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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 "chrome/browser/favicon/favicon_download_helper.h" | |
6 | |
7 #include "chrome/browser/favicon/favicon_download_helper_delegate.h" | |
8 #include "chrome/browser/favicon/favicon_util.h" | |
9 #include "chrome/common/icon_messages.h" | |
10 #include "content/public/browser/render_view_host.h" | |
11 #include "content/public/browser/web_contents.h" | |
12 #include "content/public/browser/web_contents_delegate.h" | |
13 | |
14 using content::WebContents; | |
15 | |
16 FaviconDownloadHelper::FaviconDownloadHelper( | |
17 WebContents* web_contents, | |
18 FaviconDownloadHelperDelegate* delegate) | |
19 : content::WebContentsObserver(web_contents), | |
20 delegate_(delegate) { | |
21 DCHECK(delegate_); | |
22 } | |
23 | |
24 FaviconDownloadHelper::~FaviconDownloadHelper() { | |
25 } | |
26 | |
27 int FaviconDownloadHelper::DownloadFavicon(const GURL& url, int image_size) { | |
28 content::RenderViewHost* host = web_contents()->GetRenderViewHost(); | |
29 int id = FaviconUtil::DownloadFavicon(host, url, image_size); | |
30 DownloadIdList::iterator i = | |
31 std::find(download_ids_.begin(), download_ids_.end(), id); | |
32 DCHECK(i == download_ids_.end()); | |
33 download_ids_.insert(id); | |
34 return id; | |
35 } | |
36 | |
37 bool FaviconDownloadHelper::OnMessageReceived(const IPC::Message& message) { | |
38 bool message_handled = false; // Allow other handlers to receive these. | |
39 IPC_BEGIN_MESSAGE_MAP(FaviconDownloadHelper, message) | |
40 IPC_MESSAGE_HANDLER(IconHostMsg_DidDownloadFavicon, OnDidDownloadFavicon) | |
41 IPC_MESSAGE_HANDLER(IconHostMsg_UpdateFaviconURL, OnUpdateFaviconURL) | |
42 IPC_MESSAGE_UNHANDLED(message_handled = false) | |
43 IPC_END_MESSAGE_MAP() | |
44 return message_handled; | |
45 } | |
46 | |
47 void FaviconDownloadHelper::OnDidDownloadFavicon( | |
48 int id, | |
49 const GURL& image_url, | |
50 bool errored, | |
51 int requested_size, | |
52 const std::vector<SkBitmap>& bitmaps) { | |
53 DownloadIdList::iterator i = | |
54 std::find(download_ids_.begin(), download_ids_.end(), id); | |
sky
2012/10/30 21:39:09
nit: indent 4.
Cait (Slow)
2012/10/31 19:26:32
Done.
| |
55 if (i == download_ids_.end()) { | |
56 // Currently WebContents notifies us of ANY downloads so that it is | |
57 // possible to get here. | |
58 return; | |
59 } | |
60 delegate_->OnDidDownloadFavicon( | |
61 id, image_url, errored, requested_size, bitmaps); | |
62 download_ids_.erase(i); | |
63 } | |
64 | |
65 void FaviconDownloadHelper::OnUpdateFaviconURL( | |
66 int32 page_id, | |
67 const std::vector<FaviconURL>& candidates) { | |
68 delegate_->OnUpdateFaviconURL(page_id, candidates); | |
69 } | |
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