | 343 { |
344 v8::Local<v8::Object> classObject = classObjectOfPrivateScript(scriptState,
className); | 344 v8::Local<v8::Object> classObject = classObjectOfPrivateScript(scriptState,
className); |
345 v8::Local<v8::Value> method; | 345 v8::Local<v8::Value> method; |
346 if (!classObject->Get(scriptState->context(), v8String(scriptState->isolate(
), methodName)).ToLocal(&method) || !method->IsFunction()) { | 346 if (!classObject->Get(scriptState->context(), v8String(scriptState->isolate(
), methodName)).ToLocal(&method) || !method->IsFunction()) { |
347 fprintf(stderr, "Private script error: Target DOM method was not found.
(Class name = %s, Method name = %s)\n", className, methodName); | 347 fprintf(stderr, "Private script error: Target DOM method was not found.
(Class name = %s, Method name = %s)\n", className, methodName); |
348 RELEASE_NOTREACHED(); | 348 RELEASE_NOTREACHED(); |
349 } | 349 } |
350 initializeHolderIfNeeded(scriptState, classObject, holder); | 350 initializeHolderIfNeeded(scriptState, classObject, holder); |
351 v8::TryCatch block(scriptState->isolate()); | 351 v8::TryCatch block(scriptState->isolate()); |
352 v8::Local<v8::Value> result; | 352 v8::Local<v8::Value> result; |
353 if (!V8ScriptRunner::callFunction(v8::Local<v8::Function>::Cast(method), scr
iptState->getExecutionContext(), holder, argc, argv, scriptState->isolate()).ToL
ocal(&result)) { | 353 if (!V8ScriptRunner::callInternalFunction(v8::Local<v8::Function>::Cast(meth
od), holder, argc, argv, scriptState->isolate()).ToLocal(&result)) { |
354 rethrowExceptionInPrivateScript(scriptState->isolate(), block, scriptSta
teInUserScript, ExceptionState::ExecutionContext, methodName, className); | 354 rethrowExceptionInPrivateScript(scriptState->isolate(), block, scriptSta
teInUserScript, ExceptionState::ExecutionContext, methodName, className); |
355 block.ReThrow(); | 355 block.ReThrow(); |
356 return v8::Local<v8::Value>(); | 356 return v8::Local<v8::Value>(); |
357 } | 357 } |
358 return result; | 358 return result; |
359 } | 359 } |
360 | 360 |
361 } // namespace blink | 361 } // namespace blink |
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