| // Copyright (c) 2010 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_THUMBNAIL_CONTROL_H_ |
| #define PDF_THUMBNAIL_CONTROL_H_ |
| |
| #include <map> |
| #include <vector> |
| |
| #include "pdf/control.h" |
| #include "pdf/pdf_engine.h" |
| #include "ppapi/cpp/input_event.h" |
| |
| namespace chrome_pdf { |
| |
| class NumberImageGenerator; |
| |
| class ThumbnailControl : public Control { |
| public: |
| enum ThumbnailEventIds { |
| EVENT_ID_THUMBNAIL_SELECTED = 100, |
| }; |
| |
| explicit ThumbnailControl(); |
| virtual ~ThumbnailControl(); |
| |
| // Sets current position of the thumnail control. |
| void SetPosition(int position, int total, bool invalidate); |
| void SlideIn(); |
| void SlideOut(); |
| |
| virtual bool CreateThumbnailControl( |
| uint32 id, const pp::Rect& rc, |
| bool visible, Owner* owner, PDFEngine* engine, |
| NumberImageGenerator* number_image_generator); |
| |
| // Control interface. |
| virtual void Show(bool visible, bool invalidate); |
| 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 ResetEngine(PDFEngine* engine); |
| |
| private: |
| void ClearCache(); |
| |
| struct PageInfo { |
| int index; |
| pp::Rect rect; |
| }; |
| |
| PDFEngine* engine_; |
| pp::Rect visible_rect_; |
| std::vector<PageInfo> visible_pages_; |
| std::map<int, pp::ImageData*> image_cache_; |
| int sliding_width_; |
| int sliding_shift_; |
| int sliding_timeout_; |
| uint32 sliding_timer_id_; |
| NumberImageGenerator* number_image_generator_; |
| }; |
| |
| } // namespace chrome_pdf |
| |
| #endif // PDF_THUMBNAIL_CONTROL_H_ |