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 static_assert(int(TOP_CONTROLS_STATE_SHOWN) == int(cc::SHOWN),
  18               "mismatching enums: SHOWN");
  19 static_assert(int(TOP_CONTROLS_STATE_HIDDEN) == int(cc::HIDDEN),
  20               "mismatching enums: HIDDEN");
  21 static_assert(int(TOP_CONTROLS_STATE_BOTH) == int(cc::BOTH),
  22               "mismatching enums: BOTH");
  23
  24 cc::TopControlsState ContentToCcTopControlsState(
  25     TopControlsState state) {
  26   return static_cast<cc::TopControlsState>(state);
  27 }
  28
  29 // TODO(mvanouwerkerk): Stop calling this code path and delete it.
  30 void RenderViewImpl::OnUpdateTopControlsState(bool enable_hiding,
  31                                               bool enable_showing,
  32                                               bool animate) {
  33   // TODO(tedchoc): Investigate why messages are getting here before the
  34   //                compositor has been initialized.
  35   LOG_IF(WARNING, !compositor_) << "OnUpdateTopControlsState was unhandled.";
  36   if (compositor_) {
  37     cc::TopControlsState constraints = cc::BOTH;
  38     if (!enable_showing)
  39       constraints = cc::HIDDEN;
  40     if (!enable_hiding)
  41       constraints = cc::SHOWN;
  42     cc::TopControlsState current = cc::BOTH;
  43     compositor_->UpdateTopControlsState(constraints, current, animate);
  44     top_controls_constraints_ = constraints;
  45   }
  46 }
  47
  48 void RenderViewImpl::UpdateTopControlsState(TopControlsState constraints,
  49                                             TopControlsState current,
  50                                             bool animate) {
  51   cc::TopControlsState constraints_cc =
  52       ContentToCcTopControlsState(constraints);
  53   cc::TopControlsState current_cc = ContentToCcTopControlsState(current);
  54   if (compositor_)
  55     compositor_->UpdateTopControlsState(constraints_cc, current_cc, animate);
  56   top_controls_constraints_ = constraints_cc;
  57 }
  58
  59 void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) {
  60   if (delta.height == 0)
  61     return;
  62   if (compositor_) {
  63     cc::TopControlsState current = delta.height < 0 ? cc::SHOWN : cc::HIDDEN;
  64     compositor_->UpdateTopControlsState(top_controls_constraints_,
  65                                         current,
  66                                         true);
  67   }
  68 }
  69
  70 void RenderViewImpl::OnExtractSmartClipData(const gfx::Rect& rect) {
  71   blink::WebString clip_text;
  72   blink::WebString clip_html;
  73   blink::WebRect clip_rect;
  74   webview()->extractSmartClipData(rect, clip_text, clip_html, clip_rect);
  75   Send(new ViewHostMsg_SmartClipDataExtracted(
  76       routing_id_, clip_text, clip_html, clip_rect));
  77 }
  78
  79 }  // namespace content