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gecko-dev/toolkit/components/places/nsNavHistoryResult.h

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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/. */
/**
* The definitions of objects that make up a history query result set. This file
* should only be included by nsNavHistory.h, include that if you want these
* classes.
*/
#ifndef nsNavHistoryResult_h_
#define nsNavHistoryResult_h_
#include "INativePlacesEventCallback.h"
#include "nsTArray.h"
#include "nsMaybeWeakPtr.h"
#include "nsInterfaceHashtable.h"
#include "nsDataHashtable.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/storage.h"
#include "Helpers.h"
class nsNavHistory;
class nsNavHistoryQuery;
class nsNavHistoryQueryOptions;
class nsNavHistoryContainerResultNode;
class nsNavHistoryFolderResultNode;
class nsNavHistoryQueryResultNode;
/**
* hashkey wrapper using int64_t KeyType
*
* @see nsTHashtable::EntryType for specification
*
* This just truncates the 64-bit int to a 32-bit one for using a hash number.
* It is used for bookmark folder IDs, which should be way less than 2^32.
*/
class nsTrimInt64HashKey : public PLDHashEntryHdr {
public:
typedef const int64_t& KeyType;
typedef const int64_t* KeyTypePointer;
explicit nsTrimInt64HashKey(KeyTypePointer aKey) : mValue(*aKey) {}
nsTrimInt64HashKey(const nsTrimInt64HashKey& toCopy)
: mValue(toCopy.mValue) {}
~nsTrimInt64HashKey() = default;
KeyType GetKey() const { return mValue; }
bool KeyEquals(KeyTypePointer aKey) const { return *aKey == mValue; }
static KeyTypePointer KeyToPointer(KeyType aKey) { return &aKey; }
static PLDHashNumber HashKey(KeyTypePointer aKey) {
return static_cast<uint32_t>((*aKey) & UINT32_MAX);
}
enum { ALLOW_MEMMOVE = true };
private:
const int64_t mValue;
};
// Declare methods for implementing nsINavBookmarkObserver
// and nsINavHistoryObserver (some methods, such as BeginUpdateBatch overlap)
#define NS_DECL_BOOKMARK_HISTORY_OBSERVER_BASE(...) \
NS_DECL_NSINAVBOOKMARKOBSERVER \
NS_IMETHOD OnTitleChanged(nsIURI* aURI, const nsAString& aPageTitle, \
const nsACString& aGUID) __VA_ARGS__; \
NS_IMETHOD OnFrecencyChanged(nsIURI* aURI, int32_t aNewFrecency, \
const nsACString& aGUID, bool aHidden, \
PRTime aLastVisitDate) __VA_ARGS__; \
NS_IMETHOD OnManyFrecenciesChanged() __VA_ARGS__; \
NS_IMETHOD OnDeleteURI(nsIURI* aURI, const nsACString& aGUID, \
uint16_t aReason) __VA_ARGS__; \
NS_IMETHOD OnClearHistory() __VA_ARGS__; \
NS_IMETHOD OnPageChanged(nsIURI* aURI, uint32_t aChangedAttribute, \
const nsAString& aNewValue, \
const nsACString& aGUID) __VA_ARGS__; \
NS_IMETHOD OnDeleteVisits(nsIURI* aURI, bool aPartialRemoval, \
const nsACString& aGUID, uint16_t aReason, \
uint32_t aTransitionType) __VA_ARGS__;
// The internal version is used by query nodes.
#define NS_DECL_BOOKMARK_HISTORY_OBSERVER_INTERNAL \
NS_DECL_BOOKMARK_HISTORY_OBSERVER_BASE()
// The external version is used by results.
#define NS_DECL_BOOKMARK_HISTORY_OBSERVER_EXTERNAL(...) \
NS_DECL_BOOKMARK_HISTORY_OBSERVER_BASE(__VA_ARGS__)
// nsNavHistoryResult
//
// nsNavHistory creates this object and fills in mChildren (by getting
// it through GetTopLevel()). Then FilledAllResults() is called to finish
// object initialization.
#define NS_NAVHISTORYRESULT_IID \
{ \
0x455d1d40, 0x1b9b, 0x40e6, { \
0xa6, 0x41, 0x8b, 0xb7, 0xe8, 0x82, 0x23, 0x87 \
} \
}
class nsNavHistoryResult final
: public nsSupportsWeakReference,
public nsINavHistoryResult,
public nsINavBookmarkObserver,
public nsINavHistoryObserver,
public mozilla::places::INativePlacesEventCallback {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_NAVHISTORYRESULT_IID)
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSINAVHISTORYRESULT
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsNavHistoryResult,
nsINavHistoryResult)
NS_DECL_BOOKMARK_HISTORY_OBSERVER_EXTERNAL(override)
void AddHistoryObserver(nsNavHistoryQueryResultNode* aNode);
void AddBookmarkFolderObserver(nsNavHistoryFolderResultNode* aNode,
int64_t aFolder);
void AddAllBookmarksObserver(nsNavHistoryQueryResultNode* aNode);
void AddMobilePrefsObserver(nsNavHistoryQueryResultNode* aNode);
void RemoveHistoryObserver(nsNavHistoryQueryResultNode* aNode);
void RemoveBookmarkFolderObserver(nsNavHistoryFolderResultNode* aNode,
int64_t aFolder);
void RemoveAllBookmarksObserver(nsNavHistoryQueryResultNode* aNode);
void RemoveMobilePrefsObserver(nsNavHistoryQueryResultNode* aNode);
void StopObserving();
nsresult OnVisit(nsIURI* aURI, int64_t aVisitId, PRTime aTime,
uint32_t aTransitionType, const nsACString& aGUID,
bool aHidden, uint32_t aVisitCount,
const nsAString& aLastKnownTitle);
public:
explicit nsNavHistoryResult(nsNavHistoryContainerResultNode* mRoot,
const RefPtr<nsNavHistoryQuery>& aQuery,
const RefPtr<nsNavHistoryQueryOptions>& aOptions);
RefPtr<nsNavHistoryContainerResultNode> mRootNode;
RefPtr<nsNavHistoryQuery> mQuery;
RefPtr<nsNavHistoryQueryOptions> mOptions;
// One of nsNavHistoryQueryOptions.SORY_BY_* This is initialized to
// mOptions.sortingMode, but may be overridden if the user clicks on one of
// the columns.
uint16_t mSortingMode;
// If root node is closed and we try to apply a sortingMode, it would not
// work. So we will apply it when the node will be reopened and populated.
// This var states the fact we need to apply sortingMode in such a situation.
bool mNeedsToApplySortingMode;
// node observers
bool mIsHistoryObserver;
bool mIsBookmarkFolderObserver;
bool mIsAllBookmarksObserver;
bool mIsMobilePrefObserver;
typedef nsTArray<RefPtr<nsNavHistoryQueryResultNode> > QueryObserverList;
QueryObserverList mHistoryObservers;
QueryObserverList mAllBookmarksObservers;
QueryObserverList mMobilePrefObservers;
typedef nsTArray<RefPtr<nsNavHistoryFolderResultNode> > FolderObserverList;
nsDataHashtable<nsTrimInt64HashKey, FolderObserverList*>
mBookmarkFolderObservers;
FolderObserverList* BookmarkFolderObserversForId(int64_t aFolderId,
bool aCreate);
typedef nsTArray<RefPtr<nsNavHistoryContainerResultNode> >
ContainerObserverList;
void RecursiveExpandCollapse(nsNavHistoryContainerResultNode* aContainer,
bool aExpand);
void InvalidateTree();
bool mBatchInProgress;
nsMaybeWeakPtrArray<nsINavHistoryResultObserver> mObservers;
bool mSuppressNotifications;
ContainerObserverList mRefreshParticipants;
void requestRefresh(nsNavHistoryContainerResultNode* aContainer);
void HandlePlacesEvent(const PlacesEventSequence& aEvents) override;
void OnMobilePrefChanged();
static void OnMobilePrefChangedCallback(const char* prefName, void* self);
protected:
virtual ~nsNavHistoryResult();
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsNavHistoryResult, NS_NAVHISTORYRESULT_IID)
// nsNavHistoryResultNode
//
// This is the base class for every node in a result set. The result itself
// is a node (nsNavHistoryResult inherits from this), as well as every
// leaf and branch on the tree.
#define NS_NAVHISTORYRESULTNODE_IID \
{ \
0x54b61d38, 0x57c1, 0x11da, { \
0x95, 0xb8, 0x00, 0x13, 0x21, 0xc9, 0xf6, 0x9e \
} \
}
// These are all the simple getters, they can be used for the result node
// implementation and all subclasses. More complex are GetIcon, GetParent
// (which depends on the definition of container result node), and GetUri
// (which is overridded for lazy construction for some containers).
#define NS_IMPLEMENT_SIMPLE_RESULTNODE \
NS_IMETHOD GetTitle(nsACString& aTitle) override { \
aTitle = mTitle; \
return NS_OK; \
} \
NS_IMETHOD GetAccessCount(uint32_t* aAccessCount) override { \
*aAccessCount = mAccessCount; \
return NS_OK; \
} \
NS_IMETHOD GetTime(PRTime* aTime) override { \
*aTime = mTime; \
return NS_OK; \
} \
NS_IMETHOD GetIndentLevel(int32_t* aIndentLevel) override { \
*aIndentLevel = mIndentLevel; \
return NS_OK; \
} \
NS_IMETHOD GetBookmarkIndex(int32_t* aIndex) override { \
*aIndex = mBookmarkIndex; \
return NS_OK; \
} \
NS_IMETHOD GetDateAdded(PRTime* aDateAdded) override { \
*aDateAdded = mDateAdded; \
return NS_OK; \
} \
NS_IMETHOD GetLastModified(PRTime* aLastModified) override { \
*aLastModified = mLastModified; \
return NS_OK; \
} \
NS_IMETHOD GetItemId(int64_t* aId) override { \
*aId = mItemId; \
return NS_OK; \
}
// This is used by the base classes instead of
// NS_FORWARD_NSINAVHISTORYRESULTNODE(nsNavHistoryResultNode) because they
// need to redefine GetType and GetUri rather than forwarding them. This
// implements all the simple getters instead of forwarding because they are so
// short and we can save a virtual function call.
//
// (GetUri is redefined only by QueryResultNode and FolderResultNode because
// the query might not necessarily be parsed. The rest just return the node's
// buffer.)
#define NS_FORWARD_COMMON_RESULTNODE_TO_BASE \
NS_IMPLEMENT_SIMPLE_RESULTNODE \
NS_IMETHOD GetIcon(nsACString& aIcon) override { \
return nsNavHistoryResultNode::GetIcon(aIcon); \
} \
NS_IMETHOD GetParent(nsINavHistoryContainerResultNode** aParent) override { \
return nsNavHistoryResultNode::GetParent(aParent); \
} \
NS_IMETHOD GetParentResult(nsINavHistoryResult** aResult) override { \
return nsNavHistoryResultNode::GetParentResult(aResult); \
} \
NS_IMETHOD GetTags(nsAString& aTags) override { \
return nsNavHistoryResultNode::GetTags(aTags); \
} \
NS_IMETHOD GetPageGuid(nsACString& aPageGuid) override { \
return nsNavHistoryResultNode::GetPageGuid(aPageGuid); \
} \
NS_IMETHOD GetBookmarkGuid(nsACString& aBookmarkGuid) override { \
return nsNavHistoryResultNode::GetBookmarkGuid(aBookmarkGuid); \
} \
NS_IMETHOD GetVisitId(int64_t* aVisitId) override { \
return nsNavHistoryResultNode::GetVisitId(aVisitId); \
} \
NS_IMETHOD GetFromVisitId(int64_t* aFromVisitId) override { \
return nsNavHistoryResultNode::GetFromVisitId(aFromVisitId); \
} \
NS_IMETHOD GetVisitType(uint32_t* aVisitType) override { \
return nsNavHistoryResultNode::GetVisitType(aVisitType); \
}
class nsNavHistoryResultNode : public nsINavHistoryResultNode {
public:
nsNavHistoryResultNode(const nsACString& aURI, const nsACString& aTitle,
uint32_t aAccessCount, PRTime aTime);
NS_DECLARE_STATIC_IID_ACCESSOR(NS_NAVHISTORYRESULTNODE_IID)
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(nsNavHistoryResultNode)
NS_IMPLEMENT_SIMPLE_RESULTNODE
NS_IMETHOD GetIcon(nsACString& aIcon) override;
NS_IMETHOD GetParent(nsINavHistoryContainerResultNode** aParent) override;
NS_IMETHOD GetParentResult(nsINavHistoryResult** aResult) override;
NS_IMETHOD GetType(uint32_t* type) override {
*type = nsNavHistoryResultNode::RESULT_TYPE_URI;
return NS_OK;
}
NS_IMETHOD GetUri(nsACString& aURI) override {
aURI = mURI;
return NS_OK;
}
NS_IMETHOD GetTags(nsAString& aTags) override;
NS_IMETHOD GetPageGuid(nsACString& aPageGuid) override;
NS_IMETHOD GetBookmarkGuid(nsACString& aBookmarkGuid) override;
NS_IMETHOD GetVisitId(int64_t* aVisitId) override;
NS_IMETHOD GetFromVisitId(int64_t* aFromVisitId) override;
NS_IMETHOD GetVisitType(uint32_t* aVisitType) override;
virtual void OnRemoving();
// Called from result's onItemChanged, see also bookmark observer declaration
// in nsNavHistoryFolderResultNode
NS_IMETHOD OnItemChanged(int64_t aItemId, const nsACString& aProperty,
bool aIsAnnotationProperty, const nsACString& aValue,
PRTime aNewLastModified, uint16_t aItemType,
int64_t aParentId, const nsACString& aGUID,
const nsACString& aParentGUID,
const nsACString& aOldValue, uint16_t aSource);
virtual nsresult OnMobilePrefChanged(bool newValue) { return NS_OK; };
protected:
virtual ~nsNavHistoryResultNode() = default;
public:
nsNavHistoryResult* GetResult();
// These functions test the type. We don't use a virtual function since that
// would take a vtable slot for every one of (potentially very many) nodes.
// Note that GetType() already has a vtable slot because its on the iface.
bool IsTypeContainer(uint32_t type) {
return type == nsINavHistoryResultNode::RESULT_TYPE_QUERY ||
type == nsINavHistoryResultNode::RESULT_TYPE_FOLDER ||
type == nsINavHistoryResultNode::RESULT_TYPE_FOLDER_SHORTCUT;
}
bool IsContainer() {
uint32_t type;
GetType(&type);
return IsTypeContainer(type);
}
static bool IsTypeURI(uint32_t type) {
return type == nsINavHistoryResultNode::RESULT_TYPE_URI;
}
bool IsURI() {
uint32_t type;
GetType(&type);
return IsTypeURI(type);
}
static bool IsTypeFolder(uint32_t type) {
return type == nsINavHistoryResultNode::RESULT_TYPE_FOLDER ||
type == nsINavHistoryResultNode::RESULT_TYPE_FOLDER_SHORTCUT;
}
bool IsFolder() {
uint32_t type;
GetType(&type);
return IsTypeFolder(type);
}
static bool IsTypeQuery(uint32_t type) {
return type == nsINavHistoryResultNode::RESULT_TYPE_QUERY;
}
bool IsQuery() {
uint32_t type;
GetType(&type);
return IsTypeQuery(type);
}
bool IsSeparator() {
uint32_t type;
GetType(&type);
return type == nsINavHistoryResultNode::RESULT_TYPE_SEPARATOR;
}
nsNavHistoryContainerResultNode* GetAsContainer() {
NS_ASSERTION(IsContainer(), "Not a container");
return reinterpret_cast<nsNavHistoryContainerResultNode*>(this);
}
nsNavHistoryFolderResultNode* GetAsFolder() {
NS_ASSERTION(IsFolder(), "Not a folder");
return reinterpret_cast<nsNavHistoryFolderResultNode*>(this);
}
nsNavHistoryQueryResultNode* GetAsQuery() {
NS_ASSERTION(IsQuery(), "Not a query");
return reinterpret_cast<nsNavHistoryQueryResultNode*>(this);
}
RefPtr<nsNavHistoryContainerResultNode> mParent;
nsCString mURI; // not necessarily valid for containers, call GetUri
nsCString mTitle;
nsString mTags;
bool mAreTagsSorted;
uint32_t mAccessCount;
int64_t mTime;
int32_t mBookmarkIndex;
int64_t mItemId;
int64_t mFolderId;
int64_t mVisitId;
int64_t mFromVisitId;
PRTime mDateAdded;
PRTime mLastModified;
// The indent level of this node. The root node will have a value of -1. The
// root's children will have a value of 0, and so on.
int32_t mIndentLevel;
// Frecency of the page. Valid only for URI nodes.
int32_t mFrecency;
// Hidden status of the page. Valid only for URI nodes.
bool mHidden;
// Transition type used when this node represents a single visit.
uint32_t mTransitionType;
// Unique Id of the page.
nsCString mPageGuid;
// Unique Id of the bookmark.
nsCString mBookmarkGuid;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsNavHistoryResultNode,
NS_NAVHISTORYRESULTNODE_IID)
// nsNavHistoryContainerResultNode
//
// This is the base class for all nodes that can have children. It is
// overridden for nodes that are dynamically populated such as queries and
// folders. It is used directly for simple containers such as host groups
// in history views.
// derived classes each provide their own implementation of has children and
// forward the rest to us using this macro
#define NS_FORWARD_CONTAINERNODE_EXCEPT_HASCHILDREN \
NS_IMETHOD GetState(uint16_t* _state) override { \
return nsNavHistoryContainerResultNode::GetState(_state); \
} \
NS_IMETHOD GetContainerOpen(bool* aContainerOpen) override { \
return nsNavHistoryContainerResultNode::GetContainerOpen(aContainerOpen); \
} \
NS_IMETHOD SetContainerOpen(bool aContainerOpen) override { \
return nsNavHistoryContainerResultNode::SetContainerOpen(aContainerOpen); \
} \
NS_IMETHOD GetChildCount(uint32_t* aChildCount) override { \
return nsNavHistoryContainerResultNode::GetChildCount(aChildCount); \
} \
NS_IMETHOD GetChild(uint32_t index, nsINavHistoryResultNode** _retval) \
override { \
return nsNavHistoryContainerResultNode::GetChild(index, _retval); \
} \
NS_IMETHOD GetChildIndex(nsINavHistoryResultNode* aNode, uint32_t* _retval) \
override { \
return nsNavHistoryContainerResultNode::GetChildIndex(aNode, _retval); \
}
#define NS_NAVHISTORYCONTAINERRESULTNODE_IID \
{ \
0x6e3bf8d3, 0x22aa, 0x4065, { \
0x86, 0xbc, 0x37, 0x46, 0xb5, 0xb3, 0x2c, 0xe8 \
} \
}
class nsNavHistoryContainerResultNode
: public nsNavHistoryResultNode,
public nsINavHistoryContainerResultNode {
public:
nsNavHistoryContainerResultNode(const nsACString& aURI,
const nsACString& aTitle, PRTime aTime,
uint32_t aContainerType,
nsNavHistoryQueryOptions* aOptions);
virtual nsresult Refresh();
NS_DECLARE_STATIC_IID_ACCESSOR(NS_NAVHISTORYCONTAINERRESULTNODE_IID)
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsNavHistoryContainerResultNode,
nsNavHistoryResultNode)
NS_FORWARD_COMMON_RESULTNODE_TO_BASE
NS_IMETHOD GetType(uint32_t* type) override {
*type = mContainerType;
return NS_OK;
}
NS_IMETHOD GetUri(nsACString& aURI) override {
aURI = mURI;
return NS_OK;
}
NS_DECL_NSINAVHISTORYCONTAINERRESULTNODE
public:
virtual void OnRemoving() override;
bool AreChildrenVisible();
// Overridded by descendents to populate.
virtual nsresult OpenContainer();
nsresult CloseContainer(bool aSuppressNotifications = false);
virtual nsresult OpenContainerAsync();
// This points to the result that owns this container. All containers have
// their result pointer set so we can quickly get to the result without having
// to walk the tree. Yet, this also saves us from storing a million pointers
// for every leaf node to the result.
RefPtr<nsNavHistoryResult> mResult;
// For example, RESULT_TYPE_QUERY. Query and Folder results override GetType
// so this is not used, but is still kept in sync.
uint32_t mContainerType;
// When there are children, this stores the open state in the tree
// this is set to the default in the constructor.
bool mExpanded;
// Filled in by the result type generator in nsNavHistory.
nsCOMArray<nsNavHistoryResultNode> mChildren;
// mOriginalOptions is the options object used to _define_ this specific
// container node. It may differ from mOptions, that is the options used
// to _fill_ this container node, because mOptions may be modified by
// the direct parent of this container node, see SetAsParentOfNode. For
// example, if the parent has excludeItems, options will have it too, even if
// originally this object was not defined with that option.
RefPtr<nsNavHistoryQueryOptions> mOriginalOptions;
RefPtr<nsNavHistoryQueryOptions> mOptions;
void FillStats();
// Sets this container as parent of aNode, propagating the appropriate
// options.
void SetAsParentOfNode(nsNavHistoryResultNode* aNode);
nsresult ReverseUpdateStats(int32_t aAccessCountChange);
// Sorting methods.
typedef nsCOMArray<nsNavHistoryResultNode>::TComparatorFunc SortComparator;
virtual uint16_t GetSortType();
static SortComparator GetSortingComparator(uint16_t aSortType);
virtual void RecursiveSort(SortComparator aComparator);
uint32_t FindInsertionPoint(nsNavHistoryResultNode* aNode,
SortComparator aComparator, bool* aItemExists);
bool DoesChildNeedResorting(uint32_t aIndex, SortComparator aComparator);
static int32_t SortComparison_StringLess(const nsAString& a,
const nsAString& b);
static int32_t SortComparison_Bookmark(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_TitleLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_TitleGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_DateLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_DateGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_URILess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_URIGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_VisitCountLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_VisitCountGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_DateAddedLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_DateAddedGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_LastModifiedLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_LastModifiedGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_TagsLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_TagsGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_FrecencyLess(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
static int32_t SortComparison_FrecencyGreater(nsNavHistoryResultNode* a,
nsNavHistoryResultNode* b,
void* closure);
// finding children: THESE DO NOT ADDREF
nsNavHistoryResultNode* FindChildURI(const nsACString& aSpec,
uint32_t* aNodeIndex);
// returns the index of the given node, -1 if not found
int32_t FindChild(nsNavHistoryResultNode* aNode) {
return mChildren.IndexOf(aNode);
}
nsNavHistoryResultNode* FindChildByGuid(const nsACString& guid,
int32_t* nodeIndex);
nsresult InsertChildAt(nsNavHistoryResultNode* aNode, int32_t aIndex);
nsresult InsertSortedChild(nsNavHistoryResultNode* aNode,
bool aIgnoreDuplicates = false);
bool EnsureItemPosition(uint32_t aIndex);
nsresult RemoveChildAt(int32_t aIndex);
void RecursiveFindURIs(bool aOnlyOne,
nsNavHistoryContainerResultNode* aContainer,
const nsCString& aSpec,
nsCOMArray<nsNavHistoryResultNode>* aMatches);
bool UpdateURIs(bool aRecursive, bool aOnlyOne, bool aUpdateSort,
const nsCString& aSpec,
nsresult (*aCallback)(nsNavHistoryResultNode*, const void*,
const nsNavHistoryResult*),
const void* aClosure);
nsresult ChangeTitles(nsIURI* aURI, const nsACString& aNewTitle,
bool aRecursive, bool aOnlyOne);
protected:
virtual ~nsNavHistoryContainerResultNode();
enum AsyncCanceledState { NOT_CANCELED, CANCELED, CANCELED_RESTART_NEEDED };
void CancelAsyncOpen(bool aRestart);
nsresult NotifyOnStateChange(uint16_t aOldState);
nsCOMPtr<mozIStoragePendingStatement> mAsyncPendingStmt;
AsyncCanceledState mAsyncCanceledState;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsNavHistoryContainerResultNode,
NS_NAVHISTORYCONTAINERRESULTNODE_IID)
// nsNavHistoryQueryResultNode
//
// Overridden container type for complex queries over history and/or
// bookmarks. This keeps itself in sync by listening to history and
// bookmark notifications.
class nsNavHistoryQueryResultNode final
: public nsNavHistoryContainerResultNode,
public nsINavHistoryQueryResultNode,
public nsINavBookmarkObserver {
public:
nsNavHistoryQueryResultNode(const nsACString& aTitle, PRTime aTime,
const nsACString& aQueryURI,
const RefPtr<nsNavHistoryQuery>& aQuery,
const RefPtr<nsNavHistoryQueryOptions>& aOptions);
NS_DECL_ISUPPORTS_INHERITED
NS_FORWARD_COMMON_RESULTNODE_TO_BASE
NS_IMETHOD GetType(uint32_t* type) override {
*type = nsNavHistoryResultNode::RESULT_TYPE_QUERY;
return NS_OK;
}
NS_IMETHOD GetUri(nsACString& aURI) override; // does special lazy creation
NS_FORWARD_CONTAINERNODE_EXCEPT_HASCHILDREN
NS_IMETHOD GetHasChildren(bool* aHasChildren) override;
NS_DECL_NSINAVHISTORYQUERYRESULTNODE
virtual nsresult OnMobilePrefChanged(bool newValue) override;
bool CanExpand();
bool IsContainersQuery();
virtual nsresult OpenContainer() override;
NS_DECL_BOOKMARK_HISTORY_OBSERVER_INTERNAL
nsresult OnItemAdded(int64_t aItemId, int64_t aParentId, int32_t aIndex,
uint16_t aItemType, nsIURI* aURI, PRTime aDateAdded,
const nsACString& aGUID, const nsACString& aParentGUID,
uint16_t aSource);
nsresult OnItemRemoved(int64_t aItemId, int64_t aParentFolder, int32_t aIndex,
uint16_t aItemType, nsIURI* aURI,
const nsACString& aGUID, const nsACString& aParentGUID,
uint16_t aSource);
// The internal version has an output aAdded parameter, it is incremented by
// query nodes when the visited uri belongs to them. If no such query exists,
// the history result creates a new query node dynamically.
nsresult OnVisit(nsIURI* aURI, int64_t aVisitId, PRTime aTime,
uint32_t aTransitionType, bool aHidden, uint32_t* aAdded);
virtual void OnRemoving() override;
public:
RefPtr<nsNavHistoryQuery> mQuery;
uint32_t mLiveUpdate; // one of QUERYUPDATE_* in nsNavHistory.h
bool mHasSearchTerms;
// safe options getter, ensures query is parsed
nsNavHistoryQueryOptions* Options();
// this indicates whether the query contents are valid, they don't go away
// after the container is closed until a notification comes in
bool mContentsValid;
nsresult FillChildren();
void ClearChildren(bool unregister);
nsresult Refresh() override;
virtual uint16_t GetSortType() override;
virtual void RecursiveSort(SortComparator aComparator) override;
nsresult NotifyIfTagsChanged(nsIURI* aURI);
uint32_t mBatchChanges;
// Tracks transition type filters.
nsTArray<uint32_t> mTransitions;
protected:
virtual ~nsNavHistoryQueryResultNode();
};
// nsNavHistoryFolderResultNode
//
// Overridden container type for bookmark folders. It will keep the contents
// of the folder in sync with the bookmark service.
class nsNavHistoryFolderResultNode final
: public nsNavHistoryContainerResultNode,
public nsINavHistoryQueryResultNode,
public nsINavBookmarkObserver,
public mozilla::places::WeakAsyncStatementCallback {
public:
nsNavHistoryFolderResultNode(const nsACString& aTitle,
nsNavHistoryQueryOptions* options,
int64_t aFolderId);
NS_DECL_ISUPPORTS_INHERITED
NS_FORWARD_COMMON_RESULTNODE_TO_BASE
NS_IMETHOD GetType(uint32_t* type) override {
if (mTargetFolderItemId != mItemId) {
*type = nsNavHistoryResultNode::RESULT_TYPE_FOLDER_SHORTCUT;
} else {
*type = nsNavHistoryResultNode::RESULT_TYPE_FOLDER;
}
return NS_OK;
}
NS_IMETHOD GetUri(nsACString& aURI) override;
NS_FORWARD_CONTAINERNODE_EXCEPT_HASCHILDREN
NS_IMETHOD GetHasChildren(bool* aHasChildren) override;
NS_DECL_NSINAVHISTORYQUERYRESULTNODE
virtual nsresult OpenContainer() override;
virtual nsresult OpenContainerAsync() override;
NS_DECL_ASYNCSTATEMENTCALLBACK
// This object implements a bookmark observer interface. This is called from
// the result's actual observer and it knows all observers are
// FolderResultNodes
NS_DECL_NSINAVBOOKMARKOBSERVER
nsresult OnItemAdded(int64_t aItemId, int64_t aParentId, int32_t aIndex,
uint16_t aItemType, nsIURI* aURI, PRTime aDateAdded,
const nsACString& aGUID, const nsACString& aParentGUID,
uint16_t aSource);
nsresult OnItemRemoved(int64_t aItemId, int64_t aParentFolder, int32_t aIndex,
uint16_t aItemType, nsIURI* aURI,
const nsACString& aGUID, const nsACString& aParentGUID,
uint16_t aSource);
virtual void OnRemoving() override;
// this indicates whether the folder contents are valid, they don't go away
// after the container is closed until a notification comes in
bool mContentsValid;
// If the node is generated from a place:folder=X query, this is the target
// folder id and GUID. For regular folder nodes, they are set to the same
// values as mItemId and mBookmarkGuid. For more complex queries, they are set
// to -1/an empty string.
int64_t mTargetFolderItemId;
nsCString mTargetFolderGuid;
nsresult FillChildren();
void ClearChildren(bool aUnregister);
nsresult Refresh() override;
bool StartIncrementalUpdate();
void ReindexRange(int32_t aStartIndex, int32_t aEndIndex, int32_t aDelta);
nsNavHistoryResultNode* FindChildById(int64_t aItemId, uint32_t* aNodeIndex);
protected:
virtual ~nsNavHistoryFolderResultNode();
private:
nsresult OnChildrenFilled();
void EnsureRegisteredAsFolderObserver();
nsresult FillChildrenAsync();
bool mIsRegisteredFolderObserver;
int32_t mAsyncBookmarkIndex;
};
// nsNavHistorySeparatorResultNode
//
// Separator result nodes do not hold any data.
class nsNavHistorySeparatorResultNode : public nsNavHistoryResultNode {
public:
nsNavHistorySeparatorResultNode();
NS_IMETHOD GetType(uint32_t* type) override {
*type = nsNavHistoryResultNode::RESULT_TYPE_SEPARATOR;
return NS_OK;
}
};
#endif // nsNavHistoryResult_h_
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