blob: 41f21cc9d9754a2f96624a89bac13652edb704a0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_UI_DEVTOOLS_DOM_AGENT_H_
#define COMPONENTS_UI_DEVTOOLS_DOM_AGENT_H_
#include "base/observer_list.h"
#include "components/ui_devtools/DOM.h"
#include "components/ui_devtools/devtools_base_agent.h"
#include "components/ui_devtools/devtools_export.h"
#include "components/ui_devtools/ui_element_delegate.h"
namespace ui_devtools {
class UIElement;
class DOMAgentObserver {
public:
virtual void OnElementBoundsChanged(UIElement* ui_element) = 0;
};
class UI_DEVTOOLS_EXPORT DOMAgent
: public UiDevToolsBaseAgent<protocol::DOM::Metainfo>,
public UIElementDelegate {
public:
DOMAgent();
~DOMAgent() override;
// DOM::Backend:
protocol::Response disable() override;
protocol::Response getDocument(
std::unique_ptr<protocol::DOM::Node>* out_root) override;
protocol::Response hideHighlight() override;
protocol::Response pushNodesByBackendIdsToFrontend(
std::unique_ptr<protocol::Array<int>> backend_node_ids,
std::unique_ptr<protocol::Array<int>>* result) override;
// UIElementDelegate:
void OnUIElementAdded(UIElement* parent, UIElement* child) override;
void OnUIElementReordered(UIElement* parent, UIElement* child) override;
void OnUIElementRemoved(UIElement* ui_element) override;
void OnUIElementBoundsChanged(UIElement* ui_element) override;
void AddObserver(DOMAgentObserver* observer);
void RemoveObserver(DOMAgentObserver* observer);
UIElement* GetElementFromNodeId(int node_id) const;
UIElement* element_root() const { return element_root_.get(); };
// Returns parent id of the element with id |node_id|. Returns 0 if parent
// does not exist.
int GetParentIdOfNodeId(int node_id) const;
protected:
std::unique_ptr<protocol::DOM::Node> BuildNode(
const std::string& name,
std::unique_ptr<protocol::Array<std::string>> attributes,
std::unique_ptr<protocol::Array<protocol::DOM::Node>> children,
int node_ids);
std::unique_ptr<protocol::DOM::Node> BuildDomNodeFromUIElement(
UIElement* root);
private:
// These are called on creating a DOM document.
std::unique_ptr<protocol::DOM::Node> BuildInitialTree();
// The caller takes ownership of the returned pointers.
virtual std::vector<UIElement*> CreateChildrenForRoot() = 0;
virtual std::unique_ptr<protocol::DOM::Node> BuildTreeForUIElement(
UIElement* ui_element) = 0;
void OnElementBoundsChanged(UIElement* ui_element);
void RemoveDomNode(UIElement* ui_element);
void Reset();
bool is_building_tree_ = false;
std::unique_ptr<UIElement> element_root_;
std::unordered_map<int, UIElement*> node_id_to_ui_element_;
base::ObserverList<DOMAgentObserver> observers_;
DISALLOW_COPY_AND_ASSIGN(DOMAgent);
};
} // namespace ui_devtools
#endif // COMPONENTS_UI_DEVTOOLS_DOM_AGENT_H_
|
