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authorZeno Albisser <zeno.albisser@digia.com>2013-08-15 21:46:11 +0200
committerZeno Albisser <zeno.albisser@digia.com>2013-08-15 21:46:11 +0200
commit679147eead574d186ebf3069647b4c23e8ccace6 (patch)
treefc247a0ac8ff119f7c8550879ebb6d3dd8d1ff69 /chromium/base/win/win_util.h
Initial import.
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+// Copyright (c) 2012 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.
+
+// =============================================================================
+// PLEASE READ
+//
+// In general, you should not be adding stuff to this file.
+//
+// - If your thing is only used in one place, just put it in a reasonable
+// location in or near that one place. It's nice you want people to be able
+// to re-use your function, but realistically, if it hasn't been necessary
+// before after so many years of development, it's probably not going to be
+// used in other places in the future unless you know of them now.
+//
+// - If your thing is used by multiple callers and is UI-related, it should
+// probably be in app/win/ instead. Try to put it in the most specific file
+// possible (avoiding the *_util files when practical).
+//
+// =============================================================================
+
+#ifndef BASE_WIN_WIN_UTIL_H_
+#define BASE_WIN_WIN_UTIL_H_
+
+#include <windows.h>
+
+#include <string>
+
+#include "base/base_export.h"
+#include "base/strings/string16.h"
+
+struct IPropertyStore;
+struct _tagpropertykey;
+typedef _tagpropertykey PROPERTYKEY;
+
+namespace base {
+namespace win {
+
+BASE_EXPORT void GetNonClientMetrics(NONCLIENTMETRICS* metrics);
+
+// Returns the string representing the current user sid.
+BASE_EXPORT bool GetUserSidString(std::wstring* user_sid);
+
+// Returns true if the shift key is currently pressed.
+BASE_EXPORT bool IsShiftPressed();
+
+// Returns true if the ctrl key is currently pressed.
+BASE_EXPORT bool IsCtrlPressed();
+
+// Returns true if the alt key is currently pressed.
+BASE_EXPORT bool IsAltPressed();
+
+// Returns false if user account control (UAC) has been disabled with the
+// EnableLUA registry flag. Returns true if user account control is enabled.
+// NOTE: The EnableLUA registry flag, which is ignored on Windows XP
+// machines, might still exist and be set to 0 (UAC disabled), in which case
+// this function will return false. You should therefore check this flag only
+// if the OS is Vista or later.
+BASE_EXPORT bool UserAccountControlIsEnabled();
+
+// Sets the boolean value for a given key in given IPropertyStore.
+BASE_EXPORT bool SetBooleanValueForPropertyStore(
+ IPropertyStore* property_store,
+ const PROPERTYKEY& property_key,
+ bool property_bool_value);
+
+// Sets the string value for a given key in given IPropertyStore.
+BASE_EXPORT bool SetStringValueForPropertyStore(
+ IPropertyStore* property_store,
+ const PROPERTYKEY& property_key,
+ const wchar_t* property_string_value);
+
+// Sets the application id in given IPropertyStore. The function is intended
+// for tagging application/chromium shortcut, browser window and jump list for
+// Win7.
+BASE_EXPORT bool SetAppIdForPropertyStore(IPropertyStore* property_store,
+ const wchar_t* app_id);
+
+// Adds the specified |command| using the specified |name| to the AutoRun key.
+// |root_key| could be HKCU or HKLM or the root of any user hive.
+BASE_EXPORT bool AddCommandToAutoRun(HKEY root_key, const string16& name,
+ const string16& command);
+// Removes the command specified by |name| from the AutoRun key. |root_key|
+// could be HKCU or HKLM or the root of any user hive.
+BASE_EXPORT bool RemoveCommandFromAutoRun(HKEY root_key, const string16& name);
+
+// Reads the command specified by |name| from the AutoRun key. |root_key|
+// could be HKCU or HKLM or the root of any user hive. Used for unit-tests.
+BASE_EXPORT bool ReadCommandFromAutoRun(HKEY root_key,
+ const string16& name,
+ string16* command);
+
+// Sets whether to crash the process during exit. This is inspected by DLLMain
+// and used to intercept unexpected terminations of the process (via calls to
+// exit(), abort(), _exit(), ExitProcess()) and convert them into crashes.
+// Note that not all mechanisms for terminating the process are covered by
+// this. In particular, TerminateProcess() is not caught.
+BASE_EXPORT void SetShouldCrashOnProcessDetach(bool crash);
+BASE_EXPORT bool ShouldCrashOnProcessDetach();
+
+// Adjusts the abort behavior so that crash reports can be generated when the
+// process is aborted.
+BASE_EXPORT void SetAbortBehaviorForCrashReporting();
+
+// A touch enabled device by this definition is something that has
+// integrated multi-touch ready to use and has Windows version > Windows7.
+BASE_EXPORT bool IsTouchEnabledDevice();
+
+// Get the size of a struct up to and including the specified member.
+// This is necessary to set compatible struct sizes for different versions
+// of certain Windows APIs (e.g. SystemParametersInfo).
+#define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(struct_name, member) \
+ offsetof(struct_name, member) + \
+ (sizeof static_cast<struct_name*>(NULL)->member)
+
+// Displays the on screen keyboard on Windows 8 and above. Returns true on
+// success.
+BASE_EXPORT bool DisplayVirtualKeyboard();
+
+// Dismisses the on screen keyboard if it is being displayed on Windows 8 and.
+// above. Returns true on success.
+BASE_EXPORT bool DismissVirtualKeyboard();
+
+} // namespace win
+} // namespace base
+
+#endif // BASE_WIN_WIN_UTIL_H_