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pjs/widget/windows/JumpListItem.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jim Mathies <jmathies@mozilla.com>
* Brian R. Bondy <netzen@gmail.com>
*
* 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 ***** */
#if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_WIN7
#include "JumpListItem.h"
#include <shellapi.h>
#include <propvarutil.h>
#include <propkey.h>
#include "nsIFile.h"
#include "nsILocalFile.h"
#include "nsNetUtil.h"
#include "nsCRT.h"
#include "nsNetCID.h"
#include "nsCExternalHandlerService.h"
#include "nsCycleCollectionParticipant.h"
#include "mozIAsyncFavicons.h"
#include "mozilla/Preferences.h"
#include "JumpListBuilder.h"
#include "WinUtils.h"
namespace mozilla {
namespace widget {
const char JumpListItem::kJumpListCacheDir[] = "jumpListCache";
// ISUPPORTS Impl's
NS_IMPL_ISUPPORTS1(JumpListItem,
nsIJumpListItem)
NS_IMPL_ISUPPORTS_INHERITED1(JumpListSeparator,
JumpListItem,
nsIJumpListSeparator)
NS_IMPL_ISUPPORTS_INHERITED1(JumpListLink,
JumpListItem,
nsIJumpListLink)
NS_IMPL_CYCLE_COLLECTION_CLASS(JumpListShortcut)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JumpListShortcut)
NS_INTERFACE_MAP_ENTRY(nsIJumpListShortcut)
NS_INTERFACE_MAP_END_INHERITING(JumpListItem)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(JumpListShortcut)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mHandlerApp)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(JumpListShortcut)
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mHandlerApp)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(JumpListShortcut)
NS_IMPL_CYCLE_COLLECTING_RELEASE(JumpListShortcut)
/* attribute short type; */
NS_IMETHODIMP JumpListItem::GetType(PRInt16 *aType)
{
NS_ENSURE_ARG_POINTER(aType);
*aType = mItemType;
return NS_OK;
}
/* boolean equals(nsIJumpListItem item); */
NS_IMETHODIMP JumpListItem::Equals(nsIJumpListItem *aItem, bool *aResult)
{
NS_ENSURE_ARG_POINTER(aItem);
*aResult = false;
PRInt16 theType = nsIJumpListItem::JUMPLIST_ITEM_EMPTY;
if (NS_FAILED(aItem->GetType(&theType)))
return NS_OK;
// Make sure the types match.
if (Type() != theType)
return NS_OK;
*aResult = true;
return NS_OK;
}
/* link impl. */
/* attribute nsIURI uri; */
NS_IMETHODIMP JumpListLink::GetUri(nsIURI **aURI)
{
NS_IF_ADDREF(*aURI = mURI);
return NS_OK;
}
NS_IMETHODIMP JumpListLink::SetUri(nsIURI *aURI)
{
mURI = aURI;
return NS_OK;
}
/* attribute AString uriTitle; */
NS_IMETHODIMP JumpListLink::SetUriTitle(const nsAString &aUriTitle)
{
mUriTitle.Assign(aUriTitle);
return NS_OK;
}
NS_IMETHODIMP JumpListLink::GetUriTitle(nsAString& aUriTitle)
{
aUriTitle.Assign(mUriTitle);
return NS_OK;
}
/* readonly attribute long uriHash; */
NS_IMETHODIMP JumpListLink::GetUriHash(nsACString& aUriHash)
{
if (!mURI)
return NS_ERROR_NOT_AVAILABLE;
return JumpListItem::HashURI(mCryptoHash, mURI, aUriHash);
}
/* boolean compareHash(in nsIURI uri); */
NS_IMETHODIMP JumpListLink::CompareHash(nsIURI *aUri, bool *aResult)
{
nsresult rv;
if (!mURI) {
*aResult = !aUri;
return NS_OK;
}
NS_ENSURE_ARG_POINTER(aUri);
nsCAutoString hash1, hash2;
rv = JumpListItem::HashURI(mCryptoHash, mURI, hash1);
NS_ENSURE_SUCCESS(rv, rv);
rv = JumpListItem::HashURI(mCryptoHash, aUri, hash2);
NS_ENSURE_SUCCESS(rv, rv);
*aResult = hash1.Equals(hash2);
return NS_OK;
}
/* boolean equals(nsIJumpListItem item); */
NS_IMETHODIMP JumpListLink::Equals(nsIJumpListItem *aItem, bool *aResult)
{
NS_ENSURE_ARG_POINTER(aItem);
nsresult rv;
*aResult = false;
PRInt16 theType = nsIJumpListItem::JUMPLIST_ITEM_EMPTY;
if (NS_FAILED(aItem->GetType(&theType)))
return NS_OK;
// Make sure the types match.
if (Type() != theType)
return NS_OK;
nsCOMPtr<nsIJumpListLink> link = do_QueryInterface(aItem, &rv);
if (NS_FAILED(rv))
return rv;
// Check the titles
nsAutoString title;
link->GetUriTitle(title);
if (!mUriTitle.Equals(title))
return NS_OK;
// Call the internal object's equals() method to check.
nsCOMPtr<nsIURI> theUri;
bool equals = false;
if (NS_SUCCEEDED(link->GetUri(getter_AddRefs(theUri)))) {
if (!theUri) {
if (!mURI)
*aResult = true;
return NS_OK;
}
if (NS_SUCCEEDED(theUri->Equals(mURI, &equals)) && equals) {
*aResult = true;
}
}
return NS_OK;
}
/* shortcut impl. */
/* attribute nsILocalHandlerApp app; */
NS_IMETHODIMP JumpListShortcut::GetApp(nsILocalHandlerApp **aApp)
{
NS_IF_ADDREF(*aApp = mHandlerApp);
return NS_OK;
}
NS_IMETHODIMP JumpListShortcut::SetApp(nsILocalHandlerApp *aApp)
{
mHandlerApp = aApp;
// Confirm the app is present on the system
if (!ExecutableExists(mHandlerApp))
return NS_ERROR_FILE_NOT_FOUND;
return NS_OK;
}
/* attribute long iconIndex; */
NS_IMETHODIMP JumpListShortcut::GetIconIndex(PRInt32 *aIconIndex)
{
NS_ENSURE_ARG_POINTER(aIconIndex);
*aIconIndex = mIconIndex;
return NS_OK;
}
NS_IMETHODIMP JumpListShortcut::SetIconIndex(PRInt32 aIconIndex)
{
mIconIndex = aIconIndex;
return NS_OK;
}
/* attribute long iconURI; */
NS_IMETHODIMP JumpListShortcut::GetFaviconPageUri(nsIURI **aFaviconPageURI)
{
NS_IF_ADDREF(*aFaviconPageURI = mFaviconPageURI);
return NS_OK;
}
NS_IMETHODIMP JumpListShortcut::SetFaviconPageUri(nsIURI *aFaviconPageURI)
{
mFaviconPageURI = aFaviconPageURI;
return NS_OK;
}
/* boolean equals(nsIJumpListItem item); */
NS_IMETHODIMP JumpListShortcut::Equals(nsIJumpListItem *aItem, bool *aResult)
{
NS_ENSURE_ARG_POINTER(aItem);
nsresult rv;
*aResult = false;
PRInt16 theType = nsIJumpListItem::JUMPLIST_ITEM_EMPTY;
if (NS_FAILED(aItem->GetType(&theType)))
return NS_OK;
// Make sure the types match.
if (Type() != theType)
return NS_OK;
nsCOMPtr<nsIJumpListShortcut> shortcut = do_QueryInterface(aItem, &rv);
if (NS_FAILED(rv))
return rv;
// Check the icon index
//PRInt32 idx;
//shortcut->GetIconIndex(&idx);
//if (mIconIndex != idx)
// return NS_OK;
// No need to check the icon page URI either
// Call the internal object's equals() method to check.
nsCOMPtr<nsILocalHandlerApp> theApp;
bool equals = false;
if (NS_SUCCEEDED(shortcut->GetApp(getter_AddRefs(theApp)))) {
if (!theApp) {
if (!mHandlerApp)
*aResult = true;
return NS_OK;
}
if (NS_SUCCEEDED(theApp->Equals(mHandlerApp, &equals)) && equals) {
*aResult = true;
}
}
return NS_OK;
}
/* internal helpers */
// (static) Creates a ShellLink that encapsulate a separator.
nsresult JumpListSeparator::GetSeparator(nsRefPtr<IShellLinkW>& aShellLink)
{
HRESULT hr;
IShellLinkW* psl;
// Create a IShellLink.
hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
IID_IShellLinkW, (LPVOID*)&psl);
if (FAILED(hr))
return NS_ERROR_UNEXPECTED;
IPropertyStore* pPropStore = nsnull;
hr = psl->QueryInterface(IID_IPropertyStore, (LPVOID*)&pPropStore);
if (FAILED(hr))
return NS_ERROR_UNEXPECTED;
PROPVARIANT pv;
InitPropVariantFromBoolean(TRUE, &pv);
pPropStore->SetValue(PKEY_AppUserModel_IsDestListSeparator, pv);
pPropStore->Commit();
pPropStore->Release();
PropVariantClear(&pv);
aShellLink = dont_AddRef(psl);
return NS_OK;
}
// Obtains the jump list 'ICO cache timeout in seconds' pref
static PRInt32 GetICOCacheSecondsTimeout() {
// Only obtain the setting at most once from the pref service.
// In the rare case that 2 threads call this at the same
// time it is no harm and we will simply obtain the pref twice.
// None of the taskbar list prefs are currently updated via a
// pref observer so I think this should suffice.
const PRInt32 kSecondsPerDay = 86400;
static bool alreadyObtained = false;
static PRInt32 icoReCacheSecondsTimeout = kSecondsPerDay;
if (alreadyObtained) {
return icoReCacheSecondsTimeout;
}
// Obtain the pref
const char PREF_ICOTIMEOUT[] = "browser.taskbar.lists.icoTimeoutInSeconds";
icoReCacheSecondsTimeout = Preferences::GetInt(PREF_ICOTIMEOUT,
kSecondsPerDay);
alreadyObtained = true;
return icoReCacheSecondsTimeout;
}
// (static) If the data is available, will return the path on disk where
// the favicon for page aFaviconPageURI is stored. If the favicon does not
// exist, or its cache is expired, this method will kick off an async request
// for the icon so that next time the method is called it will be available.
nsresult JumpListShortcut::ObtainCachedIconFile(nsCOMPtr<nsIURI> aFaviconPageURI,
nsString &aICOFilePath,
nsCOMPtr<nsIThread> &aIOThread)
{
// Obtain the ICO file path
nsCOMPtr<nsIFile> icoFile;
nsresult rv = GetOutputIconPath(aFaviconPageURI, icoFile);
NS_ENSURE_SUCCESS(rv, rv);
// Check if the cached ICO file already exists
bool exists;
rv = icoFile->Exists(&exists);
NS_ENSURE_SUCCESS(rv, rv);
if (exists) {
// Obtain the file's last modification date in seconds
PRInt64 fileModTime = LL_ZERO;
rv = icoFile->GetLastModifiedTime(&fileModTime);
fileModTime /= PR_MSEC_PER_SEC;
PRInt32 icoReCacheSecondsTimeout = GetICOCacheSecondsTimeout();
PRInt64 nowTime = PR_Now() / PRInt64(PR_USEC_PER_SEC);
// If the last mod call failed or the icon is old then re-cache it
// This check is in case the favicon of a page changes
// the next time we try to build the jump list, the data will be available.
if (NS_FAILED(rv) ||
(nowTime - fileModTime) > icoReCacheSecondsTimeout) {
CacheIconFileFromFaviconURIAsync(aFaviconPageURI, icoFile, aIOThread);
return NS_ERROR_NOT_AVAILABLE;
}
} else {
// The file does not exist yet, obtain it async from the favicon service so that
// the next time we try to build the jump list it'll be available.
CacheIconFileFromFaviconURIAsync(aFaviconPageURI, icoFile, aIOThread);
return NS_ERROR_NOT_AVAILABLE;
}
// The icoFile is filled with a path that exists, get its path
rv = icoFile->GetPath(aICOFilePath);
return rv;
}
// (static) Obtains the ICO file for the favicon at page aFaviconPageURI
// If successful, the file path on disk is in the format:
// <ProfLDS>\jumpListCache\<hash(aFaviconPageURI)>.ico
nsresult JumpListShortcut::GetOutputIconPath(nsCOMPtr<nsIURI> aFaviconPageURI,
nsCOMPtr<nsIFile> &aICOFile)
{
// Hash the input URI and replace any / with _
nsCAutoString inputURIHash;
nsCOMPtr<nsICryptoHash> cryptoHash;
nsresult rv = JumpListItem::HashURI(cryptoHash, aFaviconPageURI,
inputURIHash);
NS_ENSURE_SUCCESS(rv, rv);
char* cur = inputURIHash.BeginWriting();
char* end = inputURIHash.EndWriting();
for (; cur < end; ++cur) {
if ('/' == *cur) {
*cur = '_';
}
}
// Obtain the local profile directory and construct the output icon file path
rv = NS_GetSpecialDirectory("ProfLDS", getter_AddRefs(aICOFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = aICOFile->AppendNative(nsDependentCString(JumpListItem::kJumpListCacheDir));
NS_ENSURE_SUCCESS(rv, rv);
// Try to create the directory if it's not there yet
rv = aICOFile->Create(nsIFile::DIRECTORY_TYPE, 0777);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_ALREADY_EXISTS) {
return rv;
}
// Append the icon extension
inputURIHash.Append(".ico");
rv = aICOFile->AppendNative(inputURIHash);
return rv;
}
// (static) Asynchronously creates a cached ICO file on disk for the favicon of
// page aFaviconPageURI and stores it to disk at the path of aICOFile.
nsresult
JumpListShortcut::CacheIconFileFromFaviconURIAsync(nsCOMPtr<nsIURI> aFaviconPageURI,
nsCOMPtr<nsIFile> aICOFile,
nsCOMPtr<nsIThread> &aIOThread)
{
// Obtain the favicon service and get the favicon for the specified page
nsCOMPtr<mozIAsyncFavicons> favIconSvc(
do_GetService("@mozilla.org/browser/favicon-service;1"));
NS_ENSURE_TRUE(favIconSvc, NS_ERROR_FAILURE);
nsCOMPtr<nsIFaviconDataCallback> callback =
new AsyncFaviconDataReady(aFaviconPageURI, aIOThread);
favIconSvc->GetFaviconDataForPage(aFaviconPageURI, callback);
return NS_OK;
}
// (static) Creates a ShellLink that encapsulate a shortcut to local apps.
nsresult JumpListShortcut::GetShellLink(nsCOMPtr<nsIJumpListItem>& item,
nsRefPtr<IShellLinkW>& aShellLink,
nsCOMPtr<nsIThread> &aIOThread)
{
HRESULT hr;
IShellLinkW* psl;
nsresult rv;
// Shell links:
// http://msdn.microsoft.com/en-us/library/bb776891(VS.85).aspx
// http://msdn.microsoft.com/en-us/library/bb774950(VS.85).aspx
PRInt16 type;
if (NS_FAILED(item->GetType(&type)))
return NS_ERROR_INVALID_ARG;
if (type != nsIJumpListItem::JUMPLIST_ITEM_SHORTCUT)
return NS_ERROR_INVALID_ARG;
nsCOMPtr<nsIJumpListShortcut> shortcut = do_QueryInterface(item, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsILocalHandlerApp> handlerApp;
rv = shortcut->GetApp(getter_AddRefs(handlerApp));
NS_ENSURE_SUCCESS(rv, rv);
// Create a IShellLink
hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
IID_IShellLinkW, (LPVOID*)&psl);
if (FAILED(hr))
return NS_ERROR_UNEXPECTED;
// Retrieve the app path, title, description and optional command line args.
nsAutoString appPath, appTitle, appDescription, appArgs;
PRInt32 appIconIndex = 0;
// Path
nsCOMPtr<nsIFile> executable;
handlerApp->GetExecutable(getter_AddRefs(executable));
nsCOMPtr<nsILocalFile> localFile = do_QueryInterface(executable, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = localFile->GetPath(appPath);
NS_ENSURE_SUCCESS(rv, rv);
// Command line parameters
PRUint32 count = 0;
handlerApp->GetParameterCount(&count);
for (PRUint32 idx = 0; idx < count; idx++) {
if (idx > 0)
appArgs.Append(NS_LITERAL_STRING(" "));
nsAutoString param;
rv = handlerApp->GetParameter(idx, param);
if (NS_FAILED(rv))
return rv;
appArgs.Append(param);
}
handlerApp->GetName(appTitle);
handlerApp->GetDetailedDescription(appDescription);
bool useUriIcon = false; // if we want to use the URI icon
bool usedUriIcon = false; // if we did use the URI icon
shortcut->GetIconIndex(&appIconIndex);
nsCOMPtr<nsIURI> iconUri;
rv = shortcut->GetFaviconPageUri(getter_AddRefs(iconUri));
if (NS_SUCCEEDED(rv) && iconUri) {
useUriIcon = true;
}
// Store the title of the app
if (appTitle.Length() > 0) {
IPropertyStore* pPropStore = nsnull;
hr = psl->QueryInterface(IID_IPropertyStore, (LPVOID*)&pPropStore);
if (FAILED(hr))
return NS_ERROR_UNEXPECTED;
PROPVARIANT pv;
InitPropVariantFromString(appTitle.get(), &pv);
pPropStore->SetValue(PKEY_Title, pv);
pPropStore->Commit();
pPropStore->Release();
PropVariantClear(&pv);
}
// Store the rest of the params
psl->SetPath(appPath.get());
psl->SetDescription(appDescription.get());
psl->SetArguments(appArgs.get());
if (useUriIcon) {
nsString icoFilePath;
rv = ObtainCachedIconFile(iconUri, icoFilePath, aIOThread);
if (NS_SUCCEEDED(rv)) {
// Always use the first icon in the ICO file
// our encoded icon only has 1 resource
psl->SetIconLocation(icoFilePath.get(), 0);
usedUriIcon = true;
}
}
// We didn't use an ICO via URI so fall back to the app icon
if (!usedUriIcon) {
psl->SetIconLocation(appPath.get(), appIconIndex);
}
aShellLink = dont_AddRef(psl);
return NS_OK;
}
// If successful fills in the aSame parameter
// aSame will be true if the path is in our icon cache
static nsresult IsPathInOurIconCache(nsCOMPtr<nsIJumpListShortcut>& aShortcut,
PRUnichar *aPath, bool *aSame)
{
NS_ENSURE_ARG_POINTER(aPath);
NS_ENSURE_ARG_POINTER(aSame);
*aSame = false;
// Construct the path of our jump list cache
nsCOMPtr<nsIFile> jumpListCache;
nsresult rv = NS_GetSpecialDirectory("ProfLDS", getter_AddRefs(jumpListCache));
NS_ENSURE_SUCCESS(rv, rv);
rv = jumpListCache->AppendNative(nsDependentCString(JumpListItem::kJumpListCacheDir));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString jumpListCachePath;
rv = jumpListCache->GetPath(jumpListCachePath);
NS_ENSURE_SUCCESS(rv, rv);
// Construct the parent path of the passed in path
nsCOMPtr<nsILocalFile> passedInFile = do_CreateInstance("@mozilla.org/file/local;1");
NS_ENSURE_TRUE(passedInFile, NS_ERROR_FAILURE);
nsAutoString passedInPath(aPath);
rv = passedInFile->InitWithPath(passedInPath);
nsCOMPtr<nsIFile> passedInParentFile;
passedInFile->GetParent(getter_AddRefs(passedInParentFile));
nsAutoString passedInParentPath;
rv = jumpListCache->GetPath(passedInParentPath);
NS_ENSURE_SUCCESS(rv, rv);
*aSame = jumpListCachePath.Equals(passedInParentPath);
return NS_OK;
}
// (static) For a given IShellLink, create and return a populated nsIJumpListShortcut.
nsresult JumpListShortcut::GetJumpListShortcut(IShellLinkW *pLink, nsCOMPtr<nsIJumpListShortcut>& aShortcut)
{
NS_ENSURE_ARG_POINTER(pLink);
nsresult rv;
HRESULT hres;
nsCOMPtr<nsILocalHandlerApp> handlerApp =
do_CreateInstance(NS_LOCALHANDLERAPP_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
PRUnichar buf[MAX_PATH];
// Path
hres = pLink->GetPath((LPWSTR)&buf, MAX_PATH, NULL, SLGP_UNCPRIORITY);
if (FAILED(hres))
return NS_ERROR_INVALID_ARG;
nsCOMPtr<nsILocalFile> file;
nsDependentString filepath(buf);
rv = NS_NewLocalFile(filepath, false, getter_AddRefs(file));
NS_ENSURE_SUCCESS(rv, rv);
rv = handlerApp->SetExecutable(file);
NS_ENSURE_SUCCESS(rv, rv);
// Parameters
hres = pLink->GetArguments((LPWSTR)&buf, MAX_PATH);
if (SUCCEEDED(hres)) {
LPWSTR *arglist;
PRInt32 numArgs;
PRInt32 idx;
arglist = ::CommandLineToArgvW(buf, &numArgs);
if(arglist) {
for (idx = 0; idx < numArgs; idx++) {
// szArglist[i] is null terminated
nsDependentString arg(arglist[idx]);
handlerApp->AppendParameter(arg);
}
::LocalFree(arglist);
}
}
rv = aShortcut->SetApp(handlerApp);
NS_ENSURE_SUCCESS(rv, rv);
// Icon index or file location
int iconIdx = 0;
hres = pLink->GetIconLocation((LPWSTR)&buf, MAX_PATH, &iconIdx);
if (SUCCEEDED(hres)) {
// XXX How do we handle converting local files to images here? Do we need to?
aShortcut->SetIconIndex(iconIdx);
// Obtain the local profile directory and construct the output icon file path
// We only set the Icon Uri if we're sure it was from our icon cache.
bool isInOurCache;
if (NS_SUCCEEDED(IsPathInOurIconCache(aShortcut, buf, &isInOurCache)) &&
isInOurCache) {
nsCOMPtr<nsIURI> iconUri;
nsAutoString path(buf);
rv = NS_NewURI(getter_AddRefs(iconUri), path);
if (NS_SUCCEEDED(rv)) {
aShortcut->SetFaviconPageUri(iconUri);
}
}
}
// Do we need the title and description? Probably not since handler app doesn't compare
// these in equals.
return NS_OK;
}
// (static) ShellItems are used to encapsulate links to things. We currently only support URI links,
// but more support could be added, such as local file and directory links.
nsresult JumpListLink::GetShellItem(nsCOMPtr<nsIJumpListItem>& item, nsRefPtr<IShellItem2>& aShellItem)
{
IShellItem2 *psi = nsnull;
nsresult rv;
PRInt16 type;
if (NS_FAILED(item->GetType(&type)))
return NS_ERROR_INVALID_ARG;
if (type != nsIJumpListItem::JUMPLIST_ITEM_LINK)
return NS_ERROR_INVALID_ARG;
nsCOMPtr<nsIJumpListLink> link = do_QueryInterface(item, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIURI> uri;
rv = link->GetUri(getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
nsCAutoString spec;
rv = uri->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
// Load vista+ SHCreateItemFromParsingName
if (!WinUtils::VistaCreateItemFromParsingNameInit()) {
return NS_ERROR_UNEXPECTED;
}
// Create the IShellItem
if (FAILED(WinUtils::SHCreateItemFromParsingName(
NS_ConvertASCIItoUTF16(spec).get(), NULL, IID_PPV_ARGS(&psi)))) {
return NS_ERROR_INVALID_ARG;
}
// Set the title
nsAutoString linkTitle;
link->GetUriTitle(linkTitle);
IPropertyStore* pPropStore = nsnull;
HRESULT hres = psi->GetPropertyStore(GPS_DEFAULT, IID_IPropertyStore, (void**)&pPropStore);
if (FAILED(hres))
return NS_ERROR_UNEXPECTED;
PROPVARIANT pv;
InitPropVariantFromString(linkTitle.get(), &pv);
// May fail due to shell item access permissions.
pPropStore->SetValue(PKEY_ItemName, pv);
pPropStore->Commit();
pPropStore->Release();
PropVariantClear(&pv);
aShellItem = dont_AddRef(psi);
return NS_OK;
}
// (static) For a given IShellItem, create and return a populated nsIJumpListLink.
nsresult JumpListLink::GetJumpListLink(IShellItem *pItem, nsCOMPtr<nsIJumpListLink>& aLink)
{
NS_ENSURE_ARG_POINTER(pItem);
// We assume for now these are URI links, but through properties we could
// query and create other types.
nsresult rv;
LPWSTR lpstrName = NULL;
if (SUCCEEDED(pItem->GetDisplayName(SIGDN_URL, &lpstrName))) {
nsCOMPtr<nsIURI> uri;
nsAutoString spec(lpstrName);
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUTF16toUTF8(spec));
if (NS_FAILED(rv))
return NS_ERROR_INVALID_ARG;
aLink->SetUri(uri);
::CoTaskMemFree(lpstrName);
}
return NS_OK;
}
// Confirm the app is on the system
bool JumpListShortcut::ExecutableExists(nsCOMPtr<nsILocalHandlerApp>& handlerApp)
{
nsresult rv;
if (!handlerApp)
return false;
nsCOMPtr<nsIFile> executable;
rv = handlerApp->GetExecutable(getter_AddRefs(executable));
if (NS_SUCCEEDED(rv) && executable) {
bool exists;
executable->Exists(&exists);
return exists;
}
return false;
}
// (static) Helper method which will hash a URI
nsresult JumpListItem::HashURI(nsCOMPtr<nsICryptoHash> &aCryptoHash,
nsIURI *aUri, nsACString& aUriHash)
{
if (!aUri)
return NS_ERROR_INVALID_ARG;
nsCAutoString spec;
nsresult rv = aUri->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
if (!aCryptoHash) {
aCryptoHash = do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = aCryptoHash->Init(nsICryptoHash::MD5);
NS_ENSURE_SUCCESS(rv, rv);
rv = aCryptoHash->Update(reinterpret_cast<const PRUint8*>(spec.BeginReading()),
spec.Length());
NS_ENSURE_SUCCESS(rv, rv);
rv = aCryptoHash->Finish(true, aUriHash);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
} // namespace widget
} // namespace mozilla
#endif // MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_WIN7
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