1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/tree/nsTreeContentView.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,101 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsTreeContentView_h__
1.10 +#define nsTreeContentView_h__
1.11 +
1.12 +#include "nsAutoPtr.h"
1.13 +#include "nsCycleCollectionParticipant.h"
1.14 +#include "nsTArray.h"
1.15 +#include "nsStubDocumentObserver.h"
1.16 +#include "nsITreeBoxObject.h"
1.17 +#include "nsITreeColumns.h"
1.18 +#include "nsITreeView.h"
1.19 +#include "nsITreeContentView.h"
1.20 +#include "nsITreeSelection.h"
1.21 +#include "mozilla/Attributes.h"
1.22 +
1.23 +class nsIDocument;
1.24 +class Row;
1.25 +
1.26 +nsresult NS_NewTreeContentView(nsITreeView** aResult);
1.27 +
1.28 +class nsTreeContentView MOZ_FINAL : public nsINativeTreeView,
1.29 + public nsITreeContentView,
1.30 + public nsStubDocumentObserver
1.31 +{
1.32 + public:
1.33 + nsTreeContentView(void);
1.34 +
1.35 + ~nsTreeContentView(void);
1.36 +
1.37 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.38 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTreeContentView,
1.39 + nsINativeTreeView)
1.40 +
1.41 + NS_DECL_NSITREEVIEW
1.42 + // nsINativeTreeView: Untrusted code can use us
1.43 + NS_IMETHOD EnsureNative() MOZ_OVERRIDE { return NS_OK; }
1.44 +
1.45 + NS_DECL_NSITREECONTENTVIEW
1.46 +
1.47 + // nsIDocumentObserver
1.48 + NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
1.49 + NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
1.50 + NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
1.51 + NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
1.52 + NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
1.53 +
1.54 + static bool CanTrustTreeSelection(nsISupports* aValue);
1.55 +
1.56 + protected:
1.57 + // Recursive methods which deal with serializing of nested content.
1.58 + void Serialize(nsIContent* aContent, int32_t aParentIndex, int32_t* aIndex,
1.59 + nsTArray<nsAutoPtr<Row> >& aRows);
1.60 +
1.61 + void SerializeItem(nsIContent* aContent, int32_t aParentIndex,
1.62 + int32_t* aIndex, nsTArray<nsAutoPtr<Row> >& aRows);
1.63 +
1.64 + void SerializeSeparator(nsIContent* aContent, int32_t aParentIndex,
1.65 + int32_t* aIndex, nsTArray<nsAutoPtr<Row> >& aRows);
1.66 +
1.67 + void GetIndexInSubtree(nsIContent* aContainer, nsIContent* aContent, int32_t* aResult);
1.68 +
1.69 + // Helper methods which we use to manage our plain array of rows.
1.70 + int32_t EnsureSubtree(int32_t aIndex);
1.71 +
1.72 + int32_t RemoveSubtree(int32_t aIndex);
1.73 +
1.74 + int32_t InsertRow(int32_t aParentIndex, int32_t aIndex, nsIContent* aContent);
1.75 +
1.76 + void InsertRowFor(nsIContent* aParent, nsIContent* aChild);
1.77 +
1.78 + int32_t RemoveRow(int32_t aIndex);
1.79 +
1.80 + void ClearRows();
1.81 +
1.82 + void OpenContainer(int32_t aIndex);
1.83 +
1.84 + void CloseContainer(int32_t aIndex);
1.85 +
1.86 + int32_t FindContent(nsIContent* aContent);
1.87 +
1.88 + void UpdateSubtreeSizes(int32_t aIndex, int32_t aCount);
1.89 +
1.90 + void UpdateParentIndexes(int32_t aIndex, int32_t aSkip, int32_t aCount);
1.91 +
1.92 + // Content helpers.
1.93 + nsIContent* GetCell(nsIContent* aContainer, nsITreeColumn* aCol);
1.94 +
1.95 + private:
1.96 + nsCOMPtr<nsITreeBoxObject> mBoxObject;
1.97 + nsCOMPtr<nsITreeSelection> mSelection;
1.98 + nsCOMPtr<nsIContent> mRoot;
1.99 + nsCOMPtr<nsIContent> mBody;
1.100 + nsIDocument* mDocument; // WEAK
1.101 + nsTArray<nsAutoPtr<Row> > mRows;
1.102 +};
1.103 +
1.104 +#endif // nsTreeContentView_h__
