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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "ash/wm/maximize_mode/maximize_mode_event_handler.h" |
| 6 |
| 7 #include "ash/session/session_controller.h" |
| 8 #include "ash/shell.h" |
| 9 #include "ash/wm/window_state.h" |
| 10 #include "ash/wm/window_util.h" |
| 11 #include "ash/wm/wm_event.h" |
| 12 #include "ash/wm_window.h" |
| 13 #include "ui/events/event.h" |
| 14 |
| 15 namespace ash { |
| 16 namespace wm { |
| 17 namespace { |
| 18 |
| 19 // The height of the area in which a touch operation leads to exiting the |
| 20 // full screen mode. |
| 21 const int kLeaveFullScreenAreaHeightInPixel = 2; |
| 22 |
| 23 } // namespace |
| 24 |
| 25 MaximizeModeEventHandler::MaximizeModeEventHandler() {} |
| 26 |
| 27 MaximizeModeEventHandler::~MaximizeModeEventHandler() {} |
| 28 |
| 29 bool MaximizeModeEventHandler::ToggleFullscreen(const ui::TouchEvent& event) { |
| 30 if (event.type() != ui::ET_TOUCH_PRESSED) |
| 31 return false; |
| 32 |
| 33 const SessionController* controller = Shell::Get()->session_controller(); |
| 34 |
| 35 if (controller->IsScreenLocked() || |
| 36 controller->GetSessionState() != session_manager::SessionState::ACTIVE) { |
| 37 return false; |
| 38 } |
| 39 |
| 40 // Find the active window (from the primary screen) to un-fullscreen. |
| 41 WmWindow* window = WmWindow::Get(GetActiveWindow()); |
| 42 if (!window) |
| 43 return false; |
| 44 |
| 45 WindowState* window_state = window->GetWindowState(); |
| 46 if (!window_state->IsFullscreen() || window_state->in_immersive_fullscreen()) |
| 47 return false; |
| 48 |
| 49 // Test that the touch happened in the top or bottom lines. |
| 50 int y = event.y(); |
| 51 if (y >= kLeaveFullScreenAreaHeightInPixel && |
| 52 y < (window->GetBounds().height() - kLeaveFullScreenAreaHeightInPixel)) { |
| 53 return false; |
| 54 } |
| 55 |
| 56 // Do not exit fullscreen in kiosk mode. |
| 57 if (Shell::Get()->session_controller()->IsKioskSession()) |
| 58 return false; |
| 59 |
| 60 WMEvent toggle_fullscreen(WM_EVENT_TOGGLE_FULLSCREEN); |
| 61 window->GetWindowState()->OnWMEvent(&toggle_fullscreen); |
| 62 return true; |
| 63 } |
| 64 |
| 65 } // namespace wm |
| 66 } // namespace ash |
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