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Side by Side Diff: xfa/src/fxfa/app/xfa_ffpageview.cpp

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved.
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/src/fxfa/app/xfa_ffpageview.h"
8
9 #include "xfa/src/fde/fde_render.h"
10 #include "xfa/src/fxfa/app/xfa_ffcheckbutton.h"
11 #include "xfa/src/fxfa/app/xfa_ffchoicelist.h"
12 #include "xfa/src/fxfa/app/xfa_ffdoc.h"
13 #include "xfa/src/fxfa/app/xfa_ffdocview.h"
14 #include "xfa/src/fxfa/app/xfa_fffield.h"
15 #include "xfa/src/fxfa/app/xfa_ffimageedit.h"
16 #include "xfa/src/fxfa/app/xfa_ffpushbutton.h"
17 #include "xfa/src/fxfa/app/xfa_fftextedit.h"
18 #include "xfa/src/fxfa/app/xfa_ffwidget.h"
19 #include "xfa/src/fxfa/app/xfa_fwladapter.h"
20
21 CXFA_FFPageView::CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea)
22 : CXFA_ContainerLayoutItem(pPageArea),
23 m_pDocView(pDocView),
24 m_bLoaded(FALSE) {}
25 CXFA_FFPageView::~CXFA_FFPageView() {}
26 IXFA_DocView* CXFA_FFPageView::GetDocView() {
27 return m_pDocView;
28 }
29 int32_t CXFA_FFPageView::GetPageViewIndex() {
30 return GetPageIndex();
31 }
32 void CXFA_FFPageView::GetPageViewRect(CFX_RectF& rtPage) {
33 CFX_SizeF sz;
34 GetPageSize(sz);
35 rtPage.Set(0, 0, sz);
36 }
37 void CXFA_FFPageView::GetDisplayMatrix(CFX_Matrix& mt,
38 const CFX_Rect& rtDisp,
39 int32_t iRotate) {
40 CFX_SizeF sz;
41 GetPageSize(sz);
42 CFX_RectF fdePage;
43 fdePage.Set(0, 0, sz.x, sz.y);
44 FDE_GetPageMatrix(mt, fdePage, rtDisp, iRotate, 0);
45 }
46 int32_t CXFA_FFPageView::LoadPageView(IFX_Pause* pPause) {
47 if (m_bLoaded) {
48 return 100;
49 }
50 m_bLoaded = TRUE;
51 return 100;
52 }
53 void CXFA_FFPageView::UnloadPageView() {
54 if (!m_bLoaded) {
55 return;
56 }
57 }
58 FX_BOOL CXFA_FFPageView::IsPageViewLoaded() {
59 return m_bLoaded;
60 }
61 IXFA_Widget* CXFA_FFPageView::GetWidgetByPos(FX_FLOAT fx, FX_FLOAT fy) {
62 if (!m_bLoaded) {
63 return nullptr;
64 }
65 IXFA_WidgetIterator* pIterator = CreateWidgetIterator();
66 CXFA_FFWidget* pWidget = nullptr;
67 while ((pWidget = static_cast<CXFA_FFWidget*>(pIterator->MoveToNext()))) {
68 if (!(pWidget->GetStatus() & XFA_WIDGETSTATUS_Visible)) {
69 continue;
70 }
71 CXFA_WidgetAcc* pAcc = pWidget->GetDataAcc();
72 int32_t type = pAcc->GetClassID();
73 if (type != XFA_ELEMENT_Field && type != XFA_ELEMENT_Draw) {
74 continue;
75 }
76 FX_FLOAT fWidgetx = fx;
77 FX_FLOAT fWidgety = fy;
78 pWidget->Rotate2Normal(fWidgetx, fWidgety);
79 FX_DWORD dwFlag = pWidget->OnHitTest(fWidgetx, fWidgety);
80 if ((FWL_WGTHITTEST_Client == dwFlag ||
81 FWL_WGTHITTEST_HyperLink == dwFlag)) {
82 break;
83 }
84 }
85 pIterator->Release();
86 return pWidget;
87 }
88 IXFA_WidgetIterator* CXFA_FFPageView::CreateWidgetIterator(
89 FX_DWORD dwTraverseWay,
90 FX_DWORD dwWidgetFilter) {
91 switch (dwTraverseWay) {
92 case XFA_TRAVERSEWAY_Tranvalse:
93 return new CXFA_FFTabOrderPageWidgetIterator(this, dwWidgetFilter);
94 case XFA_TRAVERSEWAY_Form:
95 return new CXFA_FFPageWidgetIterator(this, dwWidgetFilter);
96 }
97 return NULL;
98 }
99 static FX_BOOL XFA_PageWidgetFilter(CXFA_FFWidget* pWidget,
100 FX_DWORD dwFilter,
101 FX_BOOL bTraversal,
102 FX_BOOL bIgnorerelevant) {
103 CXFA_WidgetAcc* pWidgetAcc = pWidget->GetDataAcc();
104 FX_DWORD dwType = dwFilter & XFA_WIDGETFILTER_AllType;
105 if ((dwType == XFA_WIDGETFILTER_Field) &&
106 (pWidgetAcc->GetClassID() != XFA_ELEMENT_Field)) {
107 return FALSE;
108 }
109 FX_DWORD dwStatus = pWidget->GetStatus();
110 if (bTraversal && (dwStatus & XFA_WIDGETSTATUS_Disabled)) {
111 return FALSE;
112 }
113 if (bIgnorerelevant) {
114 return (dwStatus & XFA_WIDGETFILTER_Visible) != 0;
115 }
116 dwFilter &= (XFA_WIDGETFILTER_Visible | XFA_WIDGETFILTER_Viewable |
117 XFA_WIDGETFILTER_Printable);
118 return (dwFilter & dwStatus) == dwFilter;
119 }
120 CXFA_FFPageWidgetIterator::CXFA_FFPageWidgetIterator(CXFA_FFPageView* pPageView,
121 FX_DWORD dwFilter) {
122 m_pPageView = pPageView;
123 m_dwFilter = dwFilter;
124 m_sIterator.Init(pPageView);
125 m_bIgnorerelevant = ((CXFA_FFDoc*)m_pPageView->GetDocView()->GetDoc())
126 ->GetXFADoc()
127 ->GetCurVersionMode() < XFA_VERSION_205;
128 }
129 CXFA_FFPageWidgetIterator::~CXFA_FFPageWidgetIterator() {}
130 void CXFA_FFPageWidgetIterator::Reset() {
131 m_sIterator.Reset();
132 }
133 IXFA_Widget* CXFA_FFPageWidgetIterator::MoveToFirst() {
134 m_sIterator.Reset();
135 for (CXFA_LayoutItem* pLayoutItem = m_sIterator.GetCurrent(); pLayoutItem;
136 pLayoutItem = m_sIterator.MoveToNext()) {
137 if (IXFA_Widget* hWidget = GetWidget(pLayoutItem)) {
138 return hWidget;
139 }
140 }
141 return NULL;
142 }
143 IXFA_Widget* CXFA_FFPageWidgetIterator::MoveToLast() {
144 m_sIterator.SetCurrent(NULL);
145 return MoveToPrevious();
146 }
147 IXFA_Widget* CXFA_FFPageWidgetIterator::MoveToNext() {
148 for (CXFA_LayoutItem* pLayoutItem = m_sIterator.MoveToNext(); pLayoutItem;
149 pLayoutItem = m_sIterator.MoveToNext()) {
150 if (IXFA_Widget* hWidget = GetWidget(pLayoutItem)) {
151 return hWidget;
152 }
153 }
154 return NULL;
155 }
156 IXFA_Widget* CXFA_FFPageWidgetIterator::MoveToPrevious() {
157 for (CXFA_LayoutItem* pLayoutItem = m_sIterator.MoveToPrev(); pLayoutItem;
158 pLayoutItem = m_sIterator.MoveToPrev()) {
159 if (IXFA_Widget* hWidget = GetWidget(pLayoutItem)) {
160 return hWidget;
161 }
162 }
163 return NULL;
164 }
165 IXFA_Widget* CXFA_FFPageWidgetIterator::GetCurrentWidget() {
166 CXFA_LayoutItem* pLayoutItem = m_sIterator.GetCurrent();
167 return pLayoutItem ? XFA_GetWidgetFromLayoutItem(pLayoutItem) : NULL;
168 }
169 FX_BOOL CXFA_FFPageWidgetIterator::SetCurrentWidget(IXFA_Widget* hWidget) {
170 CXFA_FFWidget* pWidget = static_cast<CXFA_FFWidget*>(hWidget);
171 return pWidget && m_sIterator.SetCurrent(pWidget);
172 }
173 IXFA_Widget* CXFA_FFPageWidgetIterator::GetWidget(
174 CXFA_LayoutItem* pLayoutItem) {
175 if (CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pLayoutItem)) {
176 if (!XFA_PageWidgetFilter(pWidget, m_dwFilter, FALSE, m_bIgnorerelevant)) {
177 return NULL;
178 }
179 if (!pWidget->IsLoaded() &&
180 (pWidget->GetStatus() & XFA_WIDGETSTATUS_Visible) != 0) {
181 pWidget->LoadWidget();
182 }
183 return pWidget;
184 }
185 return NULL;
186 }
187 CXFA_FFTabOrderPageWidgetIterator::CXFA_FFTabOrderPageWidgetIterator(
188 CXFA_FFPageView* pPageView,
189 FX_DWORD dwFilter)
190 : m_pPageView(pPageView), m_dwFilter(dwFilter), m_iCurWidget(-1) {
191 m_bIgnorerelevant = ((CXFA_FFDoc*)m_pPageView->GetDocView()->GetDoc())
192 ->GetXFADoc()
193 ->GetCurVersionMode() < XFA_VERSION_205;
194 Reset();
195 }
196 CXFA_FFTabOrderPageWidgetIterator::~CXFA_FFTabOrderPageWidgetIterator() {}
197 void CXFA_FFTabOrderPageWidgetIterator::Release() {
198 delete this;
199 }
200 void CXFA_FFTabOrderPageWidgetIterator::Reset() {
201 CreateTabOrderWidgetArray();
202 m_iCurWidget = -1;
203 }
204 IXFA_Widget* CXFA_FFTabOrderPageWidgetIterator::MoveToFirst() {
205 if (m_TabOrderWidgetArray.GetSize() > 0) {
206 for (int32_t i = 0; i < m_TabOrderWidgetArray.GetSize(); i++) {
207 if (XFA_PageWidgetFilter(m_TabOrderWidgetArray[i], m_dwFilter, TRUE,
208 m_bIgnorerelevant)) {
209 m_iCurWidget = i;
210 return m_TabOrderWidgetArray[m_iCurWidget];
211 }
212 }
213 }
214 return NULL;
215 }
216 IXFA_Widget* CXFA_FFTabOrderPageWidgetIterator::MoveToLast() {
217 if (m_TabOrderWidgetArray.GetSize() > 0) {
218 for (int32_t i = m_TabOrderWidgetArray.GetSize() - 1; i >= 0; i--) {
219 if (XFA_PageWidgetFilter(m_TabOrderWidgetArray[i], m_dwFilter, TRUE,
220 m_bIgnorerelevant)) {
221 m_iCurWidget = i;
222 return m_TabOrderWidgetArray[m_iCurWidget];
223 }
224 }
225 }
226 return NULL;
227 }
228 IXFA_Widget* CXFA_FFTabOrderPageWidgetIterator::MoveToNext() {
229 for (int32_t i = m_iCurWidget + 1; i < m_TabOrderWidgetArray.GetSize(); i++) {
230 if (XFA_PageWidgetFilter(m_TabOrderWidgetArray[i], m_dwFilter, TRUE,
231 m_bIgnorerelevant)) {
232 m_iCurWidget = i;
233 return m_TabOrderWidgetArray[m_iCurWidget];
234 }
235 }
236 m_iCurWidget = -1;
237 return NULL;
238 }
239 IXFA_Widget* CXFA_FFTabOrderPageWidgetIterator::MoveToPrevious() {
240 for (int32_t i = m_iCurWidget - 1; i >= 0; i--) {
241 if (XFA_PageWidgetFilter(m_TabOrderWidgetArray[i], m_dwFilter, TRUE,
242 m_bIgnorerelevant)) {
243 m_iCurWidget = i;
244 return m_TabOrderWidgetArray[m_iCurWidget];
245 }
246 }
247 m_iCurWidget = -1;
248 return NULL;
249 }
250 IXFA_Widget* CXFA_FFTabOrderPageWidgetIterator::GetCurrentWidget() {
251 if (m_iCurWidget >= 0) {
252 return m_TabOrderWidgetArray[m_iCurWidget];
253 }
254 return NULL;
255 }
256 FX_BOOL CXFA_FFTabOrderPageWidgetIterator::SetCurrentWidget(
257 IXFA_Widget* hWidget) {
258 int32_t iWidgetIndex =
259 m_TabOrderWidgetArray.Find(static_cast<CXFA_FFWidget*>(hWidget));
260 if (iWidgetIndex >= 0) {
261 m_iCurWidget = iWidgetIndex;
262 return TRUE;
263 }
264 return FALSE;
265 }
266 CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::GetTraverseWidget(
267 CXFA_FFWidget* pWidget) {
268 CXFA_WidgetAcc* pAcc = pWidget->GetDataAcc();
269 CXFA_Node* pTraversal = pAcc->GetNode()->GetChild(0, XFA_ELEMENT_Traversal);
270 if (pTraversal) {
271 CXFA_Node* pTraverse = pTraversal->GetChild(0, XFA_ELEMENT_Traverse);
272 if (pTraverse) {
273 CFX_WideString wsTraverseWidgetName;
274 if (pTraverse->GetAttribute(XFA_ATTRIBUTE_Ref, wsTraverseWidgetName)) {
275 return FindWidgetByName(wsTraverseWidgetName, pWidget);
276 }
277 }
278 }
279 return NULL;
280 }
281 CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::FindWidgetByName(
282 const CFX_WideStringC& wsWidgetName,
283 CXFA_FFWidget* pRefWidget) {
284 return pRefWidget->GetDocView()->GetWidgetByName(wsWidgetName, pRefWidget);
285 }
286 void CXFA_FFTabOrderPageWidgetIterator::CreateTabOrderWidgetArray() {
287 m_TabOrderWidgetArray.RemoveAll();
288 CXFA_WidgetArray SpaceOrderWidgetArray;
289 CreateSpaceOrderWidgetArray(SpaceOrderWidgetArray);
290 int32_t nWidgetCount = SpaceOrderWidgetArray.GetSize();
291 if (nWidgetCount < 1) {
292 return;
293 }
294 CXFA_FFWidget* hWidget = SpaceOrderWidgetArray[0];
295 for (; m_TabOrderWidgetArray.GetSize() < nWidgetCount;) {
296 if (m_TabOrderWidgetArray.Find(hWidget) < 0) {
297 m_TabOrderWidgetArray.Add(hWidget);
298 CXFA_WidgetAcc* pWidgetAcc = hWidget->GetDataAcc();
299 if (pWidgetAcc->GetUIType() == XFA_ELEMENT_ExclGroup) {
300 int32_t iWidgetIndex = SpaceOrderWidgetArray.Find(hWidget) + 1;
301 while (TRUE) {
302 CXFA_FFWidget* pRadio =
303 SpaceOrderWidgetArray[(iWidgetIndex) % nWidgetCount];
304 if (pRadio->GetDataAcc()->GetExclGroup() != pWidgetAcc) {
305 break;
306 }
307 if (m_TabOrderWidgetArray.Find(hWidget) < 0) {
308 m_TabOrderWidgetArray.Add(pRadio);
309 }
310 iWidgetIndex++;
311 }
312 }
313 if (CXFA_FFWidget* hTraverseWidget = GetTraverseWidget(hWidget)) {
314 hWidget = hTraverseWidget;
315 continue;
316 }
317 }
318 int32_t iWidgetIndex = SpaceOrderWidgetArray.Find(hWidget);
319 hWidget = SpaceOrderWidgetArray[(iWidgetIndex + 1) % nWidgetCount];
320 }
321 }
322 static int32_t XFA_TabOrderWidgetComparator(const void* phWidget1,
323 const void* phWidget2) {
324 CXFA_FFWidget* pWidget1 = (*(CXFA_TabParam**)phWidget1)->m_pWidget;
325 CXFA_FFWidget* pWidget2 = (*(CXFA_TabParam**)phWidget2)->m_pWidget;
326 CFX_RectF rt1, rt2;
327 pWidget1->GetWidgetRect(rt1);
328 pWidget2->GetWidgetRect(rt2);
329 FX_FLOAT x1 = rt1.left, y1 = rt1.top, x2 = rt2.left, y2 = rt2.top;
330 if (y1 < y2 || (y1 - y2 < XFA_FLOAT_PERCISION && x1 < x2)) {
331 return -1;
332 }
333 return 1;
334 }
335 void CXFA_FFTabOrderPageWidgetIterator::OrderContainer(
336 CXFA_LayoutItemIterator* sIterator,
337 CXFA_LayoutItem* pContainerItem,
338 CXFA_TabParam* pContainer,
339 FX_BOOL& bCurrentItem,
340 FX_BOOL& bContentArea,
341 FX_BOOL bMarsterPage) {
342 CFX_PtrArray tabParams;
343 CXFA_LayoutItem* pSearchItem = sIterator->MoveToNext();
344 while (pSearchItem) {
345 if (!pSearchItem->IsContentLayoutItem()) {
346 bContentArea = TRUE;
347 pSearchItem = sIterator->MoveToNext();
348 continue;
349 }
350 if (bMarsterPage && bContentArea) {
351 break;
352 }
353 if (bMarsterPage || bContentArea) {
354 CXFA_FFWidget* hWidget = GetWidget(pSearchItem);
355 if (!hWidget) {
356 pSearchItem = sIterator->MoveToNext();
357 continue;
358 }
359 if (pContainerItem && (pSearchItem->GetParent() != pContainerItem)) {
360 bCurrentItem = TRUE;
361 break;
362 }
363 CXFA_TabParam* pParam = new CXFA_TabParam;
364 pParam->m_pWidget = hWidget;
365 tabParams.Add(pParam);
366 if (XFA_IsLayoutElement(pSearchItem->GetFormNode()->GetClassID(), TRUE)) {
367 OrderContainer(sIterator, pSearchItem, pParam, bCurrentItem,
368 bContentArea, bMarsterPage);
369 }
370 }
371 if (bCurrentItem) {
372 pSearchItem = sIterator->GetCurrent();
373 bCurrentItem = FALSE;
374 } else {
375 pSearchItem = sIterator->MoveToNext();
376 }
377 }
378 int32_t iChildren = tabParams.GetSize();
379 if (iChildren > 1) {
380 FXSYS_qsort(tabParams.GetData(), iChildren, sizeof(void*),
381 XFA_TabOrderWidgetComparator);
382 }
383 for (int32_t iStart = 0; iStart < iChildren; iStart++) {
384 CXFA_TabParam* pParam = (CXFA_TabParam*)tabParams[iStart];
385 pContainer->m_Children.Add(pParam->m_pWidget);
386 if (pParam->m_Children.GetSize() > 0) {
387 pContainer->m_Children.Append(pParam->m_Children);
388 }
389 delete pParam;
390 }
391 tabParams.RemoveAll();
392 }
393 void CXFA_FFTabOrderPageWidgetIterator::CreateSpaceOrderWidgetArray(
394 CXFA_WidgetArray& WidgetArray) {
395 CXFA_LayoutItemIterator sIterator;
396 sIterator.Init(m_pPageView);
397 CXFA_TabParam* pParam = new CXFA_TabParam;
398 FX_BOOL bCurrentItem = FALSE;
399 FX_BOOL bContentArea = FALSE;
400 OrderContainer(&sIterator, NULL, pParam, bCurrentItem, bContentArea);
401 if (pParam->m_Children.GetSize() > 0) {
402 WidgetArray.Append(pParam->m_Children);
403 }
404 sIterator.Reset();
405 bCurrentItem = FALSE;
406 bContentArea = FALSE;
407 pParam->m_Children.RemoveAll();
408 OrderContainer(&sIterator, NULL, pParam, bCurrentItem, bContentArea, TRUE);
409 if (pParam->m_Children.GetSize() > 0) {
410 WidgetArray.Append(pParam->m_Children);
411 }
412 delete pParam;
413 }
414 CXFA_FFWidget* CXFA_FFTabOrderPageWidgetIterator::GetWidget(
415 CXFA_LayoutItem* pLayoutItem) {
416 if (CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pLayoutItem)) {
417 if (!pWidget->IsLoaded() &&
418 (pWidget->GetStatus() & XFA_WIDGETSTATUS_Visible)) {
419 pWidget->LoadWidget();
420 }
421 return pWidget;
422 }
423 return NULL;
424 }
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