Implement the CoreAnimation drawing model for plug-ins, sharing IPC and some rendering code with the GPU Plug-in. The drawing model negotiation is currently disabled so this should have no visible impact to plug-ins.

BUG=32012 
TEST=make sure the pepper GPU plug-ins still work.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@41194 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 33 insertions, 6 deletions

diff --git a/webkit/glue/plugins/webplugin_delegate_impl.h b/webkit/glue/plugins/webplugin_delegate_impl.h
index 1327464..d8bb88c 100644
--- a/webkit/glue/plugins/webplugin_delegate_impl.h
+++ b/webkit/glue/plugins/webplugin_delegate_impl.h
@@ -16,10 +16,15 @@
 #include "base/gfx/rect.h"
 #include "base/ref_counted.h"
 #include "base/task.h"
+#include "base/timer.h"
 #include "third_party/npapi/bindings/npapi.h"
 #include "webkit/glue/webcursor.h"
 #include "webkit/glue/webplugin_delegate.h"
 
+#if defined(OS_MACOSX)
+#include "chrome/common/accelerated_surface_mac.h"
+#endif
+
 #if defined(USE_X11)
 typedef struct _GdkDrawable GdkPixmap;
 #endif
@@ -32,8 +37,19 @@ namespace WebKit {
 class WebMouseEvent;
 }
 
-// An implementation of WebPluginDelegate that proxies all calls to
-// the plugin process.
+#if defined(OS_MACOSX)
+class CoreAnimationRedrawTimerSource;
+#ifdef __OBJC__
+@class CALayer;
+@class CARenderer;
+#else
+class CALayer;
+class CARenderer;
+#endif
+#endif
+
+// An implementation of WebPluginDelegate that runs in the plugin process,
+// proxied from the renderer by WebPluginDelegateProxy.
 class WebPluginDelegateImpl : public webkit_glue::WebPluginDelegate {
  public:
   enum PluginQuirks {
@@ -146,6 +162,12 @@ class WebPluginDelegateImpl : public webkit_glue::WebPluginDelegate {
   // Informs the delegate that the plugin set a Cocoa NSCursor.
   void SetNSCursor(NSCursor* cursor);
 
+  // Informs the browser about the updated accelerated drawing surface.
+  void UpdateAcceleratedSurface();
+
+  // Uses a CARenderer to draw the plug-in's layer in our OpenGL surface.
+  void DrawLayerInSurface();
+
 #ifndef NP_NO_CARBON
   // Indicates that it's time to send the plugin a null event.
   void FireIdleEvent();
@@ -157,10 +179,11 @@ class WebPluginDelegateImpl : public webkit_glue::WebPluginDelegate {
   }
 
 #if defined(OS_MACOSX)
-  // On Mac OS X and for the GPU plugin only, this handle is a fake
-  // one and comes in from the outside world.
+  // Allow setting a "fake" window handle to associate this plug-in with
+  // an IOSurface in the browser. Used for accelerated drawing surfaces.
   void set_windowed_handle(gfx::PluginWindowHandle handle) {
     windowed_handle_ = handle;
+    UpdateAcceleratedSurface();
   }
 #endif
 
@@ -244,7 +267,7 @@ class WebPluginDelegateImpl : public webkit_glue::WebPluginDelegate {
 
   // used for windowed plugins
   // Note: on Mac OS X, the only time the windowed handle is non-zero
-  // is the case of the GPU plugin, which uses a fake window handle to
+  // is the case of accelerated rendering, which uses a fake window handle to
   // identify itself back to the browser. It still performs all of its
   // work offscreen.
   gfx::PluginWindowHandle windowed_handle_;
@@ -301,6 +324,10 @@ class WebPluginDelegateImpl : public webkit_glue::WebPluginDelegate {
 #ifndef NP_NO_QUICKDRAW
   NP_Port qd_port_;
 #endif
+  CALayer* layer_;  // Used for CA drawing mode. Weak, retained by plug-in.
+  AcceleratedSurface* surface_;
+  CARenderer* renderer_;  // Renders layer_ to surface_.
+  scoped_ptr<base::RepeatingTimer<WebPluginDelegateImpl> > redraw_timer_;
 #endif
   gfx::Rect window_rect_;
   gfx::Rect clip_rect_;
@@ -356,7 +383,7 @@ class WebPluginDelegateImpl : public webkit_glue::WebPluginDelegate {
 #ifndef NP_NO_CARBON
   // Moves our dummy window to match the current screen location of the plugin.
   void UpdateDummyWindowBounds(const gfx::Point& plugin_origin);
-  
+
 #ifndef NP_NO_QUICKDRAW
   // Scrapes the contents of our dummy window into the given context.
   void ScrapeDummyWindowIntoContext(CGContextRef context);