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