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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "fpdfsdk/include/cpdfsdk_annot.h" | 7 #include "fpdfsdk/include/cpdfsdk_annot.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 | 10 |
11 #include "fpdfsdk/include/fsdk_mgr.h" | 11 #include "fpdfsdk/include/fsdk_mgr.h" |
| 12 #include "third_party/base/stl_util.h" |
12 | 13 |
13 #ifdef PDF_ENABLE_XFA | 14 #ifdef PDF_ENABLE_XFA |
14 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" | 15 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" |
15 #endif // PDF_ENABLE_XFA | 16 #endif // PDF_ENABLE_XFA |
16 | 17 |
17 namespace { | 18 namespace { |
18 | 19 |
19 const float kMinWidth = 1.0f; | 20 const float kMinWidth = 1.0f; |
20 const float kMinHeight = 1.0f; | 21 const float kMinHeight = 1.0f; |
21 | 22 |
22 } // namespace | 23 } // namespace |
23 | 24 |
| 25 CPDFSDK_Annot::Observer::Observer(CPDFSDK_Annot** pWatchedPtr) |
| 26 : m_pWatchedPtr(pWatchedPtr) { |
| 27 (*m_pWatchedPtr)->AddObserver(this); |
| 28 } |
| 29 |
| 30 CPDFSDK_Annot::Observer::~Observer() { |
| 31 if (m_pWatchedPtr) |
| 32 (*m_pWatchedPtr)->RemoveObserver(this); |
| 33 } |
| 34 |
| 35 void CPDFSDK_Annot::Observer::OnAnnotDestroyed() { |
| 36 ASSERT(m_pWatchedPtr); |
| 37 *m_pWatchedPtr = nullptr; |
| 38 m_pWatchedPtr = nullptr; |
| 39 } |
| 40 |
24 CPDFSDK_Annot::CPDFSDK_Annot(CPDFSDK_PageView* pPageView) | 41 CPDFSDK_Annot::CPDFSDK_Annot(CPDFSDK_PageView* pPageView) |
25 : m_pPageView(pPageView), m_bSelected(FALSE) {} | 42 : m_pPageView(pPageView), m_bSelected(FALSE) {} |
26 | 43 |
27 CPDFSDK_Annot::~CPDFSDK_Annot() {} | 44 CPDFSDK_Annot::~CPDFSDK_Annot() { |
| 45 for (auto* pObserver : m_Observers) |
| 46 pObserver->OnAnnotDestroyed(); |
| 47 } |
| 48 |
| 49 void CPDFSDK_Annot::AddObserver(Observer* pObserver) { |
| 50 ASSERT(!pdfium::ContainsKey(m_Observers, pObserver)); |
| 51 m_Observers.insert(pObserver); |
| 52 } |
| 53 |
| 54 void CPDFSDK_Annot::RemoveObserver(Observer* pObserver) { |
| 55 ASSERT(pdfium::ContainsKey(m_Observers, pObserver)); |
| 56 m_Observers.erase(pObserver); |
| 57 } |
28 | 58 |
29 #ifdef PDF_ENABLE_XFA | 59 #ifdef PDF_ENABLE_XFA |
30 | 60 |
31 FX_BOOL CPDFSDK_Annot::IsXFAField() { | 61 FX_BOOL CPDFSDK_Annot::IsXFAField() { |
32 return FALSE; | 62 return FALSE; |
33 } | 63 } |
34 | 64 |
35 CXFA_FFWidget* CPDFSDK_Annot::GetXFAWidget() const { | 65 CXFA_FFWidget* CPDFSDK_Annot::GetXFAWidget() const { |
36 return nullptr; | 66 return nullptr; |
37 } | 67 } |
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88 #ifdef PDF_ENABLE_XFA | 118 #ifdef PDF_ENABLE_XFA |
89 return GetPDFXFAPage(); | 119 return GetPDFXFAPage(); |
90 #else // PDF_ENABLE_XFA | 120 #else // PDF_ENABLE_XFA |
91 return GetPDFPage(); | 121 return GetPDFPage(); |
92 #endif // PDF_ENABLE_XFA | 122 #endif // PDF_ENABLE_XFA |
93 } | 123 } |
94 | 124 |
95 CPDF_Page* CPDFSDK_Annot::GetPDFPage() { | 125 CPDF_Page* CPDFSDK_Annot::GetPDFPage() { |
96 return m_pPageView ? m_pPageView->GetPDFPage() : nullptr; | 126 return m_pPageView ? m_pPageView->GetPDFPage() : nullptr; |
97 } | 127 } |
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