Implemented Gamepad support via Raw Input on Windows

content/browser/gamepad/gamepad_platform_data_fetcher_win.h

Index: content/browser/gamepad/gamepad_platform_data_fetcher_win.h
diff --git a/content/browser/gamepad/gamepad_platform_data_fetcher_win.h b/content/browser/gamepad/gamepad_platform_data_fetcher_win.h
index ffb7106d6c28569e6f0bc9dcd17c9ff9c267081a..806ad70d0aa5a8bb941967126f46c6ee9706d1b2 100644
--- a/content/browser/gamepad/gamepad_platform_data_fetcher_win.h
+++ b/content/browser/gamepad/gamepad_platform_data_fetcher_win.h
@@ -18,9 +18,13 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/message_loop/message_loop.h"
 #include "base/scoped_native_library.h"
 #include "content/browser/gamepad/gamepad_data_fetcher.h"
 #include "content/browser/gamepad/gamepad_standard_mappings.h"
+#include "content/browser/gamepad/raw_input_data_fetcher_win.h"
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 
 namespace content {
@@ -31,6 +35,8 @@ class GamepadPlatformDataFetcherWin : public GamepadDataFetcher {
   virtual ~GamepadPlatformDataFetcherWin();
   virtual void GetGamepadData(blink::WebGamepads* pads,
                               bool devices_changed_hint) OVERRIDE;
+  virtual void PauseHint(bool paused) OVERRIDE;
+
  private:
   // XInput-specific implementation for GetGamepadData.
   bool GetXInputGamepadData(blink::WebGamepads* pads,
@@ -54,9 +60,11 @@ class GamepadPlatformDataFetcherWin : public GamepadDataFetcher {
   bool GetXInputPadConnectivity(int i, blink::WebGamepad* pad) const;
 
   void GetXInputPadData(int i, blink::WebGamepad* pad);
+  void GetRawInputPadData(int i, blink::WebGamepad* pad);
 
   int FirstAvailableGamepadId() const;
   bool HasXInputGamepad(int index) const;
+  bool HasRawInputGamepad(const HANDLE handle) const;
 
   base::ScopedNativeLibrary xinput_dll_;
   bool xinput_available_;
@@ -69,16 +77,21 @@ class GamepadPlatformDataFetcherWin : public GamepadDataFetcher {
 
   enum PadConnectionStatus {
     DISCONNECTED,
-    XINPUT_CONNECTED
+    XINPUT_CONNECTED,
+    RAWINPUT_CONNECTED
   };
 
   struct PadState {
     PadConnectionStatus status;
-    int xinput_index;  // XInput-only.
     GamepadStandardMappingFunction mapper;
+
+    int xinput_index; // XInput-only
+    HANDLE handle;  // RawInput-only fields.

[scottmg, 2014/02/03 23:58:15]

handle -> raw_input_handle for consistency

   };
   PadState pad_state_[blink::WebGamepads::itemsLengthCap];
 
+  scoped_ptr<RawInputDataFetcher> raw_input_fetcher_;
+
   DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherWin);
 };