content/renderer/render_view_impl_android.cc

   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 #include "content/renderer/render_view_impl.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "cc/trees/layer_tree_host.h"
  10 #include "content/common/view_messages.h"
  11 #include "content/renderer/gpu/render_widget_compositor.h"
  12 #include "third_party/WebKit/public/web/WebView.h"
  13
  14 namespace content {
  15
  16 // Check content::TopControlsState and cc::TopControlsState are kept in sync.
  17 COMPILE_ASSERT(int(SHOWN) == int(cc::SHOWN), mismatching_enums);
  18 COMPILE_ASSERT(int(HIDDEN) == int(cc::HIDDEN), mismatching_enums);
  19 COMPILE_ASSERT(int(BOTH) == int(cc::BOTH), mismatching_enums);
  20
  21 cc::TopControlsState ContentToCcTopControlsState(
  22     TopControlsState state) {
  23   return static_cast<cc::TopControlsState>(state);
  24 }
  25
  26 // TODO(mvanouwerkerk): Stop calling this code path and delete it.
  27 void RenderViewImpl::OnUpdateTopControlsState(bool enable_hiding,
  28                                               bool enable_showing,
  29                                               bool animate) {
  30   // TODO(tedchoc): Investigate why messages are getting here before the
  31   //                compositor has been initialized.
  32   LOG_IF(WARNING, !compositor_) << "OnUpdateTopControlsState was unhandled.";
  33   if (compositor_) {
  34     cc::TopControlsState constraints = cc::BOTH;
  35     if (!enable_showing)
  36       constraints = cc::HIDDEN;
  37     if (!enable_hiding)
  38       constraints = cc::SHOWN;
  39     cc::TopControlsState current = cc::BOTH;
  40     compositor_->UpdateTopControlsState(constraints, current, animate);
  41     top_controls_constraints_ = constraints;
  42   }
  43 }
  44
  45 void RenderViewImpl::UpdateTopControlsState(TopControlsState constraints,
  46                                             TopControlsState current,
  47                                             bool animate) {
  48   cc::TopControlsState constraints_cc =
  49       ContentToCcTopControlsState(constraints);
  50   cc::TopControlsState current_cc = ContentToCcTopControlsState(current);
  51   if (compositor_)
  52     compositor_->UpdateTopControlsState(constraints_cc, current_cc, animate);
  53   top_controls_constraints_ = constraints_cc;
  54 }
  55
  56 void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) {
  57   if (delta.height == 0)
  58     return;
  59   if (compositor_) {
  60     cc::TopControlsState current = delta.height < 0 ? cc::SHOWN : cc::HIDDEN;
  61     compositor_->UpdateTopControlsState(top_controls_constraints_,
  62                                         current,
  63                                         true);
  64   }
  65 }
  66
  67 void RenderViewImpl::OnExtractSmartClipData(const gfx::Rect& rect) {
  68   Send(new ViewHostMsg_SmartClipDataExtracted(
  69       routing_id_, webview()->getSmartClipData(rect)));
  70 }
  71
  72 }  // namespace content