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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ash/common/devtools/ash_devtools_css_agent.h" | |
| 6 | |
| 7 #include "ash/common/wm_window.h" | |
| 8 #include "base/strings/string_split.h" | |
| 9 #include "base/strings/string_util.h" | |
| 10 | |
| 11 namespace ash { | |
| 12 namespace devtools { | |
| 13 | |
| 14 namespace { | |
| 15 using namespace ui::devtools::protocol; | |
| 16 | |
| 17 const char kHeight[] = "height"; | |
| 18 const char kWidth[] = "width"; | |
| 19 const char kX[] = "x"; | |
| 20 const char kY[] = "y"; | |
| 21 | |
| 22 std::unique_ptr<CSS::SourceRange> BuildDefaultSourceRange() { | |
| 23 // These tell the frontend where in the stylesheet a certain style | |
| 24 // is located. Since we don't have stylesheets, this is all 0. | |
| 25 // We need this because CSS fields are not editable unless | |
| 26 // the range is provided. | |
| 27 return CSS::SourceRange::create() | |
| 28 .setStartLine(0) | |
| 29 .setEndLine(0) | |
| 30 .setStartColumn(0) | |
| 31 .setEndColumn(0) | |
| 32 .build(); | |
| 33 } | |
| 34 | |
| 35 std::unique_ptr<CSS::CSSProperty> BuildCSSProperty(const std::string& name, | |
| 36 int value) { | |
| 37 return CSS::CSSProperty::create() | |
| 38 .setRange(BuildDefaultSourceRange()) | |
| 39 .setName(name) | |
| 40 .setValue(base::IntToString(value)) | |
| 41 .build(); | |
| 42 } | |
| 43 | |
| 44 std::unique_ptr<Array<CSS::CSSProperty>> BuildBoundsCSSPropertyArray( | |
| 45 const gfx::Rect& bounds) { | |
| 46 auto cssProperties = Array<CSS::CSSProperty>::create(); | |
| 47 cssProperties->addItem(BuildCSSProperty(kHeight, bounds.height())); | |
| 48 cssProperties->addItem(BuildCSSProperty(kWidth, bounds.width())); | |
| 49 cssProperties->addItem(BuildCSSProperty(kX, bounds.x())); | |
| 50 cssProperties->addItem(BuildCSSProperty(kY, bounds.y())); | |
| 51 return cssProperties; | |
| 52 } | |
| 53 | |
| 54 std::unique_ptr<CSS::CSSStyle> BuildCSSStyle(int node_id, | |
| 55 const gfx::Rect& bounds) { | |
| 56 return CSS::CSSStyle::create() | |
| 57 .setRange(BuildDefaultSourceRange()) | |
| 58 .setStyleSheetId(base::IntToString(node_id)) | |
| 59 .setCssProperties(BuildBoundsCSSPropertyArray(bounds)) | |
| 60 .setShorthandEntries(Array<std::string>::create()) | |
| 61 .build(); | |
| 62 } | |
| 63 | |
| 64 Response ParseBounds(const std::string& style_text, gfx::Rect& bounds) { | |
| 65 std::vector<std::string> tokens = base::SplitString( | |
| 66 style_text, ":;", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY); | |
| 67 for (size_t i = 0; i < tokens.size() - 1; i += 2) { | |
| 68 const std::string& property = tokens.at(i); | |
| 69 int value; | |
| 70 if (!base::StringToInt(tokens.at(i + 1), &value)) | |
| 71 return Response::Error("Unable to parse value for property=" + property); | |
| 72 | |
| 73 if (property == kHeight) | |
| 74 bounds.set_height(std::max(0, value)); | |
| 75 else if (property == kWidth) | |
| 76 bounds.set_width(std::max(0, value)); | |
| 77 else if (property == kX) | |
| 78 bounds.set_x(value); | |
| 79 else if (property == kY) | |
| 80 bounds.set_y(value); | |
| 81 else | |
| 82 return Response::Error("Unsupported property=" + property); | |
| 83 } | |
| 84 return Response::OK(); | |
| 85 } | |
| 86 | |
| 87 } // namespace | |
| 88 | |
| 89 AshDevToolsCSSAgent::AshDevToolsCSSAgent(AshDevToolsDOMAgent* dom_agent) | |
| 90 : dom_agent_(dom_agent) { | |
| 91 DCHECK(dom_agent_); | |
| 92 } | |
| 93 | |
| 94 AshDevToolsCSSAgent::~AshDevToolsCSSAgent() { | |
| 95 disable(); | |
| 96 } | |
| 97 | |
| 98 ui::devtools::protocol::Response AshDevToolsCSSAgent::enable() { | |
| 99 dom_agent_->AddObserver(this); | |
| 100 return ui::devtools::protocol::Response::OK(); | |
| 101 } | |
| 102 | |
| 103 ui::devtools::protocol::Response AshDevToolsCSSAgent::disable() { | |
| 104 dom_agent_->RemoveObserver(this); | |
| 105 return ui::devtools::protocol::Response::OK(); | |
| 106 } | |
| 107 | |
| 108 ui::devtools::protocol::Response AshDevToolsCSSAgent::getMatchedStylesForNode( | |
| 109 int node_id, | |
| 110 ui::devtools::protocol::Maybe<ui::devtools::protocol::CSS::CSSStyle>* | |
| 111 inline_style) { | |
| 112 *inline_style = GetStylesForNode(node_id); | |
| 113 if (!inline_style) { | |
| 114 return ui::devtools::protocol::Response::Error( | |
| 115 "Node with that id not found"); | |
| 116 } | |
| 117 return ui::devtools::protocol::Response::OK(); | |
| 118 } | |
| 119 | |
| 120 ui::devtools::protocol::Response AshDevToolsCSSAgent::setStyleTexts( | |
| 121 std::unique_ptr<ui::devtools::protocol::Array< | |
| 122 ui::devtools::protocol::CSS::StyleDeclarationEdit>> edits, | |
| 123 std::unique_ptr< | |
| 124 ui::devtools::protocol::Array<ui::devtools::protocol::CSS::CSSStyle>>* | |
| 125 result) { | |
| 126 std::unique_ptr< | |
| 127 ui::devtools::protocol::Array<ui::devtools::protocol::CSS::CSSStyle>> | |
| 128 updated_styles = ui::devtools::protocol::Array< | |
| 129 ui::devtools::protocol::CSS::CSSStyle>::create(); | |
| 130 for (size_t i = 0; i < edits->length(); i++) { | |
| 131 auto* edit = edits->get(i); | |
| 132 int node_id; | |
| 133 if (!base::StringToInt(edit->getStyleSheetId(), &node_id)) | |
| 134 return ui::devtools::protocol::Response::Error("Invalid node id"); | |
| 135 | |
| 136 gfx::Rect updated_bounds; | |
| 137 if (!GetBoundsForNodeId(node_id, &updated_bounds)) { | |
| 138 return ui::devtools::protocol::Response::Error( | |
| 139 "No node found with that id"); | |
| 140 } | |
| 141 | |
| 142 ui::devtools::protocol::Response response( | |
| 143 ParseBounds(edit->getText(), updated_bounds)); | |
| 144 if (!response.isSuccess()) | |
| 145 return response; | |
| 146 | |
| 147 updated_styles->addItem(BuildCSSStyle(node_id, updated_bounds)); | |
| 148 if (!UpdateBounds(node_id, updated_bounds)) { | |
| 149 return ui::devtools::protocol::Response::Error( | |
| 150 "No node found with that id"); | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 *result = std::move(updated_styles); | |
| 155 return ui::devtools::protocol::Response::OK(); | |
| 156 } | |
| 157 | |
| 158 void AshDevToolsCSSAgent::OnWindowBoundsChanged(WmWindow* window) { | |
| 159 InvalidateStyleSheet(dom_agent_->GetNodeIdFromWindow(window)); | |
| 160 } | |
| 161 | |
| 162 void AshDevToolsCSSAgent::OnWidgetBoundsChanged(views::Widget* widget) { | |
| 163 InvalidateStyleSheet(dom_agent_->GetNodeIdFromWidget(widget)); | |
| 164 } | |
| 165 | |
| 166 void AshDevToolsCSSAgent::OnViewBoundsChanged(views::View* view) { | |
| 167 InvalidateStyleSheet(dom_agent_->GetNodeIdFromView(view)); | |
| 168 } | |
| 169 | |
| 170 std::unique_ptr<ui::devtools::protocol::CSS::CSSStyle> | |
| 171 AshDevToolsCSSAgent::GetStylesForNode(int node_id) { | |
| 172 gfx::Rect bounds; | |
| 173 return GetBoundsForNodeId(node_id, &bounds) ? BuildCSSStyle(node_id, bounds) | |
| 174 : nullptr; | |
| 175 } | |
| 176 | |
| 177 void AshDevToolsCSSAgent::InvalidateStyleSheet(int node_id) { | |
| 178 // The stylesheetId for each node is equivalent to its node_id (as a string). | |
| 179 frontend()->styleSheetChanged(base::IntToString(node_id)); | |
| 180 } | |
| 181 | |
| 182 bool AshDevToolsCSSAgent::GetBoundsForNodeId(int node_id, gfx::Rect* bounds) { | |
| 183 WmWindow* window = dom_agent_->GetWindowFromNodeId(node_id); | |
| 184 if (window) { | |
| 185 *bounds = window->GetBounds(); | |
| 186 return true; | |
| 187 } | |
| 188 | |
| 189 views::Widget* widget = dom_agent_->GetWidgetFromNodeId(node_id); | |
| 190 if (widget) { | |
| 191 *bounds = widget->GetRestoredBounds(); | |
| 192 return true; | |
| 193 } | |
| 194 | |
| 195 views::View* view = dom_agent_->GetViewFromNodeId(node_id); | |
| 196 if (view) { | |
| 197 *bounds = view->bounds(); | |
| 198 return true; | |
| 199 } | |
| 200 | |
| 201 return false; | |
| 202 } | |
| 203 | |
| 204 bool AshDevToolsCSSAgent::UpdateBounds(int node_id, const gfx::Rect& bounds) { | |
| 205 WmWindow* window = dom_agent_->GetWindowFromNodeId(node_id); | |
| 206 if (window) { | |
| 207 window->SetBounds(bounds); | |
| 208 return true; | |
| 209 } | |
| 210 | |
| 211 views::Widget* widget = dom_agent_->GetWidgetFromNodeId(node_id); | |
| 212 if (widget) { | |
| 213 widget->SetBounds(bounds); | |
| 214 return true; | |
| 215 } | |
| 216 | |
| 217 views::View* view = dom_agent_->GetViewFromNodeId(node_id); | |
| 218 if (view) { | |
| 219 view->SetBoundsRect(bounds); | |
| 220 return true; | |
| 221 } | |
| 222 | |
| 223 return false; | |
| 224 } | |
| 225 | |
| 226 } // namespace devtools | |
| 227 } // namespace ash | |
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