зеркало из https://github.com/mozilla/gecko-dev.git
clean up some prefhandling code in nsImgManager/nsCookiePermission, to fix a bogus assert when mailnews prefs aren't available.
b=224339, r=caillon, sr=darin.
This commit is contained in:
dwitte%stanford.edu
Родитель
24e5990b0c
Коммит
3854015772
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@ -156,33 +156,33 @@ nsCookiePermission::Init()
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}
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void
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nsCookiePermission::PrefChanged(nsIPrefBranch *prefBranch,
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const char *pref)
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nsCookiePermission::PrefChanged(nsIPrefBranch *aPrefBranch,
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const char *aPref)
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{
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PRBool val;
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#define PREF_CHANGED(_P) (!pref || !strcmp(pref, _P))
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#define PREF_CHANGED(_P) (!aPref || !strcmp(aPref, _P))
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if (PREF_CHANGED(kCookiesAskPermission) &&
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NS_SUCCEEDED(prefBranch->GetBoolPref(kCookiesAskPermission, &val)))
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NS_SUCCEEDED(aPrefBranch->GetBoolPref(kCookiesAskPermission, &val)))
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mCookiesAskPermission = val;
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if (PREF_CHANGED(kCookiesLifetimeEnabled) &&
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NS_SUCCEEDED(prefBranch->GetBoolPref(kCookiesLifetimeEnabled, &val)))
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NS_SUCCEEDED(aPrefBranch->GetBoolPref(kCookiesLifetimeEnabled, &val)))
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mCookiesLifetimeEnabled = val;
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#ifndef MOZ_PHOENIX
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if (PREF_CHANGED(kCookiesLifetimeCurrentSession) &&
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NS_SUCCEEDED(prefBranch->GetIntPref(kCookiesLifetimeCurrentSession, &val)))
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NS_SUCCEEDED(aPrefBranch->GetIntPref(kCookiesLifetimeCurrentSession, &val)))
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mCookiesLifetimeCurrentSession = (val == 0);
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if (PREF_CHANGED(kCookiesLifetimeDays) &&
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NS_SUCCEEDED(prefBranch->GetIntPref(kCookiesLifetimeDays, &val)))
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NS_SUCCEEDED(aPrefBranch->GetIntPref(kCookiesLifetimeDays, &val)))
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// save cookie lifetime in seconds instead of days
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mCookiesLifetimeSec = val * 24 * 60 * 60;
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if (PREF_CHANGED(kCookiesDisabledForMailNews) &&
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NS_SUCCEEDED(prefBranch->GetBoolPref(kCookiesDisabledForMailNews, &val)))
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NS_SUCCEEDED(aPrefBranch->GetBoolPref(kCookiesDisabledForMailNews, &val)))
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mCookiesDisabledForMailNews = val;
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#endif
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}
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@ -406,7 +406,10 @@ nsCookiePermission::Observe(nsISupports *aSubject,
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const PRUnichar *aData)
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{
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nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
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NS_ASSERTION(!nsCRT::strcmp(NS_PREFBRANCH_PREFCHANGE_TOPIC_ID, aTopic),
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"unexpected topic - we only deal with pref changes!");
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if (prefBranch)
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PrefChanged(prefBranch, NS_LossyConvertUCS2toASCII(aData).get());
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PrefChanged(prefBranch, NS_LossyConvertUTF16toASCII(aData).get());
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return NS_OK;
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}
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@ -40,16 +40,15 @@
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#include "nsIDocument.h"
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#include "nsIContent.h"
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#include "nsINodeInfo.h"
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#include "nsCOMPtr.h"
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#include "nsXPIDLString.h"
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#include "nsIURI.h"
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#include "nsIServiceManager.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMWindow.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsCRT.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefBranchInternal.h"
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#include "nsIObserverService.h"
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#include "nsIDocShell.h"
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#include "nsString.h"
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// Possible behavior pref values
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@ -62,10 +61,32 @@ static const char kImageWarningPrefName[] = "network.image.warnAboutImages";
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static const char kImageBlockerPrefName[] = "imageblocker.enabled";
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static const char kImageBlockImageInMailNewsPrefName[] = "mailnews.message_display.disable_remote_image";
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static const PRInt32 kImageBehaviorPrefDefault = IMAGE_ACCEPT;
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static const PRBool kImageWarningPrefDefault = PR_FALSE;
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static const PRBool kImageBlockerPrefDefault = PR_FALSE;
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static const PRBool kImageBlockImageInMailNewsPrefDefault = PR_FALSE;
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static const PRUint8 kImageBehaviorPrefDefault = IMAGE_ACCEPT;
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static const PRPackedBool kImageBlockerPrefDefault = PR_FALSE;
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static const PRPackedBool kImageWarningPrefDefault = PR_FALSE;
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static const PRPackedBool kImageBlockImageInMailNewsPrefDefault = PR_FALSE;
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static inline already_AddRefed<nsIDocShell>
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GetRootDocShell(nsIDOMWindow *aWindow)
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{
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nsIDocShell *rootShell = nsnull;
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nsCOMPtr<nsIScriptGlobalObject> globalObj(do_QueryInterface(aWindow));
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if (globalObj) {
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nsCOMPtr<nsIDocShell> docShell;
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globalObj->GetDocShell(getter_AddRefs(docShell));
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nsCOMPtr<nsIDocShellTreeItem> docShellTreeItem(do_QueryInterface(docShell));
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if (docShellTreeItem) {
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nsCOMPtr<nsIDocShellTreeItem> rootItem;
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docShellTreeItem->GetRootTreeItem(getter_AddRefs(rootItem));
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CallQueryInterface(rootItem, &rootShell);
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}
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}
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return rootShell;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsImgManager Implementation
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@ -78,6 +99,10 @@ NS_IMPL_ISUPPORTS4(nsImgManager,
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nsSupportsWeakReference)
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nsImgManager::nsImgManager()
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: mBehaviorPref(kImageBehaviorPrefDefault)
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, mBlockerPref(kImageBlockerPrefDefault)
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, mWarningPref(kImageWarningPrefDefault)
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, mBlockInMailNewsPref(kImageBlockImageInMailNewsPrefDefault)
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{
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}
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@ -87,17 +112,14 @@ nsImgManager::~nsImgManager()
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nsresult nsImgManager::Init()
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{
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nsresult rv;
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// On error, just don't use the host based lookup anymore. We can do the
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// other things, like mailnews blocking
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mPermissionManager = do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
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mPrefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
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if (NS_SUCCEEDED(rv)) {
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nsCOMPtr<nsIPrefBranchInternal> prefInternal = do_QueryInterface(mPrefBranch, &rv);
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if (NS_SUCCEEDED(rv)) {
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nsCOMPtr<nsIPrefBranch> prefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (prefBranch) {
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nsCOMPtr<nsIPrefBranchInternal> prefInternal = do_QueryInterface(prefBranch);
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if (prefInternal) {
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prefInternal->AddObserver(kImageBehaviorPrefName, this, PR_TRUE);
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// We don't do anything with it yet, but let it be. (bug 110112, 146513)
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@ -107,14 +129,38 @@ nsresult nsImgManager::Init()
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prefInternal->AddObserver(kImageBlockerPrefName, this, PR_TRUE);
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prefInternal->AddObserver(kImageBlockImageInMailNewsPrefName, this, PR_TRUE);
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}
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PrefChanged(prefBranch, nsnull);
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}
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rv = ReadPrefs();
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NS_ASSERTION(NS_SUCCEEDED(rv), "Error occured reading image preferences");
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return NS_OK;
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}
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void
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nsImgManager::PrefChanged(nsIPrefBranch *aPrefBranch,
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const char *aPref)
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{
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PRBool val;
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#define PREF_CHANGED(_P) (!aPref || !strcmp(aPref, _P))
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if (PREF_CHANGED(kImageBehaviorPrefName) &&
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NS_SUCCEEDED(aPrefBranch->GetIntPref(kImageBehaviorPrefName, &val)) &&
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val >= 0 && val <= 2)
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mBehaviorPref = val;
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if (PREF_CHANGED(kImageBlockerPrefName) &&
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NS_SUCCEEDED(aPrefBranch->GetBoolPref(kImageBlockerPrefName, &val)))
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mBlockerPref = val;
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if (PREF_CHANGED(kImageWarningPrefName) &&
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NS_SUCCEEDED(aPrefBranch->GetBoolPref(kImageWarningPrefName, &val)))
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mWarningPref = val;
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if (PREF_CHANGED(kImageBlockImageInMailNewsPrefName) &&
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NS_SUCCEEDED(aPrefBranch->GetBoolPref(kImageBlockImageInMailNewsPrefName, &val)))
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mBlockInMailNewsPref = val;
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}
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// nsIContentPolicy Implementation
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NS_IMETHODIMP nsImgManager::ShouldLoad(PRInt32 aContentType,
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nsIURI *aContentLoc,
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@ -171,8 +217,7 @@ NS_IMETHODIMP nsImgManager::ShouldLoad(PRInt32 aContentType,
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if (!baseURI)
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return rv;
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nsCOMPtr<nsIDocShell> docshell;
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rv = GetRootDocShell(aWindow, getter_AddRefs(docshell));
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nsCOMPtr<nsIDocShell> docshell = GetRootDocShell(aWindow);
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if (docshell) {
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PRUint32 appType;
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rv = docshell->GetAppType(&appType);
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@ -286,108 +331,15 @@ nsImgManager::TestPermission(nsIURI *aCurrentURI,
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}
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NS_IMETHODIMP
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nsImgManager::Observe(nsISupports *aSubject,
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const char *aTopic,
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nsImgManager::Observe(nsISupports *aSubject,
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const char *aTopic,
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const PRUnichar *aData)
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{
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nsresult rv;
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nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
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NS_ASSERTION(!nsCRT::strcmp(NS_PREFBRANCH_PREFCHANGE_TOPIC_ID, aTopic),
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"unexpected topic - we only deal with pref changes!");
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// check the topic, and the cached prefservice
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if (!mPrefBranch) {
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NS_ERROR("No prefbranch");
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return NS_ERROR_FAILURE;
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}
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if (!nsCRT::strcmp(NS_PREFBRANCH_PREFCHANGE_TOPIC_ID, aTopic)) {
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// which pref changed?
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NS_LossyConvertUCS2toASCII pref(aData);
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if (pref.Equals(kImageBehaviorPrefName)) {
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rv = mPrefBranch->GetIntPref(kImageBehaviorPrefName, &mBehaviorPref);
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if (NS_FAILED(rv) || mBehaviorPref < 0 || mBehaviorPref > 2) {
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mBehaviorPref = kImageBehaviorPrefDefault;
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}
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} else if (pref.Equals(kImageWarningPrefName)) {
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rv = mPrefBranch->GetIntPref(kImageWarningPrefName, &mWarningPref);
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if (NS_FAILED(rv)) {
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mWarningPref = kImageWarningPrefDefault;
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}
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} else if (pref.Equals(kImageBlockerPrefName)) {
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rv = mPrefBranch->GetIntPref(kImageBlockerPrefName, &mBlockerPref);
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if (NS_FAILED(rv)) {
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mBlockerPref = kImageBlockerPrefDefault;
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}
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} else if (pref.Equals(kImageBlockImageInMailNewsPrefName)) {
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rv = mPrefBranch->GetBoolPref(kImageBlockImageInMailNewsPrefName, &mBlockInMailNewsPref);
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if (NS_FAILED(rv)) {
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mBlockInMailNewsPref = kImageBlockImageInMailNewsPrefDefault;
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}
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}
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}
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if (prefBranch)
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PrefChanged(prefBranch, NS_LossyConvertUTF16toASCII(aData).get());
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return NS_OK;
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}
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nsresult
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nsImgManager::ReadPrefs()
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{
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nsresult rv, rv2 = NS_OK;
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// check the prefservice is cached
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if (!mPrefBranch) {
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NS_ERROR("No prefbranch");
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return NS_ERROR_FAILURE;
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}
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rv = mPrefBranch->GetIntPref(kImageBehaviorPrefName, &mBehaviorPref);
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if (NS_FAILED(rv) || mBehaviorPref < 0 || mBehaviorPref > 2) {
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rv2 = rv;
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mBehaviorPref = kImageBehaviorPrefDefault;
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}
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rv = mPrefBranch->GetBoolPref(kImageBlockerPrefName, &mBlockerPref);
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if (NS_FAILED(rv)) {
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rv2 = rv;
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mBlockerPref = kImageWarningPrefDefault;
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}
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rv = mPrefBranch->GetBoolPref(kImageWarningPrefName, &mWarningPref);
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if (NS_FAILED(rv)) {
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rv2 = rv;
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mWarningPref = kImageBlockerPrefDefault;
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}
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rv = mPrefBranch->GetBoolPref(kImageBlockImageInMailNewsPrefName, &mBlockInMailNewsPref);
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if (NS_FAILED(rv)) {
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rv2 = rv;
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mBlockInMailNewsPref = kImageBlockImageInMailNewsPrefDefault;
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}
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return rv2;
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}
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NS_IMETHODIMP
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nsImgManager::GetRootDocShell(nsIDOMWindow *aWindow, nsIDocShell **result)
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{
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nsresult rv;
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nsCOMPtr<nsIScriptGlobalObject> globalObj(do_QueryInterface(aWindow));
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if (!globalObj)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDocShell> docshell;
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rv = globalObj->GetDocShell(getter_AddRefs(docshell));
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsIDocShellTreeItem> docshellTreeItem(do_QueryInterface(docshell, &rv));
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsIDocShellTreeItem> rootItem;
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rv = docshellTreeItem->GetRootTreeItem(getter_AddRefs(rootItem));
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if (NS_FAILED(rv))
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return rv;
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return CallQueryInterface(rootItem, result);
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}
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@ -41,15 +41,11 @@
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#include "nsIImgManager.h"
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#include "nsIContentPolicy.h"
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#include "nsCOMPtr.h"
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#include "nsIIOService.h"
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#include "nsIDocShell.h"
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#include "nsIObserver.h"
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#include "nsWeakReference.h"
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#include "nsIPermissionManager.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch.h"
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class nsIPrefBranch;
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////////////////////////////////////////////////////////////////////////////////
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@ -70,22 +66,16 @@ public:
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virtual ~nsImgManager();
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nsresult Init();
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private:
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nsresult ReadPrefs();
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PRBool mBlockerPref;
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PRInt32 mBehaviorPref;
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PRBool mWarningPref;
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PRBool mBlockInMailNewsPref;
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PRBool mPolicy;
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protected:
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NS_IMETHOD GetRootDocShell(nsIDOMWindow *aWindow, nsIDocShell **result);
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void PrefChanged(nsIPrefBranch *, const char *);
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PRUint8 mBehaviorPref;
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PRPackedBool mBlockerPref;
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PRPackedBool mWarningPref;
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PRPackedBool mBlockInMailNewsPref;
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nsCOMPtr<nsIPermissionManager> mPermissionManager;
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nsCOMPtr<nsIPrefBranch> mPrefBranch;
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};
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// {D60B3710-166D-11d5-A542-0010A401EB10}
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