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::OnGuestAttached(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 void WebContentsViewGuest::OnGuestDetached(WebContentsView* old_parent_view) {
  75 #if defined(USE_AURA)
  76   old_parent_view->GetNativeView()->RemoveChild(
  77       platform_view_->GetNativeView());
  78 #endif  // defined(USE_AURA)
  79 }
  80
  81 ContextMenuParams WebContentsViewGuest::ConvertContextMenuParams(
  82     const ContextMenuParams& params) const {
  83   // We need to add |offset| of the guest from the embedder to position the
  84   // menu properly.
  85   gfx::Rect embedder_bounds;
  86   guest_->embedder_web_contents()->GetView()->GetContainerBounds(
  87       &embedder_bounds);
  88   gfx::Rect guest_bounds;
  89   GetContainerBounds(&guest_bounds);
  90
  91   gfx::Vector2d offset = guest_bounds.origin() - embedder_bounds.origin();
  92   ContextMenuParams params_in_embedder = params;
  93   params_in_embedder.x += offset.x();
  94   params_in_embedder.y += offset.y();
  95   return params_in_embedder;
  96 }
  97
  98 void WebContentsViewGuest::GetContainerBounds(gfx::Rect* out) const {
  99   if (guest_->embedder_web_contents()) {
 100     // We need embedder container's bounds to calculate our bounds.
 101     guest_->embedder_web_contents()->GetView()->GetContainerBounds(out);
 102     gfx::Point guest_coordinates = guest_->GetScreenCoordinates(gfx::Point());
 103     out->Offset(guest_coordinates.x(), guest_coordinates.y());
 104   } else {
 105     out->set_origin(gfx::Point());
 106   }
 107
 108   out->set_size(size_);
 109 }
 110
 111 void WebContentsViewGuest::SizeContents(const gfx::Size& size) {
 112   size_ = size;
 113   RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
 114   if (rwhv)
 115     rwhv->SetSize(size);
 116 }
 117
 118 void WebContentsViewGuest::SetInitialFocus() {
 119   platform_view_->SetInitialFocus();
 120 }
 121
 122 gfx::Rect WebContentsViewGuest::GetViewBounds() const {
 123   return gfx::Rect(size_);
 124 }
 125
 126 #if defined(OS_MACOSX)
 127 void WebContentsViewGuest::SetAllowOtherViews(bool allow) {
 128   platform_view_->SetAllowOtherViews(allow);
 129 }
 130
 131 bool WebContentsViewGuest::GetAllowOtherViews() const {
 132   return platform_view_->GetAllowOtherViews();
 133 }
 134 #endif
 135
 136 void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
 137                                       gfx::NativeView context) {
 138   platform_view_->CreateView(initial_size, context);
 139   size_ = initial_size;
 140 }
 141
 142 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForWidget(
 143     RenderWidgetHost* render_widget_host, bool is_guest_view_hack) {
 144   if (render_widget_host->GetView()) {
 145     // During testing, the view will already be set up in most cases to the
 146     // test view, so we don't want to clobber it with a real one. To verify that
 147     // this actually is happening (and somebody isn't accidentally creating the
 148     // view twice), we check for the RVH Factory, which will be set when we're
 149     // making special ones (which go along with the special views).
 150     DCHECK(RenderViewHostFactory::has_factory());
 151     return static_cast<RenderWidgetHostViewBase*>(
 152         render_widget_host->GetView());
 153   }
 154
 155   RenderWidgetHostViewBase* platform_widget =
 156       platform_view_->CreateViewForWidget(render_widget_host, true);
 157
 158   return new RenderWidgetHostViewGuest(render_widget_host,
 159                                        guest_,
 160                                        platform_widget->GetWeakPtr());
 161 }
 162
 163 RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForPopupWidget(
 164     RenderWidgetHost* render_widget_host) {
 165   return platform_view_->CreateViewForPopupWidget(render_widget_host);
 166 }
 167
 168 void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
 169 }
 170
 171 void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
 172   platform_view_->RenderViewCreated(host);
 173 }
 174
 175 void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
 176   platform_view_->RenderViewSwappedIn(host);
 177 }
 178
 179 void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
 180   // This should never override the setting of the embedder view.
 181 }
 182
 183 #if defined(OS_MACOSX)
 184 bool WebContentsViewGuest::IsEventTracking() const {
 185   return false;
 186 }
 187
 188 void WebContentsViewGuest::CloseTabAfterEventTracking() {
 189 }
 190 #endif
 191
 192 WebContents* WebContentsViewGuest::web_contents() {
 193   return web_contents_;
 194 }
 195
 196 void WebContentsViewGuest::RestoreFocus() {
 197   platform_view_->RestoreFocus();
 198 }
 199
 200 void WebContentsViewGuest::Focus() {
 201   platform_view_->Focus();
 202 }
 203
 204 void WebContentsViewGuest::StoreFocus() {
 205   platform_view_->StoreFocus();
 206 }
 207
 208 DropData* WebContentsViewGuest::GetDropData() const {
 209   NOTIMPLEMENTED();
 210   return NULL;
 211 }
 212
 213 void WebContentsViewGuest::UpdateDragCursor(WebDragOperation operation) {
 214   RenderViewHostImpl* embedder_render_view_host =
 215       static_cast<RenderViewHostImpl*>(
 216           guest_->embedder_web_contents()->GetRenderViewHost());
 217   CHECK(embedder_render_view_host);
 218   RenderViewHostDelegateView* view =
 219       embedder_render_view_host->GetDelegate()->GetDelegateView();
 220   if (view)
 221     view->UpdateDragCursor(operation);
 222 }
 223
 224 void WebContentsViewGuest::GotFocus() {
 225 }
 226
 227 void WebContentsViewGuest::TakeFocus(bool reverse) {
 228 }
 229
 230 void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
 231                                            const ContextMenuParams& params) {
 232   platform_view_delegate_view_->ShowContextMenu(
 233       render_frame_host, ConvertContextMenuParams(params));
 234 }
 235
 236 void WebContentsViewGuest::StartDragging(
 237     const DropData& drop_data,
 238     WebDragOperationsMask ops,
 239     const gfx::ImageSkia& image,
 240     const gfx::Vector2d& image_offset,
 241     const DragEventSourceInfo& event_info) {
 242   WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
 243   embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
 244   RenderViewHostImpl* embedder_render_view_host =
 245       static_cast<RenderViewHostImpl*>(
 246           embedder_web_contents->GetRenderViewHost());
 247   CHECK(embedder_render_view_host);
 248   RenderViewHostDelegateView* view =
 249       embedder_render_view_host->GetDelegate()->GetDelegateView();
 250   if (view) {
 251     RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
 252     view->StartDragging(drop_data, ops, image, image_offset, event_info);
 253   } else {
 254     embedder_web_contents->SystemDragEnded();
 255   }
 256 }
 257
 258 }  // namespace content