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/strings/string16.h"
  11 #include "ui/gfx/native_widget_types.h"
  12
  13 class GURL;
  14 class Profile;
  15
  16 namespace base {
  17 class FilePath;
  18 }
  19
  20 namespace platform_util {
  21
  22 // Show the given file in a file manager. If possible, select the file.
  23 // The |profile| is used to determine the running profile of file manager app
  24 // in Chrome OS only. Not used in other platforms.
  25 // Must be called from the UI thread.
  26 void ShowItemInFolder(Profile* profile, const base::FilePath& full_path);
  27
  28 // Open the given file in the desktop's default manner.
  29 // Must be called from the UI thread.
  30 void OpenItem(Profile* profile, const base::FilePath& full_path);
  31
  32 // Open the given external protocol URL in the desktop's default manner.
  33 // (For example, mailto: URLs in the default mail user agent.)
  34 // Must be called from the UI thread.
  35 void OpenExternal(Profile* profile, const GURL& url);
  36
  37 // Get the top level window for the native view. This can return NULL.
  38 gfx::NativeWindow GetTopLevel(gfx::NativeView view);
  39
  40 // Get the direct parent of |view|, may return NULL.
  41 gfx::NativeView GetParent(gfx::NativeView view);
  42
  43 // Returns true if |window| is the foreground top level window.
  44 bool IsWindowActive(gfx::NativeWindow window);
  45
  46 // Activate the window, bringing it to the foreground top level.
  47 void ActivateWindow(gfx::NativeWindow window);
  48
  49 // Returns true if the view is visible. The exact definition of this is
  50 // platform-specific, but it is generally not "visible to the user", rather
  51 // whether the view has the visible attribute set.
  52 bool IsVisible(gfx::NativeView view);
  53
  54 #if defined(OS_MACOSX)
  55 // On 10.7+, back and forward swipe gestures can be triggered using a scroll
  56 // gesture, if enabled in System Preferences. This function returns true if
  57 // the feature is supported and enabled, and false otherwise.
  58 bool IsSwipeTrackingFromScrollEventsEnabled();
  59 #endif
  60
  61 }  // namespace platform_util
  62
  63 #endif  // CHROME_BROWSER_PLATFORM_UTIL_H_