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// Copyright (c) 2006-2008 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.
#include "chrome/common/ipc_message_utils.h"
#include "base/gfx/rect.h"
#include "googleurl/src/gurl.h"
#ifndef EXCLUDE_SKIA_DEPENDENCIES
#include "third_party/skia/include/core/SkBitmap.h"
#endif
#include "webkit/glue/dom_operations.h"
namespace IPC {
#ifndef EXCLUDE_SKIA_DEPENDENCIES
namespace {
struct SkBitmap_Data {
// The configuration for the bitmap (bits per pixel, etc).
SkBitmap::Config fConfig;
// The width of the bitmap in pixels.
uint32 fWidth;
// The height of the bitmap in pixels.
uint32 fHeight;
// The number of bytes between subsequent rows of the bitmap.
uint32 fRowBytes;
void InitSkBitmapDataForTransfer(const SkBitmap& bitmap) {
fConfig = bitmap.config();
fWidth = bitmap.width();
fHeight = bitmap.height();
fRowBytes = bitmap.rowBytes();
}
// Returns whether |bitmap| successfully initialized.
bool InitSkBitmapFromData(SkBitmap* bitmap, const char* pixels,
size_t total_pixels) const {
if (total_pixels) {
bitmap->setConfig(fConfig, fWidth, fHeight, fRowBytes);
if (!bitmap->allocPixels())
return false;
if (total_pixels > bitmap->getSize())
return false;
memcpy(bitmap->getPixels(), pixels, total_pixels);
}
return true;
}
};
} // namespace
void ParamTraits<SkBitmap>::Write(Message* m, const SkBitmap& p) {
size_t fixed_size = sizeof(SkBitmap_Data);
SkBitmap_Data bmp_data;
bmp_data.InitSkBitmapDataForTransfer(p);
m->WriteData(reinterpret_cast<const char*>(&bmp_data),
static_cast<int>(fixed_size));
size_t pixel_size = p.getSize();
SkAutoLockPixels p_lock(p);
m->WriteData(reinterpret_cast<const char*>(p.getPixels()),
static_cast<int>(pixel_size));
}
bool ParamTraits<SkBitmap>::Read(const Message* m, void** iter, SkBitmap* r) {
const char* fixed_data;
int fixed_data_size = 0;
if (!m->ReadData(iter, &fixed_data, &fixed_data_size) ||
(fixed_data_size <= 0)) {
NOTREACHED();
return false;
}
if (fixed_data_size != sizeof(SkBitmap_Data))
return false; // Message is malformed.
const char* variable_data;
int variable_data_size = 0;
if (!m->ReadData(iter, &variable_data, &variable_data_size) ||
(variable_data_size < 0)) {
NOTREACHED();
return false;
}
const SkBitmap_Data* bmp_data =
reinterpret_cast<const SkBitmap_Data*>(fixed_data);
return bmp_data->InitSkBitmapFromData(r, variable_data, variable_data_size);
}
void ParamTraits<SkBitmap>::Log(const SkBitmap& p, std::wstring* l) {
l->append(StringPrintf(L"<SkBitmap>"));
}
#endif // EXCLUDE_SKIA_DEPENDENCIES
void ParamTraits<GURL>::Write(Message* m, const GURL& p) {
m->WriteString(p.possibly_invalid_spec());
// TODO(brettw) bug 684583: Add encoding for query params.
}
bool ParamTraits<GURL>::Read(const Message* m, void** iter, GURL* p) {
std::string s;
if (!m->ReadString(iter, &s)) {
*p = GURL();
return false;
}
*p = GURL(s);
return true;
}
void ParamTraits<GURL>::Log(const GURL& p, std::wstring* l) {
l->append(UTF8ToWide(p.spec()));
}
void ParamTraits<gfx::Point>::Write(Message* m, const gfx::Point& p) {
m->WriteInt(p.x());
m->WriteInt(p.y());
}
bool ParamTraits<gfx::Point>::Read(const Message* m, void** iter,
gfx::Point* r) {
int x, y;
if (!m->ReadInt(iter, &x) ||
!m->ReadInt(iter, &y))
return false;
r->set_x(x);
r->set_y(y);
return true;
}
void ParamTraits<gfx::Point>::Log(const gfx::Point& p, std::wstring* l) {
l->append(StringPrintf(L"(%d, %d)", p.x(), p.y()));
}
void ParamTraits<gfx::Rect>::Write(Message* m, const gfx::Rect& p) {
m->WriteInt(p.x());
m->WriteInt(p.y());
m->WriteInt(p.width());
m->WriteInt(p.height());
}
bool ParamTraits<gfx::Rect>::Read(const Message* m, void** iter, gfx::Rect* r) {
int x, y, w, h;
if (!m->ReadInt(iter, &x) ||
!m->ReadInt(iter, &y) ||
!m->ReadInt(iter, &w) ||
!m->ReadInt(iter, &h))
return false;
r->set_x(x);
r->set_y(y);
r->set_width(w);
r->set_height(h);
return true;
}
void ParamTraits<gfx::Rect>::Log(const gfx::Rect& p, std::wstring* l) {
l->append(StringPrintf(L"(%d, %d, %d, %d)", p.x(), p.y(),
p.width(), p.height()));
}
void ParamTraits<gfx::Size>::Write(Message* m, const gfx::Size& p) {
m->WriteInt(p.width());
m->WriteInt(p.height());
}
bool ParamTraits<gfx::Size>::Read(const Message* m, void** iter, gfx::Size* r) {
int w, h;
if (!m->ReadInt(iter, &w) ||
!m->ReadInt(iter, &h))
return false;
r->set_width(w);
r->set_height(h);
return true;
}
void ParamTraits<gfx::Size>::Log(const gfx::Size& p, std::wstring* l) {
l->append(StringPrintf(L"(%d, %d)", p.width(), p.height()));
}
void ParamTraits<webkit_glue::WebApplicationInfo>::Write(
Message* m, const webkit_glue::WebApplicationInfo& p) {
WriteParam(m, p.title);
WriteParam(m, p.description);
WriteParam(m, p.app_url);
WriteParam(m, p.icons.size());
for (size_t i = 0; i < p.icons.size(); ++i) {
WriteParam(m, p.icons[i].url);
WriteParam(m, p.icons[i].width);
WriteParam(m, p.icons[i].height);
}
}
bool ParamTraits<webkit_glue::WebApplicationInfo>::Read(
const Message* m, void** iter, webkit_glue::WebApplicationInfo* r) {
size_t icon_count;
bool result =
ReadParam(m, iter, &r->title) &&
ReadParam(m, iter, &r->description) &&
ReadParam(m, iter, &r->app_url) &&
ReadParam(m, iter, &icon_count);
if (!result)
return false;
for (size_t i = 0; i < icon_count && result; ++i) {
param_type::IconInfo icon_info;
result =
ReadParam(m, iter, &icon_info.url) &&
ReadParam(m, iter, &icon_info.width) &&
ReadParam(m, iter, &icon_info.height);
r->icons.push_back(icon_info);
}
return result;
}
void ParamTraits<webkit_glue::WebApplicationInfo>::Log(
const webkit_glue::WebApplicationInfo& p, std::wstring* l) {
l->append(L"<WebApplicationInfo>");
}
} // namespace IPC
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