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| 1 /* | |
| 2 * Copyright (C) 2007-2009 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 "sky/engine/config.h" | |
| 32 #include "sky/engine/bindings/core/v8/ScheduledAction.h" | |
| 33 | |
| 34 #include "sky/engine/bindings/core/v8/ScriptController.h" | |
| 35 #include "sky/engine/bindings/core/v8/ScriptSourceCode.h" | |
| 36 #include "sky/engine/bindings/core/v8/V8Binding.h" | |
| 37 #include "sky/engine/bindings/core/v8/V8GCController.h" | |
| 38 #include "sky/engine/bindings/core/v8/V8ScriptRunner.h" | |
| 39 #include "sky/engine/core/dom/Document.h" | |
| 40 #include "sky/engine/core/dom/ExecutionContext.h" | |
| 41 #include "sky/engine/core/frame/LocalFrame.h" | |
| 42 #include "sky/engine/platform/Logging.h" | |
| 43 #include "sky/engine/platform/TraceEvent.h" | |
| 44 | |
| 45 namespace blink { | |
| 46 | |
| 47 ScheduledAction::ScheduledAction(ScriptState* scriptState, v8::Handle<v8::Functi
on> function, int argc, v8::Handle<v8::Value> argv[], v8::Isolate* isolate) | |
| 48 : m_scriptState(scriptState) | |
| 49 , m_function(isolate, function) | |
| 50 , m_info(isolate) | |
| 51 , m_code(String(), KURL(), TextPosition::belowRangePosition()) | |
| 52 { | |
| 53 m_info.ReserveCapacity(argc); | |
| 54 for (int i = 0; i < argc; ++i) | |
| 55 m_info.Append(argv[i]); | |
| 56 } | |
| 57 | |
| 58 ScheduledAction::ScheduledAction(ScriptState* scriptState, const String& code, c
onst KURL& url, v8::Isolate* isolate) | |
| 59 : m_scriptState(scriptState) | |
| 60 , m_info(isolate) | |
| 61 , m_code(code, url) | |
| 62 { | |
| 63 } | |
| 64 | |
| 65 ScheduledAction::~ScheduledAction() | |
| 66 { | |
| 67 } | |
| 68 | |
| 69 void ScheduledAction::execute(ExecutionContext* context) | |
| 70 { | |
| 71 LocalFrame* frame = toDocument(context)->frame(); | |
| 72 if (!frame) { | |
| 73 WTF_LOG(Timers, "ScheduledAction::execute %p: no frame", this); | |
| 74 return; | |
| 75 } | |
| 76 execute(frame); | |
| 77 } | |
| 78 | |
| 79 void ScheduledAction::execute(LocalFrame* frame) | |
| 80 { | |
| 81 if (m_scriptState->contextIsEmpty()) { | |
| 82 WTF_LOG(Timers, "ScheduledAction::execute %p: context is empty", this); | |
| 83 return; | |
| 84 } | |
| 85 | |
| 86 TRACE_EVENT0("v8", "ScheduledAction::execute"); | |
| 87 ScriptState::Scope scope(m_scriptState.get()); | |
| 88 if (!m_function.isEmpty()) { | |
| 89 WTF_LOG(Timers, "ScheduledAction::execute %p: have function", this); | |
| 90 Vector<v8::Handle<v8::Value> > info; | |
| 91 createLocalHandlesForArgs(&info); | |
| 92 frame->script().callFunction(m_function.newLocal(m_scriptState->isolate(
)), m_scriptState->context()->Global(), info.size(), info.data()); | |
| 93 } else { | |
| 94 WTF_LOG(Timers, "ScheduledAction::execute %p: executing from source", th
is); | |
| 95 frame->script().executeScriptAndReturnValue(m_scriptState->context(), Sc
riptSourceCode(m_code)); | |
| 96 } | |
| 97 | |
| 98 // The frame might be invalid at this point because JavaScript could have re
leased it. | |
| 99 } | |
| 100 | |
| 101 void ScheduledAction::createLocalHandlesForArgs(Vector<v8::Handle<v8::Value> >*
handles) | |
| 102 { | |
| 103 handles->reserveCapacity(m_info.Size()); | |
| 104 for (size_t i = 0; i < m_info.Size(); ++i) | |
| 105 handles->append(m_info.Get(i)); | |
| 106 } | |
| 107 | |
| 108 } // namespace blink | |
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