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// 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/shell.h"
#include "ash/shell_delegate.h"
#include "ash/wm/lock_window_state.h"
#include "ash/wm/window_state.h"
#include "ash/wm/wm_event.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/events/event.h"
#include "ui/keyboard/keyboard_controller.h"
#include "ui/keyboard/keyboard_util.h"
namespace ash {
LockLayoutManager::LockLayoutManager(aura::Window* window)
: SnapToPixelLayoutManager(window),
window_(window),
root_window_(window->GetRootWindow()),
is_observing_keyboard_(false) {
Shell::GetInstance()->delegate()->AddVirtualKeyboardStateObserver(this);
root_window_->AddObserver(this);
if (keyboard::KeyboardController::GetInstance()) {
keyboard::KeyboardController::GetInstance()->AddObserver(this);
is_observing_keyboard_ = true;
}
}
LockLayoutManager::~LockLayoutManager() {
if (root_window_)
root_window_->RemoveObserver(this);
for (aura::Window::Windows::const_iterator it = window_->children().begin();
it != window_->children().end(); ++it) {
(*it)->RemoveObserver(this);
}
Shell::GetInstance()->delegate()->RemoveVirtualKeyboardStateObserver(this);
if (keyboard::KeyboardController::GetInstance() && is_observing_keyboard_) {
keyboard::KeyboardController::GetInstance()->RemoveObserver(this);
is_observing_keyboard_ = false;
}
}
void LockLayoutManager::OnWindowResized() {
const wm::WMEvent event(wm::WM_EVENT_WORKAREA_BOUNDS_CHANGED);
AdjustWindowsForWorkAreaChange(&event);
}
void LockLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
child->AddObserver(this);
// LockWindowState replaces default WindowState of a child.
wm::WindowState* window_state = LockWindowState::SetLockWindowState(child);
wm::WMEvent event(wm::WM_EVENT_ADDED_TO_WORKSPACE);
window_state->OnWMEvent(&event);
}
void LockLayoutManager::OnWillRemoveWindowFromLayout(aura::Window* child) {
child->RemoveObserver(this);
}
void LockLayoutManager::OnWindowRemovedFromLayout(aura::Window* child) {
}
void LockLayoutManager::OnChildWindowVisibilityChanged(aura::Window* child,
bool visible) {
}
void LockLayoutManager::SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) {
wm::WindowState* window_state = wm::GetWindowState(child);
wm::SetBoundsEvent event(wm::WM_EVENT_SET_BOUNDS, requested_bounds);
window_state->OnWMEvent(&event);
}
void LockLayoutManager::OnWindowHierarchyChanged(
const WindowObserver::HierarchyChangeParams& params) {
}
void LockLayoutManager::OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) {
}
void LockLayoutManager::OnWindowStackingChanged(aura::Window* window) {
}
void LockLayoutManager::OnWindowDestroying(aura::Window* window) {
window->RemoveObserver(this);
if (root_window_ == window)
root_window_ = NULL;
}
void LockLayoutManager::OnWindowBoundsChanged(aura::Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) {
if (root_window_ == window) {
const wm::WMEvent wm_event(wm::WM_EVENT_DISPLAY_BOUNDS_CHANGED);
AdjustWindowsForWorkAreaChange(&wm_event);
}
}
void LockLayoutManager::OnVirtualKeyboardStateChanged(bool activated) {
if (keyboard::KeyboardController::GetInstance()) {
if (activated) {
if (!is_observing_keyboard_) {
keyboard::KeyboardController::GetInstance()->AddObserver(this);
is_observing_keyboard_ = true;
}
} else {
keyboard::KeyboardController::GetInstance()->RemoveObserver(this);
is_observing_keyboard_ = false;
}
}
}
void LockLayoutManager::OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) {
keyboard_bounds_ = new_bounds;
OnWindowResized();
}
void LockLayoutManager::AdjustWindowsForWorkAreaChange(
const wm::WMEvent* event) {
DCHECK(event->type() == wm::WM_EVENT_DISPLAY_BOUNDS_CHANGED ||
event->type() == wm::WM_EVENT_WORKAREA_BOUNDS_CHANGED);
for (aura::Window::Windows::const_iterator it = window_->children().begin();
it != window_->children().end();
++it) {
wm::GetWindowState(*it)->OnWMEvent(event);
}
}
} // namespace ash
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