clipboard_reader.cc | Explore in Territory

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/clipboard/clipboard_reader.h"

#include "base/task/single_thread_task_runner.h"
#include "third_party/blink/public/mojom/clipboard/clipboard.mojom-blink.h"
#include "third_party/blink/renderer/core/clipboard/clipboard_mime_types.h"
#include "third_party/blink/renderer/core/clipboard/system_clipboard.h"
#include "third_party/blink/renderer/core/dom/document_fragment.h"
#include "third_party/blink/renderer/core/editing/serializers/serialization.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/core/imagebitmap/image_bitmap.h"
#include "third_party/blink/renderer/modules/clipboard/clipboard.h"
#include "third_party/blink/renderer/modules/clipboard/clipboard_promise.h"
#include "third_party/blink/renderer/platform/heap/cross_thread_handle.h"
#include "third_party/blink/renderer/platform/image-encoders/image_encoder.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
#include "third_party/blink/renderer/platform/scheduler/public/worker_pool.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_copier_base.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/text/string_utf8_adaptor.h"
#include "third_party/blink/renderer/platform/wtf/wtf.h"

namespace blink {

namespace {  // anonymous namespace for ClipboardReader's derived classes.

// Reads a PNG from the System Clipboard as a Blob with image/png content.
// Since the data returned from ReadPng() is already in the desired format, no
// encoding is required and the blob is created directly from Read().
class ClipboardPngReader final : public ClipboardReader { … };

// Reads an image from the System Clipboard as a Blob with text/plain content.
class ClipboardTextReader final : public ClipboardReader { … };

// Reads HTML from the System Clipboard as a Blob with text/html content.
class ClipboardHtmlReader final : public ClipboardReader { … };

// Reads SVG from the System Clipboard as a Blob with image/svg+xml content.
class ClipboardSvgReader final : public ClipboardReader { … };

// Reads unsanitized custom formats from the System Clipboard as a Blob with
// custom MIME type content.
class ClipboardCustomFormatReader final : public ClipboardReader { … };

}  // anonymous namespace

// ClipboardReader functions.

// static
ClipboardReader* ClipboardReader::Create(SystemClipboard* system_clipboard,
                                         const String& mime_type,
                                         ClipboardPromise* promise,
                                         bool sanitize_html) { … }

ClipboardReader::ClipboardReader(SystemClipboard* system_clipboard,
                                 ClipboardPromise* promise)
    : … { … }

ClipboardReader::~ClipboardReader() = default;

void ClipboardReader::Trace(Visitor* visitor) const { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/clipboard/clipboard_reader.cc
