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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PDF_CONTROL_H_
#define PDF_CONTROL_H_
#include <list>
#include "base/basictypes.h"
#include "ppapi/c/dev/pp_cursor_type_dev.h"
#include "ppapi/cpp/rect.h"
namespace pp {
class ImageData;
class InputEvent;
class Instance;
}
namespace chrome_pdf {
const uint32 kInvalidControlId = 0;
class Control {
public:
class Owner {
public:
virtual ~Owner() {}
virtual void OnEvent(uint32 control_id, uint32 event_id, void* data) = 0;
virtual void Invalidate(uint32 control_id, const pp::Rect& rc) = 0;
virtual uint32 ScheduleTimer(uint32 control_id, uint32 timeout_ms) = 0;
virtual void SetEventCapture(uint32 control_id, bool set_capture) = 0;
virtual void SetCursor(uint32 control_id,
PP_CursorType_Dev cursor_type) = 0;
virtual pp::Instance* GetInstance() = 0;
};
Control();
virtual ~Control();
virtual bool Create(uint32 id, const pp::Rect& rc,
bool visible, Owner* owner);
virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc) {}
virtual bool HandleEvent(const pp::InputEvent& event);
virtual void OnTimerFired(uint32 timer_id) {}
virtual void EventCaptureReleased() {}
// Paint control into multiple destination rects.
virtual void PaintMultipleRects(pp::ImageData* image_data,
const std::list<pp::Rect>& rects);
virtual void Show(bool visible, bool invalidate);
virtual void AdjustTransparency(uint8 transparency, bool invalidate);
virtual void MoveBy(const pp::Point& offset, bool invalidate);
virtual void SetRect(const pp::Rect& rc, bool invalidate);
void MoveTo(const pp::Point& origin, bool invalidate);
uint32 id() const { return id_; }
const pp::Rect& rect() const { return rc_; }
bool visible() const { return visible_; }
Owner* owner() { return owner_; }
uint8 transparency() const { return transparency_; }
private:
uint32 id_;
pp::Rect rc_;
bool visible_;
Owner* owner_;
uint8 transparency_;
};
typedef Control::Owner ControlOwner;
} // namespace chrome_pdf
#endif // PDF_CONTROL_H_
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