Index: content/browser/manifest/manifest_manager_host.h |
diff --git a/content/browser/manifest/manifest_manager_host.h b/content/browser/manifest/manifest_manager_host.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ee2415340c8ea395a9d706454434fa7f59cee59e |
--- /dev/null |
+++ b/content/browser/manifest/manifest_manager_host.h |
@@ -0,0 +1,66 @@ |
+// Copyright 2014 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. |
+ |
+#ifndef CONTENT_RENDERER_MANIFEST_MANIFEST_MANAGER_HOST_H_ |
+#define CONTENT_RENDERER_MANIFEST_MANIFEST_MANAGER_HOST_H_ |
+ |
+#include "base/callback_forward.h" |
+#include "base/id_map.h" |
+#include "content/public/browser/web_contents_observer.h" |
+ |
+#if defined(COMPILER_GCC) |
+namespace BASE_HASH_NAMESPACE { |
+template<> |
+struct hash<content::RenderFrameHost*> { |
+ uint64 operator()(content::RenderFrameHost* ptr) const { |
+ return hash<uint64>()(reinterpret_cast<uint64>(ptr)); |
+ } |
+}; |
+} |
+#endif |
+ |
+namespace content { |
+ |
+class RenderFrameHost; |
+class WebContents; |
+struct Manifest; |
+ |
+// ManifestManagerHost is a helper class that allows callers to get the Manifest |
+// associated with a frame. It handles the IPC messaging with the child process. |
+// TODO(mlamouri): keep a cached version and a dirty bit here. |
+class ManifestManagerHost : public WebContentsObserver { |
+ public: |
+ explicit ManifestManagerHost(WebContents* web_contents); |
+ virtual ~ManifestManagerHost(); |
+ |
+ typedef base::Callback<void(const Manifest&)> GetManifestCallback; |
+ |
+ // Calls the given callback with the manifest associated with the |
+ // given RenderFrameHost. If the frame has no manifest or if getting it failed |
+ // the callback will have an empty manifest. |
+ void GetManifest(RenderFrameHost*, const GetManifestCallback&); |
+ |
+ // WebContentsObserver |
+ virtual bool OnMessageReceived(const IPC::Message&, |
+ RenderFrameHost*) OVERRIDE; |
+ virtual void RenderFrameDeleted(RenderFrameHost*) OVERRIDE; |
+ |
+ private: |
+ typedef IDMap<GetManifestCallback, IDMapOwnPointer> CallbackMap; |
+ typedef base::hash_map<RenderFrameHost*, CallbackMap*> FrameCallbackMap; |
+ |
+ void OnRequestManifestResponse( |
+ RenderFrameHost*, int request_id, const Manifest&); |
+ |
+ // Returns the CallbackMap associated with the given RenderFrameHost, or null. |
+ CallbackMap* GetCallbackMapForFrame(RenderFrameHost*); |
+ |
+ FrameCallbackMap pending_callbacks_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ManifestManagerHost); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_MANIFEST_MANIFEST_MANAGER_HOST_H_ |