1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "user_resource_controller_host.h"
#include "type_conversion.h"
#include "web_contents_adapter.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_process_host_observer.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "ipc/ipc_channel_proxy.h"
#include "qtwebengine/userscript/userscript.mojom.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
namespace QtWebEngineCore {
class UserResourceControllerHost::WebContentsObserverHelper : public content::WebContentsObserver
{
public:
WebContentsObserverHelper(UserResourceControllerHost *, content::WebContents *);
// WebContentsObserver overrides:
void RenderFrameCreated(content::RenderFrameHost *renderFrameHost) override;
void RenderFrameHostChanged(content::RenderFrameHost *oldHost, content::RenderFrameHost *newHost) override;
void RenderFrameDeleted(content::RenderFrameHost *render_frame_host) override;
void WebContentsDestroyed() override;
private:
UserResourceControllerHost *m_controllerHost;
};
UserResourceControllerHost::WebContentsObserverHelper::WebContentsObserverHelper(UserResourceControllerHost *controller,
content::WebContents *contents)
: content::WebContentsObserver(contents)
, m_controllerHost(controller)
{
}
void UserResourceControllerHost::WebContentsObserverHelper::RenderFrameCreated(content::RenderFrameHost *renderFrameHost)
{
content::WebContents *contents = web_contents();
auto &remote = m_controllerHost->GetUserResourceControllerRenderFrame(renderFrameHost);
const QList<UserScript> scripts = m_controllerHost->m_perContentsScripts.value(contents);
for (const UserScript &script : scripts)
remote->AddScript(script.data());
}
void UserResourceControllerHost::WebContentsObserverHelper::RenderFrameHostChanged(content::RenderFrameHost *oldHost,
content::RenderFrameHost *newHost)
{
if (oldHost) {
auto &remote = m_controllerHost->GetUserResourceControllerRenderFrame(oldHost);
remote->ClearScripts();
}
}
void UserResourceControllerHost::WebContentsObserverHelper::RenderFrameDeleted(
content::RenderFrameHost *render_frame_host)
{
m_controllerHost->m_renderFrames.erase(render_frame_host);
}
void UserResourceControllerHost::WebContentsObserverHelper::WebContentsDestroyed()
{
m_controllerHost->webContentsDestroyed(web_contents());
delete this;
}
class UserResourceControllerHost::RenderProcessObserverHelper : public content::RenderProcessHostObserver
{
public:
RenderProcessObserverHelper(UserResourceControllerHost *);
void RenderProcessHostDestroyed(content::RenderProcessHost *) override;
private:
UserResourceControllerHost *m_controllerHost;
};
UserResourceControllerHost::RenderProcessObserverHelper::RenderProcessObserverHelper(UserResourceControllerHost *controller)
: m_controllerHost(controller)
{
}
void UserResourceControllerHost::RenderProcessObserverHelper::RenderProcessHostDestroyed(content::RenderProcessHost *renderer)
{
Q_ASSERT(m_controllerHost);
delete m_controllerHost->m_observedProcesses[renderer];
m_controllerHost->m_observedProcesses.remove(renderer);
}
void UserResourceControllerHost::addUserScript(const UserScript &script, WebContentsAdapter *adapter)
{
// Global scripts should be dispatched to all our render processes.
const bool isProfileWideScript = !adapter;
if (isProfileWideScript) {
if (!m_profileWideScripts.contains(script)) {
m_profileWideScripts.append(script);
for (auto controller : m_observedProcesses.values())
(*controller)->AddScript(script.data());
}
} else {
content::WebContents *contents = adapter->webContents();
ContentsScriptsMap::iterator it = m_perContentsScripts.find(contents);
if (it == m_perContentsScripts.end()) {
// We need to keep track of RenderView/RenderViewHost changes for a given contents
// in order to make sure the scripts stay in sync
new WebContentsObserverHelper(this, contents);
it = m_perContentsScripts.insert(contents, (QList<UserScript>() << script));
} else {
QList<UserScript> currentScripts = it.value();
if (!currentScripts.contains(script)) {
currentScripts.append(script);
m_perContentsScripts.insert(contents, currentScripts);
}
}
GetUserResourceControllerRenderFrame(contents->GetMainFrame())
->AddScript(script.data());
}
}
bool UserResourceControllerHost::removeUserScript(const UserScript &script, WebContentsAdapter *adapter)
{
const bool isProfileWideScript = !adapter;
if (isProfileWideScript) {
QList<UserScript>::iterator it = std::find(m_profileWideScripts.begin(), m_profileWideScripts.end(), script);
if (it == m_profileWideScripts.end())
return false;
for (auto controller : m_observedProcesses.values())
(*controller)->RemoveScript((*it).data());
m_profileWideScripts.erase(it);
} else {
content::WebContents *contents = adapter->webContents();
if (!m_perContentsScripts.contains(contents))
return false;
QList<UserScript> &list(m_perContentsScripts[contents]);
QList<UserScript>::iterator it = std::find(list.begin(), list.end(), script);
if (it == list.end())
return false;
GetUserResourceControllerRenderFrame(contents->GetMainFrame())
->RemoveScript((*it).data());
list.erase(it);
}
return true;
}
void UserResourceControllerHost::clearAllScripts(WebContentsAdapter *adapter)
{
const bool isProfileWideScript = !adapter;
if (isProfileWideScript) {
m_profileWideScripts.clear();
for (auto controller : m_observedProcesses.values())
(*controller)->ClearScripts();
} else {
content::WebContents *contents = adapter->webContents();
m_perContentsScripts.remove(contents);
mojo::AssociatedRemote<qtwebengine::mojom::UserResourceControllerRenderFrame>
userResourceController;
GetUserResourceControllerRenderFrame(contents->GetMainFrame())
->ClearScripts();
}
}
void UserResourceControllerHost::reserve(WebContentsAdapter *adapter, int count)
{
const bool isProfileWideScript = !adapter;
if (isProfileWideScript)
m_profileWideScripts.reserve(count);
else
m_perContentsScripts[adapter->webContents()].reserve(count);
}
void UserResourceControllerHost::renderProcessStartedWithHost(content::RenderProcessHost *renderer)
{
if (m_observedProcesses.keys().contains(renderer))
return;
if (m_renderProcessObserver.isNull())
m_renderProcessObserver.reset(new RenderProcessObserverHelper(this));
renderer->AddObserver(m_renderProcessObserver.data());
auto userResourceController = new UserResourceControllerRemote;
renderer->GetChannel()->GetRemoteAssociatedInterface(userResourceController);
m_observedProcesses.insert(renderer, userResourceController);
for (const UserScript &script : qAsConst(m_profileWideScripts)) {
(*userResourceController)->AddScript(script.data());
}
}
void UserResourceControllerHost::webContentsDestroyed(content::WebContents *contents)
{
m_perContentsScripts.remove(contents);
}
UserResourceControllerHost::UserResourceControllerHost()
{
}
UserResourceControllerHost::~UserResourceControllerHost()
{
for (content::RenderProcessHost *renderer : m_observedProcesses.keys()) {
renderer->RemoveObserver(m_renderProcessObserver.data());
delete m_observedProcesses[renderer];
}
}
const UserResourceControllerRenderFrameRemote &
UserResourceControllerHost::GetUserResourceControllerRenderFrame(content::RenderFrameHost *rfh)
{
auto it = m_renderFrames.find(rfh);
if (it == m_renderFrames.end()) {
UserResourceControllerRenderFrameRemote remote;
rfh->GetRemoteAssociatedInterfaces()->GetInterface(remote.BindNewEndpointAndPassReceiver());
it = m_renderFrames.insert(std::make_pair(rfh, std::move(remote))).first;
} else if (it->second.is_bound() && !it->second.is_connected()) {
it->second.reset();
rfh->GetRemoteAssociatedInterfaces()->GetInterface(&it->second);
}
return it->second;
}
} // namespace
|
