Cleanup some xfa/fxfa code.

This CL moves the .h files to have names corresponding to the contained
classes. The .cpp files are moved alongside the .h files. Any extra
classes in the .h files have been split into their own files.

Change-Id: I14b4efc02417f0df946500e87b6c502e77020db8
Reviewed-on: https://pdfium-review.googlesource.com/3160
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 70 insertions, 0 deletions

diff --git a/xfa/fxfa/cxfa_rendercontext.cpp b/xfa/fxfa/cxfa_rendercontext.cpp
new file mode 100644
index 0000000000..ecb42918cb
--- /dev/null
+++ b/xfa/fxfa/cxfa_rendercontext.cpp
@@ -0,0 +1,70 @@
+// Copyright 2014 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 "xfa/fxfa/cxfa_rendercontext.h"
+
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxgraphics/cfx_graphics.h"
+
+namespace {
+
+const int32_t kMaxCount = 30;
+
+}  // namsepace
+
+CXFA_RenderContext::CXFA_RenderContext()
+    : m_pWidget(nullptr), m_pPageView(nullptr), m_pGS(nullptr), m_dwStatus(0) {
+  m_matrix.SetIdentity();
+  m_rtClipRect.Reset();
+}
+
+CXFA_RenderContext::~CXFA_RenderContext() {}
+
+int32_t CXFA_RenderContext::StartRender(CXFA_FFPageView* pPageView,
+                                        CFX_Graphics* pGS,
+                                        const CFX_Matrix& matrix,
+                                        const CXFA_RenderOptions& options) {
+  m_pPageView = pPageView;
+  m_pGS = pGS;
+  m_matrix = matrix;
+  m_options = options;
+
+  CFX_Matrix mtRes;
+  mtRes.SetReverse(matrix);
+  m_rtClipRect = pGS->GetClipRect();
+  mtRes.TransformRect(m_rtClipRect);
+  m_dwStatus = m_options.m_bHighlight ? XFA_WidgetStatus_Highlight : 0;
+  uint32_t dwFilterType = XFA_WidgetStatus_Visible |
+                          (m_options.m_bPrint ? XFA_WidgetStatus_Printable
+                                              : XFA_WidgetStatus_Viewable);
+  m_pWidgetIterator.reset(
+      m_pPageView->CreateWidgetIterator(XFA_TRAVERSEWAY_Form, dwFilterType));
+  m_pWidget = m_pWidgetIterator->MoveToNext();
+  return XFA_RENDERSTATUS_Ready;
+}
+
+int32_t CXFA_RenderContext::DoRender(IFX_Pause* pPause) {
+  int32_t iCount = 0;
+  while (m_pWidget) {
+    CXFA_FFWidget* pWidget = m_pWidget;
+    CFX_RectF rtWidgetBox = pWidget->GetBBox(XFA_WidgetStatus_Visible);
+    rtWidgetBox.width += 1;
+    rtWidgetBox.height += 1;
+    if (rtWidgetBox.IntersectWith(m_rtClipRect))
+      pWidget->RenderWidget(m_pGS, &m_matrix, m_dwStatus);
+
+    m_pWidget = m_pWidgetIterator->MoveToNext();
+    iCount++;
+    if (iCount > kMaxCount && pPause && pPause->NeedToPauseNow())
+      return XFA_RENDERSTATUS_ToBeContinued;
+  }
+  return XFA_RENDERSTATUS_Done;
+}
+
+void CXFA_RenderContext::StopRender() {
+  m_pWidgetIterator.reset();
+}