Index: third_party/WebKit/Source/core/clipboard/ClipboardPromise.cpp |
diff --git a/third_party/WebKit/Source/core/clipboard/ClipboardPromise.cpp b/third_party/WebKit/Source/core/clipboard/ClipboardPromise.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4a0739a2425311f3dcf56049f71bac8cbe3dcbec |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/clipboard/ClipboardPromise.cpp |
@@ -0,0 +1,115 @@ |
+// Copyright 2017 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 "core/clipboard/ClipboardPromise.h" |
+ |
+#include "bindings/core/v8/ScriptPromiseResolver.h" |
+#include "core/clipboard/DataObject.h" |
+#include "core/clipboard/DataTransfer.h" |
+#include "core/clipboard/DataTransferItem.h" |
+#include "core/clipboard/DataTransferItemList.h" |
+#include "core/dom/TaskRunnerHelper.h" |
+#include "platform/CrossThreadFunctional.h" |
+#include "platform/clipboard/ClipboardMimeTypes.h" |
+#include "public/platform/Platform.h" |
+ |
+namespace blink { |
+ |
+ScriptPromise ClipboardPromise::CreateForRead(ScriptState* script_state) { |
+ ClipboardPromise* clipboard_promise = new ClipboardPromise(script_state); |
+ clipboard_promise->GetTaskRunner()->PostTask( |
+ BLINK_FROM_HERE, WTF::Bind(&ClipboardPromise::HandleRead, |
+ WrapPersistent(clipboard_promise))); |
+ return clipboard_promise->script_promise_resolver_->Promise(); |
+} |
+ |
+ScriptPromise ClipboardPromise::CreateForReadText(ScriptState* script_state) { |
+ ClipboardPromise* clipboard_promise = new ClipboardPromise(script_state); |
+ clipboard_promise->GetTaskRunner()->PostTask( |
+ BLINK_FROM_HERE, WTF::Bind(&ClipboardPromise::HandleReadText, |
+ WrapPersistent(clipboard_promise))); |
+ return clipboard_promise->script_promise_resolver_->Promise(); |
+} |
+ |
+ScriptPromise ClipboardPromise::CreateForWrite(ScriptState* script_state, |
+ DataTransfer* data) { |
+ ClipboardPromise* clipboard_promise = new ClipboardPromise(script_state); |
+ clipboard_promise->GetTaskRunner()->PostTask( |
+ BLINK_FROM_HERE, |
+ WTF::Bind(&ClipboardPromise::HandleWrite, |
+ WrapPersistent(clipboard_promise), WrapPersistent(data))); |
+ return clipboard_promise->script_promise_resolver_->Promise(); |
+} |
+ |
+ScriptPromise ClipboardPromise::CreateForWriteText(ScriptState* script_state, |
+ const String& data) { |
+ ClipboardPromise* clipboard_promise = new ClipboardPromise(script_state); |
+ clipboard_promise->GetTaskRunner()->PostTask( |
+ BLINK_FROM_HERE, WTF::Bind(&ClipboardPromise::HandleWriteText, |
+ WrapPersistent(clipboard_promise), data)); |
+ return clipboard_promise->script_promise_resolver_->Promise(); |
+} |
+ |
+ClipboardPromise::ClipboardPromise(ScriptState* script_state) |
+ : ContextLifecycleObserver(blink::ExecutionContext::From(script_state)), |
+ script_promise_resolver_(ScriptPromiseResolver::Create(script_state)), |
+ buffer_(WebClipboard::kBufferStandard) {} |
+ |
+WebTaskRunner* ClipboardPromise::GetTaskRunner() { |
+ // TODO(garykac): Replace MiscPlatformAPI with TaskType specific to clipboard. |
+ return TaskRunnerHelper::Get(TaskType::kMiscPlatformAPI, |
+ GetExecutionContext()) |
+ .Get(); |
+} |
+ |
+// TODO(garykac): This currently only handles plain text. |
+void ClipboardPromise::HandleRead() { |
+ DCHECK(script_promise_resolver_); |
+ String plain_text = Platform::Current()->Clipboard()->ReadPlainText(buffer_); |
+ |
+ const DataTransfer::DataTransferType type = |
+ DataTransfer::DataTransferType::kCopyAndPaste; |
+ const DataTransferAccessPolicy access = |
+ DataTransferAccessPolicy::kDataTransferReadable; |
+ DataObject* data = DataObject::CreateFromString(plain_text); |
+ DataTransfer* dt = DataTransfer::Create(type, access, data); |
+ script_promise_resolver_->Resolve(dt); |
+} |
+ |
+void ClipboardPromise::HandleReadText() { |
+ DCHECK(script_promise_resolver_); |
+ String text = Platform::Current()->Clipboard()->ReadPlainText(buffer_); |
+ script_promise_resolver_->Resolve(text); |
+} |
+ |
+// TODO(garykac): This currently only handles plain text. |
+void ClipboardPromise::HandleWrite(DataTransfer* data) { |
+ DCHECK(script_promise_resolver_); |
+ size_t num_items = data->items()->length(); |
+ for (unsigned long i = 0; i < num_items; i++) { |
+ DataTransferItem* item = data->items()->item(i); |
+ DataObjectItem* objectItem = item->GetDataObjectItem(); |
+ if (objectItem->Kind() == DataObjectItem::kStringKind && |
+ objectItem->GetType() == kMimeTypeTextPlain) { |
+ String text = objectItem->GetAsString(); |
+ Platform::Current()->Clipboard()->WritePlainText(text); |
+ script_promise_resolver_->Resolve(); |
+ return; |
+ } |
+ } |
+ script_promise_resolver_->Reject(); |
+} |
+ |
+void ClipboardPromise::HandleWriteText(const String& data) { |
+ DCHECK(script_promise_resolver_); |
+ Platform::Current()->Clipboard()->WritePlainText(data); |
+ script_promise_resolver_->Resolve(); |
+} |
+ |
+DEFINE_TRACE(ClipboardPromise) { |
+ visitor->Trace(script_promise_resolver_); |
+ ContextLifecycleObserver::Trace(visitor); |
+} |
+ |
+} // namespace blink |