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Bug 168281. Make typeaheadfind work with IME. Also fixes repated char find so it handles backspace, findnext, findprev. Also refactors typeaheadfind into smaller, clearer methods. r=kyle, sr=alecf.

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aaronl%netscape.com 2002-10-03 20:12:46 +00:00
parent 3a14e570f3
commit dd4d9b7553
2 changed files with 638 additions and 368 deletions
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975
extensions/typeaheadfind/src/nsTypeAheadFind.cpp
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31
extensions/typeaheadfind/src/nsTypeAheadFind.h
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@ -40,6 +40,8 @@
#include "nsIDOMEventListener.h"
#include "nsIDOMKeyListener.h"
#include "nsIDOMTextListener.h"
#include "nsIDOMCompositionListener.h"
#include "nsIScrollPositionListener.h"
#include "nsISelectionListener.h"
#include "nsISelectionController.h"
@ -66,7 +68,7 @@
enum {
eRepeatingNone,
eRepeatingChar,
eRepeatingReverseChar,
eRepeatingCharReverse,
eRepeatingForward,
eRepeatingReverse
};
@ -75,6 +77,8 @@ const int kMaxBadCharsBeforeCancel = 3;
class nsTypeAheadFind : public nsITypeAheadFind,
public nsIDOMKeyListener,
public nsIDOMTextListener,
public nsIDOMCompositionListener,
public nsIObserver,
public nsIScrollPositionListener,
public nsISelectionListener,
@ -98,6 +102,15 @@ public:
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
// ----- nsIDOMTextListener ----------------------------
NS_IMETHOD HandleText(nsIDOMEvent* aTextEvent);
// ----- nsIDOMCompositionListener ----------------------------
NS_IMETHOD HandleStartComposition(nsIDOMEvent* aCompositionEvent);
NS_IMETHOD HandleEndComposition(nsIDOMEvent* aCompositionEvent);
NS_IMETHOD HandleQueryComposition(nsIDOMEvent* aCompositionEvent);
NS_IMETHOD HandleQueryReconversion(nsIDOMEvent* aCompositionEvent);
// ----- nsIScrollPositionListener --------------------
NS_IMETHOD ScrollPositionWillChange(nsIScrollableView *aView,
nscoord aX, nscoord aY);
@ -114,6 +127,9 @@ protected:
static int PR_CALLBACK PrefsReset(const char* aPrefName, void* instance);
// Helper methods
nsresult HandleChar(PRUnichar aChar);
void HandleBackspace();
void SaveFind();
nsresult GetWebBrowserFind(nsIWebBrowserFind **aWebBrowserFind);
void StartTimeout();
nsresult Init();
@ -130,6 +146,10 @@ protected:
void RangeStartsInsideLink(nsIDOMRange *aRange, nsIPresShell *aPresShell,
PRBool *aIsInsideLink, PRBool *aIsStartingLink);
nsresult GetTargetIfTypeAheadOkay(nsIDOMEvent *aEvent,
nsIContent **aTargetContent,
nsIPresShell **aTargetPresShell);
// Get selection and selection controller for current pres shell
void GetSelection(nsIPresShell *aPresShell, nsISelectionController **aSelCon,
nsISelection **aDomSel);
@ -137,8 +157,8 @@ protected:
nsIDOMRange *aRange, PRBool aMustBeVisible,
PRBool aGetTopVisibleLeaf,
nsIDOMRange **aNewRange);
nsresult FindItNow(PRBool aIsRepeatingSameChar, PRBool aIsLinksOnly,
PRBool aIsFirstVisiblePreferred, PRBool aIsBackspace);
nsresult FindItNow(nsIPresShell *aPresShell, PRBool aIsRepeatingSameChar,
PRBool aIsLinksOnly, PRBool aIsFirstVisiblePreferred);
nsresult GetSearchContainers(nsISupports *aContainer,
PRBool aIsRepeatingSameChar,
PRBool aIsFirstVisiblePreferred,
@ -146,7 +166,7 @@ protected:
nsIPresShell **aPresShell,
nsIPresContext **aPresContext);
void DisplayStatus(PRBool aSuccess, nsIContent *aFocusedContent,
PRBool aClearStatus);
PRBool aClearStatus, const PRUnichar *aText = nsnull);
nsresult GetTranslatedString(const nsAString& aKey, nsAString& aStringOut);
// Used by GetInstance and ReleaseInstance
@ -155,6 +175,7 @@ protected:
// Current find state
nsString mTypeAheadBuffer;
nsString mFindNextBuffer;
nsString mIMEString;
// PRBool's are used instead of PRPackedBool's where the address of the
// boolean variable is getting passed into a method. For example:
@ -176,11 +197,11 @@ protected:
PRPackedBool mIsMenuBarActive;
PRPackedBool mIsMenuPopupActive;
PRPackedBool mIsFirstVisiblePreferred;
PRPackedBool mIsIMETypeAheadActive;
PRInt32 mBadKeysSinceMatch;
PRInt32 mRepeatingMode;
PRInt32 mTimeoutLength; // time in ms before find is automatically cancelled
static PRInt32 sAccelKey; // magic value of -1 indicates unitialized state
// where selection was when user started the find