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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/child/npapi/webplugin_delegate_impl.h" | |
| 6 | |
| 7 #import <Cocoa/Cocoa.h> | |
| 8 #import <QuartzCore/QuartzCore.h> | |
| 9 #include <stdint.h> | |
| 10 #include <string.h> | |
| 11 #include <unistd.h> | |
| 12 | |
| 13 #include <set> | |
| 14 #include <string> | |
| 15 | |
| 16 #include "base/macros.h" | |
| 17 #include "base/memory/scoped_ptr.h" | |
| 18 #include "base/strings/string_util.h" | |
| 19 #include "base/strings/sys_string_conversions.h" | |
| 20 #include "base/strings/utf_string_conversions.h" | |
| 21 #include "content/child/npapi/plugin_instance.h" | |
| 22 #include "content/child/npapi/plugin_lib.h" | |
| 23 #include "content/child/npapi/plugin_web_event_converter_mac.h" | |
| 24 #include "content/child/npapi/webplugin.h" | |
| 25 #include "content/child/npapi/webplugin_accelerated_surface_mac.h" | |
| 26 #include "content/common/cursors/webcursor.h" | |
| 27 #include "skia/ext/skia_utils_mac.h" | |
| 28 #include "third_party/WebKit/public/web/WebInputEvent.h" | |
| 29 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h" | |
| 30 | |
| 31 using blink::WebKeyboardEvent; | |
| 32 using blink::WebInputEvent; | |
| 33 using blink::WebMouseEvent; | |
| 34 using blink::WebMouseWheelEvent; | |
| 35 | |
| 36 // Important implementation notes: The Mac definition of NPAPI, particularly | |
| 37 // the distinction between windowed and windowless modes, differs from the | |
| 38 // Windows and Linux definitions. Most of those differences are | |
| 39 // accomodated by the WebPluginDelegate class. | |
| 40 | |
| 41 namespace content { | |
| 42 | |
| 43 namespace { | |
| 44 | |
| 45 const int kCoreAnimationRedrawPeriodMs = 10; // 100 Hz | |
| 46 | |
| 47 WebPluginDelegateImpl* g_active_delegate; | |
| 48 | |
| 49 // Helper to simplify correct usage of g_active_delegate. Instantiating will | |
| 50 // set the active delegate to |delegate| for the lifetime of the object, then | |
| 51 // NULL when it goes out of scope. | |
| 52 class ScopedActiveDelegate { | |
| 53 public: | |
| 54 explicit ScopedActiveDelegate(WebPluginDelegateImpl* delegate) { | |
| 55 g_active_delegate = delegate; | |
| 56 } | |
| 57 ~ScopedActiveDelegate() { | |
| 58 g_active_delegate = NULL; | |
| 59 } | |
| 60 | |
| 61 private: | |
| 62 DISALLOW_COPY_AND_ASSIGN(ScopedActiveDelegate); | |
| 63 }; | |
| 64 | |
| 65 } // namespace | |
| 66 | |
| 67 // Helper to build and maintain a model of a drag entering the plugin but not | |
| 68 // starting there. See explanation in PlatformHandleInputEvent. | |
| 69 class ExternalDragTracker { | |
| 70 public: | |
| 71 ExternalDragTracker() : pressed_buttons_(0) {} | |
| 72 | |
| 73 // Returns true if an external drag is in progress. | |
| 74 bool IsDragInProgress() { return pressed_buttons_ != 0; }; | |
| 75 | |
| 76 // Returns true if the given event appears to be related to an external drag. | |
| 77 bool EventIsRelatedToDrag(const WebInputEvent& event); | |
| 78 | |
| 79 // Updates the tracking of whether an external drag is in progress--and if | |
| 80 // so what buttons it involves--based on the given event. | |
| 81 void UpdateDragStateFromEvent(const WebInputEvent& event); | |
| 82 | |
| 83 private: | |
| 84 // Returns the mask for just the button state in a WebInputEvent's modifiers. | |
| 85 static int WebEventButtonModifierMask(); | |
| 86 | |
| 87 // The WebInputEvent modifier flags for any buttons that were down when an | |
| 88 // external drag entered the plugin, and which and are still down now. | |
| 89 int pressed_buttons_; | |
| 90 | |
| 91 DISALLOW_COPY_AND_ASSIGN(ExternalDragTracker); | |
| 92 }; | |
| 93 | |
| 94 void ExternalDragTracker::UpdateDragStateFromEvent(const WebInputEvent& event) { | |
| 95 switch (event.type) { | |
| 96 case WebInputEvent::MouseEnter: | |
| 97 pressed_buttons_ = event.modifiers & WebEventButtonModifierMask(); | |
| 98 break; | |
| 99 case WebInputEvent::MouseUp: { | |
| 100 const WebMouseEvent* mouse_event = | |
| 101 static_cast<const WebMouseEvent*>(&event); | |
| 102 if (mouse_event->button == WebMouseEvent::ButtonLeft) | |
| 103 pressed_buttons_ &= ~WebInputEvent::LeftButtonDown; | |
| 104 if (mouse_event->button == WebMouseEvent::ButtonMiddle) | |
| 105 pressed_buttons_ &= ~WebInputEvent::MiddleButtonDown; | |
| 106 if (mouse_event->button == WebMouseEvent::ButtonRight) | |
| 107 pressed_buttons_ &= ~WebInputEvent::RightButtonDown; | |
| 108 break; | |
| 109 } | |
| 110 default: | |
| 111 break; | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 bool ExternalDragTracker::EventIsRelatedToDrag(const WebInputEvent& event) { | |
| 116 const WebMouseEvent* mouse_event = static_cast<const WebMouseEvent*>(&event); | |
| 117 switch (event.type) { | |
| 118 case WebInputEvent::MouseUp: | |
| 119 // We only care about release of buttons that were part of the drag. | |
| 120 return ((mouse_event->button == WebMouseEvent::ButtonLeft && | |
| 121 (pressed_buttons_ & WebInputEvent::LeftButtonDown)) || | |
| 122 (mouse_event->button == WebMouseEvent::ButtonMiddle && | |
| 123 (pressed_buttons_ & WebInputEvent::MiddleButtonDown)) || | |
| 124 (mouse_event->button == WebMouseEvent::ButtonRight && | |
| 125 (pressed_buttons_ & WebInputEvent::RightButtonDown))); | |
| 126 case WebInputEvent::MouseEnter: | |
| 127 return (event.modifiers & WebEventButtonModifierMask()) != 0; | |
| 128 case WebInputEvent::MouseLeave: | |
| 129 case WebInputEvent::MouseMove: { | |
| 130 int event_buttons = (event.modifiers & WebEventButtonModifierMask()); | |
| 131 return (pressed_buttons_ && | |
| 132 pressed_buttons_ == event_buttons); | |
| 133 } | |
| 134 default: | |
| 135 return false; | |
| 136 } | |
| 137 return false; | |
| 138 } | |
| 139 | |
| 140 int ExternalDragTracker::WebEventButtonModifierMask() { | |
| 141 return WebInputEvent::LeftButtonDown | | |
| 142 WebInputEvent::RightButtonDown | | |
| 143 WebInputEvent::MiddleButtonDown; | |
| 144 } | |
| 145 | |
| 146 #pragma mark - | |
| 147 #pragma mark Core WebPluginDelegate implementation | |
| 148 | |
| 149 WebPluginDelegateImpl::WebPluginDelegateImpl( | |
| 150 WebPlugin* plugin, | |
| 151 PluginInstance* instance) | |
| 152 : plugin_(plugin), | |
| 153 instance_(instance), | |
| 154 quirks_(0), | |
| 155 use_buffer_context_(true), | |
| 156 buffer_context_(NULL), | |
| 157 layer_(nil), | |
| 158 surface_(NULL), | |
| 159 renderer_(nil), | |
| 160 containing_window_has_focus_(false), | |
| 161 initial_window_focus_(false), | |
| 162 container_is_visible_(false), | |
| 163 have_called_set_window_(false), | |
| 164 ime_enabled_(false), | |
| 165 keyup_ignore_count_(0), | |
| 166 external_drag_tracker_(new ExternalDragTracker()), | |
| 167 handle_event_depth_(0), | |
| 168 first_set_window_call_(true), | |
| 169 plugin_has_focus_(false), | |
| 170 has_webkit_focus_(false), | |
| 171 containing_view_has_focus_(true), | |
| 172 creation_succeeded_(false) { | |
| 173 memset(&window_, 0, sizeof(window_)); | |
| 174 } | |
| 175 | |
| 176 WebPluginDelegateImpl::~WebPluginDelegateImpl() { | |
| 177 DestroyInstance(); | |
| 178 } | |
| 179 | |
| 180 bool WebPluginDelegateImpl::PlatformInitialize() { | |
| 181 // Don't set a NULL window handle on destroy for Mac plugins. This matches | |
| 182 // Safari and other Mac browsers (see PluginView::stop() in PluginView.cpp, | |
| 183 // where code to do so is surrounded by an #ifdef that excludes Mac OS X, or | |
| 184 // destroyPlugin in WebNetscapePluginView.mm, for examples). | |
| 185 quirks_ |= PLUGIN_QUIRK_DONT_SET_NULL_WINDOW_HANDLE_ON_DESTROY; | |
| 186 | |
| 187 // Mac plugins don't expect to be unloaded, and they don't always do so | |
| 188 // cleanly, so don't unload them at shutdown. | |
| 189 instance()->plugin_lib()->PreventLibraryUnload(); | |
| 190 | |
| 191 #ifndef NP_NO_CARBON | |
| 192 if (instance()->event_model() == NPEventModelCarbon) | |
| 193 return false; | |
| 194 #endif | |
| 195 | |
| 196 window_.type = NPWindowTypeDrawable; | |
| 197 NPDrawingModel drawing_model = instance()->drawing_model(); | |
| 198 switch (drawing_model) { | |
| 199 #ifndef NP_NO_QUICKDRAW | |
| 200 case NPDrawingModelQuickDraw: | |
| 201 return false; | |
| 202 #endif | |
| 203 case NPDrawingModelCoreGraphics: | |
| 204 break; | |
| 205 case NPDrawingModelCoreAnimation: | |
| 206 case NPDrawingModelInvalidatingCoreAnimation: { | |
| 207 // Ask the plugin for the CALayer it created for rendering content. | |
| 208 // Create a surface to host it, and request a "window" handle to identify | |
| 209 // the surface. | |
| 210 CALayer* layer = nil; | |
| 211 NPError err = instance()->NPP_GetValue(NPPVpluginCoreAnimationLayer, | |
| 212 reinterpret_cast<void*>(&layer)); | |
| 213 if (!err) { | |
| 214 if (drawing_model == NPDrawingModelCoreAnimation) { | |
| 215 // Create the timer; it will be started when we get a window handle. | |
| 216 redraw_timer_.reset(new base::RepeatingTimer); | |
| 217 } | |
| 218 layer_ = layer; | |
| 219 | |
| 220 gfx::GpuPreference gpu_preference = gfx::PreferDiscreteGpu; | |
| 221 // On dual GPU systems, force the use of the discrete GPU for | |
| 222 // the CARenderer underlying our Core Animation backend for | |
| 223 // all plugins except Flash. For some reason Unity3D's output | |
| 224 // doesn't show up if the integrated GPU is used. Safari keeps | |
| 225 // even Flash 11 with Stage3D on the integrated GPU, so mirror | |
| 226 // that behavior here. | |
| 227 const WebPluginInfo& plugin_info = | |
| 228 instance_->plugin_lib()->plugin_info(); | |
| 229 if (plugin_info.name.find(base::ASCIIToUTF16("Flash")) != | |
| 230 base::string16::npos) | |
| 231 gpu_preference = gfx::PreferIntegratedGpu; | |
| 232 surface_ = plugin_->GetAcceleratedSurface(gpu_preference); | |
| 233 | |
| 234 // If surface initialization fails for some reason, just continue | |
| 235 // without any drawing; returning false would be a more confusing user | |
| 236 // experience (since it triggers a missing plugin placeholder). | |
| 237 if (surface_ && surface_->context()) { | |
| 238 renderer_ = [[CARenderer rendererWithCGLContext:surface_->context() | |
| 239 options:NULL] retain]; | |
| 240 [renderer_ setLayer:layer_]; | |
| 241 plugin_->AcceleratedPluginEnabledRendering(); | |
| 242 } | |
| 243 } | |
| 244 break; | |
| 245 } | |
| 246 default: | |
| 247 NOTREACHED(); | |
| 248 break; | |
| 249 } | |
| 250 | |
| 251 return true; | |
| 252 } | |
| 253 | |
| 254 void WebPluginDelegateImpl::PlatformDestroyInstance() { | |
| 255 if (redraw_timer_) | |
| 256 redraw_timer_->Stop(); | |
| 257 [renderer_ release]; | |
| 258 renderer_ = nil; | |
| 259 layer_ = nil; | |
| 260 } | |
| 261 | |
| 262 void WebPluginDelegateImpl::UpdateGeometryAndContext( | |
| 263 const gfx::Rect& window_rect, const gfx::Rect& clip_rect, | |
| 264 CGContextRef context) { | |
| 265 buffer_context_ = context; | |
| 266 UpdateGeometry(window_rect, clip_rect); | |
| 267 } | |
| 268 | |
| 269 void WebPluginDelegateImpl::Paint(SkCanvas* canvas, const gfx::Rect& rect) { | |
| 270 skia::SkiaBitLocker bit_locker(canvas); | |
| 271 CGContextRef context = bit_locker.cgContext(); | |
| 272 CGPaint(context, rect); | |
| 273 } | |
| 274 | |
| 275 void WebPluginDelegateImpl::CGPaint(CGContextRef context, | |
| 276 const gfx::Rect& rect) { | |
| 277 WindowlessPaint(context, rect); | |
| 278 } | |
| 279 | |
| 280 bool WebPluginDelegateImpl::PlatformHandleInputEvent( | |
| 281 const WebInputEvent& event, WebCursor::CursorInfo* cursor_info) { | |
| 282 DCHECK(cursor_info != NULL); | |
| 283 | |
| 284 // If an event comes in before the plugin has been set up, bail. | |
| 285 if (!have_called_set_window_) | |
| 286 return false; | |
| 287 | |
| 288 // WebKit sometimes sends spurious mouse move events when the window doesn't | |
| 289 // have focus; Cocoa event model plugins don't expect to receive mouse move | |
| 290 // events when they are in a background window, so drop those events. | |
| 291 if (!containing_window_has_focus_ && | |
| 292 (event.type == WebInputEvent::MouseMove || | |
| 293 event.type == WebInputEvent::MouseEnter || | |
| 294 event.type == WebInputEvent::MouseLeave)) { | |
| 295 return false; | |
| 296 } | |
| 297 | |
| 298 if (WebInputEvent::isMouseEventType(event.type) || | |
| 299 event.type == WebInputEvent::MouseWheel) { | |
| 300 // Check our plugin location before we send the event to the plugin, just | |
| 301 // in case we somehow missed a plugin frame change. | |
| 302 const WebMouseEvent* mouse_event = | |
| 303 static_cast<const WebMouseEvent*>(&event); | |
| 304 gfx::Point content_origin( | |
| 305 mouse_event->globalX - mouse_event->x - window_rect_.x(), | |
| 306 mouse_event->globalY - mouse_event->y - window_rect_.y()); | |
| 307 if (content_origin.x() != content_area_origin_.x() || | |
| 308 content_origin.y() != content_area_origin_.y()) { | |
| 309 DLOG(WARNING) << "Stale plugin content area location: " | |
| 310 << content_area_origin_.ToString() << " instead of " | |
| 311 << content_origin.ToString(); | |
| 312 SetContentAreaOrigin(content_origin); | |
| 313 } | |
| 314 | |
| 315 current_windowless_cursor_.GetCursorInfo(cursor_info); | |
| 316 } | |
| 317 | |
| 318 // Per the Cocoa Plugin IME spec, plugins shoudn't receive keydown or keyup | |
| 319 // events while composition is in progress. Treat them as handled, however, | |
| 320 // since IME is consuming them on behalf of the plugin. | |
| 321 if ((event.type == WebInputEvent::KeyDown && ime_enabled_) || | |
| 322 (event.type == WebInputEvent::KeyUp && keyup_ignore_count_)) { | |
| 323 // Composition ends on a keydown, so ime_enabled_ will be false at keyup; | |
| 324 // because the keydown wasn't sent to the plugin, the keyup shouldn't be | |
| 325 // either (per the spec). | |
| 326 if (event.type == WebInputEvent::KeyDown) | |
| 327 ++keyup_ignore_count_; | |
| 328 else | |
| 329 --keyup_ignore_count_; | |
| 330 return true; | |
| 331 } | |
| 332 | |
| 333 ScopedActiveDelegate active_delegate(this); | |
| 334 | |
| 335 // Create the plugin event structure. | |
| 336 scoped_ptr<PluginWebEventConverter> event_converter( | |
| 337 new PluginWebEventConverter); | |
| 338 if (!event_converter->InitWithEvent(event)) { | |
| 339 // Silently consume any keyboard event types that aren't handled, so that | |
| 340 // they don't fall through to the page. | |
| 341 if (WebInputEvent::isKeyboardEventType(event.type)) | |
| 342 return true; | |
| 343 return false; | |
| 344 } | |
| 345 NPCocoaEvent* plugin_event = event_converter->plugin_event(); | |
| 346 | |
| 347 // The plugin host receives events related to drags starting outside the | |
| 348 // plugin, but the NPAPI Cocoa event model spec says plugins shouldn't receive | |
| 349 // them, so filter them out. | |
| 350 // If WebKit adds a page capture mode (like the plugin capture mode that | |
| 351 // handles drags starting inside) this can be removed. | |
| 352 bool drag_related = external_drag_tracker_->EventIsRelatedToDrag(event); | |
| 353 external_drag_tracker_->UpdateDragStateFromEvent(event); | |
| 354 if (drag_related) { | |
| 355 if (event.type == WebInputEvent::MouseUp && | |
| 356 !external_drag_tracker_->IsDragInProgress()) { | |
| 357 // When an external drag ends, we need to synthesize a MouseEntered. | |
| 358 NPCocoaEvent enter_event = *plugin_event; | |
| 359 enter_event.type = NPCocoaEventMouseEntered; | |
| 360 ScopedCurrentPluginEvent event_scope(instance(), &enter_event); | |
| 361 instance()->NPP_HandleEvent(&enter_event); | |
| 362 } | |
| 363 return false; | |
| 364 } | |
| 365 | |
| 366 // Send the plugin the event. | |
| 367 scoped_ptr<ScopedCurrentPluginEvent> event_scope( | |
| 368 new ScopedCurrentPluginEvent(instance(), plugin_event)); | |
| 369 int16_t handle_response = instance()->NPP_HandleEvent(plugin_event); | |
| 370 bool handled = handle_response != kNPEventNotHandled; | |
| 371 | |
| 372 // Start IME if requested by the plugin. | |
| 373 if (handled && handle_response == kNPEventStartIME && | |
| 374 event.type == WebInputEvent::KeyDown) { | |
| 375 StartIme(); | |
| 376 ++keyup_ignore_count_; | |
| 377 } | |
| 378 | |
| 379 // Plugins don't give accurate information about whether or not they handled | |
| 380 // events, so browsers on the Mac ignore the return value. | |
| 381 // Scroll events are the exception, since the Cocoa spec defines a meaning | |
| 382 // for the return value. | |
| 383 if (WebInputEvent::isMouseEventType(event.type)) { | |
| 384 handled = true; | |
| 385 } else if (WebInputEvent::isKeyboardEventType(event.type)) { | |
| 386 // For Command-key events, trust the return value since eating all menu | |
| 387 // shortcuts is not ideal. | |
| 388 // TODO(stuartmorgan): Implement the advanced key handling spec, and trust | |
| 389 // trust the key event return value from plugins that implement it. | |
| 390 if (!(event.modifiers & WebInputEvent::MetaKey)) | |
| 391 handled = true; | |
| 392 } | |
| 393 | |
| 394 return handled; | |
| 395 } | |
| 396 | |
| 397 #pragma mark - | |
| 398 | |
| 399 void WebPluginDelegateImpl::WindowlessUpdateGeometry( | |
| 400 const gfx::Rect& window_rect, | |
| 401 const gfx::Rect& clip_rect) { | |
| 402 gfx::Rect old_clip_rect = clip_rect_; | |
| 403 cached_clip_rect_ = clip_rect; | |
| 404 if (container_is_visible_) // Remove check when cached_clip_rect_ is removed. | |
| 405 clip_rect_ = clip_rect; | |
| 406 bool clip_rect_changed = (clip_rect_ != old_clip_rect); | |
| 407 bool window_size_changed = (window_rect.size() != window_rect_.size()); | |
| 408 | |
| 409 if (window_rect == window_rect_ && !clip_rect_changed) | |
| 410 return; | |
| 411 | |
| 412 if (old_clip_rect.IsEmpty() != clip_rect_.IsEmpty()) { | |
| 413 PluginVisibilityChanged(); | |
| 414 } | |
| 415 | |
| 416 SetPluginRect(window_rect); | |
| 417 | |
| 418 if (window_size_changed || clip_rect_changed) | |
| 419 WindowlessSetWindow(); | |
| 420 } | |
| 421 | |
| 422 void WebPluginDelegateImpl::WindowlessPaint(gfx::NativeDrawingContext context, | |
| 423 const gfx::Rect& damage_rect) { | |
| 424 // If we get a paint event before we are completely set up (e.g., a nested | |
| 425 // call while the plugin is still in NPP_SetWindow), bail. | |
| 426 if (!have_called_set_window_ || (use_buffer_context_ && !buffer_context_)) | |
| 427 return; | |
| 428 DCHECK(!use_buffer_context_ || buffer_context_ == context); | |
| 429 | |
| 430 gfx::Rect paint_rect = damage_rect; | |
| 431 if (use_buffer_context_) { | |
| 432 // Plugin invalidates trigger asynchronous paints with the original | |
| 433 // invalidation rect; the plugin may be resized before the paint is handled, | |
| 434 // so we need to ensure that the damage rect is still sane. | |
| 435 paint_rect.Intersect( | |
| 436 gfx::Rect(0, 0, window_rect_.width(), window_rect_.height())); | |
| 437 } else { | |
| 438 // Use the actual window region when drawing directly to the window context. | |
| 439 paint_rect.Intersect(window_rect_); | |
| 440 } | |
| 441 | |
| 442 ScopedActiveDelegate active_delegate(this); | |
| 443 | |
| 444 CGContextSaveGState(context); | |
| 445 | |
| 446 if (!use_buffer_context_) { | |
| 447 // Reposition the context origin so that plugins will draw at the correct | |
| 448 // location in the window. | |
| 449 CGContextClipToRect(context, paint_rect.ToCGRect()); | |
| 450 CGContextTranslateCTM(context, window_rect_.x(), window_rect_.y()); | |
| 451 } | |
| 452 | |
| 453 NPCocoaEvent paint_event; | |
| 454 memset(&paint_event, 0, sizeof(NPCocoaEvent)); | |
| 455 paint_event.type = NPCocoaEventDrawRect; | |
| 456 paint_event.data.draw.context = context; | |
| 457 paint_event.data.draw.x = paint_rect.x(); | |
| 458 paint_event.data.draw.y = paint_rect.y(); | |
| 459 paint_event.data.draw.width = paint_rect.width(); | |
| 460 paint_event.data.draw.height = paint_rect.height(); | |
| 461 instance()->NPP_HandleEvent(&paint_event); | |
| 462 | |
| 463 if (use_buffer_context_) { | |
| 464 // The backing buffer can change during the call to NPP_HandleEvent, in | |
| 465 // which case the old context is (or is about to be) invalid. | |
| 466 if (context == buffer_context_) | |
| 467 CGContextRestoreGState(context); | |
| 468 } else { | |
| 469 // Always restore the context to the saved state. | |
| 470 CGContextRestoreGState(context); | |
| 471 } | |
| 472 } | |
| 473 | |
| 474 void WebPluginDelegateImpl::WindowlessSetWindow() { | |
| 475 if (!instance()) | |
| 476 return; | |
| 477 | |
| 478 window_.x = 0; | |
| 479 window_.y = 0; | |
| 480 window_.height = window_rect_.height(); | |
| 481 window_.width = window_rect_.width(); | |
| 482 window_.clipRect.left = clip_rect_.x(); | |
| 483 window_.clipRect.top = clip_rect_.y(); | |
| 484 window_.clipRect.right = clip_rect_.x() + clip_rect_.width(); | |
| 485 window_.clipRect.bottom = clip_rect_.y() + clip_rect_.height(); | |
| 486 | |
| 487 NPError err = instance()->NPP_SetWindow(&window_); | |
| 488 | |
| 489 // Send an appropriate window focus event after the first SetWindow. | |
| 490 if (!have_called_set_window_) { | |
| 491 have_called_set_window_ = true; | |
| 492 SetWindowHasFocus(initial_window_focus_); | |
| 493 } | |
| 494 | |
| 495 DCHECK(err == NPERR_NO_ERROR); | |
| 496 } | |
| 497 | |
| 498 #pragma mark - | |
| 499 | |
| 500 #pragma mark - | |
| 501 #pragma mark Mac Extensions | |
| 502 | |
| 503 void WebPluginDelegateImpl::PluginDidInvalidate() { | |
| 504 if (instance()->drawing_model() == NPDrawingModelInvalidatingCoreAnimation) | |
| 505 DrawLayerInSurface(); | |
| 506 } | |
| 507 | |
| 508 WebPluginDelegateImpl* WebPluginDelegateImpl::GetActiveDelegate() { | |
| 509 return g_active_delegate; | |
| 510 } | |
| 511 | |
| 512 void WebPluginDelegateImpl::SetWindowHasFocus(bool has_focus) { | |
| 513 // If we get a window focus event before calling SetWindow, just remember the | |
| 514 // states (WindowlessSetWindow will then send it on the first call). | |
| 515 if (!have_called_set_window_) { | |
| 516 initial_window_focus_ = has_focus; | |
| 517 return; | |
| 518 } | |
| 519 | |
| 520 if (has_focus == containing_window_has_focus_) | |
| 521 return; | |
| 522 containing_window_has_focus_ = has_focus; | |
| 523 | |
| 524 ScopedActiveDelegate active_delegate(this); | |
| 525 NPCocoaEvent focus_event; | |
| 526 memset(&focus_event, 0, sizeof(focus_event)); | |
| 527 focus_event.type = NPCocoaEventWindowFocusChanged; | |
| 528 focus_event.data.focus.hasFocus = has_focus; | |
| 529 instance()->NPP_HandleEvent(&focus_event); | |
| 530 } | |
| 531 | |
| 532 bool WebPluginDelegateImpl::PlatformSetPluginHasFocus(bool focused) { | |
| 533 if (!have_called_set_window_) | |
| 534 return false; | |
| 535 | |
| 536 plugin_->FocusChanged(focused); | |
| 537 | |
| 538 ScopedActiveDelegate active_delegate(this); | |
| 539 | |
| 540 NPCocoaEvent focus_event; | |
| 541 memset(&focus_event, 0, sizeof(focus_event)); | |
| 542 focus_event.type = NPCocoaEventFocusChanged; | |
| 543 focus_event.data.focus.hasFocus = focused; | |
| 544 instance()->NPP_HandleEvent(&focus_event); | |
| 545 | |
| 546 return true; | |
| 547 } | |
| 548 | |
| 549 void WebPluginDelegateImpl::SetContainerVisibility(bool is_visible) { | |
| 550 if (is_visible == container_is_visible_) | |
| 551 return; | |
| 552 container_is_visible_ = is_visible; | |
| 553 | |
| 554 // TODO(stuartmorgan): This is a temporary workarond for | |
| 555 // <http://crbug.com/34266>. When that is fixed, the cached_clip_rect_ code | |
| 556 // should all be removed. | |
| 557 if (is_visible) { | |
| 558 clip_rect_ = cached_clip_rect_; | |
| 559 } else { | |
| 560 clip_rect_.set_width(0); | |
| 561 clip_rect_.set_height(0); | |
| 562 } | |
| 563 | |
| 564 // If the plugin is changing visibility, let the plugin know. If it's scrolled | |
| 565 // off screen (i.e., cached_clip_rect_ is empty), then container visibility | |
| 566 // doesn't change anything. | |
| 567 if (!cached_clip_rect_.IsEmpty()) { | |
| 568 PluginVisibilityChanged(); | |
| 569 WindowlessSetWindow(); | |
| 570 } | |
| 571 | |
| 572 // When the plugin become visible, send an empty invalidate. If there were any | |
| 573 // pending invalidations this will trigger a paint event for the damaged | |
| 574 // region, and if not it's a no-op. This is necessary since higher levels | |
| 575 // that would normally do this weren't responsible for the clip_rect_ change). | |
| 576 if (!clip_rect_.IsEmpty()) | |
| 577 instance()->webplugin()->InvalidateRect(gfx::Rect()); | |
| 578 } | |
| 579 | |
| 580 void WebPluginDelegateImpl::WindowFrameChanged(const gfx::Rect& window_frame, | |
| 581 const gfx::Rect& view_frame) { | |
| 582 instance()->set_window_frame(window_frame); | |
| 583 SetContentAreaOrigin(gfx::Point(view_frame.x(), view_frame.y())); | |
| 584 } | |
| 585 | |
| 586 void WebPluginDelegateImpl::ImeCompositionCompleted( | |
| 587 const base::string16& text) { | |
| 588 ime_enabled_ = false; | |
| 589 | |
| 590 // If |text| is empty this was just called to tell us composition was | |
| 591 // cancelled externally (e.g., the user pressed esc). | |
| 592 if (!text.empty()) { | |
| 593 NPCocoaEvent text_event; | |
| 594 memset(&text_event, 0, sizeof(NPCocoaEvent)); | |
| 595 text_event.type = NPCocoaEventTextInput; | |
| 596 text_event.data.text.text = | |
| 597 reinterpret_cast<NPNSString*>(base::SysUTF16ToNSString(text)); | |
| 598 instance()->NPP_HandleEvent(&text_event); | |
| 599 } | |
| 600 } | |
| 601 | |
| 602 void WebPluginDelegateImpl::SetNSCursor(NSCursor* cursor) { | |
| 603 current_windowless_cursor_.InitFromNSCursor(cursor); | |
| 604 } | |
| 605 | |
| 606 void WebPluginDelegateImpl::SetNoBufferContext() { | |
| 607 use_buffer_context_ = false; | |
| 608 } | |
| 609 | |
| 610 #pragma mark - | |
| 611 #pragma mark Internal Tracking | |
| 612 | |
| 613 void WebPluginDelegateImpl::SetPluginRect(const gfx::Rect& rect) { | |
| 614 bool plugin_size_changed = rect.width() != window_rect_.width() || | |
| 615 rect.height() != window_rect_.height(); | |
| 616 window_rect_ = rect; | |
| 617 PluginScreenLocationChanged(); | |
| 618 if (plugin_size_changed) | |
| 619 UpdateAcceleratedSurface(); | |
| 620 } | |
| 621 | |
| 622 void WebPluginDelegateImpl::SetContentAreaOrigin(const gfx::Point& origin) { | |
| 623 content_area_origin_ = origin; | |
| 624 PluginScreenLocationChanged(); | |
| 625 } | |
| 626 | |
| 627 void WebPluginDelegateImpl::PluginScreenLocationChanged() { | |
| 628 gfx::Point plugin_origin(content_area_origin_.x() + window_rect_.x(), | |
| 629 content_area_origin_.y() + window_rect_.y()); | |
| 630 instance()->set_plugin_origin(plugin_origin); | |
| 631 } | |
| 632 | |
| 633 void WebPluginDelegateImpl::PluginVisibilityChanged() { | |
| 634 if (instance()->drawing_model() == NPDrawingModelCoreAnimation) { | |
| 635 bool plugin_visible = container_is_visible_ && !clip_rect_.IsEmpty(); | |
| 636 if (plugin_visible && !redraw_timer_->IsRunning()) { | |
| 637 redraw_timer_->Start(FROM_HERE, | |
| 638 base::TimeDelta::FromMilliseconds(kCoreAnimationRedrawPeriodMs), | |
| 639 this, &WebPluginDelegateImpl::DrawLayerInSurface); | |
| 640 } else if (!plugin_visible) { | |
| 641 redraw_timer_->Stop(); | |
| 642 } | |
| 643 } | |
| 644 } | |
| 645 | |
| 646 void WebPluginDelegateImpl::StartIme() { | |
| 647 if (ime_enabled_) | |
| 648 return; | |
| 649 ime_enabled_ = true; | |
| 650 plugin_->StartIme(); | |
| 651 } | |
| 652 | |
| 653 #pragma mark - | |
| 654 #pragma mark Core Animation Support | |
| 655 | |
| 656 void WebPluginDelegateImpl::DrawLayerInSurface() { | |
| 657 // If we haven't plumbed up the surface yet, don't try to draw. | |
| 658 if (!renderer_) | |
| 659 return; | |
| 660 | |
| 661 [renderer_ beginFrameAtTime:CACurrentMediaTime() timeStamp:NULL]; | |
| 662 if (CGRectIsEmpty([renderer_ updateBounds])) { | |
| 663 // If nothing has changed, we are done. | |
| 664 [renderer_ endFrame]; | |
| 665 return; | |
| 666 } | |
| 667 | |
| 668 surface_->StartDrawing(); | |
| 669 | |
| 670 CGRect layerRect = [layer_ bounds]; | |
| 671 [renderer_ addUpdateRect:layerRect]; | |
| 672 [renderer_ render]; | |
| 673 [renderer_ endFrame]; | |
| 674 | |
| 675 surface_->EndDrawing(); | |
| 676 } | |
| 677 | |
| 678 // Update the size of the surface to match the current size of the plugin. | |
| 679 void WebPluginDelegateImpl::UpdateAcceleratedSurface() { | |
| 680 if (!surface_ || !layer_) | |
| 681 return; | |
| 682 | |
| 683 [CATransaction begin]; | |
| 684 [CATransaction setValue:[NSNumber numberWithInt:0] | |
| 685 forKey:kCATransactionAnimationDuration]; | |
| 686 [layer_ setFrame:CGRectMake(0, 0, | |
| 687 window_rect_.width(), window_rect_.height())]; | |
| 688 [CATransaction commit]; | |
| 689 | |
| 690 [renderer_ setBounds:[layer_ bounds]]; | |
| 691 surface_->SetSize(window_rect_.size()); | |
| 692 // Kick off the drawing timer, if necessary. | |
| 693 PluginVisibilityChanged(); | |
| 694 } | |
| 695 | |
| 696 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1851093005:
Remove content/child/npapi (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@remove_combined_01_02