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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /toolkit/components/typeaheadfind/nsTypeAheadFind.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'toolkit/components/typeaheadfind/nsTypeAheadFind.h')
-rw-r--r-- | toolkit/components/typeaheadfind/nsTypeAheadFind.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/toolkit/components/typeaheadfind/nsTypeAheadFind.h b/toolkit/components/typeaheadfind/nsTypeAheadFind.h new file mode 100644 index 000000000..8ff5ad1bf --- /dev/null +++ b/toolkit/components/typeaheadfind/nsTypeAheadFind.h @@ -0,0 +1,134 @@ +/* -*- 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 "nsCycleCollectionParticipant.h" +#include "nsISelectionController.h" +#include "nsIController.h" +#include "nsIControllers.h" +#include "nsIObserver.h" +#include "nsUnicharUtils.h" +#include "nsIFind.h" +#include "nsIWebBrowserFind.h" +#include "nsWeakReference.h" +#include "nsISelection.h" +#include "nsIDOMRange.h" +#include "nsIDocShellTreeItem.h" +#include "nsITypeAheadFind.h" +#include "nsISound.h" + +class nsPIDOMWindowInner; +class nsIPresShell; +class nsPresContext; + +#define TYPEAHEADFIND_NOTFOUND_WAV_URL \ + "chrome://global/content/notfound.wav" + +class nsTypeAheadFind : public nsITypeAheadFind, + public nsIObserver, + public nsSupportsWeakReference +{ +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(); + void PlayNotFoundSound(); + nsresult GetWebBrowserFind(nsIDocShell *aDocShell, + nsIWebBrowserFind **aWebBrowserFind); + + void RangeStartsInsideLink(nsIDOMRange *aRange, nsIPresShell *aPresShell, + bool *aIsInsideLink, bool *aIsStartingLink); + + void GetSelection(nsIPresShell *aPresShell, nsISelectionController **aSelCon, + nsISelection **aDomSel); + // *aNewRange may not be collapsed. If you want to collapse it in a + // particular way, you need to do it yourself. + bool IsRangeVisible(nsIPresShell *aPresShell, nsPresContext *aPresContext, + nsIDOMRange *aRange, bool aMustBeVisible, + bool aGetTopVisibleLeaf, nsIDOMRange **aNewRange, + bool *aUsesIndependentSelection); + nsresult FindItNow(nsIPresShell *aPresShell, bool aIsLinksOnly, + bool aIsFirstVisiblePreferred, bool aFindPrev, + uint16_t* aResult); + nsresult GetSearchContainers(nsISupports *aContainer, + nsISelectionController *aSelectionController, + bool aIsFirstVisiblePreferred, + bool aFindPrev, nsIPresShell **aPresShell, + nsPresContext **aPresContext); + + // Get the pres shell from mPresShell and return it only if it is still + // attached to the DOM window. + already_AddRefed<nsIPresShell> GetPresShell(); + + void ReleaseStrongMemberVariables(); + + // Current find state + nsString mTypeAheadBuffer; + nsCString mNotFoundSoundURL; + + // PRBools are used instead of PRPackedBools because the address of the + // boolean variable is getting passed into a method. + bool mStartLinksOnlyPref; + bool mCaretBrowsingOn; + bool mDidAddObservers; + nsCOMPtr<nsIDOMElement> mFoundLink; // Most recent elem found, if a link + nsCOMPtr<nsIDOMElement> mFoundEditable; // Most recent elem found, if editable + nsCOMPtr<nsIDOMRange> mFoundRange; // Most recent range found + nsCOMPtr<nsPIDOMWindowInner> mCurrentWindow; + // mLastFindLength is the character length of the last find string. It is used for + // disabling the "not found" sound when using backspace or delete + uint32_t mLastFindLength; + + // Sound is played asynchronously on some platforms. + // If we destroy mSoundInterface before sound has played, it won't play + nsCOMPtr<nsISound> mSoundInterface; + bool mIsSoundInitialized; + + // where selection was when user started the find + nsCOMPtr<nsIDOMRange> mStartFindRange; + nsCOMPtr<nsIDOMRange> mSearchRange; + nsCOMPtr<nsIDOMRange> mStartPointRange; + nsCOMPtr<nsIDOMRange> mEndPointRange; + + // Cached useful interfaces + nsCOMPtr<nsIFind> mFind; + + bool mCaseSensitive; + bool mEntireWord; + + bool EnsureFind() { + if (mFind) { + return true; + } + + mFind = do_CreateInstance("@mozilla.org/embedcomp/rangefind;1"); + if (!mFind) { + return false; + } + + mFind->SetCaseSensitive(mCaseSensitive); + mFind->SetEntireWord(mEntireWord); + + return true; + } + + nsCOMPtr<nsIWebBrowserFind> mWebBrowserFind; + + // The focused content window that we're listening to and its cached objects + nsWeakPtr mDocShell; + nsWeakPtr mPresShell; + nsWeakPtr mSelectionController; + // Most recent match's controller +}; |