web_contents_view_guest.cc revision c5cede9ae108bb15f6b7a8aea21c7e1fefa2834c 
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
29using blink::WebDragOperation;
30using blink::WebDragOperationsMask;
31
32namespace content {
33
34WebContentsViewGuest::WebContentsViewGuest(
35    WebContentsImpl* web_contents,
36    BrowserPluginGuest* guest,
37    scoped_ptr<WebContentsViewPort> 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
45WebContentsViewGuest::~WebContentsViewGuest() {
46}
47
48gfx::NativeView WebContentsViewGuest::GetNativeView() const {
49  return platform_view_->GetNativeView();
50}
51
52gfx::NativeView WebContentsViewGuest::GetContentNativeView() const {
53  RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
54  if (!rwhv)
55    return NULL;
56  return rwhv->GetNativeView();
57}
58
59gfx::NativeWindow WebContentsViewGuest::GetTopLevelNativeWindow() const {
60  return guest_->embedder_web_contents()->GetView()->GetTopLevelNativeWindow();
61}
62
63void 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
74void WebContentsViewGuest::GetContainerBounds(gfx::Rect* out) const {
75  // We need embedder container's bounds to calculate our bounds.
76  guest_->embedder_web_contents()->GetView()->GetContainerBounds(out);
77  gfx::Point guest_coordinates = guest_->GetScreenCoordinates(gfx::Point());
78  out->Offset(guest_coordinates.x(), guest_coordinates.y());
79  out->set_size(size_);
80}
81
82void WebContentsViewGuest::SizeContents(const gfx::Size& size) {
83  size_ = size;
84  RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
85  if (rwhv)
86    rwhv->SetSize(size);
87}
88
89void WebContentsViewGuest::SetInitialFocus() {
90  platform_view_->SetInitialFocus();
91}
92
93gfx::Rect WebContentsViewGuest::GetViewBounds() const {
94  return gfx::Rect(size_);
95}
96
97#if defined(OS_MACOSX)
98void WebContentsViewGuest::SetAllowOverlappingViews(bool overlapping) {
99  platform_view_->SetAllowOverlappingViews(overlapping);
100}
101
102bool WebContentsViewGuest::GetAllowOverlappingViews() const {
103  return platform_view_->GetAllowOverlappingViews();
104}
105
106void WebContentsViewGuest::SetOverlayView(
107    WebContentsView* overlay, const gfx::Point& offset) {
108  platform_view_->SetOverlayView(overlay, offset);
109}
110
111void WebContentsViewGuest::RemoveOverlayView() {
112  platform_view_->RemoveOverlayView();
113}
114#endif
115
116void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
117                                      gfx::NativeView context) {
118  platform_view_->CreateView(initial_size, context);
119  size_ = initial_size;
120}
121
122RenderWidgetHostView* WebContentsViewGuest::CreateViewForWidget(
123    RenderWidgetHost* render_widget_host) {
124  if (render_widget_host->GetView()) {
125    // During testing, the view will already be set up in most cases to the
126    // test view, so we don't want to clobber it with a real one. To verify that
127    // this actually is happening (and somebody isn't accidentally creating the
128    // view twice), we check for the RVH Factory, which will be set when we're
129    // making special ones (which go along with the special views).
130    DCHECK(RenderViewHostFactory::has_factory());
131    return render_widget_host->GetView();
132  }
133
134  RenderWidgetHostView* platform_widget = NULL;
135  platform_widget = platform_view_->CreateViewForWidget(render_widget_host);
136
137  RenderWidgetHostView* view = new RenderWidgetHostViewGuest(
138      render_widget_host,
139      guest_,
140      platform_widget);
141
142  return view;
143}
144
145RenderWidgetHostView* WebContentsViewGuest::CreateViewForPopupWidget(
146    RenderWidgetHost* render_widget_host) {
147  return RenderWidgetHostViewPort::CreateViewForWidget(render_widget_host);
148}
149
150void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
151}
152
153void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
154  platform_view_->RenderViewCreated(host);
155}
156
157void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
158  platform_view_->RenderViewSwappedIn(host);
159}
160
161void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
162  // This should never override the setting of the embedder view.
163}
164
165#if defined(OS_MACOSX)
166bool WebContentsViewGuest::IsEventTracking() const {
167  return false;
168}
169
170void WebContentsViewGuest::CloseTabAfterEventTracking() {
171}
172#endif
173
174WebContents* WebContentsViewGuest::web_contents() {
175  return web_contents_;
176}
177
178void WebContentsViewGuest::RestoreFocus() {
179  platform_view_->RestoreFocus();
180}
181
182void WebContentsViewGuest::OnTabCrashed(base::TerminationStatus status,
183                                        int error_code) {
184}
185
186void WebContentsViewGuest::Focus() {
187  platform_view_->Focus();
188}
189
190void WebContentsViewGuest::StoreFocus() {
191  platform_view_->StoreFocus();
192}
193
194DropData* WebContentsViewGuest::GetDropData() const {
195  NOTIMPLEMENTED();
196  return NULL;
197}
198
199void WebContentsViewGuest::UpdateDragCursor(WebDragOperation operation) {
200  RenderViewHostImpl* embedder_render_view_host =
201      static_cast<RenderViewHostImpl*>(
202          guest_->embedder_web_contents()->GetRenderViewHost());
203  CHECK(embedder_render_view_host);
204  RenderViewHostDelegateView* view =
205      embedder_render_view_host->GetDelegate()->GetDelegateView();
206  if (view)
207    view->UpdateDragCursor(operation);
208}
209
210void WebContentsViewGuest::GotFocus() {
211}
212
213void WebContentsViewGuest::TakeFocus(bool reverse) {
214}
215
216void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
217                                           const ContextMenuParams& params) {
218#if defined(USE_AURA)
219  // Context menu uses ScreenPositionClient::ConvertPointToScreen() in aura
220  // to calculate popup position. Guest's native view
221  // (platform_view_->GetNativeView()) is part of the embedder's view hierarchy,
222  // but is placed at (0, 0) w.r.t. the embedder's position. Therefore, |offset|
223  // is added to |params|.
224  gfx::Rect embedder_bounds;
225  guest_->embedder_web_contents()->GetView()->GetContainerBounds(
226      &embedder_bounds);
227  gfx::Rect guest_bounds;
228  GetContainerBounds(&guest_bounds);
229
230  gfx::Vector2d offset = guest_bounds.origin() - embedder_bounds.origin();
231  ContextMenuParams params_in_embedder = params;
232  params_in_embedder.x += offset.x();
233  params_in_embedder.y += offset.y();
234  platform_view_delegate_view_->ShowContextMenu(
235      render_frame_host, params_in_embedder);
236#else
237  platform_view_delegate_view_->ShowContextMenu(render_frame_host, params);
238#endif  // defined(USE_AURA)
239}
240
241void WebContentsViewGuest::StartDragging(
242    const DropData& drop_data,
243    WebDragOperationsMask ops,
244    const gfx::ImageSkia& image,
245    const gfx::Vector2d& image_offset,
246    const DragEventSourceInfo& event_info) {
247  WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
248  embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
249  RenderViewHostImpl* embedder_render_view_host =
250      static_cast<RenderViewHostImpl*>(
251          embedder_web_contents->GetRenderViewHost());
252  CHECK(embedder_render_view_host);
253  RenderViewHostDelegateView* view =
254      embedder_render_view_host->GetDelegate()->GetDelegateView();
255  if (view) {
256    RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
257    view->StartDragging(drop_data, ops, image, image_offset, event_info);
258  } else {
259    embedder_web_contents->SystemDragEnded();
260  }
261}
262
263}  // namespace content
264