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- // 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 COMPONENTS_CDM_BROWSER_CDM_MESSAGE_FILTER_ANDROID_H_
- #define COMPONENTS_CDM_BROWSER_CDM_MESSAGE_FILTER_ANDROID_H_
- #include "content/public/browser/browser_message_filter.h"
- struct SupportedKeySystemRequest;
- struct SupportedKeySystemResponse;
- namespace base {
- class SequencedTaskRunner;
- }
- namespace cdm {
- // Message filter for EME on Android. It is responsible for getting the
- // SupportedKeySystems information and passing it back to renderer.
- // TODO(xhwang): Convert this to a mojo interface or merge this with
- // desktop Chromium's IsPepperCdmAvailable() path.
- class CdmMessageFilterAndroid : public content::BrowserMessageFilter {
- public:
- CdmMessageFilterAndroid(bool can_persist_data,
- bool force_to_support_secure_codecs);
- CdmMessageFilterAndroid(const CdmMessageFilterAndroid&) = delete;
- CdmMessageFilterAndroid& operator=(const CdmMessageFilterAndroid&) = delete;
- private:
- ~CdmMessageFilterAndroid() override;
- // BrowserMessageFilter implementation.
- bool OnMessageReceived(const IPC::Message& message) override;
- scoped_refptr<base::SequencedTaskRunner> OverrideTaskRunnerForMessage(
- const IPC::Message& message) override;
- // Query the key system information.
- void OnQueryKeySystemSupport(const SupportedKeySystemRequest& request,
- SupportedKeySystemResponse* response);
- void OnGetPlatformKeySystemNames(std::vector<std::string>* key_systems);
- const scoped_refptr<base::SequencedTaskRunner> task_runner_;
- // Whether any data can be persisted by Chromium or by MediaDrm (e.g. false in
- // incognito mode).
- const bool can_persist_data_;
- // By default, rendering of secure codecs is supported when AndroidOverlay is
- // enabled. However, on platforms like Cast on Android, secure codecs are
- // always supported. This flag is used to force secure codecs support on such
- // platforms.
- // TODO(yucliu): Remove this and completely switch to the Clank model.
- const bool force_to_support_secure_codecs_;
- };
- } // namespace cdm
- #endif // COMPONENTS_CDM_BROWSER_CDM_MESSAGE_FILTER_ANDROID_H_
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