src/content/browser/web_contents/web_contents_view_guest.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/browser/web_contents/web_contents_view_guest.h"
   6
   7 #include "build/build_config.h"
   8 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
   9 #include "content/browser/browser_plugin/browser_plugin_guest.h"
  10 #include "content/browser/frame_host/interstitial_page_impl.h"
  11 #include "content/browser/frame_host/render_widget_host_view_guest.h"
  12 #include "content/browser/renderer_host/render_view_host_factory.h"
  13 #include "content/browser/renderer_host/render_view_host_impl.h"
  14 #include "content/browser/web_contents/web_contents_impl.h"
  15 #include "content/common/drag_messages.h"
  16 #include "content/public/browser/user_metrics.h"
  17 #include "content/public/browser/web_contents_delegate.h"
  18 #include "content/public/common/context_menu_params.h"
  19 #include "content/public/common/drop_data.h"
  20 #include "ui/gfx/image/image_skia.h"
  21 #include "ui/gfx/point.h"
  22 #include "ui/gfx/rect.h"
  23 #include "ui/gfx/size.h"
  24
  25 #if defined(USE_AURA)
  26 #include "ui/aura/window.h"
  27 #endif
  28
  29 using blink::WebDragOperation;
  30 using blink::WebDragOperationsMask;
  31
  32 namespace content {
  33
  34 WebContentsViewGuest::WebContentsViewGuest(
  35     WebContentsImpl* web_contents,
  36     BrowserPluginGuest* guest,
  37     scoped_ptr<WebContentsView> platform_view,
  38     RenderViewHostDelegateView* platform_view_delegate_view)
  39     : web_contents_(web_contents),
  40       guest_(guest),
  41       platform_view_(platform_view.Pass()),
  42       platform_view_delegate_view_(platform_view_delegate_view) {
  43 }
  44
  45 WebContentsViewGuest::~WebContentsViewGuest() {
  46 }
  47
  48 gfx::NativeView WebContentsViewGuest::GetNativeView() const {
  49   return platform_view_->GetNativeView();
  50 }
  51
  52 gfx::NativeView WebContentsViewGuest::GetContentNativeView() const {
  53   RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
  54   if (!rwhv)
  55     return NULL;
  56   return rwhv->GetNativeView();
  57 }
  58
  59 gfx::NativeWindow WebContentsViewGuest::GetTopLevelNativeWindow() const {
  60   return guest_->embedder_web_contents()->GetTopLevelNativeWindow();
  61 }
  62
  63 void WebContentsViewGuest::OnGuestInitialized(WebContentsView* parent_view) {
  64 #if defined(USE_AURA)
  65   // In aura, ScreenPositionClient doesn't work properly if we do
  66   // not have the native view associated with this WebContentsViewGuest in the
  67   // view hierarchy. We add this view as embedder's child here.
  68   // This would go in WebContentsViewGuest::CreateView, but that is too early to
  69   // access embedder_web_contents(). Therefore, we do it here.
  70   parent_view->GetNativeView()->AddChild(platform_view_->GetNativeView());
  71 #endif  // defined(USE_AURA)
  72 }
  73
  74 ContextMenuParams WebContentsViewGuest::ConvertContextMenuParams(
  75     const ContextMenuParams& params) const {
  76 #if defined(USE_AURA)
  77   // Context menu uses ScreenPositionClient::ConvertPointToScreen() in aura
  78   // to calculate popup position. Guest's native view
  79   // (platform_view_->GetNativeView()) is part of the embedder's view hierarchy,
  80   // but is placed at (0, 0) w.r.t. the embedder's position. Therefore, |offset|
  81   // is added to |params|.
  82   gfx::Rect embedder_bounds;
  83   guest_->embedder_web_contents()->GetView()->GetContainerBounds(
  84       &embedder_bounds);
  85   gfx::Rect guest_bounds;
  86   GetContainerBounds(&guest_bounds);
  87
  88   gfx::Vector2d offset = guest_bounds.origin() - embedder_bounds.origin();
  89   ContextMenuParams params_in_embedder = params;
  90   params_in_embedder.x += offset.x();
  91   params_in_embedder.y += offset.y();
  92   return params_in_embedder;
  93 #else
  94   return params;
  95 #endif
  96 }
  97
  98 void WebContentsViewGuest::GetContainerBounds(gfx::Rect* out) const {
  99   // We need embedder container's bounds to calculate our bounds.
 100   guest_->embedder_web_contents()->GetView()->GetContainerBounds(out);
 101   gfx::Point guest_coordinates = guest_->GetScreenCoordinates(gfx::Point());
 102   out->Offset(guest_coordinates.x(), guest_coordinates.y());
 103   out->set_size(size_);
 104 }
 105
 106 void WebContentsViewGuest::SizeContents(const gfx::Size& size) {
 107   size_ = size;
 108   RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
 109   if (rwhv)
 110     rwhv->SetSize(size);
 111 }
 112
 113 void WebContentsViewGuest::SetInitialFocus() {
 114   platform_view_->SetInitialFocus();
 115 }
 116
 117 gfx::Rect WebContentsViewGuest::GetViewBounds() const {
 118   return gfx::Rect(size_);
 119 }
 120
 121 #if defined(OS_MACOSX)
 122 void WebContentsViewGuest::SetAllowOverlappingViews(bool overlapping) {
 123   platform_view_->SetAllowOverlappingViews(overlapping);
 124 }
 125
 126 bool WebContentsViewGuest::GetAllowOverlappingViews() const {
 127   return platform_view_->GetAllowOverlappingViews();
 128 }
 129
 130 void WebContentsViewGuest::SetAllowOtherViews(bool allow) {
 131   platform_view_->SetAllowOtherViews(allow);
 132 }
 133
 134 bool WebContentsViewGuest::GetAllowOtherViews() const {
 135   return platform_view_->GetAllowOtherViews();
 136 }
 137 #endif
 138
 139 void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
 140                                       gfx::NativeView context) {
 141   platform_view_->CreateView(initial_size, context);
 142   size_ = initial_size;
 143 }
 144
 145 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForWidget(
 146     RenderWidgetHost* render_widget_host) {
 147   if (render_widget_host->GetView()) {
 148     // During testing, the view will already be set up in most cases to the
 149     // test view, so we don't want to clobber it with a real one. To verify that
 150     // this actually is happening (and somebody isn't accidentally creating the
 151     // view twice), we check for the RVH Factory, which will be set when we're
 152     // making special ones (which go along with the special views).
 153     DCHECK(RenderViewHostFactory::has_factory());
 154     return static_cast<RenderWidgetHostViewBase*>(
 155         render_widget_host->GetView());
 156   }
 157
 158   RenderWidgetHostViewBase* platform_widget =
 159       platform_view_->CreateViewForWidget(render_widget_host);
 160
 161   RenderWidgetHostViewBase* view = new RenderWidgetHostViewGuest(
 162       render_widget_host,
 163       guest_,
 164       platform_widget);
 165
 166   return view;
 167 }
 168
 169 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForPopupWidget(
 170     RenderWidgetHost* render_widget_host) {
 171   return platform_view_->CreateViewForPopupWidget(render_widget_host);
 172 }
 173
 174 void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
 175 }
 176
 177 void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
 178   platform_view_->RenderViewCreated(host);
 179 }
 180
 181 void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
 182   platform_view_->RenderViewSwappedIn(host);
 183 }
 184
 185 void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
 186   // This should never override the setting of the embedder view.
 187 }
 188
 189 #if defined(OS_MACOSX)
 190 bool WebContentsViewGuest::IsEventTracking() const {
 191   return false;
 192 }
 193
 194 void WebContentsViewGuest::CloseTabAfterEventTracking() {
 195 }
 196 #endif
 197
 198 WebContents* WebContentsViewGuest::web_contents() {
 199   return web_contents_;
 200 }
 201
 202 void WebContentsViewGuest::RestoreFocus() {
 203   platform_view_->RestoreFocus();
 204 }
 205
 206 void WebContentsViewGuest::Focus() {
 207   platform_view_->Focus();
 208 }
 209
 210 void WebContentsViewGuest::StoreFocus() {
 211   platform_view_->StoreFocus();
 212 }
 213
 214 DropData* WebContentsViewGuest::GetDropData() const {
 215   NOTIMPLEMENTED();
 216   return NULL;
 217 }
 218
 219 void WebContentsViewGuest::UpdateDragCursor(WebDragOperation operation) {
 220   RenderViewHostImpl* embedder_render_view_host =
 221       static_cast<RenderViewHostImpl*>(
 222           guest_->embedder_web_contents()->GetRenderViewHost());
 223   CHECK(embedder_render_view_host);
 224   RenderViewHostDelegateView* view =
 225       embedder_render_view_host->GetDelegate()->GetDelegateView();
 226   if (view)
 227     view->UpdateDragCursor(operation);
 228 }
 229
 230 void WebContentsViewGuest::GotFocus() {
 231 }
 232
 233 void WebContentsViewGuest::TakeFocus(bool reverse) {
 234 }
 235
 236 void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
 237                                            const ContextMenuParams& params) {
 238   platform_view_delegate_view_->ShowContextMenu(
 239       render_frame_host, ConvertContextMenuParams(params));
 240 }
 241
 242 void WebContentsViewGuest::StartDragging(
 243     const DropData& drop_data,
 244     WebDragOperationsMask ops,
 245     const gfx::ImageSkia& image,
 246     const gfx::Vector2d& image_offset,
 247     const DragEventSourceInfo& event_info) {
 248   WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
 249   embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
 250   RenderViewHostImpl* embedder_render_view_host =
 251       static_cast<RenderViewHostImpl*>(
 252           embedder_web_contents->GetRenderViewHost());
 253   CHECK(embedder_render_view_host);
 254   RenderViewHostDelegateView* view =
 255       embedder_render_view_host->GetDelegate()->GetDelegateView();
 256   if (view) {
 257     RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
 258     view->StartDragging(drop_data, ops, image, image_offset, event_info);
 259   } else {
 260     embedder_web_contents->SystemDragEnded();
 261   }
 262 }
 263
 264 }  // namespace content