Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 1 | // Copyright 2014 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/lock_layout_manager.h" |
| 6 | |
| 7 | #include "ash/shell.h" |
| 8 | #include "ash/shell_delegate.h" |
| 9 | #include "ash/wm/lock_window_state.h" |
| 10 | #include "ash/wm/window_state.h" |
| 11 | #include "ash/wm/wm_event.h" |
| 12 | #include "ui/aura/window.h" |
| 13 | #include "ui/aura/window_observer.h" |
| 14 | #include "ui/events/event.h" |
| 15 | #include "ui/keyboard/keyboard_controller.h" |
| 16 | #include "ui/keyboard/keyboard_util.h" |
| 17 | |
| 18 | namespace ash { |
| 19 | |
| 20 | LockLayoutManager::LockLayoutManager(aura::Window* window) |
| 21 | : window_(window), |
| 22 | root_window_(window->GetRootWindow()), |
| 23 | is_observing_keyboard_(false) { |
| 24 | Shell::GetInstance()->delegate()->AddVirtualKeyboardStateObserver(this); |
| 25 | root_window_->AddObserver(this); |
| 26 | if (keyboard::KeyboardController::GetInstance()) { |
| 27 | keyboard::KeyboardController::GetInstance()->AddObserver(this); |
| 28 | is_observing_keyboard_ = true; |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | LockLayoutManager::~LockLayoutManager() { |
| 33 | if (root_window_) |
| 34 | root_window_->RemoveObserver(this); |
| 35 | |
| 36 | for (aura::Window::Windows::const_iterator it = window_->children().begin(); |
| 37 | it != window_->children().end(); ++it) { |
| 38 | (*it)->RemoveObserver(this); |
| 39 | } |
| 40 | |
| 41 | Shell::GetInstance()->delegate()->RemoveVirtualKeyboardStateObserver(this); |
| 42 | |
| 43 | if (keyboard::KeyboardController::GetInstance() && is_observing_keyboard_) { |
| 44 | keyboard::KeyboardController::GetInstance()->RemoveObserver(this); |
| 45 | is_observing_keyboard_ = false; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | void LockLayoutManager::OnWindowResized() { |
| 50 | const wm::WMEvent event(wm::WM_EVENT_WORKAREA_BOUNDS_CHANGED); |
| 51 | AdjustWindowsForWorkAreaChange(&event); |
| 52 | } |
| 53 | |
| 54 | void LockLayoutManager::OnWindowAddedToLayout(aura::Window* child) { |
| 55 | child->AddObserver(this); |
| 56 | |
| 57 | // LockWindowState replaces default WindowState of a child. |
| 58 | wm::WindowState* window_state = LockWindowState::SetLockWindowState(child); |
| 59 | wm::WMEvent event(wm::WM_EVENT_ADDED_TO_WORKSPACE); |
| 60 | window_state->OnWMEvent(&event); |
| 61 | } |
| 62 | |
| 63 | void LockLayoutManager::OnWillRemoveWindowFromLayout(aura::Window* child) { |
| 64 | child->RemoveObserver(this); |
| 65 | } |
| 66 | |
| 67 | void LockLayoutManager::OnWindowRemovedFromLayout(aura::Window* child) { |
| 68 | } |
| 69 | |
| 70 | void LockLayoutManager::OnChildWindowVisibilityChanged(aura::Window* child, |
| 71 | bool visible) { |
| 72 | } |
| 73 | |
| 74 | void LockLayoutManager::SetChildBounds(aura::Window* child, |
| 75 | const gfx::Rect& requested_bounds) { |
| 76 | wm::WindowState* window_state = wm::GetWindowState(child); |
| 77 | wm::SetBoundsEvent event(wm::WM_EVENT_SET_BOUNDS, requested_bounds); |
| 78 | window_state->OnWMEvent(&event); |
| 79 | } |
| 80 | |
| 81 | void LockLayoutManager::OnWindowHierarchyChanged( |
| 82 | const WindowObserver::HierarchyChangeParams& params) { |
| 83 | } |
| 84 | |
| 85 | void LockLayoutManager::OnWindowPropertyChanged(aura::Window* window, |
| 86 | const void* key, |
| 87 | intptr_t old) { |
| 88 | } |
| 89 | |
| 90 | void LockLayoutManager::OnWindowStackingChanged(aura::Window* window) { |
| 91 | } |
| 92 | |
| 93 | void LockLayoutManager::OnWindowDestroying(aura::Window* window) { |
| 94 | window->RemoveObserver(this); |
| 95 | if (root_window_ == window) |
| 96 | root_window_ = NULL; |
| 97 | } |
| 98 | |
| 99 | void LockLayoutManager::OnWindowBoundsChanged(aura::Window* window, |
| 100 | const gfx::Rect& old_bounds, |
| 101 | const gfx::Rect& new_bounds) { |
| 102 | if (root_window_ == window) { |
| 103 | const wm::WMEvent wm_event(wm::WM_EVENT_DISPLAY_BOUNDS_CHANGED); |
| 104 | AdjustWindowsForWorkAreaChange(&wm_event); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | void LockLayoutManager::OnVirtualKeyboardStateChanged(bool activated) { |
| 109 | if (keyboard::KeyboardController::GetInstance()) { |
| 110 | if (activated) { |
| 111 | if (!is_observing_keyboard_) { |
| 112 | keyboard::KeyboardController::GetInstance()->AddObserver(this); |
| 113 | is_observing_keyboard_ = true; |
| 114 | } |
| 115 | } else { |
| 116 | keyboard::KeyboardController::GetInstance()->RemoveObserver(this); |
| 117 | is_observing_keyboard_ = false; |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | void LockLayoutManager::OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) { |
| 123 | keyboard_bounds_ = new_bounds; |
| 124 | OnWindowResized(); |
| 125 | } |
| 126 | |
| 127 | void LockLayoutManager::AdjustWindowsForWorkAreaChange( |
| 128 | const wm::WMEvent* event) { |
| 129 | DCHECK(event->type() == wm::WM_EVENT_DISPLAY_BOUNDS_CHANGED || |
| 130 | event->type() == wm::WM_EVENT_WORKAREA_BOUNDS_CHANGED); |
| 131 | |
| 132 | for (aura::Window::Windows::const_iterator it = window_->children().begin(); |
| 133 | it != window_->children().end(); |
| 134 | ++it) { |
| 135 | wm::GetWindowState(*it)->OnWMEvent(event); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | } // namespace ash |