1 // Copyright 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_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_ 6 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_ 7 8 #include <vector> 9 10 #include "base/android/jni_android.h" 11 #include "base/android/jni_weak_ref.h" 12 #include "base/compiler_specific.h" 13 #include "base/i18n/rtl.h" 14 #include "base/memory/scoped_ptr.h" 15 #include "base/process/process.h" 16 #include "content/browser/renderer_host/render_widget_host_view_android.h" 17 #include "content/browser/web_contents/web_contents_impl.h" 18 #include "content/public/browser/android/content_view_core.h" 19 #include "content/public/browser/web_contents_observer.h" 20 #include "third_party/WebKit/public/web/WebInputEvent.h" 21 #include "ui/gfx/rect.h" 22 #include "ui/gfx/rect_f.h" 23 #include "url/gurl.h" 24 25 namespace ui { 26 class ViewAndroid; 27 class WindowAndroid; 28 } 29 30 namespace content { 31 32 class GinJavaBridgeDispatcherHost; 33 class RenderFrameHost; 34 class RenderWidgetHostViewAndroid; 35 struct MenuItem; 36 37 // TODO(jrg): this is a shell. Upstream the rest. 38 class ContentViewCoreImpl : public ContentViewCore, 39 public WebContentsObserver { 40 public: 41 static ContentViewCoreImpl* FromWebContents(WebContents* web_contents); 42 ContentViewCoreImpl(JNIEnv* env, 43 jobject obj, 44 WebContents* web_contents, 45 ui::ViewAndroid* view_android, 46 ui::WindowAndroid* window_android, 47 jobject java_bridge_retained_object_set); 48 49 // ContentViewCore implementation. 50 virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() OVERRIDE; 51 virtual WebContents* GetWebContents() const OVERRIDE; 52 virtual ui::ViewAndroid* GetViewAndroid() const OVERRIDE; 53 virtual ui::WindowAndroid* GetWindowAndroid() const OVERRIDE; 54 virtual scoped_refptr<cc::Layer> GetLayer() const OVERRIDE; 55 virtual void ShowPastePopup(int x, int y) OVERRIDE; 56 virtual void GetScaledContentBitmap( 57 float scale, 58 SkColorType color_type, 59 gfx::Rect src_subrect, 60 const base::Callback<void(bool, const SkBitmap&)>& result_callback) 61 OVERRIDE; 62 virtual float GetDpiScale() const OVERRIDE; 63 virtual void PauseOrResumeGeolocation(bool should_pause) OVERRIDE; 64 virtual void RequestTextSurroundingSelection( 65 int max_length, 66 const base::Callback<void(const base::string16& content, 67 int start_offset, 68 int end_offset)>& callback) OVERRIDE; 69 70 // -------------------------------------------------------------------------- 71 // Methods called from Java via JNI 72 // -------------------------------------------------------------------------- 73 74 base::android::ScopedJavaLocalRef<jobject> GetWebContentsAndroid(JNIEnv* env, 75 jobject obj); 76 77 void OnJavaContentViewCoreDestroyed(JNIEnv* env, jobject obj); 78 79 // Notifies the ContentViewCore that items were selected in the currently 80 // showing select popup. 81 void SelectPopupMenuItems(JNIEnv* env, jobject obj, 82 jlong selectPopupSourceFrame, 83 jintArray indices); 84 85 void SendOrientationChangeEvent(JNIEnv* env, jobject obj, jint orientation); 86 jboolean OnTouchEvent(JNIEnv* env, 87 jobject obj, 88 jobject motion_event, 89 jlong time_ms, 90 jint android_action, 91 jint pointer_count, 92 jint history_size, 93 jint action_index, 94 jfloat pos_x_0, 95 jfloat pos_y_0, 96 jfloat pos_x_1, 97 jfloat pos_y_1, 98 jint pointer_id_0, 99 jint pointer_id_1, 100 jfloat touch_major_0, 101 jfloat touch_major_1, 102 jfloat touch_minor_0, 103 jfloat touch_minor_1, 104 jfloat orientation_0, 105 jfloat orientation_1, 106 jfloat raw_pos_x, 107 jfloat raw_pos_y, 108 jint android_tool_type_0, 109 jint android_tool_type_1, 110 jint android_button_state, 111 jint android_meta_state, 112 jboolean is_touch_handle_event); 113 jboolean SendMouseMoveEvent(JNIEnv* env, 114 jobject obj, 115 jlong time_ms, 116 jfloat x, 117 jfloat y); 118 jboolean SendMouseWheelEvent(JNIEnv* env, 119 jobject obj, 120 jlong time_ms, 121 jfloat x, 122 jfloat y, 123 jfloat vertical_axis); 124 void ScrollBegin(JNIEnv* env, jobject obj, jlong time_ms, 125 jfloat x, jfloat y, jfloat hintx, jfloat hinty); 126 void ScrollEnd(JNIEnv* env, jobject obj, jlong time_ms); 127 void ScrollBy(JNIEnv* env, jobject obj, jlong time_ms, 128 jfloat x, jfloat y, jfloat dx, jfloat dy); 129 void FlingStart(JNIEnv* env, jobject obj, jlong time_ms, 130 jfloat x, jfloat y, jfloat vx, jfloat vy); 131 void FlingCancel(JNIEnv* env, jobject obj, jlong time_ms); 132 void SingleTap(JNIEnv* env, jobject obj, jlong time_ms, 133 jfloat x, jfloat y); 134 void DoubleTap(JNIEnv* env, jobject obj, jlong time_ms, 135 jfloat x, jfloat y) ; 136 void LongPress(JNIEnv* env, jobject obj, jlong time_ms, 137 jfloat x, jfloat y); 138 void PinchBegin(JNIEnv* env, jobject obj, jlong time_ms, jfloat x, jfloat y); 139 void PinchEnd(JNIEnv* env, jobject obj, jlong time_ms); 140 void PinchBy(JNIEnv* env, jobject obj, jlong time_ms, 141 jfloat x, jfloat y, jfloat delta); 142 void SelectBetweenCoordinates(JNIEnv* env, jobject obj, 143 jfloat x1, jfloat y1, 144 jfloat x2, jfloat y2); 145 void MoveCaret(JNIEnv* env, jobject obj, jfloat x, jfloat y); 146 void DismissTextHandles(JNIEnv* env, jobject obj); 147 void SetTextHandlesTemporarilyHidden(JNIEnv* env, 148 jobject obj, 149 jboolean hidden); 150 151 void ResetGestureDetection(JNIEnv* env, jobject obj); 152 void SetDoubleTapSupportEnabled(JNIEnv* env, jobject obj, jboolean enabled); 153 void SetMultiTouchZoomSupportEnabled(JNIEnv* env, 154 jobject obj, 155 jboolean enabled); 156 157 void PostMessageToFrame(JNIEnv* env, jobject obj, jstring frame_id, 158 jstring message, jstring source_origin, jstring target_origin); 159 long GetNativeImeAdapter(JNIEnv* env, jobject obj); 160 void SetFocus(JNIEnv* env, jobject obj, jboolean focused); 161 162 jint GetBackgroundColor(JNIEnv* env, jobject obj); 163 void SetBackgroundColor(JNIEnv* env, jobject obj, jint color); 164 void SetAllowJavascriptInterfacesInspection(JNIEnv* env, 165 jobject obj, 166 jboolean allow); 167 void AddJavascriptInterface(JNIEnv* env, 168 jobject obj, 169 jobject object, 170 jstring name, 171 jclass safe_annotation_clazz); 172 void RemoveJavascriptInterface(JNIEnv* env, jobject obj, jstring name); 173 void WasResized(JNIEnv* env, jobject obj); 174 175 void SetAccessibilityEnabled(JNIEnv* env, jobject obj, bool enabled); 176 177 void ExtractSmartClipData(JNIEnv* env, 178 jobject obj, 179 jint x, 180 jint y, 181 jint width, 182 jint height); 183 184 void SetBackgroundOpaque(JNIEnv* env, jobject jobj, jboolean opaque); 185 186 jint GetCurrentRenderProcessId(JNIEnv* env, jobject obj); 187 188 // -------------------------------------------------------------------------- 189 // Public methods that call to Java via JNI 190 // -------------------------------------------------------------------------- 191 192 void OnSmartClipDataExtracted(const base::string16& text, 193 const base::string16& html, 194 const gfx::Rect& clip_rect); 195 196 // Creates a popup menu with |items|. 197 // |multiple| defines if it should support multi-select. 198 // If not |multiple|, |selected_item| sets the initially selected item. 199 // Otherwise, item's "checked" flag selects it. 200 void ShowSelectPopupMenu(RenderFrameHost* frame, 201 const gfx::Rect& bounds, 202 const std::vector<MenuItem>& items, 203 int selected_item, 204 bool multiple); 205 // Hides a visible popup menu. 206 void HideSelectPopupMenu(); 207 208 // All sizes and offsets are in CSS pixels as cached by the renderer. 209 void UpdateFrameInfo(const gfx::Vector2dF& scroll_offset, 210 float page_scale_factor, 211 const gfx::Vector2dF& page_scale_factor_limits, 212 const gfx::SizeF& content_size, 213 const gfx::SizeF& viewport_size, 214 const gfx::Vector2dF& controls_offset, 215 const gfx::Vector2dF& content_offset); 216 217 void UpdateImeAdapter(long native_ime_adapter, 218 int text_input_type, 219 int text_input_flags, 220 const std::string& text, 221 int selection_start, 222 int selection_end, 223 int composition_start, 224 int composition_end, 225 bool show_ime_if_needed, 226 bool is_non_ime_change); 227 void SetTitle(const base::string16& title); 228 void OnBackgroundColorChanged(SkColor color); 229 230 bool HasFocus(); 231 void OnGestureEventAck(const blink::WebGestureEvent& event, 232 InputEventAckState ack_result); 233 bool FilterInputEvent(const blink::WebInputEvent& event); 234 void OnSelectionChanged(const std::string& text); 235 void OnSelectionEvent(SelectionEventType event, 236 const gfx::PointF& anchor_position); 237 scoped_ptr<TouchHandleDrawable> CreatePopupTouchHandleDrawable(); 238 239 void StartContentIntent(const GURL& content_url); 240 241 // Shows the disambiguation popup 242 // |rect_pixels| --> window coordinates which |zoomed_bitmap| represents 243 // |zoomed_bitmap| --> magnified image of potential touch targets 244 void ShowDisambiguationPopup( 245 const gfx::Rect& rect_pixels, const SkBitmap& zoomed_bitmap); 246 247 // Creates a java-side touch event, used for injecting touch event for 248 // testing/benchmarking purposes 249 base::android::ScopedJavaLocalRef<jobject> CreateTouchEventSynthesizer(); 250 251 base::android::ScopedJavaLocalRef<jobject> GetContentVideoViewClient(); 252 253 // Returns the context that the ContentViewCore was created with, it would 254 // typically be an Activity context for an on screen view. 255 base::android::ScopedJavaLocalRef<jobject> GetContext(); 256 257 // Returns True if the given media should be blocked to load. 258 bool ShouldBlockMediaRequest(const GURL& url); 259 260 void DidStopFlinging(); 261 262 // Returns the viewport size after accounting for the viewport offset. 263 gfx::Size GetViewSize() const; 264 265 void SetAccessibilityEnabledInternal(bool enabled); 266 267 bool IsFullscreenRequiredForOrientationLock() const; 268 269 // -------------------------------------------------------------------------- 270 // Methods called from native code 271 // -------------------------------------------------------------------------- 272 273 gfx::Size GetPhysicalBackingSize() const; 274 gfx::Size GetViewportSizeDip() const; 275 float GetTopControlsLayoutHeightDip() const; 276 277 void AttachLayer(scoped_refptr<cc::Layer> layer); 278 void RemoveLayer(scoped_refptr<cc::Layer> layer); 279 280 void SelectBetweenCoordinates(const gfx::PointF& start, 281 const gfx::PointF& end); 282 283 private: 284 class ContentViewUserData; 285 286 friend class ContentViewUserData; 287 virtual ~ContentViewCoreImpl(); 288 289 // WebContentsObserver implementation. 290 virtual void RenderViewReady() OVERRIDE; 291 virtual void RenderViewHostChanged(RenderViewHost* old_host, 292 RenderViewHost* new_host) OVERRIDE; 293 virtual void WebContentsDestroyed() OVERRIDE; 294 295 // -------------------------------------------------------------------------- 296 // Other private methods and data 297 // -------------------------------------------------------------------------- 298 299 void InitWebContents(); 300 301 RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid(); 302 303 blink::WebGestureEvent MakeGestureEvent( 304 blink::WebInputEvent::Type type, int64 time_ms, float x, float y) const; 305 306 gfx::Size GetViewportSizePix() const; 307 int GetTopControlsLayoutHeightPix() const; 308 309 void SendGestureEvent(const blink::WebGestureEvent& event); 310 311 // Update focus state of the RenderWidgetHostView. 312 void SetFocusInternal(bool focused); 313 314 // Send device_orientation_ to renderer. 315 void SendOrientationChangeEventInternal(); 316 317 float dpi_scale() const { return dpi_scale_; } 318 319 // A weak reference to the Java ContentViewCore object. 320 JavaObjectWeakGlobalRef java_ref_; 321 322 // Reference to the current WebContents used to determine how and what to 323 // display in the ContentViewCore. 324 WebContentsImpl* web_contents_; 325 326 // A compositor layer containing any layer that should be shown. 327 scoped_refptr<cc::Layer> root_layer_; 328 329 // Device scale factor. 330 float dpi_scale_; 331 332 // The Android view that can be used to add and remove decoration layers 333 // like AutofillPopup. 334 ui::ViewAndroid* view_android_; 335 336 // The owning window that has a hold of main application activity. 337 ui::WindowAndroid* window_android_; 338 339 // The cache of device's current orientation set from Java side, this value 340 // will be sent to Renderer once it is ready. 341 int device_orientation_; 342 343 bool accessibility_enabled_; 344 345 // Manages injecting Java objects. 346 scoped_refptr<GinJavaBridgeDispatcherHost> java_bridge_dispatcher_host_; 347 348 DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl); 349 }; 350 351 bool RegisterContentViewCore(JNIEnv* env); 352 353 } // namespace content 354 355 #endif // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_ 356
