Title: [184235] branches/safari-601.1.32-branch/Source

Diff

Modified: branches/safari-601.1.32-branch/Source/WebCore/ChangeLog (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebCore/ChangeLog	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebCore/ChangeLog	2015-05-13 03:15:49 UTC (rev 184235)
@@ -1,35 +1,35 @@
 2015-05-12  Dana Burkart
-Dana Burkart  <dburk...@apple.com>
+Dana Burkart  <dburk...@apple.com
+dburk...@apple.com>
 
-        Merge r183942. rdar://problem/20049088
+        Merge r183909. rdar://problem/18894598
 
-    2015-05-06  Dean Jackson  <d...@apple.com>
+    2015-05-06  Daniel Bates  <daba...@apple.com>
 
-            Handle backdrop views that have to tile
-            https://bugs.webkit.org/show_bug.cgi?id=142317
-            <rdar://problem/20049088>
+            [iOS][WK2] Pause/resume database thread when UIProcess enters/leaves the background
+            https://bugs.webkit.org/show_bug.cgi?id=144657
+            <rdar://problem/18894598>
 
-            Reviewed by Simon Fraser.
+            Reviewed by Andy Estes.
 
-            Take 2 - this was rolled out because Mavericks was crashing.
+            Export WebCore functionality to pause and resume the database thread so that we can
+            make use of this functionality from WebKit2.
 
-            Make sure backdrop layers don't tile. If they are big
-            enough, we'll leave it to the platform compositor to handle.
+            * Modules/webdatabase/AbstractDatabaseServer.h:
+            * Modules/webdatabase/DatabaseManager.cpp:
+            (WebCore::DatabaseManager::setPauseAllDatabases): Added; turns around and calls DatabaseServer::setPauseAllDatabases().
+            * Modules/webdatabase/DatabaseManager.h:
+            * Modules/webdatabase/DatabaseServer.cpp:
+            (WebCore::DatabaseServer::setPauseAllDatabases): Added; turns around and calls
+            DatabaseTracker::tracker().setDatabasesPaused() to pause or resume the database thread.
+            For now, we guard this call with PLATFORM(IOS). We'll look to remove this guard once
+            we fix <https://bugs.webkit.org/show_bug.cgi?id=144660>.
+            * Modules/webdatabase/DatabaseServer.h:
 
-            This also fixes a bug where if a layer changed from a backdrop
-            type to a tiled type, it would still retain its custom appearance
-            and we'd try to add children to the wrong layer.
-
-            Test: compositing/media-controls-bar-appearance-big.html
-
-            * platform/graphics/ca/GraphicsLayerCA.cpp:
-            (WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers): Check if
-            a layer needs a backdrop before checking if it needs to tile.
-
     2015-05-12  Dana Burkart
     Dana Burkart  <dburk...@apple.com>
 
-            Merge r183894. rdar://problem/20049088
+            Merge r183942. rdar://problem/20049088
 
         2015-05-06  Dean Jackson  <d...@apple.com>
 
@@ -39,6 +39,8 @@
 
                 Reviewed by Simon Fraser.
 
+                Take 2 - this was rolled out because Mavericks was crashing.
+
                 Make sure backdrop layers don't tile. If they are big
                 enough, we'll leave it to the platform compositor to handle.
 
@@ -52,6 +54,32 @@
                 (WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers): Check if
                 a layer needs a backdrop before checking if it needs to tile.
 
+        2015-05-12  Dana Burkart
+        Dana Burkart  <dburk...@apple.com>
+
+                Merge r183894. rdar://problem/20049088
+
+            2015-05-06  Dean Jackson  <d...@apple.com>
+
+                    Handle backdrop views that have to tile
+                    https://bugs.webkit.org/show_bug.cgi?id=142317
+                    <rdar://problem/20049088>
+
+                    Reviewed by Simon Fraser.
+
+                    Make sure backdrop layers don't tile. If they are big
+                    enough, we'll leave it to the platform compositor to handle.
+
+                    This also fixes a bug where if a layer changed from a backdrop
+                    type to a tiled type, it would still retain its custom appearance
+                    and we'd try to add children to the wrong layer.
+
+                    Test: compositing/media-controls-bar-appearance-big.html
+
+                    * platform/graphics/ca/GraphicsLayerCA.cpp:
+                    (WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers): Check if
+                    a layer needs a backdrop before checking if it needs to tile.
+
 2015-05-06  Brent Fulgham  <bfulg...@apple.com>
 
         Scroll-snap points do not handle margins and padding propertly

Modified: branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/AbstractDatabaseServer.h (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/AbstractDatabaseServer.h	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/AbstractDatabaseServer.h	2015-05-13 03:15:49 UTC (rev 184235)
@@ -71,6 +71,8 @@
     virtual bool deleteOrigin(SecurityOrigin*) = 0;
     virtual bool deleteDatabase(SecurityOrigin*, const String& name) = 0;
 
+    virtual void setPauseAllDatabases(bool) = 0;
+
     virtual void interruptAllDatabasesForContext(const DatabaseContext*) = 0;
 
 protected:

Modified: branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseManager.cpp (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseManager.cpp	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseManager.cpp	2015-05-13 03:15:49 UTC (rev 184235)
@@ -397,6 +397,11 @@
     return m_server->deleteDatabase(origin, name);
 }
 
+void DatabaseManager::setPauseAllDatabases(bool pauseAllDatabases)
+{
+    m_server->setPauseAllDatabases(pauseAllDatabases);
+}
+
 void DatabaseManager::interruptAllDatabasesForContext(ScriptExecutionContext* context)
 {
     RefPtr<DatabaseContext> databaseContext = existingDatabaseContextFor(context);

Modified: branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseManager.h (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseManager.h	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseManager.h	2015-05-13 03:15:49 UTC (rev 184235)
@@ -103,6 +103,8 @@
     WEBCORE_EXPORT bool deleteOrigin(SecurityOrigin*);
     WEBCORE_EXPORT bool deleteDatabase(SecurityOrigin*, const String& name);
 
+    WEBCORE_EXPORT void setPauseAllDatabases(bool);
+
     void interruptAllDatabasesForContext(ScriptExecutionContext*);
 
 private:

Modified: branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseServer.cpp (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseServer.cpp	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseServer.cpp	2015-05-13 03:15:49 UTC (rev 184235)
@@ -108,6 +108,15 @@
     return DatabaseTracker::tracker().deleteDatabase(origin, name);
 }
 
+void DatabaseServer::setPauseAllDatabases(bool pauseAllDatabases)
+{
+#if PLATFORM(IOS)
+    DatabaseTracker::tracker().setDatabasesPaused(pauseAllDatabases);
+#else
+    UNUSED_PARAM(pauseAllDatabases);
+#endif
+}
+
 void DatabaseServer::interruptAllDatabasesForContext(const DatabaseContext* context)
 {
     DatabaseTracker::tracker().interruptAllDatabasesForContext(context);

Modified: branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseServer.h (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseServer.h	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebCore/Modules/webdatabase/DatabaseServer.h	2015-05-13 03:15:49 UTC (rev 184235)
@@ -60,6 +60,8 @@
     virtual bool deleteOrigin(SecurityOrigin*);
     virtual bool deleteDatabase(SecurityOrigin*, const String& name);
 
+    void setPauseAllDatabases(bool) override;
+
     virtual void interruptAllDatabasesForContext(const DatabaseContext*);
 
 protected:

Modified: branches/safari-601.1.32-branch/Source/WebKit2/ChangeLog (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/ChangeLog	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/ChangeLog	2015-05-13 03:15:49 UTC (rev 184235)
@@ -1,27 +1,46 @@
 2015-05-12  Dana Burkart
-Dana Burkart  <dburk...@apple.com>
+Dana Burkart  <dburk...@apple.com
+dburk...@apple.com>
 
-        Merge r183942. rdar://problem/20049088
+        Merge r183909. rdar://problem/18894598
 
-    2015-05-06  Dean Jackson  <d...@apple.com>
+    2015-05-06  Daniel Bates  <daba...@apple.com>
 
-            Handle backdrop views that have to tile
-            https://bugs.webkit.org/show_bug.cgi?id=142317
-            <rdar://problem/20049088>
+            [iOS][WK2] Pause/resume database thread when UIProcess enters/leaves the background
+            https://bugs.webkit.org/show_bug.cgi?id=144657
+            <rdar://problem/18894598>
 
-            Reviewed by Simon Fraser.
+            Reviewed by Andy Estes.
 
-            Take 2 - this was rolled out because Mavericks was crashing.
+            Pause and resume the database thread when the UIProcess enters and leaves the background,
+            respectively, so that we avoid WebProcess termination due to holding a locked SQLite
+            database file when the WebProcess is suspended. This behavior matches the analagous
+            behavior in Legacy WebKit.
 
-            Add some better logging for custom appearance.
+            * UIProcess/WebPageProxy.h:
+            * UIProcess/ios/WKContentView.mm:
+            (-[WKContentView _applicationDidEnterBackground:]): Call WebPageProxy::applicationDidEnterBackground()
+            when the UIProcess enters the background.
+            * UIProcess/ios/WebPageProxyIOS.mm:
+            (WebKit::WebPageProxy::applicationDidEnterBackground): Added; notify the WebProcess to pause the database thread.
+            We temporarily take out background assertion on the WebProcess before sending this notification to ensure that the
+            WebProcess is running to receive it. We'll release this assertion when the WebProcess replies that it received the
+            notification.
+            * WebProcess/WebCoreSupport/WebDatabaseManager.cpp:
+            (WebKit::WebDatabaseManager::setPauseAllDatabases): Added; turns around and calls DatabaseManager::setPauseAllDatabases().
+            * WebProcess/WebCoreSupport/WebDatabaseManager.h:
+            * WebProcess/WebPage/WebPage.h:
+            * WebProcess/WebPage/WebPage.messages.in: Add message ApplicationDidEnterBackground(). Also,
+            add empty lines to help demarcate this message and the other UIKit application lifecycle-related
+            messages from the rest of the list of messages.
+            * WebProcess/WebPage/ios/WebPageIOS.mm:
+            (WebKit::WebPage::applicationWillEnterForeground): Resume the database thread.
+            (WebKit::WebPage::applicationDidEnterBackground): Pause the database thread.
 
-            * Shared/mac/RemoteLayerTreeTransaction.mm:
-            (WebKit::RemoteLayerTreeTextStream::operator<<):
-
     2015-05-12  Dana Burkart
     Dana Burkart  <dburk...@apple.com>
 
-            Merge r183894. rdar://problem/20049088
+            Merge r183942. rdar://problem/20049088
 
         2015-05-06  Dean Jackson  <d...@apple.com>
 
@@ -31,11 +50,31 @@
 
                 Reviewed by Simon Fraser.
 
+                Take 2 - this was rolled out because Mavericks was crashing.
+
                 Add some better logging for custom appearance.
 
                 * Shared/mac/RemoteLayerTreeTransaction.mm:
                 (WebKit::RemoteLayerTreeTextStream::operator<<):
 
+        2015-05-12  Dana Burkart
+        Dana Burkart  <dburk...@apple.com>
+
+                Merge r183894. rdar://problem/20049088
+
+            2015-05-06  Dean Jackson  <d...@apple.com>
+
+                    Handle backdrop views that have to tile
+                    https://bugs.webkit.org/show_bug.cgi?id=142317
+                    <rdar://problem/20049088>
+
+                    Reviewed by Simon Fraser.
+
+                    Add some better logging for custom appearance.
+
+                    * Shared/mac/RemoteLayerTreeTransaction.mm:
+                    (WebKit::RemoteLayerTreeTextStream::operator<<):
+
 2015-05-11  Babak Shafiei  <bshaf...@apple.com>
 
         Merge r184004.

Modified: branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/WebPageProxy.h (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/WebPageProxy.h	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/WebPageProxy.h	2015-05-13 03:15:49 UTC (rev 184235)
@@ -493,9 +493,12 @@
     void setAssistedNodeValue(const String&);
     void setAssistedNodeValueAsNumber(double);
     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection = false);
+
     void applicationWillEnterForeground();
+    void applicationDidEnterBackground();
     void applicationWillResignActive();
     void applicationDidBecomeActive();
+
     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
     void commitPotentialTapFailed();
     void didNotHandleTapAsClick(const WebCore::IntPoint&);

Modified: branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/ios/WKContentView.mm (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/ios/WKContentView.mm	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/ios/WKContentView.mm	2015-05-13 03:15:49 UTC (rev 184235)
@@ -551,6 +551,7 @@
 - (void)_applicationDidEnterBackground:(NSNotification*)notification
 {
     _isBackground = YES;
+    _page->applicationDidEnterBackground();
     _page->viewStateDidChange(ViewState::AllFlags & ~ViewState::IsInWindow);
 }
 

Modified: branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm	2015-05-13 03:15:49 UTC (rev 184235)
@@ -598,6 +598,12 @@
     m_process->send(Messages::WebPage::ApplicationWillEnterForeground(), m_pageID);
 }
 
+void WebPageProxy::applicationDidEnterBackground()
+{
+    uint64_t callbackID = m_callbacks.put(VoidCallback::create([](CallbackBase::Error) { }, m_process->throttler().backgroundActivityToken()));
+    m_process->send(Messages::WebPage::ApplicationDidEnterBackground(callbackID), m_pageID);
+}
+
 void WebPageProxy::applicationWillResignActive()
 {
     m_process->send(Messages::WebPage::ApplicationWillResignActive(), m_pageID);

Modified: branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebCoreSupport/WebDatabaseManager.cpp (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebCoreSupport/WebDatabaseManager.cpp	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebCoreSupport/WebDatabaseManager.cpp	2015-05-13 03:15:49 UTC (rev 184235)
@@ -137,6 +137,11 @@
     DatabaseManager::singleton().deleteAllDatabases();
 }
 
+void WebDatabaseManager::setPauseAllDatabases(bool pauseAllDatabases)
+{
+    DatabaseManager::singleton().setPauseAllDatabases(pauseAllDatabases);
+}
+
 void WebDatabaseManager::setQuotaForOrigin(const String& originIdentifier, unsigned long long quota) const
 {
     // If the quota is set to a value lower than the current usage, that quota will

Modified: branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebCoreSupport/WebDatabaseManager.h (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebCoreSupport/WebDatabaseManager.h	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebCoreSupport/WebDatabaseManager.h	2015-05-13 03:15:49 UTC (rev 184235)
@@ -46,6 +46,8 @@
     void setQuotaForOrigin(const String& originIdentifier, unsigned long long quota) const;
     void deleteAllDatabases() const;
 
+    void setPauseAllDatabases(bool);
+
 private:
     // WebProcessSupplement
     virtual void initialize(const WebProcessCreationParameters&) override;

Modified: branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/WebPage.h (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/WebPage.h	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/WebPage.h	2015-05-13 03:15:49 UTC (rev 184235)
@@ -786,9 +786,12 @@
     void updateVisibleContentRects(const VisibleContentRectUpdateInfo&, double oldestTimestamp);
     bool scaleWasSetByUIProcess() const { return m_scaleWasSetByUIProcess; }
     void willStartUserTriggeredZooming();
+
     void applicationWillResignActive();
     void applicationWillEnterForeground();
+    void applicationDidEnterBackground(uint64_t callbackID);
     void applicationDidBecomeActive();
+
     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
     void completePendingSyntheticClickForContentChangeObserver();
 #endif

Modified: branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in	2015-05-13 03:15:49 UTC (rev 184235)
@@ -87,9 +87,12 @@
     SetAssistedNodeValue(String value)
     SetAssistedNodeValueAsNumber(double value)
     SetAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection)
+
     ApplicationWillResignActive()
     ApplicationWillEnterForeground()
+    ApplicationDidEnterBackground(uint64_t callbackID)
     ApplicationDidBecomeActive()
+
     ContentSizeCategoryDidChange(String contentSizeCategory)
     ExecuteEditCommandWithCallback(String name, uint64_t callbackID)
     GetLookupContextAtPoint(WebCore::IntPoint point, uint64_t callbackID)

Modified: branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (184234 => 184235)


--- branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm	2015-05-13 03:08:50 UTC (rev 184234)
+++ branches/safari-601.1.32-branch/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm	2015-05-13 03:15:49 UTC (rev 184235)
@@ -42,6 +42,7 @@
 #import "WKAccessibilityWebPageObjectIOS.h"
 #import "WebChromeClient.h"
 #import "WebCoreArgumentCoders.h"
+#import "WebDatabaseManager.h"
 #import "WebFrame.h"
 #import "WebImage.h"
 #import "WebKitSystemInterface.h"
@@ -2720,9 +2721,16 @@
 
 void WebPage::applicationWillEnterForeground()
 {
+    WebProcess::singleton().supplement<WebDatabaseManager>()->setPauseAllDatabases(false);
     [[NSNotificationCenter defaultCenter] postNotificationName:WebUIApplicationWillEnterForegroundNotification object:nil];
 }
 
+void WebPage::applicationDidEnterBackground(uint64_t callbackID)
+{
+    WebProcess::singleton().supplement<WebDatabaseManager>()->setPauseAllDatabases(true);
+    send(Messages::WebPageProxy::VoidCallback(callbackID));
+}
+
 void WebPage::applicationDidBecomeActive()
 {
     [[NSNotificationCenter defaultCenter] postNotificationName:WebUIApplicationDidBecomeActiveNotification object:nil];
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