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// Copyright (c) 2012 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 CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
#define CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
#include <stdint.h>
#include <map>
#include <string>
#include "base/scoped_observer.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/extension_function.h"
#include "extensions/browser/extension_registry_observer.h"
namespace content {
class BrowserContext;
class StreamHandle;
struct StreamInfo;
}
namespace extensions {
class ExtensionRegistry;
class StreamsPrivateAPI : public BrowserContextKeyedAPI,
public ExtensionRegistryObserver {
public:
// Convenience method to get the StreamsPrivateAPI for a BrowserContext.
static StreamsPrivateAPI* Get(content::BrowserContext* context);
explicit StreamsPrivateAPI(content::BrowserContext* context);
~StreamsPrivateAPI() override;
// Send the onExecuteMimeTypeHandler event to |extension_id|.
// |web_contents| is used to determine the tabId where the document is being
// opened. The data for the document will be readable from |stream|, and
// should be |expected_content_size| bytes long. If the viewer is being opened
// in a BrowserPlugin, specify a non-empty |view_id| of the plugin. |embedded|
// should be set to whether the document is embedded within another document.
// The |frame_tree_node_id| parameter is used for PlzNavigate for the top
// level plugins case. (PDF, etc). If this parameter has a valid value then
// it overrides the |render_process_id| and |render_frame_id| parameters.
// The |render_process_id| is the id of the renderer process.
// The |render_frame_id| is the routing id of the RenderFrameHost.
void ExecuteMimeTypeHandler(const std::string& extension_id,
std::unique_ptr<content::StreamInfo> stream,
const std::string& view_id,
int64_t expected_content_size,
bool embedded,
int frame_tree_node_id,
int render_process_id,
int render_frame_id);
void AbortStream(const std::string& extension_id,
const GURL& stream_url,
const base::Closure& callback);
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<StreamsPrivateAPI>* GetFactoryInstance();
private:
friend class BrowserContextKeyedAPIFactory<StreamsPrivateAPI>;
// ExtensionRegistryObserver implementation.
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) override;
// BrowserContextKeyedAPI implementation.
static const char* service_name() {
return "StreamsPrivateAPI";
}
static const bool kServiceIsNULLWhileTesting = true;
static const bool kServiceRedirectedInIncognito = true;
content::BrowserContext* const browser_context_;
using StreamMap =
std::map<std::string,
std::map<GURL, std::unique_ptr<content::StreamHandle>>>;
StreamMap streams_;
// Listen to extension unloaded notifications.
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
base::WeakPtrFactory<StreamsPrivateAPI> weak_ptr_factory_;
};
class StreamsPrivateAbortFunction : public UIThreadExtensionFunction {
public:
StreamsPrivateAbortFunction();
DECLARE_EXTENSION_FUNCTION("streamsPrivate.abort", STREAMSPRIVATE_ABORT)
protected:
~StreamsPrivateAbortFunction() override {}
// ExtensionFunction:
ExtensionFunction::ResponseAction Run() override;
private:
void OnClose();
std::string stream_url_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
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