1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "core/inspector/InjectedScriptCanvasModule.h" 33 34 #include "bindings/core/v8/ScriptFunctionCall.h" 35 #include "bindings/core/v8/ScriptValue.h" 36 #include "public/platform/Platform.h" 37 #include "public/platform/WebData.h" 38 39 using blink::TypeBuilder::Array; 40 using blink::TypeBuilder::Canvas::ResourceId; 41 using blink::TypeBuilder::Canvas::ResourceState; 42 using blink::TypeBuilder::Canvas::TraceLog; 43 using blink::TypeBuilder::Canvas::TraceLogId; 44 using blink::TypeBuilder::Runtime::RemoteObject; 45 46 namespace blink { 47 48 InjectedScriptCanvasModule::InjectedScriptCanvasModule() 49 : InjectedScriptModule("InjectedScriptCanvasModule") 50 { 51 } 52 53 InjectedScriptCanvasModule InjectedScriptCanvasModule::moduleForState(InjectedScriptManager* injectedScriptManager, ScriptState* scriptState) 54 { 55 InjectedScriptCanvasModule result; 56 result.ensureInjected(injectedScriptManager, scriptState); 57 return result; 58 } 59 60 String InjectedScriptCanvasModule::source() const 61 { 62 const blink::WebData& canvasModuleSourceResource = blink::Platform::current()->loadResource("InjectedScriptCanvasModuleSource.js"); 63 return String(canvasModuleSourceResource.data(), canvasModuleSourceResource.size()); 64 } 65 66 ScriptValue InjectedScriptCanvasModule::wrapCanvas2DContext(const ScriptValue& context) 67 { 68 return callWrapContextFunction("wrapCanvas2DContext", context); 69 } 70 71 ScriptValue InjectedScriptCanvasModule::wrapWebGLContext(const ScriptValue& glContext) 72 { 73 return callWrapContextFunction("wrapWebGLContext", glContext); 74 } 75 76 ScriptValue InjectedScriptCanvasModule::callWrapContextFunction(const String& functionName, const ScriptValue& context) 77 { 78 ScriptFunctionCall function(injectedScriptObject(), functionName); 79 function.appendArgument(context); 80 bool hadException = false; 81 ScriptValue resultValue = callFunctionWithEvalEnabled(function, hadException); 82 if (hadException || resultValue.isEmpty() || !resultValue.isObject()) { 83 ASSERT_NOT_REACHED(); 84 return ScriptValue(); 85 } 86 return resultValue; 87 } 88 89 void InjectedScriptCanvasModule::markFrameEnd() 90 { 91 ScriptFunctionCall function(injectedScriptObject(), "markFrameEnd"); 92 RefPtr<JSONValue> resultValue; 93 makeCall(function, &resultValue); 94 ASSERT(resultValue); 95 } 96 97 void InjectedScriptCanvasModule::captureFrame(ErrorString* errorString, TraceLogId* traceLogId) 98 { 99 callStartCapturingFunction("captureFrame", errorString, traceLogId); 100 } 101 102 void InjectedScriptCanvasModule::startCapturing(ErrorString* errorString, TraceLogId* traceLogId) 103 { 104 callStartCapturingFunction("startCapturing", errorString, traceLogId); 105 } 106 107 void InjectedScriptCanvasModule::callStartCapturingFunction(const String& functionName, ErrorString* errorString, TraceLogId* traceLogId) 108 { 109 ScriptFunctionCall function(injectedScriptObject(), functionName); 110 RefPtr<JSONValue> resultValue; 111 makeCall(function, &resultValue); 112 if (!resultValue || resultValue->type() != JSONValue::TypeString || !resultValue->asString(traceLogId)) 113 *errorString = "Internal error: " + functionName; 114 } 115 116 void InjectedScriptCanvasModule::stopCapturing(ErrorString* errorString, const TraceLogId& traceLogId) 117 { 118 callVoidFunctionWithTraceLogIdArgument("stopCapturing", errorString, traceLogId); 119 } 120 121 void InjectedScriptCanvasModule::dropTraceLog(ErrorString* errorString, const TraceLogId& traceLogId) 122 { 123 callVoidFunctionWithTraceLogIdArgument("dropTraceLog", errorString, traceLogId); 124 } 125 126 void InjectedScriptCanvasModule::callVoidFunctionWithTraceLogIdArgument(const String& functionName, ErrorString* errorString, const TraceLogId& traceLogId) 127 { 128 ScriptFunctionCall function(injectedScriptObject(), functionName); 129 function.appendArgument(traceLogId); 130 bool hadException = false; 131 callFunctionWithEvalEnabled(function, hadException); 132 ASSERT(!hadException); 133 if (hadException) 134 *errorString = "Internal error: " + functionName; 135 } 136 137 void InjectedScriptCanvasModule::traceLog(ErrorString* errorString, const TraceLogId& traceLogId, const int* startOffset, const int* maxLength, RefPtr<TraceLog>* traceLog) 138 { 139 ScriptFunctionCall function(injectedScriptObject(), "traceLog"); 140 function.appendArgument(traceLogId); 141 if (startOffset) 142 function.appendArgument(*startOffset); 143 if (maxLength) 144 function.appendArgument(*maxLength); 145 RefPtr<JSONValue> resultValue; 146 makeCall(function, &resultValue); 147 if (!resultValue || resultValue->type() != JSONValue::TypeObject) { 148 if (!resultValue->asString(errorString)) 149 *errorString = "Internal error: traceLog"; 150 return; 151 } 152 *traceLog = TraceLog::runtimeCast(resultValue); 153 } 154 155 void InjectedScriptCanvasModule::replayTraceLog(ErrorString* errorString, const TraceLogId& traceLogId, int stepNo, RefPtr<ResourceState>* result, double* replayTime) 156 { 157 ScriptFunctionCall function(injectedScriptObject(), "replayTraceLog"); 158 function.appendArgument(traceLogId); 159 function.appendArgument(stepNo); 160 RefPtr<JSONValue> resultValue; 161 makeCall(function, &resultValue); 162 if (!resultValue || resultValue->type() != JSONValue::TypeObject) { 163 if (!resultValue->asString(errorString)) 164 *errorString = "Internal error: replayTraceLog"; 165 return; 166 } 167 RefPtr<JSONObject> resultObject = resultValue->asObject(); 168 RefPtr<JSONObject> resourceStateObject = resultObject->getObject("resourceState"); 169 if (!resourceStateObject) { 170 *errorString = "Internal error: replayTraceLog: no resourceState"; 171 return; 172 } 173 *result = ResourceState::runtimeCast(resourceStateObject); 174 if (!resultObject->getNumber("replayTime", replayTime)) 175 *errorString = "Internal error: replayTraceLog: no replayTime"; 176 } 177 178 void InjectedScriptCanvasModule::resourceState(ErrorString* errorString, const TraceLogId& traceLogId, const ResourceId& resourceId, RefPtr<ResourceState>* result) 179 { 180 ScriptFunctionCall function(injectedScriptObject(), "resourceState"); 181 function.appendArgument(traceLogId); 182 function.appendArgument(resourceId); 183 RefPtr<JSONValue> resultValue; 184 makeCall(function, &resultValue); 185 if (!resultValue || resultValue->type() != JSONValue::TypeObject) { 186 if (!resultValue->asString(errorString)) 187 *errorString = "Internal error: resourceState"; 188 return; 189 } 190 *result = ResourceState::runtimeCast(resultValue); 191 } 192 193 void InjectedScriptCanvasModule::evaluateTraceLogCallArgument(ErrorString* errorString, const TraceLogId& traceLogId, int callIndex, int argumentIndex, const String& objectGroup, RefPtr<RemoteObject>* result, RefPtr<ResourceState>* resourceState) 194 { 195 ScriptFunctionCall function(injectedScriptObject(), "evaluateTraceLogCallArgument"); 196 function.appendArgument(traceLogId); 197 function.appendArgument(callIndex); 198 function.appendArgument(argumentIndex); 199 function.appendArgument(objectGroup); 200 RefPtr<JSONValue> resultValue; 201 makeCall(function, &resultValue); 202 if (!resultValue || resultValue->type() != JSONValue::TypeObject) { 203 if (!resultValue->asString(errorString)) 204 *errorString = "Internal error: evaluateTraceLogCallArgument"; 205 return; 206 } 207 RefPtr<JSONObject> resultObject = resultValue->asObject(); 208 RefPtr<JSONObject> remoteObject = resultObject->getObject("result"); 209 if (remoteObject) 210 *result = RemoteObject::runtimeCast(remoteObject); 211 RefPtr<JSONObject> resourceStateObject = resultObject->getObject("resourceState"); 212 if (resourceStateObject) 213 *resourceState = ResourceState::runtimeCast(resourceStateObject); 214 if (!remoteObject && !resourceStateObject) 215 *errorString = "Internal error: no result and no resource state"; 216 } 217 218 } // namespace blink 219