Implement DocuementHasImages

android_webview/common/render_view_messages.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Multiply-included file, no traditional include guard.
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_platform_file.h"
+
+// Singly-included section for enums and custom IPC traits.
+#ifndef ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
+#define ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
+
+
+namespace IPC {
+
+// TODO - add enums and custom IPC traits here when needed.
+
+}  // namespace IPC
+
+#endif  // ANDROID_WEBVIEW_COMMON_RENDER_VIEW_MESSAGES_H_
+
+#define IPC_MESSAGE_START AndroidWebViewMsgStart
+
+//-----------------------------------------------------------------------------
+// RenderView messages
+// These are messages sent from the browser to the renderer process.
+
+// Request for the renderer to determine if the document contains any image
+// elements.  The id should be passed in the response message so the response
+// can be associated with the request.
+IPC_MESSAGE_ROUTED1(AwViewMsg_DocumentHasImages,
+                    int /* id */)
+
+//-----------------------------------------------------------------------------
+// RenderView messages
+// These are messages sent from the renderer to the browser process.
+
+// Response to AwViewMsg_DocumentHasImages request.
+IPC_MESSAGE_ROUTED2(AwViewHostMsg_DocumentHasImagesResponse,
+                    int, /* id */
+                    bool /* has_images */)
+