ui/base/window_open_disposition_utils.cc

// Copyright 2013 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/base/window_open_disposition_utils.h"

#include "base/feature_list.h"
#include "build/build_config.h"
#include "ui/base/ui_base_features.h"
#include "ui/events/event_constants.h"

namespace ui {

WindowOpenDisposition DispositionFromClick(
    bool middle_button,
    bool alt_key,
    bool ctrl_key,
    bool meta_key,
    bool shift_key,
    WindowOpenDisposition disposition_for_current_tab) {
  // MacOS uses meta key (Command key) to spawn new tabs.
#if BUILDFLAG(IS_APPLE)
  const bool new_tab_modifier = middle_button || meta_key;
  const bool split_view_modifier = meta_key;
#else
  const bool new_tab_modifier = middle_button || ctrl_key;
  const bool split_view_modifier = ctrl_key;
#endif
  if (split_view_modifier && alt_key && !shift_key &&
      base::FeatureList::IsEnabled(features::kSplitViewLinkOpen)) {
    return WindowOpenDisposition::NEW_SPLIT_VIEW;
  }
  if (new_tab_modifier) {
    return shift_key ? WindowOpenDisposition::NEW_FOREGROUND_TAB
                     : WindowOpenDisposition::NEW_BACKGROUND_TAB;
  }
  if (shift_key)
    return WindowOpenDisposition::NEW_WINDOW;
  if (alt_key)
    return WindowOpenDisposition::SAVE_TO_DISK;
  return disposition_for_current_tab;
}

WindowOpenDisposition DispositionFromEventFlags(
    int event_flags,
    WindowOpenDisposition disposition_for_current_tab) {
  return DispositionFromClick((event_flags & ui::EF_MIDDLE_MOUSE_BUTTON) != 0,
                              (event_flags & ui::EF_ALT_DOWN) != 0,
                              (event_flags & ui::EF_CONTROL_DOWN) != 0,
                              (event_flags & ui::EF_COMMAND_DOWN) != 0,
                              (event_flags & ui::EF_SHIFT_DOWN) != 0,
                              disposition_for_current_tab);
}

}  // namespace ui