// Copyright © 2015 The CefSharp Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#pragma once
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#include "Stdafx.h"
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#include "include/cef_app.h"
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#include "..\ManagedCefBrowserAdapter.h"
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#include "Internals\CefBrowserWrapper.h"
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using namespace System::Threading::Tasks;
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namespace CefSharp
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{
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namespace Internals
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{
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private ref class JavascriptCallbackProxy : public IJavascriptCallback
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{
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private:
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WeakReference^ _browserAdapter;
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JavascriptCallback^ _callback;
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PendingTaskRepository<JavascriptResponse^>^ _pendingTasks;
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bool _disposed;
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CefRefPtr<CefProcessMessage> CreateDestroyMessage();
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IBrowser^ GetBrowser();
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void DisposedGuard();
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public:
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JavascriptCallbackProxy(JavascriptCallback^ callback, PendingTaskRepository<JavascriptResponse^>^ pendingTasks, WeakReference^ browserAdapter)
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:_callback(callback), _pendingTasks(pendingTasks), _disposed(false)
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{
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_browserAdapter = browserAdapter;
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}
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~JavascriptCallbackProxy()
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{
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this->!JavascriptCallbackProxy();
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}
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!JavascriptCallbackProxy()
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{
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auto browser = GetBrowser();
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if (browser != nullptr && !browser->IsDisposed)
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{
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auto browserWrapper = static_cast<CefBrowserWrapper^>(browser)->Browser;
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auto frame = browserWrapper->GetFrame(_callback->FrameId);
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if (frame.get() && frame->IsValid())
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{
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frame->SendProcessMessage(CefProcessId::PID_RENDERER, CreateDestroyMessage());
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}
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}
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_disposed = true;
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}
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virtual Task<JavascriptResponse^>^ ExecuteAsync(cli::array<Object^>^ parameters);
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virtual Task<JavascriptResponse^>^ ExecuteWithTimeoutAsync(Nullable<TimeSpan> timeout, cli::array<Object^>^ parameters);
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virtual property Int64 Id
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{
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Int64 get();
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}
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virtual property bool IsDisposed
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{
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bool get();
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}
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virtual property bool CanExecute
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{
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bool get();
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}
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};
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}
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}
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