From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 image/ImageFactory.h | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 image/ImageFactory.h

(limited to 'image/ImageFactory.h')

diff --git a/image/ImageFactory.h b/image/ImageFactory.h
new file mode 100644
index 000000000..6c2e0f504
--- /dev/null
+++ b/image/ImageFactory.h
@@ -0,0 +1,95 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_image_ImageFactory_h
+#define mozilla_image_ImageFactory_h
+
+#include "nsCOMPtr.h"
+#include "nsProxyRelease.h"
+
+class nsCString;
+class nsIRequest;
+
+namespace mozilla {
+namespace image {
+
+class Image;
+class ImageURL;
+class MultipartImage;
+class ProgressTracker;
+
+class ImageFactory
+{
+public:
+  /**
+   * Registers vars with Preferences. Should only be called on the main thread.
+   */
+  static void Initialize();
+
+  /**
+   * Creates a new image with the given properties.
+   * Can be called on or off the main thread.
+   *
+   * @param aRequest         The associated request.
+   * @param aProgressTracker A status tracker for the image to use.
+   * @param aMimeType        The mimetype of the image.
+   * @param aURI             The URI of the image.
+   * @param aIsMultiPart     Whether the image is part of a multipart request.
+   * @param aInnerWindowId   The window this image belongs to.
+   */
+  static already_AddRefed<Image> CreateImage(nsIRequest* aRequest,
+                                             ProgressTracker* aProgressTracker,
+                                             const nsCString& aMimeType,
+                                             ImageURL* aURI,
+                                             bool aIsMultiPart,
+                                             uint32_t aInnerWindowId);
+  /**
+   * Creates a new image which isn't associated with a URI or loaded through
+   * the usual image loading mechanism.
+   *
+   * @param aMimeType      The mimetype of the image.
+   */
+  static already_AddRefed<Image>
+  CreateAnonymousImage(const nsCString& aMimeType);
+
+  /**
+   * Creates a new multipart/x-mixed-replace image wrapper, and initializes it
+   * with the first part. Subsequent parts should be passed to the existing
+   * MultipartImage via MultipartImage::BeginTransitionToPart().
+   *
+   * @param aFirstPart       An image containing the first part of the multipart
+   *                         stream.
+   * @param aProgressTracker A progress tracker for the multipart image.
+   */
+  static already_AddRefed<MultipartImage>
+  CreateMultipartImage(Image* aFirstPart, ProgressTracker* aProgressTracker);
+
+private:
+  // Factory functions that create specific types of image containers.
+  static already_AddRefed<Image>
+  CreateRasterImage(nsIRequest* aRequest,
+                    ProgressTracker* aProgressTracker,
+                    const nsCString& aMimeType,
+                    ImageURL* aURI,
+                    uint32_t aImageFlags,
+                    uint32_t aInnerWindowId);
+
+  static already_AddRefed<Image>
+  CreateVectorImage(nsIRequest* aRequest,
+                    ProgressTracker* aProgressTracker,
+                    const nsCString& aMimeType,
+                    ImageURL* aURI,
+                    uint32_t aImageFlags,
+                    uint32_t aInnerWindowId);
+
+  // This is a static factory class, so disallow instantiation.
+  virtual ~ImageFactory() = 0;
+};
+
+} // namespace image
+} // namespace mozilla
+
+#endif // mozilla_image_ImageFactory_h
-- 
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