Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [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 | #ifndef CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_MESSAGE_FILTER_H_ |
| 6 | #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_MESSAGE_FILTER_H_ |
| 7 | |
| 8 | #include "base/memory/ref_counted.h" |
| 9 | #include "base/memory/scoped_ptr.h" |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 10 | #include "content/browser/dom_storage/dom_storage_context_impl.h" |
| 11 | #include "content/common/dom_storage/dom_storage_types.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 12 | #include "content/public/browser/browser_message_filter.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 13 | |
| 14 | class GURL; |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 15 | |
| 16 | namespace base { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 17 | class NullableString16; |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 18 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 19 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 20 | namespace content { |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 21 | |
| 22 | class DOMStorageArea; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 23 | class DOMStorageContextImpl; |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 24 | class DOMStorageContextWrapper; |
| 25 | class DOMStorageHost; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 26 | |
| 27 | // This class handles the logistics of DOM Storage within the browser process. |
| 28 | // It mostly ferries information between IPCs and the dom_storage classes. |
| 29 | class DOMStorageMessageFilter |
| 30 | : public BrowserMessageFilter, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 31 | public DOMStorageContextImpl::EventObserver { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 32 | public: |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 33 | explicit DOMStorageMessageFilter(int unused, |
| 34 | DOMStorageContextWrapper* context); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 35 | |
| 36 | private: |
| 37 | virtual ~DOMStorageMessageFilter(); |
| 38 | |
| 39 | void InitializeInSequence(); |
| 40 | void UninitializeInSequence(); |
| 41 | |
| 42 | // BrowserMessageFilter implementation |
| 43 | virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE; |
| 44 | virtual void OnFilterRemoved() OVERRIDE; |
| 45 | virtual base::TaskRunner* OverrideTaskRunnerForMessage( |
| 46 | const IPC::Message& message) OVERRIDE; |
| 47 | virtual bool OnMessageReceived(const IPC::Message& message, |
| 48 | bool* message_was_ok) OVERRIDE; |
| 49 | |
| 50 | // Message Handlers. |
| 51 | void OnOpenStorageArea(int connection_id, int64 namespace_id, |
| 52 | const GURL& origin); |
| 53 | void OnCloseStorageArea(int connection_id); |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 54 | void OnLoadStorageArea(int connection_id, DOMStorageValuesMap* map); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 55 | void OnSetItem(int connection_id, const string16& key, |
| 56 | const string16& value, const GURL& page_url); |
| 57 | void OnRemoveItem(int connection_id, const string16& key, |
| 58 | const GURL& page_url); |
| 59 | void OnClear(int connection_id, const GURL& page_url); |
| 60 | void OnFlushMessages(); |
| 61 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 62 | // DOMStorageContextImpl::EventObserver implementation which |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 63 | // sends events back to our renderer process. |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 64 | virtual void OnDOMStorageItemSet( |
| 65 | const DOMStorageArea* area, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 66 | const string16& key, |
| 67 | const string16& new_value, |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 68 | const base::NullableString16& old_value, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 69 | const GURL& page_url) OVERRIDE; |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 70 | virtual void OnDOMStorageItemRemoved( |
| 71 | const DOMStorageArea* area, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 72 | const string16& key, |
| 73 | const string16& old_value, |
| 74 | const GURL& page_url) OVERRIDE; |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 75 | virtual void OnDOMStorageAreaCleared( |
| 76 | const DOMStorageArea* area, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 77 | const GURL& page_url) OVERRIDE; |
| 78 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 79 | void SendDOMStorageEvent( |
| 80 | const DOMStorageArea* area, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 81 | const GURL& page_url, |
Torne (Richard Coles) | 7d4cd47 | 2013-06-19 11:58:07 +0100 | [diff] [blame] | 82 | const base::NullableString16& key, |
| 83 | const base::NullableString16& new_value, |
| 84 | const base::NullableString16& old_value); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 85 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 86 | scoped_refptr<DOMStorageContextImpl> context_; |
| 87 | scoped_ptr<DOMStorageHost> host_; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 88 | int connection_dispatching_message_for_; |
| 89 | |
| 90 | DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageMessageFilter); |
| 91 | }; |
| 92 | |
| 93 | } // namespace content |
| 94 | |
| 95 | #endif // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_MESSAGE_FILTER_H_ |