content/renderer/resizing_mode_selector.cc

   1 // Copyright 2013 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/renderer/resizing_mode_selector.h"
   6
   7 #include "content/common/view_messages.h"
   8 #include "content/renderer/render_thread_impl.h"
   9 #include "content/renderer/render_widget.h"
  10 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  11
  12 namespace content {
  13
  14 ResizingModeSelector::ResizingModeSelector() : is_synchronous_mode_(false) {}
  15
  16 bool ResizingModeSelector::NeverUsesSynchronousResize() const {
  17   return !RenderThreadImpl::current() ||  // can be NULL when in unit tests
  18          !RenderThreadImpl::current()->layout_test_mode();
  19 }
  20
  21 bool ResizingModeSelector::ShouldAbortOnResize(
  22     RenderWidget* widget,
  23     const ViewMsg_Resize_Params& params) {
  24   return is_synchronous_mode_ &&
  25       params.is_fullscreen_granted == widget->is_fullscreen_granted() &&
  26       params.display_mode == widget->display_mode() &&
  27       params.screen_info.deviceScaleFactor ==
  28         widget->screenInfo().deviceScaleFactor;
  29 }
  30
  31 void ResizingModeSelector::set_is_synchronous_mode(bool mode) {
  32   is_synchronous_mode_ = mode;
  33 }
  34
  35 bool ResizingModeSelector::is_synchronous_mode() const {
  36   return is_synchronous_mode_;
  37 }
  38
  39 }  // namespace content