| // 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. |
| |
| #ifndef CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ |
| #define CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "build/build_config.h" |
| #include "content/browser/gamepad/gamepad_data_fetcher.h" |
| #include "content/browser/gamepad/gamepad_standard_mappings.h" |
| #include "content/browser/gamepad/xbox_data_fetcher_mac.h" |
| #include "content/common/gamepad_hardware_buffer.h" |
| #include "third_party/WebKit/public/platform/WebGamepads.h" |
| |
| #include <CoreFoundation/CoreFoundation.h> |
| #include <IOKit/hid/IOHIDManager.h> |
| |
| #if defined(__OBJC__) |
| @class NSArray; |
| #else |
| class NSArray; |
| #endif |
| |
| namespace content { |
| |
| class GamepadPlatformDataFetcherMac : public GamepadDataFetcher, |
| public XboxDataFetcher::Delegate { |
| public: |
| GamepadPlatformDataFetcherMac(); |
| ~GamepadPlatformDataFetcherMac() override; |
| void GetGamepadData(blink::WebGamepads* pads, |
| bool devices_changed_hint) override; |
| void PauseHint(bool paused) override; |
| |
| private: |
| bool enabled_; |
| bool paused_; |
| base::ScopedCFTypeRef<IOHIDManagerRef> hid_manager_ref_; |
| |
| static GamepadPlatformDataFetcherMac* InstanceFromContext(void* context); |
| static void DeviceAddCallback(void* context, |
| IOReturn result, |
| void* sender, |
| IOHIDDeviceRef ref); |
| static void DeviceRemoveCallback(void* context, |
| IOReturn result, |
| void* sender, |
| IOHIDDeviceRef ref); |
| static void ValueChangedCallback(void* context, |
| IOReturn result, |
| void* sender, |
| IOHIDValueRef ref); |
| |
| size_t GetEmptySlot(); |
| size_t GetSlotForDevice(IOHIDDeviceRef device); |
| size_t GetSlotForXboxDevice(XboxController* device); |
| |
| void DeviceAdd(IOHIDDeviceRef device); |
| bool AddButtonsAndAxes(NSArray* elements, size_t slot); |
| void DeviceRemove(IOHIDDeviceRef device); |
| void ValueChanged(IOHIDValueRef value); |
| |
| void XboxDeviceAdd(XboxController* device) override; |
| void XboxDeviceRemove(XboxController* device) override; |
| void XboxValueChanged(XboxController* device, |
| const XboxController::Data& data) override; |
| |
| void RegisterForNotifications(); |
| void UnregisterFromNotifications(); |
| |
| scoped_ptr<XboxDataFetcher> xbox_fetcher_; |
| |
| blink::WebGamepads data_; |
| |
| // Side-band data that's not passed to the consumer, but we need to maintain |
| // to update data_. |
| struct AssociatedData { |
| bool is_xbox; |
| union { |
| struct { |
| IOHIDDeviceRef device_ref; |
| IOHIDElementRef button_elements[blink::WebGamepad::buttonsLengthCap]; |
| IOHIDElementRef axis_elements[blink::WebGamepad::axesLengthCap]; |
| CFIndex axis_minimums[blink::WebGamepad::axesLengthCap]; |
| CFIndex axis_maximums[blink::WebGamepad::axesLengthCap]; |
| // Function to map from device data to standard layout, if available. |
| // May be null if no mapping is available. |
| GamepadStandardMappingFunction mapper; |
| } hid; |
| struct { |
| XboxController* device; |
| UInt32 location_id; |
| } xbox; |
| }; |
| }; |
| AssociatedData associated_[blink::WebGamepads::itemsLengthCap]; |
| |
| DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherMac); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ |