Added unconstrainted reflow optimizations

r=kmcclusk bug=12653

layout/forms/nsGfxButtonControlFrame.cpp

@@ -24,6 +24,7 @@
 #include "nsIButton.h"
 #include "nsWidgetsCID.h"
 #include "nsIFontMetrics.h"
+#include "nsFormControlFrame.h"
 
 static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
 static NS_DEFINE_IID(kIButtonIID,      NS_IBUTTON_IID);
@@ -325,6 +326,12 @@ nsGfxButtonControlFrame::Reflow(nsIPresContext*          aPresContext,
     nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
   }
 
+  nsresult skiprv = nsFormControlFrame::SkipResizeReflow(mCacheSize, mCachedMaxElementSize, aPresContext, 
+                                                         aDesiredSize, aReflowState, aStatus);
+  if (NS_SUCCEEDED(skiprv)) {
+    return skiprv;
+  }
+
   if ((kSuggestedNotSet != mSuggestedWidth) || 
       (kSuggestedNotSet != mSuggestedHeight)) {
     nsHTMLReflowState suggestedReflowState(aReflowState);
@@ -359,6 +366,8 @@ nsGfxButtonControlFrame::Reflow(nsIPresContext*          aPresContext,
 #endif
   aStatus = NS_FRAME_COMPLETE;
 
+  nsFormControlFrame::SetupCachedSizes(mCacheSize, mCachedMaxElementSize, aDesiredSize);
+
   return rv;
 }
 

layout/html/forms/src/nsGfxButtonControlFrame.cpp

@@ -24,6 +24,7 @@
 #include "nsIButton.h"
 #include "nsWidgetsCID.h"
 #include "nsIFontMetrics.h"
+#include "nsFormControlFrame.h"
 
 static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
 static NS_DEFINE_IID(kIButtonIID,      NS_IBUTTON_IID);
@@ -325,6 +326,12 @@ nsGfxButtonControlFrame::Reflow(nsIPresContext*          aPresContext,
     nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
   }
 
+  nsresult skiprv = nsFormControlFrame::SkipResizeReflow(mCacheSize, mCachedMaxElementSize, aPresContext, 
+                                                         aDesiredSize, aReflowState, aStatus);
+  if (NS_SUCCEEDED(skiprv)) {
+    return skiprv;
+  }
+
   if ((kSuggestedNotSet != mSuggestedWidth) || 
       (kSuggestedNotSet != mSuggestedHeight)) {
     nsHTMLReflowState suggestedReflowState(aReflowState);
@@ -359,6 +366,8 @@ nsGfxButtonControlFrame::Reflow(nsIPresContext*          aPresContext,
 #endif
   aStatus = NS_FRAME_COMPLETE;
 
+  nsFormControlFrame::SetupCachedSizes(mCacheSize, mCachedMaxElementSize, aDesiredSize);
+
   return rv;
 }
 

layout/html/forms/src/nsGfxTextControlFrame.h

@@ -51,6 +51,7 @@
 class nsIFrame;
 class nsIDOMSelection;
 
+#define OPTIMIZE_RESIZE_RELOW
 
 class nsGfxTextControlFrame;
 
@@ -656,7 +657,6 @@ private:  // frames are not refcounted
   NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
   NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
 
-
 };
 
 #endif