// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/renderer/pepper/resource_creation_impl.h"

#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "build/build_config.h"
#include "content/common/content_switches_internal.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/renderer/pepper/ppb_audio_impl.h"
#include "content/renderer/pepper/ppb_buffer_impl.h"
#include "content/renderer/pepper/ppb_graphics_3d_impl.h"
#include "content/renderer/pepper/ppb_image_data_impl.h"
#include "content/renderer/pepper/ppb_video_decoder_impl.h"
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_size.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/shared_impl/ppb_audio_config_shared.h"
#include "ppapi/shared_impl/ppb_audio_shared.h"
#include "ppapi/shared_impl/ppb_image_data_shared.h"
#include "ppapi/shared_impl/ppb_input_event_shared.h"
#include "ppapi/shared_impl/var.h"

#if BUILDFLAG(IS_WIN)
#include "base/command_line.h"
#endif

using ppapi::InputEventData;
using ppapi::PPB_InputEvent_Shared;
using ppapi::StringVar;

namespace content {

namespace {

// Returns whether the PPB_VideoDecoder(Dev) API is enabled. The API is enabled
// iff either:
// (a) the relevant base::Feature is set, or
// (b) the relevant "force-enable" switch is passed on the command line (this
// overrides the value of the base::Feature).
bool IsVideoDecoderDevAPIEnabled() {
  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
          switches::kForceEnablePepperVideoDecoderDevAPI)) {
    return true;
  }

  return base::FeatureList::IsEnabled(
      features::kSupportPepperVideoDecoderDevAPI);
}

}  // namespace

ResourceCreationImpl::ResourceCreationImpl(PepperPluginInstanceImpl* instance) {
}

ResourceCreationImpl::~ResourceCreationImpl() {}

PP_Resource ResourceCreationImpl::CreateAudio1_0(
    PP_Instance instance,
    PP_Resource config_id,
    PPB_Audio_Callback_1_0 audio_callback,
    void* user_data) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateAudio(PP_Instance instance,
                                              PP_Resource config_id,
                                              PPB_Audio_Callback audio_callback,
                                              void* user_data) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateAudioConfig(
    PP_Instance instance,
    PP_AudioSampleRate sample_rate,
    uint32_t sample_frame_count) {
  return ppapi::PPB_AudioConfig_Shared::Create(
      ppapi::OBJECT_IS_IMPL, instance, sample_rate, sample_frame_count);
}

PP_Resource ResourceCreationImpl::CreateAudioTrusted(PP_Instance instance) {
  return (new PPB_Audio_Impl(instance))->GetReference();
}

PP_Resource ResourceCreationImpl::CreateAudioInput(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateAudioOutput(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateBuffer(PP_Instance instance,
                                               uint32_t size) {
  return PPB_Buffer_Impl::Create(instance, size);
}

PP_Resource ResourceCreationImpl::CreateCameraDevicePrivate(
    PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateGraphics3D(PP_Instance instance,
                                                   PP_Resource share_context,
                                                   const int32_t* attrib_list) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateGraphics3DRaw(
    PP_Instance instance,
    PP_Resource share_context,
    const gpu::ContextCreationAttribs& attrib_helper,
    gpu::Capabilities* capabilities,
    const base::UnsafeSharedMemoryRegion** shared_state,
    gpu::CommandBufferId* command_buffer_id) {
  return PPB_Graphics3D_Impl::CreateRaw(instance, share_context, attrib_helper,
                                        capabilities, shared_state,
                                        command_buffer_id);
}

PP_Resource ResourceCreationImpl::CreateHostResolver(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateHostResolverPrivate(
    PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateImageData(PP_Instance instance,
                                                  PP_ImageDataFormat format,
                                                  const PP_Size* size,
                                                  PP_Bool init_to_zero) {
#if BUILDFLAG(IS_WIN)
  // We use the SIMPLE image data type as the PLATFORM image data type
  // calls GDI functions to create DIB sections etc which fail in Win32K
  // lockdown mode.
  return CreateImageDataSimple(instance, format, size, init_to_zero);
#else
  return PPB_ImageData_Impl::Create(instance,
                                    ppapi::PPB_ImageData_Shared::PLATFORM,
                                    format,
                                    *size,
                                    init_to_zero);
#endif
}

PP_Resource ResourceCreationImpl::CreateImageDataSimple(
    PP_Instance instance,
    PP_ImageDataFormat format,
    const PP_Size* size,
    PP_Bool init_to_zero) {
  return PPB_ImageData_Impl::Create(instance,
                                    ppapi::PPB_ImageData_Shared::SIMPLE,
                                    format,
                                    *size,
                                    init_to_zero);
}

PP_Resource ResourceCreationImpl::CreateIMEInputEvent(
    PP_Instance instance,
    PP_InputEvent_Type type,
    PP_TimeTicks time_stamp,
    struct PP_Var text,
    uint32_t segment_number,
    const uint32_t* segment_offsets,
    int32_t target_segment,
    uint32_t selection_start,
    uint32_t selection_end) {
  return PPB_InputEvent_Shared::CreateIMEInputEvent(ppapi::OBJECT_IS_IMPL,
                                                    instance,
                                                    type,
                                                    time_stamp,
                                                    text,
                                                    segment_number,
                                                    segment_offsets,
                                                    target_segment,
                                                    selection_start,
                                                    selection_end);
}

PP_Resource ResourceCreationImpl::CreateKeyboardInputEvent_1_0(
    PP_Instance instance,
    PP_InputEvent_Type type,
    PP_TimeTicks time_stamp,
    uint32_t modifiers,
    uint32_t key_code,
    struct PP_Var character_text) {
  PP_Var code = StringVar::StringToPPVar("");
  return PPB_InputEvent_Shared::CreateKeyboardInputEvent(ppapi::OBJECT_IS_IMPL,
                                                         instance,
                                                         type,
                                                         time_stamp,
                                                         modifiers,
                                                         key_code,
                                                         character_text,
                                                         code);
}

PP_Resource ResourceCreationImpl::CreateKeyboardInputEvent_1_2(
    PP_Instance instance,
    PP_InputEvent_Type type,
    PP_TimeTicks time_stamp,
    uint32_t modifiers,
    uint32_t key_code,
    struct PP_Var character_text,
    struct PP_Var code) {
  return PPB_InputEvent_Shared::CreateKeyboardInputEvent(ppapi::OBJECT_IS_IMPL,
                                                         instance,
                                                         type,
                                                         time_stamp,
                                                         modifiers,
                                                         key_code,
                                                         character_text,
                                                         code);
}

PP_Resource ResourceCreationImpl::CreateMediaStreamVideoTrack(
    PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateMouseInputEvent(
    PP_Instance instance,
    PP_InputEvent_Type type,
    PP_TimeTicks time_stamp,
    uint32_t modifiers,
    PP_InputEvent_MouseButton mouse_button,
    const PP_Point* mouse_position,
    int32_t click_count,
    const PP_Point* mouse_movement) {
  return PPB_InputEvent_Shared::CreateMouseInputEvent(ppapi::OBJECT_IS_IMPL,
                                                      instance,
                                                      type,
                                                      time_stamp,
                                                      modifiers,
                                                      mouse_button,
                                                      mouse_position,
                                                      click_count,
                                                      mouse_movement);
}

PP_Resource ResourceCreationImpl::CreateNetAddressFromIPv4Address(
    PP_Instance instance,
    const PP_NetAddress_IPv4* ipv4_addr) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateNetAddressFromIPv6Address(
    PP_Instance instance,
    const PP_NetAddress_IPv6* ipv6_addr) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateNetAddressFromNetAddressPrivate(
    PP_Instance instance,
    const PP_NetAddress_Private& private_addr) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateNetworkMonitor(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateTCPServerSocketPrivate(
    PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateTCPSocket1_0(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateTCPSocket(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateTCPSocketPrivate(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateTouchInputEvent(PP_Instance instance,
                                                        PP_InputEvent_Type type,
                                                        PP_TimeTicks time_stamp,
                                                        uint32_t modifiers) {
  return PPB_InputEvent_Shared::CreateTouchInputEvent(
      ppapi::OBJECT_IS_IMPL, instance, type, time_stamp, modifiers);
}

PP_Resource ResourceCreationImpl::CreateUDPSocket(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateUDPSocketPrivate(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateVideoCapture(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateVideoDecoder(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateVideoDecoderDev(
    PP_Instance instance,
    PP_Resource graphics3d_id,
    PP_VideoDecoder_Profile profile) {
  base::UmaHistogramBoolean(
      "NaCl.ResourceCreationImpl.CreateVideoDecoderDev_Invoked", true);

  if (IsVideoDecoderDevAPIEnabled()) {
    return create_video_decoder_dev_impl_callback_.Run(instance, graphics3d_id,
                                                       profile);
  }

  return 0;
}

PP_Resource ResourceCreationImpl::CreateVideoEncoder(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateVpnProvider(PP_Instance instance) {
  return 0;  // Not supported in-process.
}

PP_Resource ResourceCreationImpl::CreateWheelInputEvent(
    PP_Instance instance,
    PP_TimeTicks time_stamp,
    uint32_t modifiers,
    const PP_FloatPoint* wheel_delta,
    const PP_FloatPoint* wheel_ticks,
    PP_Bool scroll_by_page) {
  return PPB_InputEvent_Shared::CreateWheelInputEvent(ppapi::OBJECT_IS_IMPL,
                                                      instance,
                                                      time_stamp,
                                                      modifiers,
                                                      wheel_delta,
                                                      wheel_ticks,
                                                      scroll_by_page);
}

PP_Resource ResourceCreationImpl::CreateX509CertificatePrivate(
    PP_Instance instance) {
  return 0;  // Not supported in-process.
}

}  // namespace content