Pepper API implementation for output protection.

chromeos/display/real_output_configurator_delegate.h

 // Copyright (c) 2013 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 CHROMEOS_DISPLAY_REAL_OUTPUT_CONFIGURATOR_DELEGATE_H_
 #define CHROMEOS_DISPLAY_REAL_OUTPUT_CONFIGURATOR_DELEGATE_H_
 
+#include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chromeos/display/output_configurator.h"
 
 typedef XID Window;
 
 struct _XDisplay;
 typedef struct _XDisplay Display;
@@ skipping 29 matching lines @@
       int y) OVERRIDE;
   virtual void CreateFrameBuffer(
       int width,
       int height,
       const std::vector<OutputConfigurator::OutputSnapshot>& outputs) OVERRIDE;
   virtual void ConfigureCTM(
       int touch_device_id,
       const OutputConfigurator::CoordinateTransformation& ctm) OVERRIDE;
   virtual void SendProjectingStateToPowerManager(bool projecting) OVERRIDE;
 
+  virtual uint64_t RegisterOutputProtectionClient() OVERRIDE;
+  virtual void UnregisterOutputProtectionClient(uint64_t client_id) OVERRIDE;
+  virtual bool QueryOutputProtectionStatus(
+      uint64_t client_id,
+      uint32_t* link_mask,
+      uint32_t* protection_mask) OVERRIDE;
+  virtual bool EnableOutputProtection(
+      uint64_t client_id,
+      uint32_t desired_method_mask) OVERRIDE;
+
  private:
+  // Mapping a client to its protection request bitmask.
+  typedef std::map<uint64_t, uint32_t> ProtectionRequests;
+
+  enum HDCPState {
+    HDCP_State_Undesired,
+    HDCP_State_Desired,
+    HDCP_State_Enabled
+  };
+
   // Gets details corresponding to |mode|. Parameters may be NULL. Returns
   // true on success.
   bool GetModeDetails(RRMode mode, int* width, int* height, bool* interlaced);
 
   // Helper method for GetOutputs() that returns an OutputSnapshot struct based
   // on the passed-in information. Further initialization is required (e.g.
   // |selected_mode|, |mirror_mode|, and |touch_device_id|).
   OutputConfigurator::OutputSnapshot InitOutputSnapshot(
       RROutput id,
       XRROutputInfo* info,
@@ skipping 30 matching lines @@
                               RRMode* external_mirror_mode);
 
   // Searches for touchscreens among input devices,
   // and tries to match them up to screens in |outputs|.
   // |outputs| is an array of detected screens.
   // If a touchscreen with same resolution as an output's native mode
   // is detected, its id will be stored in this output.
   void GetTouchscreens(
       std::vector<OutputConfigurator::OutputSnapshot>* outputs);
 
+  // Get HDCP state of output.
+  bool GetHDCPState(RROutput id, HDCPState* state);
+  // Set HDCP state of output.
+  bool SetHDCPState(RROutput id, HDCPState state);
+  // Query output protection link type of output.
+  bool QueryOutputProtectionLinkType(
+      RROutput id,
+      OutputLinkType *link_type);
+
   Display* display_;
   Window window_;
 
   // Initialized when the server is grabbed and freed when it's ungrabbed.
   XRRScreenResources* screen_;
 
   // Used to enable modes which rely on panel fitting.
   bool is_panel_fitting_enabled_;
 
+  // Output protection requests of each client.
+  ProtectionRequests client_protection_requests_;
+
+  // Id for next output protection client.
+  uint64_t next_client_id_;
+
   DISALLOW_COPY_AND_ASSIGN(RealOutputConfiguratorDelegate);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DISPLAY_REAL_OUTPUT_CONFIGURATOR_DELEGATE_H_