1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 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 #import "WebDeviceOrientationProvider.h" 27 #import <WebCore/DeviceOrientationClient.h> 28 29 namespace WebCore { 30 class DeviceOrientationController; 31 } 32 33 @class WebView; 34 35 // This class is the Mac implementation of DeviceOrientationClient. It is 36 // passed to the Page constructor by the WebView. It is a simple proxy to 37 // either the real or mock client which is passed to the WebView. It is 38 // required because the WebView must pass a client to the Page constructor, 39 // but the real or mock client can not be specified until after the Page has 40 // been constructed. 41 class WebDeviceOrientationClient : public WebCore::DeviceOrientationClient { 42 public: 43 WebDeviceOrientationClient(WebView*); 44 45 // DeviceOrientationClient methods 46 virtual void setController(WebCore::DeviceOrientationController*); 47 virtual void startUpdating(); 48 virtual void stopUpdating(); 49 virtual WebCore::DeviceOrientation* lastOrientation() const; 50 virtual void deviceOrientationControllerDestroyed(); 51 52 private: 53 id<WebDeviceOrientationProvider> getProvider() const; 54 55 WebView* m_webView; 56 WebCore::DeviceOrientationController* m_controller; 57 mutable id<WebDeviceOrientationProvider> m_provider; 58 }; 59
