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/fxfa/cxfa_ffpushbutton.h"
8
9 #include "third_party/base/check.h"
10 #include "v8/include/cppgc/visitor.h"
11 #include "xfa/fgas/graphics/cfgas_gecolor.h"
12 #include "xfa/fgas/graphics/cfgas_gepath.h"
13 #include "xfa/fwl/cfwl_notedriver.h"
14 #include "xfa/fwl/cfwl_pushbutton.h"
15 #include "xfa/fwl/cfwl_widgetmgr.h"
16 #include "xfa/fxfa/cxfa_ffapp.h"
17 #include "xfa/fxfa/cxfa_ffdoc.h"
18 #include "xfa/fxfa/cxfa_fffield.h"
19 #include "xfa/fxfa/cxfa_ffpageview.h"
20 #include "xfa/fxfa/cxfa_ffwidget.h"
21 #include "xfa/fxfa/cxfa_textlayout.h"
22 #include "xfa/fxfa/cxfa_textprovider.h"
23 #include "xfa/fxfa/parser/cxfa_border.h"
24 #include "xfa/fxfa/parser/cxfa_button.h"
25 #include "xfa/fxfa/parser/cxfa_caption.h"
26 #include "xfa/fxfa/parser/cxfa_edge.h"
27
CXFA_FFPushButton(CXFA_Node * pNode,CXFA_Button * button)28 CXFA_FFPushButton::CXFA_FFPushButton(CXFA_Node* pNode, CXFA_Button* button)
29 : CXFA_FFField(pNode), button_(button) {}
30
31 CXFA_FFPushButton::~CXFA_FFPushButton() = default;
32
Trace(cppgc::Visitor * visitor) const33 void CXFA_FFPushButton::Trace(cppgc::Visitor* visitor) const {
34 CXFA_FFField::Trace(visitor);
35 visitor->Trace(m_pRolloverTextLayout);
36 visitor->Trace(m_pDownTextLayout);
37 visitor->Trace(m_pRollProvider);
38 visitor->Trace(m_pDownProvider);
39 visitor->Trace(m_pOldDelegate);
40 visitor->Trace(button_);
41 }
42
RenderWidget(CFGAS_GEGraphics * pGS,const CFX_Matrix & matrix,HighlightOption highlight)43 void CXFA_FFPushButton::RenderWidget(CFGAS_GEGraphics* pGS,
44 const CFX_Matrix& matrix,
45 HighlightOption highlight) {
46 if (!HasVisibleStatus())
47 return;
48
49 CFX_Matrix mtRotate = GetRotateMatrix();
50 mtRotate.Concat(matrix);
51
52 CXFA_FFWidget::RenderWidget(pGS, mtRotate, highlight);
53 RenderHighlightCaption(pGS, &mtRotate);
54
55 CFX_RectF rtWidget = GetRectWithoutRotate();
56 CFX_Matrix mt(1, 0, 0, 1, rtWidget.left, rtWidget.top);
57 mt.Concat(mtRotate);
58 GetApp()->GetFWLWidgetMgr()->OnDrawWidget(GetNormalWidget(), pGS, mt);
59 }
60
LoadWidget()61 bool CXFA_FFPushButton::LoadWidget() {
62 DCHECK(!IsLoaded());
63
64 CFWL_PushButton* pPushButton = cppgc::MakeGarbageCollected<CFWL_PushButton>(
65 GetFWLApp()->GetHeap()->GetAllocationHandle(), GetFWLApp());
66 m_pOldDelegate = pPushButton->GetDelegate();
67 pPushButton->SetDelegate(this);
68 SetNormalWidget(pPushButton);
69 pPushButton->SetAdapterIface(this);
70
71 CFWL_NoteDriver* pNoteDriver = pPushButton->GetFWLApp()->GetNoteDriver();
72 pNoteDriver->RegisterEventTarget(pPushButton, pPushButton);
73
74 {
75 CFWL_Widget::ScopedUpdateLock update_lock(pPushButton);
76 UpdateWidgetProperty();
77 LoadHighlightCaption();
78 }
79
80 return CXFA_FFField::LoadWidget();
81 }
82
UpdateWidgetProperty()83 void CXFA_FFPushButton::UpdateWidgetProperty() {
84 uint32_t dwStyleEx = 0;
85 switch (button_->GetHighlight()) {
86 case XFA_AttributeValue::Inverted:
87 dwStyleEx = XFA_FWL_PSBSTYLEEXT_HiliteInverted;
88 break;
89 case XFA_AttributeValue::Outline:
90 dwStyleEx = XFA_FWL_PSBSTYLEEXT_HiliteOutLine;
91 break;
92 case XFA_AttributeValue::Push:
93 dwStyleEx = XFA_FWL_PSBSTYLEEXT_HilitePush;
94 break;
95 default:
96 break;
97 }
98 GetNormalWidget()->ModifyStylesEx(dwStyleEx, 0xFFFFFFFF);
99 }
100
PerformLayout()101 bool CXFA_FFPushButton::PerformLayout() {
102 CXFA_FFWidget::PerformLayout();
103 CFX_RectF rtWidget = GetRectWithoutRotate();
104
105 m_UIRect = rtWidget;
106 CXFA_Margin* margin = m_pNode->GetMarginIfExists();
107 XFA_RectWithoutMargin(&rtWidget, margin);
108
109 m_CaptionRect = rtWidget;
110
111 CXFA_Caption* caption = m_pNode->GetCaptionIfExists();
112 CXFA_Margin* captionMargin = caption ? caption->GetMarginIfExists() : nullptr;
113 XFA_RectWithoutMargin(&m_CaptionRect, captionMargin);
114
115 LayoutHighlightCaption();
116 SetFWLRect();
117 if (GetNormalWidget())
118 GetNormalWidget()->Update();
119
120 return true;
121 }
122
GetLineWidth()123 float CXFA_FFPushButton::GetLineWidth() {
124 CXFA_Border* border = m_pNode->GetBorderIfExists();
125 if (border && border->GetPresence() == XFA_AttributeValue::Visible) {
126 CXFA_Edge* edge = border->GetEdgeIfExists(0);
127 return edge ? edge->GetThickness() : 0;
128 }
129 return 0;
130 }
131
GetLineColor()132 FX_ARGB CXFA_FFPushButton::GetLineColor() {
133 return 0xFF000000;
134 }
135
GetFillColor()136 FX_ARGB CXFA_FFPushButton::GetFillColor() {
137 return 0xFFFFFFFF;
138 }
139
LoadHighlightCaption()140 void CXFA_FFPushButton::LoadHighlightCaption() {
141 CXFA_Caption* caption = m_pNode->GetCaptionIfExists();
142 if (!caption || caption->IsHidden())
143 return;
144
145 if (m_pNode->HasButtonRollover()) {
146 if (!m_pRollProvider) {
147 m_pRollProvider = cppgc::MakeGarbageCollected<CXFA_TextProvider>(
148 GetDoc()->GetHeap()->GetAllocationHandle(), m_pNode.Get(),
149 XFA_TEXTPROVIDERTYPE_Rollover);
150 }
151 m_pRolloverTextLayout = cppgc::MakeGarbageCollected<CXFA_TextLayout>(
152 GetDoc()->GetHeap()->GetAllocationHandle(), GetDoc(), m_pRollProvider);
153 }
154 if (m_pNode->HasButtonDown()) {
155 if (!m_pDownProvider) {
156 m_pDownProvider = cppgc::MakeGarbageCollected<CXFA_TextProvider>(
157 GetDoc()->GetHeap()->GetAllocationHandle(), m_pNode.Get(),
158 XFA_TEXTPROVIDERTYPE_Down);
159 }
160 m_pDownTextLayout = cppgc::MakeGarbageCollected<CXFA_TextLayout>(
161 GetDoc()->GetHeap()->GetAllocationHandle(), GetDoc(), m_pDownProvider);
162 }
163 }
164
LayoutHighlightCaption()165 void CXFA_FFPushButton::LayoutHighlightCaption() {
166 CFX_SizeF sz(m_CaptionRect.width, m_CaptionRect.height);
167 LayoutCaption();
168 if (m_pRolloverTextLayout)
169 m_pRolloverTextLayout->Layout(sz);
170 if (m_pDownTextLayout)
171 m_pDownTextLayout->Layout(sz);
172 }
173
RenderHighlightCaption(CFGAS_GEGraphics * pGS,CFX_Matrix * pMatrix)174 void CXFA_FFPushButton::RenderHighlightCaption(CFGAS_GEGraphics* pGS,
175 CFX_Matrix* pMatrix) {
176 CXFA_TextLayout* pCapTextLayout = m_pNode->GetCaptionTextLayout();
177 CXFA_Caption* caption = m_pNode->GetCaptionIfExists();
178 if (!caption || !caption->IsVisible())
179 return;
180
181 CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
182 CFX_RectF rtClip = m_CaptionRect;
183 rtClip.Intersect(GetRectWithoutRotate());
184 CFX_Matrix mt(1, 0, 0, 1, m_CaptionRect.left, m_CaptionRect.top);
185 if (pMatrix) {
186 rtClip = pMatrix->TransformRect(rtClip);
187 mt.Concat(*pMatrix);
188 }
189
190 uint32_t dwState = GetNormalWidget()->GetStates();
191 if (m_pDownTextLayout && (dwState & FWL_STATE_PSB_Pressed) &&
192 (dwState & FWL_STATE_PSB_Hovered)) {
193 if (m_pDownTextLayout->DrawString(pRenderDevice, mt, rtClip, 0))
194 return;
195 } else if (m_pRolloverTextLayout && (dwState & FWL_STATE_PSB_Hovered)) {
196 if (m_pRolloverTextLayout->DrawString(pRenderDevice, mt, rtClip, 0))
197 return;
198 }
199
200 if (pCapTextLayout)
201 pCapTextLayout->DrawString(pRenderDevice, mt, rtClip, 0);
202 }
203
OnProcessMessage(CFWL_Message * pMessage)204 void CXFA_FFPushButton::OnProcessMessage(CFWL_Message* pMessage) {
205 m_pOldDelegate->OnProcessMessage(pMessage);
206 }
207
OnProcessEvent(CFWL_Event * pEvent)208 void CXFA_FFPushButton::OnProcessEvent(CFWL_Event* pEvent) {
209 m_pOldDelegate->OnProcessEvent(pEvent);
210 CXFA_FFField::OnProcessEvent(pEvent);
211 }
212
OnDrawWidget(CFGAS_GEGraphics * pGraphics,const CFX_Matrix & matrix)213 void CXFA_FFPushButton::OnDrawWidget(CFGAS_GEGraphics* pGraphics,
214 const CFX_Matrix& matrix) {
215 auto* pWidget = GetNormalWidget();
216 if (pWidget->GetStylesEx() & XFA_FWL_PSBSTYLEEXT_HiliteInverted) {
217 if ((pWidget->GetStates() & FWL_STATE_PSB_Pressed) &&
218 (pWidget->GetStates() & FWL_STATE_PSB_Hovered)) {
219 CFX_RectF rtFill(0, 0, pWidget->GetWidgetRect().Size());
220 float fLineWith = GetLineWidth();
221 rtFill.Deflate(fLineWith, fLineWith);
222 CFGAS_GEPath path;
223 path.AddRectangle(rtFill.left, rtFill.top, rtFill.width, rtFill.height);
224 pGraphics->SetFillColor(CFGAS_GEColor(ArgbEncode(128, 128, 255, 255)));
225 pGraphics->FillPath(&path, CFX_FillRenderOptions::FillType::kWinding,
226 &matrix);
227 }
228 return;
229 }
230
231 if (pWidget->GetStylesEx() & XFA_FWL_PSBSTYLEEXT_HiliteOutLine) {
232 if ((pWidget->GetStates() & FWL_STATE_PSB_Pressed) &&
233 (pWidget->GetStates() & FWL_STATE_PSB_Hovered)) {
234 float fLineWidth = GetLineWidth();
235 pGraphics->SetStrokeColor(CFGAS_GEColor(ArgbEncode(255, 128, 255, 255)));
236 pGraphics->SetLineWidth(fLineWidth);
237
238 CFGAS_GEPath path;
239 CFX_RectF rect = pWidget->GetWidgetRect();
240 path.AddRectangle(0, 0, rect.width, rect.height);
241 pGraphics->StrokePath(&path, &matrix);
242 }
243 }
244 }
245
GetFormFieldType()246 FormFieldType CXFA_FFPushButton::GetFormFieldType() {
247 return FormFieldType::kXFA_PushButton;
248 }
249