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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 #include "third_party/base/stl_util.h" |
13 | 13 |
14 #ifdef PDF_ENABLE_XFA | 14 #ifdef PDF_ENABLE_XFA |
15 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" | 15 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" |
16 #endif // PDF_ENABLE_XFA | 16 #endif // PDF_ENABLE_XFA |
17 | 17 |
18 namespace { | 18 namespace { |
19 | 19 |
20 const float kMinWidth = 1.0f; | 20 const float kMinWidth = 1.0f; |
21 const float kMinHeight = 1.0f; | 21 const float kMinHeight = 1.0f; |
22 | 22 |
23 } // namespace | 23 } // namespace |
24 | 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 | |
41 CPDFSDK_Annot::CPDFSDK_Annot(CPDFSDK_PageView* pPageView) | 25 CPDFSDK_Annot::CPDFSDK_Annot(CPDFSDK_PageView* pPageView) |
42 : m_pPageView(pPageView), m_bSelected(FALSE) {} | 26 : m_pPageView(pPageView), m_bSelected(FALSE) {} |
43 | 27 |
44 CPDFSDK_Annot::~CPDFSDK_Annot() { | 28 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 } | |
58 | 29 |
59 #ifdef PDF_ENABLE_XFA | 30 #ifdef PDF_ENABLE_XFA |
60 | 31 |
61 FX_BOOL CPDFSDK_Annot::IsXFAField() { | 32 FX_BOOL CPDFSDK_Annot::IsXFAField() { |
62 return FALSE; | 33 return FALSE; |
63 } | 34 } |
64 | 35 |
65 CXFA_FFWidget* CPDFSDK_Annot::GetXFAWidget() const { | 36 CXFA_FFWidget* CPDFSDK_Annot::GetXFAWidget() const { |
66 return nullptr; | 37 return nullptr; |
67 } | 38 } |
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118 #ifdef PDF_ENABLE_XFA | 89 #ifdef PDF_ENABLE_XFA |
119 return GetPDFXFAPage(); | 90 return GetPDFXFAPage(); |
120 #else // PDF_ENABLE_XFA | 91 #else // PDF_ENABLE_XFA |
121 return GetPDFPage(); | 92 return GetPDFPage(); |
122 #endif // PDF_ENABLE_XFA | 93 #endif // PDF_ENABLE_XFA |
123 } | 94 } |
124 | 95 |
125 CPDF_Page* CPDFSDK_Annot::GetPDFPage() { | 96 CPDF_Page* CPDFSDK_Annot::GetPDFPage() { |
126 return m_pPageView ? m_pPageView->GetPDFPage() : nullptr; | 97 return m_pPageView ? m_pPageView->GetPDFPage() : nullptr; |
127 } | 98 } |
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