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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_HUD_DISPLAY_GRAPH_PAGE_VIEW_BASE_H_
#define ASH_HUD_DISPLAY_GRAPH_PAGE_VIEW_BASE_H_
#include "ash/hud_display/data_source.h"
#include "ash/hud_display/legend.h"
#include "base/memory/raw_ptr.h"
#include "base/sequence_checker.h"
#include "ui/views/view.h"
namespace views {
class ImageButton;
}
namespace ash {
namespace hud_display {
class Legend;
class ReferenceLines;
// Interface for a single graph page.
class GraphPageViewBase : public views::View {
METADATA_HEADER(GraphPageViewBase, views::View)
public:
GraphPageViewBase();
GraphPageViewBase(const GraphPageViewBase&) = delete;
GraphPageViewBase& operator=(const GraphPageViewBase&) = delete;
~GraphPageViewBase() override;
// Update page data from the new snapshot.
virtual void UpdateData(const DataSource::Snapshot& snapshot) = 0;
// Adds default legend.
void CreateLegend(const std::vector<Legend::Entry>& entries);
// Put the |ReferenceLines| object in its dedicated container. See
// |ReferenceLines| for details.
ReferenceLines* CreateReferenceLines(float left,
float top,
float right,
float bottom,
const std::u16string& x_unit,
const std::u16string& y_unit,
int horizontal_points_number,
int horizontal_ticks_interval,
float vertical_ticks_interval);
protected:
void RefreshLegendValues();
private:
void OnButtonPressed();
// Container for the |ReferenceLines| object.
raw_ptr<views::View> reference_lines_container_ = nullptr; // not owned
// Container for the legend object.
raw_ptr<views::View> legend_container_ = nullptr; // not owned
raw_ptr<views::ImageButton> legend_min_max_button_ = nullptr; // not owned
raw_ptr<Legend> legend_ = nullptr; // not owned
SEQUENCE_CHECKER(ui_sequence_checker_);
};
} // namespace hud_display
} // namespace ash
#endif // ASH_HUD_DISPLAY_GRAPH_PAGE_VIEW_BASE_H_
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