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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef HEADLESS_PUBLIC_UTIL_DOM_TREE_EXTRACTOR_H_ | 5 #ifndef HEADLESS_PUBLIC_UTIL_DOM_TREE_EXTRACTOR_H_ |
6 #define HEADLESS_PUBLIC_UTIL_DOM_TREE_EXTRACTOR_H_ | 6 #define HEADLESS_PUBLIC_UTIL_DOM_TREE_EXTRACTOR_H_ |
7 | 7 |
8 #include <unordered_map> | 8 #include <unordered_map> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "headless/public/devtools/domains/css.h" | 12 #include "headless/public/devtools/domains/css.h" |
13 #include "headless/public/devtools/domains/dom.h" | 13 #include "headless/public/devtools/domains/dom.h" |
| 14 #include "headless/public/headless_export.h" |
14 | 15 |
15 namespace headless { | 16 namespace headless { |
16 class HeadlessDevToolsClient; | 17 class HeadlessDevToolsClient; |
17 | 18 |
18 // A utility class for extracting information from the DOM via DevTools. In | 19 // A utility class for extracting information from the DOM via DevTools. In |
19 // addition, it also extracts details of bounding boxes and layout text (NB the | 20 // addition, it also extracts details of bounding boxes and layout text (NB the |
20 // exact layout should not be regarded as stable, it's subject to change without | 21 // exact layout should not be regarded as stable, it's subject to change without |
21 // notice). | 22 // notice). |
22 // TODO(alexclarke): Remove in favor of one using DOM.getFlattenedDocument. | 23 // TODO(alexclarke): Remove in favor of one using DOM.getFlattenedDocument. |
23 class DomTreeExtractor { | 24 class HEADLESS_EXPORT DomTreeExtractor { |
24 public: | 25 public: |
25 explicit DomTreeExtractor(HeadlessDevToolsClient* devtools_client); | 26 explicit DomTreeExtractor(HeadlessDevToolsClient* devtools_client); |
26 ~DomTreeExtractor(); | 27 ~DomTreeExtractor(); |
27 | 28 |
28 using NodeId = int; | 29 using NodeId = int; |
29 using Index = size_t; | 30 using Index = size_t; |
30 | 31 |
31 class DomTree { | 32 class HEADLESS_EXPORT DomTree { |
32 public: | 33 public: |
33 DomTree(); | 34 DomTree(); |
34 DomTree(DomTree&& other); | 35 DomTree(DomTree&& other); |
35 ~DomTree(); | 36 ~DomTree(); |
36 | 37 |
37 // Flattened dom tree. The root node is always the first entry. | 38 // Flattened dom tree. The root node is always the first entry. |
38 std::vector<const dom::Node*> dom_nodes_; | 39 std::vector<const dom::Node*> dom_nodes_; |
39 | 40 |
40 // Map of node IDs to indexes into |dom_nodes_|. | 41 // Map of node IDs to indexes into |dom_nodes_|. |
41 std::unordered_map<NodeId, Index> node_id_to_index_; | 42 std::unordered_map<NodeId, Index> node_id_to_index_; |
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80 bool work_in_progress_; | 81 bool work_in_progress_; |
81 HeadlessDevToolsClient* devtools_client_; // NOT OWNED | 82 HeadlessDevToolsClient* devtools_client_; // NOT OWNED |
82 base::WeakPtrFactory<DomTreeExtractor> weak_factory_; | 83 base::WeakPtrFactory<DomTreeExtractor> weak_factory_; |
83 | 84 |
84 DISALLOW_COPY_AND_ASSIGN(DomTreeExtractor); | 85 DISALLOW_COPY_AND_ASSIGN(DomTreeExtractor); |
85 }; | 86 }; |
86 | 87 |
87 } // namespace headless | 88 } // namespace headless |
88 | 89 |
89 #endif // HEADLESS_PUBLIC_UTIL_DOM_TREE_EXTRACTOR_H_ | 90 #endif // HEADLESS_PUBLIC_UTIL_DOM_TREE_EXTRACTOR_H_ |
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