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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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1676 OnSingleClick(page_index, char_index); | 1676 OnSingleClick(page_index, char_index); |
1677 } else if (event.GetClickCount() == 2 || | 1677 } else if (event.GetClickCount() == 2 || |
1678 event.GetClickCount() == 3) { | 1678 event.GetClickCount() == 3) { |
1679 OnMultipleClick(event.GetClickCount(), page_index, char_index); | 1679 OnMultipleClick(event.GetClickCount(), page_index, char_index); |
1680 } | 1680 } |
1681 | 1681 |
1682 return true; | 1682 return true; |
1683 } | 1683 } |
1684 | 1684 |
1685 void PDFiumEngine::OnSingleClick(int page_index, int char_index) { | 1685 void PDFiumEngine::OnSingleClick(int page_index, int char_index) { |
1686 selecting_ = true; | 1686 SetSelecting(true); |
1687 selection_.push_back(PDFiumRange(pages_[page_index], char_index, 0)); | 1687 selection_.push_back(PDFiumRange(pages_[page_index], char_index, 0)); |
1688 } | 1688 } |
1689 | 1689 |
1690 void PDFiumEngine::OnMultipleClick(int click_count, | 1690 void PDFiumEngine::OnMultipleClick(int click_count, |
1691 int page_index, | 1691 int page_index, |
1692 int char_index) { | 1692 int char_index) { |
1693 // It would be more efficient if the SDK could support finding a space, but | 1693 // It would be more efficient if the SDK could support finding a space, but |
1694 // now it doesn't. | 1694 // now it doesn't. |
1695 int start_index = char_index; | 1695 int start_index = char_index; |
1696 do { | 1696 do { |
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1739 double page_x, page_y; | 1739 double page_x, page_y; |
1740 pp::Point point = event.GetPosition(); | 1740 pp::Point point = event.GetPosition(); |
1741 DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y); | 1741 DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y); |
1742 FORM_OnLButtonUp( | 1742 FORM_OnLButtonUp( |
1743 form_, pages_[page_index]->GetPage(), 0, page_x, page_y); | 1743 form_, pages_[page_index]->GetPage(), 0, page_x, page_y); |
1744 } | 1744 } |
1745 | 1745 |
1746 if (!selecting_) | 1746 if (!selecting_) |
1747 return false; | 1747 return false; |
1748 | 1748 |
1749 selecting_ = false; | 1749 SetSelecting(false); |
1750 return true; | 1750 return true; |
1751 } | 1751 } |
1752 | 1752 |
1753 bool PDFiumEngine::OnMouseMove(const pp::MouseInputEvent& event) { | 1753 bool PDFiumEngine::OnMouseMove(const pp::MouseInputEvent& event) { |
1754 int page_index = -1; | 1754 int page_index = -1; |
1755 int char_index = -1; | 1755 int char_index = -1; |
1756 PDFiumPage::LinkTarget target; | 1756 PDFiumPage::LinkTarget target; |
1757 PDFiumPage::Area area = | 1757 PDFiumPage::Area area = |
1758 GetCharIndex(event, &page_index, &char_index, &target); | 1758 GetCharIndex(event, &page_index, &char_index, &target); |
1759 | 1759 |
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3361 | 3361 |
3362 InvalidateAllPages(); | 3362 InvalidateAllPages(); |
3363 | 3363 |
3364 if (!current_find_text.empty()) { | 3364 if (!current_find_text.empty()) { |
3365 // Clear the UI. | 3365 // Clear the UI. |
3366 client_->NotifyNumberOfFindResultsChanged(0, false); | 3366 client_->NotifyNumberOfFindResultsChanged(0, false); |
3367 StartFind(current_find_text.c_str(), false); | 3367 StartFind(current_find_text.c_str(), false); |
3368 } | 3368 } |
3369 } | 3369 } |
3370 | 3370 |
| 3371 void PDFiumEngine::SetSelecting(bool selecting) { |
| 3372 bool was_selecting = selecting_; |
| 3373 selecting_ = selecting; |
| 3374 if (selecting_ != was_selecting) |
| 3375 engine->client_->IsSelectingChanged(selecting); |
| 3376 } |
| 3377 |
3371 void PDFiumEngine::Form_Invalidate(FPDF_FORMFILLINFO* param, | 3378 void PDFiumEngine::Form_Invalidate(FPDF_FORMFILLINFO* param, |
3372 FPDF_PAGE page, | 3379 FPDF_PAGE page, |
3373 double left, | 3380 double left, |
3374 double top, | 3381 double top, |
3375 double right, | 3382 double right, |
3376 double bottom) { | 3383 double bottom) { |
3377 PDFiumEngine* engine = static_cast<PDFiumEngine*>(param); | 3384 PDFiumEngine* engine = static_cast<PDFiumEngine*>(param); |
3378 int page_index = engine->GetVisiblePageIndex(page); | 3385 int page_index = engine->GetVisiblePageIndex(page); |
3379 if (page_index == -1) { | 3386 if (page_index == -1) { |
3380 // This can sometime happen when the page is closed because it went off | 3387 // This can sometime happen when the page is closed because it went off |
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3916 double* height) { | 3923 double* height) { |
3917 FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL); | 3924 FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL); |
3918 if (!doc) | 3925 if (!doc) |
3919 return false; | 3926 return false; |
3920 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; | 3927 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; |
3921 FPDF_CloseDocument(doc); | 3928 FPDF_CloseDocument(doc); |
3922 return success; | 3929 return success; |
3923 } | 3930 } |
3924 | 3931 |
3925 } // namespace chrome_pdf | 3932 } // namespace chrome_pdf |
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