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// Copyright 2012 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/tabs/browser_tab_strip_controller.h"
#include <limits>
#include <memory>
#include <optional>
#include <utility>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "chrome/browser/autocomplete/autocomplete_classifier_factory.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/favicon/favicon_utils.h"
#include "chrome/browser/resource_coordinator/tab_lifecycle_unit_external.h"
#include "chrome/browser/resource_coordinator/tab_lifecycle_unit_source.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_command_controller.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/browser_window/public/browser_window_features.h"
#include "chrome/browser/ui/tab_ui_helper.h"
#include "chrome/browser/ui/tabs/public/tab_features.h"
#include "chrome/browser/ui/tabs/saved_tab_groups/saved_tab_group_utils.h"
#include "chrome/browser/ui/tabs/split_tab_util.h"
#include "chrome/browser/ui/tabs/tab_enums.h"
#include "chrome/browser/ui/tabs/tab_group_deletion_dialog_controller.h"
#include "chrome/browser/ui/tabs/tab_group_model.h"
#include "chrome/browser/ui/tabs/tab_menu_model.h"
#include "chrome/browser/ui/tabs/tab_network_state.h"
#include "chrome/browser/ui/tabs/tab_renderer_data.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/tabs/tab_strip_user_gesture_details.h"
#include "chrome/browser/ui/tabs/tab_utils.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/browser/ui/views/tabs/dragging/tab_drag_controller.h"
#include "chrome/browser/ui/views/tabs/tab.h"
#include "chrome/browser/ui/views/tabs/tab_strip.h"
#include "chrome/browser/ui/views/tabs/tab_strip_types.h"
#include "chrome/browser/ui/web_applications/app_browser_controller.h"
#include "chrome/browser/ui/web_applications/web_app_tabbed_utils.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/generated_resources.h"
#include "components/feature_engagement/public/feature_constants.h"
#include "components/feature_engagement/public/tracker.h"
#include "components/omnibox/browser/autocomplete_classifier.h"
#include "components/omnibox/browser/autocomplete_match.h"
#include "components/performance_manager/public/user_tuning/prefs.h"
#include "components/saved_tab_groups/public/features.h"
#include "components/saved_tab_groups/public/saved_tab_group.h"
#include "components/saved_tab_groups/public/tab_group_sync_service.h"
#include "components/tab_groups/tab_group_color.h"
#include "components/tab_groups/tab_group_id.h"
#include "components/tab_groups/tab_group_visual_data.h"
#include "components/tabs/public/split_tab_data.h"
#include "components/tabs/public/split_tab_id.h"
#include "components/tabs/public/split_tab_visual_data.h"
#include "components/tabs/public/tab_group.h"
#include "components/tabs/public/tab_interface.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/peak_gpu_memory_tracker_factory.h"
#include "content/public/browser/web_contents.h"
#include "ipc/ipc_message.h"
#include "third_party/metrics_proto/omnibox_event.pb.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/list_selection_model.h"
#include "ui/base/models/menu_model.h"
#include "ui/base/mojom/menu_source_type.mojom-forward.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/color_utils.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/range/range.h"
#include "ui/gfx/text_elider.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/widget/widget.h"
#include "url/origin.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/public/cpp/window_properties.h"
#include "chromeos/ash/experiences/system_web_apps/types/system_web_app_delegate.h"
#endif // BUILDFLAG(IS_CHROMEOS)
#if defined(USE_AURA)
#include "ui/aura/window.h"
#endif
using base::UserMetricsAction;
using content::WebContents;
namespace {
// Gets the source browser view during a tab dragging. Returns nullptr if there
// is none.
BrowserView* GetSourceBrowserViewInTabDragging() {
auto* source_context = TabDragController::GetSourceContext();
if (source_context) {
gfx::NativeWindow source_window =
source_context->GetWidget()->GetNativeWindow();
if (source_window) {
return BrowserView::GetBrowserViewForNativeWindow(source_window);
}
}
return nullptr;
}
void DialogTimingToSource(
base::OnceCallback<void(CloseTabSource)> callback,
CloseTabSource source,
tab_groups::DeletionDialogController::DeletionDialogTiming timing) {
switch (timing) {
case tab_groups::DeletionDialogController::DeletionDialogTiming::
Synchronous: {
std::move(callback).Run(source);
return;
}
case tab_groups::DeletionDialogController::DeletionDialogTiming::
Asynchronous: {
std::move(callback).Run(CloseTabSource::kFromNonUIEvent);
return;
}
}
}
} // namespace
class BrowserTabStripController::TabContextMenuContents
: public ui::SimpleMenuModel::Delegate {
public:
TabContextMenuContents(Tab* tab, BrowserTabStripController* controller)
: tab_(tab), controller_(controller) {
model_ = controller_->menu_model_factory_->Create(
this,
controller->GetBrowserWindowInterface()
->GetFeatures()
.tab_menu_model_delegate(),
controller->model_,
controller->tabstrip_->GetModelIndexOf(tab).value());
// Because we use "new" badging for feature promos, we cannot use system-
// native context menus. (See crbug.com/1109256.)
const int run_flags =
views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU;
menu_runner_ = std::make_unique<views::MenuRunner>(
model_.get(), run_flags,
base::BindRepeating(&TabContextMenuContents::OnMenuClosed,
base::Unretained(this)));
}
TabContextMenuContents(const TabContextMenuContents&) = delete;
TabContextMenuContents& operator=(const TabContextMenuContents&) = delete;
void Cancel() { controller_ = nullptr; }
void CloseMenu() {
if (menu_runner_) {
menu_runner_->Cancel();
}
}
void OnMenuClosed() { tab_ = nullptr; }
void RunMenuAt(const gfx::Point& point,
ui::mojom::MenuSourceType source_type) {
menu_runner_->RunMenuAt(tab_->GetWidget(), nullptr,
gfx::Rect(point, gfx::Size()),
views::MenuAnchorPosition::kTopLeft, source_type);
}
// Overridden from ui::SimpleMenuModel::Delegate:
bool IsCommandIdChecked(int command_id) const override { return false; }
bool IsCommandIdEnabled(int command_id) const override {
return controller_->IsCommandEnabledForTab(
static_cast<TabStripModel::ContextMenuCommand>(command_id), tab_);
}
bool IsCommandIdAlerted(int command_id) const override { return false; }
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) const override {
#if BUILDFLAG(IS_CHROMEOS)
auto* browser = controller_->browser_view_->browser();
auto* system_app = browser->app_controller()
? browser->app_controller()->system_app()
: nullptr;
if (system_app && !system_app->ShouldShowTabContextMenuShortcut(
browser->profile(), command_id)) {
return false;
}
#endif // BUILDFLAG(IS_CHROMEOS)
int browser_cmd;
return TabStripModel::ContextMenuCommandToBrowserCommand(command_id,
&browser_cmd) &&
controller_->tabstrip_->GetWidget()->GetAccelerator(browser_cmd,
accelerator);
}
void ExecuteCommand(int command_id, int event_flags) override {
// Executing the command destroys `this`, and can also end up destroying
// `controller_`. So stop the highlights before executing the command.
controller_->ExecuteCommandForTab(
static_cast<TabStripModel::ContextMenuCommand>(command_id), tab_);
}
private:
std::unique_ptr<ui::SimpleMenuModel> model_;
std::unique_ptr<views::MenuRunner> menu_runner_;
// The tab we're showing a menu for.
raw_ptr<Tab> tab_;
// A pointer back to our hosting controller, for command state information.
raw_ptr<BrowserTabStripController> controller_;
};
////////////////////////////////////////////////////////////////////////////////
// BrowserTabStripController, public:
BrowserTabStripController::BrowserTabStripController(
TabStripModel* model,
BrowserView* browser_view,
std::unique_ptr<TabMenuModelFactory> menu_model_factory_override)
: model_(model),
tabstrip_(nullptr),
browser_view_(browser_view),
hover_tab_selector_(model),
menu_model_factory_(std::move(menu_model_factory_override)) {
if (!menu_model_factory_) {
// Use the default one.
menu_model_factory_ = std::make_unique<TabMenuModelFactory>();
}
model_->SetTabStripUI(this);
should_show_discard_indicator_ = g_browser_process->local_state()->GetBoolean(
performance_manager::user_tuning::prefs::kDiscardRingTreatmentEnabled);
local_state_registrar_.Init(g_browser_process->local_state());
local_state_registrar_.Add(
performance_manager::user_tuning::prefs::kDiscardRingTreatmentEnabled,
base::BindRepeating(
&BrowserTabStripController::OnDiscardRingTreatmentEnabledChanged,
base::Unretained(this)));
}
BrowserTabStripController::~BrowserTabStripController() {
// When we get here the TabStrip is being deleted. We need to explicitly
// cancel the menu, otherwise it may try to invoke something on the tabstrip
// from its destructor.
if (context_menu_contents_.get()) {
context_menu_contents_->Cancel();
}
model_->RemoveObserver(this);
}
void BrowserTabStripController::InitFromModel(TabStrip* tabstrip) {
tabstrip_ = tabstrip;
// Walk the model, calling our insertion observer method for each item within
// it.
std::vector<std::pair<WebContents*, int>> tabs_to_add;
for (int i = 0; i < model_->count(); ++i) {
tabs_to_add.emplace_back(model_->GetWebContentsAt(i), i);
}
AddTabs(tabs_to_add);
}
bool BrowserTabStripController::IsCommandEnabledForTab(
TabStripModel::ContextMenuCommand command_id,
const Tab* tab) const {
const std::optional<int> model_index = tabstrip_->GetModelIndexOf(tab);
return model_index.has_value() ? model_->IsContextMenuCommandEnabled(
model_index.value(), command_id)
: false;
}
void BrowserTabStripController::ExecuteCommandForTab(
TabStripModel::ContextMenuCommand command_id,
const Tab* tab) {
const std::optional<int> model_index = tabstrip_->GetModelIndexOf(tab);
if (model_index.has_value()) {
model_->ExecuteContextMenuCommand(model_index.value(), command_id);
}
}
bool BrowserTabStripController::IsTabPinned(const Tab* tab) const {
return IsTabPinned(tabstrip_->GetModelIndexOf(tab).value());
}
const ui::ListSelectionModel& BrowserTabStripController::GetSelectionModel()
const {
return model_->selection_model();
}
int BrowserTabStripController::GetCount() const {
return model_->count();
}
bool BrowserTabStripController::CanShowModalUI() const {
return model_->CanShowModalUI();
}
std::unique_ptr<ScopedTabStripModalUI>
BrowserTabStripController::ShowModalUI() {
return model_->ShowModalUI();
}
bool BrowserTabStripController::IsValidIndex(int index) const {
return model_->ContainsIndex(index);
}
bool BrowserTabStripController::IsActiveTab(int model_index) const {
return GetActiveIndex() == model_index;
}
std::optional<int> BrowserTabStripController::GetActiveIndex() const {
const int active_index = model_->active_index();
if (IsValidIndex(active_index)) {
return active_index;
}
return std::nullopt;
}
bool BrowserTabStripController::IsTabSelected(int model_index) const {
return model_->IsTabSelected(model_index);
}
bool BrowserTabStripController::IsTabPinned(int model_index) const {
return model_->ContainsIndex(model_index) && model_->IsTabPinned(model_index);
}
void BrowserTabStripController::SelectTab(int model_index,
const ui::Event& event) {
// When selecting a split tab, activate the most recently focused tab in the
// split.
std::optional<split_tabs::SplitTabId> split_id =
tabstrip_->tab_at(model_index)->split();
if (split_id.has_value()) {
model_index = split_tabs::GetIndexOfLastActiveTab(
browser()->tab_strip_model(), split_id.value());
}
std::unique_ptr<viz::PeakGpuMemoryTracker> tracker =
content::PeakGpuMemoryTrackerFactory::Create(
viz::PeakGpuMemoryTracker::Usage::CHANGE_TAB);
TabStripUserGestureDetails gesture_detail(
TabStripUserGestureDetails::GestureType::kOther, event.time_stamp());
TabStripUserGestureDetails::GestureType type =
TabStripUserGestureDetails::GestureType::kOther;
if (event.type() == ui::EventType::kMousePressed) {
type = TabStripUserGestureDetails::GestureType::kMouse;
} else if (event.type() == ui::EventType::kGestureTapDown) {
type = TabStripUserGestureDetails::GestureType::kTouch;
}
gesture_detail.type = type;
model_->ActivateTabAt(model_index, gesture_detail);
tabstrip_->GetWidget()
->GetCompositor()
->RequestSuccessfulPresentationTimeForNextFrame(base::BindOnce(
[](std::unique_ptr<viz::PeakGpuMemoryTracker> tracker,
const viz::FrameTimingDetails& frame_timing_details) {
// This callback will be ran once the ui::Compositor presents the
// next frame for the `tabstrip_`. The destruction of `tracker` will
// get the peak GPU memory and record a histogram.
},
std::move(tracker)));
}
void BrowserTabStripController::RecordMetricsOnTabSelectionChange(
std::optional<tab_groups::TabGroupId> group) {
base::UmaHistogramEnumeration("TabStrip.Tab.Views.ActivationAction",
TabActivationTypes::kTab);
if (!group) {
return;
}
base::RecordAction(base::UserMetricsAction("TabGroups_SwitchGroupedTab"));
if (!tab_groups::SavedTabGroupUtils::SupportsSharedTabGroups()) {
return;
}
tab_groups::TabGroupSyncService* tab_group_service =
tab_groups::SavedTabGroupUtils::GetServiceForProfile(
browser_view_->GetProfile());
if (!tab_group_service) {
return;
}
std::optional<tab_groups::SavedTabGroup> saved_group =
tab_group_service->GetGroup(group.value());
if (saved_group && saved_group->collaboration_id()) {
base::RecordAction(
base::UserMetricsAction("TabGroups.Shared.SwitchGroupedTab"));
}
}
void BrowserTabStripController::ExtendSelectionTo(int model_index) {
model_->ExtendSelectionTo(model_index);
}
void BrowserTabStripController::ToggleSelected(int model_index) {
if (model_->IsTabSelected(model_index)) {
model_->DeselectTabAt(model_index);
} else {
model_->SelectTabAt(model_index);
}
}
void BrowserTabStripController::AddSelectionFromAnchorTo(int model_index) {
model_->AddSelectionFromAnchorTo(model_index);
}
void BrowserTabStripController::OnCloseTab(
int model_index,
CloseTabSource source,
base::OnceCallback<void(CloseTabSource)> callback) {
if (!web_app::IsTabClosable(model_, model_index)) {
return;
}
#if BUILDFLAG(IS_CHROMEOS)
// Tabs cannot be closed when the app is locked for OnTask. Only relevant for
// non-web browser scenarios.
if (browser_view_->browser()->IsLockedForOnTask()) {
return;
}
#endif
// Only consider pausing the close operation if this is the last remaining
// tab (since otherwise closing it won't close the browser window).
if (GetCount() <= 1) {
// Closing this tab will close the current window. See if the browser wants
// to prompt the user before the browser is allowed to close.
const Browser::WarnBeforeClosingResult result =
browser_view_->browser()->MaybeWarnBeforeClosing(base::BindOnce(
[](TabStrip* tab_strip, int model_index,
Browser::WarnBeforeClosingResult result) {
if (result == Browser::WarnBeforeClosingResult::kOkToClose) {
tab_strip->CloseTab(tab_strip->tab_at(model_index),
CloseTabSource::kFromNonUIEvent);
}
},
base::Unretained(tabstrip_), model_index));
if (result != Browser::WarnBeforeClosingResult::kOkToClose) {
return;
}
}
// Check to make sure the tab is not the last in it's group.
std::vector<tab_groups::TabGroupId> groups_to_delete =
model_->GetGroupsDestroyedFromRemovingIndices({model_index});
if (groups_to_delete.empty()) {
std::move(callback).Run(source);
return;
}
auto timing_mapped_callback =
base::BindOnce(&DialogTimingToSource, std::move(callback), source);
// If the user is destroying the last tab in a saved or shared group via the
// tabstrip, a dialog is shown that will decide whether to destroy the tab or
// not. It will first ungroup the tab, then close the tab.
tab_groups::SavedTabGroupUtils::MaybeShowSavedTabGroupDeletionDialog(
browser_view_->browser(), tab_groups::GroupDeletionReason::ClosedLastTab,
groups_to_delete, std::move(timing_mapped_callback));
}
void BrowserTabStripController::CloseTab(int model_index) {
// Cancel any pending tab transition.
hover_tab_selector_.CancelTabTransition();
model_->CloseWebContentsAt(model_index,
TabCloseTypes::CLOSE_USER_GESTURE |
TabCloseTypes::CLOSE_CREATE_HISTORICAL_TAB);
// Try to show reading list IPH if needed.
if (tabstrip_->GetTabCount() >= 7) {
browser_view_->MaybeShowFeaturePromo(
feature_engagement::kIPHReadingListEntryPointFeature);
}
}
void BrowserTabStripController::ToggleTabAudioMute(int model_index) {
content::WebContents* const contents = model_->GetWebContentsAt(model_index);
bool mute_tab = !contents->IsAudioMuted();
UMA_HISTOGRAM_BOOLEAN("Media.Audio.TabAudioMuted", mute_tab);
SetTabAudioMuted(contents, mute_tab, TabMutedReason::AUDIO_INDICATOR,
std::string());
}
void BrowserTabStripController::AddTabToGroup(
int model_index,
const tab_groups::TabGroupId& group) {
model_->AddToExistingGroup({model_index}, group);
}
void BrowserTabStripController::RemoveTabFromGroup(int model_index) {
model_->RemoveFromGroup({model_index});
}
void BrowserTabStripController::MoveTab(int start_index, int final_index) {
model_->MoveWebContentsAt(start_index, final_index, false);
}
void BrowserTabStripController::MoveGroup(const tab_groups::TabGroupId& group,
int final_index) {
model_->MoveGroupTo(group, final_index);
}
void BrowserTabStripController::ToggleTabGroupCollapsedState(
const tab_groups::TabGroupId group,
ToggleTabGroupCollapsedStateOrigin origin) {
const bool is_currently_collapsed = IsGroupCollapsed(group);
bool should_toggle_group = true;
if (!is_currently_collapsed && GetActiveIndex().has_value()) {
const int active_index = GetActiveIndex().value();
if (model_->GetTabGroupForTab(active_index) == group) {
// If the active tab is in the group that is toggling to collapse, the
// active tab should switch to the next available tab. If there are no
// available tabs for the active tab to switch to, a new tab will
// be created.
const std::optional<int> next_active =
model_->GetNextExpandedActiveTab(group);
if (next_active.has_value()) {
model_->ActivateTabAt(
next_active.value(),
TabStripUserGestureDetails(
TabStripUserGestureDetails::GestureType::kOther));
} else {
// Create a new tab that will automatically be activated
should_toggle_group = false;
CreateNewTab();
}
} else {
// If the active tab is not in the group that is toggling to collapse,
// reactive the active tab to deselect any other potentially selected
// tabs.
model_->ActivateTabAt(
active_index, TabStripUserGestureDetails(
TabStripUserGestureDetails::GestureType::kOther));
}
}
if (origin != ToggleTabGroupCollapsedStateOrigin::kMenuAction ||
should_toggle_group) {
tabstrip_->ToggleTabGroup(group, !is_currently_collapsed, origin);
model_->ChangeTabGroupVisuals(
group,
tab_groups::TabGroupVisualData(GetGroupTitle(group),
GetGroupColorId(group),
!is_currently_collapsed),
true);
}
const bool is_implicit_action =
origin == ToggleTabGroupCollapsedStateOrigin::kMenuAction ||
origin == ToggleTabGroupCollapsedStateOrigin::kTabsSelected;
if (!is_implicit_action) {
if (is_currently_collapsed) {
base::RecordAction(
base::UserMetricsAction("TabGroups_TabGroupHeader_Expanded"));
} else {
base::RecordAction(
base::UserMetricsAction("TabGroups_TabGroupHeader_Collapsed"));
}
}
}
void BrowserTabStripController::ShowContextMenuForTab(
Tab* tab,
const gfx::Point& p,
ui::mojom::MenuSourceType source_type) {
context_menu_contents_ = std::make_unique<TabContextMenuContents>(tab, this);
context_menu_contents_->RunMenuAt(p, source_type);
base::UmaHistogramEnumeration("TabStrip.Tab.Views.ActivationAction",
TabActivationTypes::kContextMenu);
}
void BrowserTabStripController::CloseContextMenuForTesting() {
if (context_menu_contents_) {
context_menu_contents_->CloseMenu();
}
}
int BrowserTabStripController::HasAvailableDragActions() const {
return model_->delegate()->GetDragActions();
}
void BrowserTabStripController::OnDropIndexUpdate(
const std::optional<int> index,
const bool drop_before) {
// Perform a delayed tab transition if hovering directly over a tab.
// Otherwise, cancel the pending one.
if (index.has_value() && !drop_before) {
hover_tab_selector_.StartTabTransition(index.value());
} else {
hover_tab_selector_.CancelTabTransition();
}
}
void BrowserTabStripController::CreateNewTab() {
model_->delegate()->AddTabAt(GURL(), -1, true);
}
void BrowserTabStripController::CreateNewTabWithLocation(
const std::u16string& location) {
// Use autocomplete to clean up the text, going so far as to turn it into
// a search query if necessary.
AutocompleteMatch match;
AutocompleteClassifierFactory::GetForProfile(GetProfile())
->Classify(location, false, false, metrics::OmniboxEventProto::BLANK,
&match, nullptr);
if (match.destination_url.is_valid()) {
model_->delegate()->AddTabAt(match.destination_url, -1, true);
}
}
void BrowserTabStripController::OnStartedDragging(bool dragging_window) {
if (!immersive_reveal_lock_.get()) {
// The top-of-window views should be revealed while the user is dragging
// tabs in immersive fullscreen. The top-of-window views may not be already
// revealed if the user is attempting to attach a tab to a tabstrip
// belonging to an immersive fullscreen window.
immersive_reveal_lock_ =
browser_view_->immersive_mode_controller()->GetRevealedLock(
ImmersiveModeController::ANIMATE_REVEAL_NO);
}
browser_view_->frame()->SetTabDragKind(dragging_window ? TabDragKind::kAllTabs
: TabDragKind::kTab);
// We also use fast resize for the source browser window as the source browser
// window may also change bounds during dragging.
BrowserView* source_browser_view = GetSourceBrowserViewInTabDragging();
if (source_browser_view && source_browser_view != browser_view_) {
source_browser_view->frame()->SetTabDragKind(TabDragKind::kTab);
}
#if BUILDFLAG(IS_CHROMEOS)
browser_view_->GetWidget()->GetNativeWindow()->SetProperty(
ash::kIsDraggingTabsKey, true);
#endif // BUILDFLAG(IS_CHROMEOS)
}
void BrowserTabStripController::OnStoppedDragging() {
immersive_reveal_lock_.reset();
BrowserView* source_browser_view = GetSourceBrowserViewInTabDragging();
// Only reset the source window's fast resize bit after the entire drag
// ends.
if (browser_view_ != source_browser_view) {
browser_view_->frame()->SetTabDragKind(TabDragKind::kNone);
}
if (source_browser_view && !TabDragController::IsActive()) {
source_browser_view->frame()->SetTabDragKind(TabDragKind::kNone);
}
#if BUILDFLAG(IS_CHROMEOS)
browser_view_->GetWidget()->GetNativeWindow()->ClearProperty(
ash::kIsDraggingTabsKey);
#endif // BUILDFLAG(IS_CHROMEOS)
}
void BrowserTabStripController::OnKeyboardFocusedTabChanged(
std::optional<int> index) {
browser_view_->browser()->command_controller()->TabKeyboardFocusChangedTo(
index);
}
std::u16string BrowserTabStripController::GetGroupTitle(
const tab_groups::TabGroupId& group) const {
return model_->group_model()->GetTabGroup(group)->visual_data()->title();
}
// TODO(crbug.com/418774949) Combine with ExistingTabGroupSubMenuModel and move
// To TabGroupFeatures.
std::u16string BrowserTabStripController::GetGroupContentString(
const tab_groups::TabGroupId& group) const {
CHECK(model_->SupportsTabGroups());
const TabGroup* tab_group = model_->group_model()->GetTabGroup(group);
CHECK(tab_group);
constexpr size_t kContextMenuTabTitleMaxLength = 30;
std::u16string format_string = l10n_util::GetPluralStringFUTF16(
IDS_TAB_CXMENU_PLACEHOLDER_GROUP_TITLE, tab_group->tab_count() - 1);
std::u16string short_title;
gfx::ElideString(
tab_group->GetFirstTab()->GetTabFeatures()->tab_ui_helper()->GetTitle(),
kContextMenuTabTitleMaxLength, &short_title);
return base::ReplaceStringPlaceholders(format_string, short_title, nullptr);
}
tab_groups::TabGroupColorId BrowserTabStripController::GetGroupColorId(
const tab_groups::TabGroupId& group) const {
return model_->group_model()->GetTabGroup(group)->visual_data()->color();
}
TabGroup* BrowserTabStripController::GetTabGroup(
const tab_groups::TabGroupId& group_id) const {
return model_->group_model()->GetTabGroup(group_id);
}
bool BrowserTabStripController::IsGroupCollapsed(
const tab_groups::TabGroupId& group) const {
return model_->group_model()->ContainsTabGroup(group) &&
model_->group_model()
->GetTabGroup(group)
->visual_data()
->is_collapsed();
}
void BrowserTabStripController::SetVisualDataForGroup(
const tab_groups::TabGroupId& group,
const tab_groups::TabGroupVisualData& visual_data) {
model_->ChangeTabGroupVisuals(group, visual_data);
}
std::optional<int> BrowserTabStripController::GetFirstTabInGroup(
const tab_groups::TabGroupId& group) const {
tabs::TabInterface* tab =
model_->group_model()->GetTabGroup(group)->GetFirstTab();
if (!tab) {
return std::nullopt;
}
return model_->GetIndexOfTab(tab);
}
gfx::Range BrowserTabStripController::ListTabsInGroup(
const tab_groups::TabGroupId& group) const {
return model_->group_model()->GetTabGroup(group)->ListTabs();
}
bool BrowserTabStripController::IsFrameCondensed() const {
return GetFrameView()->IsFrameCondensed();
}
bool BrowserTabStripController::HasVisibleBackgroundTabShapes() const {
return GetFrameView()->HasVisibleBackgroundTabShapes(
BrowserFrameActiveState::kUseCurrent);
}
bool BrowserTabStripController::EverHasVisibleBackgroundTabShapes() const {
return GetFrameView()->EverHasVisibleBackgroundTabShapes();
}
bool BrowserTabStripController::CanDrawStrokes() const {
return GetFrameView()->CanDrawStrokes();
}
SkColor BrowserTabStripController::GetFrameColor(
BrowserFrameActiveState active_state) const {
return GetFrameView()->GetFrameColor(active_state);
}
std::optional<int> BrowserTabStripController::GetCustomBackgroundId(
BrowserFrameActiveState active_state) const {
return GetFrameView()->GetCustomBackgroundId(active_state);
}
std::u16string BrowserTabStripController::GetAccessibleTabName(
const Tab* tab) const {
return browser_view_->GetAccessibleTabLabel(
tabstrip_->GetModelIndexOf(tab).value(), /*is_for_tab=*/true);
}
Profile* BrowserTabStripController::GetProfile() const {
return model_->profile();
}
BrowserWindowInterface* BrowserTabStripController::GetBrowserWindowInterface() {
return browser_view_->browser();
}
Browser* BrowserTabStripController::GetBrowser() {
return browser_view_->browser();
}
#if BUILDFLAG(IS_CHROMEOS)
bool BrowserTabStripController::IsLockedForOnTask() {
return browser_view_->browser()->IsLockedForOnTask();
}
#endif
////////////////////////////////////////////////////////////////////////////////
// BrowserTabStripController, TabStripModelObserver implementation:
void BrowserTabStripController::OnTabStripModelChanged(
TabStripModel* tab_strip_model,
const TabStripModelChange& change,
const TabStripSelectionChange& selection) {
switch (change.type()) {
case TabStripModelChange::kInserted: {
std::vector<std::pair<WebContents*, int>> tabs_to_add;
for (const auto& contents : change.GetInsert()->contents) {
DCHECK(model_->ContainsIndex(contents.index));
tabs_to_add.emplace_back(contents.contents, contents.index);
}
AddTabs(tabs_to_add);
break;
}
case TabStripModelChange::kRemoved: {
for (const auto& contents : change.GetRemove()->contents) {
hover_tab_selector_.CancelTabTransition();
tabstrip_->RemoveTabAt(contents.contents, contents.index,
contents.contents == selection.old_contents);
}
break;
}
case TabStripModelChange::kMoved: {
auto* move = change.GetMove();
// Cancel any pending tab transition.
hover_tab_selector_.CancelTabTransition();
// A move may have resulted in the pinned state changing, so pass in a
// TabRendererData.
tabstrip_->MoveTab(
move->from_index, move->to_index,
TabRendererData::FromTabInModel(model_, move->to_index));
break;
}
case TabStripModelChange::kReplaced: {
auto* replace = change.GetReplace();
SetTabDataAt(replace->new_contents, replace->index);
break;
}
case TabStripModelChange::kSelectionOnly:
break;
}
if (tab_strip_model->empty()) {
return;
}
if (selection.active_tab_changed()) {
// It's possible for `new_contents` to be null when the final tab in a tab
// strip is closed.
content::WebContents* const new_contents = selection.new_contents;
tabs::TabInterface* const new_tab_interface = selection.new_tab;
std::optional<size_t> index = selection.new_model.active();
if (new_contents && new_tab_interface && index.has_value()) {
new_tab_interface->GetTabFeatures()
->tab_ui_helper()
->SetWasActiveAtLeastOnce();
SetTabDataAt(new_contents, index.value());
}
}
if (selection.selection_changed()) {
tabstrip_->SetSelection(selection.new_model);
}
}
void BrowserTabStripController::OnTabWillBeAdded() {
tabstrip_->EndDrag(EndDragReason::END_DRAG_MODEL_ADDED_TAB);
}
void BrowserTabStripController::OnTabWillBeRemoved(
content::WebContents* contents,
int index) {
tabstrip_->OnTabWillBeRemoved(contents, index);
}
void BrowserTabStripController::OnTabGroupChanged(
const TabGroupChange& change) {
switch (change.type) {
case TabGroupChange::kCreated: {
tabstrip_->OnGroupCreated(change.group);
// Add tabs to the correct group if the group if re-inserted from a
// different tabstrip as it is not an empty tab group.
if (change.GetCreateChange()->reason() ==
TabGroupChange::TabGroupCreationReason::
kInsertedFromAnotherTabstrip) {
const gfx::Range tabs_in_group =
change.model->group_model()->GetTabGroup(change.group)->ListTabs();
for (int i = static_cast<int>(tabs_in_group.start());
i < static_cast<int>(tabs_in_group.end()); i++) {
tabstrip_->AddTabToGroup(change.group, i);
}
tabstrip_->OnGroupContentsChanged(change.group);
}
break;
}
case TabGroupChange::kEditorOpened: {
tabstrip_->OnGroupEditorOpened(change.group);
break;
}
case TabGroupChange::kVisualsChanged: {
const TabGroupChange::VisualsChange* visuals_delta =
change.GetVisualsChange();
const tab_groups::TabGroupVisualData* old_visuals =
visuals_delta->old_visuals;
const tab_groups::TabGroupVisualData* new_visuals =
visuals_delta->new_visuals;
if (old_visuals &&
old_visuals->is_collapsed() != new_visuals->is_collapsed()) {
gfx::Range tabs_in_group = ListTabsInGroup(change.group);
for (auto i = tabs_in_group.start(); i < tabs_in_group.end(); ++i) {
tabstrip_->tab_at(i)->SetVisible(!new_visuals->is_collapsed());
if (base::FeatureList::IsEnabled(
features::kTabGroupsCollapseFreezing)) {
if (new_visuals->is_collapsed()) {
tabstrip_->tab_at(i)->CreateFreezingVote(
model_->GetWebContentsAt(i));
} else {
tabstrip_->tab_at(i)->ReleaseFreezingVote();
}
}
}
}
tabstrip_->OnGroupVisualsChanged(change.group, old_visuals, new_visuals);
break;
}
case TabGroupChange::kMoved: {
tabstrip_->OnGroupMoved(change.group);
break;
}
case TabGroupChange::kClosed: {
tabstrip_->OnGroupClosed(change.group);
break;
}
}
}
void BrowserTabStripController::TabChangedAt(WebContents* contents,
int model_index,
TabChangeType change_type) {
SetTabDataAt(contents, model_index);
}
void BrowserTabStripController::TabPinnedStateChanged(
TabStripModel* tab_strip_model,
WebContents* contents,
int model_index) {
SetTabDataAt(contents, model_index);
}
void BrowserTabStripController::TabBlockedStateChanged(WebContents* contents,
int model_index) {
SetTabDataAt(contents, model_index);
}
void BrowserTabStripController::TabGroupedStateChanged(
TabStripModel* tab_strip_model,
std::optional<tab_groups::TabGroupId> old_group,
std::optional<tab_groups::TabGroupId> new_group,
tabs::TabInterface* tab,
int index) {
tabstrip_->AddTabToGroup(new_group, index);
if (old_group.has_value()) {
tabstrip_->OnGroupContentsChanged(old_group.value());
}
if (new_group.has_value()) {
tabstrip_->OnGroupContentsChanged(new_group.value());
}
}
void BrowserTabStripController::SetTabNeedsAttentionAt(int index,
bool attention) {
tabstrip_->SetTabNeedsAttention(index, attention);
}
bool BrowserTabStripController::IsFrameButtonsRightAligned() const {
#if BUILDFLAG(IS_MAC)
return false;
#else
return true;
#endif // BUILDFLAG(IS_MAC)
}
void BrowserTabStripController::OnSplitTabChanged(
const SplitTabChange& change) {
if (change.type == SplitTabChange::Type::kAdded) {
std::vector<int> split_indices;
std::transform(
change.GetAddedChange()->tabs().begin(),
change.GetAddedChange()->tabs().end(),
std::back_inserter(split_indices),
[](const std::pair<tabs::TabInterface*, int>& p) { return p.second; });
tabstrip_->OnSplitCreated(split_indices, change.split_id);
// Stop animating if we are updating an active split.
if (change.GetAddedChange()->reason() !=
SplitTabChange::SplitTabAddReason::kNewSplitTabAdded) {
tabstrip_->StopAnimating(true);
}
} else if (change.type == SplitTabChange::Type::kRemoved) {
std::vector<int> split_indices;
std::transform(
change.GetRemovedChange()->tabs().begin(),
change.GetRemovedChange()->tabs().end(),
std::back_inserter(split_indices),
[](const std::pair<tabs::TabInterface*, int>& p) { return p.second; });
tabstrip_->OnSplitRemoved(split_indices);
// Stop animating if we are updating an active split.
if (change.GetRemovedChange()->reason() !=
SplitTabChange::SplitTabRemoveReason::kSplitTabRemoved) {
tabstrip_->StopAnimating(true);
}
} else if (change.type == SplitTabChange::Type::kContentsChanged) {
std::vector<int> split_indices;
std::transform(
change.GetContentsChange()->new_tabs().begin(),
change.GetContentsChange()->new_tabs().end(),
std::back_inserter(split_indices),
[](const std::pair<tabs::TabInterface*, int>& p) { return p.second; });
tabstrip_->OnSplitContentsChanged(split_indices);
tabstrip_->StopAnimating(true);
}
}
BrowserNonClientFrameView* BrowserTabStripController::GetFrameView() {
return browser_view_->frame()->GetFrameView();
}
const BrowserNonClientFrameView* BrowserTabStripController::GetFrameView()
const {
return browser_view_->frame()->GetFrameView();
}
void BrowserTabStripController::SetTabDataAt(content::WebContents* web_contents,
int model_index) {
tabstrip_->SetTabData(model_index,
TabRendererData::FromTabInModel(model_, model_index));
}
void BrowserTabStripController::AddTabs(
std::vector<std::pair<WebContents*, int>> contents_list) {
// Cancel any pending tab transition.
hover_tab_selector_.CancelTabTransition();
std::vector<std::pair<int, TabRendererData>> tabs_data;
for (const auto& [contents, index] : contents_list) {
tabs_data.emplace_back(index,
TabRendererData::FromTabInModel(model_, index));
}
tabstrip_->AddTabsAt(std::move(tabs_data));
for (const auto& [contents, index] : contents_list) {
tabstrip_->tab_at(index)->SetShouldShowDiscardIndicator(
should_show_discard_indicator_);
}
// Try to show tab search IPH if needed.
constexpr int kTabSearchIPHTriggerThreshold = 8;
if (tabstrip_->GetTabCount() >= kTabSearchIPHTriggerThreshold) {
browser_view_->MaybeShowFeaturePromo(
feature_engagement::kIPHTabSearchFeature);
}
}
void BrowserTabStripController::OnDiscardRingTreatmentEnabledChanged() {
should_show_discard_indicator_ = g_browser_process->local_state()->GetBoolean(
performance_manager::user_tuning::prefs::kDiscardRingTreatmentEnabled);
for (int tab_index = 0; tab_index < tabstrip_->GetTabCount(); ++tab_index) {
tabstrip_->tab_at(tab_index)->SetShouldShowDiscardIndicator(
should_show_discard_indicator_);
}
}
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