Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(61)

Side by Side Diff: chrome/browser/renderer_host/render_widget_host.cc

Issue 2782003: Revert 49339 - Enable renderer accessibility by default.... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/renderer_host/render_widget_host.h" 5 #include "chrome/browser/renderer_host/render_widget_host.h"
6 6
7 #include "base/auto_reset.h" 7 #include "base/auto_reset.h"
8 #include "base/command_line.h"
9 #include "base/histogram.h" 8 #include "base/histogram.h"
10 #include "base/keyboard_codes.h" 9 #include "base/keyboard_codes.h"
11 #include "base/message_loop.h" 10 #include "base/message_loop.h"
12 #include "chrome/browser/chrome_thread.h" 11 #include "chrome/browser/chrome_thread.h"
13 #include "chrome/browser/renderer_host/backing_store.h" 12 #include "chrome/browser/renderer_host/backing_store.h"
14 #include "chrome/browser/renderer_host/backing_store_manager.h" 13 #include "chrome/browser/renderer_host/backing_store_manager.h"
15 #include "chrome/browser/renderer_host/render_process_host.h" 14 #include "chrome/browser/renderer_host/render_process_host.h"
16 #include "chrome/browser/renderer_host/render_widget_helper.h" 15 #include "chrome/browser/renderer_host/render_widget_helper.h"
17 #include "chrome/browser/renderer_host/render_widget_host_painting_observer.h" 16 #include "chrome/browser/renderer_host/render_widget_host_painting_observer.h"
18 #include "chrome/browser/renderer_host/render_widget_host_view.h" 17 #include "chrome/browser/renderer_host/render_widget_host_view.h"
19 #include "chrome/browser/renderer_host/video_layer.h" 18 #include "chrome/browser/renderer_host/video_layer.h"
20 #include "chrome/common/chrome_switches.h"
21 #include "chrome/common/notification_service.h" 19 #include "chrome/common/notification_service.h"
22 #include "chrome/common/render_messages.h" 20 #include "chrome/common/render_messages.h"
23 #include "webkit/glue/webcursor.h" 21 #include "webkit/glue/webcursor.h"
24 22
25 #if defined(TOOLKIT_VIEWS) 23 #if defined(TOOLKIT_VIEWS)
26 #include "views/view.h" 24 #include "views/view.h"
27 #endif 25 #endif
28 26
29 #if defined (OS_MACOSX) 27 #if defined (OS_MACOSX)
30 #include "third_party/WebKit/WebKit/chromium/public/WebScreenInfo.h" 28 #include "third_party/WebKit/WebKit/chromium/public/WebScreenInfo.h"
(...skipping 22 matching lines...) Expand all
53 static const int kPaintMsgTimeoutMS = 40; 51 static const int kPaintMsgTimeoutMS = 40;
54 52
55 // How long to wait before we consider a renderer hung. 53 // How long to wait before we consider a renderer hung.
56 static const int kHungRendererDelayMs = 20000; 54 static const int kHungRendererDelayMs = 20000;
57 55
58 // The maximum time between wheel messages while coalescing. This trades off 56 // The maximum time between wheel messages while coalescing. This trades off
59 // smoothness of scrolling with a risk of falling behind the events, resulting 57 // smoothness of scrolling with a risk of falling behind the events, resulting
60 // in trailing scrolls after the user ends their input. 58 // in trailing scrolls after the user ends their input.
61 static const int kMaxTimeBetweenWheelMessagesMs = 250; 59 static const int kMaxTimeBetweenWheelMessagesMs = 250;
62 60
63 // static
64 bool RenderWidgetHost::renderer_accessible_ = false;
65
66 /////////////////////////////////////////////////////////////////////////////// 61 ///////////////////////////////////////////////////////////////////////////////
67 // RenderWidgetHost 62 // RenderWidgetHost
68 63
69 RenderWidgetHost::RenderWidgetHost(RenderProcessHost* process, 64 RenderWidgetHost::RenderWidgetHost(RenderProcessHost* process,
70 int routing_id) 65 int routing_id)
71 : renderer_initialized_(false), 66 : renderer_initialized_(false),
72 view_(NULL), 67 view_(NULL),
73 process_(process), 68 process_(process),
74 painting_observer_(NULL), 69 painting_observer_(NULL),
75 routing_id_(routing_id), 70 routing_id_(routing_id),
(...skipping 1033 matching lines...) Expand 10 before | Expand all | Expand 10 after
1109 } 1104 }
1110 1105
1111 void RenderWidgetHost::AdvanceToNextMisspelling() { 1106 void RenderWidgetHost::AdvanceToNextMisspelling() {
1112 Send(new ViewMsg_AdvanceToNextMisspelling(routing_id_)); 1107 Send(new ViewMsg_AdvanceToNextMisspelling(routing_id_));
1113 } 1108 }
1114 1109
1115 void RenderWidgetHost::RequestAccessibilityTree() { 1110 void RenderWidgetHost::RequestAccessibilityTree() {
1116 Send(new ViewMsg_GetAccessibilityTree(routing_id())); 1111 Send(new ViewMsg_GetAccessibilityTree(routing_id()));
1117 } 1112 }
1118 1113
1119 void RenderWidgetHost::SetDocumentLoaded(bool document_loaded) {
1120 document_loaded_ = document_loaded;
1121
1122 if (!document_loaded_)
1123 requested_accessibility_tree_ = false;
1124
1125 if (renderer_accessible_ && document_loaded_) {
1126 RequestAccessibilityTree();
1127 requested_accessibility_tree_ = true;
1128 }
1129 }
1130
1131 void RenderWidgetHost::EnableRendererAccessibility() {
1132 if (renderer_accessible_)
1133 return;
1134
1135 if (CommandLine::ForCurrentProcess()->HasSwitch(
1136 switches::kDisableRendererAccessibility)) {
1137 return;
1138 }
1139
1140 renderer_accessible_ = true;
1141
1142 if (document_loaded_ && !requested_accessibility_tree_) {
1143 RequestAccessibilityTree();
1144 requested_accessibility_tree_ = true;
1145 }
1146 }
1147
1148 void RenderWidgetHost::SetAccessibilityFocus(int acc_obj_id) { 1114 void RenderWidgetHost::SetAccessibilityFocus(int acc_obj_id) {
1149 Send(new ViewMsg_SetAccessibilityFocus(routing_id(), acc_obj_id)); 1115 Send(new ViewMsg_SetAccessibilityFocus(routing_id(), acc_obj_id));
1150 } 1116 }
1151 1117
1152 void RenderWidgetHost::AccessibilityDoDefaultAction(int acc_obj_id) { 1118 void RenderWidgetHost::AccessibilityDoDefaultAction(int acc_obj_id) {
1153 Send(new ViewMsg_AccessibilityDoDefaultAction(routing_id(), acc_obj_id)); 1119 Send(new ViewMsg_AccessibilityDoDefaultAction(routing_id(), acc_obj_id));
1154 } 1120 }
1155 1121
1156 void RenderWidgetHost::ProcessKeyboardEventAck(int type, bool processed) { 1122 void RenderWidgetHost::ProcessKeyboardEventAck(int type, bool processed) {
1157 if (key_queue_.size() == 0) { 1123 if (key_queue_.size() == 0) {
(...skipping 17 matching lines...) Expand all
1175 // of this key event. 1141 // of this key event.
1176 if (!processed && !is_hidden_ && !front_item.skip_in_browser) { 1142 if (!processed && !is_hidden_ && !front_item.skip_in_browser) {
1177 UnhandledKeyboardEvent(front_item); 1143 UnhandledKeyboardEvent(front_item);
1178 1144
1179 // WARNING: This RenderWidgetHost can be deallocated at this point 1145 // WARNING: This RenderWidgetHost can be deallocated at this point
1180 // (i.e. in the case of Ctrl+W, where the call to 1146 // (i.e. in the case of Ctrl+W, where the call to
1181 // UnhandledKeyboardEvent destroys this RenderWidgetHost). 1147 // UnhandledKeyboardEvent destroys this RenderWidgetHost).
1182 } 1148 }
1183 } 1149 }
1184 } 1150 }
OLDNEW
« no previous file with comments | « chrome/browser/renderer_host/render_widget_host.h ('k') | chrome/browser/renderer_host/render_widget_host_view_win.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698