android_webview/native/aw_contents.h

   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 ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
   6 #define ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
   7
   8 #include <jni.h>
   9 #include <list>
  10 #include <string>
  11 #include <utility>
  12
  13 #include "android_webview/browser/aw_browser_permission_request_delegate.h"
  14 #include "android_webview/browser/aw_message_port_message_filter.h"
  15 #include "android_webview/browser/browser_view_renderer.h"
  16 #include "android_webview/browser/browser_view_renderer_client.h"
  17 #include "android_webview/browser/find_helper.h"
  18 #include "android_webview/browser/gl_view_renderer_manager.h"
  19 #include "android_webview/browser/icon_helper.h"
  20 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
  21 #include "android_webview/native/permission/permission_request_handler_client.h"
  22 #include "base/android/jni_weak_ref.h"
  23 #include "base/android/scoped_java_ref.h"
  24 #include "base/callback_forward.h"
  25 #include "base/memory/scoped_ptr.h"
  26
  27 class SkBitmap;
  28 class TabContents;
  29 struct AwDrawGLInfo;
  30
  31 namespace content {
  32 class WebContents;
  33 }
  34
  35 namespace android_webview {
  36
  37 class AwContentsContainer;
  38 class AwContentsClientBridge;
  39 class AwPdfExporter;
  40 class AwWebContentsDelegate;
  41 class HardwareRenderer;
  42 class PermissionRequestHandler;
  43
  44 // Native side of java-class of same name.
  45 // Provides the ownership of and access to browser components required for
  46 // WebView functionality; analogous to chrome's TabContents, but with a
  47 // level of indirection provided by the AwContentsContainer abstraction.
  48 //
  49 // Object lifetime:
  50 // For most purposes the java and native objects can be considered to have
  51 // 1:1 lifetime and relationship. The exception is the java instance that
  52 // hosts a popup will be rebound to a second native instance (carrying the
  53 // popup content) and discard the 'default' native instance it made on
  54 // construction. A native instance is only bound to at most one Java peer over
  55 // its entire lifetime - see Init() and SetPendingWebContentsForPopup() for the
  56 // construction points, and SetJavaPeers() where these paths join.
  57 class AwContents : public FindHelper::Listener,
  58                    public IconHelper::Listener,
  59                    public AwRenderViewHostExtClient,
  60                    public BrowserViewRendererClient,
  61                    public PermissionRequestHandlerClient,
  62                    public AwBrowserPermissionRequestDelegate {
  63  public:
  64   // Returns the AwContents instance associated with |web_contents|, or NULL.
  65   static AwContents* FromWebContents(content::WebContents* web_contents);
  66
  67   // Returns the AwContents instance associated with with the given
  68   // render_process_id and render_view_id, or NULL.
  69   static AwContents* FromID(int render_process_id, int render_view_id);
  70
  71   static std::string GetLocale();
  72
  73   AwContents(scoped_ptr<content::WebContents> web_contents);
  74   ~AwContents() override;
  75
  76   AwRenderViewHostExt* render_view_host_ext() {
  77     return render_view_host_ext_.get();
  78   }
  79
  80   // |handler| is an instance of
  81   // org.chromium.android_webview.AwHttpAuthHandler.
  82   bool OnReceivedHttpAuthRequest(const base::android::JavaRef<jobject>& handler,
  83                                  const std::string& host,
  84                                  const std::string& realm);
  85
  86   void SetOffscreenPreRaster(bool enabled);
  87
  88   // Methods called from Java.
  89   void SetJavaPeers(JNIEnv* env,
  90                     jobject obj,
  91                     jobject aw_contents,
  92                     jobject web_contents_delegate,
  93                     jobject contents_client_bridge,
  94                     jobject io_thread_client,
  95                     jobject intercept_navigation_delegate);
  96   base::android::ScopedJavaLocalRef<jobject> GetWebContents(JNIEnv* env,
  97                                                             jobject obj);
  98
  99   void Destroy(JNIEnv* env, jobject obj);
 100   void DocumentHasImages(JNIEnv* env, jobject obj, jobject message);
 101   void GenerateMHTML(JNIEnv* env, jobject obj, jstring jpath, jobject callback);
 102   void CreatePdfExporter(JNIEnv* env, jobject obj, jobject pdfExporter);
 103   void AddVisitedLinks(JNIEnv* env, jobject obj, jobjectArray jvisited_links);
 104   base::android::ScopedJavaLocalRef<jbyteArray> GetCertificate(
 105       JNIEnv* env, jobject obj);
 106   void RequestNewHitTestDataAt(JNIEnv* env,
 107                                jobject obj,
 108                                jfloat x,
 109                                jfloat y,
 110                                jfloat touch_major);
 111   void UpdateLastHitTestData(JNIEnv* env, jobject obj);
 112   void OnSizeChanged(JNIEnv* env, jobject obj, int w, int h, int ow, int oh);
 113   void SetViewVisibility(JNIEnv* env, jobject obj, bool visible);
 114   void SetWindowVisibility(JNIEnv* env, jobject obj, bool visible);
 115   void SetIsPaused(JNIEnv* env, jobject obj, bool paused);
 116   void OnAttachedToWindow(JNIEnv* env, jobject obj, int w, int h);
 117   void OnDetachedFromWindow(JNIEnv* env, jobject obj);
 118   base::android::ScopedJavaLocalRef<jbyteArray> GetOpaqueState(
 119       JNIEnv* env, jobject obj);
 120   jboolean RestoreFromOpaqueState(JNIEnv* env, jobject obj, jbyteArray state);
 121   void FocusFirstNode(JNIEnv* env, jobject obj);
 122   void SetBackgroundColor(JNIEnv* env, jobject obj, jint color);
 123   void OnComputeScroll(JNIEnv* env, jobject obj, jlong animation_time_millis);
 124   bool OnDraw(JNIEnv* env,
 125               jobject obj,
 126               jobject canvas,
 127               jboolean is_hardware_accelerated,
 128               jint scroll_x,
 129               jint scroll_y,
 130               jint visible_left,
 131               jint visible_top,
 132               jint visible_right,
 133               jint visible_bottom);
 134   jlong GetAwDrawGLViewContext(JNIEnv* env, jobject obj);
 135   jlong CapturePicture(JNIEnv* env, jobject obj, int width, int height);
 136   void EnableOnNewPicture(JNIEnv* env, jobject obj, jboolean enabled);
 137   void InsertVisualStateCallback(JNIEnv* env,
 138                         jobject obj,
 139                         long request_id,
 140                         jobject callback);
 141   void ClearView(JNIEnv* env, jobject obj);
 142   void SetExtraHeadersForUrl(JNIEnv* env, jobject obj,
 143                              jstring url, jstring extra_headers);
 144
 145   void InvokeGeolocationCallback(JNIEnv* env,
 146                                  jobject obj,
 147                                  jboolean value,
 148                                  jstring origin);
 149
 150   // PermissionRequestHandlerClient implementation.
 151   void OnPermissionRequest(base::android::ScopedJavaLocalRef<jobject> j_request,
 152                            AwPermissionRequest* request) override;
 153   void OnPermissionRequestCanceled(AwPermissionRequest* request) override;
 154
 155   PermissionRequestHandler* GetPermissionRequestHandler() {
 156     return permission_request_handler_.get();
 157   }
 158
 159   void PreauthorizePermission(JNIEnv* env,
 160                               jobject obj,
 161                               jstring origin,
 162                               jlong resources);
 163
 164   // AwBrowserPermissionRequestDelegate implementation.
 165   void RequestProtectedMediaIdentifierPermission(
 166       const GURL& origin,
 167       const base::Callback<void(bool)>& callback) override;
 168   void CancelProtectedMediaIdentifierPermissionRequests(
 169       const GURL& origin) override;
 170   void RequestGeolocationPermission(
 171       const GURL& origin,
 172       const base::Callback<void(bool)>& callback) override;
 173   void CancelGeolocationPermissionRequests(const GURL& origin) override;
 174   void RequestMIDISysexPermission(
 175       const GURL& origin,
 176       const base::Callback<void(bool)>& callback) override;
 177   void CancelMIDISysexPermissionRequests(const GURL& origin) override;
 178
 179   // Find-in-page API and related methods.
 180   void FindAllAsync(JNIEnv* env, jobject obj, jstring search_string);
 181   void FindNext(JNIEnv* env, jobject obj, jboolean forward);
 182   void ClearMatches(JNIEnv* env, jobject obj);
 183   FindHelper* GetFindHelper();
 184
 185   // Per WebView Cookie Policy
 186   bool AllowThirdPartyCookies();
 187
 188   // FindHelper::Listener implementation.
 189   void OnFindResultReceived(int active_ordinal,
 190                             int match_count,
 191                             bool finished) override;
 192   // IconHelper::Listener implementation.
 193   bool ShouldDownloadFavicon(const GURL& icon_url) override;
 194   void OnReceivedIcon(const GURL& icon_url, const SkBitmap& bitmap) override;
 195   void OnReceivedTouchIconUrl(const std::string& url,
 196                               const bool precomposed) override;
 197
 198   // AwRenderViewHostExtClient implementation.
 199   void OnWebLayoutPageScaleFactorChanged(float page_scale_factor) override;
 200   void OnWebLayoutContentsSizeChanged(const gfx::Size& contents_size) override;
 201
 202   // BrowserViewRendererClient implementation.
 203   bool RequestDrawGL(bool wait_for_completion) override;
 204   void PostInvalidate() override;
 205   void DetachFunctorFromView() override;
 206   void OnNewPicture() override;
 207   gfx::Point GetLocationOnScreen() override;
 208   void ScrollContainerViewTo(gfx::Vector2d new_value) override;
 209   bool IsSmoothScrollingActive() const override;
 210   void UpdateScrollState(gfx::Vector2d max_scroll_offset,
 211                          gfx::SizeF contents_size_dip,
 212                          float page_scale_factor,
 213                          float min_page_scale_factor,
 214                          float max_page_scale_factor) override;
 215   void DidOverscroll(gfx::Vector2d overscroll_delta,
 216                      gfx::Vector2dF overscroll_velocity) override;
 217
 218   void ParentDrawConstraintsUpdated(
 219       const ParentCompositorDrawConstraints& draw_constraints) override {}
 220
 221   void ClearCache(JNIEnv* env, jobject obj, jboolean include_disk_files);
 222   void SetPendingWebContentsForPopup(scoped_ptr<content::WebContents> pending);
 223   jlong ReleasePopupAwContents(JNIEnv* env, jobject obj);
 224
 225   void ScrollTo(JNIEnv* env, jobject obj, jint x, jint y);
 226   void SetDipScale(JNIEnv* env, jobject obj, jfloat dip_scale);
 227   void SetSaveFormData(bool enabled);
 228
 229   // Sets the java client
 230   void SetAwAutofillClient(jobject client);
 231
 232   void SetJsOnlineProperty(JNIEnv* env, jobject obj, jboolean network_up);
 233   void TrimMemory(JNIEnv* env, jobject obj, jint level, jboolean visible);
 234
 235   scoped_refptr<AwMessagePortMessageFilter> GetMessagePortMessageFilter();
 236   void PostMessageToFrame(JNIEnv* env, jobject obj, jstring frame_id,
 237       jstring message, jstring target_origin, jintArray sent_ports);
 238   void CreateMessageChannel(JNIEnv* env, jobject obj, jobjectArray ports);
 239
 240   void GrantFileSchemeAccesstoChildProcess(JNIEnv* env, jobject obj);
 241
 242  private:
 243   void InitDataReductionProxyIfNecessary();
 244   void InitAutofillIfNecessary(bool enabled);
 245
 246   // Geolocation API support
 247   void ShowGeolocationPrompt(const GURL& origin, base::Callback<void(bool)>);
 248   void HideGeolocationPrompt(const GURL& origin);
 249
 250   void SetDipScaleInternal(float dip_scale);
 251
 252   JavaObjectWeakGlobalRef java_ref_;
 253   scoped_ptr<AwWebContentsDelegate> web_contents_delegate_;
 254   scoped_ptr<AwContentsClientBridge> contents_client_bridge_;
 255   scoped_ptr<content::WebContents> web_contents_;
 256   scoped_ptr<AwRenderViewHostExt> render_view_host_ext_;
 257   scoped_ptr<FindHelper> find_helper_;
 258   scoped_ptr<IconHelper> icon_helper_;
 259   scoped_ptr<AwContents> pending_contents_;
 260   BrowserViewRenderer browser_view_renderer_;
 261   scoped_ptr<AwPdfExporter> pdf_exporter_;
 262   scoped_ptr<PermissionRequestHandler> permission_request_handler_;
 263   scoped_refptr<AwMessagePortMessageFilter> message_port_message_filter_;
 264
 265   // GURL is supplied by the content layer as requesting frame.
 266   // Callback is supplied by the content layer, and is invoked with the result
 267   // from the permission prompt.
 268   typedef std::pair<const GURL, base::Callback<void(bool)> > OriginCallback;
 269   // The first element in the list is always the currently pending request.
 270   std::list<OriginCallback> pending_geolocation_prompts_;
 271
 272   GLViewRendererManager::Key renderer_manager_key_;
 273
 274   DISALLOW_COPY_AND_ASSIGN(AwContents);
 275 };
 276
 277 bool RegisterAwContents(JNIEnv* env);
 278
 279 }  // namespace android_webview
 280
 281 #endif  // ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_