1 files changed, 101 insertions, 0 deletions
diff --git a/fpdfsdk/formfiller/cffl_button.cpp b/fpdfsdk/formfiller/cffl_button.cpp
new file mode 100644
index 0000000000..2a290ed213
--- /dev/null
+++ b/fpdfsdk/formfiller/cffl_button.cpp
@@ -0,0 +1,101 @@
+// Copyright 2017 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/formfiller/cffl_button.h"
+
+CFFL_Button::CFFL_Button(CPDFSDK_FormFillEnvironment* pApp,
+                         CPDFSDK_Widget* pWidget)
+    : CFFL_FormFiller(pApp, pWidget), m_bMouseIn(false), m_bMouseDown(false) {}
+
+CFFL_Button::~CFFL_Button() {}
+
+void CFFL_Button::OnMouseEnter(CPDFSDK_PageView* pPageView,
+                               CPDFSDK_Annot* pAnnot) {
+  m_bMouseIn = true;
+  InvalidateRect(GetViewBBox(pPageView, pAnnot));
+}
+
+void CFFL_Button::OnMouseExit(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot) {
+  m_bMouseIn = false;
+  InvalidateRect(GetViewBBox(pPageView, pAnnot));
+  EndTimer();
+  ASSERT(m_pWidget);
+}
+
+bool CFFL_Button::OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                CPDFSDK_Annot* pAnnot,
+                                uint32_t nFlags,
+                                const CFX_PointF& point) {
+  if (!pAnnot->GetRect().Contains(point))
+    return false;
+
+  m_bMouseDown = true;
+  m_bValid = true;
+  InvalidateRect(GetViewBBox(pPageView, pAnnot));
+  return true;
+}
+
+bool CFFL_Button::OnLButtonUp(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_PointF& point) {
+  if (!pAnnot->GetRect().Contains(point))
+    return false;
+
+  m_bMouseDown = false;
+  m_pWidget->GetPDFPage();
+  InvalidateRect(GetViewBBox(pPageView, pAnnot));
+  return true;
+}
+
+bool CFFL_Button::OnMouseMove(CPDFSDK_PageView* pPageView,
+                              CPDFSDK_Annot* pAnnot,
+                              uint32_t nFlags,
+                              const CFX_PointF& point) {
+  return true;
+}
+
+void CFFL_Button::OnDraw(CPDFSDK_PageView* pPageView,
+                         CPDFSDK_Annot* pAnnot,
+                         CFX_RenderDevice* pDevice,
+                         CFX_Matrix* pUser2Device) {
+  ASSERT(pPageView);
+  CPDFSDK_Widget* pWidget = static_cast<CPDFSDK_Widget*>(pAnnot);
+  CPDF_FormControl* pCtrl = pWidget->GetFormControl();
+  if (pCtrl->GetHighlightingMode() != CPDF_FormControl::Push) {
+    pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr);
+    return;
+  }
+  if (m_bMouseDown) {
+    if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Down)) {
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Down, nullptr);
+    } else {
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal,
+                              nullptr);
+    }
+    return;
+  }
+  if (m_bMouseIn) {
+    if (pWidget->IsWidgetAppearanceValid(CPDF_Annot::Rollover)) {
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Rollover,
+                              nullptr);
+    } else {
+      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal,
+                              nullptr);
+    }
+    return;
+  }
+
+  pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, nullptr);
+}
+
+void CFFL_Button::OnDrawDeactive(CPDFSDK_PageView* pPageView,
+                                 CPDFSDK_Annot* pAnnot,
+                                 CFX_RenderDevice* pDevice,
+                                 CFX_Matrix* pUser2Device) {
+  OnDraw(pPageView, pAnnot, pDevice, pUser2Device);
+}