Implement IME for Mac plugins using the Cocoa event model on 10.6

chrome/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/render_widget_host.h"
 
 #include "app/keyboard_codes.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
@@ skipping 150 matching lines @@
                         OnMsgImeUpdateTextInputState)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCancelComposition,
                         OnMsgImeCancelComposition)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GpuRenderingActivated,
                         OnMsgGpuRenderingActivated)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowPopup, OnMsgShowPopup)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetScreenInfo, OnMsgGetScreenInfo)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetWindowRect, OnMsgGetWindowRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetRootWindowRect, OnMsgGetRootWindowRect)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_SetPluginImeEnabled,
+                        OnMsgSetPluginImeEnabled)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocateFakePluginWindowHandle,
                         OnAllocateFakePluginWindowHandle)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DestroyFakePluginWindowHandle,
                         OnDestroyFakePluginWindowHandle)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AcceleratedSurfaceSetIOSurface,
                         OnAcceleratedSurfaceSetIOSurface)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AcceleratedSurfaceSetTransportDIB,
                         OnAcceleratedSurfaceSetTransportDIB)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AcceleratedSurfaceBuffersSwapped,
                         OnAcceleratedSurfaceBuffersSwapped)
@@ skipping 818 matching lines @@
   }
 }
 
 void RenderWidgetHost::OnMsgGetRootWindowRect(gfx::NativeViewId window_id,
                                               gfx::Rect* results) {
   if (view_) {
     *results = view_->GetRootWindowRect();
   }
 }
 
+void RenderWidgetHost::OnMsgSetPluginImeEnabled(bool enabled, int plugin_id) {
+  view_->SetPluginImeEnabled(enabled, plugin_id);
+}
+
 void RenderWidgetHost::OnAllocateFakePluginWindowHandle(
     bool opaque,
     bool root,
     gfx::PluginWindowHandle* id) {
   // TODO(kbr): similar potential issue here as in OnMsgCreatePluginContainer.
   // Possibly less of an issue because this is only used for the GPU plugin.
   if (view_) {
     *id = view_->AllocateFakePluginWindowHandle(opaque, root);
   } else {
     NOTIMPLEMENTED();
@@ skipping 183 matching lines @@
                << type << "). Ignoring event.";
 
     // Something must be wrong. Clear the |key_queue_| and
     // |suppress_next_char_events_| so that we can resume from the error.
     key_queue_.clear();
     suppress_next_char_events_ = false;
   } else {
     NativeWebKeyboardEvent front_item = key_queue_.front();
     key_queue_.pop_front();
 
+#if defined(OS_MACOSX)
+    if (!is_hidden_ && view_->PostProcessEventForPluginIme(front_item))
+      return;
+#endif
+
     // We only send unprocessed key event upwards if we are not hidden,
     // because the user has moved away from us and no longer expect any effect
     // of this key event.
     if (!processed && !is_hidden_ && !front_item.skip_in_browser) {
       UnhandledKeyboardEvent(front_item);
 
       // WARNING: This RenderWidgetHost can be deallocated at this point
       // (i.e.  in the case of Ctrl+W, where the call to
       // UnhandledKeyboardEvent destroys this RenderWidgetHost).
     }
   }
 }