blob: 7b3445336bb221d596fb7b342e64b9fb6923f300 [file] [log] [blame]
// Copyright 2017 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 "components/exo/gaming_seat.h"
#include "components/exo/gamepad_delegate.h"
#include "components/exo/gaming_seat_delegate.h"
#include "components/exo/shell_surface_util.h"
#include "components/exo/surface.h"
#include "ui/events/ozone/gamepad/gamepad_provider_ozone.h"
namespace exo {
////////////////////////////////////////////////////////////////////////////////
// GamingSeat, public:
GamingSeat::GamingSeat(GamingSeatDelegate* delegate) : delegate_(delegate) {
auto* helper = WMHelper::GetInstance();
helper->AddFocusObserver(this);
OnWindowFocused(helper->GetFocusedWindow(), nullptr);
}
GamingSeat::~GamingSeat() {
if (focused_)
ui::GamepadProviderOzone::GetInstance()->RemoveGamepadObserver(this);
delegate_->OnGamingSeatDestroying(this);
// Disconnect all the gamepads.
for (auto& entry : gamepads_)
entry.second->OnRemoved();
WMHelper::GetInstance()->RemoveFocusObserver(this);
}
////////////////////////////////////////////////////////////////////////////////
// ui::aura::client::FocusChangeObserver overrides:
void GamingSeat::OnWindowFocused(aura::Window* gained_focus,
aura::Window* lost_focus) {
Surface* target = nullptr;
if (gained_focus) {
target = Surface::AsSurface(gained_focus);
if (!target) {
aura::Window* top_level_window = gained_focus->GetToplevelWindow();
if (top_level_window)
target = GetShellMainSurface(top_level_window);
}
}
bool focused = target && delegate_->CanAcceptGamepadEventsForSurface(target);
if (focused_ != focused) {
focused_ = focused;
if (focused) {
ui::GamepadProviderOzone::GetInstance()->AddGamepadObserver(this);
OnGamepadDevicesUpdated();
} else {
ui::GamepadProviderOzone::GetInstance()->RemoveGamepadObserver(this);
}
}
}
////////////////////////////////////////////////////////////////////////////////
// ui::GamepadObserver overrides:
void GamingSeat::OnGamepadDevicesUpdated() {
std::vector<ui::InputDevice> gamepad_devices =
ui::GamepadProviderOzone::GetInstance()->GetGamepadDevices();
base::flat_map<int, GamepadDelegate*> new_gamepads;
// Copy the "still connected gamepads".
for (auto& device : gamepad_devices) {
auto it = gamepads_.find(device.id);
if (it != gamepads_.end()) {
new_gamepads[device.id] = it->second;
gamepads_.erase(it);
}
}
// Remove each disconected gamepad.
for (auto& entry : gamepads_)
entry.second->OnRemoved();
// Add each new connected gamepad.
for (auto& device : gamepad_devices) {
if (new_gamepads.find(device.id) == new_gamepads.end())
new_gamepads[device.id] = delegate_->GamepadAdded(device);
}
new_gamepads.swap(gamepads_);
}
void GamingSeat::OnGamepadEvent(const ui::GamepadEvent& event) {
auto it = gamepads_.find(event.device_id());
if (it == gamepads_.end())
return;
switch (event.type()) {
case ui::GamepadEventType::BUTTON:
it->second->OnButton(event.code(), event.raw_code(), event.value(),
event.value());
break;
case ui::GamepadEventType::AXIS:
it->second->OnAxis(event.code(), event.raw_code(), event.value());
break;
case ui::GamepadEventType::FRAME:
it->second->OnFrame();
break;
}
}
} // namespace exo