modules/javafx.web/src/main/native/Source/WebCore/platform/java/ScrollbarThemeJava.cpp

rev 10218 : 8132675: VBox.setVgrow and HBox.setHgrow corrupt following controls when window resized
rev 10208 : 8166999: Update to newer version of WebKit
Summary: Merge with WebKit trunk r197500
Reviewed-by: ghb, arajkumar, asrivastava
Contributed-by: a.ankit.srivastava@oracle.com, arunprasad.rajkumar@oracle.com, guru.hb@oracle.com, murali.billa@oracle.com
rev 10087 : 8164177: Update copyright header for files modified in 2016
Reviewed-by: ckyang
rev 9951 : 8161705: Rename directories under modules to exactly match the module names
Reviewed-by: kcr, vadim

*** 68,77 ****
--- 68,78 ----
  {
      // platformContext() returns 0 when printing
      if (gc.paintingDisabled() || !gc.platformContext()) {
          return true;
      }
+ 
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return false;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
*** 108,139 ****
      return false;
  }
  
  ScrollbarPart ScrollbarThemeJava::hitTest(Scrollbar& scrollbar, const IntPoint& pos)
  {
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return (ScrollbarPart)0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "hitTest",
!         "(IIIIIIII)I");
      ASSERT(mid);
  
      IntPoint p = scrollbar.convertFromContainingWindow(pos);
      int part = env->CallIntMethod(
          jtheme,
          mid,
!         (jint)scrollbar.width(),
!         (jint)scrollbar.height(),
!         (jint)scrollbar.orientation(),
!         (jint)scrollbar.value(),
!         (jint)scrollbar.visibleSize(),
!         (jint)scrollbar.totalSize(),
          (jint)p.x(),
          (jint)p.y());
      CheckAndClearException(env);
  
      return (ScrollbarPart)part;
--- 109,139 ----
      return false;
  }
  
  ScrollbarPart ScrollbarThemeJava::hitTest(Scrollbar& scrollbar, const IntPoint& pos)
  {
+     if (!scrollbar.enabled()) {
+         return (ScrollbarPart)0;
+     }
+ 
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return (ScrollbarPart)0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "hitTest",
!         "(JII)I");
      ASSERT(mid);
  
      IntPoint p = scrollbar.convertFromContainingWindow(pos);
      int part = env->CallIntMethod(
          jtheme,
          mid,
!         ptr_to_jlong(&scrollbar),
          (jint)p.x(),
          (jint)p.y());
      CheckAndClearException(env);
  
      return (ScrollbarPart)part;
*** 145,253 ****
      scrollbar.invalidate();
  }
  
  int ScrollbarThemeJava::thumbPosition(Scrollbar& scrollbar)
  {
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getThumbPosition",
!         "(IIIIII)I");
      ASSERT(mid);
  
      int pos = env->CallIntMethod(
          jtheme,
          mid,
!         (jint)scrollbar.width(),
!         (jint)scrollbar.height(),
!         (jint)scrollbar.orientation(),
!         (jint)scrollbar.value(),
!         (jint)scrollbar.visibleSize(),
!         (jint)scrollbar.totalSize());
      CheckAndClearException(env);
  
      return pos;
  }
  
  int ScrollbarThemeJava::thumbLength(Scrollbar& scrollbar)
  {
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getThumbLength",
!         "(IIIIII)I");
      ASSERT(mid);
  
      int len = env->CallIntMethod(
          jtheme,
          mid,
!         (jint)scrollbar.width(),
!         (jint)scrollbar.height(),
!         (jint)scrollbar.orientation(),
!         (jint)scrollbar.value(),
!         (jint)scrollbar.visibleSize(),
!         (jint)scrollbar.totalSize());
      CheckAndClearException(env);
  
      return len;
  }
  
  int ScrollbarThemeJava::trackPosition(Scrollbar& scrollbar)
  {
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getTrackPosition",
!         "(III)I");
      ASSERT(mid);
  
      int pos = env->CallIntMethod(
          jtheme,
          mid,
!         (jint)scrollbar.width(),
!         (jint)scrollbar.height(),
!         (jint)scrollbar.orientation());
      CheckAndClearException(env);
  
      return pos;
  }
  
  int ScrollbarThemeJava::trackLength(Scrollbar& scrollbar)
  {
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getTrackLength",
!         "(III)I");
      ASSERT(mid);
  
      int len = env->CallIntMethod(
          jtheme,
          mid,
!         (jint)scrollbar.width(),
!         (jint)scrollbar.height(),
!         (jint)scrollbar.orientation());
      CheckAndClearException(env);
  
      return len;
  }
  
--- 145,252 ----
      scrollbar.invalidate();
  }
  
  int ScrollbarThemeJava::thumbPosition(Scrollbar& scrollbar)
  {
+     if (!scrollbar.enabled()) {
+         return 0;
+     }
+ 
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getThumbPosition",
!         "(J)I");
      ASSERT(mid);
  
      int pos = env->CallIntMethod(
          jtheme,
          mid,
!         ptr_to_jlong(&scrollbar));
      CheckAndClearException(env);
  
      return pos;
  }
  
  int ScrollbarThemeJava::thumbLength(Scrollbar& scrollbar)
  {
+     if (!scrollbar.enabled()) {
+         return 0;
+     }
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getThumbLength",
!         "(J)I");
      ASSERT(mid);
  
      int len = env->CallIntMethod(
          jtheme,
          mid,
!         ptr_to_jlong(&scrollbar));
      CheckAndClearException(env);
  
      return len;
  }
  
  int ScrollbarThemeJava::trackPosition(Scrollbar& scrollbar)
  {
+     if (!scrollbar.enabled()) {
+         return 0;
+     }
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getTrackPosition",
!         "(J)I");
      ASSERT(mid);
  
      int pos = env->CallIntMethod(
          jtheme,
          mid,
!         ptr_to_jlong(&scrollbar));
      CheckAndClearException(env);
  
      return pos;
  }
  
  int ScrollbarThemeJava::trackLength(Scrollbar& scrollbar)
  {
+     if (!scrollbar.enabled()) {
+         return 0;
+     }
      JLObject jtheme = getJScrollBarTheme(scrollbar);
      if (!jtheme) {
          return 0;
      }
      JNIEnv* env = WebCore_GetJavaEnv();
  
      static jmethodID mid = env->GetMethodID(
          getJScrollBarThemeClass(),
          "getTrackLength",
!         "(J)I");
      ASSERT(mid);
  
      int len = env->CallIntMethod(
          jtheme,
          mid,
!         ptr_to_jlong(&scrollbar));
      CheckAndClearException(env);
  
      return len;
  }