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// Copyright (c) 2012 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/renderer/extensions/set_icon_natives.h"
#include "chrome/common/render_messages.h"
#include "chrome/renderer/extensions/extension_request_sender.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
namespace extensions {
SetIconNatives::SetIconNatives(
ExtensionDispatcher* extension_dispatcher,
ExtensionRequestSender* request_sender)
: ChromeV8Extension(extension_dispatcher),
request_sender_(request_sender) {
RouteFunction("SetIconCommon",
base::Bind(&SetIconNatives::SetIconCommon,
base::Unretained(this)));
}
bool SetIconNatives::ConvertImageDataToBitmapValue(
const v8::Arguments& args, Value** bitmap_value) {
v8::Local<v8::Object> extension_args = args[1]->ToObject();
v8::Local<v8::Object> details =
extension_args->Get(v8::String::New("0"))->ToObject();
v8::Local<v8::Object> image_data =
details->Get(v8::String::New("imageData"))->ToObject();
v8::Local<v8::Object> data =
image_data->Get(v8::String::New("data"))->ToObject();
int width = image_data->Get(v8::String::New("width"))->Int32Value();
int height = image_data->Get(v8::String::New("height"))->Int32Value();
int data_length = data->Get(v8::String::New("length"))->Int32Value();
if (data_length != 4 * width * height) {
NOTREACHED() << "Invalid argument to setIcon. Expecting ImageData.";
return false;
}
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
bitmap.allocPixels();
bitmap.eraseARGB(0, 0, 0, 0);
uint32_t* pixels = bitmap.getAddr32(0, 0);
for (int t = 0; t < width*height; t++) {
// |data| is RGBA, pixels is ARGB.
pixels[t] = SkPreMultiplyColor(
((data->Get(v8::Integer::New(4*t + 3))->Int32Value() & 0xFF) << 24) |
((data->Get(v8::Integer::New(4*t + 0))->Int32Value() & 0xFF) << 16) |
((data->Get(v8::Integer::New(4*t + 1))->Int32Value() & 0xFF) << 8) |
((data->Get(v8::Integer::New(4*t + 2))->Int32Value() & 0xFF) << 0));
}
// Construct the Value object.
IPC::Message bitmap_pickle;
IPC::WriteParam(&bitmap_pickle, bitmap);
*bitmap_value = base::BinaryValue::CreateWithCopiedBuffer(
static_cast<const char*>(bitmap_pickle.data()), bitmap_pickle.size());
return true;
}
v8::Handle<v8::Value> SetIconNatives::SetIconCommon(
const v8::Arguments& args) {
Value* bitmap_value = NULL;
if (!ConvertImageDataToBitmapValue(args, &bitmap_value))
return v8::Undefined();
v8::Local<v8::Object> extension_args = args[1]->ToObject();
v8::Local<v8::Object> details =
extension_args->Get(v8::String::New("0"))->ToObject();
DictionaryValue* dict = new DictionaryValue();
dict->Set("imageData", bitmap_value);
if (details->Has(v8::String::New("tabId"))) {
dict->SetInteger("tabId",
details->Get(v8::String::New("tabId"))->Int32Value());
}
ListValue list_value;
list_value.Append(dict);
std::string name = *v8::String::AsciiValue(args[0]);
int request_id = args[2]->Int32Value();
bool has_callback = args[3]->BooleanValue();
bool for_io_thread = args[4]->BooleanValue();
request_sender_->StartRequest(name,
request_id,
has_callback,
for_io_thread,
&list_value);
return v8::Undefined();
}
} // namespace extensions
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