mirror of
https://github.com/classilla/tenfourfox.git
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133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCycleCollectionParticipant.h"
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#include "nsISelectionController.h"
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#include "nsIController.h"
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#include "nsIControllers.h"
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#include "nsIObserver.h"
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#include "nsUnicharUtils.h"
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#include "nsIFind.h"
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#include "nsIWebBrowserFind.h"
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#include "nsWeakReference.h"
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#include "nsISelection.h"
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#include "nsIDOMRange.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsITypeAheadFind.h"
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#include "nsISound.h"
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class nsIPresShell;
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class nsPresContext;
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#define TYPEAHEADFIND_NOTFOUND_WAV_URL \
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"chrome://global/content/notfound.wav"
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class nsTypeAheadFind : public nsITypeAheadFind,
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public nsIObserver,
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public nsSupportsWeakReference
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{
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public:
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nsTypeAheadFind();
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_NSITYPEAHEADFIND
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NS_DECL_NSIOBSERVER
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTypeAheadFind, nsITypeAheadFind)
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protected:
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virtual ~nsTypeAheadFind();
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nsresult PrefsReset();
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void SaveFind();
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void PlayNotFoundSound();
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nsresult GetWebBrowserFind(nsIDocShell *aDocShell,
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nsIWebBrowserFind **aWebBrowserFind);
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void RangeStartsInsideLink(nsIDOMRange *aRange, nsIPresShell *aPresShell,
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bool *aIsInsideLink, bool *aIsStartingLink);
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void GetSelection(nsIPresShell *aPresShell, nsISelectionController **aSelCon,
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nsISelection **aDomSel);
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// *aNewRange may not be collapsed. If you want to collapse it in a
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// particular way, you need to do it yourself.
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bool IsRangeVisible(nsIPresShell *aPresShell, nsPresContext *aPresContext,
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nsIDOMRange *aRange, bool aMustBeVisible,
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bool aGetTopVisibleLeaf, nsIDOMRange **aNewRange,
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bool *aUsesIndependentSelection);
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nsresult FindItNow(nsIPresShell *aPresShell, bool aIsLinksOnly,
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bool aIsFirstVisiblePreferred, bool aFindPrev,
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uint16_t* aResult);
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nsresult GetSearchContainers(nsISupports *aContainer,
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nsISelectionController *aSelectionController,
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bool aIsFirstVisiblePreferred,
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bool aFindPrev, nsIPresShell **aPresShell,
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nsPresContext **aPresContext);
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// Get the pres shell from mPresShell and return it only if it is still
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// attached to the DOM window.
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already_AddRefed<nsIPresShell> GetPresShell();
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void ReleaseStrongMemberVariables();
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// Current find state
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nsString mTypeAheadBuffer;
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nsCString mNotFoundSoundURL;
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// PRBools are used instead of PRPackedBools because the address of the
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// boolean variable is getting passed into a method.
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bool mStartLinksOnlyPref;
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bool mCaretBrowsingOn;
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bool mDidAddObservers;
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nsCOMPtr<nsIDOMElement> mFoundLink; // Most recent elem found, if a link
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nsCOMPtr<nsIDOMElement> mFoundEditable; // Most recent elem found, if editable
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nsCOMPtr<nsIDOMRange> mFoundRange; // Most recent range found
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nsCOMPtr<nsIDOMWindow> mCurrentWindow;
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// mLastFindLength is the character length of the last find string. It is used for
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// disabling the "not found" sound when using backspace or delete
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uint32_t mLastFindLength;
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// Sound is played asynchronously on some platforms.
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// If we destroy mSoundInterface before sound has played, it won't play
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nsCOMPtr<nsISound> mSoundInterface;
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bool mIsSoundInitialized;
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// where selection was when user started the find
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nsCOMPtr<nsIDOMRange> mStartFindRange;
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nsCOMPtr<nsIDOMRange> mSearchRange;
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nsCOMPtr<nsIDOMRange> mStartPointRange;
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nsCOMPtr<nsIDOMRange> mEndPointRange;
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// Cached useful interfaces
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nsCOMPtr<nsIFind> mFind;
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bool mCaseSensitive;
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bool EnsureFind() {
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if (mFind) {
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return true;
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}
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mFind = do_CreateInstance("@mozilla.org/embedcomp/rangefind;1");
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if (!mFind) {
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return false;
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}
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mFind->SetCaseSensitive(mCaseSensitive);
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mFind->SetWordBreaker(nullptr);
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return true;
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}
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nsCOMPtr<nsIWebBrowserFind> mWebBrowserFind;
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// The focused content window that we're listening to and its cached objects
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nsWeakPtr mDocShell;
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nsWeakPtr mPresShell;
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nsWeakPtr mSelectionController;
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// Most recent match's controller
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};
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