webui_tab_counter_button.cc | Explore in Territory

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/views/toolbar/webui_tab_counter_button.h"

#include <memory>
#include <string>

#include "base/functional/bind.h"
#include "base/i18n/message_formatter.h"
#include "base/i18n/number_formatting.h"
#include "base/memory/raw_ptr.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/browser/themes/theme_properties.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_element_identifiers.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "chrome/browser/ui/layout_constants.h"
#include "chrome/browser/ui/tabs/tab_enums.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/tabs/tab_strip_model_delegate.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "chrome/browser/ui/views/chrome_layout_provider.h"
#include "chrome/browser/ui/views/chrome_typography.h"
#include "chrome/browser/ui/views/flying_indicator.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/toolbar/toolbar_ink_drop_util.h"
#include "chrome/grit/generated_resources.h"
#include "components/user_education/common/user_education_class_properties.h"
#include "components/vector_icons/vector_icons.h"
#include "ui/aura/window.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/models/image_model.h"
#include "ui/base/models/menu_separator_types.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/base/theme_provider.h"
#include "ui/gfx/animation/multi_animation.h"
#include "ui/gfx/animation/slide_animation.h"
#include "ui/gfx/animation/tween.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/favicon_size.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/views/animation/ink_drop.h"
#include "ui/views/animation/ink_drop_highlight.h"
#include "ui/views/border.h"
#include "ui/views/bubble/bubble_dialog_delegate_view.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/context_menu_controller.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/menu/menu_model_adapter.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/controls/throbber.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/layout/flex_layout.h"
#include "ui/views/layout/layout_provider.h"
#include "ui/views/style/typography.h"
#include "ui/views/style/typography_provider.h"
#include "ui/views/view_class_properties.h"
#include "ui/views/widget/native_widget.h"
#include "ui/views/widget/widget.h"

namespace {

// The distance to move a label so it appears "offscreen" - that is, the text
// will be clipped by the border and not visible.
constexpr int kOffscreenLabelDistance = …;

constexpr base::TimeDelta kFirstPartDuration = …;

// Returns whether |change| to |tab_strip_mode| should start the tab counter
// throbber animation.
bool ShouldChangeStartThrobber(TabStripModel* tab_strip_model,
                               const TabStripModelChange& change) { … }

std::u16string GetTabCounterLabelText(int num_tabs) { … }

//------------------------------------------------------------------------
// NumberLabel

// Label to display a number of tabs. Because there is limited space within the
// tab counter border, the font shrinks when the count is 10 or higher.
class NumberLabel : public views::Label { … };

BEGIN_METADATA(…)

///////////////////////////////////////////////////////////////////////////////
// InteractionTracker

// Listens in on the widget event stream (as a pre target event handler) and
// records user interactions (mouse clicks, taps, etc.) Used so that we know
// where a link that was opened in a background tab was opened from so that we
// can play a "flying link" animation.
class InteractionTracker : public ui::EventHandler,
                           public views::WidgetObserver { … };

//------------------------------------------------------------------------
// TabCounterAnimator

// Animates the label and border. |border_view_| does a little bounce. At the
// peak of |border_view_|'s bounce, the |disappearing_label_| begins to scroll
// away in the same direction and is replaced with |appearing_label_|, which
// shows the new number of tabs. This animation is played upside-down when a tab
// is added vs. removed.
class TabCounterAnimator : public gfx::AnimationDelegate { … };

TabCounterAnimator::TabCounterAnimator(views::Label* appearing_label,
                                       views::Label* disappearing_label,
                                       views::View* border_view,
                                       views::Throbber* throbber)
    : … { … }

void TabCounterAnimator::Animate(int new_num_tabs, bool should_start_throbber) { … }

void TabCounterAnimator::MaybeStartPendingAnimation() { … }

void TabCounterAnimator::StartFlyingLinkFrom(
    const gfx::Point& screen_position) { … }

void TabCounterAnimator::LayoutIfAnimating() { … }

void TabCounterAnimator::AnimationProgressed(const gfx::Animation* animation) { … }

void TabCounterAnimator::AnimationEnded(const gfx::Animation* animation) { … }

int TabCounterAnimator::GetBorderTargetYDelta() const { … }

int TabCounterAnimator::GetBorderOvershootYDelta() const { … }

int TabCounterAnimator::GetAppearingLabelStartPosition() const { … }

int TabCounterAnimator::GetDisappearingLabelTargetPosition() const { … }

int TabCounterAnimator::GetBorderStartingY() const { … }

//------------------------------------------------------------------------
// WebUITabCounterButton

class WebUITabCounterButton : public views::Button,
                              public TabStripModelObserver,
                              public views::ContextMenuController,
                              public ui::SimpleMenuModel::Delegate { … };

WebUITabCounterButton::WebUITabCounterButton(PressedCallback pressed_callback,
                                             BrowserView* browser_view)
    : … { … }

WebUITabCounterButton::~WebUITabCounterButton() { … }

void WebUITabCounterButton::UpdateTooltip(int num_tabs) { … }

void WebUITabCounterButton::UpdateColors() { … }

void WebUITabCounterButton::Init() { … }

void WebUITabCounterButton::AddedToWidget() { … }

void WebUITabCounterButton::AfterPropertyChange(const void* key,
                                                int64_t old_value) { … }

void WebUITabCounterButton::AddLayerToRegion(ui::Layer* new_layer,
                                             views::LayerRegion region) { … }

void WebUITabCounterButton::RemoveLayerFromRegions(ui::Layer* old_layer) { … }

void WebUITabCounterButton::OnThemeChanged() { … }

void WebUITabCounterButton::Layout(PassKey) { … }

void WebUITabCounterButton::MaybeStartFlyingLink(
    WindowOpenDisposition disposition) { … }

void WebUITabCounterButton::OnTabStripModelChanged(
    TabStripModel* tab_strip_model,
    const TabStripModelChange& change,
    const TabStripSelectionChange& selection) { … }

void WebUITabCounterButton::ShowContextMenuForViewImpl(
    views::View* source,
    const gfx::Point& point,
    ui::MenuSourceType source_type) { … }

void WebUITabCounterButton::ExecuteCommand(int command_id, int event_flags) { … }

BEGIN_METADATA(…)

}  // namespace

std::unique_ptr<views::View> CreateWebUITabCounterButton(
    views::Button::PressedCallback pressed_callback,
    BrowserView* browser_view) { … }
chromium/chrome/browser/ui/views/toolbar/webui_tab_counter_button.cc
