Pepper API implementation for output protection.

chromeos/display/real_output_configurator_delegate.h

Index: chromeos/display/real_output_configurator_delegate.h
diff --git a/chromeos/display/real_output_configurator_delegate.h b/chromeos/display/real_output_configurator_delegate.h
index 2753ae55ffb19c778613eab77193abb8467c1699..1f886096a1178c02a7131e072bbd37c1020e0b78 100644
--- a/chromeos/display/real_output_configurator_delegate.h
+++ b/chromeos/display/real_output_configurator_delegate.h
@@ -5,6 +5,7 @@
 #ifndef CHROMEOS_DISPLAY_REAL_OUTPUT_CONFIGURATOR_DELEGATE_H_
 #define CHROMEOS_DISPLAY_REAL_OUTPUT_CONFIGURATOR_DELEGATE_H_
 
+#include <map>
 #include <vector>
 
 #include "base/basictypes.h"
@@ -54,7 +55,26 @@ class RealOutputConfiguratorDelegate : public OutputConfigurator::Delegate {
       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);
@@ -105,6 +125,15 @@ class RealOutputConfiguratorDelegate : public OutputConfigurator::Delegate {
   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_;
 
@@ -114,6 +143,12 @@ class RealOutputConfiguratorDelegate : public OutputConfigurator::Delegate {
   // Used to enable modes which rely on panel fitting.
   bool is_panel_fitting_enabled_;
 
+  // Output protection requests of each client.
+  ProtectionRequests client_protection_requests_;
+
+  // TODO(kcwu) lock
+  uint64_t next_client_id_;
+
   DISALLOW_COPY_AND_ASSIGN(RealOutputConfiguratorDelegate);
 };