web_contents_view_guest.cc revision 116680a4aac90f2aa7413d9095a592090648e557 
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<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
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()->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
74ContextMenuParams WebContentsViewGuest::ConvertContextMenuParams(
75    const ContextMenuParams& params) const {
76#if defined(USE_AURA)
77  // Context menu uses ScreenPositionClient::ConvertPointToScreen() in aura
78  // to calculate popup position. Guest's native view
79  // (platform_view_->GetNativeView()) is part of the embedder's view hierarchy,
80  // but is placed at (0, 0) w.r.t. the embedder's position. Therefore, |offset|
81  // is added to |params|.
82  gfx::Rect embedder_bounds;
83  guest_->embedder_web_contents()->GetView()->GetContainerBounds(
84      &embedder_bounds);
85  gfx::Rect guest_bounds;
86  GetContainerBounds(&guest_bounds);
87
88  gfx::Vector2d offset = guest_bounds.origin() - embedder_bounds.origin();
89  ContextMenuParams params_in_embedder = params;
90  params_in_embedder.x += offset.x();
91  params_in_embedder.y += offset.y();
92  return params_in_embedder;
93#else
94  return params;
95#endif
96}
97
98void WebContentsViewGuest::GetContainerBounds(gfx::Rect* out) const {
99  // We need embedder container's bounds to calculate our bounds.
100  guest_->embedder_web_contents()->GetView()->GetContainerBounds(out);
101  gfx::Point guest_coordinates = guest_->GetScreenCoordinates(gfx::Point());
102  out->Offset(guest_coordinates.x(), guest_coordinates.y());
103  out->set_size(size_);
104}
105
106void WebContentsViewGuest::SizeContents(const gfx::Size& size) {
107  size_ = size;
108  RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
109  if (rwhv)
110    rwhv->SetSize(size);
111}
112
113void WebContentsViewGuest::SetInitialFocus() {
114  platform_view_->SetInitialFocus();
115}
116
117gfx::Rect WebContentsViewGuest::GetViewBounds() const {
118  return gfx::Rect(size_);
119}
120
121#if defined(OS_MACOSX)
122void WebContentsViewGuest::SetAllowOverlappingViews(bool overlapping) {
123  platform_view_->SetAllowOverlappingViews(overlapping);
124}
125
126bool WebContentsViewGuest::GetAllowOverlappingViews() const {
127  return platform_view_->GetAllowOverlappingViews();
128}
129
130void WebContentsViewGuest::SetAllowOtherViews(bool allow) {
131  platform_view_->SetAllowOtherViews(allow);
132}
133
134bool WebContentsViewGuest::GetAllowOtherViews() const {
135  return platform_view_->GetAllowOtherViews();
136}
137#endif
138
139void WebContentsViewGuest::CreateView(const gfx::Size& initial_size,
140                                      gfx::NativeView context) {
141  platform_view_->CreateView(initial_size, context);
142  size_ = initial_size;
143}
144
145RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForWidget(
146    RenderWidgetHost* render_widget_host) {
147  if (render_widget_host->GetView()) {
148    // During testing, the view will already be set up in most cases to the
149    // test view, so we don't want to clobber it with a real one. To verify that
150    // this actually is happening (and somebody isn't accidentally creating the
151    // view twice), we check for the RVH Factory, which will be set when we're
152    // making special ones (which go along with the special views).
153    DCHECK(RenderViewHostFactory::has_factory());
154    return static_cast<RenderWidgetHostViewBase*>(
155        render_widget_host->GetView());
156  }
157
158  RenderWidgetHostViewBase* platform_widget =
159      platform_view_->CreateViewForWidget(render_widget_host);
160
161  RenderWidgetHostViewBase* view = new RenderWidgetHostViewGuest(
162      render_widget_host,
163      guest_,
164      platform_widget);
165
166  return view;
167}
168
169RenderWidgetHostViewBase* WebContentsViewGuest::CreateViewForPopupWidget(
170    RenderWidgetHost* render_widget_host) {
171  return platform_view_->CreateViewForPopupWidget(render_widget_host);
172}
173
174void WebContentsViewGuest::SetPageTitle(const base::string16& title) {
175}
176
177void WebContentsViewGuest::RenderViewCreated(RenderViewHost* host) {
178  platform_view_->RenderViewCreated(host);
179}
180
181void WebContentsViewGuest::RenderViewSwappedIn(RenderViewHost* host) {
182  platform_view_->RenderViewSwappedIn(host);
183}
184
185void WebContentsViewGuest::SetOverscrollControllerEnabled(bool enabled) {
186  // This should never override the setting of the embedder view.
187}
188
189#if defined(OS_MACOSX)
190bool WebContentsViewGuest::IsEventTracking() const {
191  return false;
192}
193
194void WebContentsViewGuest::CloseTabAfterEventTracking() {
195}
196#endif
197
198WebContents* WebContentsViewGuest::web_contents() {
199  return web_contents_;
200}
201
202void WebContentsViewGuest::RestoreFocus() {
203  platform_view_->RestoreFocus();
204}
205
206void WebContentsViewGuest::Focus() {
207  platform_view_->Focus();
208}
209
210void WebContentsViewGuest::StoreFocus() {
211  platform_view_->StoreFocus();
212}
213
214DropData* WebContentsViewGuest::GetDropData() const {
215  NOTIMPLEMENTED();
216  return NULL;
217}
218
219void WebContentsViewGuest::UpdateDragCursor(WebDragOperation operation) {
220  RenderViewHostImpl* embedder_render_view_host =
221      static_cast<RenderViewHostImpl*>(
222          guest_->embedder_web_contents()->GetRenderViewHost());
223  CHECK(embedder_render_view_host);
224  RenderViewHostDelegateView* view =
225      embedder_render_view_host->GetDelegate()->GetDelegateView();
226  if (view)
227    view->UpdateDragCursor(operation);
228}
229
230void WebContentsViewGuest::GotFocus() {
231}
232
233void WebContentsViewGuest::TakeFocus(bool reverse) {
234}
235
236void WebContentsViewGuest::ShowContextMenu(RenderFrameHost* render_frame_host,
237                                           const ContextMenuParams& params) {
238  platform_view_delegate_view_->ShowContextMenu(
239      render_frame_host, ConvertContextMenuParams(params));
240}
241
242void WebContentsViewGuest::StartDragging(
243    const DropData& drop_data,
244    WebDragOperationsMask ops,
245    const gfx::ImageSkia& image,
246    const gfx::Vector2d& image_offset,
247    const DragEventSourceInfo& event_info) {
248  WebContentsImpl* embedder_web_contents = guest_->embedder_web_contents();
249  embedder_web_contents->GetBrowserPluginEmbedder()->StartDrag(guest_);
250  RenderViewHostImpl* embedder_render_view_host =
251      static_cast<RenderViewHostImpl*>(
252          embedder_web_contents->GetRenderViewHost());
253  CHECK(embedder_render_view_host);
254  RenderViewHostDelegateView* view =
255      embedder_render_view_host->GetDelegate()->GetDelegateView();
256  if (view) {
257    RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.StartDrag"));
258    view->StartDragging(drop_data, ops, image, image_offset, event_info);
259  } else {
260    embedder_web_contents->SystemDragEnded();
261  }
262}
263
264}  // namespace content
265