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// Copyright (c) 2018 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.
#include "ui/views/controls/button/md_text_button.h"
class OmniboxPopupContentsView;
class OmniboxResultView;
namespace gfx {
class SlideAnimation;
class OmniboxTabSwitchButton : public views::MdTextButton {
OmniboxTabSwitchButton(OmniboxPopupContentsView* popup_contents_view,
OmniboxResultView* result_view,
const base::string16& hint,
const base::string16& hint_short,
const gfx::VectorIcon& icon);
~OmniboxTabSwitchButton() override;
// views::MdTextButton:
gfx::Size CalculatePreferredSize() const override;
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
std::unique_ptr<views::InkDropMask> CreateInkDropMask() const override;
void AnimationProgressed(const gfx::Animation* animation) override;
void StateChanged(ButtonState old_state) override;
// Called by parent views to change background on external (not mouse related)
// event (tab key).
void UpdateBackground();
// Called by parent view to provide the width of the surrounding area
// so the button can adjust its size or even presence.
void ProvideWidthHint(size_t width);
// Called to indicate button has been focused.
void ProvideFocusHint();
void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
// Consults the parent views to see if the button is selected.
bool IsSelected() const;
// Produces a path custom to this button for the focus ring to follow.
SkPath GetFocusRingPath() const;
// Encapsulates the color look-up, which uses the button state (hovered,
// etc.) and consults the parent result view.
SkColor GetBackgroundColor() const;
// Encapsulates changing the color of the button to display being
// pressed.
void SetPressed();
// Helper function to translate parent width into goal width, and
// pass back the text at that width.
size_t CalculateGoalWidth(size_t parent_width, base::string16* goal_text);
static constexpr int kButtonHeight = 32;
// The ancestor views.
OmniboxPopupContentsView* const popup_contents_view_;
OmniboxResultView* const result_view_;
// Only calculate the width of various contents once.
static bool calculated_widths_;
static size_t icon_only_width_;
static size_t short_text_width_;
static size_t full_text_width_;
// To distinguish start-up case, where we don't want animation.
bool initialized_;
// Animation starting width, and final value.
size_t start_width_, goal_width_;
// The text to be displayed when we reach |goal_width_|.
base::string16 goal_text_;
std::unique_ptr<gfx::SlideAnimation> animation_;
// Label strings for hint text and its short version (may be same).
base::string16 hint_;
base::string16 hint_short_;