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bug #40867 (r=bzarsky@mit.edu, sr=jst@netscape.com, a=asa@mozilla.org) Add new caching API to allow view-source to load from the cache and not the network.

This commit is contained in:
rpotts%netscape.com 2002-04-01 21:22:27 +00:00
Родитель 5c7f2573a8
Коммит 9c126b069b
14 изменённых файлов: 293 добавлений и 2070 удалений
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37
docshell/base/MANIFEST_IDL
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@ -1,37 +0,0 @@
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
#
# This is a list of local files which get copied to the mozilla:idl directory
#
nsCDocShell.idl
nsCDefaultURIFixup.idl
nsIDocShell.idl
nsIDocShellLoadInfo.idl
nsIDocShellTreeItem.idl
nsIDocShellTreeNode.idl
nsIDocShellTreeOwner.idl
nsIMarkupDocumentViewer.idl
nsIScrollable.idl
nsITextScroll.idl
nsIContentViewer.idl
nsIContentViewerEdit.idl
nsIContentViewerFile.idl
nsIURIFixup.idl
nsIEditorDocShell.idl

1
docshell/base/Makefile.in
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@ -81,6 +81,7 @@ XPIDLSRCS = \
nsIContentViewerFile.idl \
nsIURIFixup.idl \
nsIEditorDocShell.idl \
nsIWebPageDescriptor.idl \
$(NULL)
CPPSRCS = \

97
docshell/base/makefile.win
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@ -1,97 +0,0 @@
#!nmake
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Mozilla browser.
#
# The Initial Developer of the Original Code is Netscape
# Communications, Inc. Portions created by Netscape are
# Copyright (C) 1999, Mozilla. All Rights Reserved.
#
# Contributor(s):
# Travis Bogard <travis@netscape.com>
DEPTH=..\..
MODULE=docshell
XPIDL_MODULE=docshell_base
REQUIRES = xpcom \
string \
caps \
necko \
layout \
dom \
js \
uriloader \
exthandler \
htmlparser \
view \
pref \
locale \
webBrowser_core \
xpconnect \
widget \
shistory \
intl \
plugin \
webshell \
chardet \
uconv \
content_xul \
find \
nkcache \
content \
gfx \
history \
composer \
commandhandler \
editor \
$(NULL)
LIBRARY_NAME=basedocshell_s
XPIDLSRCS= \
.\nsCDocShell.idl \
.\nsCDefaultURIFixup.idl \
.\nsIDocShell.idl \
.\nsIDocShellHistory.idl \
.\nsIDocShellLoadInfo.idl \
.\nsIDocShellTreeItem.idl \
.\nsIDocShellTreeNode.idl \
.\nsIDocShellTreeOwner.idl \
.\nsIContentViewer.idl \
.\nsIContentViewerEdit.idl \
.\nsIContentViewerFile.idl \
.\nsIMarkupDocumentViewer.idl \
.\nsIScrollable.idl \
.\nsITextScroll.idl \
.\nsIWebNavigation.idl \
.\nsIURIFixup.idl \
.\nsIEditorDocShell.idl \
$(NULL)
CPP_OBJS= \
.\$(OBJDIR)\nsDocShell.obj \
.\$(OBJDIR)\nsDocShellEditorData.obj \
.\$(OBJDIR)\nsWebShell.obj \
.\$(OBJDIR)\nsDocShellEnumerator.obj \
.\$(OBJDIR)\nsDocShellLoadInfo.obj \
.\$(OBJDIR)\nsDSURIContentListener.obj \
.\$(OBJDIR)\nsDefaultURIFixup.obj \
$(NULL)
include <$(DEPTH)\config\rules.mak>
include <$(DEPTH)\config\config.mak>
nsDocShell.cpp : nsDocShell.h
libs:: $(LIBRARY)
$(MAKE_INSTALL) $(LIBRARY) $(DIST)\lib

120
docshell/base/nsDocShell.cpp
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@ -271,6 +271,7 @@ NS_INTERFACE_MAP_BEGIN(nsDocShell)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_ENTRY(nsIContentViewerContainer)
NS_INTERFACE_MAP_ENTRY(nsIEditorDocShell)
NS_INTERFACE_MAP_ENTRY(nsIWebPageDescriptor)
NS_INTERFACE_MAP_END_THREADSAFE
///*****************************************************************************
@ -2552,6 +2553,83 @@ nsDocShell::GetSessionHistory(nsISHistory ** aSessionHistory)
}
//*****************************************************************************
// nsDocShell::nsIWebPageDescriptor
//*****************************************************************************
NS_IMETHODIMP
nsDocShell::LoadPage(nsISupports *aPageDescriptor, PRUint32 aDisplayType)
{
nsresult rv;
nsCOMPtr<nsISHEntry> shEntry(do_QueryInterface(aPageDescriptor));
// Currently, the opaque 'page descriptor' is an nsISHEntry...
if (!shEntry) {
return NS_ERROR_INVALID_POINTER;
}
//
// load the page as view-source
//
if (nsIWebPageDescriptor::DISPLAY_AS_SOURCE == aDisplayType) {
nsCOMPtr<nsIHistoryEntry> srcHE(do_QueryInterface(shEntry));
nsCOMPtr<nsIURI> oldUri, newUri;
nsCString spec, newSpec;
// Create a new view-source URI and replace the original.
rv = srcHE->GetURI(getter_AddRefs(oldUri));
if (NS_FAILED(rv))
return rv;
oldUri->GetSpec(spec);
newSpec.Append(NS_LITERAL_CSTRING("view-source:"));
newSpec.Append(spec);
rv = NS_NewURI(getter_AddRefs(newUri), newSpec);
if (NS_FAILED(rv)) {
return rv;
}
shEntry->SetURI(newUri);
// NULL out inappropriate cloned attributes...
shEntry->SetParent(nsnull);
shEntry->SetIsSubFrame(PR_FALSE);
}
rv = LoadHistoryEntry(shEntry, LOAD_HISTORY);
return rv;
}
NS_IMETHODIMP
nsDocShell::GetCurrentDescriptor(nsISupports **aPageDescriptor)
{
nsresult rv;
nsCOMPtr<nsISHEntry> src;
if (!aPageDescriptor) {
return NS_ERROR_NULL_POINTER;
}
*aPageDescriptor = nsnull;
src = mOSHE ? mOSHE : mLSHE;
if (src) {
nsCOMPtr<nsISupports> sup;;
nsCOMPtr<nsISHEntry> dest;
rv = src->Clone(getter_AddRefs(dest));
if (NS_FAILED(rv)) {
return rv;
}
sup = do_QueryInterface(dest);
*aPageDescriptor = sup;
NS_ADDREF(*aPageDescriptor);
}
return (*aPageDescriptor) ? NS_OK : NS_ERROR_FAILURE;
}
//*****************************************************************************
// nsDocShell::nsIBaseWindow
//*****************************************************************************
@ -5600,46 +5678,16 @@ nsDocShell::CloneAndReplace(nsISHEntry * src, PRUint32 aCloneID,
NS_IF_ADDREF(*resultEntry);
}
else {
nsCOMPtr<nsIURI> uri;
nsCOMPtr<nsIInputStream> postdata;
nsCOMPtr<nsILayoutHistoryState> LHS;
nsCOMPtr<nsIURI> referrerURI;
PRUnichar *title = nsnull;
nsCOMPtr<nsISHEntry> parent;
PRBool expirationStatus;
PRBool layoutStatus;
nsCOMPtr<nsISupports> cacheKey;
PRUint32 id;
result = nsComponentManager::CreateInstance(NS_SHENTRY_CONTRACTID, NULL,
NS_GET_IID(nsISHEntry),
(void **) &dest);
// Clone the SHEntry...
result = src->Clone(&dest);
if (NS_FAILED(result))
return result;
srcHE->GetURI(getter_AddRefs(uri));
src->GetReferrerURI(getter_AddRefs(referrerURI));
src->GetPostData(getter_AddRefs(postdata));
srcHE->GetTitle(&title);
src->GetLayoutHistoryState(getter_AddRefs(LHS));
//XXX Is this correct? parent is a weak ref in nsISHEntry
src->GetParent(getter_AddRefs(parent));
src->GetID(&id);
src->GetExpirationStatus(&expirationStatus);
src->GetSaveLayoutStateFlag(&layoutStatus);
src->GetCacheKey(getter_AddRefs(cacheKey));
// XXX do we care much about valid values for these uri, title etc....
dest->SetURI(uri);
dest->SetReferrerURI(referrerURI);
dest->SetPostData(postdata);
dest->SetLayoutHistoryState(LHS);
dest->SetTitle(title);
dest->SetParent(parent);
dest->SetID(id);
// This entry is for a frame...
dest->SetIsSubFrame(PR_TRUE);
dest->SetExpirationStatus(expirationStatus);
dest->SetSaveLayoutStateFlag(layoutStatus);
dest->SetCacheKey(cacheKey);
// Transfer the owning reference to 'resultEntry'. From this point on
// 'dest' is *not* an owning reference...
*resultEntry = dest;
PRInt32 childCount = 0;

3
docshell/base/nsDocShell.h
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@ -71,6 +71,7 @@
#include "nsISupportsArray.h"
#include "nsITimerCallback.h"
#include "nsIWebNavigation.h"
#include "nsIWebPageDescriptor.h"
#include "nsIWebProgressListener.h"
#include "nsISHContainer.h"
#include "nsIDocShellLoadInfo.h"
@ -154,6 +155,7 @@ class nsDocShell : public nsIDocShell,
public nsIRefreshURI,
public nsIWebProgressListener,
public nsIEditorDocShell,
public nsIWebPageDescriptor,
public nsSupportsWeakReference
{
friend class nsDSURIContentListener;
@ -179,6 +181,7 @@ public:
NS_DECL_NSIREFRESHURI
NS_DECL_NSICONTENTVIEWERCONTAINER
NS_DECL_NSIEDITORDOCSHELL
NS_DECL_NSIWEBPAGEDESCRIPTOR
nsresult SetLoadCookie(nsISupports * aCookie);
nsresult GetLoadCookie(nsISupports ** aResult);

65
docshell/base/nsIWebPageDescriptor.idl Normal file
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@ -0,0 +1,65 @@
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
/**
* The nsIWebPageDescriptor interface allows content being displayed in one
* window to be loaded into another window without refetching it from the
* network.
*
* @status UNDER_REVIEW
*/
[scriptable, uuid(6f30b676-3710-4c2c-80b1-0395fb26516e)]
interface nsIWebPageDescriptor : nsISupports
{
const unsigned long DISPLAY_AS_SOURCE = 0x0001;
const unsigned long DISPLAY_NORMAL = 0x0002;
/**
* Tells the object to load the page specified by the page descriptor
*
* @return NS_OK -
* NS_ERROR_FAILURE -
*/
void LoadPage(in nsISupports aPageDescriptor, in unsigned long aDisplayType);
/**
* Retrieves the page descriptor for the curent document.
*/
readonly attribute nsISupports currentDescriptor;
};

1870
docshell/macbuild/docshellIDL.xml
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54
xpfe/browser/resources/content/navigator.js
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@ -1001,7 +1001,7 @@ function BrowserLoadURL(aTriggeringEvent)
{
var url = gURLBar.value;
if (url.match(/^view-source:/)) {
BrowserViewSourceOfURL(url.replace(/^view-source:/, ""), null);
BrowserViewSourceOfURL(url.replace(/^view-source:/, ""), null, null);
} else {
if (pref && pref.getBoolPref("browser.tabs.opentabfor.urlbar") &&
getBrowser().localName == "tabbrowser" &&
@ -1093,25 +1093,59 @@ function OpenAddressbook()
"chrome,extrachrome,menubar,resizable,status,toolbar");
}
function BrowserViewSource()
function BrowserViewSourceOfDocument(aDocument)
{
var focusedWindow = document.commandDispatcher.focusedWindow;
if (focusedWindow == window)
focusedWindow = _content;
var docCharset;
var pageCookie;
var webNav;
if (focusedWindow)
var docCharset = "charset=" + focusedWindow.document.characterSet;
// Get the document charset
docCharset = "charset=" + aDocument.characterSet;
BrowserViewSourceOfURL(getWebNavigation().currentURI.spec, docCharset);
// Get the nsIWebNavigation associated with the document
try {
var win;
var ifRequestor;
// Get the DOMWindow for the requested document. If the DOMWindow
// cannot be found, then just use the _content window...
//
// XXX: This is a bit of a hack...
win = aDocument.defaultView;
if (win == window) {
win = _content;
}
ifRequestor = win.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
webNav = ifRequestor.getInterface(Components.interfaces.nsIWebNavigation);
} catch(err) {
// If nsIWebNavigation cannot be found, just get the one for the whole
// window...
webNav = getWebNavigation();
}
//
// Get the 'PageDescriptor' for the current document. This allows the
// view-source to access the cached copy of the content rather than
// refetching it from the network...
//
try{
var PageLoader = webNav.QueryInterface(Components.interfaces.nsIWebPageDescriptor);
pageCookie = PageLoader.currentDescriptor;
} catch(err) {
// If no page descriptor is available, just use the view-source URL...
}
BrowserViewSourceOfURL(webNav.currentURI.spec, docCharset, pageCookie);
}
function BrowserViewSourceOfURL(url, charset)
function BrowserViewSourceOfURL(url, charset, pageCookie)
{
// try to open a view-source window while inheriting the charset (if any)
openDialog("chrome://navigator/content/viewSource.xul",
"_blank",
"scrollbars,resizable,chrome,dialog=no",
url, charset);
url, charset, pageCookie);
}
// doc=null for regular page info, doc=owner document for frame info.

2
xpfe/browser/resources/content/navigatorOverlay.xul
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@ -133,7 +133,7 @@
<command id="cmd_copyImageContents"/>
<!-- View Menu -->
<command id="View:PageSource" oncommand="BrowserViewSource();"/>
<command id="View:PageSource" oncommand="BrowserViewSourceOfDocument(_content.document);"/>
<command id="View:PageInfo" oncommand="BrowserPageInfo();"/>
<command id="View:FullScreen" oncommand="BrowserFullScreen();"/>

71
xpfe/browser/resources/content/viewsource.js
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@ -61,22 +61,69 @@ function viewSource(url)
return false;
}
try {
if ("arguments" in window && window.arguments.length >= 2) {
if (window.arguments[1].indexOf('charset=') != -1) {
var arrayArgComponents = window.arguments[1].split('=');
if (arrayArgComponents) {
//we should "inherit" the charset menu setting in a new window
getMarkupDocumentViewer().defaultCharacterSet = arrayArgComponents[1];
}
var loadFromURL = true;
//
// Parse the 'arguments' supplied with the dialog.
// arg[0] - URL string.
// arg[1] - Charset value in the form 'charset=xxx'.
// arg[2] - Page descriptor used to load content from the cache.
//
if ("arguments" in window) {
var arg;
//
// Set the charset of the viewsource window...
//
if (window.arguments.length >= 2) {
arg = window.arguments[1];
try {
if (typeof(arg) == "string" && arg.indexOf('charset=') != -1) {
var arrayArgComponents = arg.split('=');
if (arrayArgComponents) {
//we should "inherit" the charset menu setting in a new window
getMarkupDocumentViewer().defaultCharacterSet = arrayArgComponents[1];
}
}
} catch (ex) {
// Ignore the failure and keep processing arguments...
}
}
//
// Use the page descriptor to load the content from the cache (if
// available).
//
if (window.arguments.length >= 3) {
arg = window.arguments[2];
try {
if (typeof(arg) == "object" && arg != null) {
var pageLoaderIface = Components.interfaces.nsIWebPageDescriptor;
var PageLoader = getBrowser().webNavigation.QueryInterface(pageLoaderIface);
//
// Load the page using the page descriptor rather than the URL.
// This allows the content to be fetched from the cache (if
// possible) rather than the network...
//
PageLoader.LoadPage(arg, pageLoaderIface.DISPLAY_AS_SOURCE);
// The content was successfully loaded from the page cookie.
loadFromURL = false;
}
} catch(ex) {
// Ignore the failure. The content will be loaded via the URL
// that was supplied in arg[0].
}
}
} catch(ex) {
}
var loadFlags = Components.interfaces.nsIWebNavigation.LOAD_FLAGS_NONE;
var viewSrcUrl = "view-source:" + url;
getBrowser().webNavigation.loadURI(viewSrcUrl, loadFlags, null, null, null);
if (loadFromURL) {
//
// Currently, an exception is thrown if the URL load fails...
//
var loadFlags = Components.interfaces.nsIWebNavigation.LOAD_FLAGS_NONE;
var viewSrcUrl = "view-source:" + url;
getBrowser().webNavigation.loadURI(viewSrcUrl, loadFlags, null, null, null);
}
//check the view_source.wrap_long_lines pref and set the menuitem's checked attribute accordingly
if (gPrefs) {

2
xpfe/communicator/resources/content/contentAreaContextOverlay.xul
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@ -88,7 +88,7 @@
<menuitem id="context-viewsource"
label="&viewPageSourceCmd.label;"
accesskey="&viewPageSourceCmd.accesskey;"
oncommand="BrowserViewSource();"/>
oncommand="BrowserViewSourceOfDocument(_content.document);"/>
<menuitem id="context-viewframesource"
label="&viewFrameSourceCmd.label;"
accesskey="&viewFrameSourceCmd.accesskey;"

6
xpfe/communicator/resources/content/nsContextMenu.js
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@ -467,11 +467,7 @@ nsContextMenu.prototype = {
},
// Open new "view source" window with the frame's URL.
viewFrameSource : function () {
window.openDialog( "chrome://navigator/content/viewSource.xul",
"_blank",
"scrollbars,resizable,chrome,dialog=no",
this.target.ownerDocument.location.href,
"charset=" + this.target.ownerDocument.characterSet);
BrowserViewSourceOfDocument(this.target.ownerDocument);
},
viewInfo : function () {
BrowserPageInfo();

2
xpfe/components/shistory/public/nsISHEntry.idl
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@ -100,6 +100,8 @@ void create(in nsIURI aURI, in wstring aTitle, in nsIDOMDocument aDocument,
in nsIInputStream aInputStream, in nsILayoutHistoryState aHistoryLayoutState,
in nsISupports aCacheKey);
nsISHEntry clone();
/** Attribute that indicates if this entry is for a subframe navigation */
void SetIsSubFrame(in boolean aFlag);

33
xpfe/components/shistory/src/nsSHEntry.cpp
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@ -253,7 +253,7 @@ NS_IMETHODIMP nsSHEntry::SetExpirationStatus(PRBool aFlag)
return NS_OK;
}
nsresult
NS_IMETHODIMP
nsSHEntry::Create(nsIURI * aURI, const PRUnichar * aTitle, nsIDOMDocument * aDOMDocument,
nsIInputStream * aInputStream, nsILayoutHistoryState * aHistoryLayoutState,
nsISupports * aCacheKey)
@ -283,6 +283,37 @@ nsSHEntry::Create(nsIURI * aURI, const PRUnichar * aTitle, nsIDOMDocument * aDOM
}
NS_IMETHODIMP
nsSHEntry::Clone(nsISHEntry ** aResult)
{
nsresult rv;
nsSHEntry *dest;
dest = new nsSHEntry();
if (!dest) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(dest);
dest->SetURI(mURI);
dest->SetReferrerURI(mReferrerURI);
dest->SetPostData(mPostData);
dest->SetLayoutHistoryState(mLayoutHistoryState);
dest->SetTitle(mTitle.get());
dest->SetParent(mParent);
dest->SetID(mID);
dest->SetIsSubFrame(mIsFrameNavigation);
dest->SetExpirationStatus(mExpired);
dest->SetSaveLayoutStateFlag(mSaveLayoutState);
dest->SetCacheKey(mCacheKey);
rv = dest->QueryInterface(NS_GET_IID(nsISHEntry), (void**) aResult);
NS_RELEASE(dest);
return rv;
}
NS_IMETHODIMP
nsSHEntry::GetParent(nsISHEntry ** aResult)
{