1 /* 2 * Copyright 2010, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef DeviceOrientationClientAndroid_h 27 #define DeviceOrientationClientAndroid_h 28 29 #include <DeviceOrientationClient.h> 30 31 namespace WebCore { 32 class DeviceOrientationController; 33 } 34 35 namespace android { 36 37 class WebViewCore; 38 39 // The Android implementation of DeviceOrientationClient. Acts as a proxy to 40 // the real or mock impl, which is owned by the WebViewCore. 41 class DeviceOrientationClientAndroid : public WebCore::DeviceOrientationClient { 42 public: 43 DeviceOrientationClientAndroid(); 44 45 void setWebViewCore(WebViewCore*); 46 47 // DeviceOrientationClient methods 48 virtual void setController(WebCore::DeviceOrientationController*); 49 virtual void startUpdating(); 50 virtual void stopUpdating(); 51 virtual WebCore::DeviceOrientation* lastOrientation() const; 52 virtual void deviceOrientationControllerDestroyed(); 53 54 private: 55 WebCore::DeviceOrientationClient* client() const; 56 57 WebViewCore* m_webViewCore; 58 WebCore::DeviceOrientationController* m_controller; 59 // Lazily obtained cache of the client owned by the WebViewCore. 60 mutable WebCore::DeviceOrientationClient* m_client; 61 }; 62 63 } // namespace android 64 65 #endif // DeviceOrientationClientAndroid_h 66