content/browser/host_zoom_level_context.cc

   1 // Copyright 2014 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 "content/browser/host_zoom_level_context.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "content/browser/host_zoom_map_impl.h"
   9 #include "content/public/browser/browser_thread.h"
  10
  11 namespace content {
  12
  13 HostZoomLevelContext::HostZoomLevelContext(
  14     scoped_ptr<ZoomLevelDelegate> zoom_level_delegate)
  15     : host_zoom_map_impl_(new HostZoomMapImpl()),
  16       zoom_level_delegate_(zoom_level_delegate.Pass()) {
  17   if (zoom_level_delegate_)
  18     zoom_level_delegate_->InitHostZoomMap(host_zoom_map_impl_.get());
  19 }
  20
  21 HostZoomLevelContext::~HostZoomLevelContext() {}
  22
  23 void HostZoomLevelContext::DeleteOnCorrectThread() const {
  24   if (BrowserThread::IsMessageLoopValid(BrowserThread::UI) &&
  25       !BrowserThread::CurrentlyOn(BrowserThread::UI)) {
  26     BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this);
  27     return;
  28   }
  29   delete this;
  30 }
  31
  32 }  // namespace content