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33 lines
1.6 KiB
Plaintext
33 lines
1.6 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module display.mojom;
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// An interface for clients that are allowed to control the display output
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// content protection. Multiple clients can request content protection at
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// the same time, and the display will be protected until all clients are
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// closed or set |desired_method_mask| to 0 with |SetContentProtection|.
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interface OutputProtection {
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// Queries link status and protection status.
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// |link_mask| is the type of connected display links, which is a bitmask of
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// DisplayConnectionType values.
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// |protection_mask)| is the desired protection methods, which is a bitmask of
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// the ContentProtectionMethod values.
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// See //ui/display/types/display_constants.h for DisplayConnectionType and
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// ContentProtectionMethod.
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QueryContentProtectionStatus(int64 display_id) => (bool success,
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uint32 link_mask,
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uint32 protection_mask);
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// Requests the desired protection methods.
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// |protection_mask| is the desired protection methods, which is a bitmask
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// of the ContentProtectionMethod values. When the interface is closed,
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// the content protection mask will be reverted.
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// Return true on success. Return false if it failed to make the protection
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// request on the given display.
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// See //ui/display/types/display_constants.h for ContentProtectionMethod.
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SetContentProtection(int64 display_id,
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uint32 desired_method_mask) => (bool success);
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};
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