/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "LayersLogging.h"

#include <stdint.h>                     // for uint8_t

#include "ImageTypes.h"                 // for ImageFormat

#include "mozilla/gfx/Matrix.h"         // for Matrix4x4, Matrix

#include "mozilla/gfx/Point.h"          // for IntSize

#include "nsDebug.h"                    // for NS_ERROR

#include "nsPoint.h"                    // for nsPoint

#include "nsRect.h"                     // for nsRect

#include "nsRectAbsolute.h"             // for nsRectAbsolute

#include "base/basictypes.h"

using namespace mozilla::gfx;

namespace mozilla {

namespace layers {

void

AppendToString(std::stringstream& aStream, const void* p,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString("%p", p).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, FrameMetrics::ViewID n,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << n;

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const Color& c,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "rgba(%d, %d, %d, %f)",

    uint8_t(c.r*255.f), uint8_t(c.g*255.f), uint8_t(c.b*255.f), c.a).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const nsPoint& p,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString("(x=%d, y=%d)", p.x, p.y).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const nsRect& r,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "(x=%d, y=%d, w=%d, h=%d)",

    r.X(), r.Y(), r.Width(), r.Height()).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const nsRectAbsolute& r,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "(l=%d, t=%d, r=%d, b=%d)",

    r.Left(), r.Top(), r.Right(), r.Bottom()).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const wr::ColorF& c,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "rgba(%d, %d, %d, %f)",

    uint8_t(c.r*255.f), uint8_t(c.g*255.f), uint8_t(c.b*255.f), c.a).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const wr::LayoutRect& r,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "(x=%f, y=%f, w=%f, h=%f)",

    r.origin.x, r.origin.y, r.size.width, r.size.height).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const wr::LayoutSize& s,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "(w=%f, h=%f)",

    s.width, s.height).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const nsSize& sz,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "(w=%d, h=%d)",

    sz.width, sz.height).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const wr::StickyOffsetBounds& s,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString("(min=%f max=%f)",

      s.min, s.max).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const nsRegion& r,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << "< ";

  for (auto iter = r.RectIter(); !iter.Done(); iter.Next()) {

    AppendToString(aStream, iter.Get());

    aStream << "; ";

  }

  aStream << ">";

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const nsIntRegion& r,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << "< ";

  for (auto iter = r.RectIter(); !iter.Done(); iter.Next()) {

    AppendToString(aStream, iter.Get());

    aStream << "; ";

  }

  aStream << ">";

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const EventRegions& e,

               const char* pfx, const char* sfx)

{

  aStream << pfx << "{";

  if (!e.mHitRegion.IsEmpty()) {

    AppendToString(aStream, e.mHitRegion, " hitregion=", "");

  }

  if (!e.mDispatchToContentHitRegion.IsEmpty()) {

    AppendToString(aStream, e.mDispatchToContentHitRegion, " dispatchtocontentregion=", "");

  }

  if (!e.mNoActionRegion.IsEmpty()) {

    AppendToString(aStream, e.mNoActionRegion, " NoActionRegion=","");

  }

  if (!e.mHorizontalPanRegion.IsEmpty()) {

    AppendToString(aStream, e.mHorizontalPanRegion, " HorizontalPanRegion=", "");

  }

  if (!e.mVerticalPanRegion.IsEmpty()) {

    AppendToString(aStream, e.mVerticalPanRegion, " VerticalPanRegion=", "");

  }

  aStream << "}" << sfx;

}

void

AppendToString(std::stringstream& aStream, OverscrollBehavior aBehavior,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  switch (aBehavior) {

  case OverscrollBehavior::Auto: {

    aStream << "auto";

    break;

  }

  case OverscrollBehavior::Contain: {

    aStream << "contain";

    break;

  }

  case OverscrollBehavior::None: {

    aStream << "none";

    break;

  }

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const ScrollMetadata& m,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  AppendToString(aStream, m.GetMetrics(), "{ [metrics=");

  AppendToString(aStream, m.GetBackgroundColor(), "] [color=");

  if (m.GetScrollParentId() != FrameMetrics::NULL_SCROLL_ID) {

    AppendToString(aStream, m.GetScrollParentId(), "] [scrollParent=");

  }

  if (m.HasScrollClip()) {

    AppendToString(aStream, m.ScrollClip().GetClipRect(), "] [clip=");

  }

  if (m.HasMaskLayer()) {

    AppendToString(aStream, m.ScrollClip().GetMaskLayerIndex().value(), "] [mask=");

  }

  OverscrollBehavior overscrollX = m.GetOverscrollBehavior().mBehaviorX;

  OverscrollBehavior overscrollY = m.GetOverscrollBehavior().mBehaviorY;

  if (overscrollX == overscrollY && overscrollX != OverscrollBehavior::Auto) {

    AppendToString(aStream, overscrollX, "] [overscroll=");

  } else {

    if (overscrollX != OverscrollBehavior::Auto) {

      AppendToString(aStream, overscrollX, "] [overscroll-x=");

    }

    if (overscrollY != OverscrollBehavior::Auto) {

      AppendToString(aStream, overscrollY, "] [overscroll-y=");

    }

  }

  aStream << "] }" << sfx;

}

void

AppendToString(std::stringstream& aStream, const FrameMetrics& m,

               const char* pfx, const char* sfx, bool detailed)

{

  aStream << pfx;

  AppendToString(aStream, m.GetCompositionBounds(), "{ [cb=");

  AppendToString(aStream, m.GetScrollableRect(), "] [sr=");

  AppendToString(aStream, m.GetScrollOffset(), "] [s=");

  if (m.GetDoSmoothScroll()) {

    AppendToString(aStream, m.GetSmoothScrollOffset(), "] [ss=");

  }

  AppendToString(aStream, m.GetDisplayPort(), "] [dp=");

  AppendToString(aStream, m.GetCriticalDisplayPort(), "] [cdp=");

  if (!detailed) {

    AppendToString(aStream, m.GetScrollId(), "] [scrollId=");

    if (m.IsRootContent()) {

      aStream << "] [rcd";

    }

    AppendToString(aStream, m.GetZoom(), "] [z=", "] }");

  } else {

    AppendToString(aStream, m.GetDisplayPortMargins(), " [dpm=");

    aStream << nsPrintfCString("] um=%d", m.GetUseDisplayPortMargins()).get();

    AppendToString(aStream, m.GetRootCompositionSize(), "] [rcs=");

    AppendToString(aStream, m.GetViewport(), "] [v=");

    aStream << nsPrintfCString("] [z=(ld=%.3f r=%.3f",

            m.GetDevPixelsPerCSSPixel().scale,

            m.GetPresShellResolution()).get();

    AppendToString(aStream, m.GetCumulativeResolution(), " cr=");

    AppendToString(aStream, m.GetZoom(), " z=");

    AppendToString(aStream, m.GetExtraResolution(), " er=");

    aStream << nsPrintfCString(")] [u=(%d %d %" PRIu32 ")",

            m.GetScrollUpdateType(), m.GetDoSmoothScroll(),

            m.GetScrollGeneration()).get();

    aStream << nsPrintfCString("] [i=(%" PRIu32 " %" PRIu64 " %d)] }",

            m.GetPresShellId(), m.GetScrollId(), m.IsRootContent()).get();

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const ScrollableLayerGuid& s,

               const char* pfx, const char* sfx)

{

  aStream << pfx

          << nsPrintfCString("{ l=0x%" PRIx64 ", p=%u, v=%" PRIu64 " }", uint64_t(s.mLayersId), s.mPresShellId, s.mScrollId).get()

          << sfx;

}

void

AppendToString(std::stringstream& aStream, const ZoomConstraints& z,

               const char* pfx, const char* sfx)

{

  aStream << pfx

          << nsPrintfCString("{ z=%d dt=%d min=%f max=%f }", z.mAllowZoom, z.mAllowDoubleTapZoom, z.mMinZoom.scale, z.mMaxZoom.scale).get()

          << sfx;

}

void

AppendToString(std::stringstream& aStream, const Matrix& m,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  if (m.IsIdentity()) {

    aStream << "[ I ]";

  } else {

    aStream << nsPrintfCString(

      "[ %g %g; %g %g; %g %g; ]",

      m._11, m._12, m._21, m._22, m._31, m._32).get();

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const Matrix5x4& m,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  aStream << nsPrintfCString(

    "[ %g %g %g %g; %g %g %g %g; %g %g %g %g; %g %g %g %g; %g %g %g %g]",

    m._11, m._12, m._13, m._14,

    m._21, m._22, m._23, m._24,

    m._31, m._32, m._33, m._34,

    m._41, m._42, m._43, m._44,

    m._51, m._52, m._53, m._54).get();

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, const SamplingFilter filter,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  switch (filter) {

    case SamplingFilter::GOOD: aStream << "SamplingFilter::GOOD"; break;

    case SamplingFilter::LINEAR: aStream << "SamplingFilter::LINEAR"; break;

    case SamplingFilter::POINT: aStream << "SamplingFilter::POINT"; break;

    default:

      NS_ERROR("unknown SamplingFilter type");

      aStream << "???";

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, TextureFlags flags,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  if (flags == TextureFlags::NO_FLAGS) {

    aStream << "NoFlags";

  } else {

#define AppendFlag(test) \

{ \

  if (!!(flags & test)) { \

    if (previous) { \

      aStream << "|"; \

    } \

    aStream << #test; \

    previous = true; \

  } \

}

    bool previous = false;

    AppendFlag(TextureFlags::USE_NEAREST_FILTER);

    AppendFlag(TextureFlags::ORIGIN_BOTTOM_LEFT);

    AppendFlag(TextureFlags::DISALLOW_BIGIMAGE);

#undef AppendFlag

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, mozilla::gfx::SurfaceFormat format,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  switch (format) {

  case SurfaceFormat::B8G8R8A8:  aStream << "SurfaceFormat::B8G8R8A8"; break;

  case SurfaceFormat::B8G8R8X8:  aStream << "SurfaceFormat::B8G8R8X8"; break;

  case SurfaceFormat::R8G8B8A8:  aStream << "SurfaceFormat::R8G8B8A8"; break;

  case SurfaceFormat::R8G8B8X8:  aStream << "SurfaceFormat::R8G8B8X8"; break;

  case SurfaceFormat::R5G6B5_UINT16:

                                 aStream << "SurfaceFormat::R5G6B5_UINT16"; break;

  case SurfaceFormat::A8:        aStream << "SurfaceFormat::A8"; break;

  case SurfaceFormat::YUV:       aStream << "SurfaceFormat::YUV"; break;

  case SurfaceFormat::NV12:      aStream << "SurfaceFormat::NV12"; break;

  case SurfaceFormat::YUV422:    aStream << "SurfaceFormat::YUV422"; break;

  case SurfaceFormat::UNKNOWN:   aStream << "SurfaceFormat::UNKNOWN"; break;

  default:

    NS_ERROR("unknown surface format");

    aStream << "???";

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, gfx::SurfaceType aType,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  switch(aType) {

  case SurfaceType::DATA:

    aStream << "SurfaceType::DATA"; break;

  case SurfaceType::D2D1_BITMAP:

    aStream << "SurfaceType::D2D1_BITMAP"; break;

  case SurfaceType::D2D1_DRAWTARGET:

    aStream << "SurfaceType::D2D1_DRAWTARGET"; break;

  case SurfaceType::CAIRO:

    aStream << "SurfaceType::CAIRO"; break;

  case SurfaceType::CAIRO_IMAGE:

    aStream << "SurfaceType::CAIRO_IMAGE"; break;

  case SurfaceType::COREGRAPHICS_IMAGE:

    aStream << "SurfaceType::COREGRAPHICS_IMAGE"; break;

  case SurfaceType::COREGRAPHICS_CGCONTEXT:

    aStream << "SurfaceType::COREGRAPHICS_CGCONTEXT"; break;

  case SurfaceType::SKIA:

    aStream << "SurfaceType::SKIA"; break;

  case SurfaceType::DUAL_DT:

    aStream << "SurfaceType::DUAL_DT"; break;

  case SurfaceType::D2D1_1_IMAGE:

    aStream << "SurfaceType::D2D1_1_IMAGE"; break;

  case SurfaceType::RECORDING:

    aStream << "SurfaceType::RECORDING"; break;

  case SurfaceType::TILED:

    aStream << "SurfaceType::TILED"; break;

  case SurfaceType::DATA_SHARED:

    aStream << "SurfaceType::DATA_SHARED"; break;

  default:

    NS_ERROR("unknown surface type");

    aStream << "???";

  }

  aStream << sfx;

}

void

AppendToString(std::stringstream& aStream, ImageFormat format,

               const char* pfx, const char* sfx)

{

  aStream << pfx;

  switch (format) {

  case ImageFormat::PLANAR_YCBCR:

    aStream << "ImageFormat::PLANAR_YCBCR"; break;

  case ImageFormat::SHARED_RGB:

    aStream << "ImageFormat::SHARED_RGB"; break;

  case ImageFormat::CAIRO_SURFACE:

    aStream << "ImageFormat::CAIRO_SURFACE"; break;

  case ImageFormat::MAC_IOSURFACE:

    aStream << "ImageFormat::MAC_IOSURFACE"; break;

  case ImageFormat::SURFACE_TEXTURE:

    aStream << "ImageFormat::SURFACE_TEXTURE"; break;

  case ImageFormat::D3D9_RGB32_TEXTURE:

    aStream << "ImageFormat::D3D9_RBG32_TEXTURE"; break;

  case ImageFormat::OVERLAY_IMAGE:

    aStream << "ImageFormat::OVERLAY_IMAGE"; break;

  case ImageFormat::D3D11_SHARE_HANDLE_TEXTURE:

    aStream << "ImageFormat::D3D11_SHARE_HANDLE_TEXTURE"; break;

  default:

    NS_ERROR("unknown image format");

    aStream << "???";

  }

  aStream << sfx;

}

} // namespace layers

} // namespace mozilla

void

print_stderr(std::stringstream& aStr)

{

#if defined(ANDROID)

  // On Android logcat output is truncated to 1024 chars per line, and

  // we usually use std::stringstream to build up giant multi-line gobs

  // of output. So to avoid the truncation we find the newlines and

  // print the lines individually.

  std::string line;

  while (std::getline(aStr, line)) {

    printf_stderr("%s\n", line.c_str());

  }

#else

  printf_stderr("%s", aStr.str().c_str());

#endif

}

void

fprint_stderr(FILE* aFile, std::stringstream& aStr)

{

  if (aFile == stderr) {

    print_stderr(aStr);

  } else {

    fprintf_stderr(aFile, "%s", aStr.str().c_str());

  }

}