android_webview/common/render_view_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 file, no traditional include guard.
   6 #include "android_webview/common/aw_hit_test_data.h"
   7 #include "content/public/common/common_param_traits.h"
   8 #include "ipc/ipc_channel_handle.h"
   9 #include "ipc/ipc_message_macros.h"
  10 #include "ipc/ipc_platform_file.h"
  11 #include "third_party/skia/include/core/SkColor.h"
  12 #include "ui/gfx/geometry/point_f.h"
  13 #include "ui/gfx/geometry/size_f.h"
  14
  15 // Singly-included section for enums and custom IPC traits.
  16 #ifndef ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
  17 #define ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
  18
  19 namespace IPC {
  20
  21 // TODO - add enums and custom IPC traits here when needed.
  22
  23 }  // namespace IPC
  24
  25 #endif  // ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
  26
  27 IPC_STRUCT_TRAITS_BEGIN(android_webview::AwHitTestData)
  28   IPC_STRUCT_TRAITS_MEMBER(type)
  29   IPC_STRUCT_TRAITS_MEMBER(extra_data_for_type)
  30   IPC_STRUCT_TRAITS_MEMBER(href)
  31   IPC_STRUCT_TRAITS_MEMBER(anchor_text)
  32   IPC_STRUCT_TRAITS_MEMBER(img_src)
  33 IPC_STRUCT_TRAITS_END()
  34
  35 #define IPC_MESSAGE_START AndroidWebViewMsgStart
  36
  37 //-----------------------------------------------------------------------------
  38 // RenderView messages
  39 // These are messages sent from the browser to the renderer process.
  40
  41 // Tells the renderer to drop all WebCore memory cache.
  42 IPC_MESSAGE_CONTROL0(AwViewMsg_ClearCache)
  43
  44 // Request for the renderer to determine if the document contains any image
  45 // elements.  The id should be passed in the response message so the response
  46 // can be associated with the request.
  47 IPC_MESSAGE_ROUTED1(AwViewMsg_DocumentHasImages,
  48                     int /* id */)
  49
  50 // Do hit test at the given webview coordinate. "Webview" coordinates are
  51 // physical pixel values with the 0,0 at the top left of the current displayed
  52 // view (ie 0,0 is not the top left of the page if the page is scrolled).
  53 IPC_MESSAGE_ROUTED2(AwViewMsg_DoHitTest,
  54                     gfx::PointF /* touch_center */,
  55                     gfx::SizeF /* touch_area */)
  56
  57 // Sets the zoom factor for text only. Used in layout modes other than
  58 // Text Autosizing.
  59 IPC_MESSAGE_ROUTED1(AwViewMsg_SetTextZoomFactor,
  60                     float /* zoom_factor */)
  61
  62 // Resets WebKit WebView scrolling and scale state. We need to send this
  63 // message whenever we want to guarantee that page's scale will be
  64 // recalculated by WebKit.
  65 IPC_MESSAGE_ROUTED0(AwViewMsg_ResetScrollAndScaleState)
  66
  67 // Sets the initial page scale. This overrides initial scale set by
  68 // the meta viewport tag.
  69 IPC_MESSAGE_ROUTED1(AwViewMsg_SetInitialPageScale,
  70                     double /* page_scale_factor */)
  71
  72 // Sets the base background color for this view.
  73 IPC_MESSAGE_ROUTED1(AwViewMsg_SetBackgroundColor,
  74                     SkColor)
  75
  76 IPC_MESSAGE_CONTROL1(AwViewMsg_SetJsOnlineProperty,
  77                      bool /* network_up */)
  78
  79 //-----------------------------------------------------------------------------
  80 // RenderView messages
  81 // These are messages sent from the renderer to the browser process.
  82
  83 // Response to AwViewMsg_DocumentHasImages request.
  84 IPC_MESSAGE_ROUTED2(AwViewHostMsg_DocumentHasImagesResponse,
  85                     int, /* id */
  86                     bool /* has_images */)
  87
  88 // Response to AwViewMsg_DoHitTest.
  89 IPC_MESSAGE_ROUTED1(AwViewHostMsg_UpdateHitTestData,
  90                     android_webview::AwHitTestData)
  91
  92 // Sent whenever the page scale factor (as seen by RenderView) is changed.
  93 IPC_MESSAGE_ROUTED1(AwViewHostMsg_PageScaleFactorChanged,
  94                     float /* page_scale_factor */)
  95
  96 // Sent whenever the contents size (as seen by RenderView) is changed.
  97 IPC_MESSAGE_ROUTED1(AwViewHostMsg_OnContentsSizeChanged,
  98                     gfx::Size /* contents_size */)
  99
 100 // Sent immediately before a top level navigation is initiated within Blink.
 101 // There are some exlusions, the most important ones are it is not sent
 102 // when creating a popup window, and not sent for application initiated
 103 // navigations. See AwContentRendererClient::HandleNavigation for all
 104 // cornercases. This is sent before updating the NavigationController state
 105 // or creating a URLRequest for the main frame resource.
 106 IPC_SYNC_MESSAGE_CONTROL2_1(AwViewHostMsg_ShouldOverrideUrlLoading,
 107                             int /* render_frame_id id */,
 108                             base::string16 /* in - url */,
 109                             bool /* out - result */)
 110
 111 // Sent when a subframe is created.
 112 IPC_MESSAGE_CONTROL2(AwViewHostMsg_SubFrameCreated,
 113                      int /* parent_render_frame_id */,
 114                      int /* child_render_frame_id */)