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 blink::WebWidget::TopControlsState
  17 // are kept in sync.
  18 static_assert(
  19     int(TOP_CONTROLS_STATE_SHOWN) == int(blink::WebTopControlsShown),
  20     "mismatching enums: SHOWN");
  21 static_assert(
  22     int(TOP_CONTROLS_STATE_HIDDEN) == int(blink::WebTopControlsHidden),
  23     "mismatching enums: HIDDEN");
  24 static_assert(
  25     int(TOP_CONTROLS_STATE_BOTH) == int(blink::WebTopControlsBoth),
  26     "mismatching enums: BOTH");
  27
  28 blink::WebTopControlsState ContentToBlink(
  29     TopControlsState state) {
  30   return static_cast<blink::WebTopControlsState>(state);
  31 }
  32
  33
  34 // TODO(mvanouwerkerk): Stop calling this code path and delete it.
  35 void RenderViewImpl::OnUpdateTopControlsState(bool enable_hiding,
  36                                               bool enable_showing,
  37                                               bool animate) {
  38   // TODO(tedchoc): Investigate why messages are getting here before the
  39   //                compositor has been initialized.
  40   LOG_IF(WARNING, !compositor_) << "OnUpdateTopControlsState was unhandled.";
  41   TopControlsState constraints = TOP_CONTROLS_STATE_BOTH;
  42   if (!enable_showing)
  43     constraints = TOP_CONTROLS_STATE_HIDDEN;
  44   if (!enable_hiding)
  45     constraints = TOP_CONTROLS_STATE_SHOWN;
  46   TopControlsState current = TOP_CONTROLS_STATE_BOTH;
  47
  48   UpdateTopControlsState(constraints, current, animate);
  49 }
  50
  51 void RenderViewImpl::UpdateTopControlsState(TopControlsState constraints,
  52                                             TopControlsState current,
  53                                             bool animate) {
  54   if (webwidget())
  55     webwidget()->updateTopControlsState(ContentToBlink(constraints),
  56                                         ContentToBlink(current),
  57                                         animate);
  58
  59   top_controls_constraints_ = constraints;
  60 }
  61
  62 void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) {
  63   if (delta.height == 0)
  64     return;
  65
  66   TopControlsState current = delta.height < 0 ? TOP_CONTROLS_STATE_SHOWN
  67                                               : TOP_CONTROLS_STATE_HIDDEN;
  68
  69   UpdateTopControlsState(top_controls_constraints_, current, true);
  70 }
  71
  72 void RenderViewImpl::OnExtractSmartClipData(const gfx::Rect& rect) {
  73   blink::WebString clip_text;
  74   blink::WebString clip_html;
  75   blink::WebRect clip_rect;
  76   webview()->extractSmartClipData(rect, clip_text, clip_html, clip_rect);
  77   Send(new ViewHostMsg_SmartClipDataExtracted(
  78       routing_id_, clip_text, clip_html, clip_rect));
  79 }
  80
  81 }  // namespace content