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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All R ights Reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All R ights Reserved. |
3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmo bile.com/) | 3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmo bile.com/) |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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43 #include "core/page/ChromeClient.h" | 43 #include "core/page/ChromeClient.h" |
44 #include "core/page/ContextMenuController.h" | 44 #include "core/page/ContextMenuController.h" |
45 #include "core/page/DragController.h" | 45 #include "core/page/DragController.h" |
46 #include "core/page/FocusController.h" | 46 #include "core/page/FocusController.h" |
47 #include "core/page/PointerLockController.h" | 47 #include "core/page/PointerLockController.h" |
48 #include "core/page/ValidationMessageClient.h" | 48 #include "core/page/ValidationMessageClient.h" |
49 #include "core/page/scrolling/ScrollingCoordinator.h" | 49 #include "core/page/scrolling/ScrollingCoordinator.h" |
50 #include "core/paint/PaintLayer.h" | 50 #include "core/paint/PaintLayer.h" |
51 #include "platform/graphics/GraphicsLayer.h" | 51 #include "platform/graphics/GraphicsLayer.h" |
52 #include "platform/plugins/PluginData.h" | 52 #include "platform/plugins/PluginData.h" |
53 #include "platform/text/CompressibleString.h" | |
53 #include "public/platform/Platform.h" | 54 #include "public/platform/Platform.h" |
54 | 55 |
55 namespace blink { | 56 namespace blink { |
56 | 57 |
57 // Set of all live pages; includes internal Page objects that are | 58 // Set of all live pages; includes internal Page objects that are |
58 // not observable from scripts. | 59 // not observable from scripts. |
59 static Page::PageSet& allPages() | 60 static Page::PageSet& allPages() |
60 { | 61 { |
61 DEFINE_STATIC_LOCAL(Page::PageSet, allPages, ()); | 62 DEFINE_STATIC_LOCAL(Page::PageSet, allPages, ()); |
62 return allPages; | 63 return allPages; |
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129 , m_openedByDOM(false) | 130 , m_openedByDOM(false) |
130 , m_tabKeyCyclesThroughElements(true) | 131 , m_tabKeyCyclesThroughElements(true) |
131 , m_defersLoading(false) | 132 , m_defersLoading(false) |
132 , m_deviceScaleFactor(1) | 133 , m_deviceScaleFactor(1) |
133 , m_visibilityState(PageVisibilityStateVisible) | 134 , m_visibilityState(PageVisibilityStateVisible) |
134 , m_isCursorVisible(true) | 135 , m_isCursorVisible(true) |
135 #if ENABLE(ASSERT) | 136 #if ENABLE(ASSERT) |
136 , m_isPainting(false) | 137 , m_isPainting(false) |
137 #endif | 138 #endif |
138 , m_frameHost(FrameHost::create(*this)) | 139 , m_frameHost(FrameHost::create(*this)) |
140 , m_timerForCompressStrings(this, &Page::compressStrings) | |
139 { | 141 { |
140 ASSERT(m_editorClient); | 142 ASSERT(m_editorClient); |
141 | 143 |
142 ASSERT(!allPages().contains(this)); | 144 ASSERT(!allPages().contains(this)); |
143 allPages().add(this); | 145 allPages().add(this); |
144 } | 146 } |
145 | 147 |
146 Page::~Page() | 148 Page::~Page() |
147 { | 149 { |
148 #if !ENABLE(OILPAN) | 150 #if !ENABLE(OILPAN) |
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356 for (const Page* page : ordinaryPages()) { | 358 for (const Page* page : ordinaryPages()) { |
357 for (Frame* frame = page->m_mainFrame; frame; frame = frame->tree().trav erseNext()) { | 359 for (Frame* frame = page->m_mainFrame; frame; frame = frame->tree().trav erseNext()) { |
358 if (frame->isLocalFrame()) | 360 if (frame->isLocalFrame()) |
359 toLocalFrame(frame)->document()->visitedLinkState().invalidateSt yleForLink(linkHash); | 361 toLocalFrame(frame)->document()->visitedLinkState().invalidateSt yleForLink(linkHash); |
360 } | 362 } |
361 } | 363 } |
362 } | 364 } |
363 | 365 |
364 void Page::setVisibilityState(PageVisibilityState visibilityState, bool isInitia lState) | 366 void Page::setVisibilityState(PageVisibilityState visibilityState, bool isInitia lState) |
365 { | 367 { |
368 static const double waitingTimeBeforeCompressingString = 10; | |
369 | |
370 CompressibleStringImpl::setPageBackground(visibilityState == PageVisibilityS tateHidden); | |
366 if (m_visibilityState == visibilityState) | 371 if (m_visibilityState == visibilityState) |
367 return; | 372 return; |
368 m_visibilityState = visibilityState; | 373 m_visibilityState = visibilityState; |
369 | 374 |
370 if (!isInitialState) | 375 if (!isInitialState) |
371 notifyPageVisibilityChanged(); | 376 notifyPageVisibilityChanged(); |
372 | 377 |
373 if (!isInitialState && m_mainFrame && m_mainFrame->isLocalFrame()) | 378 if (!isInitialState && m_mainFrame && m_mainFrame->isLocalFrame()) |
374 deprecatedLocalMainFrame()->didChangeVisibilityState(); | 379 deprecatedLocalMainFrame()->didChangeVisibilityState(); |
380 | |
381 // Compress CompressibleStrings when 10 seconds have passed since the page | |
382 // went to background. | |
383 if (m_visibilityState == PageVisibilityStateHidden && !m_timerForCompressStr ings.isActive()) { | |
haraken
2016/01/19 07:43:35
Shouldn't this be:
if (m_visibilityState == Pag
hajimehoshi
2016/01/19 10:19:20
Done.
| |
384 m_timerForCompressStrings.startOneShot(waitingTimeBeforeCompressingStrin g, BLINK_FROM_HERE); | |
385 } else if (m_timerForCompressStrings.isActive()) { | |
386 m_timerForCompressStrings.stop(); | |
387 } | |
375 } | 388 } |
376 | 389 |
377 PageVisibilityState Page::visibilityState() const | 390 PageVisibilityState Page::visibilityState() const |
378 { | 391 { |
379 return m_visibilityState; | 392 return m_visibilityState; |
380 } | 393 } |
381 | 394 |
382 bool Page::isCursorVisible() const | 395 bool Page::isCursorVisible() const |
383 { | 396 { |
384 return m_isCursorVisible && settings().deviceSupportsMouse(); | 397 return m_isCursorVisible && settings().deviceSupportsMouse(); |
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577 m_scrollingCoordinator->willBeDestroyed(); | 590 m_scrollingCoordinator->willBeDestroyed(); |
578 | 591 |
579 chromeClient().chromeDestroyed(); | 592 chromeClient().chromeDestroyed(); |
580 if (m_validationMessageClient) | 593 if (m_validationMessageClient) |
581 m_validationMessageClient->willBeDestroyed(); | 594 m_validationMessageClient->willBeDestroyed(); |
582 m_mainFrame = nullptr; | 595 m_mainFrame = nullptr; |
583 | 596 |
584 PageLifecycleNotifier::notifyContextDestroyed(); | 597 PageLifecycleNotifier::notifyContextDestroyed(); |
585 } | 598 } |
586 | 599 |
600 void Page::compressStrings(Timer<Page>* timer) | |
601 { | |
602 ASSERT_UNUSED(timer, timer == &m_timerForCompressStrings); | |
603 if (m_visibilityState == PageVisibilityStateHidden) | |
604 CompressibleStringImpl::compressAll(); | |
605 } | |
606 | |
587 Page::PageClients::PageClients() | 607 Page::PageClients::PageClients() |
588 : chromeClient(nullptr) | 608 : chromeClient(nullptr) |
589 , contextMenuClient(nullptr) | 609 , contextMenuClient(nullptr) |
590 , editorClient(nullptr) | 610 , editorClient(nullptr) |
591 , dragClient(nullptr) | 611 , dragClient(nullptr) |
592 , spellCheckerClient(nullptr) | 612 , spellCheckerClient(nullptr) |
593 { | 613 { |
594 } | 614 } |
595 | 615 |
596 Page::PageClients::~PageClients() | 616 Page::PageClients::~PageClients() |
597 { | 617 { |
598 } | 618 } |
599 | 619 |
600 template class CORE_TEMPLATE_EXPORT WillBeHeapSupplement<Page>; | 620 template class CORE_TEMPLATE_EXPORT WillBeHeapSupplement<Page>; |
601 | 621 |
602 } // namespace blink | 622 } // namespace blink |
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