[email protected] | b1c1e09 | 2012-08-06 08:52:00 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "webkit/glue/multi_resolution_image_resource_fetcher.h" |
| 6 | |
| 7 | #include "base/bind.h" |
| 8 | #include "base/bind_helpers.h" |
| 9 | #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
| 10 | #include "ui/gfx/size.h" |
| 11 | #include "webkit/glue/image_decoder.h" |
| 12 | #include "third_party/skia/include/core/SkBitmap.h" |
| 13 | |
| 14 | using WebKit::WebFrame; |
| 15 | using WebKit::WebURLRequest; |
| 16 | using WebKit::WebURLResponse; |
| 17 | |
| 18 | namespace webkit_glue { |
| 19 | |
| 20 | MultiResolutionImageResourceFetcher::MultiResolutionImageResourceFetcher( |
| 21 | const GURL& image_url, |
| 22 | WebFrame* frame, |
| 23 | int id, |
| 24 | WebURLRequest::TargetType target_type, |
| 25 | const Callback& callback) |
| 26 | : callback_(callback), |
| 27 | id_(id), |
| 28 | image_url_(image_url) { |
| 29 | fetcher_.reset(new ResourceFetcher( |
| 30 | image_url, frame, target_type, |
| 31 | base::Bind(&MultiResolutionImageResourceFetcher::OnURLFetchComplete, |
| 32 | base::Unretained(this)))); |
| 33 | } |
| 34 | |
| 35 | MultiResolutionImageResourceFetcher::~MultiResolutionImageResourceFetcher() { |
| 36 | if (!fetcher_->completed()) |
| 37 | fetcher_->Cancel(); |
| 38 | } |
| 39 | |
| 40 | void MultiResolutionImageResourceFetcher::OnURLFetchComplete( |
| 41 | const WebURLResponse& response, |
| 42 | const std::string& data) { |
| 43 | std::vector<SkBitmap> bitmaps; |
| 44 | if (!response.isNull() && response.httpStatusCode() == 200) { |
| 45 | // Request succeeded, try to convert it to an image. |
| 46 | bitmaps = ImageDecoder::DecodeAll( |
| 47 | reinterpret_cast<const unsigned char*>(data.data()), data.size()); |
| 48 | } // else case: |
| 49 | // If we get here, it means no image from server or couldn't decode the |
| 50 | // response as an image. The delegate will see an empty vector. |
| 51 | |
| 52 | // Take a reference to the callback as running the callback may lead to our |
| 53 | // destruction. |
| 54 | Callback callback = callback_; |
| 55 | callback.Run(this, bitmaps); |
| 56 | } |
| 57 | |
| 58 | } // namespace webkit_glue |