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/browser_view_renderer.h"
  14 #include "android_webview/browser/find_helper.h"
  15 #include "android_webview/browser/icon_helper.h"
  16 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
  17 #include "base/android/scoped_java_ref.h"
  18 #include "base/android/jni_helper.h"
  19 #include "base/callback_forward.h"
  20 #include "base/memory/scoped_ptr.h"
  21
  22 class SkBitmap;
  23 class TabContents;
  24
  25 namespace content {
  26 class WebContents;
  27 }
  28
  29 namespace android_webview {
  30
  31 class AwContentsContainer;
  32 class AwContentsClientBridge;
  33 class AwWebContentsDelegate;
  34
  35 // Native side of java-class of same name.
  36 // Provides the ownership of and access to browser components required for
  37 // WebView functionality; analogous to chrome's TabContents, but with a
  38 // level of indirection provided by the AwContentsContainer abstraction.
  39 //
  40 // Object lifetime:
  41 // For most purposes the java and native objects can be considered to have
  42 // 1:1 lifetime and relationship. The exception is the java instance that
  43 // hosts a popup will be rebound to a second native instance (carrying the
  44 // popup content) and discard the 'default' native instance it made on
  45 // construction. A native instance is only bound to at most one Java peer over
  46 // its entire lifetime - see Init() and SetPendingWebContentsForPopup() for the
  47 // construction points, and SetJavaPeers() where these paths join.
  48 class AwContents : public FindHelper::Listener,
  49                    public IconHelper::Listener,
  50                    public AwRenderViewHostExtClient,
  51                    public BrowserViewRenderer::Client {
  52  public:
  53   // Returns the AwContents instance associated with |web_contents|, or NULL.
  54   static AwContents* FromWebContents(content::WebContents* web_contents);
  55
  56   // Returns the AwContents instance associated with with the given
  57   // render_process_id and render_view_id, or NULL.
  58   static AwContents* FromID(int render_process_id, int render_view_id);
  59
  60   AwContents(scoped_ptr<content::WebContents> web_contents);
  61   virtual ~AwContents();
  62
  63   AwRenderViewHostExt* render_view_host_ext() {
  64     return render_view_host_ext_.get();
  65   }
  66
  67   void PerformLongClick();
  68
  69   // |handler| is an instance of
  70   // org.chromium.android_webview.AwHttpAuthHandler.
  71   bool OnReceivedHttpAuthRequest(const base::android::JavaRef<jobject>& handler,
  72                                  const std::string& host,
  73                                  const std::string& realm);
  74
  75   // Methods called from Java.
  76   void SetJavaPeers(JNIEnv* env,
  77                     jobject obj,
  78                     jobject aw_contents,
  79                     jobject web_contents_delegate,
  80                     jobject contents_client_bridge,
  81                     jobject io_thread_client,
  82                     jobject intercept_navigation_delegate);
  83   jint GetWebContents(JNIEnv* env, jobject obj);
  84   jint GetAwContentsClientBridge(JNIEnv* env, jobject obj);
  85
  86   void Destroy(JNIEnv* env, jobject obj);
  87   void DocumentHasImages(JNIEnv* env, jobject obj, jobject message);
  88   void GenerateMHTML(JNIEnv* env, jobject obj, jstring jpath, jobject callback);
  89   void AddVisitedLinks(JNIEnv* env, jobject obj, jobjectArray jvisited_links);
  90   base::android::ScopedJavaLocalRef<jbyteArray> GetCertificate(
  91       JNIEnv* env, jobject obj);
  92   void RequestNewHitTestDataAt(JNIEnv* env, jobject obj, jint x, jint y);
  93   void UpdateLastHitTestData(JNIEnv* env, jobject obj);
  94   void OnSizeChanged(JNIEnv* env, jobject obj, int w, int h, int ow, int oh);
  95   void SetVisibility(JNIEnv* env, jobject obj, bool visible);
  96   void OnAttachedToWindow(JNIEnv* env, jobject obj, int w, int h);
  97   void OnDetachedFromWindow(JNIEnv* env, jobject obj);
  98   base::android::ScopedJavaLocalRef<jbyteArray> GetOpaqueState(
  99       JNIEnv* env, jobject obj);
 100   jboolean RestoreFromOpaqueState(JNIEnv* env, jobject obj, jbyteArray state);
 101   void FocusFirstNode(JNIEnv* env, jobject obj);
 102   void SetBackgroundColor(JNIEnv* env, jobject obj, jint color);
 103   bool OnDraw(JNIEnv* env,
 104               jobject obj,
 105               jobject canvas,
 106               jboolean is_hardware_accelerated,
 107               jint scroll_x,
 108               jint scroll_y,
 109               jint clip_left,
 110               jint clip_top,
 111               jint clip_right,
 112               jint clip_bottom);
 113   void SetGlobalVisibleRect(JNIEnv* env,
 114                             jobject obj,
 115                             jint visible_left,
 116                             jint visible_top,
 117                             jint visible_right,
 118                             jint visible_bottom);
 119   jint GetAwDrawGLViewContext(JNIEnv* env, jobject obj);
 120   base::android::ScopedJavaLocalRef<jobject> CapturePicture(JNIEnv* env,
 121                                                             jobject obj,
 122                                                             int width,
 123                                                             int height);
 124   void EnableOnNewPicture(JNIEnv* env, jobject obj, jboolean enabled);
 125
 126   // Geolocation API support
 127   void ShowGeolocationPrompt(const GURL& origin, base::Callback<void(bool)>);
 128   void HideGeolocationPrompt(const GURL& origin);
 129   void InvokeGeolocationCallback(JNIEnv* env,
 130                                  jobject obj,
 131                                  jboolean value,
 132                                  jstring origin);
 133
 134   // Find-in-page API and related methods.
 135   void FindAllAsync(JNIEnv* env, jobject obj, jstring search_string);
 136   void FindNext(JNIEnv* env, jobject obj, jboolean forward);
 137   void ClearMatches(JNIEnv* env, jobject obj);
 138   FindHelper* GetFindHelper();
 139
 140   // FindHelper::Listener implementation.
 141   virtual void OnFindResultReceived(int active_ordinal,
 142                                     int match_count,
 143                                     bool finished) OVERRIDE;
 144   // IconHelper::Listener implementation.
 145   virtual void OnReceivedIcon(const GURL& icon_url,
 146                               const SkBitmap& bitmap) OVERRIDE;
 147   virtual void OnReceivedTouchIconUrl(const std::string& url,
 148                                       const bool precomposed) OVERRIDE;
 149
 150   // AwRenderViewHostExtClient implementation.
 151   virtual void OnWebLayoutPageScaleFactorChanged(
 152       float page_scale_factor) OVERRIDE;
 153
 154   // BrowserViewRenderer::Client implementation.
 155   virtual bool RequestDrawGL(jobject canvas) OVERRIDE;
 156   virtual void PostInvalidate() OVERRIDE;
 157   virtual void UpdateGlobalVisibleRect() OVERRIDE;
 158   virtual void OnNewPicture() OVERRIDE;
 159   virtual gfx::Point GetLocationOnScreen() OVERRIDE;
 160   virtual void ScrollContainerViewTo(gfx::Vector2d new_value) OVERRIDE;
 161   virtual void DidOverscroll(gfx::Vector2d overscroll_delta) OVERRIDE;
 162
 163   void ClearCache(JNIEnv* env, jobject obj, jboolean include_disk_files);
 164   void SetPendingWebContentsForPopup(scoped_ptr<content::WebContents> pending);
 165   jint ReleasePopupAwContents(JNIEnv* env, jobject obj);
 166
 167   void ScrollTo(JNIEnv* env, jobject obj, jint xPix, jint yPix);
 168   void SetDipScale(JNIEnv* env, jobject obj, jfloat dipScale);
 169   void SetDisplayedPageScaleFactor(JNIEnv* env,
 170                                    jobject obj,
 171                                    jfloat pageScaleFactor);
 172
 173   void SetSaveFormData(bool enabled);
 174
 175   // Sets the java delegate
 176   void SetAwAutofillManagerDelegate(jobject delegate);
 177  private:
 178   void InitAutofillIfNecessary(bool enabled);
 179
 180   JavaObjectWeakGlobalRef java_ref_;
 181   scoped_ptr<content::WebContents> web_contents_;
 182   scoped_ptr<AwWebContentsDelegate> web_contents_delegate_;
 183   scoped_ptr<AwContentsClientBridge> contents_client_bridge_;
 184   scoped_ptr<AwRenderViewHostExt> render_view_host_ext_;
 185   scoped_ptr<FindHelper> find_helper_;
 186   scoped_ptr<IconHelper> icon_helper_;
 187   scoped_ptr<AwContents> pending_contents_;
 188   scoped_ptr<BrowserViewRenderer> browser_view_renderer_;
 189
 190   // GURL is supplied by the content layer as requesting frame.
 191   // Callback is supplied by the content layer, and is invoked with the result
 192   // from the permission prompt.
 193   typedef std::pair<const GURL, base::Callback<void(bool)> > OriginCallback;
 194   // The first element in the list is always the currently pending request.
 195   std::list<OriginCallback> pending_geolocation_prompts_;
 196
 197   DISALLOW_COPY_AND_ASSIGN(AwContents);
 198 };
 199
 200 bool RegisterAwContents(JNIEnv* env);
 201
 202 }  // namespace android_webview
 203
 204 #endif  // ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_