Implement renderer importance API for WebView

android_webview/native/aw_contents.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 
 #include <jni.h>
 
 #include <list>
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "android_webview/browser/aw_browser_permission_request_delegate.h"
 #include "android_webview/browser/aw_render_process_gone_delegate.h"
 #include "android_webview/browser/aw_safe_browsing_ui_manager.h"
 #include "android_webview/browser/browser_view_renderer.h"
 #include "android_webview/browser/browser_view_renderer_client.h"
 #include "android_webview/browser/find_helper.h"
 #include "android_webview/browser/gl_view_renderer_manager.h"
 #include "android_webview/browser/icon_helper.h"
 #include "android_webview/browser/render_thread_manager.h"
 #include "android_webview/browser/render_thread_manager_client.h"
 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
+#include "android_webview/native/aw_renderer_priority_manager.h"
 #include "android_webview/native/permission/permission_request_handler_client.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/callback_forward.h"
 #include "base/macros.h"
+#include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 
 class SkBitmap;
 class TabContents;
 
 namespace content {
 class WebContents;
 }
 
 namespace android_webview {
@@ skipping 19 matching lines @@
 // its entire lifetime - see Init() and SetPendingWebContentsForPopup() for the
 // construction points, and SetJavaPeers() where these paths join.
 class AwContents : public FindHelper::Listener,
                    public IconHelper::Listener,
                    public AwRenderViewHostExtClient,
                    public BrowserViewRendererClient,
                    public PermissionRequestHandlerClient,
                    public AwBrowserPermissionRequestDelegate,
                    public AwRenderProcessGoneDelegate,
                    public content::WebContentsObserver,
+                   public content::RenderProcessHostObserver,
                    public AwSafeBrowsingUIManager::UIManagerClient {
  public:
   // Returns the AwContents instance associated with |web_contents|, or NULL.
   static AwContents* FromWebContents(content::WebContents* web_contents);
 
   // Returns the AwContents instance associated with with the given
   // render_process_id and render_view_id, or NULL.
   static AwContents* FromID(int render_process_id, int render_view_id);
 
   static std::string GetLocale();
@@ skipping 126 matching lines @@
       const base::android::JavaParamRef<jobject>& obj,
       const base::android::JavaParamRef<jstring>& url,
       const base::android::JavaParamRef<jstring>& extra_headers);
 
   void InvokeGeolocationCallback(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       jboolean value,
       const base::android::JavaParamRef<jstring>& origin);
 
+  AwRendererPriorityManager::RendererPriority GetCurrentRendererPriority();
+  jint GetRendererCurrentPriority(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj);
+  jint GetRendererRequestedPriority(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj);
+  jboolean GetRendererPriorityWaivedWhenNotVisible(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj);
+  void SetRendererPriorityPolicy(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj,
+      jint rendererRequestedPriority,
+      jboolean waivedhenNotVisible);
+
   // PermissionRequestHandlerClient implementation.
   void OnPermissionRequest(base::android::ScopedJavaLocalRef<jobject> j_request,
                            AwPermissionRequest* request) override;
   void OnPermissionRequestCanceled(AwPermissionRequest* request) override;
 
   PermissionRequestHandler* GetPermissionRequestHandler() {
     return permission_request_handler_.get();
   }
 
   void PreauthorizePermission(
@@ skipping 110 matching lines @@
   void ResumeLoadingCreatedPopupWebContents(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);
 
   // content::WebContentsObserver overrides
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host) override;
   void DidAttachInterstitialPage() override;
   void DidDetachInterstitialPage() override;
 
+  // content::RenderProcessHostObserver overrides
+  void RenderProcessReady(content::RenderProcessHost* host) override;
+
   // AwSafeBrowsingUIManager::UIManagerClient implementation
   bool CanShowInterstitial() override;
 
   // AwRenderProcessGoneDelegate overrides
   void OnRenderProcessGone(int child_process_id) override;
   bool OnRenderProcessGoneDetail(int child_process_id, bool crashed) override;
 
  private:
   void InitAutofillIfNecessary(bool enabled);
 
   // Geolocation API support
   void ShowGeolocationPrompt(const GURL& origin, base::Callback<void(bool)>);
   void HideGeolocationPrompt(const GURL& origin);
 
   void SetDipScaleInternal(float dip_scale);
 
   void SetAwGLFunctor(AwGLFunctor* functor);
 
+  AwRendererPriorityManager* GetAwRendererPriorityManager();
+  AwRendererPriorityManager::RendererPriority GetComputedRendererPriority();
+  void UpdateRendererPriority(
+      AwRendererPriorityManager::RendererPriority base_priority);
+  void UpdateRendererPriority();
+
   JavaObjectWeakGlobalRef java_ref_;
   AwGLFunctor* functor_;
   BrowserViewRenderer browser_view_renderer_;  // Must outlive |web_contents_|.
   std::unique_ptr<content::WebContents> web_contents_;
   std::unique_ptr<AwWebContentsDelegate> web_contents_delegate_;
   std::unique_ptr<AwContentsClientBridge> contents_client_bridge_;
   std::unique_ptr<AwRenderViewHostExt> render_view_host_ext_;
   std::unique_ptr<FindHelper> find_helper_;
   std::unique_ptr<IconHelper> icon_helper_;
   std::unique_ptr<AwContents> pending_contents_;
   std::unique_ptr<AwPdfExporter> pdf_exporter_;
   std::unique_ptr<PermissionRequestHandler> permission_request_handler_;
 
   // GURL is supplied by the content layer as requesting frame.
   // Callback is supplied by the content layer, and is invoked with the result
   // from the permission prompt.
-  typedef std::pair<const GURL, base::Callback<void(bool)> > OriginCallback;
+  typedef std::pair<const GURL, base::Callback<void(bool)>> OriginCallback;
   // The first element in the list is always the currently pending request.
   std::list<OriginCallback> pending_geolocation_prompts_;
 
   GLViewRendererManager::Key renderer_manager_key_;
 
+  AwRendererPriorityManager::RendererPriority renderer_requested_priority_;
+  bool renderer_priority_waived_when_not_visible_;
+
   DISALLOW_COPY_AND_ASSIGN(AwContents);
 };
 
 bool RegisterAwContents(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_