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// Copyright 2015 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 UI_VIEWS_STYLE_PLATFORM_STYLE_H_
#define UI_VIEWS_STYLE_PLATFORM_STYLE_H_
#include <memory>
#include "base/macros.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/custom_button.h"
#include "ui/views/views_export.h"
namespace views {
class Border;
class Label;
class LabelButton;
class ScrollBar;
// Cross-platform API for providing platform-specific styling for toolkit-views.
class VIEWS_EXPORT PlatformStyle {
public:
// Type used by LabelButton to map button states to text colors.
using ButtonColorByState = SkColor[Button::STATE_COUNT];
// Minimum size for platform-styled buttons (Button::STYLE_BUTTON).
static const int kMinLabelButtonWidth;
static const int kMinLabelButtonHeight;
// Whether dialog-default buttons are given a bold font style.
static const bool kDefaultLabelButtonHasBoldFont;
// Whether the default button for a dialog can be the Cancel button.
static const bool kDialogDefaultButtonCanBeCancel;
// Whether right clicking on text, selects the word under cursor.
static const bool kSelectWordOnRightClick;
// Whether right clicking inside an unfocused text view selects all the text.
static const bool kSelectAllOnRightClickWhenUnfocused;
// The menu button's action to show the menu.
static const CustomButton::NotifyAction kMenuNotifyActivationAction;
// Whether the Space key clicks a button on key press or key release.
static const CustomButton::KeyClickAction kKeyClickActionOnSpace;
// Whether the Return key clicks the focused control (on key press).
// Otherwise, Return does nothing unless it is handled by an accelerator.
static const bool kReturnClicksFocusedControl;
// Whether selecting a row in a TreeView selects the entire row or only the
// label for that row.
static const bool kTreeViewSelectionPaintsEntireRow;
// Whether TreeViews use a separate icon for the currently selected node's
// ancestors.
static const bool kTreeViewUsesOpenIcon;
// Whether ripples should be used for visual feedback on control activation.
static const bool kUseRipples;
// Whether to mirror the arrow of bubble dialogs in RTL, such that the bubble
// opens in the opposite direction.
static const bool kMirrorBubbleArrowInRTLByDefault;
// Creates the default scrollbar for the given orientation.
static std::unique_ptr<ScrollBar> CreateScrollBar(bool is_horizontal);
// Returns the current text color for the current button state.
static SkColor TextColorForButton(const ButtonColorByState& color_by_state,
const LabelButton& button);
// Applies platform styles to |label| and fills |color_by_state| with the text
// colors for normal, pressed, hovered, and disabled states, if the colors for
// Button::STYLE_BUTTON buttons differ from those provided by ui::NativeTheme.
static void ApplyLabelButtonTextStyle(Label* label,
ButtonColorByState* color_by_state);
// Applies the current system theme to the default border created by |button|.
static std::unique_ptr<Border> CreateThemedLabelButtonBorder(
LabelButton* button);
// Called whenever a textfield edit fails. Gives visual/audio feedback about
// the failed edit if platform-appropriate.
static void OnTextfieldEditFailed();
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformStyle);
};
} // namespace views
#endif // UI_VIEWS_STYLE_PLATFORM_STYLE_H_
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