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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 #include "ui/views/controls/webview/webview.h" | 5 #include "ui/views/controls/webview/webview.h" |
6 | 6 |
7 #include "content/public/browser/browser_accessibility_state.h" | 7 #include "content/public/browser/browser_accessibility_state.h" |
8 #include "content/public/browser/browser_context.h" | 8 #include "content/public/browser/browser_context.h" |
9 #include "content/public/browser/navigation_controller.h" | 9 #include "content/public/browser/navigation_controller.h" |
10 #include "content/public/browser/render_view_host.h" | 10 #include "content/public/browser/render_view_host.h" |
11 #include "content/public/browser/render_widget_host_view.h" | 11 #include "content/public/browser/render_widget_host_view.h" |
12 #include "content/public/browser/web_contents.h" | 12 #include "content/public/browser/web_contents.h" |
13 #include "content/public/browser/web_contents_view.h" | 13 #include "content/public/browser/web_contents_view.h" |
14 #include "ipc/ipc_message.h" | 14 #include "ipc/ipc_message.h" |
15 #include "ui/accessibility/ax_enums.h" | 15 #include "ui/accessibility/ax_enums.h" |
16 #include "ui/accessibility/ax_view_state.h" | 16 #include "ui/accessibility/ax_view_state.h" |
| 17 #include "ui/base/ui_base_switches_util.h" |
17 #include "ui/events/event.h" | 18 #include "ui/events/event.h" |
18 #include "ui/views/accessibility/native_view_accessibility.h" | 19 #include "ui/views/accessibility/native_view_accessibility.h" |
19 #include "ui/views/controls/native/native_view_host.h" | 20 #include "ui/views/controls/native/native_view_host.h" |
20 #include "ui/views/focus/focus_manager.h" | 21 #include "ui/views/focus/focus_manager.h" |
21 #include "ui/views/views_delegate.h" | 22 #include "ui/views/views_delegate.h" |
22 | 23 |
23 namespace views { | 24 namespace views { |
24 | 25 |
25 // static | 26 // static |
26 const char WebView::kViewClassName[] = "WebView"; | 27 const char WebView::kViewClassName[] = "WebView"; |
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60 // web_contents() now returns |replacement| from here onwards. | 61 // web_contents() now returns |replacement| from here onwards. |
61 if (wc_owner_ != replacement) | 62 if (wc_owner_ != replacement) |
62 wc_owner_.reset(); | 63 wc_owner_.reset(); |
63 if (embed_fullscreen_widget_mode_enabled_) { | 64 if (embed_fullscreen_widget_mode_enabled_) { |
64 is_embedding_fullscreen_widget_ = | 65 is_embedding_fullscreen_widget_ = |
65 web_contents() && web_contents()->GetFullscreenRenderWidgetHostView(); | 66 web_contents() && web_contents()->GetFullscreenRenderWidgetHostView(); |
66 } else { | 67 } else { |
67 DCHECK(!is_embedding_fullscreen_widget_); | 68 DCHECK(!is_embedding_fullscreen_widget_); |
68 } | 69 } |
69 AttachWebContents(); | 70 AttachWebContents(); |
| 71 NotifyMaybeTextInputClientChanged(); |
70 } | 72 } |
71 | 73 |
72 void WebView::SetEmbedFullscreenWidgetMode(bool enable) { | 74 void WebView::SetEmbedFullscreenWidgetMode(bool enable) { |
73 DCHECK(!web_contents()) | 75 DCHECK(!web_contents()) |
74 << "Cannot change mode while a WebContents is attached."; | 76 << "Cannot change mode while a WebContents is attached."; |
75 embed_fullscreen_widget_mode_enabled_ = enable; | 77 embed_fullscreen_widget_mode_enabled_ = enable; |
76 } | 78 } |
77 | 79 |
78 void WebView::LoadInitialURL(const GURL& url) { | 80 void WebView::LoadInitialURL(const GURL& url) { |
79 GetWebContents()->GetController().LoadURL( | 81 GetWebContents()->GetController().LoadURL( |
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96 PreferredSizeChanged(); | 98 PreferredSizeChanged(); |
97 } | 99 } |
98 | 100 |
99 //////////////////////////////////////////////////////////////////////////////// | 101 //////////////////////////////////////////////////////////////////////////////// |
100 // WebView, View overrides: | 102 // WebView, View overrides: |
101 | 103 |
102 const char* WebView::GetClassName() const { | 104 const char* WebView::GetClassName() const { |
103 return kViewClassName; | 105 return kViewClassName; |
104 } | 106 } |
105 | 107 |
| 108 ui::TextInputClient* WebView::GetTextInputClient() { |
| 109 // This function delegates the text input handling to the underlying |
| 110 // content::RenderWidgetHostView. So when the underlying RWHV is destroyed or |
| 111 // replaced with another one, we have to notify the FocusManager through |
| 112 // FocusManager::OnTextInputClientChanged() that the focused TextInputClient |
| 113 // needs to be updated. |
| 114 if (switches::IsTextInputFocusManagerEnabled() && |
| 115 web_contents() && !web_contents()->IsBeingDestroyed()) { |
| 116 content::RenderWidgetHostView* host_view = |
| 117 is_embedding_fullscreen_widget_ ? |
| 118 web_contents()->GetFullscreenRenderWidgetHostView() : |
| 119 web_contents()->GetRenderWidgetHostView(); |
| 120 if (host_view) |
| 121 return host_view->GetTextInputClient(); |
| 122 } |
| 123 return NULL; |
| 124 } |
| 125 |
106 void WebView::OnBoundsChanged(const gfx::Rect& previous_bounds) { | 126 void WebView::OnBoundsChanged(const gfx::Rect& previous_bounds) { |
107 // In most cases, the holder is simply sized to fill this WebView's bounds. | 127 // In most cases, the holder is simply sized to fill this WebView's bounds. |
108 // Only WebContentses that are in fullscreen mode and being screen-captured | 128 // Only WebContentses that are in fullscreen mode and being screen-captured |
109 // will engage the special layout/sizing behavior. | 129 // will engage the special layout/sizing behavior. |
110 gfx::Rect holder_bounds(bounds().size()); | 130 gfx::Rect holder_bounds(bounds().size()); |
111 if (!embed_fullscreen_widget_mode_enabled_ || | 131 if (!embed_fullscreen_widget_mode_enabled_ || |
112 !web_contents() || | 132 !web_contents() || |
113 web_contents()->GetCapturerCount() == 0 || | 133 web_contents()->GetCapturerCount() == 0 || |
114 web_contents()->GetPreferredSize().IsEmpty() || | 134 web_contents()->GetPreferredSize().IsEmpty() || |
115 !(is_embedding_fullscreen_widget_ || | 135 !(is_embedding_fullscreen_widget_ || |
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222 } | 242 } |
223 | 243 |
224 bool WebView::EmbedsFullscreenWidget() const { | 244 bool WebView::EmbedsFullscreenWidget() const { |
225 DCHECK(wc_owner_.get()); | 245 DCHECK(wc_owner_.get()); |
226 return embed_fullscreen_widget_mode_enabled_; | 246 return embed_fullscreen_widget_mode_enabled_; |
227 } | 247 } |
228 | 248 |
229 //////////////////////////////////////////////////////////////////////////////// | 249 //////////////////////////////////////////////////////////////////////////////// |
230 // WebView, content::WebContentsObserver implementation: | 250 // WebView, content::WebContentsObserver implementation: |
231 | 251 |
| 252 void WebView::RenderViewDeleted(content::RenderViewHost* render_view_host) { |
| 253 NotifyMaybeTextInputClientChanged(); |
| 254 } |
| 255 |
232 void WebView::RenderViewHostChanged(content::RenderViewHost* old_host, | 256 void WebView::RenderViewHostChanged(content::RenderViewHost* old_host, |
233 content::RenderViewHost* new_host) { | 257 content::RenderViewHost* new_host) { |
234 FocusManager* const focus_manager = GetFocusManager(); | 258 FocusManager* const focus_manager = GetFocusManager(); |
235 if (focus_manager && focus_manager->GetFocusedView() == this) | 259 if (focus_manager && focus_manager->GetFocusedView() == this) |
236 OnFocus(); | 260 OnFocus(); |
| 261 NotifyMaybeTextInputClientChanged(); |
237 } | 262 } |
238 | 263 |
239 void WebView::DidShowFullscreenWidget(int routing_id) { | 264 void WebView::DidShowFullscreenWidget(int routing_id) { |
240 if (embed_fullscreen_widget_mode_enabled_) | 265 if (embed_fullscreen_widget_mode_enabled_) |
241 ReattachForFullscreenChange(true); | 266 ReattachForFullscreenChange(true); |
242 } | 267 } |
243 | 268 |
244 void WebView::DidDestroyFullscreenWidget(int routing_id) { | 269 void WebView::DidDestroyFullscreenWidget(int routing_id) { |
245 if (embed_fullscreen_widget_mode_enabled_) | 270 if (embed_fullscreen_widget_mode_enabled_) |
246 ReattachForFullscreenChange(false); | 271 ReattachForFullscreenChange(false); |
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302 // widget. Need to detach and re-attach to a different native view. | 327 // widget. Need to detach and re-attach to a different native view. |
303 DetachWebContents(); | 328 DetachWebContents(); |
304 is_embedding_fullscreen_widget_ = | 329 is_embedding_fullscreen_widget_ = |
305 enter_fullscreen && web_contents_has_separate_fs_widget; | 330 enter_fullscreen && web_contents_has_separate_fs_widget; |
306 AttachWebContents(); | 331 AttachWebContents(); |
307 } else { | 332 } else { |
308 // Entering or exiting "non-Flash" fullscreen mode, where the native view is | 333 // Entering or exiting "non-Flash" fullscreen mode, where the native view is |
309 // the same. So, do not change attachment. | 334 // the same. So, do not change attachment. |
310 OnBoundsChanged(bounds()); | 335 OnBoundsChanged(bounds()); |
311 } | 336 } |
| 337 NotifyMaybeTextInputClientChanged(); |
| 338 } |
| 339 |
| 340 void WebView::NotifyMaybeTextInputClientChanged() { |
| 341 // Update the TextInputClient as needed; see GetTextInputClient(). |
| 342 FocusManager* const focus_manager = GetFocusManager(); |
| 343 if (focus_manager) |
| 344 focus_manager->OnTextInputClientChanged(this); |
312 } | 345 } |
313 | 346 |
314 content::WebContents* WebView::CreateWebContents( | 347 content::WebContents* WebView::CreateWebContents( |
315 content::BrowserContext* browser_context) { | 348 content::BrowserContext* browser_context) { |
316 content::WebContents* contents = NULL; | 349 content::WebContents* contents = NULL; |
317 if (ViewsDelegate::views_delegate) { | 350 if (ViewsDelegate::views_delegate) { |
318 contents = ViewsDelegate::views_delegate->CreateWebContents( | 351 contents = ViewsDelegate::views_delegate->CreateWebContents( |
319 browser_context, NULL); | 352 browser_context, NULL); |
320 } | 353 } |
321 | 354 |
322 if (!contents) { | 355 if (!contents) { |
323 content::WebContents::CreateParams create_params( | 356 content::WebContents::CreateParams create_params( |
324 browser_context, NULL); | 357 browser_context, NULL); |
325 return content::WebContents::Create(create_params); | 358 return content::WebContents::Create(create_params); |
326 } | 359 } |
327 | 360 |
328 return contents; | 361 return contents; |
329 } | 362 } |
330 | 363 |
331 } // namespace views | 364 } // namespace views |
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