chrome/browser/platform_util.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_PLATFORM_UTIL_H_
   6 #define CHROME_BROWSER_PLATFORM_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "base/string16.h"
  11 #include "ui/gfx/native_widget_types.h"
  12
  13 class GURL;
  14
  15 namespace base {
  16 class FilePath;
  17 }
  18
  19 namespace platform_util {
  20
  21 // Show the given file in a file manager. If possible, select the file.
  22 // Must be called from the UI thread.
  23 void ShowItemInFolder(const base::FilePath& full_path);
  24
  25 // Open the given file in the desktop's default manner.
  26 // Must be called from the UI thread.
  27 void OpenItem(const base::FilePath& full_path);
  28
  29 // Open the given external protocol URL in the desktop's default manner.
  30 // (For example, mailto: URLs in the default mail user agent.)
  31 void OpenExternal(const GURL& url);
  32
  33 // Get the top level window for the native view. This can return NULL.
  34 gfx::NativeWindow GetTopLevel(gfx::NativeView view);
  35
  36 // Get the direct parent of |view|, may return NULL.
  37 gfx::NativeView GetParent(gfx::NativeView view);
  38
  39 // Returns true if |window| is the foreground top level window.
  40 bool IsWindowActive(gfx::NativeWindow window);
  41
  42 // Activate the window, bringing it to the foreground top level.
  43 void ActivateWindow(gfx::NativeWindow window);
  44
  45 // Returns true if the view is visible. The exact definition of this is
  46 // platform-specific, but it is generally not "visible to the user", rather
  47 // whether the view has the visible attribute set.
  48 bool IsVisible(gfx::NativeView view);
  49
  50 #if defined(OS_MACOSX)
  51 // On 10.7+, back and forward swipe gestures can be triggered using a scroll
  52 // gesture, if enabled in System Preferences. This function returns true if
  53 // the feature is supported and enabled, and false otherwise.
  54 bool IsSwipeTrackingFromScrollEventsEnabled();
  55 #endif
  56
  57 }  // platform_util
  58
  59 #endif  // CHROME_BROWSER_PLATFORM_UTIL_H_