Bug 418833 - Move default checkbox/radio drawing to images. Allow overriding checkbox/radio styling. f?dbaron draft
authorWes Johnston <we.j@live.com>
Fri, 24 Jun 2016 09:35:14 -0700
changeset 381168 1869b45c1197325cef2fd62ecfb1369a2474b14a
parent 381102 c12837f42f7e1038901e32833e4adb8f46f35e65
child 523904 0fba9a3bd37b9260850bca62739abc1ebd324b28
push id21416
push userbmo:wjohnston2000@gmail.com
push dateFri, 24 Jun 2016 16:50:38 +0000
bugs418833
milestone50.0a1
Bug 418833 - Move default checkbox/radio drawing to images. Allow overriding checkbox/radio styling. f?dbaron MozReview-Commit-ID: HqyXXuYzjrE
layout/forms/nsGfxCheckboxControlFrame.cpp
layout/forms/nsGfxCheckboxControlFrame.h
layout/forms/nsGfxRadioControlFrame.cpp
layout/forms/nsGfxRadioControlFrame.h
layout/style/jar.mn
layout/style/res/checkmark.svg
layout/style/res/forms.css
layout/style/res/indeterminate-checkmark.svg
layout/style/res/radio.svg
--- a/layout/forms/nsGfxCheckboxControlFrame.cpp
+++ b/layout/forms/nsGfxCheckboxControlFrame.cpp
@@ -13,72 +13,16 @@
 #include "nsRenderingContext.h"
 #include "nsIDOMHTMLInputElement.h"
 #include "nsDisplayList.h"
 #include <algorithm>
 
 using namespace mozilla;
 using namespace mozilla::gfx;
 
-static void
-PaintCheckMark(nsIFrame* aFrame,
-               DrawTarget* aDrawTarget,
-               const nsRect& aDirtyRect,
-               nsPoint aPt)
-{
-  nsRect rect(aPt, aFrame->GetSize());
-  rect.Deflate(aFrame->GetUsedBorderAndPadding());
-
-  // Points come from the coordinates on a 7X7 unit box centered at 0,0
-  const int32_t checkPolygonX[] = { -3, -1,  3,  3, -1, -3 };
-  const int32_t checkPolygonY[] = { -1,  1, -3, -1,  3,  1 };
-  const int32_t checkNumPoints = sizeof(checkPolygonX) / sizeof(int32_t);
-  const int32_t checkSize      = 9; // 2 units of padding on either side
-                                    // of the 7x7 unit checkmark
-
-  // Scale the checkmark based on the smallest dimension
-  nscoord paintScale = std::min(rect.width, rect.height) / checkSize;
-  nsPoint paintCenter(rect.x + rect.width  / 2,
-                      rect.y + rect.height / 2);
-
-  RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
-  nsPoint p = paintCenter + nsPoint(checkPolygonX[0] * paintScale,
-                                    checkPolygonY[0] * paintScale);
-
-  int32_t appUnitsPerDevPixel = aFrame->PresContext()->AppUnitsPerDevPixel();
-  builder->MoveTo(NSPointToPoint(p, appUnitsPerDevPixel));
-  for (int32_t polyIndex = 1; polyIndex < checkNumPoints; polyIndex++) {
-    p = paintCenter + nsPoint(checkPolygonX[polyIndex] * paintScale,
-                              checkPolygonY[polyIndex] * paintScale);
-    builder->LineTo(NSPointToPoint(p, appUnitsPerDevPixel));
-  }
-  RefPtr<Path> path = builder->Finish();
-  aDrawTarget->Fill(path,
-                    ColorPattern(ToDeviceColor(aFrame->StyleColor()->mColor)));
-}
-
-static void
-PaintIndeterminateMark(nsIFrame* aFrame,
-                       DrawTarget* aDrawTarget,
-                       const nsRect& aDirtyRect,
-                       nsPoint aPt)
-{
-  int32_t appUnitsPerDevPixel = aFrame->PresContext()->AppUnitsPerDevPixel();
-
-  nsRect rect(aPt, aFrame->GetSize());
-  rect.Deflate(aFrame->GetUsedBorderAndPadding());
-  rect.y += (rect.height - rect.height/4) / 2;
-  rect.height /= 4;
-
-  Rect devPxRect = NSRectToSnappedRect(rect, appUnitsPerDevPixel, *aDrawTarget);
-
-  aDrawTarget->FillRect(
-    devPxRect, ColorPattern(ToDeviceColor(aFrame->StyleColor()->mColor)));
-}
-
 //------------------------------------------------------------
 nsIFrame*
 NS_NewGfxCheckboxControlFrame(nsIPresShell* aPresShell,
                               nsStyleContext* aContext)
 {
   return new (aPresShell) nsGfxCheckboxControlFrame(aContext);
 }
 
@@ -100,39 +44,16 @@ nsGfxCheckboxControlFrame::~nsGfxCheckbo
 a11y::AccType
 nsGfxCheckboxControlFrame::AccessibleType()
 {
   return a11y::eHTMLCheckboxType;
 }
 #endif
 
 //------------------------------------------------------------
-void
-nsGfxCheckboxControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
-                                            const nsDisplayListSet& aLists)
-{
-  nsFormControlFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
-  
-  // Get current checked state through content model.
-  if ((!IsChecked() && !IsIndeterminate()) || !IsVisibleForPainting(aBuilder))
-    return;   // we're not checked or not visible, nothing to paint.
-    
-  if (IsThemed())
-    return; // No need to paint the checkmark. The theme will do it.
-
-  aLists.Content()->AppendNewToTop(new (aBuilder)
-    nsDisplayGeneric(aBuilder, this,
-                     IsIndeterminate()
-                     ? PaintIndeterminateMark : PaintCheckMark,
-                     "CheckedCheckbox",
-                     nsDisplayItem::TYPE_CHECKED_CHECKBOX));
-}
-
-//------------------------------------------------------------
 bool
 nsGfxCheckboxControlFrame::IsChecked()
 {
   nsCOMPtr<nsIDOMHTMLInputElement> elem(do_QueryInterface(mContent));
   bool retval = false;
   elem->GetChecked(&retval);
   return retval;
 }
--- a/layout/forms/nsGfxCheckboxControlFrame.h
+++ b/layout/forms/nsGfxCheckboxControlFrame.h
@@ -17,20 +17,16 @@ public:
   virtual ~nsGfxCheckboxControlFrame();
 
 #ifdef DEBUG_FRAME_DUMP
   virtual nsresult GetFrameName(nsAString& aResult) const override {
     return MakeFrameName(NS_LITERAL_STRING("CheckboxControl"), aResult);
   }
 #endif
 
-  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
-                                const nsDisplayListSet& aLists) override;
-
 #ifdef ACCESSIBILITY
   virtual mozilla::a11y::AccType AccessibleType() override;
 #endif
 
 protected:
 
   bool IsChecked();
   bool IsIndeterminate();
--- a/layout/forms/nsGfxRadioControlFrame.cpp
+++ b/layout/forms/nsGfxRadioControlFrame.cpp
@@ -35,59 +35,8 @@ nsGfxRadioControlFrame::~nsGfxRadioContr
 
 #ifdef ACCESSIBILITY
 a11y::AccType
 nsGfxRadioControlFrame::AccessibleType()
 {
   return a11y::eHTMLRadioButtonType;
 }
 #endif
-
-//--------------------------------------------------------------
-// Draw the dot for a non-native radio button in the checked state.
-static void
-PaintCheckedRadioButton(nsIFrame* aFrame,
-                        DrawTarget* aDrawTarget,
-                        const nsRect& aDirtyRect,
-                        nsPoint aPt)
-{
-  // The dot is an ellipse 2px on all sides smaller than the content-box,
-  // drawn in the foreground color.
-  nsRect rect(aPt, aFrame->GetSize());
-  rect.Deflate(aFrame->GetUsedBorderAndPadding());
-  rect.Deflate(nsPresContext::CSSPixelsToAppUnits(2),
-               nsPresContext::CSSPixelsToAppUnits(2));
-
-  Rect devPxRect =
-    ToRect(nsLayoutUtils::RectToGfxRect(rect,
-                                        aFrame->PresContext()->AppUnitsPerDevPixel()));
-
-  ColorPattern color(ToDeviceColor(aFrame->StyleColor()->mColor));
-
-  RefPtr<PathBuilder> builder = aDrawTarget->CreatePathBuilder();
-  AppendEllipseToPath(builder, devPxRect.Center(), devPxRect.Size());
-  RefPtr<Path> ellipse = builder->Finish();
-  aDrawTarget->Fill(ellipse, color);
-}
-
-void
-nsGfxRadioControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
-                                         const nsDisplayListSet& aLists)
-{
-  nsFormControlFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
-
-  if (!IsVisibleForPainting(aBuilder))
-    return;
-  
-  if (IsThemed())
-    return; // The theme will paint the check, if any.
-
-  bool checked = true;
-  GetCurrentCheckState(&checked); // Get check state from the content model
-  if (!checked)
-    return;
-    
-  aLists.Content()->AppendNewToTop(new (aBuilder)
-    nsDisplayGeneric(aBuilder, this, PaintCheckedRadioButton,
-                     "CheckedRadioButton",
-                     nsDisplayItem::TYPE_CHECKED_RADIOBUTTON));
-}
--- a/layout/forms/nsGfxRadioControlFrame.h
+++ b/layout/forms/nsGfxRadioControlFrame.h
@@ -18,15 +18,11 @@ public:
   explicit nsGfxRadioControlFrame(nsStyleContext* aContext);
   ~nsGfxRadioControlFrame();
 
   NS_DECL_FRAMEARENA_HELPERS
 
 #ifdef ACCESSIBILITY
   virtual mozilla::a11y::AccType AccessibleType() override;
 #endif
-
-  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
-                                const nsDisplayListSet& aLists) override;
 };
 
 #endif
--- a/layout/style/jar.mn
+++ b/layout/style/jar.mn
@@ -26,10 +26,13 @@ toolkit.jar:
    res/accessiblecaret-tilt-left@1x.png      (res/accessiblecaret-tilt-left@1x.png)
    res/accessiblecaret-tilt-left@1.5x.png    (res/accessiblecaret-tilt-left@1.5x.png)
    res/accessiblecaret-tilt-left@2x.png      (res/accessiblecaret-tilt-left@2x.png)
    res/accessiblecaret-tilt-left@2.25x.png   (res/accessiblecaret-tilt-left@2.25x.png)
    res/accessiblecaret-tilt-right@1x.png     (res/accessiblecaret-tilt-right@1x.png)
    res/accessiblecaret-tilt-right@1.5x.png   (res/accessiblecaret-tilt-right@1.5x.png)
    res/accessiblecaret-tilt-right@2x.png     (res/accessiblecaret-tilt-right@2x.png)
    res/accessiblecaret-tilt-right@2.25x.png  (res/accessiblecaret-tilt-right@2.25x.png)
+   res/checkmark.svg                                (res/checkmark.svg)
+   res/indeterminate-checkmark.svg         (res/indeterminate-checkmark.svg)
+   res/radio.svg                                (res/radio.svg)
 
 % resource gre-resources %res/
new file mode 100644
--- /dev/null
+++ b/layout/style/res/checkmark.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 10 10" width="10" height="10">
+    <style type="text/css">
+        circle { fill: black; }
+        #disabled:target { fill: GrayText; }
+    </style>
+    <path id="disabled" d="M 2 4 L 4 6 L 8 2 L 8 4 L 4 8 L 2 6 Z"/>
+</svg>
--- a/layout/style/res/forms.css
+++ b/layout/style/res/forms.css
@@ -561,47 +561,74 @@ input[type="checkbox"] {
 input[type="radio"],
 input[type="checkbox"] {
   box-sizing: border-box;
   inline-size: 13px;
   block-size: 13px;
   cursor: default;
   padding: 0 !important;
   -moz-binding: none;
-  /* same colors as |input| rule, but |!important| this time. */
-  background-color: -moz-Field ! important;
-  color: -moz-FieldText ! important;
-  border: 2px inset ThreeDLightShadow ! important;
+  background-repeat: no-repeat;
+  background-position: center;
 }
 
 input[type="radio"]:disabled,
 input[type="radio"]:disabled:active,
 input[type="radio"]:disabled:hover,
 input[type="radio"]:disabled:hover:active,
 input[type="checkbox"]:disabled,
 input[type="checkbox"]:disabled:active,
 input[type="checkbox"]:disabled:hover,
 input[type="checkbox"]:disabled:hover:active {
   padding: 1px;
-  border: 1px inset ThreeDShadow ! important;
-  /* same as above, but !important */
-  color: GrayText ! important;
-  background-color: ThreeDFace ! important;
+  border: 1px inset ThreeDShadow;
   cursor: inherit;
 }
 
 input[type="checkbox"]:-moz-focusring,
 input[type="radio"]:-moz-focusring {
-  border-style: groove !important;
+  border-style: groove;
 }
 
 input[type="checkbox"]:hover:active,
 input[type="radio"]:hover:active {
-  background-color: ThreeDFace ! important;
-  border-style: inset !important;
+  background-color: ThreeDFace ;
+  border-style: inset;
+}
+
+input[type="radio"] {
+  background-size: calc(100% - 4px) calc(100% - 4px);
+}
+
+input[type="radio"]:checked {
+  background-image: url(radio.svg);
+}
+
+input[type="radio"]:disabled:checked {
+  background-image: url(radio.svg#disabled);
+}
+
+input[type="checkbox"] {
+  background-size: 100% 100%;
+}
+
+input[type="checkbox"]:checked {
+  background-image: url(checkmark.svg);
+}
+
+input[type="checkbox"]:disabled:checked {
+  background-image: url(checkmark.svg#disabled);
+}
+
+input[type="checkbox"]:indeterminate {
+  background-image: url(indeterminate-checkmark.svg);
+}
+
+input[type="checkbox"]:indeterminate:disabled {
+  background-image: url(indeterminate-checkmark.svg#disabled);
 }
 
 input[type="search"] {
   box-sizing: border-box;
 }
 
 /* buttons */
 
new file mode 100644
--- /dev/null
+++ b/layout/style/res/indeterminate-checkmark.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 5 5" width="5" height="5">
+    <style type="text/css">
+        circle { fill: black; }
+        #disabled:target { fill: GrayText; }
+    </style>
+    <rect id="disabled" x="0" y="2" width="5" height="1"/>
+</svg>
new file mode 100644
--- /dev/null
+++ b/layout/style/res/radio.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 20 20" width="20" height="20">
+    <style type="text/css">
+        circle { fill: black; }
+        #disabled:target { fill: GrayText; }
+    </style>
+    <circle id="disabled" cx="10" cy="10" r="10"/>
+</svg>