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
  13 // Singly-included section for enums and custom IPC traits.
  14 #ifndef ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
  15 #define ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
  16
  17 namespace IPC {
  18
  19 // TODO - add enums and custom IPC traits here when needed.
  20
  21 }  // namespace IPC
  22
  23 #endif  // ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
  24
  25 IPC_STRUCT_TRAITS_BEGIN(android_webview::AwHitTestData)
  26   IPC_STRUCT_TRAITS_MEMBER(type)
  27   IPC_STRUCT_TRAITS_MEMBER(extra_data_for_type)
  28   IPC_STRUCT_TRAITS_MEMBER(href)
  29   IPC_STRUCT_TRAITS_MEMBER(anchor_text)
  30   IPC_STRUCT_TRAITS_MEMBER(img_src)
  31 IPC_STRUCT_TRAITS_END()
  32
  33 #define IPC_MESSAGE_START AndroidWebViewMsgStart
  34
  35 //-----------------------------------------------------------------------------
  36 // RenderView messages
  37 // These are messages sent from the browser to the renderer process.
  38
  39 // Tells the renderer to drop all WebCore memory cache.
  40 IPC_MESSAGE_CONTROL0(AwViewMsg_ClearCache)
  41
  42 // Request for the renderer to determine if the document contains any image
  43 // elements.  The id should be passed in the response message so the response
  44 // can be associated with the request.
  45 IPC_MESSAGE_ROUTED1(AwViewMsg_DocumentHasImages,
  46                     int /* id */)
  47
  48 // Do hit test at the given webview coordinate. "Webview" coordinates are
  49 // physical pixel values with the 0,0 at the top left of the current displayed
  50 // view (ie 0,0 is not the top left of the page if the page is scrolled).
  51 IPC_MESSAGE_ROUTED2(AwViewMsg_DoHitTest,
  52                     int /* view_x */,
  53                     int /* view_y */)
  54
  55 // Sets the zoom factor for text only. Used in layout modes other than
  56 // Text Autosizing.
  57 IPC_MESSAGE_ROUTED1(AwViewMsg_SetTextZoomFactor,
  58                     float /* zoom_factor */)
  59
  60 // Resets WebKit WebView scrolling and scale state. We need to send this
  61 // message whenever we want to guarantee that page's scale will be
  62 // recalculated by WebKit.
  63 IPC_MESSAGE_ROUTED0(AwViewMsg_ResetScrollAndScaleState)
  64
  65 // Sets the initial page scale. This overrides initial scale set by
  66 // the meta viewport tag.
  67 IPC_MESSAGE_ROUTED1(AwViewMsg_SetInitialPageScale,
  68                     double /* page_scale_factor */)
  69
  70 // Makes the blink::WebView use the given size for layout regardless of what
  71 // the size of the RenderWidget or viewport settings are.
  72 IPC_MESSAGE_ROUTED1(AwViewMsg_SetFixedLayoutSize,
  73                     gfx::Size /* size */)
  74
  75 // Sets the base background color for this view.
  76 IPC_MESSAGE_ROUTED1(AwViewMsg_SetBackgroundColor,
  77                     SkColor)
  78
  79 IPC_MESSAGE_CONTROL1(AwViewMsg_SetJsOnlineProperty,
  80                      bool /* network_up */)
  81
  82 //-----------------------------------------------------------------------------
  83 // RenderView messages
  84 // These are messages sent from the renderer to the browser process.
  85
  86 // Response to AwViewMsg_DocumentHasImages request.
  87 IPC_MESSAGE_ROUTED2(AwViewHostMsg_DocumentHasImagesResponse,
  88                     int, /* id */
  89                     bool /* has_images */)
  90
  91 // Response to AwViewMsg_DoHitTest.
  92 IPC_MESSAGE_ROUTED1(AwViewHostMsg_UpdateHitTestData,
  93                     android_webview::AwHitTestData)
  94
  95 // Sent whenever the page scale factor (as seen by RenderView) is changed.
  96 IPC_MESSAGE_ROUTED1(AwViewHostMsg_PageScaleFactorChanged,
  97                     float /* page_scale_factor */)
  98
  99 // Sent whenever the contents size (as seen by RenderView) is changed.
 100 IPC_MESSAGE_ROUTED1(AwViewHostMsg_OnContentsSizeChanged,
 101                     gfx::Size /* contents_size */)
 102
 103 // Sent immediately before a top level navigation is initiated within Blink.
 104 // There are some exlusions, the most important ones are it is not sent
 105 // when creating a popup window, and not sent for application initiated
 106 // navigations. See AwContentRendererClient::HandleNavigation for all
 107 // cornercases. This is sent before updating the NavigationController state
 108 // or creating a URLRequest for the main frame resource.
 109 IPC_SYNC_MESSAGE_CONTROL2_1(AwViewHostMsg_ShouldOverrideUrlLoading,
 110                             int /* routing id */,
 111                             string16 /* in - url */,
 112                             bool /* out - result */)