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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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chrome/nsChromeRegistryChrome.h Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsChromeRegistryChrome_h
#define nsChromeRegistryChrome_h
#include "nsCOMArray.h"
#include "nsChromeRegistry.h"
#include "nsTArray.h"
#include "mozilla/Move.h"
#include "nsClassHashtable.h"
namespace mozilla {
namespace dom {
class PContentParent;
} // namespace dom
} // namespace mozilla
class nsIPrefBranch;
struct ChromePackage;
class nsChromeRegistryChrome : public nsChromeRegistry
{
public:
nsChromeRegistryChrome();
~nsChromeRegistryChrome();
nsresult Init() override;
NS_IMETHOD CheckForNewChrome() override;
NS_IMETHOD CheckForOSAccessibility() override;
NS_IMETHOD GetLocalesForPackage(const nsACString& aPackage,
nsIUTF8StringEnumerator* *aResult) override;
NS_IMETHOD IsLocaleRTL(const nsACString& package,
bool *aResult) override;
NS_IMETHOD GetSelectedLocale(const nsACString& aPackage,
bool aAsBCP47,
nsACString& aLocale) override;
NS_IMETHOD Observe(nsISupports *aSubject, const char *aTopic,
const char16_t *someData) override;
#ifdef MOZ_XUL
NS_IMETHOD GetXULOverlays(nsIURI *aURI,
nsISimpleEnumerator **_retval) override;
NS_IMETHOD GetStyleOverlays(nsIURI *aURI,
nsISimpleEnumerator **_retval) override;
#endif
// If aChild is non-null then it is a new child to notify. If aChild is
// null, then we have installed new chrome and we are resetting all of our
// children's registered chrome.
void SendRegisteredChrome(mozilla::dom::PContentParent* aChild);
private:
struct PackageEntry;
static void ChromePackageFromPackageEntry(const nsACString& aPackageName,
PackageEntry* aPackage,
ChromePackage* aChromePackage,
const nsCString& aSelectedLocale,
const nsCString& aSelectedSkin);
nsresult OverrideLocalePackage(const nsACString& aPackage,
nsACString& aOverride);
nsresult SelectLocaleFromPref(nsIPrefBranch* prefs);
nsresult UpdateSelectedLocale() override;
nsIURI* GetBaseURIFromPackage(const nsCString& aPackage,
const nsCString& aProvider,
const nsCString& aPath) override;
nsresult GetFlagsFromPackage(const nsCString& aPackage,
uint32_t* aFlags) override;
struct ProviderEntry
{
ProviderEntry(const nsACString& aProvider, nsIURI* aBase) :
provider(aProvider),
baseURI(aBase) { }
nsCString provider;
nsCOMPtr<nsIURI> baseURI;
};
class nsProviderArray
{
public:
nsProviderArray() :
mArray(1) { }
~nsProviderArray() { }
// When looking up locales and skins, the "selected" locale is not always
// available. This enum identifies what kind of match is desired/found.
enum MatchType {
EXACT = 0,
LOCALE = 1, // "en-GB" is selected, we found "en-US"
ANY = 2
};
nsIURI* GetBase(const nsACString& aPreferred, MatchType aType);
const nsACString& GetSelected(const nsACString& aPreferred, MatchType aType);
void SetBase(const nsACString& aProvider, nsIURI* base);
void EnumerateToArray(nsTArray<nsCString> *a);
private:
ProviderEntry* GetProvider(const nsACString& aPreferred, MatchType aType);
nsTArray<ProviderEntry> mArray;
};
struct PackageEntry : public PLDHashEntryHdr
{
PackageEntry()
: flags(0) { }
~PackageEntry() { }
nsCOMPtr<nsIURI> baseURI;
uint32_t flags;
nsProviderArray locales;
nsProviderArray skins;
};
class OverlayListEntry : public nsURIHashKey
{
public:
typedef nsURIHashKey::KeyType KeyType;
typedef nsURIHashKey::KeyTypePointer KeyTypePointer;
explicit OverlayListEntry(KeyTypePointer aKey) : nsURIHashKey(aKey) { }
OverlayListEntry(OverlayListEntry&& toMove) : nsURIHashKey(mozilla::Move(toMove)),
mArray(mozilla::Move(toMove.mArray)) { }
~OverlayListEntry() { }
void AddURI(nsIURI* aURI);
nsCOMArray<nsIURI> mArray;
};
class OverlayListHash
{
public:
OverlayListHash() { }
~OverlayListHash() { }
void Add(nsIURI* aBase, nsIURI* aOverlay);
void Clear() { mTable.Clear(); }
const nsCOMArray<nsIURI>* GetArray(nsIURI* aBase);
private:
nsTHashtable<OverlayListEntry> mTable;
};
// Hashes on the file to be overlaid (chrome://browser/content/browser.xul)
// to a list of overlays/stylesheets
OverlayListHash mOverlayHash;
OverlayListHash mStyleHash;
bool mProfileLoaded;
bool mDynamicRegistration;
nsCString mSelectedLocale;
nsCString mSelectedSkin;
// Hash of package names ("global") to PackageEntry objects
nsClassHashtable<nsCStringHashKey, PackageEntry> mPackagesHash;
virtual void ManifestContent(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
virtual void ManifestLocale(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
virtual void ManifestSkin(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
virtual void ManifestOverlay(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
virtual void ManifestStyle(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
virtual void ManifestOverride(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
virtual void ManifestResource(ManifestProcessingContext& cx, int lineno,
char *const * argv, int flags) override;
};
#endif // nsChromeRegistryChrome_h