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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
/*
* Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebProcessProxy_h
#define WebProcessProxy_h
#include "APISession.h"
#include "ChildProcessProxy.h"
#include "CustomProtocolManagerProxy.h"
#include "MessageReceiverMap.h"
#include "PlatformProcessIdentifier.h"
#include "PluginInfoStore.h"
#include "ProcessLauncher.h"
#include "ProcessThrottlerClient.h"
#include "ResponsivenessTimer.h"
#include "WebConnectionToWebProcess.h"
#include "WebPageProxy.h"
#include "WebProcessProxyMessages.h"
#include "WebsiteDataTypes.h"
#include <WebCore/LinkHash.h>
#include <memory>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#if PLATFORM(IOS)
#include "ProcessThrottler.h"
#endif
namespace WebCore {
class ResourceRequest;
class URL;
struct PluginInfo;
};
namespace WebKit {
class NetworkProcessProxy;
class WebBackForwardListItem;
class WebPageGroup;
class WebProcessPool;
struct WebNavigationDataStore;
class WebProcessProxy : public ChildProcessProxy, ResponsivenessTimer::Client, private ProcessThrottlerClient {
public:
typedef HashMap<uint64_t, RefPtr<WebBackForwardListItem>> WebBackForwardListItemMap;
typedef HashMap<uint64_t, RefPtr<WebFrameProxy>> WebFrameProxyMap;
typedef HashMap<uint64_t, WebPageProxy*> WebPageProxyMap;
static Ref<WebProcessProxy> create(WebProcessPool&);
~WebProcessProxy();
static WebProcessProxy* fromConnection(IPC::Connection* connection)
{
return static_cast<WebProcessProxy*>(ChildProcessProxy::fromConnection(connection));
}
WebConnection* webConnection() const { return m_webConnection.get(); }
WebProcessPool& processPool() { return m_processPool; }
static WebPageProxy* webPage(uint64_t pageID);
Ref<WebPageProxy> createWebPage(PageClient&, Ref<API::PageConfiguration>&&);
void addExistingWebPage(WebPageProxy*, uint64_t pageID);
void removeWebPage(uint64_t pageID);
WTF::IteratorRange<WebPageProxyMap::const_iterator::Values> pages() const { return m_pageMap.values(); }
unsigned pageCount() const { return m_pageMap.size(); }
void addVisitedLinkStore(VisitedLinkStore&);
void addWebUserContentControllerProxy(WebUserContentControllerProxy&);
void didDestroyVisitedLinkStore(VisitedLinkStore&);
void didDestroyWebUserContentControllerProxy(WebUserContentControllerProxy&);
WebBackForwardListItem* webBackForwardItem(uint64_t itemID) const;
ResponsivenessTimer& responsivenessTimer() { return m_responsivenessTimer; }
WebFrameProxy* webFrame(uint64_t) const;
bool canCreateFrame(uint64_t frameID) const;
void frameCreated(uint64_t, WebFrameProxy*);
void disconnectFramesFromPage(WebPageProxy*); // Including main frame.
size_t frameCountInPage(WebPageProxy*) const; // Including main frame.
void updateTextCheckerState();
void registerNewWebBackForwardListItem(WebBackForwardListItem*);
void removeBackForwardItem(uint64_t);
void willAcquireUniversalFileReadSandboxExtension() { m_mayHaveUniversalFileReadSandboxExtension = true; }
void assumeReadAccessToBaseURL(const String&);
bool hasAssumedReadAccessToURL(const WebCore::URL&) const;
bool checkURLReceivedFromWebProcess(const String&);
bool checkURLReceivedFromWebProcess(const WebCore::URL&);
static bool fullKeyboardAccessEnabled();
void didSaveToPageCache();
void releasePageCache();
void fetchWebsiteData(WebCore::SessionID, WebsiteDataTypes, std::function<void (WebsiteData)> completionHandler);
void deleteWebsiteData(WebCore::SessionID, WebsiteDataTypes, std::chrono::system_clock::time_point modifiedSince, std::function<void ()> completionHandler);
void deleteWebsiteDataForOrigins(WebCore::SessionID, WebsiteDataTypes, const Vector<RefPtr<WebCore::SecurityOrigin>>& origins, std::function<void ()> completionHandler);
void enableSuddenTermination();
void disableSuddenTermination();
bool isSuddenTerminationEnabled() { return !m_numberOfTimesSuddenTerminationWasDisabled; }
void requestTermination();
RefPtr<API::Object> transformHandlesToObjects(API::Object*);
static RefPtr<API::Object> transformObjectsToHandles(API::Object*);
#if PLATFORM(COCOA)
RefPtr<ObjCObjectGraph> transformHandlesToObjects(ObjCObjectGraph&);
static RefPtr<ObjCObjectGraph> transformObjectsToHandles(ObjCObjectGraph&);
#endif
void windowServerConnectionStateChanged();
void processReadyToSuspend();
void didCancelProcessSuspension();
void setIsHoldingLockedFiles(bool);
ProcessThrottler& throttler() { return m_throttler; }
void reinstateNetworkProcessAssertionState(NetworkProcessProxy&);
void isResponsive(std::function<void(bool isWebProcessResponsive)>);
void didReceiveMainThreadPing();
private:
explicit WebProcessProxy(WebProcessPool&);
// From ChildProcessProxy
virtual void getLaunchOptions(ProcessLauncher::LaunchOptions&) override;
virtual void connectionWillOpen(IPC::Connection&) override;
virtual void processWillShutDown(IPC::Connection&) override;
// Called when the web process has crashed or we know that it will terminate soon.
// Will potentially cause the WebProcessProxy object to be freed.
void shutDown();
// IPC message handlers.
void addBackForwardItem(uint64_t itemID, uint64_t pageID, const PageState&);
void didDestroyFrame(uint64_t);
void shouldTerminate(bool& shouldTerminate);
void didFetchWebsiteData(uint64_t callbackID, const WebsiteData&);
void didDeleteWebsiteData(uint64_t callbackID);
void didDeleteWebsiteDataForOrigins(uint64_t callbackID);
// Plugins
#if ENABLE(NETSCAPE_PLUGIN_API)
void getPlugins(bool refresh, Vector<WebCore::PluginInfo>& plugins, Vector<WebCore::PluginInfo>& applicationPlugins);
#endif // ENABLE(NETSCAPE_PLUGIN_API)
#if ENABLE(NETSCAPE_PLUGIN_API)
void getPluginProcessConnection(uint64_t pluginProcessToken, PassRefPtr<Messages::WebProcessProxy::GetPluginProcessConnection::DelayedReply>);
#endif
void getNetworkProcessConnection(PassRefPtr<Messages::WebProcessProxy::GetNetworkProcessConnection::DelayedReply>);
#if ENABLE(DATABASE_PROCESS)
void getDatabaseProcessConnection(PassRefPtr<Messages::WebProcessProxy::GetDatabaseProcessConnection::DelayedReply>);
#endif
void retainIconForPageURL(const String& pageURL);
void releaseIconForPageURL(const String& pageURL);
void releaseRemainingIconsForPageURLs();
// IPC::Connection::Client
friend class WebConnectionToWebProcess;
virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
virtual void didReceiveSyncMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
virtual void didClose(IPC::Connection&) override;
virtual void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
virtual IPC::ProcessType localProcessType() override { return IPC::ProcessType::UI; }
virtual IPC::ProcessType remoteProcessType() override { return IPC::ProcessType::Web; }
// ResponsivenessTimer::Client
void didBecomeUnresponsive() override;
void didBecomeResponsive() override;
virtual void willChangeIsResponsive() override;
virtual void didChangeIsResponsive() override;
// ProcessThrottlerClient
void sendProcessWillSuspendImminently() override;
void sendPrepareToSuspend() override;
void sendCancelPrepareToSuspend() override;
void sendProcessDidResume() override;
void didSetAssertionState(AssertionState) override;
// ProcessLauncher::Client
virtual void didFinishLaunching(ProcessLauncher*, IPC::Connection::Identifier) override;
// Implemented in generated WebProcessProxyMessageReceiver.cpp
void didReceiveWebProcessProxyMessage(IPC::Connection&, IPC::MessageDecoder&);
void didReceiveSyncWebProcessProxyMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&);
bool canTerminateChildProcess();
ResponsivenessTimer m_responsivenessTimer;
RefPtr<WebConnectionToWebProcess> m_webConnection;
Ref<WebProcessPool> m_processPool;
bool m_mayHaveUniversalFileReadSandboxExtension; // True if a read extension for "/" was ever granted - we don't track whether WebProcess still has it.
HashSet<String> m_localPathsWithAssumedReadAccess;
WebPageProxyMap m_pageMap;
WebFrameProxyMap m_frameMap;
WebBackForwardListItemMap m_backForwardListItemMap;
HashSet<VisitedLinkStore*> m_visitedLinkStores;
HashSet<WebUserContentControllerProxy*> m_webUserContentControllerProxies;
CustomProtocolManagerProxy m_customProtocolManagerProxy;
HashMap<uint64_t, std::function<void (WebsiteData)>> m_pendingFetchWebsiteDataCallbacks;
HashMap<uint64_t, std::function<void ()>> m_pendingDeleteWebsiteDataCallbacks;
HashMap<uint64_t, std::function<void ()>> m_pendingDeleteWebsiteDataForOriginsCallbacks;
int m_numberOfTimesSuddenTerminationWasDisabled;
ProcessThrottler m_throttler;
ProcessThrottler::BackgroundActivityToken m_tokenForHoldingLockedFiles;
#if PLATFORM(IOS)
ProcessThrottler::ForegroundActivityToken m_foregroundTokenForNetworkProcess;
ProcessThrottler::BackgroundActivityToken m_backgroundTokenForNetworkProcess;
#endif
HashMap<String, uint64_t> m_pageURLRetainCountMap;
enum class NoOrMaybe { No, Maybe } m_isResponsive;
Vector<std::function<void(bool webProcessIsResponsive)>> m_isResponsiveCallbacks;
};
} // namespace WebKit
#endif // WebProcessProxy_h
|
