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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_PAUSABLE_SCRIPT_EXECUTOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_PAUSABLE_SCRIPT_EXECUTOR_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/bindings/dom_wrapper_world.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cancellable_task.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "v8/include/v8.h"
namespace blink {
class LocalFrame;
class ScriptSourceCode;
class ScriptState;
class WebScriptExecutionCallback;
class CORE_EXPORT PausableScriptExecutor final
: public GarbageCollectedFinalized<PausableScriptExecutor>,
public ContextLifecycleObserver {
USING_GARBAGE_COLLECTED_MIXIN(PausableScriptExecutor);
public:
enum BlockingOption { kNonBlocking, kOnloadBlocking };
static PausableScriptExecutor* Create(
LocalFrame*,
scoped_refptr<DOMWrapperWorld>,
const HeapVector<ScriptSourceCode>& sources,
bool user_gesture,
WebScriptExecutionCallback*);
static void CreateAndRun(LocalFrame*,
v8::Isolate*,
v8::Local<v8::Context>,
v8::Local<v8::Function>,
v8::Local<v8::Value> receiver,
int argc,
v8::Local<v8::Value> argv[],
WebScriptExecutionCallback*);
class Executor : public GarbageCollectedFinalized<Executor> {
public:
virtual ~Executor() = default;
virtual Vector<v8::Local<v8::Value>> Execute(LocalFrame*) = 0;
virtual void Trace(blink::Visitor* visitor) {}
};
PausableScriptExecutor(LocalFrame*,
ScriptState*,
WebScriptExecutionCallback*,
Executor*);
virtual ~PausableScriptExecutor();
void Run();
void RunAsync(BlockingOption);
void ContextDestroyed(ExecutionContext*) override;
void Trace(blink::Visitor*) override;
private:
void ExecuteAndDestroySelf();
void Dispose();
Member<ScriptState> script_state_;
WebScriptExecutionCallback* callback_;
BlockingOption blocking_option_;
TaskHandle task_handle_;
Member<Executor> executor_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_PAUSABLE_SCRIPT_EXECUTOR_H_
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