kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 1 | // Copyright 2014 The PDFium Authors |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | |
| 7 | #include "xfa/fxfa/cxfa_ffpageview.h" |
| 8 | |
| 9 | #include <algorithm> |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 10 | #include <vector> |
| 11 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 12 | #include "core/fxcrt/stl_util.h" |
| 13 | #include "fxjs/gc/container_trace.h" |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 14 | #include "fxjs/xfa/cjx_object.h" |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 15 | #include "third_party/base/check.h" |
| 16 | #include "third_party/base/containers/contains.h" |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 17 | #include "xfa/fxfa/cxfa_ffcheckbutton.h" |
| 18 | #include "xfa/fxfa/cxfa_ffdoc.h" |
| 19 | #include "xfa/fxfa/cxfa_ffdocview.h" |
| 20 | #include "xfa/fxfa/cxfa_fffield.h" |
| 21 | #include "xfa/fxfa/cxfa_ffimageedit.h" |
| 22 | #include "xfa/fxfa/cxfa_ffpushbutton.h" |
| 23 | #include "xfa/fxfa/cxfa_ffwidget.h" |
| 24 | #include "xfa/fxfa/cxfa_fwladapterwidgetmgr.h" |
| 25 | #include "xfa/fxfa/parser/cxfa_node.h" |
| 26 | #include "xfa/fxfa/parser/cxfa_traversal.h" |
| 27 | #include "xfa/fxfa/parser/cxfa_traverse.h" |
| 28 | |
| 29 | namespace { |
| 30 | |
| 31 | CFX_Matrix GetPageMatrix(const CFX_RectF& docPageRect, |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 32 | const FX_RECT& devicePageRect, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 33 | int32_t iRotate) { |
| 34 | DCHECK(iRotate >= 0); |
| 35 | DCHECK(iRotate <= 3); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 36 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 37 | CFX_Matrix m; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 38 | if (iRotate == 0 || iRotate == 2) { |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 39 | m.a *= (float)devicePageRect.Width() / docPageRect.width; |
| 40 | m.d *= (float)devicePageRect.Height() / docPageRect.height; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 41 | } else { |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 42 | m.a *= (float)devicePageRect.Height() / docPageRect.width; |
| 43 | m.d *= (float)devicePageRect.Width() / docPageRect.height; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 44 | } |
| 45 | m.Rotate(iRotate * 1.57079632675f); |
| 46 | switch (iRotate) { |
| 47 | case 0: |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 48 | m.e = devicePageRect.left; |
| 49 | m.f = devicePageRect.top; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 50 | break; |
| 51 | case 1: |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 52 | m.e = devicePageRect.right; |
| 53 | m.f = devicePageRect.top; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 54 | break; |
| 55 | case 2: |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 56 | m.e = devicePageRect.right; |
| 57 | m.f = devicePageRect.bottom; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 58 | break; |
| 59 | case 3: |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 60 | m.e = devicePageRect.left; |
| 61 | m.f = devicePageRect.bottom; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 62 | break; |
| 63 | default: |
| 64 | break; |
| 65 | } |
| 66 | return m; |
| 67 | } |
| 68 | |
| 69 | bool PageWidgetFilter(CXFA_FFWidget* pWidget, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 70 | Mask<XFA_WidgetStatus> dwFilter, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 71 | bool bTraversal, |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 72 | bool bIgnoreRelevant) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 73 | CXFA_Node* pNode = pWidget->GetNode(); |
| 74 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 75 | if ((dwFilter & XFA_WidgetStatus::kFocused) && |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 76 | (!pNode || pNode->GetElementType() != XFA_Element::Field)) { |
| 77 | return false; |
| 78 | } |
| 79 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 80 | CXFA_ContentLayoutItem* pItem = pWidget->GetLayoutItem(); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 81 | if (bTraversal && pItem->TestStatusBits(XFA_WidgetStatus::kDisabled)) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 82 | return false; |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 83 | if (bIgnoreRelevant) |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 84 | return pItem->TestStatusBits(XFA_WidgetStatus::kVisible); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 85 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 86 | dwFilter &= Mask<XFA_WidgetStatus>{XFA_WidgetStatus::kVisible, |
| 87 | XFA_WidgetStatus::kViewable, |
| 88 | XFA_WidgetStatus::kPrintable}; |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 89 | return pItem->TestStatusBits(dwFilter); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 90 | } |
| 91 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 92 | bool IsLayoutElement(XFA_Element eElement) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 93 | switch (eElement) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 94 | case XFA_Element::Area: |
| 95 | case XFA_Element::Subform: |
| 96 | case XFA_Element::ExclGroup: |
| 97 | case XFA_Element::SubformSet: |
| 98 | case XFA_Element::PageArea: |
| 99 | case XFA_Element::Form: |
| 100 | return true; |
| 101 | default: |
| 102 | return false; |
| 103 | } |
| 104 | } |
| 105 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 106 | CXFA_Document* GetDocForPageView(const CXFA_FFPageView* view) { |
| 107 | return view->GetDocView()->GetDoc()->GetXFADoc(); |
| 108 | } |
| 109 | |
| 110 | bool IsDocVersionBelow205(const CXFA_Document* doc) { |
| 111 | return doc->GetCurVersionMode() < XFA_VERSION_205; |
| 112 | } |
| 113 | |
| 114 | bool EnsureWidgetLoadedIfVisible(CXFA_FFWidget* pWidget) { |
| 115 | if (!pWidget->IsLoaded() && |
| 116 | pWidget->GetLayoutItem()->TestStatusBits(XFA_WidgetStatus::kVisible)) { |
| 117 | if (!pWidget->LoadWidget()) |
| 118 | return false; |
| 119 | } |
| 120 | return true; |
| 121 | } |
| 122 | |
| 123 | CXFA_FFWidget* LoadedWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem) { |
| 124 | CXFA_FFWidget* pWidget = CXFA_FFWidget::FromLayoutItem(pLayoutItem); |
| 125 | if (!pWidget) |
| 126 | return nullptr; |
| 127 | |
| 128 | EnsureWidgetLoadedIfVisible(pWidget); |
| 129 | return pWidget; |
| 130 | } |
| 131 | |
| 132 | CXFA_FFWidget* FilteredLoadedWidgetFromLayoutItem( |
| 133 | CXFA_LayoutItem* pLayoutItem, |
| 134 | Mask<XFA_WidgetStatus> dwFilter, |
| 135 | bool bIgnoreRelevant) { |
| 136 | CXFA_FFWidget* pWidget = CXFA_FFWidget::FromLayoutItem(pLayoutItem); |
| 137 | if (!pWidget) |
| 138 | return nullptr; |
| 139 | |
| 140 | if (!PageWidgetFilter(pWidget, dwFilter, false, bIgnoreRelevant)) |
| 141 | return nullptr; |
| 142 | |
| 143 | if (!EnsureWidgetLoadedIfVisible(pWidget)) |
| 144 | return nullptr; |
| 145 | |
| 146 | return pWidget; |
| 147 | } |
| 148 | |
| 149 | class CXFA_TabParam { |
| 150 | public: |
| 151 | CXFA_TabParam() = default; |
| 152 | explicit CXFA_TabParam(CXFA_FFWidget* pWidget) |
| 153 | : m_pItem(pWidget->GetLayoutItem()) {} |
| 154 | CXFA_TabParam(const CXFA_TabParam&) = delete; |
| 155 | CXFA_TabParam(CXFA_TabParam&&) noexcept = default; |
| 156 | ~CXFA_TabParam() = default; |
| 157 | |
| 158 | CXFA_TabParam& operator=(const CXFA_TabParam&) = delete; |
| 159 | CXFA_TabParam& operator=(CXFA_TabParam&&) noexcept = default; |
| 160 | |
| 161 | CXFA_FFWidget* GetWidget() const { return m_pItem->GetFFWidget(); } |
| 162 | const std::vector<cppgc::Persistent<CXFA_ContentLayoutItem>>& GetChildren() |
| 163 | const { |
| 164 | return m_Children; |
| 165 | } |
| 166 | void ClearChildren() { m_Children.clear(); } |
| 167 | void AppendTabParam(const CXFA_TabParam* pParam) { |
| 168 | m_Children.push_back(pParam->m_pItem); |
| 169 | m_Children.insert(m_Children.end(), pParam->m_Children.begin(), |
| 170 | pParam->m_Children.end()); |
| 171 | } |
| 172 | |
| 173 | private: |
| 174 | cppgc::Persistent<CXFA_ContentLayoutItem> m_pItem; |
| 175 | std::vector<cppgc::Persistent<CXFA_ContentLayoutItem>> m_Children; |
| 176 | }; |
| 177 | |
| 178 | void OrderContainer(CXFA_LayoutItemIterator* sIterator, |
| 179 | CXFA_LayoutItem* pViewItem, |
| 180 | CXFA_TabParam* pContainer, |
| 181 | bool* bCurrentItem, |
| 182 | bool* bContentArea, |
| 183 | bool bMasterPage) { |
| 184 | std::vector<CXFA_TabParam> tabParams; |
| 185 | CXFA_LayoutItem* pSearchItem = sIterator->MoveToNext(); |
| 186 | while (pSearchItem) { |
| 187 | if (!pSearchItem->IsContentLayoutItem()) { |
| 188 | *bContentArea = true; |
| 189 | pSearchItem = sIterator->MoveToNext(); |
| 190 | continue; |
| 191 | } |
| 192 | if (bMasterPage && *bContentArea) { |
| 193 | break; |
| 194 | } |
| 195 | if (bMasterPage || *bContentArea) { |
| 196 | CXFA_FFWidget* hWidget = LoadedWidgetFromLayoutItem(pSearchItem); |
| 197 | if (!hWidget) { |
| 198 | pSearchItem = sIterator->MoveToNext(); |
| 199 | continue; |
| 200 | } |
| 201 | if (pViewItem && (pSearchItem->GetParent() != pViewItem)) { |
| 202 | *bCurrentItem = true; |
| 203 | break; |
| 204 | } |
| 205 | tabParams.emplace_back(hWidget); |
| 206 | if (IsLayoutElement(pSearchItem->GetFormNode()->GetElementType())) { |
| 207 | OrderContainer(sIterator, pSearchItem, &tabParams.back(), bCurrentItem, |
| 208 | bContentArea, bMasterPage); |
| 209 | } |
| 210 | } |
| 211 | if (*bCurrentItem) { |
| 212 | pSearchItem = sIterator->GetCurrent(); |
| 213 | *bCurrentItem = false; |
| 214 | } else { |
| 215 | pSearchItem = sIterator->MoveToNext(); |
| 216 | } |
| 217 | } |
| 218 | std::sort(tabParams.begin(), tabParams.end(), |
| 219 | [](const CXFA_TabParam& arg1, const CXFA_TabParam& arg2) { |
| 220 | const CFX_RectF& rt1 = arg1.GetWidget()->GetWidgetRect(); |
| 221 | const CFX_RectF& rt2 = arg2.GetWidget()->GetWidgetRect(); |
| 222 | if (rt1.top - rt2.top >= kXFAWidgetPrecision) |
| 223 | return rt1.top < rt2.top; |
| 224 | return rt1.left < rt2.left; |
| 225 | }); |
| 226 | for (const auto& param : tabParams) |
| 227 | pContainer->AppendTabParam(¶m); |
| 228 | } |
| 229 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 230 | } // namespace |
| 231 | |
| 232 | CXFA_FFPageView::CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea) |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 233 | : m_pPageArea(pPageArea), m_pDocView(pDocView) {} |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 234 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 235 | CXFA_FFPageView::~CXFA_FFPageView() = default; |
| 236 | |
| 237 | void CXFA_FFPageView::Trace(cppgc::Visitor* visitor) const { |
| 238 | visitor->Trace(m_pPageArea); |
| 239 | visitor->Trace(m_pDocView); |
| 240 | visitor->Trace(m_pLayoutItem); |
| 241 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 242 | |
| 243 | CXFA_FFDocView* CXFA_FFPageView::GetDocView() const { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 244 | return m_pDocView; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | CFX_RectF CXFA_FFPageView::GetPageViewRect() const { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 248 | auto* pItem = GetLayoutItem(); |
| 249 | if (!pItem) |
| 250 | return CFX_RectF(); |
| 251 | |
| 252 | return CFX_RectF(0, 0, pItem->GetPageSize()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 253 | } |
| 254 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 255 | CFX_Matrix CXFA_FFPageView::GetDisplayMatrix(const FX_RECT& rtDisp, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 256 | int32_t iRotate) const { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 257 | auto* pItem = GetLayoutItem(); |
| 258 | if (!pItem) |
| 259 | return CFX_Matrix(); |
| 260 | |
| 261 | return GetPageMatrix(CFX_RectF(0, 0, pItem->GetPageSize()), rtDisp, iRotate); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 262 | } |
| 263 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 264 | CXFA_FFWidget::IteratorIface* CXFA_FFPageView::CreateGCedTraverseWidgetIterator( |
| 265 | Mask<XFA_WidgetStatus> dwWidgetFilter) { |
| 266 | return cppgc::MakeGarbageCollected<CXFA_FFTabOrderPageWidgetIterator>( |
| 267 | GetDocView()->GetDoc()->GetHeap()->GetAllocationHandle(), this, |
| 268 | dwWidgetFilter); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 269 | } |
| 270 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 271 | CXFA_FFPageWidgetIterator::CXFA_FFPageWidgetIterator( |
| 272 | CXFA_FFPageView* pPageView, |
| 273 | Mask<XFA_WidgetStatus> dwFilter) |
| 274 | : m_sIterator(pPageView->GetLayoutItem()), |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 275 | m_dwFilter(dwFilter), |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 276 | m_bIgnoreRelevant(IsDocVersionBelow205(GetDocForPageView(pPageView))) {} |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 277 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 278 | CXFA_FFPageWidgetIterator::~CXFA_FFPageWidgetIterator() = default; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 279 | |
| 280 | CXFA_FFWidget* CXFA_FFPageWidgetIterator::MoveToFirst() { |
| 281 | m_sIterator.Reset(); |
| 282 | for (CXFA_LayoutItem* pLayoutItem = m_sIterator.GetCurrent(); pLayoutItem; |
| 283 | pLayoutItem = m_sIterator.MoveToNext()) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 284 | CXFA_FFWidget* hWidget = FilteredLoadedWidgetFromLayoutItem( |
| 285 | pLayoutItem, m_dwFilter, m_bIgnoreRelevant); |
| 286 | if (hWidget) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 287 | return hWidget; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 288 | } |
| 289 | return nullptr; |
| 290 | } |
| 291 | |
| 292 | CXFA_FFWidget* CXFA_FFPageWidgetIterator::MoveToLast() { |
| 293 | m_sIterator.SetCurrent(nullptr); |
| 294 | return MoveToPrevious(); |
| 295 | } |
| 296 | |
| 297 | CXFA_FFWidget* CXFA_FFPageWidgetIterator::MoveToNext() { |
| 298 | for (CXFA_LayoutItem* pLayoutItem = m_sIterator.MoveToNext(); pLayoutItem; |
| 299 | pLayoutItem = m_sIterator.MoveToNext()) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 300 | CXFA_FFWidget* hWidget = FilteredLoadedWidgetFromLayoutItem( |
| 301 | pLayoutItem, m_dwFilter, m_bIgnoreRelevant); |
| 302 | if (hWidget) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 303 | return hWidget; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 304 | } |
| 305 | return nullptr; |
| 306 | } |
| 307 | |
| 308 | CXFA_FFWidget* CXFA_FFPageWidgetIterator::MoveToPrevious() { |
| 309 | for (CXFA_LayoutItem* pLayoutItem = m_sIterator.MoveToPrev(); pLayoutItem; |
| 310 | pLayoutItem = m_sIterator.MoveToPrev()) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 311 | CXFA_FFWidget* hWidget = FilteredLoadedWidgetFromLayoutItem( |
| 312 | pLayoutItem, m_dwFilter, m_bIgnoreRelevant); |
| 313 | if (hWidget) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 314 | return hWidget; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 315 | } |
| 316 | return nullptr; |
| 317 | } |
| 318 | |
| 319 | CXFA_FFWidget* CXFA_FFPageWidgetIterator::GetCurrentWidget() { |
| 320 | CXFA_LayoutItem* pLayoutItem = m_sIterator.GetCurrent(); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 321 | return pLayoutItem ? CXFA_FFWidget::FromLayoutItem(pLayoutItem) : nullptr; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 322 | } |
| 323 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 324 | bool CXFA_FFPageWidgetIterator::SetCurrentWidget(CXFA_FFWidget* pWidget) { |
| 325 | return pWidget && m_sIterator.SetCurrent(pWidget->GetLayoutItem()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 326 | } |
| 327 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 328 | CXFA_FFTabOrderPageWidgetIterator::CXFA_FFTabOrderPageWidgetIterator( |
| 329 | CXFA_FFPageView* pPageView, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 330 | Mask<XFA_WidgetStatus> dwFilter) |
| 331 | : m_pPageViewLayout(pPageView->GetLayoutItem()), |
| 332 | m_dwFilter(dwFilter), |
| 333 | m_bIgnoreRelevant(IsDocVersionBelow205(GetDocForPageView(pPageView))) { |
| 334 | CreateTabOrderWidgetArray(); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 335 | } |
| 336 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 337 | CXFA_FFTabOrderPageWidgetIterator::~CXFA_FFTabOrderPageWidgetIterator() = |
| 338 | default; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 339 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 340 | void CXFA_FFTabOrderPageWidgetIterator::Trace(cppgc::Visitor* visitor) const { |
| 341 | visitor->Trace(m_pPageViewLayout); |
| 342 | ContainerTrace(visitor, m_TabOrderWidgetArray); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::MoveToFirst() { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 346 | for (int32_t i = 0; i < fxcrt::CollectionSize<int32_t>(m_TabOrderWidgetArray); |
| 347 | i++) { |
| 348 | if (PageWidgetFilter(m_TabOrderWidgetArray[i]->GetFFWidget(), m_dwFilter, |
| 349 | true, m_bIgnoreRelevant)) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 350 | m_iCurWidget = i; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 351 | return m_TabOrderWidgetArray[m_iCurWidget]->GetFFWidget(); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 352 | } |
| 353 | } |
| 354 | return nullptr; |
| 355 | } |
| 356 | |
| 357 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::MoveToLast() { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 358 | for (int32_t i = fxcrt::CollectionSize<int32_t>(m_TabOrderWidgetArray) - 1; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 359 | i >= 0; i--) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 360 | if (PageWidgetFilter(m_TabOrderWidgetArray[i]->GetFFWidget(), m_dwFilter, |
| 361 | true, m_bIgnoreRelevant)) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 362 | m_iCurWidget = i; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 363 | return m_TabOrderWidgetArray[m_iCurWidget]->GetFFWidget(); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 364 | } |
| 365 | } |
| 366 | return nullptr; |
| 367 | } |
| 368 | |
| 369 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::MoveToNext() { |
| 370 | for (int32_t i = m_iCurWidget + 1; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 371 | i < fxcrt::CollectionSize<int32_t>(m_TabOrderWidgetArray); i++) { |
| 372 | if (PageWidgetFilter(m_TabOrderWidgetArray[i]->GetFFWidget(), m_dwFilter, |
| 373 | true, m_bIgnoreRelevant)) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 374 | m_iCurWidget = i; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 375 | return m_TabOrderWidgetArray[m_iCurWidget]->GetFFWidget(); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 376 | } |
| 377 | } |
| 378 | m_iCurWidget = -1; |
| 379 | return nullptr; |
| 380 | } |
| 381 | |
| 382 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::MoveToPrevious() { |
| 383 | for (int32_t i = m_iCurWidget - 1; i >= 0; i--) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 384 | if (PageWidgetFilter(m_TabOrderWidgetArray[i]->GetFFWidget(), m_dwFilter, |
| 385 | true, m_bIgnoreRelevant)) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 386 | m_iCurWidget = i; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 387 | return m_TabOrderWidgetArray[m_iCurWidget]->GetFFWidget(); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 388 | } |
| 389 | } |
| 390 | m_iCurWidget = -1; |
| 391 | return nullptr; |
| 392 | } |
| 393 | |
| 394 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::GetCurrentWidget() { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 395 | return m_iCurWidget >= 0 ? m_TabOrderWidgetArray[m_iCurWidget]->GetFFWidget() |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 396 | : nullptr; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | bool CXFA_FFTabOrderPageWidgetIterator::SetCurrentWidget( |
| 400 | CXFA_FFWidget* hWidget) { |
| 401 | auto it = std::find(m_TabOrderWidgetArray.begin(), |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 402 | m_TabOrderWidgetArray.end(), hWidget->GetLayoutItem()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 403 | if (it == m_TabOrderWidgetArray.end()) |
| 404 | return false; |
| 405 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 406 | m_iCurWidget = |
| 407 | pdfium::base::checked_cast<int32_t>(it - m_TabOrderWidgetArray.begin()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 408 | return true; |
| 409 | } |
| 410 | |
| 411 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::GetTraverseWidget( |
| 412 | CXFA_FFWidget* pWidget) { |
| 413 | CXFA_Traversal* pTraversal = pWidget->GetNode()->GetChild<CXFA_Traversal>( |
| 414 | 0, XFA_Element::Traversal, false); |
| 415 | if (pTraversal) { |
| 416 | CXFA_Traverse* pTraverse = |
| 417 | pTraversal->GetChild<CXFA_Traverse>(0, XFA_Element::Traverse, false); |
| 418 | if (pTraverse) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 419 | absl::optional<WideString> traverseWidgetName = |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 420 | pTraverse->JSObject()->TryAttribute(XFA_Attribute::Ref, true); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 421 | if (traverseWidgetName.has_value()) |
| 422 | return FindWidgetByName(traverseWidgetName.value(), pWidget); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 423 | } |
| 424 | } |
| 425 | return nullptr; |
| 426 | } |
| 427 | CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::FindWidgetByName( |
| 428 | const WideString& wsWidgetName, |
| 429 | CXFA_FFWidget* pRefWidget) { |
| 430 | return pRefWidget->GetDocView()->GetWidgetByName(wsWidgetName, pRefWidget); |
| 431 | } |
| 432 | |
| 433 | void CXFA_FFTabOrderPageWidgetIterator::CreateTabOrderWidgetArray() { |
| 434 | m_TabOrderWidgetArray.clear(); |
| 435 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 436 | const std::vector<CXFA_ContentLayoutItem*> items = |
| 437 | CreateSpaceOrderLayoutItems(); |
| 438 | if (items.empty()) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 439 | return; |
| 440 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 441 | CXFA_ContentLayoutItem* item = items[0]; |
| 442 | while (m_TabOrderWidgetArray.size() < items.size()) { |
| 443 | if (!pdfium::Contains(m_TabOrderWidgetArray, item)) { |
| 444 | m_TabOrderWidgetArray.emplace_back(item); |
| 445 | CXFA_Node* node = item->GetFFWidget()->GetNode(); |
| 446 | if (node->GetFFWidgetType() == XFA_FFWidgetType::kExclGroup) { |
| 447 | auto it = std::find(items.begin(), items.end(), item); |
| 448 | size_t index = it != items.end() ? it - items.begin() + 1 : 0; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 449 | while (true) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 450 | CXFA_FFWidget* radio = items[index % items.size()]->GetFFWidget(); |
| 451 | if (radio->GetNode()->GetExclGroupIfExists() != node) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 452 | break; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 453 | if (!pdfium::Contains(m_TabOrderWidgetArray, item)) |
| 454 | m_TabOrderWidgetArray.emplace_back(radio->GetLayoutItem()); |
| 455 | ++index; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 456 | } |
| 457 | } |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 458 | CXFA_FFWidget* next_widget = GetTraverseWidget(item->GetFFWidget()); |
| 459 | if (next_widget) { |
| 460 | item = next_widget->GetLayoutItem(); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 461 | continue; |
| 462 | } |
| 463 | } |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 464 | auto it = std::find(items.begin(), items.end(), item); |
| 465 | size_t index = it != items.end() ? it - items.begin() + 1 : 0; |
| 466 | item = items[index % items.size()]; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 467 | } |
| 468 | } |
| 469 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 470 | std::vector<CXFA_ContentLayoutItem*> |
| 471 | CXFA_FFTabOrderPageWidgetIterator::CreateSpaceOrderLayoutItems() { |
| 472 | std::vector<CXFA_ContentLayoutItem*> items; |
| 473 | CXFA_LayoutItemIterator sIterator(m_pPageViewLayout.Get()); |
| 474 | CXFA_TabParam tabparam; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 475 | bool bCurrentItem = false; |
| 476 | bool bContentArea = false; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 477 | OrderContainer(&sIterator, nullptr, &tabparam, &bCurrentItem, &bContentArea, |
| 478 | false); |
| 479 | items.reserve(tabparam.GetChildren().size()); |
| 480 | for (const auto& layout_item : tabparam.GetChildren()) |
| 481 | items.push_back(layout_item); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 482 | |
| 483 | sIterator.Reset(); |
| 484 | bCurrentItem = false; |
| 485 | bContentArea = false; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 486 | tabparam.ClearChildren(); |
| 487 | OrderContainer(&sIterator, nullptr, &tabparam, &bCurrentItem, &bContentArea, |
| 488 | true); |
| 489 | for (const auto& layout_item : tabparam.GetChildren()) |
| 490 | items.push_back(layout_item); |
| 491 | |
| 492 | return items; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 493 | } |