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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/browser/android/ime_adapter_android.h" | |
| 6 | |
| 7 #include <android/input.h> | |
| 8 #include <algorithm> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/android/jni_android.h" | |
| 12 #include "base/android/jni_array.h" | |
| 13 #include "base/android/jni_string.h" | |
| 14 #include "base/android/scoped_java_ref.h" | |
| 15 #include "base/strings/utf_string_conversions.h" | |
| 16 #include "base/time/time.h" | |
| 17 #include "content/browser/frame_host/interstitial_page_impl.h" | |
| 18 #include "content/browser/frame_host/render_frame_host_impl.h" | |
| 19 #include "content/browser/renderer_host/render_view_host_delegate.h" | |
| 20 #include "content/browser/renderer_host/render_widget_host_impl.h" | |
| 21 #include "content/browser/renderer_host/render_widget_host_view_android.h" | |
| 22 #include "content/browser/web_contents/web_contents_impl.h" | |
| 23 #include "content/common/input_messages.h" | |
| 24 #include "content/common/view_messages.h" | |
| 25 #include "content/public/browser/browser_thread.h" | |
| 26 #include "content/public/browser/native_web_keyboard_event.h" | |
| 27 #include "content/public/browser/web_contents.h" | |
| 28 #include "jni/ImeAdapter_jni.h" | |
| 29 #include "third_party/WebKit/public/platform/WebInputEvent.h" | |
| 30 #include "third_party/WebKit/public/platform/WebTextInputType.h" | |
| 31 #include "third_party/WebKit/public/web/WebCompositionUnderline.h" | |
| 32 | |
| 33 using base::android::AttachCurrentThread; | |
| 34 using base::android::ConvertJavaStringToUTF16; | |
| 35 using base::android::ConvertUTF8ToJavaString; | |
| 36 using base::android::JavaParamRef; | |
| 37 using base::android::ScopedJavaLocalRef; | |
| 38 | |
| 39 namespace content { | |
| 40 namespace { | |
| 41 | |
| 42 // Maps a java KeyEvent into a NativeWebKeyboardEvent. | |
| 43 // |java_key_event| is used to maintain a globalref for KeyEvent. | |
| 44 // |type| will determine the WebInputEvent type. | |
| 45 // type, |modifiers|, |time_ms|, |key_code|, |unicode_char| is used to create | |
| 46 // WebKeyboardEvent. |key_code| is also needed ad need to treat the enter key | |
| 47 // as a key press of character \r. | |
| 48 NativeWebKeyboardEvent NativeWebKeyboardEventFromKeyEvent( | |
| 49 JNIEnv* env, | |
| 50 const base::android::JavaRef<jobject>& java_key_event, | |
| 51 int type, | |
| 52 int modifiers, | |
| 53 jlong time_ms, | |
| 54 int key_code, | |
| 55 int scan_code, | |
| 56 bool is_system_key, | |
| 57 int unicode_char) { | |
| 58 return NativeWebKeyboardEvent(env, java_key_event, | |
| 59 static_cast<blink::WebInputEvent::Type>(type), | |
| 60 modifiers, time_ms / 1000.0, key_code, | |
| 61 scan_code, unicode_char, is_system_key); | |
| 62 } | |
| 63 | |
| 64 } // anonymous namespace | |
| 65 | |
| 66 bool RegisterImeAdapter(JNIEnv* env) { | |
| 67 return RegisterNativesImpl(env); | |
| 68 } | |
| 69 | |
| 70 jlong Init(JNIEnv* env, | |
| 71 const JavaParamRef<jobject>& obj, | |
| 72 const JavaParamRef<jobject>& jweb_contents) { | |
| 73 WebContents* web_contents = WebContents::FromJavaWebContents(jweb_contents); | |
| 74 DCHECK(web_contents); | |
| 75 return reinterpret_cast<intptr_t>( | |
| 76 new ImeAdapterAndroid(env, obj, web_contents)); | |
| 77 } | |
| 78 | |
| 79 // Callback from Java to convert BackgroundColorSpan data to a | |
| 80 // blink::WebCompositionUnderline instance, and append it to |underlines_ptr|. | |
| 81 void AppendBackgroundColorSpan(JNIEnv*, | |
| 82 const JavaParamRef<jclass>&, | |
| 83 jlong underlines_ptr, | |
| 84 jint start, | |
| 85 jint end, | |
| 86 jint background_color) { | |
| 87 DCHECK_GE(start, 0); | |
| 88 DCHECK_GE(end, 0); | |
| 89 // Do not check |background_color|. | |
| 90 std::vector<blink::WebCompositionUnderline>* underlines = | |
| 91 reinterpret_cast<std::vector<blink::WebCompositionUnderline>*>( | |
| 92 underlines_ptr); | |
| 93 underlines->push_back(blink::WebCompositionUnderline( | |
| 94 static_cast<unsigned>(start), static_cast<unsigned>(end), | |
| 95 SK_ColorTRANSPARENT, false, static_cast<unsigned>(background_color))); | |
| 96 } | |
| 97 | |
| 98 // Callback from Java to convert UnderlineSpan data to a | |
| 99 // blink::WebCompositionUnderline instance, and append it to |underlines_ptr|. | |
| 100 void AppendUnderlineSpan(JNIEnv*, | |
| 101 const JavaParamRef<jclass>&, | |
| 102 jlong underlines_ptr, | |
| 103 jint start, | |
| 104 jint end) { | |
| 105 DCHECK_GE(start, 0); | |
| 106 DCHECK_GE(end, 0); | |
| 107 std::vector<blink::WebCompositionUnderline>* underlines = | |
| 108 reinterpret_cast<std::vector<blink::WebCompositionUnderline>*>( | |
| 109 underlines_ptr); | |
| 110 underlines->push_back(blink::WebCompositionUnderline( | |
| 111 static_cast<unsigned>(start), static_cast<unsigned>(end), SK_ColorBLACK, | |
| 112 false, SK_ColorTRANSPARENT)); | |
| 113 } | |
| 114 | |
| 115 ImeAdapterAndroid::ImeAdapterAndroid(JNIEnv* env, | |
| 116 const JavaParamRef<jobject>& obj, | |
| 117 WebContents* web_contents) | |
| 118 : WebContentsObserver(web_contents), rwhva_(nullptr) { | |
| 119 java_ime_adapter_ = JavaObjectWeakGlobalRef(env, obj); | |
| 120 } | |
| 121 | |
| 122 ImeAdapterAndroid::~ImeAdapterAndroid() { | |
| 123 JNIEnv* env = AttachCurrentThread(); | |
| 124 ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env); | |
| 125 if (!obj.is_null()) | |
| 126 Java_ImeAdapter_destroy(env, obj); | |
| 127 | |
| 128 UpdateRenderProcessConnection(nullptr); | |
| 129 } | |
| 130 | |
| 131 RenderWidgetHostViewAndroid* ImeAdapterAndroid::GetRenderWidgetHostViewAndroid() | |
| 132 const { | |
| 133 RenderWidgetHostView* rwhv = web_contents()->GetRenderWidgetHostView(); | |
| 134 WebContentsImpl* web_contents_impl = | |
| 135 static_cast<WebContentsImpl*>(web_contents()); | |
| 136 if (web_contents_impl->ShowingInterstitialPage()) { | |
| 137 rwhv = web_contents_impl->GetInterstitialPage() | |
| 138 ->GetMainFrame() | |
| 139 ->GetRenderViewHost() | |
| 140 ->GetWidget() | |
| 141 ->GetView(); | |
| 142 } | |
| 143 return static_cast<RenderWidgetHostViewAndroid*>(rwhv); | |
| 144 } | |
| 145 | |
| 146 void ImeAdapterAndroid::RenderViewReady() { | |
| 147 UpdateRenderProcessConnection(GetRenderWidgetHostViewAndroid()); | |
| 148 | |
| 149 JNIEnv* env = AttachCurrentThread(); | |
| 150 ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env); | |
| 151 if (!obj.is_null()) | |
| 152 Java_ImeAdapter_onConnectedToRenderProcess(env, obj); | |
| 153 } | |
| 154 | |
| 155 void ImeAdapterAndroid::RenderViewHostChanged(RenderViewHost* old_host, | |
| 156 RenderViewHost* new_host) { | |
| 157 if (new_host) { | |
| 158 UpdateRenderProcessConnection(static_cast<RenderWidgetHostViewAndroid*>( | |
| 159 new_host->GetWidget()->GetView())); | |
| 160 } else { | |
| 161 UpdateRenderProcessConnection(nullptr); | |
| 162 } | |
| 163 } | |
| 164 | |
| 165 void ImeAdapterAndroid::DidAttachInterstitialPage() { | |
| 166 UpdateRenderProcessConnection(GetRenderWidgetHostViewAndroid()); | |
| 167 } | |
| 168 | |
| 169 void ImeAdapterAndroid::DidDetachInterstitialPage() { | |
| 170 UpdateRenderProcessConnection(GetRenderWidgetHostViewAndroid()); | |
| 171 } | |
| 172 | |
| 173 void ImeAdapterAndroid::WebContentsDestroyed() { | |
| 174 delete this; | |
| 175 } | |
| 176 | |
| 177 void ImeAdapterAndroid::UpdateRenderProcessConnection( | |
| 178 RenderWidgetHostViewAndroid* new_rwhva) { | |
| 179 if (rwhva_.get() == new_rwhva) | |
| 180 return; | |
| 181 if (rwhva_) | |
| 182 rwhva_->set_ime_adapter(nullptr); | |
| 183 if (new_rwhva) { | |
| 184 new_rwhva->set_ime_adapter(this); | |
| 185 rwhva_ = new_rwhva->GetWeakPtrAndroid(); | |
| 186 } else { | |
| 187 rwhva_.reset(); | |
| 188 } | |
| 189 } | |
| 190 | |
| 191 void ImeAdapterAndroid::UpdateState(const TextInputState& state) { | |
| 192 JNIEnv* env = AttachCurrentThread(); | |
| 193 ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env); | |
| 194 if (obj.is_null()) | |
| 195 return; | |
| 196 | |
| 197 ScopedJavaLocalRef<jstring> jstring_text = | |
| 198 ConvertUTF8ToJavaString(env, state.value); | |
| 199 Java_ImeAdapter_updateState(env, obj, static_cast<int>(state.type), | |
| 200 state.flags, state.mode, state.show_ime_if_needed, | |
| 201 jstring_text, state.selection_start, | |
| 202 state.selection_end, state.composition_start, | |
| 203 state.composition_end, state.reply_to_request); | |
| 204 } | |
| 205 | |
| 206 bool ImeAdapterAndroid::SendKeyEvent( | |
| 207 JNIEnv* env, | |
| 208 const JavaParamRef<jobject>&, | |
| 209 const JavaParamRef<jobject>& original_key_event, | |
| 210 int type, | |
| 211 int modifiers, | |
| 212 jlong time_ms, | |
| 213 int key_code, | |
| 214 int scan_code, | |
| 215 bool is_system_key, | |
| 216 int unicode_char) { | |
| 217 if (!rwhva_) | |
| 218 return false; | |
| 219 NativeWebKeyboardEvent event = NativeWebKeyboardEventFromKeyEvent( | |
| 220 env, original_key_event, type, modifiers, time_ms, key_code, scan_code, | |
| 221 is_system_key, unicode_char); | |
| 222 rwhva_->SendKeyEvent(event); | |
| 223 return true; | |
| 224 } | |
| 225 | |
| 226 void ImeAdapterAndroid::SetComposingText(JNIEnv* env, | |
| 227 const JavaParamRef<jobject>& obj, | |
| 228 const JavaParamRef<jobject>& text, | |
| 229 const JavaParamRef<jstring>& text_str, | |
| 230 int relative_cursor_pos) { | |
| 231 RenderWidgetHostImpl* rwhi = GetFocusedWidget(); | |
| 232 if (!rwhi) | |
| 233 return; | |
| 234 | |
| 235 base::string16 text16 = ConvertJavaStringToUTF16(env, text_str); | |
| 236 | |
| 237 std::vector<blink::WebCompositionUnderline> underlines = | |
| 238 GetUnderlinesFromSpans(env, obj, text, text16); | |
| 239 | |
| 240 // Default to plain underline if we didn't find any span that we care about. | |
| 241 if (underlines.empty()) { | |
| 242 underlines.push_back(blink::WebCompositionUnderline( | |
| 243 0, text16.length(), SK_ColorBLACK, false, SK_ColorTRANSPARENT)); | |
| 244 } | |
| 245 | |
| 246 // relative_cursor_pos is as described in the Android API for | |
| 247 // InputConnection#setComposingText, whereas the parameters for | |
| 248 // ImeSetComposition are relative to the start of the composition. | |
| 249 if (relative_cursor_pos > 0) | |
| 250 relative_cursor_pos = text16.length() + relative_cursor_pos - 1; | |
| 251 | |
| 252 rwhi->ImeSetComposition(text16, underlines, gfx::Range::InvalidRange(), | |
| 253 relative_cursor_pos, relative_cursor_pos); | |
| 254 } | |
| 255 | |
| 256 void ImeAdapterAndroid::CommitText(JNIEnv* env, | |
| 257 const JavaParamRef<jobject>& obj, | |
| 258 const JavaParamRef<jobject>& text, | |
| 259 const JavaParamRef<jstring>& text_str, | |
| 260 int relative_cursor_pos) { | |
| 261 RenderWidgetHostImpl* rwhi = GetFocusedWidget(); | |
| 262 if (!rwhi) | |
| 263 return; | |
| 264 | |
| 265 base::string16 text16 = ConvertJavaStringToUTF16(env, text_str); | |
| 266 | |
| 267 std::vector<blink::WebCompositionUnderline> underlines = | |
| 268 GetUnderlinesFromSpans(env, obj, text, text16); | |
| 269 | |
| 270 // relative_cursor_pos is as described in the Android API for | |
| 271 // InputConnection#commitText, whereas the parameters for | |
| 272 // ImeConfirmComposition are relative to the end of the composition. | |
| 273 if (relative_cursor_pos > 0) | |
| 274 relative_cursor_pos--; | |
| 275 else | |
| 276 relative_cursor_pos -= text16.length(); | |
| 277 | |
| 278 rwhi->ImeCommitText(text16, underlines, gfx::Range::InvalidRange(), | |
| 279 relative_cursor_pos); | |
| 280 } | |
| 281 | |
| 282 void ImeAdapterAndroid::FinishComposingText(JNIEnv* env, | |
| 283 const JavaParamRef<jobject>&) { | |
| 284 RenderWidgetHostImpl* rwhi = GetFocusedWidget(); | |
| 285 if (!rwhi) | |
| 286 return; | |
| 287 | |
| 288 rwhi->ImeFinishComposingText(true); | |
| 289 } | |
| 290 | |
| 291 void ImeAdapterAndroid::CancelComposition() { | |
| 292 JNIEnv* env = AttachCurrentThread(); | |
| 293 ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env); | |
| 294 if (!obj.is_null()) | |
| 295 Java_ImeAdapter_cancelComposition(env, obj); | |
| 296 } | |
| 297 | |
| 298 void ImeAdapterAndroid::FocusedNodeChanged(bool is_editable_node) { | |
| 299 JNIEnv* env = AttachCurrentThread(); | |
| 300 ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env); | |
| 301 if (!obj.is_null()) { | |
| 302 Java_ImeAdapter_focusedNodeChanged(env, obj, is_editable_node); | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 void ImeAdapterAndroid::SetEditableSelectionOffsets( | |
| 307 JNIEnv*, | |
| 308 const JavaParamRef<jobject>&, | |
| 309 int start, | |
| 310 int end) { | |
| 311 RenderFrameHost* rfh = GetFocusedFrame(); | |
| 312 if (!rfh) | |
| 313 return; | |
| 314 | |
| 315 rfh->Send(new InputMsg_SetEditableSelectionOffsets(rfh->GetRoutingID(), start, | |
| 316 end)); | |
| 317 } | |
| 318 | |
| 319 void ImeAdapterAndroid::SetCharacterBounds( | |
| 320 const std::vector<gfx::RectF>& character_bounds) { | |
| 321 JNIEnv* env = AttachCurrentThread(); | |
| 322 ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env); | |
| 323 if (obj.is_null()) | |
| 324 return; | |
| 325 | |
| 326 const size_t coordinates_array_size = character_bounds.size() * 4; | |
| 327 std::unique_ptr<float[]> coordinates_array(new float[coordinates_array_size]); | |
| 328 for (size_t i = 0; i < character_bounds.size(); ++i) { | |
| 329 const gfx::RectF& rect = character_bounds[i]; | |
| 330 const size_t coordinates_array_index = i * 4; | |
| 331 coordinates_array[coordinates_array_index + 0] = rect.x(); | |
| 332 coordinates_array[coordinates_array_index + 1] = rect.y(); | |
| 333 coordinates_array[coordinates_array_index + 2] = rect.right(); | |
| 334 coordinates_array[coordinates_array_index + 3] = rect.bottom(); | |
| 335 } | |
| 336 Java_ImeAdapter_setCharacterBounds( | |
| 337 env, obj, | |
| 338 base::android::ToJavaFloatArray(env, coordinates_array.get(), | |
| 339 coordinates_array_size)); | |
| 340 } | |
| 341 | |
| 342 void ImeAdapterAndroid::SetComposingRegion(JNIEnv*, | |
| 343 const JavaParamRef<jobject>&, | |
| 344 int start, | |
| 345 int end) { | |
| 346 RenderFrameHost* rfh = GetFocusedFrame(); | |
| 347 if (!rfh) | |
| 348 return; | |
| 349 | |
| 350 std::vector<blink::WebCompositionUnderline> underlines; | |
| 351 underlines.push_back(blink::WebCompositionUnderline( | |
| 352 0, end - start, SK_ColorBLACK, false, SK_ColorTRANSPARENT)); | |
| 353 | |
| 354 rfh->Send(new InputMsg_SetCompositionFromExistingText( | |
| 355 rfh->GetRoutingID(), start, end, underlines)); | |
| 356 } | |
| 357 | |
| 358 void ImeAdapterAndroid::DeleteSurroundingText(JNIEnv*, | |
| 359 const JavaParamRef<jobject>&, | |
| 360 int before, | |
| 361 int after) { | |
| 362 RenderFrameHostImpl* rfh = | |
| 363 static_cast<RenderFrameHostImpl*>(GetFocusedFrame()); | |
| 364 if (rfh) | |
| 365 rfh->DeleteSurroundingText(before, after); | |
| 366 } | |
| 367 | |
| 368 void ImeAdapterAndroid::DeleteSurroundingTextInCodePoints( | |
| 369 JNIEnv*, | |
| 370 const JavaParamRef<jobject>&, | |
| 371 int before, | |
| 372 int after) { | |
| 373 RenderFrameHostImpl* rfh = | |
| 374 static_cast<RenderFrameHostImpl*>(GetFocusedFrame()); | |
| 375 if (rfh) | |
| 376 rfh->DeleteSurroundingTextInCodePoints(before, after); | |
| 377 } | |
| 378 | |
| 379 bool ImeAdapterAndroid::RequestTextInputStateUpdate( | |
| 380 JNIEnv* env, | |
| 381 const JavaParamRef<jobject>&) { | |
| 382 RenderWidgetHostImpl* rwhi = GetFocusedWidget(); | |
| 383 if (!rwhi) | |
| 384 return false; | |
| 385 rwhi->Send(new InputMsg_RequestTextInputStateUpdate(rwhi->GetRoutingID())); | |
| 386 return true; | |
| 387 } | |
| 388 | |
| 389 void ImeAdapterAndroid::RequestCursorUpdate( | |
| 390 JNIEnv* env, | |
| 391 const base::android::JavaParamRef<jobject>& obj, | |
| 392 bool immediate_request, | |
| 393 bool monitor_request) { | |
| 394 RenderWidgetHostImpl* rwhi = GetFocusedWidget(); | |
| 395 if (!rwhi) | |
| 396 return; | |
| 397 rwhi->Send(new InputMsg_RequestCompositionUpdates( | |
| 398 rwhi->GetRoutingID(), immediate_request, monitor_request)); | |
| 399 } | |
| 400 | |
| 401 RenderWidgetHostImpl* ImeAdapterAndroid::GetFocusedWidget() { | |
| 402 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 403 return rwhva_ ? rwhva_->GetFocusedWidget() : nullptr; | |
| 404 } | |
| 405 | |
| 406 RenderFrameHost* ImeAdapterAndroid::GetFocusedFrame() { | |
| 407 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 408 // We get the focused frame from the WebContents of the page. Although | |
| 409 // |rwhva_->GetFocusedWidget()| does a similar thing, there is no direct way | |
| 410 // to get a RenderFrameHost from its RWH. | |
| 411 if (!rwhva_) | |
| 412 return nullptr; | |
| 413 RenderWidgetHostImpl* rwh = | |
| 414 RenderWidgetHostImpl::From(rwhva_->GetRenderWidgetHost()); | |
| 415 if (!rwh || !rwh->delegate()) | |
| 416 return nullptr; | |
| 417 | |
| 418 if (auto* contents = rwh->delegate()->GetAsWebContents()) | |
| 419 return contents->GetFocusedFrame(); | |
| 420 | |
| 421 return nullptr; | |
| 422 } | |
| 423 | |
| 424 std::vector<blink::WebCompositionUnderline> | |
| 425 ImeAdapterAndroid::GetUnderlinesFromSpans( | |
| 426 JNIEnv* env, | |
| 427 const base::android::JavaParamRef<jobject>& obj, | |
| 428 const base::android::JavaParamRef<jobject>& text, | |
| 429 const base::string16& text16) { | |
| 430 std::vector<blink::WebCompositionUnderline> underlines; | |
| 431 // Iterate over spans in |text|, dispatch those that we care about (e.g., | |
| 432 // BackgroundColorSpan) to a matching callback (e.g., | |
| 433 // AppendBackgroundColorSpan()), and populate |underlines|. | |
| 434 Java_ImeAdapter_populateUnderlinesFromSpans( | |
| 435 env, obj, text, reinterpret_cast<jlong>(&underlines)); | |
| 436 | |
| 437 // Sort spans by |.startOffset|. | |
| 438 std::sort(underlines.begin(), underlines.end()); | |
| 439 | |
| 440 return underlines; | |
| 441 } | |
| 442 | |
| 443 } // namespace content | |
| OLD | NEW |
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Chromium Code Reviews
Issue 2827263006:
Revert "Refactor ContentViewClient (6/6)" (Closed)
