Title: [128236] trunk/Source/WebKit2
Revision
128236
Author
[email protected]
Date
2012-09-11 16:17:20 -0700 (Tue, 11 Sep 2012)

Log Message

Get rid of the PluginProcessShim for 64-bit plug-ins
<rdar://problem/12068560> and https://bugs.webkit.org/show_bug.cgi?id=96415

Reviewed by Anders Carlsson.

* PluginProcess/PluginProcess.h:
(PluginProcess):

* PluginProcess/mac/PluginProcessMac.mm:
(WebKit::getCurrentEventButtonState):
(WebKit):
(WebKit::beginModal): Moved from the shim, to be shared with shimmed processes.
(WebKit::endModal): Ditto.
(WebKit::replacedRunModalForWindow): Only used by Cocoa overrides.
(WebKit::PluginProcess::initializeShim):
(WebKit::PluginProcess::initializeCocoaOverrides):

* PluginProcess/mac/PluginProcessMainMac.mm:
(WebKit::PluginProcessMain): Only call initializeShim for 32-bit processes, always call initializeCocoaOverrides

* PluginProcess/mac/PluginProcessShim.h:
(PluginProcessShimCallbacks):
* PluginProcess/mac/PluginProcessShim.mm:
(WebKit):
(WebKit::shimModalDialog): Call beginModal/endModal from the shim callbacks.
(WebKit::shimAlert): Ditto.
(WebKit::WebKitPluginProcessShimInitialize): Don't do the Cocoa overrides as they are now handled outside the shim.

Modified Paths

Diff

Modified: trunk/Source/WebKit2/ChangeLog (128235 => 128236)


--- trunk/Source/WebKit2/ChangeLog	2012-09-11 23:08:57 UTC (rev 128235)
+++ trunk/Source/WebKit2/ChangeLog	2012-09-11 23:17:20 UTC (rev 128236)
@@ -1,3 +1,33 @@
+2012-09-11  Brady Eidson  <[email protected]>
+
+        Get rid of the PluginProcessShim for 64-bit plug-ins
+        <rdar://problem/12068560> and https://bugs.webkit.org/show_bug.cgi?id=96415
+
+        Reviewed by Anders Carlsson.
+
+        * PluginProcess/PluginProcess.h:
+        (PluginProcess):
+
+        * PluginProcess/mac/PluginProcessMac.mm:
+        (WebKit::getCurrentEventButtonState):
+        (WebKit):
+        (WebKit::beginModal): Moved from the shim, to be shared with shimmed processes.
+        (WebKit::endModal): Ditto.
+        (WebKit::replacedRunModalForWindow): Only used by Cocoa overrides.
+        (WebKit::PluginProcess::initializeShim):
+        (WebKit::PluginProcess::initializeCocoaOverrides): 
+
+        * PluginProcess/mac/PluginProcessMainMac.mm:
+        (WebKit::PluginProcessMain): Only call initializeShim for 32-bit processes, always call initializeCocoaOverrides
+
+        * PluginProcess/mac/PluginProcessShim.h:
+        (PluginProcessShimCallbacks):
+        * PluginProcess/mac/PluginProcessShim.mm:
+        (WebKit):
+        (WebKit::shimModalDialog): Call beginModal/endModal from the shim callbacks.
+        (WebKit::shimAlert): Ditto.
+        (WebKit::WebKitPluginProcessShimInitialize): Don't do the Cocoa overrides as they are now handled outside the shim.
+
 2012-09-11  Marcelo Lira  <[email protected]>
 
         Restore original value of mock scrollbars enabled in InternalSettings

Modified: trunk/Source/WebKit2/PluginProcess/PluginProcess.h (128235 => 128236)


--- trunk/Source/WebKit2/PluginProcess/PluginProcess.h	2012-09-11 23:08:57 UTC (rev 128235)
+++ trunk/Source/WebKit2/PluginProcess/PluginProcess.h	2012-09-11 23:17:20 UTC (rev 128236)
@@ -56,6 +56,7 @@
 
 #if PLATFORM(MAC)
     void initializeShim();
+    void initializeCocoaOverrides();
 
     void setModalWindowIsShowing(bool);
     void setFullscreenWindowIsShowing(bool);

Modified: trunk/Source/WebKit2/PluginProcess/mac/PluginProcessMac.mm (128235 => 128236)


--- trunk/Source/WebKit2/PluginProcess/mac/PluginProcessMac.mm	2012-09-11 23:08:57 UTC (rev 128235)
+++ trunk/Source/WebKit2/PluginProcess/mac/PluginProcessMac.mm	2012-09-11 23:17:20 UTC (rev 128236)
@@ -36,6 +36,7 @@
 #import <WebCore/LocalizedStrings.h>
 #import <WebKitSystemInterface.h>
 #import <dlfcn.h>
+#import <objc/runtime.h>
 #import <wtf/HashSet.h>
 
 namespace WebKit {
@@ -160,17 +161,7 @@
     return 0;
 #endif
 }
-    
-static void cocoaWindowShown(NSWindow *window)
-{
-    fullscreenWindowTracker().windowShown(window);
-}
 
-static void cocoaWindowHidden(NSWindow *window)
-{
-    fullscreenWindowTracker().windowHidden(window);
-}
-
 static void carbonWindowShown(WindowRef window)
 {
 #ifndef NP_NO_CARBON
@@ -190,14 +181,44 @@
     PluginProcess::shared().setModalWindowIsShowing(modalWindowIsShowing);
 }
 
+static unsigned modalCount = 0;
+
+static void beginModal()
+{
+    // Make sure to make ourselves the front process
+    ProcessSerialNumber psn;
+    GetCurrentProcess(&psn);
+    SetFrontProcess(&psn);
+    
+    if (!modalCount++)
+        setModal(true);
+}
+
+static void endModal()
+{
+    if (!--modalCount)
+        setModal(false);
+}
+
+static IMP NSApplication_RunModalForWindow;
+
+static NSInteger replacedRunModalForWindow(id self, SEL _cmd, NSWindow* window)
+{
+    beginModal();
+    NSInteger result = ((NSInteger (*)(id, SEL, NSWindow *))NSApplication_RunModalForWindow)(self, _cmd, window);
+    endModal();
+
+    return result;
+}
+
 void PluginProcess::initializeShim()
 {
     const PluginProcessShimCallbacks callbacks = {
         shouldCallRealDebugger,
         isWindowActive,
         getCurrentEventButtonState,
-        cocoaWindowShown,
-        cocoaWindowHidden,
+        beginModal,
+        endModal,
         carbonWindowShown,
         carbonWindowHidden,
         setModal,
@@ -207,6 +228,30 @@
     initFunc(callbacks);
 }
 
+void PluginProcess::initializeCocoaOverrides()
+{
+    // Override -[NSApplication runModalForWindow:]
+    Method runModalForWindowMethod = class_getInstanceMethod(objc_getClass("NSApplication"), @selector(runModalForWindow:));
+    NSApplication_RunModalForWindow = method_setImplementation(runModalForWindowMethod, reinterpret_cast<IMP>(replacedRunModalForWindow));
+
+    NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];
+
+    // Track when any Cocoa window is about to be be shown.
+    id orderOnScreenObserver = [defaultCenter addObserverForName:WKWindowWillOrderOnScreenNotification()
+                                                          object:nil
+                                                           queue:nil
+                                                           usingBlock:^(NSNotification *notification) { fullscreenWindowTracker().windowShown([notification object]); }];
+    // Track when any Cocoa window is about to be hidden.
+    id orderOffScreenObserver = [defaultCenter addObserverForName:WKWindowWillOrderOffScreenNotification()
+                                                           object:nil
+                                                            queue:nil
+                                                       usingBlock:^(NSNotification *notification) { fullscreenWindowTracker().windowHidden([notification object]); }];
+
+    // Leak the two observers so that they observe notifications for the lifetime of the process.
+    CFRetain(orderOnScreenObserver);
+    CFRetain(orderOffScreenObserver);
+}
+
 void PluginProcess::setModalWindowIsShowing(bool modalWindowIsShowing)
 {
     m_connection->send(Messages::PluginProcessProxy::SetModalWindowIsShowing(modalWindowIsShowing), 0);

Modified: trunk/Source/WebKit2/PluginProcess/mac/PluginProcessMainMac.mm (128235 => 128236)


--- trunk/Source/WebKit2/PluginProcess/mac/PluginProcessMainMac.mm	2012-09-11 23:08:57 UTC (rev 128235)
+++ trunk/Source/WebKit2/PluginProcess/mac/PluginProcessMainMac.mm	2012-09-11 23:17:20 UTC (rev 128236)
@@ -116,9 +116,14 @@
     WTF::initializeMainThread();
     RunLoop::initializeMainRunLoop();
 
-    // Initialize the shim.
+#if defined(__i386__)
+    // Initialize the shim for 32-bit only.
     PluginProcess::shared().initializeShim();
+#endif
 
+    // Initialize Cocoa overrides. 
+    PluginProcess::shared().initializeCocoaOverrides();
+
     // Initialize the plug-in process connection.
     PluginProcess::shared().initialize(CoreIPC::Connection::Identifier(serverPort), RunLoop::main());
 

Modified: trunk/Source/WebKit2/PluginProcess/mac/PluginProcessShim.h (128235 => 128236)


--- trunk/Source/WebKit2/PluginProcess/mac/PluginProcessShim.h	2012-09-11 23:08:57 UTC (rev 128235)
+++ trunk/Source/WebKit2/PluginProcess/mac/PluginProcessShim.h	2012-09-11 23:17:20 UTC (rev 128236)
@@ -36,8 +36,8 @@
     bool (*shouldCallRealDebugger)();
     bool (*isWindowActive)(WindowRef, bool& result);
     UInt32 (*getCurrentEventButtonState)();
-    void (*cocoaWindowShown)(NSWindow *);
-    void (*cocoaWindowHidden)(NSWindow *);
+    void (*beginModal)();
+    void (*endModal)();
     void (*carbonWindowShown)(WindowRef);
     void (*carbonWindowHidden)(WindowRef);
     void (*setModal)(bool);

Modified: trunk/Source/WebKit2/PluginProcess/mac/PluginProcessShim.mm (128235 => 128236)


--- trunk/Source/WebKit2/PluginProcess/mac/PluginProcessShim.mm	2012-09-11 23:08:57 UTC (rev 128235)
+++ trunk/Source/WebKit2/PluginProcess/mac/PluginProcessShim.mm	2012-09-11 23:17:20 UTC (rev 128236)
@@ -42,35 +42,6 @@
 
 static PluginProcessShimCallbacks pluginProcessShimCallbacks;
 
-static IMP NSApplication_RunModalForWindow;
-static unsigned modalCount = 0;
-
-static void beginModal()
-{
-    // Make sure to make ourselves the front process
-    ProcessSerialNumber psn;
-    GetCurrentProcess(&psn);
-    SetFrontProcess(&psn);
-    
-    if (!modalCount++)
-        pluginProcessShimCallbacks.setModal(true);
-}
-
-static void endModal()
-{
-    if (!--modalCount)
-        pluginProcessShimCallbacks.setModal(false);
-}    
-
-static NSInteger shim_NSApplication_RunModalForWindow(id self, SEL _cmd, NSWindow* window)
-{
-    beginModal();
-    NSInteger result = ((NSInteger (*)(id, SEL, NSWindow *))NSApplication_RunModalForWindow)(self, _cmd, window);
-    endModal();
-
-    return result;
-}
-
 #ifndef __LP64__
 
 #if COMPILER(CLANG)
@@ -102,16 +73,16 @@
 
 static void shimModalDialog(ModalFilterUPP modalFilter, DialogItemIndex *itemHit)
 {
-    beginModal();
+    pluginProcessShimCallbacks.beginModal();
     ModalDialog(modalFilter, itemHit);
-    endModal();
+    pluginProcessShimCallbacks.endModal();
 }
 
 static DialogItemIndex shimAlert(SInt16 alertID, ModalFilterUPP modalFilter)
 {
-    beginModal();
+    pluginProcessShimCallbacks.beginModal();
     DialogItemIndex index = Alert(alertID, modalFilter);
-    endModal();
+    pluginProcessShimCallbacks.endModal();
     
     return index;
 }
@@ -146,27 +117,6 @@
 void WebKitPluginProcessShimInitialize(const PluginProcessShimCallbacks& callbacks)
 {
     pluginProcessShimCallbacks = callbacks;
-
-    // Override -[NSApplication runModalForWindow:]
-    Method runModalForWindowMethod = class_getInstanceMethod(objc_getClass("NSApplication"), @selector(runModalForWindow:));
-    NSApplication_RunModalForWindow = method_setImplementation(runModalForWindowMethod, reinterpret_cast<IMP>(shim_NSApplication_RunModalForWindow));
-
-    NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];
-
-    // Track when any Cocoa window is about to be be shown.
-    id orderOnScreenObserver = [defaultCenter addObserverForName:WKWindowWillOrderOnScreenNotification()
-                                                          object:nil
-                                                           queue:nil
-                                                           usingBlock:^(NSNotification *notification) { pluginProcessShimCallbacks.cocoaWindowShown([notification object]); }];
-    // Track when any cocoa window is about to be hidden.
-    id orderOffScreenObserver = [defaultCenter addObserverForName:WKWindowWillOrderOffScreenNotification()
-                                                           object:nil
-                                                            queue:nil
-                                                       usingBlock:^(NSNotification *notification) { pluginProcessShimCallbacks.cocoaWindowHidden([notification object]); }];
-
-    // Leak the two observers so that they observe notifications for the lifetime of the process.
-    CFRetain(orderOnScreenObserver);
-    CFRetain(orderOffScreenObserver);
 }
 
 } // namespace WebKit
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