Zoom Extension API (content changes)

content/common/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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
@@ skipping 663 matching lines @@
 // Set the zoom level for a particular url that the renderer is in the
 // process of loading.  This will be stored, to be used if the load commits
 // and ignored otherwise.
 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForLoadingURL,
                     GURL /* url */,
                     double /* zoom_level */)
 
 // Set the zoom level for a particular url, so all render views
 // displaying this url can update their zoom levels to match.
 // If scheme is empty, then only host is used for matching.
+// Render views in the exception list do not have their levels changed.
 IPC_MESSAGE_CONTROL3(ViewMsg_SetZoomLevelForCurrentURL,
                      std::string /* scheme */,
                      std::string /* host */,
                      double /* zoom_level */)
 
+// Set whether a particular view uses a temporary zoom level.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetUsesTemporaryZoomLevel,
+                    bool /* uses_temporary_zoom_level */)
+
+// Set the zoom level for a particular render view.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetZoomLevelForView,

[Fady Samuel, 2014/06/10 20:05:14]

These two IPCs are tightly coupled (see comments in host_zoom_map_impl. It makes
sense to merge them.

[wjmaclean, 2014/06/10 20:18:54]

Except then we are forced to set a level when in manual mode, which we don't
really want to do. That's why I kept them separate.

+                    double /* zoom_level */)
+
 // Change encoding of page in the renderer.
 IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
                     std::string /*new encoding name*/)
 
 // Reset encoding of page in the renderer back to default.
 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageEncodingToDefault)
 
 // Used to tell a render view whether it should expose various bindings
 // that allow JS content extended privileges.  See BindingsPolicy for valid
 // flag values.
@@ skipping 1026 matching lines @@
 // synchronously (see crbug.com/120597). This IPC message sends the character
 // bounds after every composition change to always have correct bound info.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeCompositionRangeChanged,
                     gfx::Range /* composition range */,
                     std::vector<gfx::Rect> /* character bounds */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.