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feat: promisify webContents.printToPDF() (#16795)

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This commit is contained in:
Milan Burda 2019-02-11 20:20:04 +01:00 • committed by John Kleinschmidt
parent 3effa6f20c
commit 36ce3e9546
12 changed files with 161 additions and 57 deletions
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18
atom/browser/printing/print_preview_message_handler.h
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@ -7,6 +7,7 @@
#include <map>
#include "atom/common/promise_util.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/weak_ptr.h"
#include "components/services/pdf_compositor/public/interfaces/pdf_compositor.mojom.h"
@ -28,13 +29,10 @@ class PrintPreviewMessageHandler
: public content::WebContentsObserver,
public content::WebContentsUserData<PrintPreviewMessageHandler> {
public:
using PrintToPDFCallback =
base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
~PrintPreviewMessageHandler() override;
void PrintToPDF(const base::DictionaryValue& options,
const PrintToPDFCallback& callback);
scoped_refptr<atom::util::Promise> promise);
protected:
// content::WebContentsObserver implementation.
@ -57,11 +55,15 @@ class PrintPreviewMessageHandler
const PrintHostMsg_PreviewIds& ids);
void OnPrintPreviewCancelled(int document_cookie,
const PrintHostMsg_PreviewIds& ids);
void RunPrintToPDFCallback(int request_id,
scoped_refptr<base::RefCountedMemory> data_bytes);
using PrintToPDFCallbackMap = std::map<int, PrintToPDFCallback>;
PrintToPDFCallbackMap print_to_pdf_callback_map_;
scoped_refptr<atom::util::Promise> GetPromise(int request_id);
void ResolvePromise(int request_id,
scoped_refptr<base::RefCountedMemory> data_bytes);
void RejectPromise(int request_id);
using PromiseMap = std::map<int, scoped_refptr<atom::util::Promise>>;
PromiseMap promise_map_;
base::WeakPtrFactory<PrintPreviewMessageHandler> weak_ptr_factory_;