1 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_DESKTOP_CAPTURE_DESKTOP_CAPTURE_API_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_DESKTOP_CAPTURE_DESKTOP_CAPTURE_API_H_ 7 8 #include <map> 9 10 #include "base/memory/singleton.h" 11 #include "chrome/browser/extensions/chrome_extension_function.h" 12 #include "chrome/browser/media/desktop_media_list.h" 13 #include "chrome/browser/media/desktop_media_picker.h" 14 #include "chrome/browser/media/native_desktop_media_list.h" 15 #include "chrome/common/extensions/api/desktop_capture.h" 16 #include "content/public/browser/web_contents_observer.h" 17 #include "url/gurl.h" 18 19 namespace extensions { 20 21 class DesktopCaptureChooseDesktopMediaFunction 22 : public ChromeAsyncExtensionFunction, 23 public content::WebContentsObserver { 24 public: 25 DECLARE_EXTENSION_FUNCTION("desktopCapture.chooseDesktopMedia", 26 DESKTOPCAPTURE_CHOOSEDESKTOPMEDIA) 27 28 // Factory creating DesktopMediaList and DesktopMediaPicker instances. 29 // Used for tests to supply fake picker. 30 class PickerFactory { 31 public: 32 virtual scoped_ptr<DesktopMediaList> CreateModel(bool show_screens, 33 bool show_windows) = 0; 34 virtual scoped_ptr<DesktopMediaPicker> CreatePicker() = 0; 35 protected: ~PickerFactory()36 virtual ~PickerFactory() {} 37 }; 38 39 // Used to set PickerFactory used to create mock DesktopMediaPicker instances 40 // for tests. Calling tests keep ownership of the factory. Can be called with 41 // |factory| set to NULL at the end of the test. 42 static void SetPickerFactoryForTests(PickerFactory* factory); 43 44 DesktopCaptureChooseDesktopMediaFunction(); 45 46 void Cancel(); 47 48 private: 49 virtual ~DesktopCaptureChooseDesktopMediaFunction(); 50 51 // ExtensionFunction overrides. 52 virtual bool RunAsync() OVERRIDE; 53 54 // content::WebContentsObserver overrides. 55 virtual void WebContentsDestroyed() OVERRIDE; 56 57 void OnPickerDialogResults(content::DesktopMediaID source); 58 59 int request_id_; 60 61 // Parameters of the tab the stream is requested for. 62 int render_process_id_; 63 int render_view_id_; 64 GURL origin_; 65 66 scoped_ptr<DesktopMediaPicker> picker_; 67 }; 68 69 class DesktopCaptureCancelChooseDesktopMediaFunction 70 : public ChromeSyncExtensionFunction { 71 public: 72 DECLARE_EXTENSION_FUNCTION("desktopCapture.cancelChooseDesktopMedia", 73 DESKTOPCAPTURE_CANCELCHOOSEDESKTOPMEDIA) 74 75 DesktopCaptureCancelChooseDesktopMediaFunction(); 76 77 private: 78 virtual ~DesktopCaptureCancelChooseDesktopMediaFunction(); 79 80 // ExtensionFunction overrides. 81 virtual bool RunSync() OVERRIDE; 82 }; 83 84 class DesktopCaptureRequestsRegistry { 85 public: 86 DesktopCaptureRequestsRegistry(); 87 ~DesktopCaptureRequestsRegistry(); 88 89 static DesktopCaptureRequestsRegistry* GetInstance(); 90 91 void AddRequest(int process_id, 92 int request_id, 93 DesktopCaptureChooseDesktopMediaFunction* handler); 94 void RemoveRequest(int process_id, int request_id); 95 void CancelRequest(int process_id, int request_id); 96 97 private: 98 friend struct DefaultSingletonTraits<DesktopCaptureRequestsRegistry>; 99 100 struct RequestId { 101 RequestId(int process_id, int request_id); 102 103 // Need to use RequestId as a key in std::map<>. 104 bool operator<(const RequestId& other) const; 105 106 int process_id; 107 int request_id; 108 }; 109 110 typedef std::map<RequestId, 111 DesktopCaptureChooseDesktopMediaFunction*> RequestsMap; 112 113 RequestsMap requests_; 114 115 DISALLOW_COPY_AND_ASSIGN(DesktopCaptureRequestsRegistry); 116 }; 117 118 } // namespace extensions 119 120 #endif // CHROME_BROWSER_EXTENSIONS_API_DESKTOP_CAPTURE_DESKTOP_CAPTURE_API_H_ 121