focus_search.cc | Explore in Territory

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/views/focus/focus_search.h"

#include "base/logging.h"
#include "build/build_config.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/view.h"
#include "ui/views/view_class_properties.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/dialog_delegate.h"

namespace views {

FocusSearch::FocusSearch(View* root, bool cycle, bool accessibility_mode)
    : … { … }

View* FocusSearch::FindNextFocusableView(
    View* starting_view,
    FocusSearch::SearchDirection search_direction,
    FocusSearch::TraversalDirection traversal_direction,
    FocusSearch::StartingViewPolicy check_starting_view,
    FocusSearch::AnchoredDialogPolicy can_go_into_anchored_dialog,
    FocusTraversable** focus_traversable,
    View** focus_traversable_view) { … }

bool FocusSearch::IsViewFocusableCandidate(View* v, int skip_group_id) { … }

bool FocusSearch::IsFocusable(View* v) { … }

View* FocusSearch::FindSelectedViewForGroup(View* view) { … }

View* FocusSearch::GetParent(View* v) { … }

bool FocusSearch::Contains(View* root, const View* v) { … }

// Strategy for finding the next focusable view:
// - keep going down the first child, stop when you find a focusable view or
//   a focus traversable view (in that case return it) or when you reach a view
//   with no children.
// - go to the right sibling and start the search from there (by invoking
//   FindNextFocusableViewImpl on that view).
// - if the view has no right sibling, go up the parents until you find a parent
//   with a right sibling and start the search from there.
View* FocusSearch::FindNextFocusableViewImpl(
    View* starting_view,
    FocusSearch::StartingViewPolicy check_starting_view,
    bool can_go_up,
    bool can_go_down,
    AnchoredDialogPolicy can_go_into_anchored_dialog,
    int skip_group_id,
    base::flat_set<View*>* seen_views,
    FocusTraversable** focus_traversable,
    View** focus_traversable_view) { … }

// Strategy for finding the previous focusable view:
// - keep going down on the right until you reach a view with no children, if it
//   it is a good candidate return it.
// - start the search on the left sibling.
// - if there are no left sibling, start the search on the parent (without going
//   down).
View* FocusSearch::FindPreviousFocusableViewImpl(
    View* starting_view,
    FocusSearch::StartingViewPolicy check_starting_view,
    bool can_go_up,
    bool can_go_down,
    FocusSearch::AnchoredDialogPolicy can_go_into_anchored_dialog,
    int skip_group_id,
    base::flat_set<View*>* seen_views,
    FocusTraversable** focus_traversable,
    View** focus_traversable_view) { … }

}  // namespace views
chromium/ui/views/focus/focus_search.cc
