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Side by Side Diff: components/web_view/web_view_impl.cc

Issue 1677293002: Bye bye Mandoline (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: moar Created 4 years, 10 months ago
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1 // Copyright 2015 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 "components/web_view/web_view_impl.h"
6
7 #include <queue>
8 #include <utility>
9
10 #include "base/bind.h"
11 #include "base/command_line.h"
12 #include "components/mus/public/cpp/scoped_window_ptr.h"
13 #include "components/mus/public/cpp/window.h"
14 #include "components/mus/public/cpp/window_tree_connection.h"
15 #include "components/web_view/client_initiated_frame_connection.h"
16 #include "components/web_view/frame.h"
17 #include "components/web_view/frame_connection.h"
18 #include "components/web_view/frame_devtools_agent.h"
19 #include "components/web_view/frame_tree.h"
20 #include "components/web_view/navigation_entry.h"
21 #include "components/web_view/pending_web_view_load.h"
22 #include "components/web_view/url_request_cloneable.h"
23 #include "mojo/converters/geometry/geometry_type_converters.h"
24 #include "mojo/shell/public/cpp/shell.h"
25 #include "url/gurl.h"
26
27 namespace web_view {
28
29 using web_view::mojom::ButtonState;
30
31 ////////////////////////////////////////////////////////////////////////////////
32 // WebViewImpl, public:
33
34 WebViewImpl::WebViewImpl(mojo::Shell* shell,
35 mojom::WebViewClientPtr client,
36 mojo::InterfaceRequest<mojom::WebView> request)
37 : shell_(shell),
38 client_(std::move(client)),
39 binding_(this, std::move(request)),
40 root_(nullptr),
41 content_(nullptr),
42 find_controller_(this),
43 navigation_controller_(this) {
44 devtools_agent_.reset(new FrameDevToolsAgent(shell_, this));
45 OnDidNavigate();
46 }
47
48 WebViewImpl::~WebViewImpl() {
49 if (content_)
50 content_->RemoveObserver(this);
51 if (root_) {
52 root_->RemoveObserver(this);
53 mus::ScopedWindowPtr::DeleteWindowOrWindowManager(root_);
54 }
55 }
56
57 void WebViewImpl::OnLoad(const GURL& pending_url) {
58 // Frames are uniqued based on the id of the associated Window. By creating a
59 // new Window each time through we ensure the renderers get a clean id, rather
60 // than one they may know about and try to incorrectly use.
61 if (content_) {
62 content_->Destroy();
63 DCHECK(!content_);
64 }
65
66 client_->TopLevelNavigationStarted(pending_url.spec());
67
68 content_ = root_->connection()->NewWindow();
69 content_->SetBounds(gfx::Rect(root_->bounds().size()));
70 root_->AddChild(content_);
71 content_->SetVisible(true);
72 content_->AddObserver(this);
73
74 scoped_ptr<PendingWebViewLoad> pending_load(std::move(pending_load_));
75 scoped_ptr<FrameConnection> frame_connection(
76 pending_load->frame_connection());
77 mus::mojom::WindowTreeClientPtr window_tree_client =
78 frame_connection->GetWindowTreeClient();
79
80 Frame::ClientPropertyMap client_properties;
81 if (devtools_agent_) {
82 devtools_service::DevToolsAgentPtr forward_agent;
83 frame_connection->connection()->ConnectToService(&forward_agent);
84 devtools_agent_->AttachFrame(std::move(forward_agent), &client_properties);
85 }
86
87 mojom::FrameClient* frame_client = frame_connection->frame_client();
88 const uint32_t content_handler_id = frame_connection->GetContentHandlerID();
89 frame_tree_.reset(
90 new FrameTree(content_handler_id, content_, std::move(window_tree_client),
91 this, frame_client, std::move(frame_connection),
92 client_properties, pending_load->navigation_start_time()));
93 }
94
95 void WebViewImpl::PreOrderDepthFirstTraverseTree(Frame* node,
96 std::vector<Frame*>* output) {
97 output->push_back(node);
98 for (Frame* child : node->children())
99 PreOrderDepthFirstTraverseTree(child, output);
100 }
101
102 ////////////////////////////////////////////////////////////////////////////////
103 // WebViewImpl, WebView implementation:
104
105 void WebViewImpl::LoadRequest(mojo::URLRequestPtr request) {
106 navigation_controller_.LoadURL(std::move(request));
107 }
108
109 void WebViewImpl::GetWindowTreeClient(
110 mojo::InterfaceRequest<mus::mojom::WindowTreeClient> window_tree_client) {
111 mus::WindowTreeConnection::Create(
112 this, std::move(window_tree_client),
113 mus::WindowTreeConnection::CreateType::DONT_WAIT_FOR_EMBED);
114 }
115
116 void WebViewImpl::Find(const mojo::String& search_text,
117 bool forward_direction) {
118 find_controller_.Find(search_text.To<std::string>(), forward_direction);
119 }
120
121 void WebViewImpl::StopFinding() {
122 find_controller_.StopFinding();
123 }
124
125 void WebViewImpl::GoBack() {
126 if (!navigation_controller_.CanGoBack())
127 return;
128 navigation_controller_.GoBack();
129 }
130
131 void WebViewImpl::GoForward() {
132 if (!navigation_controller_.CanGoForward())
133 return;
134 navigation_controller_.GoForward();
135 }
136
137 ////////////////////////////////////////////////////////////////////////////////
138 // WebViewImpl, mus::WindowTreeDelegate implementation:
139
140 void WebViewImpl::OnEmbed(mus::Window* root) {
141 // We must have been granted embed root priviledges, otherwise we can't
142 // Embed() in any descendants.
143 DCHECK(root->connection()->IsEmbedRoot());
144 root->AddObserver(this);
145 root_ = root;
146
147 if (pending_load_ && pending_load_->is_content_handler_id_valid())
148 OnLoad(pending_load_->pending_url());
149 }
150
151 void WebViewImpl::OnConnectionLost(mus::WindowTreeConnection* connection) {
152 root_ = nullptr;
153 }
154
155 ////////////////////////////////////////////////////////////////////////////////
156 // WebViewImpl, mus::WindowObserver implementation:
157
158 void WebViewImpl::OnWindowBoundsChanged(mus::Window* window,
159 const gfx::Rect& old_bounds,
160 const gfx::Rect& new_bounds) {
161 if (window != content_ && content_)
162 content_->SetBounds(gfx::Rect(new_bounds.size()));
163 }
164
165 void WebViewImpl::OnWindowDestroyed(mus::Window* window) {
166 // |FrameTree| cannot outlive the content window.
167 if (window == content_) {
168 frame_tree_.reset();
169 content_ = nullptr;
170 }
171 }
172
173 ////////////////////////////////////////////////////////////////////////////////
174 // WebViewImpl, FrameTreeDelegate implementation:
175
176 scoped_ptr<FrameUserData> WebViewImpl::CreateUserDataForNewFrame(
177 mojom::FrameClientPtr frame_client) {
178 return make_scoped_ptr(
179 new ClientInitiatedFrameConnection(std::move(frame_client)));
180 }
181
182 bool WebViewImpl::CanPostMessageEventToFrame(const Frame* source,
183 const Frame* target,
184 mojom::HTMLMessageEvent* event) {
185 return true;
186 }
187
188 void WebViewImpl::LoadingStateChanged(bool loading, double progress) {
189 client_->LoadingStateChanged(loading, progress);
190 }
191
192 void WebViewImpl::TitleChanged(const mojo::String& title) {
193 client_->TitleChanged(title);
194 }
195
196 void WebViewImpl::NavigateTopLevel(Frame* source, mojo::URLRequestPtr request) {
197 client_->TopLevelNavigateRequest(std::move(request));
198 }
199
200 void WebViewImpl::CanNavigateFrame(Frame* target,
201 mojo::URLRequestPtr request,
202 const CanNavigateFrameCallback& callback) {
203 FrameConnection::CreateConnectionForCanNavigateFrame(
204 shell_, target, std::move(request), callback);
205 }
206
207 void WebViewImpl::DidStartNavigation(Frame* frame) {}
208
209 void WebViewImpl::DidCommitProvisionalLoad(Frame* frame) {
210 navigation_controller_.FrameDidCommitProvisionalLoad(frame);
211 }
212
213 void WebViewImpl::DidNavigateLocally(Frame* source,
214 const GURL& url) {
215 navigation_controller_.FrameDidNavigateLocally(source, url);
216 if (source == frame_tree_->root())
217 client_->TopLevelNavigationStarted(url.spec());
218 }
219
220 void WebViewImpl::DidDestroyFrame(Frame* frame) {
221 find_controller_.DidDestroyFrame(frame);
222 }
223
224 void WebViewImpl::OnFindInFrameCountUpdated(int32_t request_id,
225 Frame* frame,
226 int32_t count,
227 bool final_update) {
228 find_controller_.OnFindInFrameCountUpdated(request_id, frame, count,
229 final_update);
230 }
231
232 void WebViewImpl::OnFindInPageSelectionUpdated(int32_t request_id,
233 Frame* frame,
234 int32_t active_match_ordinal) {
235 find_controller_.OnFindInPageSelectionUpdated(request_id, frame,
236 active_match_ordinal);
237 }
238
239 ////////////////////////////////////////////////////////////////////////////////
240 // WebViewImpl, FrameDevToolsAgentDelegate implementation:
241
242 void WebViewImpl::HandlePageNavigateRequest(const GURL& url) {
243 mojo::URLRequestPtr request(mojo::URLRequest::New());
244 request->url = url.spec();
245 client_->TopLevelNavigateRequest(std::move(request));
246 }
247
248 ////////////////////////////////////////////////////////////////////////////////
249 // WebViewImpl, NavigationControllerDelegate implementation:
250
251 void WebViewImpl::OnNavigate(mojo::URLRequestPtr request) {
252 pending_load_.reset(new PendingWebViewLoad(this));
253 pending_load_->Init(std::move(request));
254 }
255
256 void WebViewImpl::OnDidNavigate() {
257 client_->BackForwardChanged(
258 navigation_controller_.CanGoBack() ? ButtonState::ENABLED
259 : ButtonState::DISABLED,
260 navigation_controller_.CanGoForward() ? ButtonState::ENABLED
261 : ButtonState::DISABLED);
262 }
263
264 ////////////////////////////////////////////////////////////////////////////////
265 // WebViewImpl, FindControllerDelegate implementation:
266
267 std::vector<Frame*> WebViewImpl::GetAllFrames() {
268 std::vector<Frame*> all_frames;
269 PreOrderDepthFirstTraverseTree(frame_tree_->root(), &all_frames);
270 return all_frames;
271 }
272
273 mojom::WebViewClient* WebViewImpl::GetWebViewClient() {
274 return client_.get();
275 }
276
277 } // namespace web_view
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