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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_CHROME_LAYOUT_PROVIDER_H_
#define CHROME_BROWSER_UI_VIEWS_CHROME_LAYOUT_PROVIDER_H_
#include <memory>
#include "chrome/browser/ui/views/chrome_typography_provider.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/layout/layout_provider.h"
enum ChromeInsetsMetric {
// Padding around buttons on the bookmarks bar.
INSETS_BOOKMARKS_BAR_BUTTON = views::VIEWS_INSETS_END,
// Margins used by toasts.
INSETS_TOAST,
// Padding used in an omnibox pill button.
INSETS_OMNIBOX_PILL_BUTTON,
// Padding used in an page info hover button.
INSETS_PAGE_INFO_HOVER_BUTTON,
// Padding used in Infobar view.
INSETS_INFOBAR_VIEW,
};
enum ChromeDistanceMetric {
// Default minimum width of a button.
DISTANCE_BUTTON_MINIMUM_WIDTH = views::VIEWS_DISTANCE_END,
// Vertical spacing at the beginning and end of a content list (a vertical
// stack of composite views that behaves like a menu) containing one item.
DISTANCE_CONTENT_LIST_VERTICAL_SINGLE,
// Same as |DISTANCE_CONTENT_LIST_VERTICAL_SINGLE|, but used at the beginning
// and end of a multi-item content list.
DISTANCE_CONTENT_LIST_VERTICAL_MULTI,
// Vertical spacing between a list of multiple controls in one column.
DISTANCE_CONTROL_LIST_VERTICAL,
// Width of the space in a dropdown button between its label and down arrow.
DISTANCE_DROPDOWN_BUTTON_LABEL_ARROW_SPACING,
// Width of the horizontal padding in a dropdown button between the down arrow
// and the button's border.
DISTANCE_DROPDOWN_BUTTON_RIGHT_MARGIN,
// Width of the extensions menu.
DISTANCE_EXTENSIONS_MENU_WIDTH,
// Width and height of a button's icon in the extensions menu.
DISTANCE_EXTENSIONS_MENU_BUTTON_ICON_SIZE,
// Width and height of a small button's icon in the extensions menu.
DISTANCE_EXTENSIONS_MENU_BUTTON_ICON_SMALL_SIZE,
// Width and height of an extension's icon in the extensions menu. This are
// larger than menu button's icons because it contains internal padding to
// provide space for badging.
DISTANCE_EXTENSIONS_MENU_EXTENSION_ICON_SIZE,
// Size difference between the two types of icons in the menu. This is used as
// horizontal and vertical margins to align extensions menu rows.
DISTANCE_EXTENSIONS_MENU_ICON_SPACING,
// Vertical and horizontal margin for menu buttons.
DISTANCE_EXTENSIONS_MENU_BUTTON_MARGIN,
// Smaller horizontal spacing between other controls that are logically
// related.
DISTANCE_RELATED_CONTROL_HORIZONTAL_SMALL,
// Smaller vertical spacing between controls that are logically related.
DISTANCE_RELATED_CONTROL_VERTICAL_SMALL,
// Horizontal spacing between an item and the related label, in the context of
// a row of such items. E.g. the bookmarks bar.
DISTANCE_RELATED_LABEL_HORIZONTAL_LIST,
// Horizontal indent of a subsection relative to related items above, e.g.
// checkboxes below explanatory text/headings.
DISTANCE_SUBSECTION_HORIZONTAL_INDENT,
// Vertical margin for controls in a toast.
DISTANCE_TOAST_CONTROL_VERTICAL,
// Vertical margin for labels in a toast.
DISTANCE_TOAST_LABEL_VERTICAL,
// Horizontal spacing between controls that are logically unrelated.
DISTANCE_UNRELATED_CONTROL_HORIZONTAL,
// Larger horizontal spacing between unrelated controls.
DISTANCE_UNRELATED_CONTROL_HORIZONTAL_LARGE,
// Larger vertical spacing between unrelated controls.
DISTANCE_UNRELATED_CONTROL_VERTICAL_LARGE,
// Width of larger modal dialogs that require extra width.
DISTANCE_LARGE_MODAL_DIALOG_PREFERRED_WIDTH,
// Width and height of a vector icon in a bubble's header (i.e. the one
// returned from GetWindowIcon).
DISTANCE_BUBBLE_HEADER_VECTOR_ICON_SIZE,
// Width of a bubble that appears mid-screen (like a standalone dialog)
// instead of being anchored.
DISTANCE_STANDALONE_BUBBLE_PREFERRED_WIDTH,
// Horizontal spacing between value and description in the row.
DISTANCE_BETWEEN_PRIMARY_AND_SECONDARY_LABELS_HORIZONTAL,
// Vertical padding at the top and bottom of the an omnibox match row.
DISTANCE_OMNIBOX_CELL_VERTICAL_PADDING,
// Vertical padding at the top and bottom of the an omnibox match row for two
// line layout.
DISTANCE_OMNIBOX_TWO_LINE_CELL_VERTICAL_PADDING,
// Width and Height of a vector icon in the side panel header.
DISTANCE_SIDE_PANEL_HEADER_VECTOR_ICON_SIZE,
// Minimum size of the header vector icon buttons to get the proper ripple.
DISTANCE_SIDE_PANEL_HEADER_BUTTON_MINIMUM_SIZE,
// Horizontal spacing for separating side panel header border from controls.
DISTANCE_SIDE_PANEL_HEADER_INTERIOR_MARGIN_HORIZONTAL,
// Horizontal padding between separator in the page info view.
DISTANCE_HORIZONTAL_SEPARATOR_PADDING_PAGE_INFO_VIEW,
// Horizontal padding applied between the icon and label in the infobar.
DISTANCE_INFOBAR_HORIZONTAL_ICON_LABEL_PADDING,
// Horizontal padding applied between the icon and label in the permission
// prompt.
DISTANCE_PERMISSION_PROMPT_HORIZONTAL_ICON_LABEL_PADDING,
// Horizontal spacing between icon and label in the rich hover button.
DISTANCE_RICH_HOVER_BUTTON_ICON_HORIZONTAL,
};
class ChromeLayoutProvider : public views::LayoutProvider {
public:
ChromeLayoutProvider();
ChromeLayoutProvider(const ChromeLayoutProvider&) = delete;
ChromeLayoutProvider& operator=(const ChromeLayoutProvider&) = delete;
~ChromeLayoutProvider() override;
static ChromeLayoutProvider* Get();
static std::unique_ptr<views::LayoutProvider> CreateLayoutProvider();
// views::LayoutProvider:
gfx::Insets GetInsetsMetric(int metric) const override;
int GetDistanceMetric(int metric) const override;
int GetSnappedDialogWidth(int min_width) const override;
const views::TypographyProvider& GetTypographyProvider() const override;
// Returns whether to show the icon next to the title text on a dialog.
virtual bool ShouldShowWindowIcon() const;
private:
const ChromeTypographyProvider typography_provider_;
};
#endif // CHROME_BROWSER_UI_VIEWS_CHROME_LAYOUT_PROVIDER_H_
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