408 lines
24 KiB
C++
408 lines
24 KiB
C++
// 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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#ifndef CEFSHARP_CORE_REQUESTCONTEXT_H_
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#define CEFSHARP_CORE_REQUESTCONTEXT_H_
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#pragma once
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#include "Stdafx.h"
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#include "include\cef_request_context.h"
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#include "RequestContextSettings.h"
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#include "Internals\CefRequestContextHandlerAdapter.h"
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#include "Internals\CefWrapper.h"
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using namespace System::Runtime::InteropServices;
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using namespace System::Threading::Tasks;
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namespace CefSharp
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{
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namespace Core
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{
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/// <summary>
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/// A request context provides request handling for a set of related browser objects.
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/// A request context is specified when creating a new browser object via the CefBrowserHost
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/// static factory methods. Browser objects with different request contexts will never be
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/// hosted in the same render process. Browser objects with the same request context may or
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/// may not be hosted in the same render process depending on the process model.
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/// Browser objects created indirectly via the JavaScript window.open function or targeted
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/// links will share the same render process and the same request context as the source browser.
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/// When running in single-process mode there is only a single render process (the main process)
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/// and so all browsers created in single-process mode will share the same request context.
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/// This will be the first request context passed into a CefBrowserHost static factory method
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/// and all other request context objects will be ignored.
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/// </summary>
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[System::ComponentModel::EditorBrowsableAttribute(System::ComponentModel::EditorBrowsableState::Never)]
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public ref class RequestContext : public IRequestContext, public CefWrapper
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{
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private:
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MCefRefPtr<CefRequestContext> _requestContext;
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RequestContextSettings^ _settings;
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internal:
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RequestContext(CefRefPtr<CefRequestContext>& context)
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{
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_requestContext = context;
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_settings = nullptr;
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}
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operator CefRefPtr<CefRequestContext>()
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{
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if (this == nullptr)
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{
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return NULL;
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}
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return _requestContext.get();
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}
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public:
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RequestContext()
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{
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CefRequestContextSettings settings;
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_requestContext = CefRequestContext::CreateContext(settings, NULL);
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}
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RequestContext(RequestContextSettings^ settings) : _settings(settings)
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{
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PathCheck::AssertAbsolute(settings->CachePath, "RequestContextSettings.CachePath");
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_requestContext = CefRequestContext::CreateContext(settings, NULL);
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}
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RequestContext(IRequestContextHandler^ requestContextHandler)
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{
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CefRequestContextSettings settings;
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_requestContext = CefRequestContext::CreateContext(settings, new CefRequestContextHandlerAdapter(requestContextHandler));
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}
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RequestContext(RequestContextSettings^ settings, IRequestContextHandler^ requestContextHandler) : _settings(settings)
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{
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PathCheck::AssertAbsolute(settings->CachePath, "RequestContextSettings.CachePath");
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_requestContext = CefRequestContext::CreateContext(settings, new CefRequestContextHandlerAdapter(requestContextHandler));
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}
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///Creates a new context object that shares storage with | other | and uses an optional | handler | .
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RequestContext(IRequestContext^ otherRequestContext)
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{
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_requestContext = CefRequestContext::CreateContext((RequestContext^)otherRequestContext->UnWrap(), NULL);
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}
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RequestContext(IRequestContext^ otherRequestContext, IRequestContextHandler^ requestContextHandler)
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{
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_requestContext = CefRequestContext::CreateContext((RequestContext^)otherRequestContext->UnWrap(), new CefRequestContextHandlerAdapter(requestContextHandler));
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}
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!RequestContext()
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{
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_requestContext = NULL;
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}
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~RequestContext()
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{
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this->!RequestContext();
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delete _settings;
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_disposed = true;
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}
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/// <summary>
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/// Creates a new context object that shares storage with other and uses an
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/// optional handler.
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/// </summary>
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/// <param name="other">shares storage with this RequestContext</param>
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/// <param name="requestContextHandler">optional requestContext handler</param>
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/// <returns>Returns a new RequestContext</returns>
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static IRequestContext^ CreateContext(IRequestContext^ other, IRequestContextHandler^ requestContextHandler)
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{
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auto otherRequestContext = static_cast<RequestContext^>(other);
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CefRefPtr<CefRequestContextHandler> handler = requestContextHandler == nullptr ? NULL : new CefRequestContextHandlerAdapter(requestContextHandler);
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auto newContext = CefRequestContext::CreateContext(otherRequestContext, handler);
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return gcnew RequestContext(newContext);
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}
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/// <summary>
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/// Returns true if this object is pointing to the same context object.
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/// </summary>
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/// <param name="context">context to compare</param>
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/// <returns>Returns true if the same</returns>
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virtual bool IsSame(IRequestContext^ context);
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/// <summary>
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/// Returns true if this object is sharing the same storage as the specified context.
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/// </summary>
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/// <param name="context">context to compare</param>
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/// <returns>Returns true if same storage</returns>
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virtual bool IsSharingWith(IRequestContext^ context);
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/// <summary>
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/// Returns the default cookie manager for this object. This will be the global
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/// cookie manager if this object is the global request context.
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/// </summary>
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/// <param name="callback">If callback is non-NULL it will be executed asnychronously on the CEF IO thread
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/// after the manager's storage has been initialized.</param>
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/// <returns>Returns the default cookie manager for this object</returns>
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virtual ICookieManager^ GetCookieManager(ICompletionCallback^ callback);
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/// <summary>
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/// Returns true if this object is the global context. The global context is
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/// used by default when creating a browser or URL request with a NULL context
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/// argument.
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/// </summary>
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virtual property bool IsGlobal
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{
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bool get()
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{
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ThrowIfDisposed();
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return _requestContext->IsGlobal();
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}
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}
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/// <summary>
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/// Register a scheme handler factory for the specified schemeName and optional domainName.
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/// An empty domainName value for a standard scheme will cause the factory to match all domain
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/// names. The domainName value will be ignored for non-standard schemes. If schemeName is
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/// a built-in scheme and no handler is returned by factory then the built-in scheme handler
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/// factory will be called. If schemeName is a custom scheme then you must also implement the
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/// IApp.OnRegisterCustomSchemes() method in all processes. This function may be called multiple
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/// times to change or remove the factory that matches the specified schemeName and optional
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/// domainName.
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/// </summary>
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/// <param name="schemeName">Scheme Name</param>
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/// <param name="domainName">Optional domain name</param>
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/// <param name="factory">Scheme handler factory</param>
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/// <returns>Returns false if an error occurs.</returns>
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virtual bool RegisterSchemeHandlerFactory(String^ schemeName, String^ domainName, ISchemeHandlerFactory^ factory);
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/// <summary>
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/// Clear all registered scheme handler factories.
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/// </summary>
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/// <returns>Returns false on error.</returns>
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virtual bool ClearSchemeHandlerFactories();
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/// <summary>
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/// Returns the cache path for this object. If empty an "incognito mode"
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/// in-memory cache is being used.
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/// </summary>
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virtual property String^ CachePath
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{
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String^ get()
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{
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ThrowIfDisposed();
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return StringUtils::ToClr(_requestContext->GetCachePath());
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}
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}
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/// <summary>
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/// Tells all renderer processes associated with this context to throw away
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/// their plugin list cache. If reloadPages is true they will also reload
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/// all pages with plugins. RequestContextHandler.OnBeforePluginLoad may
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/// be called to rebuild the plugin list cache.
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/// </summary>
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/// <param name="reloadPages">reload any pages with pluginst</param>
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virtual void PurgePluginListCache(bool reloadPages);
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/// <summary>
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/// Returns true if a preference with the specified name exists. This method
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/// must be called on the CEF UI thread.
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/// </summary>
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/// <param name="name">name of preference</param>
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/// <returns>bool if the preference exists</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual bool HasPreference(String^ name);
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/// <summary>
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/// Returns the value for the preference with the specified name. Returns
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/// NULL if the preference does not exist. The returned object contains a copy
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/// of the underlying preference value and modifications to the returned object
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/// will not modify the underlying preference value. This method must be called
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/// on the CEF UI thread.
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/// </summary>
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/// <param name="name">preference name</param>
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/// <returns>Returns the value for the preference with the specified name</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual Object^ GetPreference(String^ name);
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/// <summary>
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/// Returns all preferences as a dictionary. The returned
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/// object contains a copy of the underlying preference values and
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/// modifications to the returned object will not modify the underlying
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/// preference values. This method must be called on the browser process UI
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/// thread.
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/// </summary>
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/// <param name="includeDefaults">If true then
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/// preferences currently at their default value will be included.</param>
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/// <returns>Preferences (dictionary can have sub dictionaries)</returns>
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virtual IDictionary<String^, Object^>^ GetAllPreferences(bool includeDefaults);
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/// <summary>
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/// Returns true if the preference with the specified name can be modified
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/// using SetPreference. As one example preferences set via the command-line
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/// usually cannot be modified. This method must be called on the CEF UI thread.
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/// </summary>
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/// <param name="name">preference key</param>
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/// <returns>Returns true if the preference with the specified name can be modified
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/// using SetPreference</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual bool CanSetPreference(String^ name);
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/// <summary>
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/// Set the value associated with preference name. If value is null the
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/// preference will be restored to its default value. If setting the preference
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/// fails then error will be populated with a detailed description of the
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/// problem. This method must be called on the CEF UI thread.
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/// Preferences set via the command-line usually cannot be modified.
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/// </summary>
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/// <param name="name">preference key</param>
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/// <param name="value">preference value</param>
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/// <param name="error">out error</param>
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/// <returns>Returns true if the value is set successfully and false otherwise.</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual bool SetPreference(String^ name, Object^ value, [Out] String^ %error);
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/// <summary>
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/// Clears all certificate exceptions that were added as part of handling
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/// <see cref="IRequestHandler::OnCertificateError"/>. If you call this it is
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/// recommended that you also call <see cref="IRequestContext::CloseAllConnections"/> or you risk not
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/// being prompted again for server certificates if you reconnect quickly.
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/// </summary>
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/// <param name="callback">If is non-NULL it will be executed on the CEF UI thread after
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/// completion. This param is optional</param>
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virtual void ClearCertificateExceptions(ICompletionCallback^ callback);
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/// <summary>
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/// Clears all HTTP authentication credentials that were added as part of handling
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/// <see cref="IRequestHandler::GetAuthCredentials"/>.
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/// </summary>
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/// <param name="callback">If is non-NULL it will be executed on the CEF UI thread after
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/// completion. This param is optional</param>
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virtual void ClearHttpAuthCredentials(ICompletionCallback^ callback);
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/// <summary>
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/// Clears all active and idle connections that Chromium currently has.
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/// This is only recommended if you have released all other CEF objects but
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/// don't yet want to call Cef.Shutdown().
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/// </summary>
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/// <param name="callback">If is non-NULL it will be executed on the CEF UI thread after
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/// completion. This param is optional</param>
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virtual void CloseAllConnections(ICompletionCallback^ callback);
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/// <summary>
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/// Attempts to resolve origin to a list of associated IP addresses.
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/// </summary>
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/// <param name="origin">host name to resolve</param>
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/// <returns>A task that represents the Resoolve Host operation. The value of the TResult parameter contains ResolveCallbackResult.</returns>
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virtual Task<ResolveCallbackResult>^ ResolveHostAsync(Uri^ origin);
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/// <summary>
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/// Returns true if this context was used to load the extension identified by extensionId. Other contexts sharing the same storage will also have access to the extension (see HasExtension).
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/// This method must be called on the CEF UI thread.
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/// </summary>
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/// <returns>Returns true if this context was used to load the extension identified by extensionId</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual bool DidLoadExtension(String^ extensionId);
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/// <summary>
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/// Returns the extension matching extensionId or null if no matching extension is accessible in this context (see HasExtension).
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/// This method must be called on the CEF UI thread.
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/// </summary>
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/// <param name="extensionId">extension Id</param>
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/// <returns>Returns the extension matching extensionId or null if no matching extension is accessible in this context</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual IExtension^ GetExtension(String^ extensionId);
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/// <summary>
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/// Retrieve the list of all extensions that this context has access to (see HasExtension).
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/// <paramref name="extensionIds"/> will be populated with the list of extension ID values.
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/// This method must be called on the CEF UI thread.
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/// </summary>
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/// <param name="extensionIds">output a list of extensions Ids</param>
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/// <returns>returns true on success otherwise false</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual bool GetExtensions([Out] IList<String^>^ %extensionIds);
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/// <summary>
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/// Returns true if this context has access to the extension identified by extensionId.
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/// This may not be the context that was used to load the extension (see DidLoadExtension).
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/// This method must be called on the CEF UI thread.
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/// </summary>
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/// <param name="extensionId">extension id</param>
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/// <returns>Returns true if this context has access to the extension identified by extensionId</returns>
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/// <remarks>Use Cef.UIThreadTaskFactory to execute this method if required,
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/// <see cref="IBrowserProcessHandler::OnContextInitialized"/> and ChromiumWebBrowser.IsBrowserInitializedChanged are both
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/// executed on the CEF UI thread, so can be called directly.
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/// When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main
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/// application thread will be the CEF UI thread.</remarks>
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virtual bool HasExtension(String^ extensionId);
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/// <summary>
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/// Load an extension. If extension resources will be read from disk using the default load implementation then rootDirectoy
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/// should be the absolute path to the extension resources directory and manifestJson should be null.
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/// If extension resources will be provided by the client (e.g. via IRequestHandler and/or IExtensionHandler) then rootDirectory
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/// should be a path component unique to the extension (if not absolute this will be internally prefixed with the PK_DIR_RESOURCES path)
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/// and manifestJson should contain the contents that would otherwise be read from the "manifest.json" file on disk.
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/// The loaded extension will be accessible in all contexts sharing the same storage (HasExtension returns true).
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/// However, only the context on which this method was called is considered the loader (DidLoadExtension returns true) and only the
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/// loader will receive IRequestContextHandler callbacks for the extension. <see cref="IExtensionHandler::OnExtensionLoaded"/> will be
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/// called on load success or <see cref="IExtensionHandler::OnExtensionLoadFailed"/> will be called on load failure.
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/// If the extension specifies a background script via the "background" manifest key then <see cref="IExtensionHandler::OnBeforeBackgroundBrowser"/>
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/// will be called to create the background browser. See that method for additional information about background scripts.
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/// For visible extension views the client application should evaluate the manifest to determine the correct extension URL to load and then pass
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/// that URL to the IBrowserHost.CreateBrowser* function after the extension has loaded. For example, the client can look for the "browser_action"
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/// manifest key as documented at https://developer.chrome.com/extensions/browserAction. Extension URLs take the form "chrome-extension:///".
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/// Browsers that host extensions differ from normal browsers as follows: - Can access chrome.* JavaScript APIs if allowed by the manifest.
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/// Visit chrome://extensions-support for the list of extension APIs currently supported by CEF. - Main frame navigation to non-extension
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/// content is blocked.
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/// - Pinch-zooming is disabled.
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/// - <see cref="IBrowserHost::Extension"/> returns the hosted extension.
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/// - CefBrowserHost::IsBackgroundHost returns true for background hosts. See https://developer.chrome.com/extensions for extension implementation and usage documentation.
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/// </summary>
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/// <param name="rootDirectory">If extension resources will be read from disk using the default load implementation then rootDirectoy
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/// should be the absolute path to the extension resources directory and manifestJson should be null</param>
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/// <param name="manifestJson">If extension resources will be provided by the client then rootDirectory should be a path component unique to the extension
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/// and manifestJson should contain the contents that would otherwise be read from the manifest.json file on disk</param>
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/// <param name="handler">handle events related to browser extensions</param>
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virtual void LoadExtension(String^ rootDirectory, String^ manifestJson, IExtensionHandler^ handler);
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/// <summary>
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/// Gets the inner most instance
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/// </summary>
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/// <returns>current instance</returns>
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virtual IRequestContext^ UnWrap();
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};
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}
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}
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#endif // CEFSHARP_CORE_REQUESTCONTEXT_H_
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