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/platform/WebRect.h"
  13 #include "third_party/WebKit/public/web/WebView.h"
  14
  15 namespace content {
  16
  17 // Check content::TopControlsState and cc::TopControlsState are kept in sync.
  18 COMPILE_ASSERT(int(SHOWN) == int(cc::SHOWN), mismatching_enums);
  19 COMPILE_ASSERT(int(HIDDEN) == int(cc::HIDDEN), mismatching_enums);
  20 COMPILE_ASSERT(int(BOTH) == int(cc::BOTH), mismatching_enums);
  21
  22 cc::TopControlsState ContentToCcTopControlsState(
  23     TopControlsState state) {
  24   return static_cast<cc::TopControlsState>(state);
  25 }
  26
  27 // TODO(mvanouwerkerk): Stop calling this code path and delete it.
  28 void RenderViewImpl::OnUpdateTopControlsState(bool enable_hiding,
  29                                               bool enable_showing,
  30                                               bool animate) {
  31   // TODO(tedchoc): Investigate why messages are getting here before the
  32   //                compositor has been initialized.
  33   LOG_IF(WARNING, !compositor_) << "OnUpdateTopControlsState was unhandled.";
  34   if (compositor_) {
  35     cc::TopControlsState constraints = cc::BOTH;
  36     if (!enable_showing)
  37       constraints = cc::HIDDEN;
  38     if (!enable_hiding)
  39       constraints = cc::SHOWN;
  40     cc::TopControlsState current = cc::BOTH;
  41     compositor_->UpdateTopControlsState(constraints, current, animate);
  42     top_controls_constraints_ = constraints;
  43   }
  44 }
  45
  46 void RenderViewImpl::UpdateTopControlsState(TopControlsState constraints,
  47                                             TopControlsState current,
  48                                             bool animate) {
  49   cc::TopControlsState constraints_cc =
  50       ContentToCcTopControlsState(constraints);
  51   cc::TopControlsState current_cc = ContentToCcTopControlsState(current);
  52   if (compositor_)
  53     compositor_->UpdateTopControlsState(constraints_cc, current_cc, animate);
  54   top_controls_constraints_ = constraints_cc;
  55 }
  56
  57 void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) {
  58   if (delta.height == 0)
  59     return;
  60   if (compositor_) {
  61     cc::TopControlsState current = delta.height < 0 ? cc::SHOWN : cc::HIDDEN;
  62     compositor_->UpdateTopControlsState(top_controls_constraints_,
  63                                         current,
  64                                         true);
  65   }
  66 }
  67
  68 void RenderViewImpl::OnExtractSmartClipData(const gfx::Rect& rect) {
  69   Send(new ViewHostMsg_SmartClipDataExtracted(
  70       routing_id_, webview()->getSmartClipData(rect)));
  71 }
  72
  73 void RenderViewImpl::GetSelectionRootBounds(gfx::Rect* bounds) const {
  74   blink::WebRect bounds_webrect;
  75   webview()->getSelectionRootBounds(bounds_webrect);
  76   *bounds = bounds_webrect;
  77 }
  78
  79 void RenderViewImpl::UpdateSelectionRootBounds() {
  80   if (!webview() || handling_ime_event_)
  81     return;
  82
  83   gfx::Rect bounds;
  84   GetSelectionRootBounds(&bounds);
  85   if (selection_root_rect_ != bounds) {
  86     selection_root_rect_ = bounds;
  87     Send(new ViewHostMsg_SelectionRootBoundsChanged(routing_id_, bounds));
  88   }
  89 }
  90
  91 }  // namespace content