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 "InjectedScriptCanvasModuleSource.h"
35 #include "bindings/v8/ScriptFunctionCall.h"
36 #include "bindings/v8/ScriptObject.h"
37
38 using WebCore::TypeBuilder::Array;
39 using WebCore::TypeBuilder::Canvas::ResourceId;
40 using WebCore::TypeBuilder::Canvas::ResourceState;
41 using WebCore::TypeBuilder::Canvas::TraceLog;
42 using WebCore::TypeBuilder::Canvas::TraceLogId;
43 using WebCore::TypeBuilder::Runtime::RemoteObject;
44
45 namespace WebCore {
46
InjectedScriptCanvasModule()47 InjectedScriptCanvasModule::InjectedScriptCanvasModule()
48 : InjectedScriptModule("InjectedScriptCanvasModule")
49 {
50 }
51
moduleForState(InjectedScriptManager * injectedScriptManager,ScriptState * scriptState)52 InjectedScriptCanvasModule InjectedScriptCanvasModule::moduleForState(InjectedScriptManager* injectedScriptManager, ScriptState* scriptState)
53 {
54 InjectedScriptCanvasModule result;
55 result.ensureInjected(injectedScriptManager, scriptState);
56 return result;
57 }
58
source() const59 String InjectedScriptCanvasModule::source() const
60 {
61 return String(reinterpret_cast<const char*>(InjectedScriptCanvasModuleSource_js), sizeof(InjectedScriptCanvasModuleSource_js));
62 }
63
wrapCanvas2DContext(const ScriptObject & context)64 ScriptObject InjectedScriptCanvasModule::wrapCanvas2DContext(const ScriptObject& context)
65 {
66 return callWrapContextFunction("wrapCanvas2DContext", context);
67 }
68
wrapWebGLContext(const ScriptObject & glContext)69 ScriptObject InjectedScriptCanvasModule::wrapWebGLContext(const ScriptObject& glContext)
70 {
71 return callWrapContextFunction("wrapWebGLContext", glContext);
72 }
73
callWrapContextFunction(const String & functionName,const ScriptObject & context)74 ScriptObject InjectedScriptCanvasModule::callWrapContextFunction(const String& functionName, const ScriptObject& context)
75 {
76 ScriptFunctionCall function(injectedScriptObject(), functionName);
77 function.appendArgument(context);
78 bool hadException = false;
79 ScriptValue resultValue = callFunctionWithEvalEnabled(function, hadException);
80 if (hadException || resultValue.hasNoValue() || !resultValue.isObject()) {
81 ASSERT_NOT_REACHED();
82 return ScriptObject();
83 }
84 return ScriptObject(context.scriptState(), resultValue);
85 }
86
markFrameEnd()87 void InjectedScriptCanvasModule::markFrameEnd()
88 {
89 ScriptFunctionCall function(injectedScriptObject(), "markFrameEnd");
90 RefPtr<JSONValue> resultValue;
91 makeCall(function, &resultValue);
92 ASSERT(resultValue);
93 }
94
captureFrame(ErrorString * errorString,TraceLogId * traceLogId)95 void InjectedScriptCanvasModule::captureFrame(ErrorString* errorString, TraceLogId* traceLogId)
96 {
97 callStartCapturingFunction("captureFrame", errorString, traceLogId);
98 }
99
startCapturing(ErrorString * errorString,TraceLogId * traceLogId)100 void InjectedScriptCanvasModule::startCapturing(ErrorString* errorString, TraceLogId* traceLogId)
101 {
102 callStartCapturingFunction("startCapturing", errorString, traceLogId);
103 }
104
callStartCapturingFunction(const String & functionName,ErrorString * errorString,TraceLogId * traceLogId)105 void InjectedScriptCanvasModule::callStartCapturingFunction(const String& functionName, ErrorString* errorString, TraceLogId* traceLogId)
106 {
107 ScriptFunctionCall function(injectedScriptObject(), functionName);
108 RefPtr<JSONValue> resultValue;
109 makeCall(function, &resultValue);
110 if (!resultValue || resultValue->type() != JSONValue::TypeString || !resultValue->asString(traceLogId))
111 *errorString = "Internal error: " + functionName;
112 }
113
stopCapturing(ErrorString * errorString,const TraceLogId & traceLogId)114 void InjectedScriptCanvasModule::stopCapturing(ErrorString* errorString, const TraceLogId& traceLogId)
115 {
116 callVoidFunctionWithTraceLogIdArgument("stopCapturing", errorString, traceLogId);
117 }
118
dropTraceLog(ErrorString * errorString,const TraceLogId & traceLogId)119 void InjectedScriptCanvasModule::dropTraceLog(ErrorString* errorString, const TraceLogId& traceLogId)
120 {
121 callVoidFunctionWithTraceLogIdArgument("dropTraceLog", errorString, traceLogId);
122 }
123
callVoidFunctionWithTraceLogIdArgument(const String & functionName,ErrorString * errorString,const TraceLogId & traceLogId)124 void InjectedScriptCanvasModule::callVoidFunctionWithTraceLogIdArgument(const String& functionName, ErrorString* errorString, const TraceLogId& traceLogId)
125 {
126 ScriptFunctionCall function(injectedScriptObject(), functionName);
127 function.appendArgument(traceLogId);
128 bool hadException = false;
129 callFunctionWithEvalEnabled(function, hadException);
130 ASSERT(!hadException);
131 if (hadException)
132 *errorString = "Internal error: " + functionName;
133 }
134
traceLog(ErrorString * errorString,const TraceLogId & traceLogId,const int * startOffset,const int * maxLength,RefPtr<TraceLog> * traceLog)135 void InjectedScriptCanvasModule::traceLog(ErrorString* errorString, const TraceLogId& traceLogId, const int* startOffset, const int* maxLength, RefPtr<TraceLog>* traceLog)
136 {
137 ScriptFunctionCall function(injectedScriptObject(), "traceLog");
138 function.appendArgument(traceLogId);
139 if (startOffset)
140 function.appendArgument(*startOffset);
141 if (maxLength)
142 function.appendArgument(*maxLength);
143 RefPtr<JSONValue> resultValue;
144 makeCall(function, &resultValue);
145 if (!resultValue || resultValue->type() != JSONValue::TypeObject) {
146 if (!resultValue->asString(errorString))
147 *errorString = "Internal error: traceLog";
148 return;
149 }
150 *traceLog = TraceLog::runtimeCast(resultValue);
151 }
152
replayTraceLog(ErrorString * errorString,const TraceLogId & traceLogId,int stepNo,RefPtr<ResourceState> * result,double * replayTime)153 void InjectedScriptCanvasModule::replayTraceLog(ErrorString* errorString, const TraceLogId& traceLogId, int stepNo, RefPtr<ResourceState>* result, double* replayTime)
154 {
155 ScriptFunctionCall function(injectedScriptObject(), "replayTraceLog");
156 function.appendArgument(traceLogId);
157 function.appendArgument(stepNo);
158 RefPtr<JSONValue> resultValue;
159 makeCall(function, &resultValue);
160 if (!resultValue || resultValue->type() != JSONValue::TypeObject) {
161 if (!resultValue->asString(errorString))
162 *errorString = "Internal error: replayTraceLog";
163 return;
164 }
165 RefPtr<JSONObject> resultObject = resultValue->asObject();
166 RefPtr<JSONObject> resourceStateObject = resultObject->getObject("resourceState");
167 if (!resourceStateObject) {
168 *errorString = "Internal error: replayTraceLog: no resourceState";
169 return;
170 }
171 *result = ResourceState::runtimeCast(resourceStateObject);
172 if (!resultObject->getNumber("replayTime", replayTime))
173 *errorString = "Internal error: replayTraceLog: no replayTime";
174 }
175
resourceState(ErrorString * errorString,const TraceLogId & traceLogId,const ResourceId & resourceId,RefPtr<ResourceState> * result)176 void InjectedScriptCanvasModule::resourceState(ErrorString* errorString, const TraceLogId& traceLogId, const ResourceId& resourceId, RefPtr<ResourceState>* result)
177 {
178 ScriptFunctionCall function(injectedScriptObject(), "resourceState");
179 function.appendArgument(traceLogId);
180 function.appendArgument(resourceId);
181 RefPtr<JSONValue> resultValue;
182 makeCall(function, &resultValue);
183 if (!resultValue || resultValue->type() != JSONValue::TypeObject) {
184 if (!resultValue->asString(errorString))
185 *errorString = "Internal error: resourceState";
186 return;
187 }
188 *result = ResourceState::runtimeCast(resultValue);
189 }
190
evaluateTraceLogCallArgument(ErrorString * errorString,const TraceLogId & traceLogId,int callIndex,int argumentIndex,const String & objectGroup,RefPtr<RemoteObject> * result,RefPtr<ResourceState> * resourceState)191 void InjectedScriptCanvasModule::evaluateTraceLogCallArgument(ErrorString* errorString, const TraceLogId& traceLogId, int callIndex, int argumentIndex, const String& objectGroup, RefPtr<RemoteObject>* result, RefPtr<ResourceState>* resourceState)
192 {
193 ScriptFunctionCall function(injectedScriptObject(), "evaluateTraceLogCallArgument");
194 function.appendArgument(traceLogId);
195 function.appendArgument(callIndex);
196 function.appendArgument(argumentIndex);
197 function.appendArgument(objectGroup);
198 RefPtr<JSONValue> resultValue;
199 makeCall(function, &resultValue);
200 if (!resultValue || resultValue->type() != JSONValue::TypeObject) {
201 if (!resultValue->asString(errorString))
202 *errorString = "Internal error: evaluateTraceLogCallArgument";
203 return;
204 }
205 RefPtr<JSONObject> resultObject = resultValue->asObject();
206 RefPtr<JSONObject> remoteObject = resultObject->getObject("result");
207 if (remoteObject)
208 *result = RemoteObject::runtimeCast(remoteObject);
209 RefPtr<JSONObject> resourceStateObject = resultObject->getObject("resourceState");
210 if (resourceStateObject)
211 *resourceState = ResourceState::runtimeCast(resourceStateObject);
212 if (!remoteObject && !resourceStateObject)
213 *errorString = "Internal error: no result and no resource state";
214 }
215
216 } // namespace WebCore
217