summaryrefslogtreecommitdiff
path: root/Userland/Applications/Browser/InspectorWidget.cpp
blob: 7728e9662689a67f48879fd327a8be35fe3b285e (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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include "InspectorWidget.h"
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/TabWidget.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TreeView.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOMTreeModel.h>
#include <LibWeb/OutOfProcessWebView.h>
#include <LibWeb/StylePropertiesModel.h>

namespace Browser {

void InspectorWidget::set_inspected_node(i32 node_id)
{
    if (!m_dom_json.has_value()) {
        // DOM Tree hasn't been loaded yet, so make a note to inspect it later.
        m_pending_inspect_node_id = node_id;
        return;
    }

    auto* model = verify_cast<Web::DOMTreeModel>(m_dom_tree_view->model());
    auto index = model->index_for_node(node_id);
    if (!index.is_valid()) {
        dbgln("InspectorWidget told to inspect non-existent node, id={}", node_id);
        return;
    }

    m_dom_tree_view->expand_all_parents_of(index);
    m_dom_tree_view->set_cursor(index, GUI::AbstractView::SelectionUpdate::Set);
    set_inspected_node(index);
}

void InspectorWidget::set_inspected_node(GUI::ModelIndex const index)
{
    auto* json = static_cast<JsonObject const*>(index.internal_data());
    i32 inspected_node = json ? json->get("id").to_i32() : 0;
    if (inspected_node == m_inspected_node_id)
        return;
    m_inspected_node_id = inspected_node;

    auto maybe_inspected_node_properties = m_web_view->inspect_dom_node(m_inspected_node_id);
    if (maybe_inspected_node_properties.has_value()) {
        auto inspected_node_properties = maybe_inspected_node_properties.value();
        load_style_json(inspected_node_properties.specified_values_json, inspected_node_properties.computed_values_json);
    } else {
        clear_style_json();
    }
}

InspectorWidget::InspectorWidget()
{
    set_fill_with_background_color(true);

    auto& layout = set_layout<GUI::VerticalBoxLayout>();
    layout.set_margins({ 4, 4, 4, 4 });
    auto& splitter = add<GUI::VerticalSplitter>();

    auto& top_tab_widget = splitter.add<GUI::TabWidget>();

    auto& dom_tree_container = top_tab_widget.add_tab<GUI::Widget>("DOM");
    dom_tree_container.set_layout<GUI::VerticalBoxLayout>();
    dom_tree_container.layout()->set_margins({ 4, 4, 4, 4 });
    m_dom_tree_view = dom_tree_container.add<GUI::TreeView>();
    m_dom_tree_view->on_selection_change = [this] {
        const auto& index = m_dom_tree_view->selection().first();
        set_inspected_node(index);
    };

    auto& bottom_tab_widget = splitter.add<GUI::TabWidget>();

    auto& style_table_container = bottom_tab_widget.add_tab<GUI::Widget>("Styles");
    style_table_container.set_layout<GUI::VerticalBoxLayout>();
    style_table_container.layout()->set_margins({ 4, 4, 4, 4 });
    m_style_table_view = style_table_container.add<GUI::TableView>();

    auto& computed_style_table_container = bottom_tab_widget.add_tab<GUI::Widget>("Computed");
    computed_style_table_container.set_layout<GUI::VerticalBoxLayout>();
    computed_style_table_container.layout()->set_margins({ 4, 4, 4, 4 });
    m_computed_style_table_view = computed_style_table_container.add<GUI::TableView>();

    m_dom_tree_view->set_focus(true);
}

InspectorWidget::~InspectorWidget()
{
}

void InspectorWidget::select_default_node()
{
    clear_style_json();

    // FIXME: Select the <body> element, or else the root node.
    m_dom_tree_view->collapse_tree();
    m_dom_tree_view->set_cursor({}, GUI::AbstractView::SelectionUpdate::ClearIfNotSelected);
}

void InspectorWidget::set_dom_json(String json)
{
    if (m_dom_json.has_value() && m_dom_json.value() == json)
        return;

    m_dom_json = json;
    m_dom_tree_view->set_model(Web::DOMTreeModel::create(m_dom_json->view()));

    if (m_pending_inspect_node_id.has_value()) {
        i32 node_id = m_pending_inspect_node_id.value();
        m_pending_inspect_node_id.clear();
        set_inspected_node(node_id);
    } else {
        select_default_node();
    }
}

void InspectorWidget::clear_dom_json()
{
    m_dom_json.clear();
    m_dom_tree_view->set_model(nullptr);
    clear_style_json();
}

void InspectorWidget::set_dom_node_properties_json(i32 node_id, String specified_values_json, String computed_values_json)
{
    if (node_id != m_inspected_node_id) {
        dbgln("Got data for the wrong node id! Wanted {}, got {}", m_inspected_node_id, node_id);
        return;
    }

    load_style_json(specified_values_json, computed_values_json);
}

void InspectorWidget::load_style_json(String specified_values_json, String computed_values_json)
{
    m_inspected_node_specified_values_json = specified_values_json;
    m_inspected_node_computed_values_json = computed_values_json;
    m_style_table_view->set_model(Web::StylePropertiesModel::create(m_inspected_node_specified_values_json.value().view()));
    m_computed_style_table_view->set_model(Web::StylePropertiesModel::create(m_inspected_node_computed_values_json.value().view()));
}

void InspectorWidget::clear_style_json()
{
    m_inspected_node_specified_values_json.clear();
    m_inspected_node_computed_values_json.clear();
    m_style_table_view->set_model(nullptr);
    m_computed_style_table_view->set_model(nullptr);
}

}