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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 #ifndef CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ | |
| 6 #define CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <string> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/ref_counted.h" | |
| 15 #include "base/memory/scoped_ptr.h" | |
| 16 #include "base/memory/weak_ptr.h" | |
| 17 #include "base/sequenced_task_runner_helpers.h" | |
| 18 #include "base/timer/timer.h" | |
| 19 #include "build/build_config.h" | |
| 20 #include "content/child/npapi/webplugin_delegate.h" | |
| 21 #include "content/common/cursors/webcursor.h" | |
| 22 #include "third_party/npapi/bindings/npapi.h" | |
| 23 #include "ui/gfx/geometry/rect.h" | |
| 24 #include "ui/gfx/native_widget_types.h" | |
| 25 | |
| 26 namespace base { | |
| 27 class FilePath; | |
| 28 } | |
| 29 | |
| 30 #if defined(OS_MACOSX) | |
| 31 #ifdef __OBJC__ | |
| 32 @class CALayer; | |
| 33 @class CARenderer; | |
| 34 #else | |
| 35 class CALayer; | |
| 36 class CARenderer; | |
| 37 #endif | |
| 38 #endif | |
| 39 | |
| 40 namespace content { | |
| 41 class PluginInstance; | |
| 42 class WebPlugin; | |
| 43 | |
| 44 #if defined(OS_MACOSX) | |
| 45 class WebPluginAcceleratedSurface; | |
| 46 class ExternalDragTracker; | |
| 47 #endif // OS_MACOSX | |
| 48 | |
| 49 // An implementation of WebPluginDelegate that runs in the plugin process, | |
| 50 // proxied from the renderer by WebPluginDelegateProxy. | |
| 51 class WebPluginDelegateImpl : public WebPluginDelegate { | |
| 52 public: | |
| 53 enum PluginQuirks { | |
| 54 PLUGIN_QUIRK_SETWINDOW_TWICE = 1, // Win32 | |
| 55 PLUGIN_QUIRK_THROTTLE_WM_USER_PLUS_ONE = 2, // Win32 | |
| 56 PLUGIN_QUIRK_DONT_CALL_WND_PROC_RECURSIVELY = 4, // Win32 | |
| 57 PLUGIN_QUIRK_DONT_SET_NULL_WINDOW_HANDLE_ON_DESTROY = 8, // Win32 | |
| 58 PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES = 16, // Win32 | |
| 59 PLUGIN_QUIRK_DIE_AFTER_UNLOAD = 32, // Win32 | |
| 60 PLUGIN_QUIRK_PATCH_SETCURSOR = 64, // Win32 | |
| 61 PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS = 128, // Win32 | |
| 62 PLUGIN_QUIRK_WINDOWLESS_OFFSET_WINDOW_TO_DRAW = 256, // Linux | |
| 63 PLUGIN_QUIRK_WINDOWLESS_INVALIDATE_AFTER_SET_WINDOW = 512, // Linux | |
| 64 PLUGIN_QUIRK_NO_WINDOWLESS = 1024, // Windows | |
| 65 PLUGIN_QUIRK_PATCH_REGENUMKEYEXW = 2048, // Windows | |
| 66 PLUGIN_QUIRK_ALWAYS_NOTIFY_SUCCESS = 4096, // Windows | |
| 67 PLUGIN_QUIRK_HANDLE_MOUSE_CAPTURE = 16384, // Windows | |
| 68 PLUGIN_QUIRK_WINDOWLESS_NO_RIGHT_CLICK = 32768, // Linux | |
| 69 PLUGIN_QUIRK_IGNORE_FIRST_SETWINDOW_CALL = 65536, // Windows. | |
| 70 PLUGIN_QUIRK_EMULATE_IME = 131072, // Windows. | |
| 71 PLUGIN_QUIRK_FAKE_WINDOW_FROM_POINT = 262144, // Windows. | |
| 72 PLUGIN_QUIRK_COPY_STREAM_DATA = 524288, // All platforms | |
| 73 }; | |
| 74 | |
| 75 static WebPluginDelegateImpl* Create(WebPlugin* plugin, | |
| 76 const base::FilePath& filename, | |
| 77 const std::string& mime_type); | |
| 78 | |
| 79 // WebPluginDelegate implementation | |
| 80 bool Initialize(const GURL& url, | |
| 81 const std::vector<std::string>& arg_names, | |
| 82 const std::vector<std::string>& arg_values, | |
| 83 bool load_manually) override; | |
| 84 void PluginDestroyed() override; | |
| 85 void UpdateGeometry(const gfx::Rect& window_rect, | |
| 86 const gfx::Rect& clip_rect) override; | |
| 87 void Paint(SkCanvas* canvas, const gfx::Rect& rect) override; | |
| 88 void SetFocus(bool focused) override; | |
| 89 bool HandleInputEvent(const blink::WebInputEvent& event, | |
| 90 WebCursor::CursorInfo* cursor_info) override; | |
| 91 int GetProcessId() override; | |
| 92 // End of WebPluginDelegate implementation. | |
| 93 | |
| 94 PluginInstance* instance() { return instance_.get(); } | |
| 95 gfx::Rect GetRect() const { return window_rect_; } | |
| 96 gfx::Rect GetClipRect() const { return clip_rect_; } | |
| 97 | |
| 98 // Returns the path for the library implementing this plugin. | |
| 99 base::FilePath GetPluginPath(); | |
| 100 | |
| 101 // Returns a combination of PluginQuirks. | |
| 102 int GetQuirks() const { return quirks_; } | |
| 103 | |
| 104 // Informs the plugin that the view it is in has gained or lost focus. | |
| 105 void SetContentAreaHasFocus(bool has_focus); | |
| 106 | |
| 107 #if defined(OS_MACOSX) && !defined(USE_AURA) | |
| 108 // Informs the plugin that the geometry has changed, as with UpdateGeometry, | |
| 109 // but also includes the new buffer context for that new geometry. | |
| 110 void UpdateGeometryAndContext(const gfx::Rect& window_rect, | |
| 111 const gfx::Rect& clip_rect, | |
| 112 gfx::NativeDrawingContext context); | |
| 113 // Informs the delegate that the plugin called NPN_Invalidate*. Used as a | |
| 114 // trigger for Core Animation drawing. | |
| 115 void PluginDidInvalidate(); | |
| 116 // Returns the delegate currently processing events. | |
| 117 static WebPluginDelegateImpl* GetActiveDelegate(); | |
| 118 // Informs the plugin that the window it is in has gained or lost focus. | |
| 119 void SetWindowHasFocus(bool has_focus); | |
| 120 // Informs the plugin that its tab or window has been hidden or shown. | |
| 121 void SetContainerVisibility(bool is_visible); | |
| 122 // Informs the plugin that its containing window's frame has changed. | |
| 123 // Frames are in screen coordinates. | |
| 124 void WindowFrameChanged(const gfx::Rect& window_frame, | |
| 125 const gfx::Rect& view_frame); | |
| 126 // Informs the plugin that IME composition has completed. | |
| 127 // If |text| is empty, IME was cancelled. | |
| 128 void ImeCompositionCompleted(const base::string16& text); | |
| 129 // Informs the delegate that the plugin set a Cocoa NSCursor. | |
| 130 void SetNSCursor(NSCursor* cursor); | |
| 131 | |
| 132 // Indicates that the windowless plugins will draw directly to the window | |
| 133 // context instead of a buffer context. | |
| 134 void SetNoBufferContext(); | |
| 135 | |
| 136 // TODO(caryclark): This is a temporary workaround to allow the Darwin / Skia | |
| 137 // port to share code with the Darwin / CG port. Later, this will be removed | |
| 138 // and all callers will use the Paint defined above. | |
| 139 void CGPaint(CGContextRef context, const gfx::Rect& rect); | |
| 140 #endif // OS_MACOSX && !USE_AURA | |
| 141 | |
| 142 private: | |
| 143 friend class base::DeleteHelper<WebPluginDelegateImpl>; | |
| 144 friend class WebPluginDelegate; | |
| 145 | |
| 146 WebPluginDelegateImpl(WebPlugin* plugin, PluginInstance* instance); | |
| 147 ~WebPluginDelegateImpl() override; | |
| 148 | |
| 149 // Called by Initialize() for platform-specific initialization. | |
| 150 // If this returns false, the plugin shouldn't be started--see Initialize(). | |
| 151 bool PlatformInitialize(); | |
| 152 | |
| 153 // Called by DestroyInstance(), used for platform-specific destruction. | |
| 154 void PlatformDestroyInstance(); | |
| 155 | |
| 156 //---------------------------- | |
| 157 // used for windowless plugins | |
| 158 void WindowlessUpdateGeometry(const gfx::Rect& window_rect, | |
| 159 const gfx::Rect& clip_rect); | |
| 160 void WindowlessPaint(gfx::NativeDrawingContext hdc, const gfx::Rect& rect); | |
| 161 | |
| 162 // Tells the plugin about the current state of the window. | |
| 163 // See NPAPI NPP_SetWindow for more information. | |
| 164 void WindowlessSetWindow(); | |
| 165 | |
| 166 // Informs the plugin that it has gained or lost keyboard focus (on the Mac, | |
| 167 // this just means window first responder status). | |
| 168 void SetPluginHasFocus(bool focused); | |
| 169 | |
| 170 // Handles the platform specific details of setting plugin focus. Returns | |
| 171 // false if the platform cancelled the focus tranfer. | |
| 172 bool PlatformSetPluginHasFocus(bool focused); | |
| 173 | |
| 174 //----------------------------------------- | |
| 175 // used for windowed and windowless plugins | |
| 176 | |
| 177 // Does platform-specific event handling. Arguments and return are identical | |
| 178 // to HandleInputEvent. | |
| 179 bool PlatformHandleInputEvent(const blink::WebInputEvent& event, | |
| 180 WebCursor::CursorInfo* cursor_info); | |
| 181 | |
| 182 // Closes down and destroys our plugin instance. | |
| 183 void DestroyInstance(); | |
| 184 | |
| 185 | |
| 186 // Note: on Mac OS X, the only time the windowed handle is non-zero | |
| 187 // is the case of accelerated rendering, which uses a fake window handle to | |
| 188 // identify itself back to the browser. It still performs all of its | |
| 189 // work offscreen. | |
| 190 | |
| 191 WebPlugin* plugin_; | |
| 192 scoped_refptr<PluginInstance> instance_; | |
| 193 | |
| 194 NPWindow window_; | |
| 195 gfx::Rect window_rect_; | |
| 196 gfx::Rect clip_rect_; | |
| 197 int quirks_; | |
| 198 | |
| 199 #if defined(OS_MACOSX) && !defined(USE_AURA) | |
| 200 // Sets window_rect_ to |rect| | |
| 201 void SetPluginRect(const gfx::Rect& rect); | |
| 202 // Sets content_area_origin to |origin| | |
| 203 void SetContentAreaOrigin(const gfx::Point& origin); | |
| 204 // Updates everything that depends on the plugin's absolute screen location. | |
| 205 void PluginScreenLocationChanged(); | |
| 206 // Updates anything that depends on plugin visibility. | |
| 207 void PluginVisibilityChanged(); | |
| 208 | |
| 209 // Starts an IME session. | |
| 210 void StartIme(); | |
| 211 | |
| 212 // Informs the browser about the updated accelerated drawing surface. | |
| 213 void UpdateAcceleratedSurface(); | |
| 214 | |
| 215 // Uses a CARenderer to draw the plugin's layer in our OpenGL surface. | |
| 216 void DrawLayerInSurface(); | |
| 217 | |
| 218 bool use_buffer_context_; | |
| 219 CGContextRef buffer_context_; // Weak ref. | |
| 220 | |
| 221 CALayer* layer_; // Used for CA drawing mode. Weak, retained by plugin. | |
| 222 WebPluginAcceleratedSurface* surface_; // Weak ref. | |
| 223 CARenderer* renderer_; // Renders layer_ to surface_. | |
| 224 scoped_ptr<base::RepeatingTimer> redraw_timer_; | |
| 225 | |
| 226 // The upper-left corner of the web content area in screen coordinates, | |
| 227 // relative to an upper-left (0,0). | |
| 228 gfx::Point content_area_origin_; | |
| 229 | |
| 230 bool containing_window_has_focus_; | |
| 231 bool initial_window_focus_; | |
| 232 bool container_is_visible_; | |
| 233 bool have_called_set_window_; | |
| 234 | |
| 235 gfx::Rect cached_clip_rect_; | |
| 236 | |
| 237 bool ime_enabled_; | |
| 238 int keyup_ignore_count_; | |
| 239 | |
| 240 scoped_ptr<ExternalDragTracker> external_drag_tracker_; | |
| 241 #endif // OS_MACOSX && !USE_AURA | |
| 242 | |
| 243 // Called by the message filter hook when the plugin enters a modal loop. | |
| 244 void OnModalLoopEntered(); | |
| 245 | |
| 246 // Returns true if the message passed in corresponds to a user gesture. | |
| 247 static bool IsUserGesture(const blink::WebInputEvent& event); | |
| 248 | |
| 249 // The url with which the plugin was instantiated. | |
| 250 std::string plugin_url_; | |
| 251 | |
| 252 // Holds the depth of the HandleEvent callstack. | |
| 253 int handle_event_depth_; | |
| 254 | |
| 255 // Holds the current cursor set by the windowless plugin. | |
| 256 WebCursor current_windowless_cursor_; | |
| 257 | |
| 258 // Set to true initially and indicates if this is the first npp_setwindow | |
| 259 // call received by the plugin. | |
| 260 bool first_set_window_call_; | |
| 261 | |
| 262 // True if the plugin thinks it has keyboard focus | |
| 263 bool plugin_has_focus_; | |
| 264 // True if the plugin element has focus within the web content, regardless of | |
| 265 // whether its containing view currently has focus. | |
| 266 bool has_webkit_focus_; | |
| 267 // True if the containing view currently has focus. | |
| 268 // Initially set to true so that plugin focus still works in environments | |
| 269 // where SetContentAreaHasFocus is never called. See | |
| 270 // https://bugs.webkit.org/show_bug.cgi?id=46013 for details. | |
| 271 bool containing_view_has_focus_; | |
| 272 | |
| 273 // True if NPP_New did not return an error. | |
| 274 bool creation_succeeded_; | |
| 275 | |
| 276 #if defined(OS_WIN) | |
| 277 // Runnable Method Factory used to invoke the OnUserGestureEnd method | |
| 278 // asynchronously. | |
| 279 base::WeakPtrFactory<WebPluginDelegateImpl> user_gesture_msg_factory_; | |
| 280 #endif | |
| 281 | |
| 282 DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateImpl); | |
| 283 }; | |
| 284 | |
| 285 } // namespace content | |
| 286 | |
| 287 #endif // CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_ | |
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Chromium Code Reviews
Issue 1851093005:
Remove content/child/npapi (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@remove_combined_01_02