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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "app/win/shell.h"
#include <shellapi.h>
#include <shlobj.h>
#include "base/file_path.h"
#include "base/native_library.h"
#include "base/string_util.h"
#include "base/win/scoped_comptr.h"
#include "base/win/win_util.h"
#include "base/win/windows_version.h"
namespace app {
namespace win {
namespace {
const wchar_t kShell32[] = L"shell32.dll";
const char kSHGetPropertyStoreForWindow[] = "SHGetPropertyStoreForWindow";
// Define the type of SHGetPropertyStoreForWindow is SHGPSFW.
typedef DECLSPEC_IMPORT HRESULT (STDAPICALLTYPE *SHGPSFW)(HWND hwnd,
REFIID riid,
void** ppv);
} // namespace
// Open an item via a shell execute command. Error code checking and casting
// explanation: http://msdn2.microsoft.com/en-us/library/ms647732.aspx
bool OpenItemViaShell(const FilePath& full_path) {
HINSTANCE h = ::ShellExecuteW(
NULL, NULL, full_path.value().c_str(), NULL,
full_path.DirName().value().c_str(), SW_SHOWNORMAL);
LONG_PTR error = reinterpret_cast<LONG_PTR>(h);
if (error > 32)
return true;
if ((error == SE_ERR_NOASSOC))
return OpenItemWithExternalApp(full_path.value());
return false;
}
bool OpenItemViaShellNoZoneCheck(const FilePath& full_path) {
SHELLEXECUTEINFO sei = { sizeof(sei) };
sei.fMask = SEE_MASK_NOZONECHECKS | SEE_MASK_FLAG_DDEWAIT;
sei.nShow = SW_SHOWNORMAL;
sei.lpVerb = NULL;
sei.lpFile = full_path.value().c_str();
if (::ShellExecuteExW(&sei))
return true;
LONG_PTR error = reinterpret_cast<LONG_PTR>(sei.hInstApp);
if ((error == SE_ERR_NOASSOC))
return OpenItemWithExternalApp(full_path.value());
return false;
}
// Show the Windows "Open With" dialog box to ask the user to pick an app to
// open the file with.
bool OpenItemWithExternalApp(const string16& full_path) {
SHELLEXECUTEINFO sei = { sizeof(sei) };
sei.fMask = SEE_MASK_FLAG_DDEWAIT;
sei.nShow = SW_SHOWNORMAL;
sei.lpVerb = L"openas";
sei.lpFile = full_path.c_str();
return (TRUE == ::ShellExecuteExW(&sei));
}
void SetAppIdForWindow(const string16& app_id, HWND hwnd) {
// This functionality is only available on Win7+.
if (base::win::GetVersion() < base::win::VERSION_WIN7)
return;
// Load Shell32.dll into memory.
// TODO(brg): Remove this mechanism when the Win7 SDK is available in trunk.
std::wstring shell32_filename(kShell32);
FilePath shell32_filepath(shell32_filename);
base::NativeLibrary shell32_library = base::LoadNativeLibrary(
shell32_filepath);
if (!shell32_library)
return;
// Get the function pointer for SHGetPropertyStoreForWindow.
void* function = base::GetFunctionPointerFromNativeLibrary(
shell32_library,
kSHGetPropertyStoreForWindow);
if (!function) {
base::UnloadNativeLibrary(shell32_library);
return;
}
// Set the application's name.
base::win::ScopedComPtr<IPropertyStore> pps;
SHGPSFW SHGetPropertyStoreForWindow = static_cast<SHGPSFW>(function);
HRESULT result = SHGetPropertyStoreForWindow(
hwnd, __uuidof(*pps), reinterpret_cast<void**>(pps.Receive()));
if (S_OK == result)
base::win::SetAppIdForPropertyStore(pps, app_id.c_str());
// Cleanup.
base::UnloadNativeLibrary(shell32_library);
}
} // namespace win
} // namespace app
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