content/public/child/child_thread.h

   1 // Copyright 2015 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 CONTENT_PUBLIC_CHILD_CHILD_THREAD_H_
   6 #define CONTENT_PUBLIC_CHILD_CHILD_THREAD_H_
   7
   8 #include "content/common/content_export.h"
   9 #include "ipc/ipc_sender.h"
  10
  11 #if defined(OS_WIN)
  12 #include <windows.h>
  13 #endif
  14
  15 namespace content {
  16
  17 class CONTENT_EXPORT ChildThread : public IPC::Sender {
  18  public:
  19   // Returns the one child thread for this process.  Note that this can only be
  20   // accessed when running on the child thread itself.
  21   static ChildThread* Get();
  22
  23   ~ChildThread() override {}
  24
  25 #if defined(OS_WIN)
  26   // Request that the given font be loaded by the browser so it's cached by the
  27   // OS. Please see ChildProcessHost::PreCacheFont for details.
  28   virtual void PreCacheFont(const LOGFONT& log_font) = 0;
  29
  30   // Release cached font.
  31   virtual void ReleaseCachedFonts() = 0;
  32 #endif
  33 };
  34
  35 }  // namespace content
  36
  37 #endif  // CONTENT_PUBLIC_CHILD_CHILD_THREAD_H_