web_contents_view_guest.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
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) || defined(OS_WIN)
65  // In aura and windows, 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#if defined(USE_AURA)
71  // This can be win aura or chromeos.
72  parent_view->GetNativeView()->AddChild(platform_view_->GetNativeView());
73#elif defined(OS_WIN)
74  SetParent(platform_view_->GetNativeView(), parent_view->GetNativeView());
75#endif
76#endif  // defined(USE_AURA) || defined(OS_WIN)
77}
78
79void WebContentsViewGuest::GetContainerBounds(gfx::Rect* out) const {
80  // We need embedder container's bounds to calculate our bounds.
81  guest_->embedder_web_contents()->GetView()->GetContainerBounds(out);
82  gfx::Point guest_coordinates = guest_->GetScreenCoordinates(gfx::Point());
83  out->Offset(guest_coordinates.x(), guest_coordinates.y());
84  out->set_size(size_);
85}
86
87void WebContentsViewGuest::SizeContents(const gfx::Size& size) {
88  size_ = size;
89  RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
90  if (rwhv)
91    rwhv->SetSize(size);
92}
93
94void WebContentsViewGuest::SetInitialFocus() {
95  platform_view_->SetInitialFocus();
96}
97
98gfx::Rect WebContentsViewGuest::GetViewBounds() const {
99  return gfx::Rect(size_);
100}
101
102#if defined(OS_MACOSX)
103void WebContentsViewGuest::SetAllowOverlappingViews(bool overlapping) {
104  platform_view_->SetAllowOverlappingViews(overlapping);
105}
106
107bool WebContentsViewGuest::GetAllowOverlappingViews() const {
108  return platform_view_->GetAllowOverlappingViews();
109}
110
111void WebContentsViewGuest::SetOverlayView(
112    WebContentsView* overlay, const gfx::Point& offset) {
113  platform_view_->SetOverlayView(overlay, offset);
114}
115
116void WebContentsViewGuest::RemoveOverlayView() {
117  platform_view_->RemoveOverlayView();
118}
119#endif
120
121void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
122                                      gfx::NativeView context) {
123  platform_view_->CreateView(initial_size, context);
124  size_ = initial_size;
125}
126
127RenderWidgetHostView* WebContentsViewGuest::CreateViewForWidget(
128    RenderWidgetHost* render_widget_host) {
129  if (render_widget_host->GetView()) {
130    // During testing, the view will already be set up in most cases to the
131    // test view, so we don't want to clobber it with a real one. To verify that
132    // this actually is happening (and somebody isn't accidentally creating the
133    // view twice), we check for the RVH Factory, which will be set when we're
134    // making special ones (which go along with the special views).
135    DCHECK(RenderViewHostFactory::has_factory());
136    return render_widget_host->GetView();
137  }
138
139  RenderWidgetHostView* platform_widget = NULL;
140  platform_widget = platform_view_->CreateViewForWidget(render_widget_host);
141
142  RenderWidgetHostView* view = new RenderWidgetHostViewGuest(
143      render_widget_host,
144      guest_,
145      platform_widget);
146
147  return view;
148}
149
150RenderWidgetHostView* WebContentsViewGuest::CreateViewForPopupWidget(
151    RenderWidgetHost* render_widget_host) {
152  return RenderWidgetHostViewPort::CreateViewForWidget(render_widget_host);
153}
154
155void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
156}
157
158void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
159  platform_view_->RenderViewCreated(host);
160}
161
162void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
163  platform_view_->RenderViewSwappedIn(host);
164}
165
166void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
167  // This should never override the setting of the embedder view.
168}
169
170#if defined(OS_MACOSX)
171bool WebContentsViewGuest::IsEventTracking() const {
172  return false;
173}
174
175void WebContentsViewGuest::CloseTabAfterEventTracking() {
176}
177#endif
178
179WebContents* WebContentsViewGuest::web_contents() {
180  return web_contents_;
181}
182
183void WebContentsViewGuest::RestoreFocus() {
184  platform_view_->RestoreFocus();
185}
186
187void WebContentsViewGuest::OnTabCrashed(base::TerminationStatus status,
188                                        int error_code) {
189}
190
191void WebContentsViewGuest::Focus() {
192  platform_view_->Focus();
193}
194
195void WebContentsViewGuest::StoreFocus() {
196  platform_view_->StoreFocus();
197}
198
199DropData* WebContentsViewGuest::GetDropData() const {
200  NOTIMPLEMENTED();
201  return NULL;
202}
203
204void 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
215void WebContentsViewGuest::GotFocus() {
216}
217
218void WebContentsViewGuest::TakeFocus(bool reverse) {
219}
220
221void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
222                                           const ContextMenuParams& params) {
223#if defined(USE_AURA) || defined(OS_WIN)
224  // Context menu uses ScreenPositionClient::ConvertPointToScreen() in aura and
225  // windows to calculate popup position. Guest's native view
226  // (platform_view_->GetNativeView()) is part of the embedder's view hierarchy,
227  // but is placed at (0, 0) w.r.t. the embedder's position. Therefore, |offset|
228  // is added to |params|.
229  gfx::Rect embedder_bounds;
230  guest_->embedder_web_contents()->GetView()->GetContainerBounds(
231      &embedder_bounds);
232  gfx::Rect guest_bounds;
233  GetContainerBounds(&guest_bounds);
234
235  gfx::Vector2d offset = guest_bounds.origin() - embedder_bounds.origin();
236  ContextMenuParams params_in_embedder = params;
237  params_in_embedder.x += offset.x();
238  params_in_embedder.y += offset.y();
239  platform_view_delegate_view_->ShowContextMenu(
240      render_frame_host, params_in_embedder);
241#else
242  platform_view_delegate_view_->ShowContextMenu(render_frame_host, params);
243#endif  // defined(USE_AURA) || defined(OS_WIN)
244}
245
246void WebContentsViewGuest::ShowPopupMenu(const gfx::Rect& bounds,
247                                         int item_height,
248                                         double item_font_size,
249                                         int selected_item,
250                                         const std::vector<MenuItem>& items,
251                                         bool right_aligned,
252                                         bool allow_multiple_selection) {
253  // External popup menus are only used on Mac and Android.
254  NOTIMPLEMENTED();
255}
256
257void WebContentsViewGuest::StartDragging(
258    const DropData& drop_data,
259    WebDragOperationsMask ops,
260    const gfx::ImageSkia& image,
261    const gfx::Vector2d& image_offset,
262    const DragEventSourceInfo& event_info) {
263  WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
264  embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
265  RenderViewHostImpl* embedder_render_view_host =
266      static_cast<RenderViewHostImpl*>(
267          embedder_web_contents->GetRenderViewHost());
268  CHECK(embedder_render_view_host);
269  RenderViewHostDelegateView* view =
270      embedder_render_view_host->GetDelegate()->GetDelegateView();
271  if (view) {
272    RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
273    view->StartDragging(drop_data, ops, image, image_offset, event_info);
274  } else {
275    embedder_web_contents->SystemDragEnded();
276  }
277}
278
279}  // namespace content
280