Cross-process postMessage

content/browser/browsing_instance_frame_id.cc

+// Copyright 2011 Google Inc. All Rights Reserved.
+// Author: supersat@google.com (Karl Koscher)

[Charlie Reis, 2011/12/01 23:13:02]

Nit: wrong template.

[supersat, 2011/12/09 23:08:20]

Done.

+
+#include "browsing_instance_frame_id.h"
+
+namespace content {
+
+BrowsingInstanceFrame::WebKitFrameIdTuple::WebKitFrameIdTuple(int proc_host_id,
+                                                              int64 frame_id)
+  : process_host_id(proc_host_id),
+    frame_id(frame_id) {
+}
+
+bool BrowsingInstanceFrame::WebKitFrameIdTuple::operator==(
+    const WebKitFrameIdTuple& o) const {
+  return o.process_host_id == process_host_id &&
+         o.frame_id == frame_id;
+}
+
+BrowsingInstanceFrame::BrowsingInstanceFrame(int64 id, bool is_top_level)
+  : id_(id),
+    current_webkit_frame_(WebKitFrameIdTuple(-1, -1)),
+    current_route_id_(-1),
+    is_top_level_(is_top_level) {
+}
+
+BrowsingInstanceFrame::~BrowsingInstanceFrame() {
+}
+
+void BrowsingInstanceFrame::UpdateFrame(int new_process_host_id,
+                                          int new_route_id,
+                                          int64 new_frame_id) {
+  current_webkit_frame_.process_host_id = new_process_host_id;
+  current_webkit_frame_.frame_id = new_frame_id;
+  current_route_id_ = new_route_id;
+  // TODO(supersat): Clear out subframes?
+}
+
+BrowsingInstanceFrame* BrowsingInstanceFrame::FindById(int64 id) {
+  if (id == id_)
+    return this;
+
+  std::list<BrowsingInstanceFrame *>::iterator iter;
+  for (iter = children_.begin(); iter != children_.end(); iter++) {
+    BrowsingInstanceFrame *retValue = (*iter)->FindById(id);
+    if (retValue) {
+      return retValue;
+    }
+  }
+
+  return 0;
+}
+
+}  // namespace content