1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/components/typeaheadfind/nsTypeAheadFind.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,127 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 +#include "nsCycleCollectionParticipant.h"
1.10 +#include "nsISelectionController.h"
1.11 +#include "nsIController.h"
1.12 +#include "nsIControllers.h"
1.13 +#include "nsIObserver.h"
1.14 +#include "nsUnicharUtils.h"
1.15 +#include "nsIFind.h"
1.16 +#include "nsIWebBrowserFind.h"
1.17 +#include "nsWeakReference.h"
1.18 +#include "nsISelection.h"
1.19 +#include "nsIDOMRange.h"
1.20 +#include "nsIDocShellTreeItem.h"
1.21 +#include "nsITypeAheadFind.h"
1.22 +#include "nsISound.h"
1.23 +
1.24 +class nsIPresShell;
1.25 +class nsPresContext;
1.26 +
1.27 +#define TYPEAHEADFIND_NOTFOUND_WAV_URL \
1.28 + "chrome://global/content/notfound.wav"
1.29 +
1.30 +class nsTypeAheadFind : public nsITypeAheadFind,
1.31 + public nsIObserver,
1.32 + public nsSupportsWeakReference
1.33 +{
1.34 +public:
1.35 + nsTypeAheadFind();
1.36 + virtual ~nsTypeAheadFind();
1.37 +
1.38 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.39 + NS_DECL_NSITYPEAHEADFIND
1.40 + NS_DECL_NSIOBSERVER
1.41 +
1.42 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTypeAheadFind, nsITypeAheadFind)
1.43 +
1.44 +protected:
1.45 + nsresult PrefsReset();
1.46 +
1.47 + void SaveFind();
1.48 + void PlayNotFoundSound();
1.49 + nsresult GetWebBrowserFind(nsIDocShell *aDocShell,
1.50 + nsIWebBrowserFind **aWebBrowserFind);
1.51 +
1.52 + void RangeStartsInsideLink(nsIDOMRange *aRange, nsIPresShell *aPresShell,
1.53 + bool *aIsInsideLink, bool *aIsStartingLink);
1.54 +
1.55 + void GetSelection(nsIPresShell *aPresShell, nsISelectionController **aSelCon,
1.56 + nsISelection **aDomSel);
1.57 + // *aNewRange may not be collapsed. If you want to collapse it in a
1.58 + // particular way, you need to do it yourself.
1.59 + bool IsRangeVisible(nsIPresShell *aPresShell, nsPresContext *aPresContext,
1.60 + nsIDOMRange *aRange, bool aMustBeVisible,
1.61 + bool aGetTopVisibleLeaf, nsIDOMRange **aNewRange,
1.62 + bool *aUsesIndependentSelection);
1.63 + nsresult FindItNow(nsIPresShell *aPresShell, bool aIsLinksOnly,
1.64 + bool aIsFirstVisiblePreferred, bool aFindPrev,
1.65 + uint16_t* aResult);
1.66 + nsresult GetSearchContainers(nsISupports *aContainer,
1.67 + nsISelectionController *aSelectionController,
1.68 + bool aIsFirstVisiblePreferred,
1.69 + bool aFindPrev, nsIPresShell **aPresShell,
1.70 + nsPresContext **aPresContext);
1.71 +
1.72 + // Get the pres shell from mPresShell and return it only if it is still
1.73 + // attached to the DOM window.
1.74 + NS_HIDDEN_(already_AddRefed<nsIPresShell>) GetPresShell();
1.75 +
1.76 + // Current find state
1.77 + nsString mTypeAheadBuffer;
1.78 + nsCString mNotFoundSoundURL;
1.79 +
1.80 + // PRBools are used instead of PRPackedBools because the address of the
1.81 + // boolean variable is getting passed into a method.
1.82 + bool mStartLinksOnlyPref;
1.83 + bool mCaretBrowsingOn;
1.84 + nsCOMPtr<nsIDOMElement> mFoundLink; // Most recent elem found, if a link
1.85 + nsCOMPtr<nsIDOMElement> mFoundEditable; // Most recent elem found, if editable
1.86 + nsCOMPtr<nsIDOMWindow> mCurrentWindow;
1.87 + // mLastFindLength is the character length of the last find string. It is used for
1.88 + // disabling the "not found" sound when using backspace or delete
1.89 + uint32_t mLastFindLength;
1.90 +
1.91 + // Sound is played asynchronously on some platforms.
1.92 + // If we destroy mSoundInterface before sound has played, it won't play
1.93 + nsCOMPtr<nsISound> mSoundInterface;
1.94 + bool mIsSoundInitialized;
1.95 +
1.96 + // where selection was when user started the find
1.97 + nsCOMPtr<nsIDOMRange> mStartFindRange;
1.98 + nsCOMPtr<nsIDOMRange> mSearchRange;
1.99 + nsCOMPtr<nsIDOMRange> mStartPointRange;
1.100 + nsCOMPtr<nsIDOMRange> mEndPointRange;
1.101 +
1.102 + // Cached useful interfaces
1.103 + nsCOMPtr<nsIFind> mFind;
1.104 +
1.105 + bool mCaseSensitive;
1.106 +
1.107 + bool EnsureFind() {
1.108 + if (mFind) {
1.109 + return true;
1.110 + }
1.111 +
1.112 + mFind = do_CreateInstance("@mozilla.org/embedcomp/rangefind;1");
1.113 + if (!mFind) {
1.114 + return false;
1.115 + }
1.116 +
1.117 + mFind->SetCaseSensitive(mCaseSensitive);
1.118 + mFind->SetWordBreaker(nullptr);
1.119 +
1.120 + return true;
1.121 + }
1.122 +
1.123 + nsCOMPtr<nsIWebBrowserFind> mWebBrowserFind;
1.124 +
1.125 + // The focused content window that we're listening to and its cached objects
1.126 + nsWeakPtr mDocShell;
1.127 + nsWeakPtr mPresShell;
1.128 + nsWeakPtr mSelectionController;
1.129 + // Most recent match's controller
1.130 +};
