зеркало из https://github.com/mozilla/gecko-dev.git
Not part of build. Bug 30088 - type ahead find. Add support for nsITypeAheadFind.
This commit is contained in:
aaronl%netscape.com
Родитель
c4f3c92577
Коммит
7ec85c02cf
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@ -55,7 +55,13 @@ interface nsIDOMEvent;
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[uuid(AD1C62CC-72F4-4c5b-BE78-503854F9E0D8)]
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interface nsITypeAheadFind : nsISupports
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{
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void handleEvent(in nsIDOMEvent event);
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readonly attribute boolean isActive; // Is type ahead find mode currently on
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void startNewFind(in nsIDOMWindow aWindow, in boolean aLinksOnly);
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void cancelFind(); // Cancel type ahead find mode
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void setAutoStart(in nsIDOMWindow aWindow, in boolean aAutoStartOn);
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boolean getAutoStart(in nsIDOMWindow aWindow);
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};
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@ -49,6 +49,7 @@
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#include "nsCURILoader.h"
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#include "nsIDocShell.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIEditorDocShell.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMWindowInternal.h"
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@ -121,10 +122,10 @@ PRInt32 nsTypeAheadFind::gAccelKey = -1; // magic value of -1 indicates unitial
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nsTypeAheadFind::nsTypeAheadFind():
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mFocusedWindow(nsnull), mFind(nsnull),
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mLinksOnlyPref(PR_FALSE), mLinksOnly(PR_FALSE), mIsTypeAheadOn(PR_FALSE),
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mCaretBrowsingOn(PR_FALSE), mLiteralTextSearchOnly(PR_FALSE), mKeepSelectionOnCancel(PR_FALSE),
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mDontTryExactMatch(PR_FALSE), mRepeatingMode(eRepeatingNone), mTimeoutLength(0),
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mFind(do_CreateInstance(NS_FIND_CONTRACTID)),
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mFindService(do_GetService("@mozilla.org/find/find_service;1"))
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{
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NS_INIT_REFCNT();
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@ -136,8 +137,17 @@ nsTypeAheadFind::nsTypeAheadFind():
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NS_ASSERTION(gInstanceCount == 1, "There should be only 1 instance of nsTypeAheadFind, someone is creating more than 1.");
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#endif
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if (!mFindService || NS_FAILED(NS_NewISupportsArray(getter_AddRefs(mManualFindWindows))))
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return;
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nsCOMPtr<nsIPref> prefs(do_GetService(NS_PREF_CONTRACTID));
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if (mFind && prefs) {
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if (!prefs)
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return;
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mFind = do_CreateInstance(NS_FIND_CONTRACTID);
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if (!mFind)
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return; // mFind is always null when we are not correctly initialized
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AddRef();
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// ----------- Set search options ---------------
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@ -145,7 +155,7 @@ nsTypeAheadFind::nsTypeAheadFind():
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mFind->SetWordBreaker(nsnull);
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// ----------- Get initial preferences ----------
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nsTypeAheadFind::TypeAheadFindPrefsReset("", NS_STATIC_CAST(void*, this));
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TypeAheadFindPrefsReset("", NS_STATIC_CAST(void*, this));
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// ----------- Listen to prefs ------------------
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prefs->RegisterCallback("accessibility.typeaheadfind", (PrefChangedFunc)nsTypeAheadFind::TypeAheadFindPrefsReset, NS_STATIC_CAST(void*, this));
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@ -153,7 +163,6 @@ nsTypeAheadFind::nsTypeAheadFind():
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// ----------- Get accel key --------------------
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prefs->GetIntPref("ui.key.accelKey", &gAccelKey);
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}
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}
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@ -204,6 +213,7 @@ int PR_CALLBACK nsTypeAheadFind::TypeAheadFindPrefsReset(const char* aPrefName,
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nsCOMPtr<nsIWebProgress> progress(do_GetService(NS_DOCUMENTLOADER_SERVICE_CONTRACTID));
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if (progress) {
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if (!typeAheadFind->mIsTypeAheadOn) {
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typeAheadFind->CancelFind();
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typeAheadFind->RemoveCurrentSelectionListener();
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typeAheadFind->RemoveCurrentScrollPositionListener();
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typeAheadFind->RemoveCurrentKeypressListener();
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@ -242,24 +252,20 @@ NS_IMETHODIMP nsTypeAheadFind::OnStateChange(nsIWebProgress *aWebProgress,
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/* PRUint32 aStateFlags ...
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*
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* ===== What has happened =====
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* STATE_START, STATE_REDIRECTING, STATE_TRANSFERRING,
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* STATE_NEGOTIATING, STATE_STOP
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* ===== Where did it occur? =====
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* STATE_IS_REQUEST, STATE_IS_DOCUMENT, STATE_IS_NETWORK, STATE_IS_WINDOW
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* ===== Security info =====
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* STATE_IS_INSECURE, STATE_IS_BROKEN, STATE_IS_SECURE, STATE_SECURE_HIGH
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* STATE_SECURE_MED, STATE_SECURE_LOW
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* STATE_START=1, STATE_REDIRECTING=2, STATE_TRANSFERRING=4,
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* STATE_NEGOTIATING=8, STATE_STOP=0x10
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*
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* ===== Where did it occur? =====
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* STATE_IS_REQUEST=0x1000, STATE_IS_DOCUMENT=0x2000, STATE_IS_NETWORK=0x4000, STATE_IS_WINDOW=0x8000
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*/
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if ((aStateFlags & STATE_IS_DOCUMENT|STATE_TRANSFERRING) != (STATE_IS_DOCUMENT|STATE_TRANSFERRING))
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if ((aStateFlags & (STATE_IS_DOCUMENT|STATE_TRANSFERRING)) != (STATE_IS_DOCUMENT|STATE_TRANSFERRING) || !mFind)
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return NS_OK;
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nsCOMPtr<nsIDOMWindow> domWindow;
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aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
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if (!domWindow)
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nsCOMPtr<nsISupports> windowSupports(do_QueryInterface(domWindow));
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if (!domWindow || mManualFindWindows->IndexOf(windowSupports) >= 0)
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return NS_OK;
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nsCOMPtr<nsIDOMDocument> domDoc;
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domWindow->GetDocument(getter_AddRefs(domDoc));
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@ -286,7 +292,15 @@ NS_IMETHODIMP nsTypeAheadFind::OnStateChange(nsIWebProgress *aWebProgress,
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if (itemType == nsIDocShellTreeItem::typeChrome)
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return NS_OK;
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// XXX this manual check for the mailnews message pane looks like a hack, but is necessary.
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// Check for editor or message pane
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nsCOMPtr<nsIEditorDocShell> editorDocShell(do_QueryInterface(treeItem));
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if (editorDocShell) {
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PRBool isEditable;
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editorDocShell->GetEditable(&isEditable);
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if (isEditable)
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return NS_OK;
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}
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// XXX this manual id check for the mailnews message pane looks like a hack, but is necessary.
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// We conflict with mailnews single key shortcuts like "n" for next unread message.
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// We need this manual check in Mozilla 1.0 and Netscape 7.0
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// because people will be using XPI's to install us there, so we have to do our check from here
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@ -298,18 +312,21 @@ NS_IMETHODIMP nsTypeAheadFind::OnStateChange(nsIWebProgress *aWebProgress,
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parentDoc->FindContentForSubDocument(doc, getter_AddRefs(browserElementContent)); // content for <browser>
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nsCOMPtr<nsIDOMElement> browserElement(do_QueryInterface(browserElementContent));
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if (browserElement) {
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nsAutoString id;
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nsAutoString id, tagName, autoFind;
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browserElement->GetLocalName(tagName);
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browserElement->GetAttribute(NS_LITERAL_STRING("id"), id);
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if (id.EqualsWithConversion("messagepane"))
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browserElement->GetAttribute(NS_LITERAL_STRING("autofind"), autoFind);
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if (tagName.EqualsWithConversion("editor") || id.EqualsWithConversion("messagepane") ||
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autoFind.EqualsWithConversion("false")) {
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SetAutoStart(domWindow, PR_FALSE);
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return NS_OK;
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}
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}
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}
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nsCOMPtr<nsIDOMEventTarget> eventTarget(do_QueryInterface(domWindow));
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if (eventTarget) {
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RemoveCurrentWindowFocusListener();
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if (eventTarget)
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AttachNewWindowFocusListener(eventTarget);
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}
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return NS_OK;
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}
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@ -369,21 +386,22 @@ NS_IMETHODIMP nsTypeAheadFind::Focus(nsIDOMEvent* aEvent)
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domNode->GetOwnerDocument(getter_AddRefs(domDoc));
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if (!domDoc)
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domDoc = do_QueryInterface(domNode);
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nsCOMPtr<nsIDocument> targetDoc(do_QueryInterface(domDoc));
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if (!targetDoc)
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nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
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if (!doc)
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return NS_OK;
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nsCOMPtr<nsIDOMEventTarget> docTarget(do_QueryInterface(domDoc));
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nsCOMPtr<nsIScriptGlobalObject> ourGlobal;
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targetDoc->GetScriptGlobalObject(getter_AddRefs(ourGlobal));
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doc->GetScriptGlobalObject(getter_AddRefs(ourGlobal));
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nsCOMPtr<nsIDOMWindow> domWin(do_QueryInterface(ourGlobal));
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nsCOMPtr<nsIDOMEventTarget> rootTarget(do_QueryInterface(domWin));
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if (!rootTarget || domWin == mFocusedWindow)
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return NS_OK;
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if (!rootTarget || (domWin == mFocusedWindow && docTarget != domEventTarget))
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return NS_OK; // Return early for elements focused within currently focused document
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// Focus event -- possibly trigger keypress event listening
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// Focus event in a new doc -- trigger keypress event listening
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nsCOMPtr<nsIPresShell> presShell;
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targetDoc->GetShellAt(0, getter_AddRefs(presShell));
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doc->GetShellAt(0, getter_AddRefs(presShell));
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if (!presShell)
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return NS_OK;
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@ -394,14 +412,6 @@ NS_IMETHODIMP nsTypeAheadFind::Focus(nsIDOMEvent* aEvent)
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mFocusedWindow = domWin;
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mFocusedWeakShell = do_GetWeakReference(presShell);
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PRInt16 isEditor;
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presShell->GetSelectionFlags(&isEditor);
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if (isEditor == nsISelectionDisplay::DISPLAY_ALL) {
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// This is an editor window, we don't want to listen to any of its events
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RemoveCurrentWindowFocusListener();
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return NS_OK;
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}
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// Add scroll position and selection listeners, so we can cancel current find when user navigates
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GetSelection(presShell, nsnull, getter_AddRefs(mFocusedDocSelCon),
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getter_AddRefs(mFocusedDocSelection)); // cache for reuse
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@ -424,6 +434,8 @@ NS_IMETHODIMP nsTypeAheadFind::Blur(nsIDOMEvent* aEvent)
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RemoveCurrentSelectionListener();
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RemoveCurrentScrollPositionListener();
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RemoveCurrentKeypressListener();
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CancelFind();
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mFocusedWindow = nsnull;
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}
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return NS_OK;
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@ -454,6 +466,12 @@ NS_IMETHODIMP nsTypeAheadFind::Unload(nsIDOMEvent* aEvent)
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if (domEventTarget) {
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domEventTarget->RemoveEventListener(NS_LITERAL_STRING("focus"), NS_STATIC_CAST(nsIDOMFocusListener*, this), PR_FALSE);
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domEventTarget->RemoveEventListener(NS_LITERAL_STRING("unload"), NS_STATIC_CAST(nsIDOMLoadListener*, this), PR_FALSE);
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nsCOMPtr<nsIDOMWindow> domWin(do_QueryInterface(domEventTarget));
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if (domWin) { // Remove from list of manual find windows, because window pointer is no longer value
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SetAutoStart(domWin, PR_TRUE);
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if (mFocusedWindow == domWin)
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mFocusedWindow = nsnull;
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}
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}
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return NS_OK;
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@ -534,6 +552,10 @@ NS_IMETHODIMP nsTypeAheadFind::KeyPress(nsIDOMEvent* aEvent)
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if (localSelection != mFocusedDocSelection || !mFocusedDocSelection)
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return NS_OK; // Different selection for this node/frame. Must be in editable control.
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PRBool isFirstVisiblePreferred = PR_FALSE;
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PRBool isBackspace = PR_FALSE; // When backspace is pressed
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PRBool isLinksOnly = mLinksOnly;
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// ------------- Escape pressed ---------------------
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if (keyCode == nsIDOMKeyEvent::DOM_VK_ESCAPE) {
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// Escape accomplishes 2 things:
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@ -546,13 +568,8 @@ NS_IMETHODIMP nsTypeAheadFind::KeyPress(nsIDOMEvent* aEvent)
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CancelFind();
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return NS_OK;
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}
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PRBool isFirstVisiblePreferred = PR_FALSE;
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PRBool isBackspace = PR_FALSE; // When backspace is pressed
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PRBool isLinksOnly = mLinksOnly;
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// ----------- Back space ----------------------
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if (keyCode == nsIDOMKeyEvent::DOM_VK_BACK_SPACE) {
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else if (keyCode == nsIDOMKeyEvent::DOM_VK_BACK_SPACE) {
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if (mTypeAheadBuffer.IsEmpty())
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return NS_OK;
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aEvent->PreventDefault(); // If back space is normally used for a command, don't do it
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@ -1028,9 +1045,69 @@ NS_IMETHODIMP nsTypeAheadFind::NotifySelectionChanged(nsIDOMDocument *aDoc, nsIS
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}
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// ------- Helper Methods ---------------
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// ---------------- nsITypeAheadFind --------------------
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void nsTypeAheadFind::CancelFind()
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NS_IMETHODIMP nsTypeAheadFind::GetIsActive(PRBool *aIsActive)
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{
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*aIsActive = !mTypeAheadBuffer.IsEmpty();
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return NS_OK;
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}
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/*
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* Start new type ahead find manually
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*/
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NS_IMETHODIMP nsTypeAheadFind::StartNewFind(nsIDOMWindow *aWindow, PRBool aLinksOnly)
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{
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if (!mFind)
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return NS_ERROR_FAILURE; // Type Ahead Find not correctly initialized
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nsCOMPtr<nsIDOMWindowInternal> windowInternal(do_QueryInterface(aWindow));
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if (!windowInternal)
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return NS_ERROR_FAILURE;
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CancelFind(); // Reset. Clears out type ahead find in manual find windows completely
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mLinksOnly = aLinksOnly;
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nsCOMPtr<nsIDOMEventTarget> eventTarget(do_QueryInterface(aWindow));
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if (!eventTarget)
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return NS_ERROR_FAILURE;
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RemoveCurrentWindowFocusListener();
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AttachNewWindowFocusListener(eventTarget);
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windowInternal->Focus(); // This should get chain of events started for auto find.
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return NS_OK;
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}
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NS_IMETHODIMP nsTypeAheadFind::SetAutoStart(nsIDOMWindow *aWindow, PRBool aAutoStartOn)
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{
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nsCOMPtr<nsISupports> windowSupports(do_QueryInterface(aWindow));
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PRInt32 index = mManualFindWindows->IndexOf(windowSupports);
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if (aAutoStartOn) {
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if (index >= 0)
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mManualFindWindows->RemoveElementAt(index); // Remove from list of windows requiring manual find
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}
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else if (index < 0) // Should be in list of windows requiring manual find
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mManualFindWindows->InsertElementAt(windowSupports, 0);
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return NS_OK;
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}
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NS_IMETHODIMP nsTypeAheadFind::GetAutoStart(nsIDOMWindow *aWindow, PRBool *aIsAutoStartOn)
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{
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nsCOMPtr<nsISupports> windowSupports(do_QueryInterface(aWindow));
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*aIsAutoStartOn = mManualFindWindows->IndexOf(windowSupports) < 0; // If not stored in manual find windows list
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return NS_OK;
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}
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NS_IMETHODIMP nsTypeAheadFind::CancelFind()
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{
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// Stop current find if:
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// 1. Escape pressed
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@ -1055,9 +1132,22 @@ void nsTypeAheadFind::CancelFind()
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mLiteralTextSearchOnly = PR_FALSE;
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mDontTryExactMatch = PR_FALSE;
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mStartFindRange = nsnull;
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nsCOMPtr<nsISupports> windowSupports(do_QueryInterface(mFocusedWindow));
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if (mManualFindWindows->IndexOf(windowSupports) >= 0) {
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SetAutoStart(mFocusedWindow, PR_FALSE);
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RemoveCurrentKeypressListener();
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RemoveCurrentWindowFocusListener();
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RemoveCurrentSelectionListener();
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RemoveCurrentScrollPositionListener();
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}
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return NS_OK;
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}
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// ------- Helper Methods ---------------
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void nsTypeAheadFind::RemoveCurrentScrollPositionListener()
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{
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nsCOMPtr<nsIPresShell> presShell(do_QueryReferent(mFocusedWeakShell));
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@ -60,6 +60,7 @@
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#include "nsIDOMWindow.h"
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#include "nsITypeAheadFind.h"
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#include "nsIStringBundle.h"
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#include "nsISupportsArray.h"
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#define TYPEAHEADFIND_BUNDLE_URL "chrome://typeaheadfind/locale/typeaheadfind.properties"
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@ -82,6 +83,7 @@ public:
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NS_DECL_ISUPPORTS // This macro expands into declaration of nsISupports interface
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NS_DECL_NSIWEBPROGRESSLISTENER
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NS_DECL_NSITYPEAHEADFIND
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// ----- nsIDOMEventListener --------------------------
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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@ -131,7 +133,6 @@ protected:
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PRBool *aIsInsideLink, PRBool *aIsStartingLink);
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void GetSelection(nsIPresShell *aPresShell, // If aCurrentNode is nsnull, gets selection for document
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nsIDOMNode *aCurrentNode, nsISelectionController **aSelCon, nsISelection **aDomSel);
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void CancelFind();
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PRBool IsRangeVisible(nsIPresShell *aPresShell, nsIPresContext *aPresContext,
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nsIDOMRange *aRange, PRBool aMustBeVisible, nsIDOMRange **aNewRange);
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nsresult FindItNow(PRBool aIsRepeatingSameChar, PRBool aIsLinksOnly, PRBool aIsFirstVisiblePreferred, PRBool aIsBackspace);
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@ -178,4 +179,7 @@ protected:
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nsCOMPtr<nsISelectionController> mFocusedDocSelCon;
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nsCOMPtr<nsIDOMWindow> mFocusedWindow;
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nsCOMPtr<nsIWeakReference> mFocusedWeakShell;
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// The windows where type ahead find does not start automatically as the user types
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nsCOMPtr<nsISupportsArray> mManualFindWindows;
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};
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