зеркало из https://github.com/mozilla/gecko-dev.git
165 строки
6.1 KiB
C++
165 строки
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 nsTreeContentView_h__
|
|
#define nsTreeContentView_h__
|
|
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsTArray.h"
|
|
#include "nsStubDocumentObserver.h"
|
|
#include "nsITreeView.h"
|
|
#include "nsITreeSelection.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
|
|
class nsSelection;
|
|
class nsTreeColumn;
|
|
class Row;
|
|
|
|
namespace mozilla {
|
|
class ErrorResult;
|
|
|
|
namespace dom {
|
|
class DataTransfer;
|
|
class Document;
|
|
class Element;
|
|
class XULTreeElement;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
nsresult NS_NewTreeContentView(nsITreeView** aResult);
|
|
|
|
class nsTreeContentView final : public nsITreeView,
|
|
public nsStubDocumentObserver,
|
|
public nsWrapperCache {
|
|
typedef mozilla::dom::Element Element;
|
|
|
|
public:
|
|
nsTreeContentView(void);
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS_AMBIGUOUS(nsTreeContentView,
|
|
nsITreeView)
|
|
|
|
virtual JSObject* WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) override;
|
|
nsISupports* GetParentObject();
|
|
|
|
int32_t RowCount() { return mRows.Length(); }
|
|
nsITreeSelection* GetSelection() { return mSelection; }
|
|
void SetSelection(nsITreeSelection* aSelection, mozilla::ErrorResult& aError);
|
|
void GetRowProperties(int32_t aRow, nsAString& aProperties,
|
|
mozilla::ErrorResult& aError);
|
|
void GetCellProperties(int32_t aRow, nsTreeColumn& aColumn,
|
|
nsAString& aProperies, mozilla::ErrorResult& aError);
|
|
void GetColumnProperties(nsTreeColumn& aColumn, nsAString& aProperies);
|
|
bool IsContainer(int32_t aRow, mozilla::ErrorResult& aError);
|
|
bool IsContainerOpen(int32_t aRow, mozilla::ErrorResult& aError);
|
|
bool IsContainerEmpty(int32_t aRow, mozilla::ErrorResult& aError);
|
|
bool IsSeparator(int32_t aRow, mozilla::ErrorResult& aError);
|
|
bool IsSorted() { return false; }
|
|
bool CanDrop(int32_t aRow, int32_t aOrientation,
|
|
mozilla::dom::DataTransfer* aDataTransfer,
|
|
mozilla::ErrorResult& aError);
|
|
void Drop(int32_t aRow, int32_t aOrientation,
|
|
mozilla::dom::DataTransfer* aDataTransfer,
|
|
mozilla::ErrorResult& aError);
|
|
int32_t GetParentIndex(int32_t aRow, mozilla::ErrorResult& aError);
|
|
bool HasNextSibling(int32_t aRow, int32_t aAfterIndex,
|
|
mozilla::ErrorResult& aError);
|
|
int32_t GetLevel(int32_t aRow, mozilla::ErrorResult& aError);
|
|
void GetImageSrc(int32_t aRow, nsTreeColumn& aColumn, nsAString& aSrc,
|
|
mozilla::ErrorResult& aError);
|
|
void GetCellValue(int32_t aRow, nsTreeColumn& aColumn, nsAString& aValue,
|
|
mozilla::ErrorResult& aError);
|
|
void GetCellText(int32_t aRow, nsTreeColumn& aColumn, nsAString& aText,
|
|
mozilla::ErrorResult& aError);
|
|
void SetTree(mozilla::dom::XULTreeElement* aTree,
|
|
mozilla::ErrorResult& aError);
|
|
void ToggleOpenState(int32_t aRow, mozilla::ErrorResult& aError);
|
|
void CycleHeader(nsTreeColumn& aColumn, mozilla::ErrorResult& aError);
|
|
void SelectionChanged() {}
|
|
void CycleCell(int32_t aRow, nsTreeColumn& aColumn) {}
|
|
bool IsEditable(int32_t aRow, nsTreeColumn& aColumn,
|
|
mozilla::ErrorResult& aError);
|
|
void SetCellValue(int32_t aRow, nsTreeColumn& aColumn,
|
|
const nsAString& aValue, mozilla::ErrorResult& aError);
|
|
void SetCellText(int32_t aRow, nsTreeColumn& aColumn, const nsAString& aText,
|
|
mozilla::ErrorResult& aError);
|
|
Element* GetItemAtIndex(int32_t aRow, mozilla::ErrorResult& aError);
|
|
int32_t GetIndexOfItem(Element* aItem);
|
|
|
|
NS_DECL_NSITREEVIEW
|
|
|
|
// nsIDocumentObserver
|
|
NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
|
|
NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
|
|
NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
|
|
NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
|
|
NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
|
|
|
|
static bool CanTrustTreeSelection(nsISupports* aValue);
|
|
|
|
protected:
|
|
~nsTreeContentView(void);
|
|
|
|
// Recursive methods which deal with serializing of nested content.
|
|
void Serialize(nsIContent* aContent, int32_t aParentIndex, int32_t* aIndex,
|
|
nsTArray<mozilla::UniquePtr<Row>>& aRows);
|
|
|
|
void SerializeItem(Element* aContent, int32_t aParentIndex, int32_t* aIndex,
|
|
nsTArray<mozilla::UniquePtr<Row>>& aRows);
|
|
|
|
void SerializeSeparator(Element* aContent, int32_t aParentIndex,
|
|
int32_t* aIndex,
|
|
nsTArray<mozilla::UniquePtr<Row>>& aRows);
|
|
|
|
void GetIndexInSubtree(nsIContent* aContainer, nsIContent* aContent,
|
|
int32_t* aResult);
|
|
|
|
// Helper methods which we use to manage our plain array of rows.
|
|
int32_t EnsureSubtree(int32_t aIndex);
|
|
|
|
int32_t RemoveSubtree(int32_t aIndex);
|
|
|
|
int32_t InsertRow(int32_t aParentIndex, int32_t aIndex, nsIContent* aContent);
|
|
|
|
void InsertRowFor(nsIContent* aParent, nsIContent* aChild);
|
|
|
|
int32_t RemoveRow(int32_t aIndex);
|
|
|
|
void ClearRows();
|
|
|
|
void OpenContainer(int32_t aIndex);
|
|
|
|
void CloseContainer(int32_t aIndex);
|
|
|
|
int32_t FindContent(nsIContent* aContent);
|
|
|
|
void UpdateSubtreeSizes(int32_t aIndex, int32_t aCount);
|
|
|
|
void UpdateParentIndexes(int32_t aIndex, int32_t aSkip, int32_t aCount);
|
|
|
|
bool CanDrop(int32_t aRow, int32_t aOrientation,
|
|
mozilla::ErrorResult& aError);
|
|
void Drop(int32_t aRow, int32_t aOrientation, mozilla::ErrorResult& aError);
|
|
|
|
// Content helpers.
|
|
Element* GetCell(nsIContent* aContainer, nsTreeColumn& aCol);
|
|
|
|
private:
|
|
bool IsValidRowIndex(int32_t aRowIndex);
|
|
|
|
RefPtr<mozilla::dom::XULTreeElement> mTree;
|
|
nsCOMPtr<nsITreeSelection> mSelection;
|
|
nsCOMPtr<nsIContent> mBody;
|
|
mozilla::dom::Document* mDocument; // WEAK
|
|
nsTArray<mozilla::UniquePtr<Row>> mRows;
|
|
};
|
|
|
|
#endif // nsTreeContentView_h__
|