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// Copyright 2015 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 COMPONENTS_HTML_VIEWER_DOCUMENT_RESOURCE_WAITER_H_
#define COMPONENTS_HTML_VIEWER_DOCUMENT_RESOURCE_WAITER_H_
#include "base/basictypes.h"
#include "mandoline/tab/public/interfaces/frame_tree.mojom.h"
#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
namespace mojo {
class View;
}
namespace html_viewer {
class HTMLDocumentOOPIF;
class GlobalState;
// DocumentResourceWaiter waits for the necessary resources needed to load an
// HTMLDocument. Use IsReady() to determine when everything is available. Once
// ready it is assumed HTMLDocument will call back for the FrameTreeClient and
// FrameData.
class DocumentResourceWaiter : public mandoline::FrameTreeClient {
public:
DocumentResourceWaiter(GlobalState* global_state,
mojo::URLResponsePtr response,
HTMLDocumentOOPIF* document);
~DocumentResourceWaiter() override;
// Releases all the resources that have been accumulated.
void Release(mojo::InterfaceRequest<mandoline::FrameTreeClient>*
frame_tree_client_request,
mandoline::FrameTreeServerPtr* frame_tree_server,
mojo::Array<mandoline::FrameDataPtr>* frame_data,
uint32_t* change_id);
mojo::URLResponsePtr ReleaseURLResponse();
// See class description.
bool IsReady() const;
void set_root(mojo::View* root) { root_ = root; }
mojo::View* root() { return root_; }
void Bind(mojo::InterfaceRequest<mandoline::FrameTreeClient> request);
private:
// mandoline::FrameTreeClient:
void OnConnect(mandoline::FrameTreeServerPtr server,
uint32 change_id,
mojo::Array<mandoline::FrameDataPtr> frame_data) override;
void OnFrameAdded(uint32 change_id,
mandoline::FrameDataPtr frame_data) override;
void OnFrameRemoved(uint32 change_id, uint32_t frame_id) override;
void OnFrameClientPropertyChanged(uint32_t frame_id,
const mojo::String& name,
mojo::Array<uint8_t> new_value) override;
GlobalState* global_state_;
HTMLDocumentOOPIF* document_;
mojo::URLResponsePtr response_;
mojo::View* root_;
mandoline::FrameTreeServerPtr server_;
mojo::Array<mandoline::FrameDataPtr> frame_data_;
uint32_t change_id_;
// Once we get OnConnect() we unbind |frame_tree_client_binding_| and put it
// here.
mojo::InterfaceRequest<mandoline::FrameTreeClient> frame_tree_client_request_;
mojo::Binding<mandoline::FrameTreeClient> frame_tree_client_binding_;
DISALLOW_COPY_AND_ASSIGN(DocumentResourceWaiter);
};
} // namespace html_viewer
#endif // COMPONENTS_HTML_VIEWER_DOCUMENT_RESOURCE_WAITER_H_
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