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// Copyright (c) 2012 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 ANDROID_WEBVIEW_BROWSER_AW_CONTENTS_IO_THREAD_CLIENT_H_
#define ANDROID_WEBVIEW_BROWSER_AW_CONTENTS_IO_THREAD_CLIENT_H_
#include "base/memory/scoped_ptr.h"
class GURL;
namespace net {
class URLRequest;
}
namespace android_webview {
class InterceptedRequestData;
// This class provides a means of calling Java methods on an instance that has
// a 1:1 relationship with a WebContents instance directly from the IO thread.
//
// Specifically this is used to associate URLRequests with the WebContents that
// the URLRequest is made for.
//
// The native class is intended to be a short-lived handle that pins the
// Java-side instance. It is preferable to use the static getter methods to
// obtain a new instance of the class rather than holding on to one for
// prolonged periods of time (see note for more details).
//
// Note: The native AwContentsIoThreadClient instance has a Global ref to
// the Java object. By keeping the native AwContentsIoThreadClient
// instance alive you're also prolonging the lifetime of the Java instance, so
// don't keep a AwContentsIoThreadClient if you don't need to.
class AwContentsIoThreadClient {
public:
virtual ~AwContentsIoThreadClient() {}
// This will attempt to fetch the AwContentsIoThreadClient for the given
// |render_process_id|, |render_view_id| pair.
// This method can be called from any thread.
// An empty scoped_ptr is a valid return value.
static scoped_ptr<AwContentsIoThreadClient> FromID(int render_process_id,
int render_view_id);
// This method is called on the IO thread only.
virtual scoped_ptr<InterceptedRequestData> ShouldInterceptRequest(
const GURL& location,
const net::URLRequest* request) = 0;
// Retrieve the AllowContentAccess setting value of this AwContents.
// This method is called on the IO thread only.
virtual bool ShouldBlockContentUrls() const = 0;
// Retrieve the AllowFileAccess setting value of this AwContents.
// This method is called on the IO thread only.
virtual bool ShouldBlockFileUrls() const = 0;
// Retrieve the BlockNetworkLoads setting value of this AwContents.
// This method is called on the IO thread only.
virtual bool ShouldBlockNetworkLoads() const = 0;
};
} // namespace android_webview
#endif // ANDROID_WEBVIEW_BROWSER_AW_CONTENTS_IO_THREAD_CLIENT_H_
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