1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/windows/JumpListItem.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,641 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "JumpListItem.h"
1.10 +
1.11 +#include <shellapi.h>
1.12 +#include <propvarutil.h>
1.13 +#include <propkey.h>
1.14 +
1.15 +#include "nsIFile.h"
1.16 +#include "nsNetUtil.h"
1.17 +#include "nsCRT.h"
1.18 +#include "nsNetCID.h"
1.19 +#include "nsCExternalHandlerService.h"
1.20 +#include "nsCycleCollectionParticipant.h"
1.21 +#include "mozilla/Preferences.h"
1.22 +#include "JumpListBuilder.h"
1.23 +#include "WinUtils.h"
1.24 +
1.25 +namespace mozilla {
1.26 +namespace widget {
1.27 +
1.28 +// ISUPPORTS Impl's
1.29 +NS_IMPL_ISUPPORTS(JumpListItem,
1.30 + nsIJumpListItem)
1.31 +
1.32 +NS_IMPL_ISUPPORTS_INHERITED(JumpListSeparator,
1.33 + JumpListItem,
1.34 + nsIJumpListSeparator)
1.35 +
1.36 +NS_IMPL_ISUPPORTS_INHERITED(JumpListLink,
1.37 + JumpListItem,
1.38 + nsIJumpListLink)
1.39 +
1.40 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JumpListShortcut)
1.41 + NS_INTERFACE_MAP_ENTRY(nsIJumpListShortcut)
1.42 +NS_INTERFACE_MAP_END_INHERITING(JumpListItem)
1.43 +
1.44 +NS_IMPL_CYCLE_COLLECTION(JumpListShortcut, mHandlerApp)
1.45 +
1.46 +NS_IMPL_CYCLE_COLLECTING_ADDREF(JumpListShortcut)
1.47 +NS_IMPL_CYCLE_COLLECTING_RELEASE(JumpListShortcut)
1.48 +
1.49 +/* attribute short type; */
1.50 +NS_IMETHODIMP JumpListItem::GetType(int16_t *aType)
1.51 +{
1.52 + NS_ENSURE_ARG_POINTER(aType);
1.53 +
1.54 + *aType = mItemType;
1.55 +
1.56 + return NS_OK;
1.57 +}
1.58 +
1.59 +/* boolean equals(nsIJumpListItem item); */
1.60 +NS_IMETHODIMP JumpListItem::Equals(nsIJumpListItem *aItem, bool *aResult)
1.61 +{
1.62 + NS_ENSURE_ARG_POINTER(aItem);
1.63 +
1.64 + *aResult = false;
1.65 +
1.66 + int16_t theType = nsIJumpListItem::JUMPLIST_ITEM_EMPTY;
1.67 + if (NS_FAILED(aItem->GetType(&theType)))
1.68 + return NS_OK;
1.69 +
1.70 + // Make sure the types match.
1.71 + if (Type() != theType)
1.72 + return NS_OK;
1.73 +
1.74 + *aResult = true;
1.75 +
1.76 + return NS_OK;
1.77 +}
1.78 +
1.79 +/* link impl. */
1.80 +
1.81 +/* attribute nsIURI uri; */
1.82 +NS_IMETHODIMP JumpListLink::GetUri(nsIURI **aURI)
1.83 +{
1.84 + NS_IF_ADDREF(*aURI = mURI);
1.85 +
1.86 + return NS_OK;
1.87 +}
1.88 +
1.89 +NS_IMETHODIMP JumpListLink::SetUri(nsIURI *aURI)
1.90 +{
1.91 + mURI = aURI;
1.92 +
1.93 + return NS_OK;
1.94 +}
1.95 +
1.96 +/* attribute AString uriTitle; */
1.97 +NS_IMETHODIMP JumpListLink::SetUriTitle(const nsAString &aUriTitle)
1.98 +{
1.99 + mUriTitle.Assign(aUriTitle);
1.100 +
1.101 + return NS_OK;
1.102 +}
1.103 +
1.104 +NS_IMETHODIMP JumpListLink::GetUriTitle(nsAString& aUriTitle)
1.105 +{
1.106 + aUriTitle.Assign(mUriTitle);
1.107 +
1.108 + return NS_OK;
1.109 +}
1.110 +
1.111 +/* readonly attribute long uriHash; */
1.112 +NS_IMETHODIMP JumpListLink::GetUriHash(nsACString& aUriHash)
1.113 +{
1.114 + if (!mURI)
1.115 + return NS_ERROR_NOT_AVAILABLE;
1.116 +
1.117 + return mozilla::widget::FaviconHelper::HashURI(mCryptoHash, mURI, aUriHash);
1.118 +}
1.119 +
1.120 +/* boolean compareHash(in nsIURI uri); */
1.121 +NS_IMETHODIMP JumpListLink::CompareHash(nsIURI *aUri, bool *aResult)
1.122 +{
1.123 + nsresult rv;
1.124 +
1.125 + if (!mURI) {
1.126 + *aResult = !aUri;
1.127 + return NS_OK;
1.128 + }
1.129 +
1.130 + NS_ENSURE_ARG_POINTER(aUri);
1.131 +
1.132 + nsAutoCString hash1, hash2;
1.133 +
1.134 + rv = mozilla::widget::FaviconHelper::HashURI(mCryptoHash, mURI, hash1);
1.135 + NS_ENSURE_SUCCESS(rv, rv);
1.136 + rv = mozilla::widget::FaviconHelper::HashURI(mCryptoHash, aUri, hash2);
1.137 + NS_ENSURE_SUCCESS(rv, rv);
1.138 +
1.139 + *aResult = hash1.Equals(hash2);
1.140 +
1.141 + return NS_OK;
1.142 +}
1.143 +
1.144 +/* boolean equals(nsIJumpListItem item); */
1.145 +NS_IMETHODIMP JumpListLink::Equals(nsIJumpListItem *aItem, bool *aResult)
1.146 +{
1.147 + NS_ENSURE_ARG_POINTER(aItem);
1.148 +
1.149 + nsresult rv;
1.150 +
1.151 + *aResult = false;
1.152 +
1.153 + int16_t theType = nsIJumpListItem::JUMPLIST_ITEM_EMPTY;
1.154 + if (NS_FAILED(aItem->GetType(&theType)))
1.155 + return NS_OK;
1.156 +
1.157 + // Make sure the types match.
1.158 + if (Type() != theType)
1.159 + return NS_OK;
1.160 +
1.161 + nsCOMPtr<nsIJumpListLink> link = do_QueryInterface(aItem, &rv);
1.162 + if (NS_FAILED(rv))
1.163 + return rv;
1.164 +
1.165 + // Check the titles
1.166 + nsAutoString title;
1.167 + link->GetUriTitle(title);
1.168 + if (!mUriTitle.Equals(title))
1.169 + return NS_OK;
1.170 +
1.171 + // Call the internal object's equals() method to check.
1.172 + nsCOMPtr<nsIURI> theUri;
1.173 + bool equals = false;
1.174 + if (NS_SUCCEEDED(link->GetUri(getter_AddRefs(theUri)))) {
1.175 + if (!theUri) {
1.176 + if (!mURI)
1.177 + *aResult = true;
1.178 + return NS_OK;
1.179 + }
1.180 + if (NS_SUCCEEDED(theUri->Equals(mURI, &equals)) && equals) {
1.181 + *aResult = true;
1.182 + }
1.183 + }
1.184 +
1.185 + return NS_OK;
1.186 +}
1.187 +
1.188 +/* shortcut impl. */
1.189 +
1.190 +/* attribute nsILocalHandlerApp app; */
1.191 +NS_IMETHODIMP JumpListShortcut::GetApp(nsILocalHandlerApp **aApp)
1.192 +{
1.193 + NS_IF_ADDREF(*aApp = mHandlerApp);
1.194 +
1.195 + return NS_OK;
1.196 +}
1.197 +
1.198 +NS_IMETHODIMP JumpListShortcut::SetApp(nsILocalHandlerApp *aApp)
1.199 +{
1.200 + mHandlerApp = aApp;
1.201 +
1.202 + // Confirm the app is present on the system
1.203 + if (!ExecutableExists(mHandlerApp))
1.204 + return NS_ERROR_FILE_NOT_FOUND;
1.205 +
1.206 + return NS_OK;
1.207 +}
1.208 +
1.209 +/* attribute long iconIndex; */
1.210 +NS_IMETHODIMP JumpListShortcut::GetIconIndex(int32_t *aIconIndex)
1.211 +{
1.212 + NS_ENSURE_ARG_POINTER(aIconIndex);
1.213 +
1.214 + *aIconIndex = mIconIndex;
1.215 + return NS_OK;
1.216 +}
1.217 +
1.218 +NS_IMETHODIMP JumpListShortcut::SetIconIndex(int32_t aIconIndex)
1.219 +{
1.220 + mIconIndex = aIconIndex;
1.221 + return NS_OK;
1.222 +}
1.223 +
1.224 +/* attribute long iconURI; */
1.225 +NS_IMETHODIMP JumpListShortcut::GetFaviconPageUri(nsIURI **aFaviconPageURI)
1.226 +{
1.227 + NS_IF_ADDREF(*aFaviconPageURI = mFaviconPageURI);
1.228 +
1.229 + return NS_OK;
1.230 +}
1.231 +
1.232 +NS_IMETHODIMP JumpListShortcut::SetFaviconPageUri(nsIURI *aFaviconPageURI)
1.233 +{
1.234 + mFaviconPageURI = aFaviconPageURI;
1.235 + return NS_OK;
1.236 +}
1.237 +
1.238 +/* boolean equals(nsIJumpListItem item); */
1.239 +NS_IMETHODIMP JumpListShortcut::Equals(nsIJumpListItem *aItem, bool *aResult)
1.240 +{
1.241 + NS_ENSURE_ARG_POINTER(aItem);
1.242 +
1.243 + nsresult rv;
1.244 +
1.245 + *aResult = false;
1.246 +
1.247 + int16_t theType = nsIJumpListItem::JUMPLIST_ITEM_EMPTY;
1.248 + if (NS_FAILED(aItem->GetType(&theType)))
1.249 + return NS_OK;
1.250 +
1.251 + // Make sure the types match.
1.252 + if (Type() != theType)
1.253 + return NS_OK;
1.254 +
1.255 + nsCOMPtr<nsIJumpListShortcut> shortcut = do_QueryInterface(aItem, &rv);
1.256 + if (NS_FAILED(rv))
1.257 + return rv;
1.258 +
1.259 + // Check the icon index
1.260 + //int32_t idx;
1.261 + //shortcut->GetIconIndex(&idx);
1.262 + //if (mIconIndex != idx)
1.263 + // return NS_OK;
1.264 + // No need to check the icon page URI either
1.265 +
1.266 + // Call the internal object's equals() method to check.
1.267 + nsCOMPtr<nsILocalHandlerApp> theApp;
1.268 + bool equals = false;
1.269 + if (NS_SUCCEEDED(shortcut->GetApp(getter_AddRefs(theApp)))) {
1.270 + if (!theApp) {
1.271 + if (!mHandlerApp)
1.272 + *aResult = true;
1.273 + return NS_OK;
1.274 + }
1.275 + if (NS_SUCCEEDED(theApp->Equals(mHandlerApp, &equals)) && equals) {
1.276 + *aResult = true;
1.277 + }
1.278 + }
1.279 +
1.280 + return NS_OK;
1.281 +}
1.282 +
1.283 +/* internal helpers */
1.284 +
1.285 +// (static) Creates a ShellLink that encapsulate a separator.
1.286 +nsresult JumpListSeparator::GetSeparator(nsRefPtr<IShellLinkW>& aShellLink)
1.287 +{
1.288 + HRESULT hr;
1.289 + IShellLinkW* psl;
1.290 +
1.291 + // Create a IShellLink.
1.292 + hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER,
1.293 + IID_IShellLinkW, (LPVOID*)&psl);
1.294 + if (FAILED(hr))
1.295 + return NS_ERROR_UNEXPECTED;
1.296 +
1.297 + IPropertyStore* pPropStore = nullptr;
1.298 + hr = psl->QueryInterface(IID_IPropertyStore, (LPVOID*)&pPropStore);
1.299 + if (FAILED(hr))
1.300 + return NS_ERROR_UNEXPECTED;
1.301 +
1.302 + PROPVARIANT pv;
1.303 + InitPropVariantFromBoolean(TRUE, &pv);
1.304 +
1.305 + pPropStore->SetValue(PKEY_AppUserModel_IsDestListSeparator, pv);
1.306 + pPropStore->Commit();
1.307 + pPropStore->Release();
1.308 +
1.309 + PropVariantClear(&pv);
1.310 +
1.311 + aShellLink = dont_AddRef(psl);
1.312 +
1.313 + return NS_OK;
1.314 +}
1.315 +
1.316 +// (static) Creates a ShellLink that encapsulate a shortcut to local apps.
1.317 +nsresult JumpListShortcut::GetShellLink(nsCOMPtr<nsIJumpListItem>& item,
1.318 + nsRefPtr<IShellLinkW>& aShellLink,
1.319 + nsCOMPtr<nsIThread> &aIOThread)
1.320 +{
1.321 + HRESULT hr;
1.322 + IShellLinkW* psl;
1.323 + nsresult rv;
1.324 +
1.325 + // Shell links:
1.326 + // http://msdn.microsoft.com/en-us/library/bb776891(VS.85).aspx
1.327 + // http://msdn.microsoft.com/en-us/library/bb774950(VS.85).aspx
1.328 +
1.329 + int16_t type;
1.330 + if (NS_FAILED(item->GetType(&type)))
1.331 + return NS_ERROR_INVALID_ARG;
1.332 +
1.333 + if (type != nsIJumpListItem::JUMPLIST_ITEM_SHORTCUT)
1.334 + return NS_ERROR_INVALID_ARG;
1.335 +
1.336 + nsCOMPtr<nsIJumpListShortcut> shortcut = do_QueryInterface(item, &rv);
1.337 + NS_ENSURE_SUCCESS(rv, rv);
1.338 +
1.339 + nsCOMPtr<nsILocalHandlerApp> handlerApp;
1.340 + rv = shortcut->GetApp(getter_AddRefs(handlerApp));
1.341 + NS_ENSURE_SUCCESS(rv, rv);
1.342 +
1.343 + // Create a IShellLink
1.344 + hr = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER,
1.345 + IID_IShellLinkW, (LPVOID*)&psl);
1.346 + if (FAILED(hr))
1.347 + return NS_ERROR_UNEXPECTED;
1.348 +
1.349 + // Retrieve the app path, title, description and optional command line args.
1.350 + nsAutoString appPath, appTitle, appDescription, appArgs;
1.351 + int32_t appIconIndex = 0;
1.352 +
1.353 + // Path
1.354 + nsCOMPtr<nsIFile> executable;
1.355 + handlerApp->GetExecutable(getter_AddRefs(executable));
1.356 +
1.357 + rv = executable->GetPath(appPath);
1.358 + NS_ENSURE_SUCCESS(rv, rv);
1.359 +
1.360 + // Command line parameters
1.361 + uint32_t count = 0;
1.362 + handlerApp->GetParameterCount(&count);
1.363 + for (uint32_t idx = 0; idx < count; idx++) {
1.364 + if (idx > 0)
1.365 + appArgs.Append(NS_LITERAL_STRING(" "));
1.366 + nsAutoString param;
1.367 + rv = handlerApp->GetParameter(idx, param);
1.368 + if (NS_FAILED(rv))
1.369 + return rv;
1.370 + appArgs.Append(param);
1.371 + }
1.372 +
1.373 + handlerApp->GetName(appTitle);
1.374 + handlerApp->GetDetailedDescription(appDescription);
1.375 +
1.376 + bool useUriIcon = false; // if we want to use the URI icon
1.377 + bool usedUriIcon = false; // if we did use the URI icon
1.378 + shortcut->GetIconIndex(&appIconIndex);
1.379 +
1.380 + nsCOMPtr<nsIURI> iconUri;
1.381 + rv = shortcut->GetFaviconPageUri(getter_AddRefs(iconUri));
1.382 + if (NS_SUCCEEDED(rv) && iconUri) {
1.383 + useUriIcon = true;
1.384 + }
1.385 +
1.386 + // Store the title of the app
1.387 + if (appTitle.Length() > 0) {
1.388 + IPropertyStore* pPropStore = nullptr;
1.389 + hr = psl->QueryInterface(IID_IPropertyStore, (LPVOID*)&pPropStore);
1.390 + if (FAILED(hr))
1.391 + return NS_ERROR_UNEXPECTED;
1.392 +
1.393 + PROPVARIANT pv;
1.394 + InitPropVariantFromString(appTitle.get(), &pv);
1.395 +
1.396 + pPropStore->SetValue(PKEY_Title, pv);
1.397 + pPropStore->Commit();
1.398 + pPropStore->Release();
1.399 +
1.400 + PropVariantClear(&pv);
1.401 + }
1.402 +
1.403 + // Store the rest of the params
1.404 + psl->SetPath(appPath.get());
1.405 + psl->SetDescription(appDescription.get());
1.406 + psl->SetArguments(appArgs.get());
1.407 +
1.408 + if (useUriIcon) {
1.409 + nsString icoFilePath;
1.410 + rv = mozilla::widget::FaviconHelper::ObtainCachedIconFile(iconUri,
1.411 + icoFilePath,
1.412 + aIOThread,
1.413 + false);
1.414 + if (NS_SUCCEEDED(rv)) {
1.415 + // Always use the first icon in the ICO file
1.416 + // our encoded icon only has 1 resource
1.417 + psl->SetIconLocation(icoFilePath.get(), 0);
1.418 + usedUriIcon = true;
1.419 + }
1.420 + }
1.421 +
1.422 + // We didn't use an ICO via URI so fall back to the app icon
1.423 + if (!usedUriIcon) {
1.424 + psl->SetIconLocation(appPath.get(), appIconIndex);
1.425 + }
1.426 +
1.427 + aShellLink = dont_AddRef(psl);
1.428 +
1.429 + return NS_OK;
1.430 +}
1.431 +
1.432 +// If successful fills in the aSame parameter
1.433 +// aSame will be true if the path is in our icon cache
1.434 +static nsresult IsPathInOurIconCache(nsCOMPtr<nsIJumpListShortcut>& aShortcut,
1.435 + wchar_t *aPath, bool *aSame)
1.436 +{
1.437 + NS_ENSURE_ARG_POINTER(aPath);
1.438 + NS_ENSURE_ARG_POINTER(aSame);
1.439 +
1.440 + *aSame = false;
1.441 +
1.442 + // Construct the path of our jump list cache
1.443 + nsCOMPtr<nsIFile> jumpListCache;
1.444 + nsresult rv = NS_GetSpecialDirectory("ProfLDS", getter_AddRefs(jumpListCache));
1.445 + NS_ENSURE_SUCCESS(rv, rv);
1.446 + rv = jumpListCache->AppendNative(nsDependentCString(FaviconHelper::kJumpListCacheDir));
1.447 + NS_ENSURE_SUCCESS(rv, rv);
1.448 + nsAutoString jumpListCachePath;
1.449 + rv = jumpListCache->GetPath(jumpListCachePath);
1.450 + NS_ENSURE_SUCCESS(rv, rv);
1.451 +
1.452 + // Construct the parent path of the passed in path
1.453 + nsCOMPtr<nsIFile> passedInFile = do_CreateInstance("@mozilla.org/file/local;1");
1.454 + NS_ENSURE_TRUE(passedInFile, NS_ERROR_FAILURE);
1.455 + nsAutoString passedInPath(aPath);
1.456 + rv = passedInFile->InitWithPath(passedInPath);
1.457 + nsCOMPtr<nsIFile> passedInParentFile;
1.458 + passedInFile->GetParent(getter_AddRefs(passedInParentFile));
1.459 + nsAutoString passedInParentPath;
1.460 + rv = jumpListCache->GetPath(passedInParentPath);
1.461 + NS_ENSURE_SUCCESS(rv, rv);
1.462 +
1.463 + *aSame = jumpListCachePath.Equals(passedInParentPath);
1.464 + return NS_OK;
1.465 +}
1.466 +
1.467 +// (static) For a given IShellLink, create and return a populated nsIJumpListShortcut.
1.468 +nsresult JumpListShortcut::GetJumpListShortcut(IShellLinkW *pLink, nsCOMPtr<nsIJumpListShortcut>& aShortcut)
1.469 +{
1.470 + NS_ENSURE_ARG_POINTER(pLink);
1.471 +
1.472 + nsresult rv;
1.473 + HRESULT hres;
1.474 +
1.475 + nsCOMPtr<nsILocalHandlerApp> handlerApp =
1.476 + do_CreateInstance(NS_LOCALHANDLERAPP_CONTRACTID, &rv);
1.477 + NS_ENSURE_SUCCESS(rv, rv);
1.478 +
1.479 + wchar_t buf[MAX_PATH];
1.480 +
1.481 + // Path
1.482 + hres = pLink->GetPath(buf, MAX_PATH, nullptr, SLGP_UNCPRIORITY);
1.483 + if (FAILED(hres))
1.484 + return NS_ERROR_INVALID_ARG;
1.485 +
1.486 + nsCOMPtr<nsIFile> file;
1.487 + nsDependentString filepath(buf);
1.488 + rv = NS_NewLocalFile(filepath, false, getter_AddRefs(file));
1.489 + NS_ENSURE_SUCCESS(rv, rv);
1.490 +
1.491 + rv = handlerApp->SetExecutable(file);
1.492 + NS_ENSURE_SUCCESS(rv, rv);
1.493 +
1.494 + // Parameters
1.495 + hres = pLink->GetArguments(buf, MAX_PATH);
1.496 + if (SUCCEEDED(hres)) {
1.497 + LPWSTR *arglist;
1.498 + int32_t numArgs;
1.499 + int32_t idx;
1.500 +
1.501 + arglist = ::CommandLineToArgvW(buf, &numArgs);
1.502 + if(arglist) {
1.503 + for (idx = 0; idx < numArgs; idx++) {
1.504 + // szArglist[i] is null terminated
1.505 + nsDependentString arg(arglist[idx]);
1.506 + handlerApp->AppendParameter(arg);
1.507 + }
1.508 + ::LocalFree(arglist);
1.509 + }
1.510 + }
1.511 +
1.512 + rv = aShortcut->SetApp(handlerApp);
1.513 + NS_ENSURE_SUCCESS(rv, rv);
1.514 +
1.515 + // Icon index or file location
1.516 + int iconIdx = 0;
1.517 + hres = pLink->GetIconLocation(buf, MAX_PATH, &iconIdx);
1.518 + if (SUCCEEDED(hres)) {
1.519 + // XXX How do we handle converting local files to images here? Do we need to?
1.520 + aShortcut->SetIconIndex(iconIdx);
1.521 +
1.522 + // Obtain the local profile directory and construct the output icon file path
1.523 + // We only set the Icon Uri if we're sure it was from our icon cache.
1.524 + bool isInOurCache;
1.525 + if (NS_SUCCEEDED(IsPathInOurIconCache(aShortcut, buf, &isInOurCache)) &&
1.526 + isInOurCache) {
1.527 + nsCOMPtr<nsIURI> iconUri;
1.528 + nsAutoString path(buf);
1.529 + rv = NS_NewURI(getter_AddRefs(iconUri), path);
1.530 + if (NS_SUCCEEDED(rv)) {
1.531 + aShortcut->SetFaviconPageUri(iconUri);
1.532 + }
1.533 + }
1.534 + }
1.535 +
1.536 + // Do we need the title and description? Probably not since handler app doesn't compare
1.537 + // these in equals.
1.538 +
1.539 + return NS_OK;
1.540 +}
1.541 +
1.542 +// (static) ShellItems are used to encapsulate links to things. We currently only support URI links,
1.543 +// but more support could be added, such as local file and directory links.
1.544 +nsresult JumpListLink::GetShellItem(nsCOMPtr<nsIJumpListItem>& item, nsRefPtr<IShellItem2>& aShellItem)
1.545 +{
1.546 + IShellItem2 *psi = nullptr;
1.547 + nsresult rv;
1.548 +
1.549 + int16_t type;
1.550 + if (NS_FAILED(item->GetType(&type)))
1.551 + return NS_ERROR_INVALID_ARG;
1.552 +
1.553 + if (type != nsIJumpListItem::JUMPLIST_ITEM_LINK)
1.554 + return NS_ERROR_INVALID_ARG;
1.555 +
1.556 + nsCOMPtr<nsIJumpListLink> link = do_QueryInterface(item, &rv);
1.557 + NS_ENSURE_SUCCESS(rv, rv);
1.558 +
1.559 + nsCOMPtr<nsIURI> uri;
1.560 + rv = link->GetUri(getter_AddRefs(uri));
1.561 + NS_ENSURE_SUCCESS(rv, rv);
1.562 +
1.563 + nsAutoCString spec;
1.564 + rv = uri->GetSpec(spec);
1.565 + NS_ENSURE_SUCCESS(rv, rv);
1.566 +
1.567 + // Create the IShellItem
1.568 + if (FAILED(WinUtils::SHCreateItemFromParsingName(
1.569 + NS_ConvertASCIItoUTF16(spec).get(),
1.570 + nullptr, IID_PPV_ARGS(&psi)))) {
1.571 + return NS_ERROR_INVALID_ARG;
1.572 + }
1.573 +
1.574 + // Set the title
1.575 + nsAutoString linkTitle;
1.576 + link->GetUriTitle(linkTitle);
1.577 +
1.578 + IPropertyStore* pPropStore = nullptr;
1.579 + HRESULT hres = psi->GetPropertyStore(GPS_DEFAULT, IID_IPropertyStore, (void**)&pPropStore);
1.580 + if (FAILED(hres))
1.581 + return NS_ERROR_UNEXPECTED;
1.582 +
1.583 + PROPVARIANT pv;
1.584 + InitPropVariantFromString(linkTitle.get(), &pv);
1.585 +
1.586 + // May fail due to shell item access permissions.
1.587 + pPropStore->SetValue(PKEY_ItemName, pv);
1.588 + pPropStore->Commit();
1.589 + pPropStore->Release();
1.590 +
1.591 + PropVariantClear(&pv);
1.592 +
1.593 + aShellItem = dont_AddRef(psi);
1.594 +
1.595 + return NS_OK;
1.596 +}
1.597 +
1.598 +// (static) For a given IShellItem, create and return a populated nsIJumpListLink.
1.599 +nsresult JumpListLink::GetJumpListLink(IShellItem *pItem, nsCOMPtr<nsIJumpListLink>& aLink)
1.600 +{
1.601 + NS_ENSURE_ARG_POINTER(pItem);
1.602 +
1.603 + // We assume for now these are URI links, but through properties we could
1.604 + // query and create other types.
1.605 + nsresult rv;
1.606 + LPWSTR lpstrName = nullptr;
1.607 +
1.608 + if (SUCCEEDED(pItem->GetDisplayName(SIGDN_URL, &lpstrName))) {
1.609 + nsCOMPtr<nsIURI> uri;
1.610 + nsAutoString spec(lpstrName);
1.611 +
1.612 + rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUTF16toUTF8(spec));
1.613 + if (NS_FAILED(rv))
1.614 + return NS_ERROR_INVALID_ARG;
1.615 +
1.616 + aLink->SetUri(uri);
1.617 +
1.618 + ::CoTaskMemFree(lpstrName);
1.619 + }
1.620 +
1.621 + return NS_OK;
1.622 +}
1.623 +
1.624 +// Confirm the app is on the system
1.625 +bool JumpListShortcut::ExecutableExists(nsCOMPtr<nsILocalHandlerApp>& handlerApp)
1.626 +{
1.627 + nsresult rv;
1.628 +
1.629 + if (!handlerApp)
1.630 + return false;
1.631 +
1.632 + nsCOMPtr<nsIFile> executable;
1.633 + rv = handlerApp->GetExecutable(getter_AddRefs(executable));
1.634 + if (NS_SUCCEEDED(rv) && executable) {
1.635 + bool exists;
1.636 + executable->Exists(&exists);
1.637 + return exists;
1.638 + }
1.639 + return false;
1.640 +}
1.641 +
1.642 +} // namespace widget
1.643 +} // namespace mozilla
1.644 +
