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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef WEBKIT_GLUE_IMAGE_RESOURCE_FETCHER_H__
#define WEBKIT_GLUE_IMAGE_RESOURCE_FETCHER_H__
#include "base/basictypes.h"
#include "webkit/glue/resource_fetcher.h"
class SkBitmap;
class WebCore::ResourceResponse;
class WebViewImpl;
// ImageResourceFetcher handles downloading an image for a webview. Once
// downloading is done the hosting WebViewImpl is notified. ImageResourceFetcher
// is used to download the favicon and images for web apps.
class ImageResourceFetcher : public ResourceFetcher::Delegate {
public:
ImageResourceFetcher(WebViewImpl* web_view,
int id,
const GURL& image_url,
int image_size);
virtual ~ImageResourceFetcher();
// ResourceFetcher::Delegate method. Decodes the image and invokes one of
// DownloadFailed or DownloadedImage.
virtual void OnURLFetchComplete(const WebCore::ResourceResponse& response,
const std::string& data);
// URL of the image we're downloading.
const GURL& image_url() const { return image_url_; }
// Hosting WebView.
WebViewImpl* web_view() const { return web_view_; }
// Unique identifier for the request.
int id() const { return id_; }
private:
WebViewImpl* web_view_;
// Unique identifier for the request.
const int id_;
// URL of the image.
const GURL image_url_;
// The size of the image. This is only a hint that is used if the image
// contains multiple sizes. A value of 0 results in using the first frame
// of the image.
const int image_size_;
// Does the actual download.
scoped_ptr<ResourceFetcher> fetcher_;
DISALLOW_EVIL_CONSTRUCTORS(ImageResourceFetcher);
};
#endif // WEBKIT_GLUE_IMAGE_RESOURCE_FETCHER_H__
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