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Redefine 'will-download' design.

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This commit is contained in:
Haojian Wu 2015-09-24 15:55:45 +08:00
parent 5ef9c7e1a1
commit 0861d5d44b
11 changed files with 149 additions and 101 deletions
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62
atom/browser/api/atom_api_download_item.cc
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@ -4,9 +4,13 @@
#include "atom/browser/api/atom_api_download_item.h"
#include <map>
#include "atom/common/native_mate_converters/callback.h"
#include "atom/common/native_mate_converters/file_path_converter.h"
#include "atom/common/native_mate_converters/gurl_converter.h"
#include "atom/common/node_includes.h"
#include "base/memory/linked_ptr.h"
#include "native_mate/dictionary.h"
namespace mate {
@ -43,27 +47,36 @@ namespace {
// The wrapDownloadItem funtion which is implemented in JavaScript
using WrapDownloadItemCallback = base::Callback<void(v8::Local<v8::Value>)>;
WrapDownloadItemCallback g_wrap_download_item;
char kDownloadItemSavePathKey[] = "DownloadItemSavePathKey";
std::map<uint32, linked_ptr<v8::Global<v8::Value>>> g_download_item_objects;
} // namespace
DownloadItem::SavePathData::SavePathData(const base::FilePath& path) :
path_(path) {
}
const base::FilePath& DownloadItem::SavePathData::path() {
return path_;
}
DownloadItem::DownloadItem(content::DownloadItem* download_item) :
download_item_(download_item) {
download_item_->AddObserver(this);
}
DownloadItem::~DownloadItem() {
download_item_->RemoveObserver(this);
Destroy();
}
void DownloadItem::OnDownloadUpdated(content::DownloadItem* item) {
if (download_item_ == item) {
download_item_->IsDone() ?
Emit("done", item->GetState()) : Emit("updated");
}
}
void DownloadItem::OnDownloadDestroyed(content::DownloadItem* download) {
if (download_item_ == download) {
void DownloadItem::Destroy() {
if (download_item_) {
download_item_->RemoveObserver(this);
auto iter = g_download_item_objects.find(download_item_->GetId());
if (iter != g_download_item_objects.end())
g_download_item_objects.erase(iter);
download_item_ = nullptr;
}
}
@ -71,8 +84,12 @@ bool DownloadItem::IsDestroyed() const {
return download_item_ == nullptr;
}
void DownloadItem::Destroy() {
download_item_ = nullptr;
void DownloadItem::OnDownloadUpdated(content::DownloadItem* item) {
download_item_->IsDone() ? Emit("done", item->GetState()) : Emit("updated");
}
void DownloadItem::OnDownloadDestroyed(content::DownloadItem* download) {
Destroy();
}
int64 DownloadItem::GetReceivedBytes() {
@ -83,7 +100,7 @@ int64 DownloadItem::GetTotalBytes() {
return download_item_->GetTotalBytes();
}
const GURL& DownloadItem::GetURL() {
const GURL& DownloadItem::GetUrl() {
return download_item_->GetURL();
}
@ -103,6 +120,10 @@ std::string DownloadItem::GetContentDisposition() {
return download_item_->GetContentDisposition();
}
void DownloadItem::SetSavePath(const base::FilePath& path) {
download_item_->SetUserData(UserDataKey(), new SavePathData(path));
}
void DownloadItem::Pause() {
download_item_->Pause();
}
@ -121,13 +142,14 @@ mate::ObjectTemplateBuilder DownloadItem::GetObjectTemplateBuilder(
.SetMethod("pause", &DownloadItem::Pause)
.SetMethod("resume", &DownloadItem::Resume)
.SetMethod("cancel", &DownloadItem::Cancel)
.SetMethod("getReceiveBytes", &DownloadItem::GetReceivedBytes)
.SetMethod("getReceivedBytes", &DownloadItem::GetReceivedBytes)
.SetMethod("getTotalBytes", &DownloadItem::GetTotalBytes)
.SetMethod("getURL", &DownloadItem::GetURL)
.SetMethod("getUrl", &DownloadItem::GetUrl)
.SetMethod("getMimeType", &DownloadItem::GetMimeType)
.SetMethod("hasUserGesture", &DownloadItem::HasUserGesture)
.SetMethod("getSuggestedFilename", &DownloadItem::GetSuggestedFilename)
.SetMethod("getContentDisposition", &DownloadItem::GetContentDisposition);
.SetMethod("getContentDisposition", &DownloadItem::GetContentDisposition)
.SetMethod("setSavePath", &DownloadItem::SetSavePath);
}
void SetWrapDownloadItem(const WrapDownloadItemCallback& callback) {
@ -138,13 +160,21 @@ void ClearWrapDownloadItem() {
g_wrap_download_item.Reset();
}
// static
mate::Handle<DownloadItem> DownloadItem::Create(
v8::Isolate* isolate, content::DownloadItem* item) {
auto handle = mate::CreateHandle(isolate, new DownloadItem(item));
g_wrap_download_item.Run(handle.ToV8());
g_download_item_objects[item->GetId()] = make_linked_ptr(
new v8::Global<v8::Value>(isolate, handle.ToV8()));
return handle;
}
// static
void* DownloadItem::UserDataKey() {
return &kDownloadItemSavePathKey;
}
} // namespace api
} // namespace atom