| // Copyright 2017 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 "ash/display/display_move_window_util.h" |
| |
| #include <stdint.h> |
| #include <algorithm> |
| #include <array> |
| |
| #include "ash/accessibility/accessibility_controller.h" |
| #include "ash/shell.h" |
| #include "ash/wm/mru_window_tracker.h" |
| #include "ash/wm/window_util.h" |
| #include "base/metrics/user_metrics.h" |
| #include "base/stl_util.h" |
| #include "ui/aura/window.h" |
| #include "ui/display/display.h" |
| #include "ui/display/manager/display_manager.h" |
| #include "ui/display/screen.h" |
| #include "ui/display/types/display_constants.h" |
| #include "ui/wm/core/window_util.h" |
| |
| namespace ash { |
| |
| namespace display_move_window_util { |
| |
| namespace { |
| |
| aura::Window* GetTargetWindow() { |
| aura::Window* window = wm::GetActiveWindow(); |
| if (!window) |
| return nullptr; |
| |
| // If |window| is transient window, move its first non-transient |
| // transient-parent window instead. |
| if (::wm::GetTransientParent(window)) { |
| while (::wm::GetTransientParent(window)) |
| window = ::wm::GetTransientParent(window); |
| if (window == window->GetRootWindow()) |
| return nullptr; |
| } |
| return window; |
| } |
| |
| } // namespace |
| |
| bool CanHandleMoveActiveWindowBetweenDisplays() { |
| display::DisplayManager* display_manager = Shell::Get()->display_manager(); |
| // Accelerators to move window between displays on unified desktop mode and |
| // mirror mode is disabled. |
| if (display_manager->IsInUnifiedMode() || display_manager->IsInMirrorMode()) |
| return false; |
| |
| if (display::Screen::GetScreen()->GetNumDisplays() < 2) |
| return false; |
| |
| // The movement target window must be in window cycle list. |
| return base::ContainsValue( |
| Shell::Get()->mru_window_tracker()->BuildWindowForCycleList(), |
| GetTargetWindow()); |
| } |
| |
| void HandleMoveActiveWindowBetweenDisplays() { |
| DCHECK(CanHandleMoveActiveWindowBetweenDisplays()); |
| aura::Window* window = GetTargetWindow(); |
| DCHECK(window); |
| |
| int64_t origin_display_id = |
| display::Screen::GetScreen()->GetDisplayNearestWindow(window).id(); |
| auto displays = display::Screen::GetScreen()->GetAllDisplays(); |
| display::DisplayIdList display_id_list = |
| display::CreateDisplayIdList(displays); |
| // Find target display id in sorted display id list in a cycling way. |
| auto itr = std::upper_bound(display_id_list.begin(), display_id_list.end(), |
| origin_display_id, display::CompareDisplayIds); |
| int64_t target_display_id = |
| itr == display_id_list.end() ? display_id_list[0] : *itr; |
| wm::MoveWindowToDisplay(window, target_display_id); |
| Shell::Get()->accessibility_controller()->TriggerAccessibilityAlert( |
| mojom::AccessibilityAlert::WINDOW_MOVED_TO_ANOTHER_DISPLAY); |
| base::RecordAction( |
| base::UserMetricsAction("Accel_Move_Active_Window_Between_Displays")); |
| } |
| |
| } // namespace display_move_window_util |
| |
| } // namespace ash |