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      1 // Copyright (c) 2009 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 #include "chrome/browser/chromeos/cros/touchpad_library.h"
      6 
      7 #include "base/message_loop.h"
      8 #include "chrome/browser/chromeos/cros/cros_library.h"
      9 #include "content/browser/browser_thread.h"
     10 
     11 namespace chromeos {
     12 
     13 class TouchpadLibraryImpl : public TouchpadLibrary {
     14  public:
     15   TouchpadLibraryImpl() {}
     16   virtual ~TouchpadLibraryImpl() {}
     17 
     18   void SetSensitivity(int value) {
     19     if (CrosLibrary::Get()->EnsureLoaded()) {
     20       BrowserThread::PostTask(
     21           BrowserThread::FILE, FROM_HERE,
     22           NewRunnableFunction(&SetTouchpadSensitivity, value));
     23     }
     24   }
     25 
     26   void SetTapToClick(bool enabled) {
     27     if (CrosLibrary::Get()->EnsureLoaded()) {
     28       BrowserThread::PostTask(
     29           BrowserThread::FILE, FROM_HERE,
     30           NewRunnableFunction(&SetTouchpadTapToClick, enabled));
     31     }
     32   }
     33 
     34   DISALLOW_COPY_AND_ASSIGN(TouchpadLibraryImpl);
     35 };
     36 
     37 class TouchpadLibraryStubImpl : public TouchpadLibrary {
     38  public:
     39   TouchpadLibraryStubImpl() {}
     40   virtual ~TouchpadLibraryStubImpl() {}
     41   void SetSensitivity(int value) {}
     42   void SetTapToClick(bool enabled) {}
     43 
     44  private:
     45   DISALLOW_COPY_AND_ASSIGN(TouchpadLibraryStubImpl);
     46 };
     47 
     48 // static
     49 TouchpadLibrary* TouchpadLibrary::GetImpl(bool stub) {
     50   if (stub)
     51     return new TouchpadLibraryStubImpl();
     52   else
     53     return new TouchpadLibraryImpl();
     54 }
     55 
     56 }  // namespace chromeos
     57