content/common/image_messages.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Multiply-included message file, no traditional include guard.
   6 #include <vector>
   7
   8 #include "ipc/ipc_message.h"
   9 #include "ipc/ipc_message_macros.h"
  10 #include "ipc/ipc_param_traits.h"
  11 #include "third_party/skia/include/core/SkBitmap.h"
  12 #include "ui/gfx/size.h"
  13
  14 #define IPC_MESSAGE_START ImageMsgStart
  15
  16 // Messages sent from the browser to the renderer.
  17
  18 // Requests the renderer to download the specified image, decode it,
  19 // and send the image data back via ImageHostMsg_DidDownloadImage.
  20 IPC_MESSAGE_ROUTED4(ImageMsg_DownloadImage,
  21                     int /* Identifier for the request */,
  22                     GURL /* URL of the image */,
  23                     bool /* is favicon (turn off cookies) */,
  24                     uint32_t /* Maximal bitmap size in pixel. The results are
  25                                 filtered according the max size. If there are no
  26                                 bitmaps at the passed in GURL <= max size, the
  27                                 smallest bitmap is resized to the max size and
  28                                 is the only result. A max size of zero means
  29                                 that the max size is unlimited. */)
  30
  31 // Messages sent from the renderer to the browser.
  32
  33 IPC_MESSAGE_ROUTED5(ImageHostMsg_DidDownloadImage,
  34                     int /* Identifier of the request */,
  35                     int /* HTTP response status */,
  36                     GURL /* URL of the image */,
  37                     std::vector<SkBitmap> /* bitmap data */,
  38                     /* The sizes in pixel of the bitmaps before they were
  39                        resized due to the maximal bitmap size passed to
  40                        ImageMsg_DownloadImage. Each entry in the bitmaps vector
  41                        corresponds to an entry in the sizes vector. If a bitmap
  42                        was resized, there should be a single returned bitmap. */
  43                     std::vector<gfx::Size>)