root/content/browser/web_contents/web_contents_view_guest.cc

DEFINITIONS

1. platform_view_delegate_view_
2. GetNativeView
3. GetContentNativeView
4. GetTopLevelNativeWindow
5. OnGuestInitialized
6. GetContainerBounds
7. SizeContents
8. SetInitialFocus
9. GetViewBounds
10. SetAllowOverlappingViews
11. GetAllowOverlappingViews
12. SetOverlayView
13. RemoveOverlayView
14. CreateView
15. CreateViewForWidget
16. CreateViewForPopupWidget
17. SetPageTitle
18. RenderViewCreated
19. RenderViewSwappedIn
20. SetOverscrollControllerEnabled
21. IsEventTracking
22. CloseTabAfterEventTracking
23. web_contents
24. RestoreFocus
25. OnTabCrashed
26. Focus
27. StoreFocus
28. GetDropData
29. UpdateDragCursor
30. GotFocus
31. TakeFocus
32. ShowContextMenu
33. StartDragging

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/web_contents/web_contents_view_guest.h"

#include "build/build_config.h"
#include "content/browser/browser_plugin/browser_plugin_embedder.h"
#include "content/browser/browser_plugin/browser_plugin_guest.h"
#include "content/browser/frame_host/interstitial_page_impl.h"
#include "content/browser/frame_host/render_widget_host_view_guest.h"
#include "content/browser/renderer_host/render_view_host_factory.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/drag_messages.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/common/context_menu_params.h"
#include "content/public/common/drop_data.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"

#if defined(USE_AURA)
#include "ui/aura/window.h"
#endif

using blink::WebDragOperation;
using blink::WebDragOperationsMask;

namespace content {

WebContentsViewGuest::WebContentsViewGuest(
    WebContentsImpl* web_contents,
    BrowserPluginGuest* guest,
    scoped_ptr<WebContentsViewPort> platform_view,
    RenderViewHostDelegateView* platform_view_delegate_view)
    : web_contents_(web_contents),
      guest_(guest),
      platform_view_(platform_view.Pass()),
      platform_view_delegate_view_(platform_view_delegate_view) {
}

WebContentsViewGuest::~WebContentsViewGuest() {
}

gfx::NativeView WebContentsViewGuest::GetNativeView() const {
  return platform_view_->GetNativeView();
}

gfx::NativeView WebContentsViewGuest::GetContentNativeView() const {
  RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
  if (!rwhv)
    return NULL;
  return rwhv->GetNativeView();
}

gfx::NativeWindow WebContentsViewGuest::GetTopLevelNativeWindow() const {
  return guest_->embedder_web_contents()->GetView()->GetTopLevelNativeWindow();
}

void WebContentsViewGuest::OnGuestInitialized(WebContentsView* parent_view) {
#if defined(USE_AURA)
  // In aura, ScreenPositionClient doesn't work properly if we do
  // not have the native view associated with this WebContentsViewGuest in the
  // view hierarchy. We add this view as embedder's child here.
  // This would go in WebContentsViewGuest::CreateView, but that is too early to
  // access embedder_web_contents(). Therefore, we do it here.
  parent_view->GetNativeView()->AddChild(platform_view_->GetNativeView());
#endif  // defined(USE_AURA)
}

void WebContentsViewGuest::GetContainerBounds(gfx::Rect* out) const {
  // We need embedder container's bounds to calculate our bounds.
  guest_->embedder_web_contents()->GetView()->GetContainerBounds(out);
  gfx::Point guest_coordinates = guest_->GetScreenCoordinates(gfx::Point());
  out->Offset(guest_coordinates.x(), guest_coordinates.y());
  out->set_size(size_);
}

void WebContentsViewGuest::SizeContents(const gfx::Size& size) {
  size_ = size;
  RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
  if (rwhv)
    rwhv->SetSize(size);
}

void WebContentsViewGuest::SetInitialFocus() {
  platform_view_->SetInitialFocus();
}

gfx::Rect WebContentsViewGuest::GetViewBounds() const {
  return gfx::Rect(size_);
}

#if defined(OS_MACOSX)
void WebContentsViewGuest::SetAllowOverlappingViews(bool overlapping) {
  platform_view_->SetAllowOverlappingViews(overlapping);
}

bool WebContentsViewGuest::GetAllowOverlappingViews() const {
  return platform_view_->GetAllowOverlappingViews();
}

void WebContentsViewGuest::SetOverlayView(
    WebContentsView* overlay, const gfx::Point& offset) {
  platform_view_->SetOverlayView(overlay, offset);
}

void WebContentsViewGuest::RemoveOverlayView() {
  platform_view_->RemoveOverlayView();
}
#endif

void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
                                      gfx::NativeView context) {
  platform_view_->CreateView(initial_size, context);
  size_ = initial_size;
}

RenderWidgetHostView* WebContentsViewGuest::CreateViewForWidget(
    RenderWidgetHost* render_widget_host) {
  if (render_widget_host->GetView()) {
    // During testing, the view will already be set up in most cases to the
    // test view, so we don't want to clobber it with a real one. To verify that
    // this actually is happening (and somebody isn't accidentally creating the
    // view twice), we check for the RVH Factory, which will be set when we're
    // making special ones (which go along with the special views).
    DCHECK(RenderViewHostFactory::has_factory());
    return render_widget_host->GetView();
  }

  RenderWidgetHostView* platform_widget = NULL;
  platform_widget = platform_view_->CreateViewForWidget(render_widget_host);

  RenderWidgetHostView* view = new RenderWidgetHostViewGuest(
      render_widget_host,
      guest_,
      platform_widget);

  return view;
}

RenderWidgetHostView* WebContentsViewGuest::CreateViewForPopupWidget(
    RenderWidgetHost* render_widget_host) {
  return RenderWidgetHostViewPort::CreateViewForWidget(render_widget_host);
}

void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
}

void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
  platform_view_->RenderViewCreated(host);
}

void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
  platform_view_->RenderViewSwappedIn(host);
}

void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
  // This should never override the setting of the embedder view.
}

#if defined(OS_MACOSX)
bool WebContentsViewGuest::IsEventTracking() const {
  return false;
}

void WebContentsViewGuest::CloseTabAfterEventTracking() {
}
#endif

WebContents* WebContentsViewGuest::web_contents() {
  return web_contents_;
}

void WebContentsViewGuest::RestoreFocus() {
  platform_view_->RestoreFocus();
}

void WebContentsViewGuest::OnTabCrashed(base::TerminationStatus status,
                                        int error_code) {
}

void WebContentsViewGuest::Focus() {
  platform_view_->Focus();
}

void WebContentsViewGuest::StoreFocus() {
  platform_view_->StoreFocus();
}

DropData* WebContentsViewGuest::GetDropData() const {
  NOTIMPLEMENTED();
  return NULL;
}

void WebContentsViewGuest::UpdateDragCursor(WebDragOperation operation) {
  RenderViewHostImpl* embedder_render_view_host =
      static_cast<RenderViewHostImpl*>(
          guest_->embedder_web_contents()->GetRenderViewHost());
  CHECK(embedder_render_view_host);
  RenderViewHostDelegateView* view =
      embedder_render_view_host->GetDelegate()->GetDelegateView();
  if (view)
    view->UpdateDragCursor(operation);
}

void WebContentsViewGuest::GotFocus() {
}

void WebContentsViewGuest::TakeFocus(bool reverse) {
}

void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
                                           const ContextMenuParams& params) {
#if defined(USE_AURA)
  // Context menu uses ScreenPositionClient::ConvertPointToScreen() in aura
  // to calculate popup position. Guest's native view
  // (platform_view_->GetNativeView()) is part of the embedder's view hierarchy,
  // but is placed at (0, 0) w.r.t. the embedder's position. Therefore, |offset|
  // is added to |params|.
  gfx::Rect embedder_bounds;
  guest_->embedder_web_contents()->GetView()->GetContainerBounds(
      &embedder_bounds);
  gfx::Rect guest_bounds;
  GetContainerBounds(&guest_bounds);

  gfx::Vector2d offset = guest_bounds.origin() - embedder_bounds.origin();
  ContextMenuParams params_in_embedder = params;
  params_in_embedder.x += offset.x();
  params_in_embedder.y += offset.y();
  platform_view_delegate_view_->ShowContextMenu(
      render_frame_host, params_in_embedder);
#else
  platform_view_delegate_view_->ShowContextMenu(render_frame_host, params);
#endif  // defined(USE_AURA)
}

void WebContentsViewGuest::StartDragging(
    const DropData& drop_data,
    WebDragOperationsMask ops,
    const gfx::ImageSkia& image,
    const gfx::Vector2d& image_offset,
    const DragEventSourceInfo& event_info) {
  WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
  embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
  RenderViewHostImpl* embedder_render_view_host =
      static_cast<RenderViewHostImpl*>(
          embedder_web_contents->GetRenderViewHost());
  CHECK(embedder_render_view_host);
  RenderViewHostDelegateView* view =
      embedder_render_view_host->GetDelegate()->GetDelegateView();
  if (view) {
    RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
    view->StartDragging(drop_data, ops, image, image_offset, event_info);
  } else {
    embedder_web_contents->SystemDragEnded();
  }
}

}  // namespace content