summaryrefslogtreecommitdiff
path: root/Source/WebKit2/UIProcess/WebProcessProxy.h
blob: a22f4723ff6705bb8c8b591bd9708d331ca7ea90 (plain)
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
/*
 * 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 "ChildProcessProxy.h"
#include "MessageReceiverMap.h"
#include "PlatformProcessIdentifier.h"
#include "PluginInfoStore.h"
#include "ProcessLauncher.h"
#include "ResponsivenessTimer.h"
#include "WebConnectionToWebProcess.h"
#include "WebPageProxy.h"
#include "WebProcessProxyMessages.h"
#include <WebCore/LinkHash.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>

#if ENABLE(CUSTOM_PROTOCOLS)
#include "CustomProtocolManagerProxy.h"
#endif

namespace WebCore {
class KURL;
struct PluginInfo;
};

namespace WebKit {

class DownloadProxyMap;
class WebBackForwardListItem;
class WebContext;
class WebPageGroup;
struct WebNavigationDataStore;

class WebProcessProxy : public ChildProcessProxy, ResponsivenessTimer::Client {
public:
    typedef HashMap<uint64_t, RefPtr<WebBackForwardListItem> > WebBackForwardListItemMap;
    typedef HashMap<uint64_t, RefPtr<WebFrameProxy> > WebFrameProxyMap;
    typedef HashMap<uint64_t, WebPageProxy*> WebPageProxyMap;

    static PassRefPtr<WebProcessProxy> create(PassRefPtr<WebContext>);
    ~WebProcessProxy();

    static WebProcessProxy* fromConnection(CoreIPC::Connection* connection)
    {
        return static_cast<WebProcessProxy*>(ChildProcessProxy::fromConnection(connection));
    }

    WebConnection* webConnection() const { return m_webConnection.get(); }

    WebContext* context() const { return m_context.get(); }

    static WebPageProxy* webPage(uint64_t pageID);
    PassRefPtr<WebPageProxy> createWebPage(PageClient*, WebContext*, WebPageGroup*);
    void addExistingWebPage(WebPageProxy*, uint64_t pageID);
    void removeWebPage(uint64_t pageID);
    Vector<WebPageProxy*> pages() const;

    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 willAcquireUniversalFileReadSandboxExtension() { m_mayHaveUniversalFileReadSandboxExtension = true; }
    void assumeReadAccessToBaseURL(const String&);

    bool checkURLReceivedFromWebProcess(const String&);
    bool checkURLReceivedFromWebProcess(const WebCore::KURL&);

    static bool fullKeyboardAccessEnabled();

    DownloadProxy* createDownloadProxy();

    void pageVisibilityChanged(WebPageProxy*);
    void pagePreferencesChanged(WebPageProxy*);

    void didSaveToPageCache();
    void releasePageCache();

#if PLATFORM(MAC)
    bool allPagesAreProcessSuppressible() const;
    static bool pageIsProcessSuppressible(WebPageProxy*);
    void updateProcessSuppressionState();
#endif

    void enableSuddenTermination();
    void disableSuddenTermination();

    void requestTermination();

private:
    explicit WebProcessProxy(PassRefPtr<WebContext>);

    // From ChildProcessProxy
    virtual void getLaunchOptions(ProcessLauncher::LaunchOptions&) OVERRIDE;
    void platformGetLaunchOptions(ProcessLauncher::LaunchOptions&);
    virtual void connectionWillOpen(CoreIPC::Connection*) OVERRIDE;
    virtual void connectionWillClose(CoreIPC::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 disconnect();

    // CoreIPC message handlers.
    void addBackForwardItem(uint64_t itemID, const String& originalURLString, const String& urlString, const String& title, const CoreIPC::DataReference& backForwardData);
    void didDestroyFrame(uint64_t);
    
    void shouldTerminate(bool& shouldTerminate);

    // Plugins
#if ENABLE(NETSCAPE_PLUGIN_API)
    void getPlugins(bool refresh, Vector<WebCore::PluginInfo>& plugins);
#endif // ENABLE(NETSCAPE_PLUGIN_API)
#if ENABLE(PLUGIN_PROCESS)
    void getPluginProcessConnection(uint64_t pluginProcessToken, PassRefPtr<Messages::WebProcessProxy::GetPluginProcessConnection::DelayedReply>);
#elif ENABLE(NETSCAPE_PLUGIN_API)
    void didGetSitesWithPluginData(const Vector<String>& sites, uint64_t callbackID);
    void didClearPluginSiteData(uint64_t callbackID);
#endif
#if ENABLE(NETWORK_PROCESS)
    void getNetworkProcessConnection(PassRefPtr<Messages::WebProcessProxy::GetNetworkProcessConnection::DelayedReply>);
#endif
#if ENABLE(SHARED_WORKER_PROCESS)
    void getSharedWorkerProcessConnection(const String& url, const String& name, PassRefPtr<Messages::WebProcessProxy::GetSharedWorkerProcessConnection::DelayedReply>);
#endif

    // CoreIPC::Connection::Client
    friend class WebConnectionToWebProcess;
    virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) OVERRIDE;
    virtual void didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&, OwnPtr<CoreIPC::MessageEncoder>&) OVERRIDE;
    virtual void didClose(CoreIPC::Connection*) OVERRIDE;
    virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::StringReference messageReceiverName, CoreIPC::StringReference messageName) OVERRIDE;

    // ResponsivenessTimer::Client
    void didBecomeUnresponsive(ResponsivenessTimer*) OVERRIDE;
    void interactionOccurredWhileUnresponsive(ResponsivenessTimer*) OVERRIDE;
    void didBecomeResponsive(ResponsivenessTimer*) OVERRIDE;

    // ProcessLauncher::Client
    virtual void didFinishLaunching(ProcessLauncher*, CoreIPC::Connection::Identifier) OVERRIDE;

    // History client
    void didNavigateWithNavigationData(uint64_t pageID, const WebNavigationDataStore&, uint64_t frameID);
    void didPerformClientRedirect(uint64_t pageID, const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
    void didPerformServerRedirect(uint64_t pageID, const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
    void didUpdateHistoryTitle(uint64_t pageID, const String& title, const String& url, uint64_t frameID);

    // Implemented in generated WebProcessProxyMessageReceiver.cpp
    void didReceiveWebProcessProxyMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&);
    void didReceiveSyncWebProcessProxyMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&, OwnPtr<CoreIPC::MessageEncoder>&);

    bool canTerminateChildProcess();

    ResponsivenessTimer m_responsivenessTimer;
    
    RefPtr<WebConnectionToWebProcess> m_webConnection;
    RefPtr<WebContext> m_context;

    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;

    OwnPtr<DownloadProxyMap> m_downloadProxyMap;

#if ENABLE(CUSTOM_PROTOCOLS)
    CustomProtocolManagerProxy m_customProtocolManagerProxy;
#endif

#if PLATFORM(MAC)
    HashSet<uint64_t> m_processSuppressiblePages;
    bool m_processSuppressionEnabled;
#endif
};
    
} // namespace WebKit

#endif // WebProcessProxy_h