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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_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ | 5 #ifndef CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ |
6 #define CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ | 6 #define CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
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91 void Paint(SkCanvas* canvas, const gfx::Rect& rect) override; | 91 void Paint(SkCanvas* canvas, const gfx::Rect& rect) override; |
92 void SetFocus(bool focused) override; | 92 void SetFocus(bool focused) override; |
93 bool HandleInputEvent(const blink::WebInputEvent& event, | 93 bool HandleInputEvent(const blink::WebInputEvent& event, |
94 WebCursor::CursorInfo* cursor_info) override; | 94 WebCursor::CursorInfo* cursor_info) override; |
95 NPObject* GetPluginScriptableObject() override; | 95 NPObject* GetPluginScriptableObject() override; |
96 NPP GetPluginNPP() override; | 96 NPP GetPluginNPP() override; |
97 bool GetFormValue(base::string16* value) override; | 97 bool GetFormValue(base::string16* value) override; |
98 int GetProcessId() override; | 98 int GetProcessId() override; |
99 // End of WebPluginDelegate implementation. | 99 // End of WebPluginDelegate implementation. |
100 | 100 |
101 gfx::PluginWindowHandle windowed_handle() const { return windowed_handle_; } | |
102 bool IsWindowless() const { return windowless_; } | |
103 PluginInstance* instance() { return instance_.get(); } | 101 PluginInstance* instance() { return instance_.get(); } |
104 gfx::Rect GetRect() const { return window_rect_; } | 102 gfx::Rect GetRect() const { return window_rect_; } |
105 gfx::Rect GetClipRect() const { return clip_rect_; } | 103 gfx::Rect GetClipRect() const { return clip_rect_; } |
106 | 104 |
107 // Returns the path for the library implementing this plugin. | 105 // Returns the path for the library implementing this plugin. |
108 base::FilePath GetPluginPath(); | 106 base::FilePath GetPluginPath(); |
109 | 107 |
110 // Returns a combination of PluginQuirks. | 108 // Returns a combination of PluginQuirks. |
111 int GetQuirks() const { return quirks_; } | 109 int GetQuirks() const { return quirks_; } |
112 | 110 |
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170 WebPluginDelegateImpl(WebPlugin* plugin, PluginInstance* instance); | 168 WebPluginDelegateImpl(WebPlugin* plugin, PluginInstance* instance); |
171 ~WebPluginDelegateImpl() override; | 169 ~WebPluginDelegateImpl() override; |
172 | 170 |
173 // Called by Initialize() for platform-specific initialization. | 171 // Called by Initialize() for platform-specific initialization. |
174 // If this returns false, the plugin shouldn't be started--see Initialize(). | 172 // If this returns false, the plugin shouldn't be started--see Initialize(). |
175 bool PlatformInitialize(); | 173 bool PlatformInitialize(); |
176 | 174 |
177 // Called by DestroyInstance(), used for platform-specific destruction. | 175 // Called by DestroyInstance(), used for platform-specific destruction. |
178 void PlatformDestroyInstance(); | 176 void PlatformDestroyInstance(); |
179 | 177 |
180 //-------------------------- | |
181 // used for windowed plugins | |
182 void WindowedUpdateGeometry(const gfx::Rect& window_rect, | |
183 const gfx::Rect& clip_rect); | |
184 // Create the native window. | |
185 // Returns true if the window is created (or already exists). | |
186 // Returns false if unable to create the window. | |
187 bool WindowedCreatePlugin(); | |
188 | |
189 // Destroy the native window. | |
190 void WindowedDestroyWindow(); | |
191 | |
192 // Reposition the native window to be in sync with the given geometry. | |
193 // Returns true if the native window has moved or been clipped differently. | |
194 bool WindowedReposition(const gfx::Rect& window_rect, | |
195 const gfx::Rect& clip_rect); | |
196 | |
197 // Tells the plugin about the current state of the window. | |
198 // See NPAPI NPP_SetWindow for more information. | |
199 void WindowedSetWindow(); | |
200 | |
201 #if defined(OS_WIN) | 178 #if defined(OS_WIN) |
202 // Registers the window class for our window | |
203 ATOM RegisterNativeWindowClass(); | |
204 | |
205 // Our WndProc functions. | 179 // Our WndProc functions. |
206 static LRESULT CALLBACK WrapperWindowProc( | |
207 HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); | |
208 static LRESULT CALLBACK NativeWndProc( | |
209 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam); | |
210 static LRESULT CALLBACK FlashWindowlessWndProc( | 180 static LRESULT CALLBACK FlashWindowlessWndProc( |
211 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam); | 181 HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam); |
212 static LRESULT CALLBACK DummyWindowProc( | 182 static LRESULT CALLBACK DummyWindowProc( |
213 HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); | 183 HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); |
214 | 184 |
215 // Used for throttling Flash messages. | 185 // Used for throttling Flash messages. |
216 static void ClearThrottleQueueForWindow(HWND window); | 186 static void ClearThrottleQueueForWindow(HWND window); |
217 static void OnThrottleMessage(); | 187 static void OnThrottleMessage(); |
218 static void ThrottleMessage(WNDPROC proc, HWND hwnd, UINT message, | 188 static void ThrottleMessage(WNDPROC proc, HWND hwnd, UINT message, |
219 WPARAM wParam, LPARAM lParam); | 189 WPARAM wParam, LPARAM lParam); |
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242 | 212 |
243 // Does platform-specific event handling. Arguments and return are identical | 213 // Does platform-specific event handling. Arguments and return are identical |
244 // to HandleInputEvent. | 214 // to HandleInputEvent. |
245 bool PlatformHandleInputEvent(const blink::WebInputEvent& event, | 215 bool PlatformHandleInputEvent(const blink::WebInputEvent& event, |
246 WebCursor::CursorInfo* cursor_info); | 216 WebCursor::CursorInfo* cursor_info); |
247 | 217 |
248 // Closes down and destroys our plugin instance. | 218 // Closes down and destroys our plugin instance. |
249 void DestroyInstance(); | 219 void DestroyInstance(); |
250 | 220 |
251 | 221 |
252 // used for windowed plugins | |
253 // Note: on Mac OS X, the only time the windowed handle is non-zero | 222 // Note: on Mac OS X, the only time the windowed handle is non-zero |
254 // is the case of accelerated rendering, which uses a fake window handle to | 223 // is the case of accelerated rendering, which uses a fake window handle to |
255 // identify itself back to the browser. It still performs all of its | 224 // identify itself back to the browser. It still performs all of its |
256 // work offscreen. | 225 // work offscreen. |
257 gfx::PluginWindowHandle windowed_handle_; | |
258 gfx::Rect windowed_last_pos_; | |
259 | |
260 bool windowed_did_set_window_; | |
261 | |
262 // used by windowed and windowless plugins | |
263 bool windowless_; | |
264 | 226 |
265 WebPlugin* plugin_; | 227 WebPlugin* plugin_; |
266 scoped_refptr<PluginInstance> instance_; | 228 scoped_refptr<PluginInstance> instance_; |
267 | 229 |
268 #if defined(OS_WIN) | 230 #if defined(OS_WIN) |
269 // Original wndproc before we subclassed. | |
270 WNDPROC plugin_wnd_proc_; | |
271 | |
272 // Used to throttle WM_USER+1 messages in Flash. | |
273 uint32_t last_message_; | |
274 bool is_calling_wndproc; | |
275 | |
276 // An IME emulator used by a windowless plugin to retrieve IME data through | 231 // An IME emulator used by a windowless plugin to retrieve IME data through |
277 // IMM32 functions. | 232 // IMM32 functions. |
278 scoped_ptr<WebPluginIMEWin> plugin_ime_; | 233 scoped_ptr<WebPluginIMEWin> plugin_ime_; |
279 #endif // defined(OS_WIN) | 234 #endif // defined(OS_WIN) |
280 | 235 |
281 NPWindow window_; | 236 NPWindow window_; |
282 gfx::Rect window_rect_; | 237 gfx::Rect window_rect_; |
283 gfx::Rect clip_rect_; | 238 gfx::Rect clip_rect_; |
284 int quirks_; | 239 int quirks_; |
285 | 240 |
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325 | 280 |
326 // GetProcAddress intercepter for windowless plugins. | 281 // GetProcAddress intercepter for windowless plugins. |
327 static FARPROC WINAPI GetProcAddressPatch(HMODULE module, LPCSTR name); | 282 static FARPROC WINAPI GetProcAddressPatch(HMODULE module, LPCSTR name); |
328 | 283 |
329 // WindowFromPoint patch for Flash windowless plugins. When flash receives | 284 // WindowFromPoint patch for Flash windowless plugins. When flash receives |
330 // mouse move messages it calls the WindowFromPoint API to eventually convert | 285 // mouse move messages it calls the WindowFromPoint API to eventually convert |
331 // the mouse coordinates to screen. We need to return the dummy plugin parent | 286 // the mouse coordinates to screen. We need to return the dummy plugin parent |
332 // window for Aura to ensure that these conversions occur correctly. | 287 // window for Aura to ensure that these conversions occur correctly. |
333 static HWND WINAPI WindowFromPointPatch(POINT point); | 288 static HWND WINAPI WindowFromPointPatch(POINT point); |
334 | 289 |
335 // The mouse hook proc which handles mouse capture in windowed plugins. | |
336 static LRESULT CALLBACK MouseHookProc(int code, WPARAM wParam, | |
337 LPARAM lParam); | |
338 | |
339 // Calls SetCapture/ReleaseCapture based on the message type. | |
340 static void HandleCaptureForMessage(HWND window, UINT message); | |
341 | |
342 #elif defined(OS_MACOSX) && !defined(USE_AURA) | 290 #elif defined(OS_MACOSX) && !defined(USE_AURA) |
343 // Sets window_rect_ to |rect| | 291 // Sets window_rect_ to |rect| |
344 void SetPluginRect(const gfx::Rect& rect); | 292 void SetPluginRect(const gfx::Rect& rect); |
345 // Sets content_area_origin to |origin| | 293 // Sets content_area_origin to |origin| |
346 void SetContentAreaOrigin(const gfx::Point& origin); | 294 void SetContentAreaOrigin(const gfx::Point& origin); |
347 // Updates everything that depends on the plugin's absolute screen location. | 295 // Updates everything that depends on the plugin's absolute screen location. |
348 void PluginScreenLocationChanged(); | 296 void PluginScreenLocationChanged(); |
349 // Updates anything that depends on plugin visibility. | 297 // Updates anything that depends on plugin visibility. |
350 void PluginVisibilityChanged(); | 298 void PluginVisibilityChanged(); |
351 | 299 |
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386 // Called by the message filter hook when the plugin enters a modal loop. | 334 // Called by the message filter hook when the plugin enters a modal loop. |
387 void OnModalLoopEntered(); | 335 void OnModalLoopEntered(); |
388 | 336 |
389 // Returns true if the message passed in corresponds to a user gesture. | 337 // Returns true if the message passed in corresponds to a user gesture. |
390 static bool IsUserGesture(const blink::WebInputEvent& event); | 338 static bool IsUserGesture(const blink::WebInputEvent& event); |
391 | 339 |
392 // The url with which the plugin was instantiated. | 340 // The url with which the plugin was instantiated. |
393 std::string plugin_url_; | 341 std::string plugin_url_; |
394 | 342 |
395 #if defined(OS_WIN) | 343 #if defined(OS_WIN) |
396 // Indicates the end of a user gesture period. | |
397 void OnUserGestureEnd(); | |
398 | |
399 // Handle to the message filter hook | 344 // Handle to the message filter hook |
400 HHOOK handle_event_message_filter_hook_; | 345 HHOOK handle_event_message_filter_hook_; |
401 | 346 |
402 // Event which is set when the plugin enters a modal loop in the course | 347 // Event which is set when the plugin enters a modal loop in the course |
403 // of a NPP_HandleEvent call. | 348 // of a NPP_HandleEvent call. |
404 HANDLE handle_event_pump_messages_event_; | 349 HANDLE handle_event_pump_messages_event_; |
405 | |
406 // This flag indicates whether we started tracking a user gesture message. | |
407 bool user_gesture_message_posted_; | |
408 | |
409 // Handle to the mouse hook installed for certain windowed plugins like | |
410 // flash. | |
411 HHOOK mouse_hook_; | |
412 #endif | 350 #endif |
413 | 351 |
414 // Holds the depth of the HandleEvent callstack. | 352 // Holds the depth of the HandleEvent callstack. |
415 int handle_event_depth_; | 353 int handle_event_depth_; |
416 | 354 |
417 // Holds the current cursor set by the windowless plugin. | 355 // Holds the current cursor set by the windowless plugin. |
418 WebCursor current_windowless_cursor_; | 356 WebCursor current_windowless_cursor_; |
419 | 357 |
420 // Set to true initially and indicates if this is the first npp_setwindow | 358 // Set to true initially and indicates if this is the first npp_setwindow |
421 // call received by the plugin. | 359 // call received by the plugin. |
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440 // asynchronously. | 378 // asynchronously. |
441 base::WeakPtrFactory<WebPluginDelegateImpl> user_gesture_msg_factory_; | 379 base::WeakPtrFactory<WebPluginDelegateImpl> user_gesture_msg_factory_; |
442 #endif | 380 #endif |
443 | 381 |
444 DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateImpl); | 382 DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateImpl); |
445 }; | 383 }; |
446 | 384 |
447 } // namespace content | 385 } // namespace content |
448 | 386 |
449 #endif // CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ | 387 #endif // CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ |
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