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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_find_helper.h" | 5 #include "extensions/browser/guest_view/web_view/web_view_find_helper.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "components/guest_view/browser/guest_view_event.h" | 9 #include "components/guest_view/browser/guest_view_event.h" |
10 #include "extensions/browser/api/guest_view/web_view/web_view_internal_api.h" | 10 #include "extensions/browser/api/guest_view/web_view/web_view_internal_api.h" |
11 #include "extensions/browser/guest_view/web_view/web_view_constants.h" | 11 #include "extensions/browser/guest_view/web_view/web_view_constants.h" |
12 | 12 |
13 using guest_view::GuestViewEvent; | 13 using guest_view::GuestViewEvent; |
14 | 14 |
15 namespace extensions { | 15 namespace extensions { |
16 | 16 |
17 WebViewFindHelper::WebViewFindHelper(WebViewGuest* webview_guest) | 17 WebViewFindHelper::WebViewFindHelper(WebViewGuest* webview_guest) |
18 : webview_guest_(webview_guest), current_find_request_id_(0) { | 18 : webview_guest_(webview_guest), current_find_request_id_(0) { |
19 } | 19 } |
20 | 20 |
21 WebViewFindHelper::~WebViewFindHelper() { | 21 WebViewFindHelper::~WebViewFindHelper() { |
22 } | 22 } |
23 | 23 |
24 void WebViewFindHelper::CancelAllFindSessions() { | 24 void WebViewFindHelper::CancelAllFindSessions() { |
25 current_find_session_ = linked_ptr<WebViewFindHelper::FindInfo>(); | 25 current_find_session_ = nullptr; |
26 while (!find_info_map_.empty()) { | 26 while (!find_info_map_.empty()) { |
27 find_info_map_.begin()->second->SendResponse(true /* canceled */); | 27 find_info_map_.begin()->second->SendResponse(true /* canceled */); |
28 find_info_map_.erase(find_info_map_.begin()); | 28 find_info_map_.erase(find_info_map_.begin()); |
29 } | 29 } |
30 if (find_update_event_.get()) | 30 if (find_update_event_) |
31 DispatchFindUpdateEvent(true /* canceled */, true /* final_update */); | 31 DispatchFindUpdateEvent(true /* canceled */, true /* final_update */); |
32 find_update_event_.reset(); | 32 find_update_event_.reset(); |
33 } | 33 } |
34 | 34 |
35 void WebViewFindHelper::DispatchFindUpdateEvent(bool canceled, | 35 void WebViewFindHelper::DispatchFindUpdateEvent(bool canceled, |
36 bool final_update) { | 36 bool final_update) { |
37 DCHECK(find_update_event_.get()); | 37 DCHECK(find_update_event_.get()); |
38 scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue()); | 38 scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue()); |
39 find_update_event_->PrepareResults(args.get()); | 39 find_update_event_->PrepareResults(args.get()); |
40 args->SetBoolean(webview::kFindCanceled, canceled); | 40 args->SetBoolean(webview::kFindCanceled, canceled); |
41 args->SetBoolean(webview::kFindFinalUpdate, final_update); | 41 args->SetBoolean(webview::kFindFinalUpdate, final_update); |
42 DCHECK(webview_guest_); | 42 DCHECK(webview_guest_); |
43 webview_guest_->DispatchEventToView( | 43 webview_guest_->DispatchEventToView(make_scoped_ptr( |
44 new GuestViewEvent(webview::kEventFindReply, std::move(args))); | 44 new GuestViewEvent(webview::kEventFindReply, std::move(args)))); |
45 } | 45 } |
46 | 46 |
47 void WebViewFindHelper::EndFindSession(int session_request_id, bool canceled) { | 47 void WebViewFindHelper::EndFindSession(int session_request_id, bool canceled) { |
48 FindInfoMap::iterator session_iterator = | 48 FindInfoMap::iterator session_iterator = |
49 find_info_map_.find(session_request_id); | 49 find_info_map_.find(session_request_id); |
50 DCHECK(session_iterator != find_info_map_.end()); | 50 DCHECK(session_iterator != find_info_map_.end()); |
51 FindInfo* find_info = session_iterator->second.get(); | 51 FindInfo* find_info = session_iterator->second.get(); |
52 | 52 |
53 // Call the callback function of the first request of the find session. | 53 // Call the callback function of the first request of the find session. |
54 find_info->SendResponse(canceled); | 54 find_info->SendResponse(canceled); |
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93 const blink::WebFindOptions& options, | 93 const blink::WebFindOptions& options, |
94 scoped_refptr<WebViewInternalFindFunction> find_function) { | 94 scoped_refptr<WebViewInternalFindFunction> find_function) { |
95 // Need a new request_id for each new find request. | 95 // Need a new request_id for each new find request. |
96 ++current_find_request_id_; | 96 ++current_find_request_id_; |
97 | 97 |
98 // Stores the find request information by request_id so that its callback | 98 // Stores the find request information by request_id so that its callback |
99 // function can be called when the find results are available. | 99 // function can be called when the find results are available. |
100 std::pair<FindInfoMap::iterator, bool> insert_result = | 100 std::pair<FindInfoMap::iterator, bool> insert_result = |
101 find_info_map_.insert(std::make_pair( | 101 find_info_map_.insert(std::make_pair( |
102 current_find_request_id_, | 102 current_find_request_id_, |
103 linked_ptr< | 103 make_scoped_refptr(new FindInfo(current_find_request_id_, search_text, |
104 WebViewFindHelper::FindInfo>(new WebViewFindHelper::FindInfo( | 104 options, find_function)))); |
105 current_find_request_id_, search_text, options, find_function)))); | |
106 // No duplicate insertions. | 105 // No duplicate insertions. |
107 DCHECK(insert_result.second); | 106 DCHECK(insert_result.second); |
108 | 107 |
109 // Find options including the implicit |findNext| field. | 108 // Find options including the implicit |findNext| field. |
110 blink::WebFindOptions* full_options = insert_result.first->second->options(); | 109 blink::WebFindOptions* full_options = insert_result.first->second->options(); |
111 | 110 |
112 // Set |findNext| implicitly. | 111 // Set |findNext| implicitly. |
113 if (current_find_session_.get()) { | 112 if (current_find_session_) { |
114 const base::string16& current_search_text = | 113 const base::string16& current_search_text = |
115 current_find_session_->search_text(); | 114 current_find_session_->search_text(); |
116 bool current_match_case = current_find_session_->options()->matchCase; | 115 bool current_match_case = current_find_session_->options()->matchCase; |
117 full_options->findNext = !current_search_text.empty() && | 116 full_options->findNext = !current_search_text.empty() && |
118 current_search_text == search_text && | 117 current_search_text == search_text && |
119 current_match_case == options.matchCase; | 118 current_match_case == options.matchCase; |
120 } else { | 119 } else { |
121 full_options->findNext = false; | 120 full_options->findNext = false; |
122 } | 121 } |
123 | 122 |
124 // Link find requests that are a part of the same find session. | 123 // Link find requests that are a part of the same find session. |
125 if (full_options->findNext && current_find_session_.get()) { | 124 if (full_options->findNext && current_find_session_) { |
126 DCHECK(current_find_request_id_ != current_find_session_->request_id()); | 125 DCHECK(current_find_request_id_ != current_find_session_->request_id()); |
127 current_find_session_->AddFindNextRequest( | 126 current_find_session_->AddFindNextRequest( |
128 insert_result.first->second->AsWeakPtr()); | 127 insert_result.first->second->AsWeakPtr()); |
129 } | 128 } |
130 | 129 |
131 // Update the current find session, if necessary. | 130 // Update the current find session, if necessary. |
132 if (!full_options->findNext) | 131 if (!full_options->findNext) |
133 current_find_session_ = insert_result.first->second; | 132 current_find_session_ = insert_result.first->second; |
134 | 133 |
135 // Handle the empty |search_text| case internally. | 134 // Handle the empty |search_text| case internally. |
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148 const gfx::Rect& selection_rect, | 147 const gfx::Rect& selection_rect, |
149 int active_match_ordinal, | 148 int active_match_ordinal, |
150 bool final_update) { | 149 bool final_update) { |
151 FindInfoMap::iterator find_iterator = find_info_map_.find(request_id); | 150 FindInfoMap::iterator find_iterator = find_info_map_.find(request_id); |
152 | 151 |
153 // Ignore slow replies to canceled find requests. | 152 // Ignore slow replies to canceled find requests. |
154 if (find_iterator == find_info_map_.end()) | 153 if (find_iterator == find_info_map_.end()) |
155 return; | 154 return; |
156 | 155 |
157 // This find request must be a part of an existing find session. | 156 // This find request must be a part of an existing find session. |
158 DCHECK(current_find_session_.get()); | 157 DCHECK(current_find_session_); |
159 | 158 |
160 WebViewFindHelper::FindInfo* find_info = find_iterator->second.get(); | 159 WebViewFindHelper::FindInfo* find_info = find_iterator->second.get(); |
161 | 160 |
162 // Handle canceled find requests. | 161 // Handle canceled find requests. |
163 if (!find_info->options()->findNext && | 162 if (!find_info->options()->findNext && |
164 find_info_map_.begin()->first < request_id) { | 163 find_info_map_.begin()->first < request_id) { |
165 DCHECK_NE(current_find_session_->request_id(), | 164 DCHECK_NE(current_find_session_->request_id(), |
166 find_info_map_.begin()->first); | 165 find_info_map_.begin()->first); |
167 DispatchFindUpdateEvent(true /* canceled */, true /* final_update */); | 166 DispatchFindUpdateEvent(true /* canceled */, true /* final_update */); |
168 EndFindSession(find_info_map_.begin()->first, true /* canceled */); | 167 EndFindSession(find_info_map_.begin()->first, true /* canceled */); |
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253 const blink::WebFindOptions& options, | 252 const blink::WebFindOptions& options, |
254 scoped_refptr<WebViewInternalFindFunction> find_function) | 253 scoped_refptr<WebViewInternalFindFunction> find_function) |
255 : request_id_(request_id), | 254 : request_id_(request_id), |
256 search_text_(search_text), | 255 search_text_(search_text), |
257 options_(options), | 256 options_(options), |
258 find_function_(find_function), | 257 find_function_(find_function), |
259 replied_(false), | 258 replied_(false), |
260 weak_ptr_factory_(this) { | 259 weak_ptr_factory_(this) { |
261 } | 260 } |
262 | 261 |
263 WebViewFindHelper::FindInfo::~FindInfo() { | |
264 } | |
265 | |
266 void WebViewFindHelper::FindInfo::AggregateResults( | 262 void WebViewFindHelper::FindInfo::AggregateResults( |
267 int number_of_matches, | 263 int number_of_matches, |
268 const gfx::Rect& selection_rect, | 264 const gfx::Rect& selection_rect, |
269 int active_match_ordinal, | 265 int active_match_ordinal, |
270 bool final_update) { | 266 bool final_update) { |
271 replied_ = true; | 267 replied_ = true; |
272 find_results_.AggregateResults(number_of_matches, selection_rect, | 268 find_results_.AggregateResults(number_of_matches, selection_rect, |
273 active_match_ordinal, final_update); | 269 active_match_ordinal, final_update); |
274 } | 270 } |
275 | 271 |
276 base::WeakPtr<WebViewFindHelper::FindInfo> | 272 base::WeakPtr<WebViewFindHelper::FindInfo> |
277 WebViewFindHelper::FindInfo::AsWeakPtr() { | 273 WebViewFindHelper::FindInfo::AsWeakPtr() { |
278 return weak_ptr_factory_.GetWeakPtr(); | 274 return weak_ptr_factory_.GetWeakPtr(); |
279 } | 275 } |
280 | 276 |
281 void WebViewFindHelper::FindInfo::SendResponse(bool canceled) { | 277 void WebViewFindHelper::FindInfo::SendResponse(bool canceled) { |
282 // Prepare the find results to pass to the callback function. | 278 // Prepare the find results to pass to the callback function. |
283 base::DictionaryValue results; | 279 base::DictionaryValue results; |
284 find_results_.PrepareResults(&results); | 280 find_results_.PrepareResults(&results); |
285 results.SetBoolean(webview::kFindCanceled, canceled); | 281 results.SetBoolean(webview::kFindCanceled, canceled); |
286 | 282 |
287 // Call the callback. | 283 // Call the callback. |
288 find_function_->SetResult(results.DeepCopy()); | 284 find_function_->SetResult(results.DeepCopy()); |
289 find_function_->SendResponse(true); | 285 find_function_->SendResponse(true); |
290 } | 286 } |
291 | 287 |
| 288 WebViewFindHelper::FindInfo::~FindInfo() {} |
| 289 |
292 } // namespace extensions | 290 } // namespace extensions |
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