зеркало из https://github.com/mozilla/pjs.git
Turned on Style Context Data Sharing. b=39618, r=pierre, sr=hyatt
This commit is contained in:
attinasi%netscape.com
Родитель
d86dcf53db
Коммит
dad1495c6a
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@ -49,6 +49,8 @@
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#include "nsIStyleSet.h"
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#include "nsISizeOfHandler.h"
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#include "nsIPresShell.h"
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#include "nsLayoutAtoms.h"
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#include "prenv.h"
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static NS_DEFINE_IID(kIStyleContextIID, NS_ISTYLECONTEXT_IID);
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@ -2147,6 +2149,12 @@ public:
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NS_IMETHOD CalcStyleDifference(nsIStyleContext* aOther, PRInt32& aHint,PRBool aStopAtFirstDifference = PR_FALSE) const;
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#ifdef SHARE_STYLECONTEXTS
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// evaluate and execute the style data sharing
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// - if nothing to share, it leaves the current style data intact,
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// otherwise it calls ShareStyleDataFrom to share another context's data
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// and releases the old data
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nsresult ShareStyleData(void);
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// share the style data of the StyleDataDonor
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// NOTE: the donor instance is cast to a StyleContextImpl to keep the
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// interface free of implementation types. This may be invalid in
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@ -2896,32 +2904,7 @@ StyleContextImpl::RemapStyle(nsIPresContext* aPresContext, PRBool aRecurse)
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RecalcAutomaticData(aPresContext);
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#ifdef SHARE_STYLECONTEXTS
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static PRBool bEnableSharing = PR_FALSE;
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// set to FALSE in debugger to turn off sharing of sc data
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if (bEnableSharing) {
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// set the CRC
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mStyleData->SetCRC32();
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NS_ASSERTION(mStyleSet, "Expected to have a style set ref...");
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nsIStyleContext *matchingSC = nsnull;
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// check if there is a matching context...
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if ((NS_SUCCEEDED(mStyleSet->FindMatchingContext(this, &matchingSC))) &&
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(nsnull != matchingSC)) {
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ShareStyleDataFrom(matchingSC);
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#ifdef NOISY_DEBUG
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printf("SC Data Shared :)\n");
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#endif
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NS_IF_RELEASE(matchingSC);
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} else {
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#ifdef NOISY_DEBUG
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printf("Unique SC Data - Not Shared :(\n");
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#endif
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}
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} // if(bDisableSharing==false)
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nsresult result = ShareStyleData();
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#endif
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if (aRecurse) {
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@ -3083,6 +3066,70 @@ nsresult StyleContextImpl::HaveStyleData(void) const
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#ifdef SHARE_STYLECONTEXTS
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nsresult StyleContextImpl::ShareStyleData(void)
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{
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nsresult result = NS_OK;
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// Enable flag: this is TRUE by default, however the env. var. moz_disable_style_sharing
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// can be set to '1' to disable the sharing before the app is launched
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static char *disableSharing = PR_GetEnv("moz_disable_style_sharing");
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static PRBool bEnableSharing = (disableSharing == nsnull) ||
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(*disableSharing != '1');
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#ifdef DEBUG
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static PRBool bOnce = PR_FALSE;
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if(!bOnce){
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printf( "Style Data Sharing is %s\n", bEnableSharing ? "Enabled :)" : "Disabled :(" );
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bOnce = PR_TRUE;
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}
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#endif
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PRBool bSharingSupported = PR_TRUE;
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if (bEnableSharing) {
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// NOTE: sharing of style data for the GfxScrollFrame is problematic
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// and is currently disabled. These pseudos indicate the use of a GfxScrollFrame
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// so we check for them and disallow sharing when any are found.
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// If you haen;t guessed it, this is a total hack until we can figure out
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// why the GfxScrollFrame is not happy having its style data shared...
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// (See bugzilla bug 39618 which also documents this problem)
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if(mPseudoTag) {
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if(mPseudoTag == nsLayoutAtoms::viewportPseudo ||
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mPseudoTag == nsLayoutAtoms::canvasPseudo ||
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mPseudoTag == nsLayoutAtoms::viewportScrollPseudo ||
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mPseudoTag == nsLayoutAtoms::scrolledContentPseudo ||
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mPseudoTag == nsLayoutAtoms::selectScrolledContentPseudo) {
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bSharingSupported = PR_FALSE;
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} else {
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bSharingSupported = PR_TRUE;
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}
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}
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}
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if (bEnableSharing && bSharingSupported) {
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// set the CRC
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mStyleData->SetCRC32();
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NS_ASSERTION(mStyleSet, "Expected to have a style set ref...");
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nsIStyleContext *matchingSC = nsnull;
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// check if there is a matching context...
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result = mStyleSet->FindMatchingContext(this, &matchingSC);
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if ((NS_SUCCEEDED(result)) &&
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(nsnull != matchingSC)) {
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ShareStyleDataFrom(matchingSC);
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#ifdef NOISY_DEBUG
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printf("SC Data Shared :)\n");
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#endif
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NS_IF_RELEASE(matchingSC);
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} else {
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#ifdef NOISY_DEBUG
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printf("Unique SC Data - Not Shared :(\n");
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#endif
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}
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}
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return result;
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}
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nsresult StyleContextImpl::ShareStyleDataFrom(nsIStyleContext*aStyleDataDonor)
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{
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nsresult rv = NS_OK;
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@ -49,6 +49,8 @@
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#include "nsIStyleSet.h"
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#include "nsISizeOfHandler.h"
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#include "nsIPresShell.h"
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#include "nsLayoutAtoms.h"
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#include "prenv.h"
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static NS_DEFINE_IID(kIStyleContextIID, NS_ISTYLECONTEXT_IID);
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@ -2147,6 +2149,12 @@ public:
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NS_IMETHOD CalcStyleDifference(nsIStyleContext* aOther, PRInt32& aHint,PRBool aStopAtFirstDifference = PR_FALSE) const;
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#ifdef SHARE_STYLECONTEXTS
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// evaluate and execute the style data sharing
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// - if nothing to share, it leaves the current style data intact,
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// otherwise it calls ShareStyleDataFrom to share another context's data
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// and releases the old data
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nsresult ShareStyleData(void);
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// share the style data of the StyleDataDonor
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// NOTE: the donor instance is cast to a StyleContextImpl to keep the
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// interface free of implementation types. This may be invalid in
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@ -2896,32 +2904,7 @@ StyleContextImpl::RemapStyle(nsIPresContext* aPresContext, PRBool aRecurse)
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RecalcAutomaticData(aPresContext);
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#ifdef SHARE_STYLECONTEXTS
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static PRBool bEnableSharing = PR_FALSE;
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// set to FALSE in debugger to turn off sharing of sc data
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if (bEnableSharing) {
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// set the CRC
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mStyleData->SetCRC32();
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NS_ASSERTION(mStyleSet, "Expected to have a style set ref...");
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nsIStyleContext *matchingSC = nsnull;
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// check if there is a matching context...
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if ((NS_SUCCEEDED(mStyleSet->FindMatchingContext(this, &matchingSC))) &&
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(nsnull != matchingSC)) {
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ShareStyleDataFrom(matchingSC);
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#ifdef NOISY_DEBUG
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printf("SC Data Shared :)\n");
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#endif
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NS_IF_RELEASE(matchingSC);
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} else {
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#ifdef NOISY_DEBUG
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printf("Unique SC Data - Not Shared :(\n");
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#endif
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}
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} // if(bDisableSharing==false)
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nsresult result = ShareStyleData();
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#endif
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if (aRecurse) {
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@ -3083,6 +3066,70 @@ nsresult StyleContextImpl::HaveStyleData(void) const
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#ifdef SHARE_STYLECONTEXTS
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nsresult StyleContextImpl::ShareStyleData(void)
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{
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nsresult result = NS_OK;
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// Enable flag: this is TRUE by default, however the env. var. moz_disable_style_sharing
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// can be set to '1' to disable the sharing before the app is launched
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static char *disableSharing = PR_GetEnv("moz_disable_style_sharing");
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static PRBool bEnableSharing = (disableSharing == nsnull) ||
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(*disableSharing != '1');
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#ifdef DEBUG
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static PRBool bOnce = PR_FALSE;
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if(!bOnce){
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printf( "Style Data Sharing is %s\n", bEnableSharing ? "Enabled :)" : "Disabled :(" );
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bOnce = PR_TRUE;
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}
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#endif
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PRBool bSharingSupported = PR_TRUE;
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if (bEnableSharing) {
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// NOTE: sharing of style data for the GfxScrollFrame is problematic
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// and is currently disabled. These pseudos indicate the use of a GfxScrollFrame
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// so we check for them and disallow sharing when any are found.
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// If you haen;t guessed it, this is a total hack until we can figure out
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// why the GfxScrollFrame is not happy having its style data shared...
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// (See bugzilla bug 39618 which also documents this problem)
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if(mPseudoTag) {
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if(mPseudoTag == nsLayoutAtoms::viewportPseudo ||
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mPseudoTag == nsLayoutAtoms::canvasPseudo ||
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mPseudoTag == nsLayoutAtoms::viewportScrollPseudo ||
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mPseudoTag == nsLayoutAtoms::scrolledContentPseudo ||
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mPseudoTag == nsLayoutAtoms::selectScrolledContentPseudo) {
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bSharingSupported = PR_FALSE;
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} else {
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bSharingSupported = PR_TRUE;
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}
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}
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}
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if (bEnableSharing && bSharingSupported) {
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// set the CRC
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mStyleData->SetCRC32();
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NS_ASSERTION(mStyleSet, "Expected to have a style set ref...");
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nsIStyleContext *matchingSC = nsnull;
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// check if there is a matching context...
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result = mStyleSet->FindMatchingContext(this, &matchingSC);
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if ((NS_SUCCEEDED(result)) &&
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(nsnull != matchingSC)) {
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ShareStyleDataFrom(matchingSC);
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#ifdef NOISY_DEBUG
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printf("SC Data Shared :)\n");
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#endif
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NS_IF_RELEASE(matchingSC);
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} else {
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#ifdef NOISY_DEBUG
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printf("Unique SC Data - Not Shared :(\n");
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#endif
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}
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}
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return result;
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}
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nsresult StyleContextImpl::ShareStyleDataFrom(nsIStyleContext*aStyleDataDonor)
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{
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nsresult rv = NS_OK;
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@ -49,6 +49,8 @@
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#include "nsIStyleSet.h"
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#include "nsISizeOfHandler.h"
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#include "nsIPresShell.h"
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#include "nsLayoutAtoms.h"
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#include "prenv.h"
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static NS_DEFINE_IID(kIStyleContextIID, NS_ISTYLECONTEXT_IID);
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@ -2147,6 +2149,12 @@ public:
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NS_IMETHOD CalcStyleDifference(nsIStyleContext* aOther, PRInt32& aHint,PRBool aStopAtFirstDifference = PR_FALSE) const;
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#ifdef SHARE_STYLECONTEXTS
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// evaluate and execute the style data sharing
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// - if nothing to share, it leaves the current style data intact,
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// otherwise it calls ShareStyleDataFrom to share another context's data
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// and releases the old data
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nsresult ShareStyleData(void);
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// share the style data of the StyleDataDonor
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// NOTE: the donor instance is cast to a StyleContextImpl to keep the
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// interface free of implementation types. This may be invalid in
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@ -2896,32 +2904,7 @@ StyleContextImpl::RemapStyle(nsIPresContext* aPresContext, PRBool aRecurse)
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RecalcAutomaticData(aPresContext);
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#ifdef SHARE_STYLECONTEXTS
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static PRBool bEnableSharing = PR_FALSE;
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// set to FALSE in debugger to turn off sharing of sc data
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if (bEnableSharing) {
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// set the CRC
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mStyleData->SetCRC32();
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NS_ASSERTION(mStyleSet, "Expected to have a style set ref...");
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nsIStyleContext *matchingSC = nsnull;
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// check if there is a matching context...
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if ((NS_SUCCEEDED(mStyleSet->FindMatchingContext(this, &matchingSC))) &&
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(nsnull != matchingSC)) {
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ShareStyleDataFrom(matchingSC);
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#ifdef NOISY_DEBUG
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printf("SC Data Shared :)\n");
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#endif
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NS_IF_RELEASE(matchingSC);
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} else {
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#ifdef NOISY_DEBUG
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printf("Unique SC Data - Not Shared :(\n");
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#endif
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}
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} // if(bDisableSharing==false)
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nsresult result = ShareStyleData();
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#endif
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if (aRecurse) {
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@ -3083,6 +3066,70 @@ nsresult StyleContextImpl::HaveStyleData(void) const
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#ifdef SHARE_STYLECONTEXTS
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nsresult StyleContextImpl::ShareStyleData(void)
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{
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nsresult result = NS_OK;
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// Enable flag: this is TRUE by default, however the env. var. moz_disable_style_sharing
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// can be set to '1' to disable the sharing before the app is launched
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static char *disableSharing = PR_GetEnv("moz_disable_style_sharing");
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static PRBool bEnableSharing = (disableSharing == nsnull) ||
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(*disableSharing != '1');
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#ifdef DEBUG
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static PRBool bOnce = PR_FALSE;
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if(!bOnce){
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printf( "Style Data Sharing is %s\n", bEnableSharing ? "Enabled :)" : "Disabled :(" );
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bOnce = PR_TRUE;
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}
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#endif
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PRBool bSharingSupported = PR_TRUE;
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if (bEnableSharing) {
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// NOTE: sharing of style data for the GfxScrollFrame is problematic
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// and is currently disabled. These pseudos indicate the use of a GfxScrollFrame
|
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// so we check for them and disallow sharing when any are found.
|
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// If you haen;t guessed it, this is a total hack until we can figure out
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// why the GfxScrollFrame is not happy having its style data shared...
|
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// (See bugzilla bug 39618 which also documents this problem)
|
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if(mPseudoTag) {
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if(mPseudoTag == nsLayoutAtoms::viewportPseudo ||
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mPseudoTag == nsLayoutAtoms::canvasPseudo ||
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mPseudoTag == nsLayoutAtoms::viewportScrollPseudo ||
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mPseudoTag == nsLayoutAtoms::scrolledContentPseudo ||
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mPseudoTag == nsLayoutAtoms::selectScrolledContentPseudo) {
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bSharingSupported = PR_FALSE;
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} else {
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bSharingSupported = PR_TRUE;
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}
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}
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}
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if (bEnableSharing && bSharingSupported) {
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// set the CRC
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mStyleData->SetCRC32();
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NS_ASSERTION(mStyleSet, "Expected to have a style set ref...");
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nsIStyleContext *matchingSC = nsnull;
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|
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// check if there is a matching context...
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result = mStyleSet->FindMatchingContext(this, &matchingSC);
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if ((NS_SUCCEEDED(result)) &&
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(nsnull != matchingSC)) {
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ShareStyleDataFrom(matchingSC);
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#ifdef NOISY_DEBUG
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printf("SC Data Shared :)\n");
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#endif
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NS_IF_RELEASE(matchingSC);
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} else {
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#ifdef NOISY_DEBUG
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printf("Unique SC Data - Not Shared :(\n");
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#endif
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}
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}
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return result;
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}
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nsresult StyleContextImpl::ShareStyleDataFrom(nsIStyleContext*aStyleDataDonor)
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{
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nsresult rv = NS_OK;
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