// Copyright 2014 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/wm/lock_layout_manager.h" #include "ash/keyboard/ui/keyboard_ui_controller.h" #include "ash/wm/lock_window_state.h" #include "ash/wm/window_state.h" #include "ash/wm/wm_event.h" #include "ui/aura/env.h" #include "ui/events/event.h" #include "ui/events/gestures/gesture_recognizer.h" namespace ash { LockLayoutManager::LockLayoutManager(aura::Window* window, Shelf* shelf) : WmDefaultLayoutManager(), window_(window), root_window_(window->GetRootWindow()) { root_window_->AddObserver(this); keyboard::KeyboardUIController::Get()->AddObserver(this); shelf_observation_.Observe(shelf); } LockLayoutManager::~LockLayoutManager() { keyboard::KeyboardUIController::Get()->RemoveObserver(this); if (root_window_) root_window_->RemoveObserver(this); for (aura::Window* child : window_->children()) child->RemoveObserver(this); } void LockLayoutManager::OnWindowResized() { const WMEvent event(WM_EVENT_WORKAREA_BOUNDS_CHANGED); AdjustWindowsForWorkAreaChange(&event); } void LockLayoutManager::OnWindowAddedToLayout(aura::Window* child) { child->AddObserver(this); // LockWindowState replaces default WindowState of a child. WindowState* window_state = LockWindowState::SetLockWindowState(child); WMEvent event(WM_EVENT_ADDED_TO_WORKSPACE); window_state->OnWMEvent(&event); aura::Env::GetInstance()->gesture_recognizer()->CancelActiveTouchesExcept( nullptr); // Disable virtual keyboard overscroll because it interferes with scrolling // login/lock content. See crbug.com/363635. keyboard::KeyboardConfig config = keyboard::KeyboardUIController::Get()->keyboard_config(); config.overscroll_behavior = keyboard::KeyboardOverscrollBehavior::kDisabled; keyboard::KeyboardUIController::Get()->UpdateKeyboardConfig(config); } void LockLayoutManager::OnWillRemoveWindowFromLayout(aura::Window* child) { child->RemoveObserver(this); } void LockLayoutManager::OnWindowRemovedFromLayout(aura::Window* child) { keyboard::KeyboardConfig config = keyboard::KeyboardUIController::Get()->keyboard_config(); config.overscroll_behavior = keyboard::KeyboardOverscrollBehavior::kDefault; keyboard::KeyboardUIController::Get()->UpdateKeyboardConfig(config); } void LockLayoutManager::OnChildWindowVisibilityChanged(aura::Window* child, bool visible) {} void LockLayoutManager::SetChildBounds(aura::Window* child, const gfx::Rect& requested_bounds) { WindowState* window_state = WindowState::Get(child); SetBoundsWMEvent event(requested_bounds); window_state->OnWMEvent(&event); } void LockLayoutManager::OnWindowDestroying(aura::Window* window) { window->RemoveObserver(this); if (root_window_ == window) root_window_ = nullptr; } void LockLayoutManager::OnWindowBoundsChanged(aura::Window* window, const gfx::Rect& old_bounds, const gfx::Rect& new_bounds, ui::PropertyChangeReason reason) { if (root_window_ == window) { const DisplayMetricsChangedWMEvent wm_event( display::DisplayObserver::DISPLAY_METRIC_BOUNDS); AdjustWindowsForWorkAreaChange(&wm_event); } } void LockLayoutManager::WillChangeVisibilityState( ShelfVisibilityState visibility) { // This will be called when shelf work area changes. // * LockLayoutManager windows depend on changes to the accessibility panel // height. // * LockActionHandlerLayoutManager windows bounds depend on the work area // bound defined by the shelf layout (see // screen_util::GetDisplayWorkAreaBoundsInParentForLockScreen). // In short, when shelf bounds change, the windows in this layout manager // should be updated, too. const WMEvent event(WM_EVENT_WORKAREA_BOUNDS_CHANGED); AdjustWindowsForWorkAreaChange(&event); } void LockLayoutManager::OnKeyboardOccludedBoundsChanged( const gfx::Rect& new_bounds_in_screen) { OnWindowResized(); } void LockLayoutManager::AdjustWindowsForWorkAreaChange(const WMEvent* event) { DCHECK(event->type() == WM_EVENT_DISPLAY_BOUNDS_CHANGED || event->type() == WM_EVENT_WORKAREA_BOUNDS_CHANGED); for (aura::Window* child : window_->children()) WindowState::Get(child)->OnWMEvent(event); } } // namespace ash