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/* -*- Mode: C++; tab-width: 2; 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/. */
#include "mozilla/GlobalTeardownObserver.h"
#include "mozilla/WeakPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISelectionController.h"
#include "nsIDocShell.h"
#include "nsIObserver.h"
#include "nsIFind.h"
#include "nsIWebBrowserFind.h"
#include "nsWeakReference.h"
#include "nsITypeAheadFind.h"
class nsPIDOMWindowInner;
class nsPresContext;
class nsRange;
namespace mozilla {
class PresShell;
namespace dom {
class Document;
class Element;
class Selection;
} // namespace dom
} // namespace mozilla
class nsTypeAheadFind : public nsITypeAheadFind,
public nsIObserver,
public nsSupportsWeakReference,
public mozilla::GlobalTeardownObserver {
public:
nsTypeAheadFind();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSITYPEAHEADFIND
NS_DECL_NSIOBSERVER
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTypeAheadFind, nsITypeAheadFind)
protected:
virtual ~nsTypeAheadFind();
nsresult PrefsReset();
void SaveFind();
nsresult GetWebBrowserFind(nsIDocShell* aDocShell,
nsIWebBrowserFind** aWebBrowserFind);
MOZ_CAN_RUN_SCRIPT nsresult FindInternal(uint32_t aMode,
const nsAString& aSearchString,
bool aLinksOnly,
bool aDontIterateFrames,
uint16_t* aResult);
void RangeStartsInsideLink(nsRange* aRange, bool* aIsInsideLink,
bool* aIsStartingLink);
void GetSelection(mozilla::PresShell* aPresShell,
nsISelectionController** aSelCon,
mozilla::dom::Selection** aDomSel);
bool IsRangeVisible(nsRange* aRange, bool aMustBeVisible,
bool aGetTopVisibleLeaf, bool* aUsesIndependentSelection);
bool IsRangeRendered(nsRange* aRange);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
nsresult FindItNow(uint32_t aMode, bool aIsLinksOnly,
bool aIsFirstVisiblePreferred, bool aDontIterateFrames,
uint16_t* aResult);
nsresult GetSearchContainers(nsISupports* aContainer,
nsISelectionController* aSelectionController,
bool aIsFirstVisiblePreferred, bool aFindPrev,
mozilla::PresShell** aPresShell,
nsPresContext** aPresContext);
// Get the document we should search on.
already_AddRefed<mozilla::dom::Document> GetDocument();
void DisconnectFromOwner() override;
void ReleaseStrongMemberVariables();
void ReleaseFoundResultsAndDisconnect();
void SetCurrentWindow(nsPIDOMWindowInner* aWindow);
// Current find state
nsString mTypeAheadBuffer;
// PRBools are used instead of PRPackedBools because the address of the
// boolean variable is getting passed into a method.
bool mStartLinksOnlyPref;
bool mDidAddObservers;
nsCOMPtr<mozilla::dom::Element>
mFoundLink; // Most recent elem found, if a link
nsCOMPtr<mozilla::dom::Element>
mFoundEditable; // Most recent elem found, if editable
RefPtr<nsRange> mFoundRange; // Most recent range found
// where selection was when user started the find
RefPtr<nsRange> mStartFindRange;
RefPtr<nsRange> mSearchRange;
RefPtr<nsRange> mStartPointRange;
RefPtr<nsRange> mEndPointRange;
// Cached useful interfaces
nsCOMPtr<nsIFind> mFind;
bool mCaseSensitive;
bool mEntireWord;
bool mMatchDiacritics;
bool EnsureFind() {
if (mFind) {
return true;
}
mFind = do_CreateInstance("@mozilla.org/embedcomp/rangefind;1");
if (!mFind) {
return false;
}
mFind->SetCaseSensitive(mCaseSensitive);
mFind->SetEntireWord(mEntireWord);
mFind->SetMatchDiacritics(mMatchDiacritics);
return true;
}
nsCOMPtr<nsIWebBrowserFind> mWebBrowserFind;
// The focused content window that we're listening to and its cached objects.
// This is always the root of the subtree we're finding.
nsWeakPtr mDocShell;
// The document where we're currently searching.
mozilla::WeakPtr<mozilla::dom::Document> mDocument;
nsWeakPtr mSelectionController;
// Most recent match's controller
};
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