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| 1 // Copyright (c) 2012 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 #ifndef CONTENT_BROWSER_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ | |
| 6 #define CONTENT_BROWSER_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/mac/scoped_cftyperef.h" | |
| 11 #include "build/build_config.h" | |
| 12 #include "content/browser/gamepad/data_fetcher.h" | |
| 13 #include "content/browser/gamepad/gamepad_standard_mappings.h" | |
| 14 #include "content/common/gamepad_hardware_buffer.h" | |
| 15 | |
| 16 #include <CoreFoundation/CoreFoundation.h> | |
| 17 #include <IOKit/hid/IOHIDManager.h> | |
| 18 | |
| 19 #if defined(__OBJC__) | |
| 20 @class NSArray; | |
| 21 #else | |
| 22 class NSArray; | |
| 23 #endif | |
| 24 | |
| 25 namespace content { | |
| 26 | |
| 27 class GamepadPlatformDataFetcherMac : public GamepadDataFetcher { | |
| 28 public: | |
| 29 GamepadPlatformDataFetcherMac(); | |
| 30 virtual ~GamepadPlatformDataFetcherMac(); | |
| 31 virtual void GetGamepadData(WebKit::WebGamepads* pads, | |
| 32 bool devices_changed_hint) OVERRIDE; | |
| 33 virtual void PauseHint(bool paused) OVERRIDE; | |
| 34 | |
| 35 private: | |
| 36 bool enabled_; | |
| 37 base::mac::ScopedCFTypeRef<IOHIDManagerRef> hid_manager_ref_; | |
| 38 | |
| 39 static GamepadPlatformDataFetcherMac* InstanceFromContext(void* context); | |
| 40 static void DeviceAddCallback(void* context, | |
| 41 IOReturn result, | |
| 42 void* sender, | |
| 43 IOHIDDeviceRef ref); | |
| 44 static void DeviceRemoveCallback(void* context, | |
| 45 IOReturn result, | |
| 46 void* sender, | |
| 47 IOHIDDeviceRef ref); | |
| 48 static void ValueChangedCallback(void* context, | |
| 49 IOReturn result, | |
| 50 void* sender, | |
| 51 IOHIDValueRef ref); | |
| 52 | |
| 53 void DeviceAdd(IOHIDDeviceRef device); | |
| 54 void AddButtonsAndAxes(NSArray* elements, size_t slot); | |
| 55 void DeviceRemove(IOHIDDeviceRef device); | |
| 56 void ValueChanged(IOHIDValueRef value); | |
| 57 | |
| 58 void RegisterForNotifications(); | |
| 59 void UnregisterFromNotifications(); | |
| 60 | |
| 61 WebKit::WebGamepads data_; | |
| 62 | |
| 63 // Side-band data that's not passed to the consumer, but we need to maintain | |
| 64 // to update data_. | |
| 65 struct AssociatedData { | |
| 66 IOHIDDeviceRef device_ref; | |
| 67 IOHIDElementRef button_elements[WebKit::WebGamepad::buttonsLengthCap]; | |
| 68 IOHIDElementRef axis_elements[WebKit::WebGamepad::buttonsLengthCap]; | |
| 69 CFIndex axis_minimums[WebKit::WebGamepad::axesLengthCap]; | |
| 70 CFIndex axis_maximums[WebKit::WebGamepad::axesLengthCap]; | |
| 71 // Function to map from device data to standard layout, if available. May | |
| 72 // be null if no mapping is available. | |
| 73 GamepadStandardMappingFunction mapper; | |
| 74 }; | |
| 75 AssociatedData associated_[WebKit::WebGamepads::itemsLengthCap]; | |
| 76 | |
| 77 DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherMac); | |
| 78 }; | |
| 79 | |
| 80 } // namespace content | |
| 81 | |
| 82 #endif // CONTENT_BROWSER_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ | |
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Chromium Code Reviews
Issue 10912062:
Implement the gamepad API in the IPC proxy (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src