chrome/browser/android/tab_android.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 CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
   6 #define CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/jni_weak_ref.h"
  11 #include "base/callback_forward.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/strings/string16.h"
  14 #include "chrome/browser/favicon/favicon_tab_helper_observer.h"
  15 #include "chrome/browser/search/instant_service_observer.h"
  16 #include "chrome/browser/sync/glue/synced_tab_delegate_android.h"
  17 #include "chrome/browser/ui/search/search_tab_helper_delegate.h"
  18 #include "chrome/browser/ui/tab_contents/core_tab_helper_delegate.h"
  19 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  20 #include "components/sessions/session_id.h"
  21 #include "content/public/browser/notification_observer.h"
  22 #include "content/public/browser/notification_registrar.h"
  23
  24 class GURL;
  25 class Profile;
  26 class SkBitmap;
  27
  28 namespace cc {
  29 class Layer;
  30 }
  31
  32 namespace chrome {
  33 struct NavigateParams;
  34 }
  35
  36 namespace chrome {
  37 namespace android {
  38 class ChromeWebContentsDelegateAndroid;
  39 class TabContentManager;
  40 }
  41 }
  42
  43 namespace content {
  44 class ContentViewCore;
  45 class WebContents;
  46 }
  47
  48 namespace prerender {
  49 class PrerenderManager;
  50 }
  51
  52 class TabAndroid : public CoreTabHelperDelegate,
  53                    public InstantServiceObserver,
  54                    public SearchTabHelperDelegate,
  55                    public content::NotificationObserver,
  56                    public FaviconTabHelperObserver {
  57  public:
  58   // A Java counterpart will be generated for this enum.
  59   // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser
  60   enum TabLoadStatus {
  61     PAGE_LOAD_FAILED = 0,
  62     DEFAULT_PAGE_LOAD = 1,
  63     PARTIAL_PRERENDERED_PAGE_LOAD = 2,
  64     FULL_PRERENDERED_PAGE_LOAD = 3,
  65   };
  66
  67   // Convenience method to retrieve the Tab associated with the passed
  68   // WebContents.  Can return NULL.
  69   static TabAndroid* FromWebContents(content::WebContents* web_contents);
  70
  71   // Returns the native TabAndroid stored in the Java Tab represented by
  72   // |obj|.
  73   static TabAndroid* GetNativeTab(JNIEnv* env, jobject obj);
  74
  75   // Function to attach helpers to the contentView.
  76   static void AttachTabHelpers(content::WebContents* web_contents);
  77
  78   TabAndroid(JNIEnv* env, jobject obj);
  79   ~TabAndroid() override;
  80
  81   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
  82
  83   // Return the WebContents, if any, currently owned by this TabAndroid.
  84   content::WebContents* web_contents() const { return web_contents_.get(); }
  85
  86   // Return the cc::Layer that represents the content for this TabAndroid.
  87   scoped_refptr<cc::Layer> GetContentLayer() const;
  88
  89   // Return specific id information regarding this TabAndroid.
  90   const SessionID& session_id() const { return session_tab_id_; }
  91   int GetAndroidId() const;
  92   int GetSyncId() const;
  93
  94   // Return the tab title.
  95   base::string16 GetTitle() const;
  96
  97   // Return the tab url.
  98   GURL GetURL() const;
  99
 100   // Load the tab if it was unloaded from memory.
 101   bool LoadIfNeeded();
 102
 103   // Helper methods to make it easier to access objects from the associated
 104   // WebContents.  Can return NULL.
 105   content::ContentViewCore* GetContentViewCore() const;
 106   Profile* GetProfile() const;
 107   browser_sync::SyncedTabDelegate* GetSyncedTabDelegate() const;
 108
 109   void SetWindowSessionID(SessionID::id_type window_id);
 110   void SetSyncId(int sync_id);
 111
 112   virtual void HandlePopupNavigation(chrome::NavigateParams* params);
 113
 114   bool HasPrerenderedUrl(GURL gurl);
 115
 116   void MakeLoadURLParams(
 117       chrome::NavigateParams* params,
 118       content::NavigationController::LoadURLParams* load_url_params);
 119
 120   // CoreTabHelperDelegate ----------------------------------------------------
 121
 122   void SwapTabContents(content::WebContents* old_contents,
 123                        content::WebContents* new_contents,
 124                        bool did_start_load,
 125                        bool did_finish_load) override;
 126
 127   // Overridden from InstantServiceObserver:
 128   void DefaultSearchProviderChanged(
 129       bool google_base_url_domain_changed) override;
 130
 131   // Overridden from SearchTabHelperDelegate:
 132   void OnWebContentsInstantSupportDisabled(
 133       const content::WebContents* web_contents) override;
 134
 135   // NotificationObserver -----------------------------------------------------
 136   void Observe(int type,
 137                const content::NotificationSource& source,
 138                const content::NotificationDetails& details) override;
 139
 140   // FaviconTabHelperObserver -----------------------------------------------
 141   void OnFaviconAvailable(const gfx::Image& image) override;
 142
 143   // Methods called from Java via JNI -----------------------------------------
 144
 145   virtual void Destroy(JNIEnv* env, jobject obj);
 146   virtual void InitWebContents(JNIEnv* env,
 147                                jobject obj,
 148                                jboolean incognito,
 149                                jobject jcontent_view_core,
 150                                jobject jweb_contents_delegate,
 151                                jobject jcontext_menu_populator);
 152   virtual void DestroyWebContents(JNIEnv* env,
 153                                   jobject obj,
 154                                   jboolean delete_native);
 155   base::android::ScopedJavaLocalRef<jobject> GetProfileAndroid(JNIEnv* env,
 156                                                                jobject obj);
 157   virtual TabLoadStatus LoadUrl(JNIEnv* env,
 158                                 jobject obj,
 159                                 jstring url,
 160                                 jstring j_extra_headers,
 161                                 jbyteArray j_post_data,
 162                                 jint page_transition,
 163                                 jstring j_referrer_url,
 164                                 jint referrer_policy,
 165                                 jboolean is_renderer_initiated,
 166                                 jlong intent_received_timestamp);
 167   void SetActiveNavigationEntryTitleForUrl(JNIEnv* env,
 168                                            jobject obj,
 169                                            jstring jurl,
 170                                            jstring jtitle);
 171   bool Print(JNIEnv* env, jobject obj);
 172
 173   // Sets the tab as content to be printed through JNI.
 174   void SetPendingPrint();
 175
 176   // Called to get default favicon of current tab, return null if no
 177   // favicon is avaliable for current tab.
 178   base::android::ScopedJavaLocalRef<jobject> GetFavicon(JNIEnv* env,
 179                                                         jobject obj);
 180
 181   void CreateHistoricalTab(JNIEnv* env, jobject obj);
 182
 183   static void CreateHistoricalTabFromContents(
 184       content::WebContents* web_contents);
 185
 186   void UpdateTopControlsState(JNIEnv* env,
 187                               jobject obj,
 188                               jint constraints,
 189                               jint current,
 190                               jboolean animate);
 191
 192   void SearchByImageInNewTabAsync(JNIEnv* env, jobject obj);
 193
 194   jlong GetBookmarkId(JNIEnv* env, jobject obj, jboolean only_editable);
 195
 196   void SetInterceptNavigationDelegate(JNIEnv* env,
 197                                       jobject obj,
 198                                       jobject delegate);
 199
 200   // TODO(dtrainor): Remove this, pull content_layer() on demand.
 201   void AttachToTabContentManager(JNIEnv* env,
 202                                  jobject obj,
 203                                  jobject jtab_content_manager);
 204
 205   void AttachOverlayContentViewCore(JNIEnv* env,
 206                                     jobject obj,
 207                                     jobject jcontent_view_core,
 208                                     jboolean visible);
 209
 210   void DetachOverlayContentViewCore(JNIEnv* env,
 211                                     jobject obj,
 212                                     jobject jcontent_view_core);
 213
 214   // Register the Tab's native methods through JNI.
 215   static bool RegisterTabAndroid(JNIEnv* env);
 216
 217  private:
 218   prerender::PrerenderManager* GetPrerenderManager() const;
 219
 220   JavaObjectWeakGlobalRef weak_java_tab_;
 221
 222   // The identifier used by session restore for this tab.
 223   SessionID session_tab_id_;
 224
 225   // Identifier of the window the tab is in.
 226   SessionID session_window_id_;
 227
 228   content::NotificationRegistrar notification_registrar_;
 229
 230   scoped_refptr<cc::Layer> content_layer_;
 231   chrome::android::TabContentManager* tab_content_manager_;
 232
 233   scoped_ptr<content::WebContents> web_contents_;
 234   scoped_ptr<chrome::android::ChromeWebContentsDelegateAndroid>
 235       web_contents_delegate_;
 236
 237   scoped_ptr<browser_sync::SyncedTabDelegateAndroid> synced_tab_delegate_;
 238
 239   DISALLOW_COPY_AND_ASSIGN(TabAndroid);
 240 };
 241
 242 #endif  // CHROME_BROWSER_ANDROID_TAB_ANDROID_H_