Index: content/browser/gamepad/gamepad_platform_data_fetcher_android.cc |
diff --git a/content/browser/gamepad/gamepad_platform_data_fetcher_android.cc b/content/browser/gamepad/gamepad_platform_data_fetcher_android.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fbab10401f29a3596cc660630c347ab3004fbd69 |
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+++ b/content/browser/gamepad/gamepad_platform_data_fetcher_android.cc |
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+/* |
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. |
+ * |
+ * Redistribution and use in source and binary forms, with or without |
+ * modification, are permitted provided that the following conditions |
+ * are met: |
+ * * Redistributions of source code must retain the above copyright |
+ * notice, this list of conditions and the following disclaimer. |
+ * * Redistributions in binary form must reproduce the above copyright |
+ * notice, this list of conditions and the following disclaimer in the |
+ * documentation and/or other materials provided with the distribution. |
+ * * Neither the name of NVIDIA CORPORATION nor the names of its |
+ * contributors may be used to endorse or promote products derived |
+ * from this software without specific prior written permission. |
+ * |
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+*/ |
+ |
+#include "base/strings/string_number_conversions.h" |
+#include "base/strings/string_util.h" |
+#include "base/strings/utf_string_conversions.h" |
+#include "content/browser/gamepad/gamepad_platform_data_fetcher_android.h" |
+#include "third_party/WebKit/public/platform/WebGamepads.h" |
+ |
+#if defined(OS_ANDROID) |
+ |
+namespace content { |
+ |
+GamepadPlatformDataFetcherAndroid::GamepadPlatformDataFetcherAndroid() { |
+} |
+ |
+void GamepadPlatformDataFetcherAndroid::GetGamepadData( |
+ blink::WebGamepads* pads, bool) { |
+ |
+ GamepadsReader* m_gamepadsReader = GamepadsReader::GetInstance(); |
+ |
+ pads->length = m_gamepadsReader->updateGamepadsCount(); |
+ if (pads->length == 0) |
+ return; |
+ |
+ for (unsigned int i = 0; i < WebGamepads::itemsLengthCap; i++) { |
+ bool ifDeviceConnected = m_gamepadsReader->isDeviceConnected(i); |
+ if (ifDeviceConnected) { |
+ |
+ // Set connected flag to true for all the gamepad devices that are |
+ // attached. |
+ pads->items[i].connected = true; |
+ |
+ // Map the Gamepad DeviceName String to the WebGamepad Id and then |
+ // convert the utf-8 id string to WebUChar. |
+ // Ideally it should be mapped to vendor and product information |
+ // but it is only available at kernel level and it can not be |
+ // queried using class android.hardware.input.InputManager. |
+ |
+ std::string string1 = m_gamepadsReader->getDeviceName(i); |
+ base::TruncateUTF8ToByteSize(string1, WebGamepad::idLengthCap - 1, |
+ &string1); |
+ base::string16 tmp16 = base::UTF8ToUTF16(string1); |
+ memset(pads->items[i].id, 0, sizeof(pads->items[i].id)); |
+ tmp16.copy(pads->items[i].id, arraysize(pads->items[i].id) - 1); |
+ |
+ // timestamp is queried from GamepadReader. |
+ pads->items[i].timestamp = m_gamepadsReader->getDeviceTimestamp(i); |
+ |
+ // A float vector is queried from GamepadReader that stores the |
+ // state of axeses. |
+ std::vector<float> axes = m_gamepadsReader->getDeviceAxes(i); |
+ |
+ // Set WebGamepad axeslength to total number of axes on the gamepad |
+ // device. |
+ pads->items[i].axesLength = axes.size(); |
+ |
+ // A float vector is queried from GamepadReader that stores the |
+ // button's state. |
+ std::vector<float> buttons = m_gamepadsReader->getDeviceButtons(i); |
+ |
+ // Set WebGamepad buttonslength to total numbers of buttons on the |
+ // gamepad device. |
+ pads->items[i].buttonsLength = buttons.size(); |
+ |
+ // Set WebGamepad connected flag to false if buttonslength or |
+ // axeslength returned by |
+ // JNI are larger than permitted value. |
+ if (pads->items[i].axesLength > WebGamepad::axesLengthCap || |
+ pads->items[i].buttonsLength > |
+ WebGamepad::buttonsLengthCap) { |
+ pads->items[i].connected = false; |
+ } else { |
+ // Copy axes state to the WebGamepad axes[]. |
+ for (unsigned int j = 0; j < pads->items[i].axesLength; j++) |
+ pads->items[i].axes[j] = axes[j]; |
+ |
+ // Copy buttons state to the WebGamepad buttons[]. |
+ for (unsigned int j = 0; j < pads->items[i].buttonsLength; j++) |
+ pads->items[i].buttons[j] = buttons[j]; |
+ } |
+ } else { |
+ // Set connected flag to flase for all the gamepad devices that are |
+ // not attached. |
+ pads->items[i].connected = false; |
+ } |
+ } |
+} |
+ |
+void GamepadPlatformDataFetcherAndroid::PauseHint(bool isaccesspaused) { |
+ GamepadsReader::GetInstance()->notifyForGamepadsAccess(isaccesspaused); |
+} |
+ |
+GamepadPlatformDataFetcherAndroid::~GamepadPlatformDataFetcherAndroid() { |
+} |
+ |
+} // namespace content |
+#endif |