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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "pdf/pdfium/pdfium_engine.h" | 5 #include "pdf/pdfium/pdfium_engine.h" |
6 | 6 |
7 #include <math.h> | 7 #include <math.h> |
8 | 8 |
9 #include "base/json/json_writer.h" | 9 #include "base/json/json_writer.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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1725 OnSingleClick(page_index, char_index); | 1725 OnSingleClick(page_index, char_index); |
1726 } else if (event.GetClickCount() == 2 || | 1726 } else if (event.GetClickCount() == 2 || |
1727 event.GetClickCount() == 3) { | 1727 event.GetClickCount() == 3) { |
1728 OnMultipleClick(event.GetClickCount(), page_index, char_index); | 1728 OnMultipleClick(event.GetClickCount(), page_index, char_index); |
1729 } | 1729 } |
1730 | 1730 |
1731 return true; | 1731 return true; |
1732 } | 1732 } |
1733 | 1733 |
1734 void PDFiumEngine::OnSingleClick(int page_index, int char_index) { | 1734 void PDFiumEngine::OnSingleClick(int page_index, int char_index) { |
1735 selecting_ = true; | 1735 SetSelecting(true); |
1736 selection_.push_back(PDFiumRange(pages_[page_index], char_index, 0)); | 1736 selection_.push_back(PDFiumRange(pages_[page_index], char_index, 0)); |
1737 } | 1737 } |
1738 | 1738 |
1739 void PDFiumEngine::OnMultipleClick(int click_count, | 1739 void PDFiumEngine::OnMultipleClick(int click_count, |
1740 int page_index, | 1740 int page_index, |
1741 int char_index) { | 1741 int char_index) { |
1742 // It would be more efficient if the SDK could support finding a space, but | 1742 // It would be more efficient if the SDK could support finding a space, but |
1743 // now it doesn't. | 1743 // now it doesn't. |
1744 int start_index = char_index; | 1744 int start_index = char_index; |
1745 do { | 1745 do { |
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1788 double page_x, page_y; | 1788 double page_x, page_y; |
1789 pp::Point point = event.GetPosition(); | 1789 pp::Point point = event.GetPosition(); |
1790 DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y); | 1790 DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y); |
1791 FORM_OnLButtonUp( | 1791 FORM_OnLButtonUp( |
1792 form_, pages_[page_index]->GetPage(), 0, page_x, page_y); | 1792 form_, pages_[page_index]->GetPage(), 0, page_x, page_y); |
1793 } | 1793 } |
1794 | 1794 |
1795 if (!selecting_) | 1795 if (!selecting_) |
1796 return false; | 1796 return false; |
1797 | 1797 |
1798 selecting_ = false; | 1798 SetSelecting(false); |
1799 return true; | 1799 return true; |
1800 } | 1800 } |
1801 | 1801 |
1802 bool PDFiumEngine::OnMouseMove(const pp::MouseInputEvent& event) { | 1802 bool PDFiumEngine::OnMouseMove(const pp::MouseInputEvent& event) { |
1803 int page_index = -1; | 1803 int page_index = -1; |
1804 int char_index = -1; | 1804 int char_index = -1; |
1805 PDFiumPage::LinkTarget target; | 1805 PDFiumPage::LinkTarget target; |
1806 PDFiumPage::Area area = | 1806 PDFiumPage::Area area = |
1807 GetCharIndex(event, &page_index, &char_index, &target); | 1807 GetCharIndex(event, &page_index, &char_index, &target); |
1808 | 1808 |
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3472 | 3472 |
3473 InvalidateAllPages(); | 3473 InvalidateAllPages(); |
3474 | 3474 |
3475 if (!current_find_text.empty()) { | 3475 if (!current_find_text.empty()) { |
3476 // Clear the UI. | 3476 // Clear the UI. |
3477 client_->NotifyNumberOfFindResultsChanged(0, false); | 3477 client_->NotifyNumberOfFindResultsChanged(0, false); |
3478 StartFind(current_find_text.c_str(), false); | 3478 StartFind(current_find_text.c_str(), false); |
3479 } | 3479 } |
3480 } | 3480 } |
3481 | 3481 |
| 3482 void PDFiumEngine::SetSelecting(bool selecting) { |
| 3483 bool was_selecting = selecting_; |
| 3484 selecting_ = selecting; |
| 3485 if (selecting_ != was_selecting) |
| 3486 client_->IsSelectingChanged(selecting); |
| 3487 } |
| 3488 |
3482 void PDFiumEngine::Form_Invalidate(FPDF_FORMFILLINFO* param, | 3489 void PDFiumEngine::Form_Invalidate(FPDF_FORMFILLINFO* param, |
3483 FPDF_PAGE page, | 3490 FPDF_PAGE page, |
3484 double left, | 3491 double left, |
3485 double top, | 3492 double top, |
3486 double right, | 3493 double right, |
3487 double bottom) { | 3494 double bottom) { |
3488 PDFiumEngine* engine = static_cast<PDFiumEngine*>(param); | 3495 PDFiumEngine* engine = static_cast<PDFiumEngine*>(param); |
3489 int page_index = engine->GetVisiblePageIndex(page); | 3496 int page_index = engine->GetVisiblePageIndex(page); |
3490 if (page_index == -1) { | 3497 if (page_index == -1) { |
3491 // This can sometime happen when the page is closed because it went off | 3498 // This can sometime happen when the page is closed because it went off |
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4028 double* height) { | 4035 double* height) { |
4029 FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL); | 4036 FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL); |
4030 if (!doc) | 4037 if (!doc) |
4031 return false; | 4038 return false; |
4032 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; | 4039 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; |
4033 FPDF_CloseDocument(doc); | 4040 FPDF_CloseDocument(doc); |
4034 return success; | 4041 return success; |
4035 } | 4042 } |
4036 | 4043 |
4037 } // namespace chrome_pdf | 4044 } // namespace chrome_pdf |
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