chromium/ui/message_center/public/cpp/message_center_constants.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_MESSAGE_CENTER_PUBLIC_CPP_MESSAGE_CENTER_CONSTANTS_H_
#define UI_MESSAGE_CENTER_PUBLIC_CPP_MESSAGE_CENTER_CONSTANTS_H_

#include <stddef.h>

#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "chromeos/constants/chromeos_features.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/color_palette.h"

// TODO(estade): many of these constants could be internalized.
namespace message_center {

// Exported values /////////////////////////////////////////////////////////////

// Square image sizes in DIPs.
const int kNotificationButtonIconSize = …;
const int kNotificationIconSize = …;
const int kQuickSettingIconSizeInDp = …;
// A border is applied to images that have a non-preferred aspect ratio.
const int kNotificationImageBorderSize = …;
const int kNotificationPreferredImageWidth = …;
const int kNotificationPreferredImageHeight = …;
const int kSmallImageSize = …;
const int kSmallImageSizeMD = …;
const int kSmallImagePadding = …;

// Rounded corners are applied to large and small images in ash
constexpr int kImageCornerRadius = …;
constexpr int kJellyImageCornerRadius = …;

// Limits.
const size_t kMaxVisibleMessageCenterNotifications = …;
const size_t kMaxVisiblePopupNotifications = …;

// DIP dimension; H size of the whole card.
const int kNotificationWidth = …;

// DIP dimension; H size of the whole card.
const int kChromeOSNotificationWidth = …;

// Within a notification ///////////////////////////////////////////////////////

// DIP dimensions (H = horizontal, V = vertical).

const int kIconToTextPadding = …;  // H space between icon & title/message.
const int kTextTopPadding = …;     // V space between text elements.
const int kIconBottomPadding = …;  // Minimum non-zero V space between icon
                                    // and frame.
// H space between the context message and the end of the card.
const int kTextRightPadding = …;
const int kTextLeftPadding = …;
const int kControlButtonPadding = …;
const int kControlButtonBorderSize = …;

// Text sizes.
const int kTitleFontSize = …;        // For title only.
const int kEmptyCenterFontSize = …;  // For empty message only.
const int kTitleLineHeight = …;      // In DIPs.
const int kMessageFontSize = …;      // For everything but title.
const int kMessageLineHeight = …;    // In DIPs.

// Line limits.
const int kMaxTitleLines = …;
const int kMessageCollapsedLineLimit = …;
const int kMessageExpandedLineLimit = …;
const int kContextMessageLineLimit = …;

// Title.
constexpr int kMinPixelsPerTitleCharacter = …;

// Message.

// Max number of lines for message_label_.
constexpr int kMaxLinesForMessageLabel = …;
constexpr int kMaxLinesForExpandedMessageLabel = …;

// For list notifications.
// Not used when --enabled-new-style-notification is set.
const size_t kNotificationMaximumItems = …;

// This is an experimental short delay for all notification timeouts.
// It is currently only enabled if the kNotificationExperimentalShortTimeouts
// flag is enabled. If disabled the below delays are used as before.
const int kAutocloseShortDelaySeconds = …;
// Timing. Web Notifications always use high-priority timings except on
// Chrome OS. Given the absence of a notification center on non-Chrome OS
// platforms, this improves users' ability to interact with the toasts.
const int kAutocloseDefaultDelaySeconds = …;
const int kAutocloseHighPriorityDelaySeconds = …;
const int kAutocloseCrosHighPriorityDelaySeconds = …;

// Buttons.
const int kButtonHeight = …;              // In DIPs.
const int kButtonHorizontalPadding = …;   // In DIPs.
const int kButtonIconTopPadding = …;      // In DIPs.
const int kButtonIconToTitlePadding = …;  // In DIPs.

// Max number of lines for progress notification status_view_.
const int kMaxLinesForStatusView = …;

// Progress bar.
const int kProgressBarTopPadding = …;
#if BUILDFLAG(IS_APPLE)
const int kProgressBarThickness = 5;
const int kProgressBarCornerRadius = 3;
#endif

// Around notifications ////////////////////////////////////////////////////////

// Horizontal & vertical thickness of the border around the notifications in the
// notification list.
constexpr int kNotificationBorderThickness = …;
// Horizontal & vertical space around & between notifications in the
// notification list.
constexpr int kMarginBetweenItemsInList = …;

// Horizontal & vertical space around & between popup notifications.
#if BUILDFLAG(IS_CHROMEOS_ASH)
constexpr int kMarginBetweenPopups = 8;
#else
constexpr int kMarginBetweenPopups = …;
#endif

// Radius of the rounded corners of a notification.
// The corners are only rounded in Chrome OS.
constexpr int kNotificationCornerRadius = …;

// Animation Durations
constexpr int kNotificationResizeAnimationDurationMs = …;

// Returns the width of the notification.
inline int GetNotificationWidth() { … }

// Returns the character limit per line; character limit = pixels per line *
// line limit / min. pixels per character.
inline int GetMessageCharacterLimit() { … }
}  // namespace message_center

#endif  // UI_MESSAGE_CENTER_PUBLIC_CPP_MESSAGE_CENTER_CONSTANTS_H_