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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <gdk/gdk.h> | 9 #include <gdk/gdk.h> |
10 | 10 |
11 #include <string> | 11 #include <string> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "base/time.h" | 15 #include "base/time.h" |
| 16 #include "content/browser/accessibility/browser_accessibility_manager.h" |
16 #include "content/browser/renderer_host/render_widget_host_view_base.h" | 17 #include "content/browser/renderer_host/render_widget_host_view_base.h" |
17 #include "content/common/content_export.h" | 18 #include "content/common/content_export.h" |
18 #include "ui/base/animation/animation_delegate.h" | 19 #include "ui/base/animation/animation_delegate.h" |
19 #include "ui/base/animation/slide_animation.h" | 20 #include "ui/base/animation/slide_animation.h" |
20 #include "ui/base/gtk/gtk_signal.h" | 21 #include "ui/base/gtk/gtk_signal.h" |
21 #include "ui/base/gtk/gtk_signal_registrar.h" | 22 #include "ui/base/gtk/gtk_signal_registrar.h" |
22 #include "ui/base/gtk/owned_widget_gtk.h" | 23 #include "ui/base/gtk/owned_widget_gtk.h" |
23 #include "ui/gfx/native_widget_types.h" | 24 #include "ui/gfx/native_widget_types.h" |
24 #include "ui/gfx/point.h" | 25 #include "ui/gfx/point.h" |
25 #include "ui/gfx/rect.h" | 26 #include "ui/gfx/rect.h" |
26 #include "webkit/glue/webcursor.h" | 27 #include "webkit/glue/webcursor.h" |
27 #include "webkit/plugins/npapi/gtk_plugin_container_manager.h" | 28 #include "webkit/plugins/npapi/gtk_plugin_container_manager.h" |
28 | 29 |
29 class GtkIMContextWrapper; | 30 class GtkIMContextWrapper; |
30 struct NativeWebKeyboardEvent; | 31 struct NativeWebKeyboardEvent; |
31 | 32 |
32 namespace content { | 33 namespace content { |
33 class RenderWidgetHost; | 34 class RenderWidgetHost; |
34 class RenderWidgetHostImpl; | 35 class RenderWidgetHostImpl; |
35 } | 36 } |
36 | 37 |
37 class GtkKeyBindingsHandler; | 38 class GtkKeyBindingsHandler; |
38 | 39 |
39 typedef struct _GtkClipboard GtkClipboard; | 40 typedef struct _GtkClipboard GtkClipboard; |
40 typedef struct _GtkSelectionData GtkSelectionData; | 41 typedef struct _GtkSelectionData GtkSelectionData; |
41 | 42 |
42 // ----------------------------------------------------------------------------- | 43 // ----------------------------------------------------------------------------- |
43 // See comments in render_widget_host_view.h about this class and its members. | 44 // See comments in render_widget_host_view.h about this class and its members. |
44 // ----------------------------------------------------------------------------- | 45 // ----------------------------------------------------------------------------- |
45 class RenderWidgetHostViewGtk : public content::RenderWidgetHostViewBase { | 46 class CONTENT_EXPORT RenderWidgetHostViewGtk |
| 47 : public content::RenderWidgetHostViewBase, |
| 48 public BrowserAccessibilityDelegate { |
46 public: | 49 public: |
47 virtual ~RenderWidgetHostViewGtk(); | 50 virtual ~RenderWidgetHostViewGtk(); |
48 | 51 |
49 // RenderWidgetHostView implementation. | 52 // RenderWidgetHostView implementation. |
50 virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE; | 53 virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE; |
51 virtual content::RenderWidgetHost* GetRenderWidgetHost() const OVERRIDE; | 54 virtual content::RenderWidgetHost* GetRenderWidgetHost() const OVERRIDE; |
52 virtual void SetSize(const gfx::Size& size) OVERRIDE; | 55 virtual void SetSize(const gfx::Size& size) OVERRIDE; |
53 virtual void SetBounds(const gfx::Rect& rect) OVERRIDE; | 56 virtual void SetBounds(const gfx::Rect& rect) OVERRIDE; |
54 virtual gfx::NativeView GetNativeView() const OVERRIDE; | 57 virtual gfx::NativeView GetNativeView() const OVERRIDE; |
55 virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE; | 58 virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE; |
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115 bool processed) OVERRIDE; | 118 bool processed) OVERRIDE; |
116 virtual void SetHasHorizontalScrollbar( | 119 virtual void SetHasHorizontalScrollbar( |
117 bool has_horizontal_scrollbar) OVERRIDE; | 120 bool has_horizontal_scrollbar) OVERRIDE; |
118 virtual void SetScrollOffsetPinning( | 121 virtual void SetScrollOffsetPinning( |
119 bool is_pinned_to_left, bool is_pinned_to_right) OVERRIDE; | 122 bool is_pinned_to_left, bool is_pinned_to_right) OVERRIDE; |
120 virtual void GetScreenInfo(WebKit::WebScreenInfo* results) OVERRIDE; | 123 virtual void GetScreenInfo(WebKit::WebScreenInfo* results) OVERRIDE; |
121 virtual gfx::Rect GetRootWindowBounds() OVERRIDE; | 124 virtual gfx::Rect GetRootWindowBounds() OVERRIDE; |
122 virtual gfx::GLSurfaceHandle GetCompositingSurface() OVERRIDE; | 125 virtual gfx::GLSurfaceHandle GetCompositingSurface() OVERRIDE; |
123 virtual bool LockMouse() OVERRIDE; | 126 virtual bool LockMouse() OVERRIDE; |
124 virtual void UnlockMouse() OVERRIDE; | 127 virtual void UnlockMouse() OVERRIDE; |
| 128 virtual void OnAccessibilityNotifications( |
| 129 const std::vector<AccessibilityHostMsg_NotificationParams>& params) |
| 130 OVERRIDE; |
125 | 131 |
126 // If the widget is aligned with an edge of the monitor its on and the user | 132 // If the widget is aligned with an edge of the monitor its on and the user |
127 // attempts to drag past that edge we track the number of times it has | 133 // attempts to drag past that edge we track the number of times it has |
128 // occurred, so that we can force the widget to scroll when it otherwise | 134 // occurred, so that we can force the widget to scroll when it otherwise |
129 // would be unable to. | 135 // would be unable to. |
130 void ModifyEventForEdgeDragging(GtkWidget* widget, GdkEventMotion* event); | 136 void ModifyEventForEdgeDragging(GtkWidget* widget, GdkEventMotion* event); |
131 | 137 |
132 // Mouse events always provide a movementX/Y which needs to be computed. | 138 // Mouse events always provide a movementX/Y which needs to be computed. |
133 // Also, mouse lock requires knowledge of last unlocked cursor coordinates. | 139 // Also, mouse lock requires knowledge of last unlocked cursor coordinates. |
134 // State is stored on the host view to do this, and the mouse event modified. | 140 // State is stored on the host view to do this, and the mouse event modified. |
135 void ModifyEventMovementAndCoords(WebKit::WebMouseEvent* event); | 141 void ModifyEventMovementAndCoords(WebKit::WebMouseEvent* event); |
136 | 142 |
137 void Paint(const gfx::Rect&); | 143 void Paint(const gfx::Rect&); |
138 | 144 |
139 // Called by GtkIMContextWrapper to forward a keyboard event to renderer. | 145 // Called by GtkIMContextWrapper to forward a keyboard event to renderer. |
140 // On Linux (not ChromeOS): | 146 // On Linux (not ChromeOS): |
141 // Before calling RenderWidgetHost::ForwardKeyboardEvent(), this method | 147 // Before calling RenderWidgetHost::ForwardKeyboardEvent(), this method |
142 // calls GtkKeyBindingsHandler::Match() against the event and send matched | 148 // calls GtkKeyBindingsHandler::Match() against the event and send matched |
143 // edit commands to renderer by calling | 149 // edit commands to renderer by calling |
144 // RenderWidgetHost::ForwardEditCommandsForNextKeyEvent(). | 150 // RenderWidgetHost::ForwardEditCommandsForNextKeyEvent(). |
145 void ForwardKeyboardEvent(const NativeWebKeyboardEvent& event); | 151 void ForwardKeyboardEvent(const NativeWebKeyboardEvent& event); |
146 | 152 |
147 bool RetrieveSurrounding(std::string* text, size_t* cursor_index); | 153 bool RetrieveSurrounding(std::string* text, size_t* cursor_index); |
148 | 154 |
| 155 // BrowserAccessibilityDelegate implementation. |
| 156 virtual void SetAccessibilityFocus(int acc_obj_id) OVERRIDE; |
| 157 virtual void AccessibilityDoDefaultAction(int acc_obj_id) OVERRIDE; |
| 158 virtual void AccessibilityScrollToMakeVisible( |
| 159 int acc_obj_id, gfx::Rect subfocus) OVERRIDE; |
| 160 virtual void AccessibilityScrollToPoint( |
| 161 int acc_obj_id, gfx::Point point) OVERRIDE; |
| 162 virtual void AccessibilitySetTextSelection( |
| 163 int acc_obj_id, int start_offset, int end_offset) OVERRIDE; |
| 164 |
| 165 // Get the root of the AtkObject* tree for accessibility. |
| 166 AtkObject* GetAccessible(); |
| 167 |
149 protected: | 168 protected: |
150 friend class content::RenderWidgetHostView; | 169 friend class content::RenderWidgetHostView; |
151 | 170 |
152 // Should construct only via RenderWidgetHostView::CreateViewForWidget. | 171 // Should construct only via RenderWidgetHostView::CreateViewForWidget. |
153 explicit RenderWidgetHostViewGtk(content::RenderWidgetHost* widget); | 172 explicit RenderWidgetHostViewGtk(content::RenderWidgetHost* widget); |
154 | 173 |
155 private: | 174 private: |
156 friend class RenderWidgetHostViewGtkWidget; | 175 friend class RenderWidgetHostViewGtkWidget; |
157 | 176 |
158 CHROMEGTK_CALLBACK_1(RenderWidgetHostViewGtk, | 177 CHROMEGTK_CALLBACK_1(RenderWidgetHostViewGtk, |
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280 // monitor (if the widget is aligned with that edge). Negative values | 299 // monitor (if the widget is aligned with that edge). Negative values |
281 // indicate the top edge, positive the bottom. | 300 // indicate the top edge, positive the bottom. |
282 int dragged_at_vertical_edge_; | 301 int dragged_at_vertical_edge_; |
283 | 302 |
284 gfx::PluginWindowHandle compositing_surface_; | 303 gfx::PluginWindowHandle compositing_surface_; |
285 | 304 |
286 // The event for the last mouse down we handled. We need this for context | 305 // The event for the last mouse down we handled. We need this for context |
287 // menus and drags. | 306 // menus and drags. |
288 GdkEventButton* last_mouse_down_; | 307 GdkEventButton* last_mouse_down_; |
289 | 308 |
| 309 // Instance of accessibility information for the root of the AtkObject |
| 310 // tree representation of the WebKit render tree. |
| 311 scoped_ptr<BrowserAccessibilityManager> browser_accessibility_manager_; |
| 312 |
290 ui::GtkSignalRegistrar signals_; | 313 ui::GtkSignalRegistrar signals_; |
291 }; | 314 }; |
292 | 315 |
293 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_ | 316 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_ |
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