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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fpdfsdk/include/cpdfsdk_annot.h"
#include <algorithm>
#include "fpdfsdk/include/fsdk_mgr.h"
#include "third_party/base/stl_util.h"
#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h"
#endif // PDF_ENABLE_XFA
namespace {
const float kMinWidth = 1.0f;
const float kMinHeight = 1.0f;
} // namespace
CPDFSDK_Annot::Observer::Observer(CPDFSDK_Annot** pWatchedPtr)
: m_pWatchedPtr(pWatchedPtr) {
(*m_pWatchedPtr)->AddObserver(this);
}
CPDFSDK_Annot::Observer::~Observer() {
if (m_pWatchedPtr)
(*m_pWatchedPtr)->RemoveObserver(this);
}
void CPDFSDK_Annot::Observer::OnAnnotDestroyed() {
ASSERT(m_pWatchedPtr);
*m_pWatchedPtr = nullptr;
m_pWatchedPtr = nullptr;
}
CPDFSDK_Annot::CPDFSDK_Annot(CPDFSDK_PageView* pPageView)
: m_pPageView(pPageView), m_bSelected(FALSE) {}
CPDFSDK_Annot::~CPDFSDK_Annot() {
for (auto* pObserver : m_Observers)
pObserver->OnAnnotDestroyed();
}
void CPDFSDK_Annot::AddObserver(Observer* pObserver) {
ASSERT(!pdfium::ContainsKey(m_Observers, pObserver));
m_Observers.insert(pObserver);
}
void CPDFSDK_Annot::RemoveObserver(Observer* pObserver) {
ASSERT(pdfium::ContainsKey(m_Observers, pObserver));
m_Observers.erase(pObserver);
}
#ifdef PDF_ENABLE_XFA
FX_BOOL CPDFSDK_Annot::IsXFAField() {
return FALSE;
}
CXFA_FFWidget* CPDFSDK_Annot::GetXFAWidget() const {
return nullptr;
}
CPDFXFA_Page* CPDFSDK_Annot::GetPDFXFAPage() {
return m_pPageView ? m_pPageView->GetPDFXFAPage() : nullptr;
}
#endif // PDF_ENABLE_XFA
FX_FLOAT CPDFSDK_Annot::GetMinWidth() const {
return kMinWidth;
}
FX_FLOAT CPDFSDK_Annot::GetMinHeight() const {
return kMinHeight;
}
int CPDFSDK_Annot::GetLayoutOrder() const {
return 5;
}
CPDF_Annot* CPDFSDK_Annot::GetPDFAnnot() const {
return nullptr;
}
CFX_ByteString CPDFSDK_Annot::GetType() const {
return "";
}
CFX_ByteString CPDFSDK_Annot::GetSubType() const {
return "";
}
void CPDFSDK_Annot::SetRect(const CFX_FloatRect& rect) {}
CFX_FloatRect CPDFSDK_Annot::GetRect() const {
return CFX_FloatRect();
}
void CPDFSDK_Annot::Annot_OnDraw(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device,
CPDF_RenderOptions* pOptions) {}
FX_BOOL CPDFSDK_Annot::IsSelected() {
return m_bSelected;
}
void CPDFSDK_Annot::SetSelected(FX_BOOL bSelected) {
m_bSelected = bSelected;
}
UnderlyingPageType* CPDFSDK_Annot::GetUnderlyingPage() {
#ifdef PDF_ENABLE_XFA
return GetPDFXFAPage();
#else // PDF_ENABLE_XFA
return GetPDFPage();
#endif // PDF_ENABLE_XFA
}
CPDF_Page* CPDFSDK_Annot::GetPDFPage() {
return m_pPageView ? m_pPageView->GetPDFPage() : nullptr;
}
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