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::SetOverlayView(
 131     WebContentsView* overlay, const gfx::Point& offset) {
 132   platform_view_->SetOverlayView(overlay, offset);
 133 }
 134
 135 void WebContentsViewGuest::RemoveOverlayView() {
 136   platform_view_->RemoveOverlayView();
 137 }
 138 #endif
 139
 140 void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
 141                                       gfx::NativeView context) {
 142   platform_view_->CreateView(initial_size, context);
 143   size_ = initial_size;
 144 }
 145
 146 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForWidget(
 147     RenderWidgetHost* render_widget_host) {
 148   if (render_widget_host->GetView()) {
 149     // During testing, the view will already be set up in most cases to the
 150     // test view, so we don't want to clobber it with a real one. To verify that
 151     // this actually is happening (and somebody isn't accidentally creating the
 152     // view twice), we check for the RVH Factory, which will be set when we're
 153     // making special ones (which go along with the special views).
 154     DCHECK(RenderViewHostFactory::has_factory());
 155     return static_cast<RenderWidgetHostViewBase*>(
 156         render_widget_host->GetView());
 157   }
 158
 159   RenderWidgetHostViewBase* platform_widget =
 160       platform_view_->CreateViewForWidget(render_widget_host);
 161
 162   RenderWidgetHostViewBase* view = new RenderWidgetHostViewGuest(
 163       render_widget_host,
 164       guest_,
 165       platform_widget);
 166
 167   return view;
 168 }
 169
 170 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForPopupWidget(
 171     RenderWidgetHost* render_widget_host) {
 172   return platform_view_->CreateViewForPopupWidget(render_widget_host);
 173 }
 174
 175 void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
 176 }
 177
 178 void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
 179   platform_view_->RenderViewCreated(host);
 180 }
 181
 182 void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
 183   platform_view_->RenderViewSwappedIn(host);
 184 }
 185
 186 void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
 187   // This should never override the setting of the embedder view.
 188 }
 189
 190 #if defined(OS_MACOSX)
 191 bool WebContentsViewGuest::IsEventTracking() const {
 192   return false;
 193 }
 194
 195 void WebContentsViewGuest::CloseTabAfterEventTracking() {
 196 }
 197 #endif
 198
 199 WebContents* WebContentsViewGuest::web_contents() {
 200   return web_contents_;
 201 }
 202
 203 void WebContentsViewGuest::RestoreFocus() {
 204   platform_view_->RestoreFocus();
 205 }
 206
 207 void WebContentsViewGuest::Focus() {
 208   platform_view_->Focus();
 209 }
 210
 211 void WebContentsViewGuest::StoreFocus() {
 212   platform_view_->StoreFocus();
 213 }
 214
 215 DropData* WebContentsViewGuest::GetDropData() const {
 216   NOTIMPLEMENTED();
 217   return NULL;
 218 }
 219
 220 void WebContentsViewGuest::UpdateDragCursor(WebDragOperation operation) {
 221   RenderViewHostImpl* embedder_render_view_host =
 222       static_cast<RenderViewHostImpl*>(
 223           guest_->embedder_web_contents()->GetRenderViewHost());
 224   CHECK(embedder_render_view_host);
 225   RenderViewHostDelegateView* view =
 226       embedder_render_view_host->GetDelegate()->GetDelegateView();
 227   if (view)
 228     view->UpdateDragCursor(operation);
 229 }
 230
 231 void WebContentsViewGuest::GotFocus() {
 232 }
 233
 234 void WebContentsViewGuest::TakeFocus(bool reverse) {
 235 }
 236
 237 void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
 238                                            const ContextMenuParams& params) {
 239   platform_view_delegate_view_->ShowContextMenu(
 240       render_frame_host, ConvertContextMenuParams(params));
 241 }
 242
 243 void WebContentsViewGuest::StartDragging(
 244     const DropData& drop_data,
 245     WebDragOperationsMask ops,
 246     const gfx::ImageSkia& image,
 247     const gfx::Vector2d& image_offset,
 248     const DragEventSourceInfo& event_info) {
 249   WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
 250   embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
 251   RenderViewHostImpl* embedder_render_view_host =
 252       static_cast<RenderViewHostImpl*>(
 253           embedder_web_contents->GetRenderViewHost());
 254   CHECK(embedder_render_view_host);
 255   RenderViewHostDelegateView* view =
 256       embedder_render_view_host->GetDelegate()->GetDelegateView();
 257   if (view) {
 258     RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
 259     view->StartDragging(drop_data, ops, image, image_offset, event_info);
 260   } else {
 261     embedder_web_contents->SystemDragEnded();
 262   }
 263 }
 264
 265 }  // namespace content