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