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// Copyright 2016 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_CSS_AGENT_H_
#define COMPONENTS_UI_DEVTOOLS_CSS_AGENT_H_
#include "base/macros.h"
#include "components/ui_devtools/CSS.h"
#include "components/ui_devtools/dom_agent.h"
namespace gfx {
class Rect;
}
namespace ui_devtools {
class UIElement;
class UI_DEVTOOLS_EXPORT CSSAgent
: public UiDevToolsBaseAgent<protocol::CSS::Metainfo>,
public DOMAgentObserver {
public:
explicit CSSAgent(DOMAgent* dom_agent);
~CSSAgent() override;
// CSS::Backend:
protocol::Response enable() override;
protocol::Response disable() override;
protocol::Response getMatchedStylesForNode(
int node_id,
protocol::Maybe<protocol::Array<protocol::CSS::RuleMatch>>*
matched_css_rules) override;
protocol::Response getStyleSheetText(const protocol::String& style_sheet_id,
protocol::String* text) override;
protocol::Response setStyleTexts(
std::unique_ptr<protocol::Array<protocol::CSS::StyleDeclarationEdit>>
edits,
std::unique_ptr<protocol::Array<protocol::CSS::CSSStyle>>* result)
override;
// DOMAgentObserver:
void OnElementBoundsChanged(UIElement* ui_element) override;
private:
std::unique_ptr<protocol::CSS::CSSStyle> GetStylesForUIElement(
UIElement* ui_element);
void InvalidateStyleSheet(UIElement* ui_element);
bool GetPropertiesForUIElement(UIElement* ui_element,
gfx::Rect* bounds,
bool* visible);
bool SetPropertiesForUIElement(UIElement* ui_element,
const gfx::Rect& bounds,
bool visible);
std::unique_ptr<protocol::Array<protocol::CSS::RuleMatch>> BuildMatchedStyles(
UIElement* ui_element);
// Sends header to frontend for each section in properties panel.
void InitStylesheetHeaders(UIElement* ui_element);
DOMAgent* const dom_agent_;
DISALLOW_COPY_AND_ASSIGN(CSSAgent);
};
} // namespace ui_devtools
#endif // COMPONENTS_UI_DEVTOOLS_CSS_AGENT_H_
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