1 // Copyright (c) 2012 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 PDF_CONTROL_H_ 6 #define PDF_CONTROL_H_ 7 8 #include <list> 9 10 #include "base/basictypes.h" 11 #include "ppapi/c/dev/pp_cursor_type_dev.h" 12 #include "ppapi/cpp/rect.h" 13 14 namespace pp { 15 class ImageData; 16 class InputEvent; 17 class Instance; 18 } 19 20 namespace chrome_pdf { 21 22 const uint32 kInvalidControlId = 0; 23 24 class Control { 25 public: 26 class Owner { 27 public: 28 virtual ~Owner() {} 29 virtual void OnEvent(uint32 control_id, uint32 event_id, void* data) = 0; 30 virtual void Invalidate(uint32 control_id, const pp::Rect& rc) = 0; 31 virtual uint32 ScheduleTimer(uint32 control_id, uint32 timeout_ms) = 0; 32 virtual void SetEventCapture(uint32 control_id, bool set_capture) = 0; 33 virtual void SetCursor(uint32 control_id, 34 PP_CursorType_Dev cursor_type) = 0; 35 virtual pp::Instance* GetInstance() = 0; 36 }; 37 38 Control(); 39 virtual ~Control(); 40 virtual bool Create(uint32 id, const pp::Rect& rc, 41 bool visible, Owner* owner); 42 43 virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc) {} 44 virtual bool HandleEvent(const pp::InputEvent& event); 45 virtual void OnTimerFired(uint32 timer_id) {} 46 virtual void EventCaptureReleased() {} 47 48 // Paint control into multiple destination rects. 49 virtual void PaintMultipleRects(pp::ImageData* image_data, 50 const std::list<pp::Rect>& rects); 51 52 virtual void Show(bool visible, bool invalidate); 53 virtual void AdjustTransparency(uint8 transparency, bool invalidate); 54 virtual void MoveBy(const pp::Point& offset, bool invalidate); 55 virtual void SetRect(const pp::Rect& rc, bool invalidate); 56 57 void MoveTo(const pp::Point& origin, bool invalidate); 58 59 uint32 id() const { return id_; } 60 const pp::Rect& rect() const { return rc_; } 61 bool visible() const { return visible_; } 62 Owner* owner() { return owner_; } 63 uint8 transparency() const { return transparency_; } 64 65 private: 66 uint32 id_; 67 pp::Rect rc_; 68 bool visible_; 69 Owner* owner_; 70 uint8 transparency_; 71 }; 72 73 typedef Control::Owner ControlOwner; 74 75 } // namespace chrome_pdf 76 77 #endif // PDF_CONTROL_H_ 78
