PageGroup.cpp 11.4 KB
Newer Older
darin@apple.com's avatar
darin@apple.com committed
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
/*
 * Copyright (C) 2008 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. ``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
 * 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. 
 */

#include "config.h"
#include "PageGroup.h"

29
#include "Chrome.h"
darin@apple.com's avatar
darin@apple.com committed
30 31
#include "ChromeClient.h"
#include "Document.h"
32
#include "Frame.h"
33
#include "GroupSettings.h"
darin@apple.com's avatar
darin@apple.com committed
34
#include "Page.h"
35
#include "PageCache.h"
36
#include "SecurityOrigin.h"
37
#include "Settings.h"
38
#include "StorageNamespace.h"
darin@apple.com's avatar
darin@apple.com committed
39

brettw@chromium.org's avatar
brettw@chromium.org committed
40
#if PLATFORM(CHROMIUM)
41
#include "VisitedLinks.h"
brettw@chromium.org's avatar
brettw@chromium.org committed
42 43
#endif

darin@apple.com's avatar
darin@apple.com committed
44 45
namespace WebCore {

kmccullough@apple.com's avatar
kmccullough@apple.com committed
46 47 48 49 50 51
static unsigned getUniqueIdentifier()
{
    static unsigned currentIdentifier = 0;
    return ++currentIdentifier;
}

darin@apple.com's avatar
darin@apple.com committed
52 53
// --------

54
static bool shouldTrackVisitedLinks = false;
darin@apple.com's avatar
darin@apple.com committed
55

56 57 58 59
PageGroup::PageGroup(const String& name)
    : m_name(name)
    , m_visitedLinksPopulated(false)
    , m_identifier(getUniqueIdentifier())
60
    , m_groupSettings(GroupSettings::create())
61 62 63
{
}

darin@apple.com's avatar
darin@apple.com committed
64 65
PageGroup::PageGroup(Page* page)
    : m_visitedLinksPopulated(false)
kmccullough@apple.com's avatar
kmccullough@apple.com committed
66
    , m_identifier(getUniqueIdentifier())
67
    , m_groupSettings(GroupSettings::create())
darin@apple.com's avatar
darin@apple.com committed
68 69
{
    ASSERT(page);
70
    addPage(page);
darin@apple.com's avatar
darin@apple.com committed
71 72
}

73 74 75 76 77
PageGroup::~PageGroup()
{
    removeAllUserContent();
}

78 79 80 81 82
PassOwnPtr<PageGroup> PageGroup::create(Page* page)
{
    return adoptPtr(new PageGroup(page));
}

83 84 85 86 87 88 89 90 91 92
typedef HashMap<String, PageGroup*> PageGroupMap;
static PageGroupMap* pageGroups = 0;

PageGroup* PageGroup::pageGroup(const String& groupName)
{
    ASSERT(!groupName.isEmpty());
    
    if (!pageGroups)
        pageGroups = new PageGroupMap;

93
    PageGroupMap::AddResult result = pageGroups->add(groupName, 0);
94

95
    if (result.isNewEntry) {
96 97
        ASSERT(!result.iterator->second);
        result.iterator->second = new PageGroup(groupName);
98 99
    }

100 101
    ASSERT(result.iterator->second);
    return result.iterator->second;
102 103
}

beidson@apple.com's avatar
beidson@apple.com committed
104 105 106 107 108 109 110 111
void PageGroup::closeLocalStorage()
{
    if (!pageGroups)
        return;

    PageGroupMap::iterator end = pageGroups->end();

    for (PageGroupMap::iterator it = pageGroups->begin(); it != end; ++it) {
112 113
        if (it->second->hasLocalStorage())
            it->second->localStorage()->close();
beidson@apple.com's avatar
beidson@apple.com committed
114 115 116
    }
}

117 118 119 120 121 122 123
void PageGroup::clearLocalStorageForAllOrigins()
{
    if (!pageGroups)
        return;

    PageGroupMap::iterator end = pageGroups->end();
    for (PageGroupMap::iterator it = pageGroups->begin(); it != end; ++it) {
124 125
        if (it->second->hasLocalStorage())
            it->second->localStorage()->clearAllOriginsForDeletion();
126 127 128 129 130 131 132 133 134 135
    }
}

void PageGroup::clearLocalStorageForOrigin(SecurityOrigin* origin)
{
    if (!pageGroups)
        return;

    PageGroupMap::iterator end = pageGroups->end();
    for (PageGroupMap::iterator it = pageGroups->begin(); it != end; ++it) {
136 137
        if (it->second->hasLocalStorage())
            it->second->localStorage()->clearOriginForDeletion(origin);
138 139 140 141 142 143 144 145 146 147
    }    
}
    
void PageGroup::syncLocalStorage()
{
    if (!pageGroups)
        return;

    PageGroupMap::iterator end = pageGroups->end();
    for (PageGroupMap::iterator it = pageGroups->begin(); it != end; ++it) {
148 149
        if (it->second->hasLocalStorage())
            it->second->localStorage()->sync();
150 151 152 153 154 155 156 157 158 159 160
    }
}

unsigned PageGroup::numberOfPageGroups()
{
    if (!pageGroups)
        return 0;

    return pageGroups->size();
}

darin@apple.com's avatar
darin@apple.com committed
161 162 163 164 165 166 167 168 169 170 171 172 173 174
void PageGroup::addPage(Page* page)
{
    ASSERT(page);
    ASSERT(!m_pages.contains(page));
    m_pages.add(page);
}

void PageGroup::removePage(Page* page)
{
    ASSERT(page);
    ASSERT(m_pages.contains(page));
    m_pages.remove(page);
}

brettw@chromium.org's avatar
brettw@chromium.org committed
175
bool PageGroup::isLinkVisited(LinkHash visitedLinkHash)
darin@apple.com's avatar
darin@apple.com committed
176
{
brettw@chromium.org's avatar
brettw@chromium.org committed
177 178
#if PLATFORM(CHROMIUM)
    // Use Chromium's built-in visited link database.
179
    return VisitedLinks::isLinkVisited(visitedLinkHash);
brettw@chromium.org's avatar
brettw@chromium.org committed
180
#else
darin@apple.com's avatar
darin@apple.com committed
181 182 183 184 185
    if (!m_visitedLinksPopulated) {
        m_visitedLinksPopulated = true;
        ASSERT(!m_pages.isEmpty());
        (*m_pages.begin())->chrome()->client()->populateVisitedLinks();
    }
darin@apple.com's avatar
darin@apple.com committed
186
    return m_visitedLinkHashes.contains(visitedLinkHash);
brettw@chromium.org's avatar
brettw@chromium.org committed
187
#endif
darin@apple.com's avatar
darin@apple.com committed
188
}
darin@apple.com's avatar
darin@apple.com committed
189

190 191
void PageGroup::addVisitedLinkHash(LinkHash hash)
{
192 193
    if (shouldTrackVisitedLinks)
        addVisitedLink(hash);
194 195
}

brettw@chromium.org's avatar
brettw@chromium.org committed
196
inline void PageGroup::addVisitedLink(LinkHash hash)
darin@apple.com's avatar
darin@apple.com committed
197 198
{
    ASSERT(shouldTrackVisitedLinks);
brettw@chromium.org's avatar
brettw@chromium.org committed
199
#if !PLATFORM(CHROMIUM)
200
    if (!m_visitedLinkHashes.add(hash).isNewEntry)
darin@apple.com's avatar
darin@apple.com committed
201
        return;
brettw@chromium.org's avatar
brettw@chromium.org committed
202 203
#endif
    Page::visitedStateChanged(this, hash);
204
    pageCache()->markPagesForVistedLinkStyleRecalc();
darin@apple.com's avatar
darin@apple.com committed
205 206 207 208
}

void PageGroup::addVisitedLink(const KURL& url)
{
darin@apple.com's avatar
darin@apple.com committed
209 210
    if (!shouldTrackVisitedLinks)
        return;
darin@apple.com's avatar
darin@apple.com committed
211
    ASSERT(!url.isEmpty());
brettw@chromium.org's avatar
brettw@chromium.org committed
212
    addVisitedLink(visitedLinkHash(url.string().characters(), url.string().length()));
darin@apple.com's avatar
darin@apple.com committed
213 214 215 216
}

void PageGroup::addVisitedLink(const UChar* characters, size_t length)
{
darin@apple.com's avatar
darin@apple.com committed
217 218
    if (!shouldTrackVisitedLinks)
        return;
brettw@chromium.org's avatar
brettw@chromium.org committed
219
    addVisitedLink(visitedLinkHash(characters, length));
darin@apple.com's avatar
darin@apple.com committed
220 221 222 223
}

void PageGroup::removeVisitedLinks()
{
darin@apple.com's avatar
darin@apple.com committed
224
    m_visitedLinksPopulated = false;
darin@apple.com's avatar
darin@apple.com committed
225 226 227 228
    if (m_visitedLinkHashes.isEmpty())
        return;
    m_visitedLinkHashes.clear();
    Page::allVisitedStateChanged(this);
229
    pageCache()->markPagesForVistedLinkStyleRecalc();
darin@apple.com's avatar
darin@apple.com committed
230 231 232 233 234
}

void PageGroup::removeAllVisitedLinks()
{
    Page::removeAllVisitedLinks();
235
    pageCache()->markPagesForVistedLinkStyleRecalc();
darin@apple.com's avatar
darin@apple.com committed
236 237
}

darin@apple.com's avatar
darin@apple.com committed
238 239 240 241 242 243 244 245 246
void PageGroup::setShouldTrackVisitedLinks(bool shouldTrack)
{
    if (shouldTrackVisitedLinks == shouldTrack)
        return;
    shouldTrackVisitedLinks = shouldTrack;
    if (!shouldTrackVisitedLinks)
        removeAllVisitedLinks();
}

247
StorageNamespace* PageGroup::localStorage()
248
{
249
    if (!m_localStorage) {
250 251 252 253 254 255
        // Need a page in this page group to query the settings for the local storage database path.
        // Having these parameters attached to the page settings is unfortunate since these settings are
        // not per-page (and, in fact, we simply grab the settings from some page at random), but
        // at this point we're stuck with it.
        Page* page = *m_pages.begin();
        const String& path = page->settings()->localStorageDatabasePath();
256
        unsigned quota = m_groupSettings->localStorageQuotaBytes();
257
        m_localStorage = StorageNamespace::localStorageNamespace(path, quota);
258
    }
259

260 261
    return m_localStorage.get();
}
262

263 264 265
void PageGroup::addUserScriptToWorld(DOMWrapperWorld* world, const String& source, const KURL& url,
                                     PassOwnPtr<Vector<String> > whitelist, PassOwnPtr<Vector<String> > blacklist,
                                     UserScriptInjectionTime injectionTime, UserContentInjectedFrames injectedFrames)
266
{
267 268
    ASSERT_ARG(world, world);

269
    OwnPtr<UserScript> userScript = adoptPtr(new UserScript(source, url, whitelist, blacklist, injectionTime, injectedFrames));
270
    if (!m_userScripts)
271
        m_userScripts = adoptPtr(new UserScriptMap);
272
    OwnPtr<UserScriptVector>& scriptsInWorld = m_userScripts->add(world, nullptr).iterator->second;
273
    if (!scriptsInWorld)
274
        scriptsInWorld = adoptPtr(new UserScriptVector);
275 276 277
    scriptsInWorld->append(userScript.release());
}

278 279
void PageGroup::addUserStyleSheetToWorld(DOMWrapperWorld* world, const String& source, const KURL& url,
                                         PassOwnPtr<Vector<String> > whitelist, PassOwnPtr<Vector<String> > blacklist,
280
                                         UserContentInjectedFrames injectedFrames,
281 282
                                         UserStyleLevel level,
                                         UserStyleInjectionTime injectionTime)
283
{
284 285
    ASSERT_ARG(world, world);

286
    OwnPtr<UserStyleSheet> userStyleSheet = adoptPtr(new UserStyleSheet(source, url, whitelist, blacklist, injectedFrames, level));
287
    if (!m_userStyleSheets)
288
        m_userStyleSheets = adoptPtr(new UserStyleSheetMap);
289
    OwnPtr<UserStyleSheetVector>& styleSheetsInWorld = m_userStyleSheets->add(world, nullptr).iterator->second;
290
    if (!styleSheetsInWorld)
291
        styleSheetsInWorld = adoptPtr(new UserStyleSheetVector);
292
    styleSheetsInWorld->append(userStyleSheet.release());
293

294 295
    if (injectionTime == InjectInExistingDocuments)
        resetUserStyleCacheInAllFrames();
296
}
297

298
void PageGroup::removeUserScriptFromWorld(DOMWrapperWorld* world, const KURL& url)
299
{
300 301
    ASSERT_ARG(world, world);

302 303 304
    if (!m_userScripts)
        return;

305
    UserScriptMap::iterator it = m_userScripts->find(world);
306 307 308
    if (it == m_userScripts->end())
        return;
    
309
    UserScriptVector* scripts = it->second.get();
310 311 312
    for (int i = scripts->size() - 1; i >= 0; --i) {
        if (scripts->at(i)->url() == url)
            scripts->remove(i);
313 314
    }
    
315 316
    if (scripts->isEmpty())
        m_userScripts->remove(it);
317 318
}

319
void PageGroup::removeUserStyleSheetFromWorld(DOMWrapperWorld* world, const KURL& url)
320
{
321 322
    ASSERT_ARG(world, world);

323 324 325
    if (!m_userStyleSheets)
        return;

326
    UserStyleSheetMap::iterator it = m_userStyleSheets->find(world);
327 328 329 330
    bool sheetsChanged = false;
    if (it == m_userStyleSheets->end())
        return;
    
331
    UserStyleSheetVector* stylesheets = it->second.get();
332 333 334 335
    for (int i = stylesheets->size() - 1; i >= 0; --i) {
        if (stylesheets->at(i)->url() == url) {
            stylesheets->remove(i);
            sheetsChanged = true;
336
        }
337
    }
338
        
339 340 341
    if (!sheetsChanged)
        return;

342
    if (stylesheets->isEmpty())
343
        m_userStyleSheets->remove(it);
344 345

    resetUserStyleCacheInAllFrames();
346 347
}

348
void PageGroup::removeUserScriptsFromWorld(DOMWrapperWorld* world)
349
{
350 351
    ASSERT_ARG(world, world);

352 353 354
    if (!m_userScripts)
        return;

355
    UserScriptMap::iterator it = m_userScripts->find(world);
356 357 358 359 360 361
    if (it == m_userScripts->end())
        return;
       
    m_userScripts->remove(it);
}

362
void PageGroup::removeUserStyleSheetsFromWorld(DOMWrapperWorld* world)
363
{
364 365
    ASSERT_ARG(world, world);

366 367
    if (!m_userStyleSheets)
        return;
368
    
369
    UserStyleSheetMap::iterator it = m_userStyleSheets->find(world);
370 371
    if (it == m_userStyleSheets->end())
        return;
372
    
373 374
    m_userStyleSheets->remove(it);

375
    resetUserStyleCacheInAllFrames();
376 377 378 379
}

void PageGroup::removeAllUserContent()
{
380
    m_userScripts.clear();
381

382 383
    if (m_userStyleSheets) {
        m_userStyleSheets.clear();
384
        resetUserStyleCacheInAllFrames();
385
    }
386 387
}

388 389 390 391 392 393
void PageGroup::resetUserStyleCacheInAllFrames()
{
    // Clear our cached sheets and have them just reparse.
    HashSet<Page*>::const_iterator end = m_pages.end();
    for (HashSet<Page*>::const_iterator it = m_pages.begin(); it != end; ++it) {
        for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext())
394
            frame->document()->updatePageGroupUserSheets();
395 396 397
    }
}

darin@apple.com's avatar
darin@apple.com committed
398
} // namespace WebCore