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// Copyright (c) 2012 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/monitor/monitor_controller.h"
#include "ash/monitor/multi_monitor_manager.h"
#include "ash/monitor/secondary_monitor_view.h"
#include "ash/shell.h"
#include "ash/wm/base_layout_manager.h"
#include "ash/wm/root_window_layout_manager.h"
#include "base/bind.h"
#include "base/stl_util.h"
#include "base/time.h"
#include "ui/aura/env.h"
#include "ui/aura/monitor.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
namespace ash {
namespace internal {
namespace {
void SetupAsSecondaryMonitor(aura::RootWindow* root) {
root->SetFocusWhenShown(false);
root->SetLayoutManager(new internal::RootWindowLayoutManager(root));
aura::Window* container = new aura::Window(NULL);
container->SetName("SecondaryMonitorContainer");
container->Init(ui::LAYER_NOT_DRAWN);
root->AddChild(container);
container->SetLayoutManager(new internal::BaseLayoutManager(root));
CreateSecondaryMonitorWidget(container);
container->Show();
root->layout_manager()->OnWindowResized();
root->ShowRootWindow();
}
} // namespace
MonitorController::MonitorController() {
aura::Env::GetInstance()->monitor_manager()->AddObserver(this);
Init();
}
MonitorController::~MonitorController() {
aura::Env::GetInstance()->monitor_manager()->RemoveObserver(this);
// Remove the root first.
aura::Monitor* monitor = Shell::GetRootWindow()->GetProperty(kMonitorKey);
DCHECK(monitor);
root_windows_.erase(monitor);
STLDeleteContainerPairSecondPointers(
root_windows_.begin(), root_windows_.end());
}
void MonitorController::OnMonitorBoundsChanged(const aura::Monitor* monitor) {
root_windows_[monitor]->SetHostBounds(monitor->bounds());
}
void MonitorController::OnMonitorAdded(aura::Monitor* monitor) {
if (root_windows_.empty()) {
root_windows_[monitor] = Shell::GetRootWindow();
Shell::GetRootWindow()->SetHostBounds(monitor->bounds());
return;
}
aura::RootWindow* root = aura::Env::GetInstance()->monitor_manager()->
CreateRootWindowForMonitor(monitor);
root_windows_[monitor] = root;
SetupAsSecondaryMonitor(root);
}
void MonitorController::OnMonitorRemoved(const aura::Monitor* monitor) {
aura::RootWindow* root = root_windows_[monitor];
DCHECK(root);
// Monitor for root window will be deleted when the Primary RootWindow
// is deleted by the Shell.
if (root != Shell::GetRootWindow()) {
root_windows_.erase(monitor);
delete root;
}
}
void MonitorController::Init() {
aura::MonitorManager* monitor_manager =
aura::Env::GetInstance()->monitor_manager();
for (size_t i = 0; i < monitor_manager->GetNumMonitors(); ++i) {
aura::Monitor* monitor = monitor_manager->GetMonitorAt(i);
const aura::Monitor* key = monitor;
if (i == 0) {
// Primary monitor
root_windows_[key] = Shell::GetRootWindow();
Shell::GetRootWindow()->SetHostBounds(monitor->bounds());
} else {
aura::RootWindow* root =
monitor_manager->CreateRootWindowForMonitor(monitor);
root_windows_[key] = root;
SetupAsSecondaryMonitor(root);
}
}
}
} // namespace internal
} // namespace ash
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